diff options
Diffstat (limited to 'src/lib/tcp')
28 files changed, 7541 insertions, 0 deletions
diff --git a/src/lib/tcp/Makefile.am b/src/lib/tcp/Makefile.am new file mode 100644 index 0000000..be1c209 --- /dev/null +++ b/src/lib/tcp/Makefile.am @@ -0,0 +1,80 @@ +SUBDIRS = . tests + +AM_CPPFLAGS = -I$(top_builddir)/src/lib -I$(top_srcdir)/src/lib +AM_CPPFLAGS += $(BOOST_INCLUDES) $(CRYPTO_CFLAGS) $(CRYPTO_INCLUDES) +AM_CXXFLAGS = $(KEA_CXXFLAGS) + +EXTRA_DIST = libkea_tcp.dox + +# Ensure that the message file is included in the distribution +EXTRA_DIST += tcp_messages.mes + +CLEANFILES = *.gcno *.gcda + +lib_LTLIBRARIES = libkea-tcp.la + +libkea_tcp_la_SOURCES = tcp_connection.cc tcp_connection.h +libkea_tcp_la_SOURCES += tcp_connection_pool.cc tcp_connection_pool.h +libkea_tcp_la_SOURCES += tcp_listener.cc tcp_listener.h +libkea_tcp_la_SOURCES += mt_tcp_listener_mgr.cc mt_tcp_listener_mgr.h +libkea_tcp_la_SOURCES += tcp_log.cc tcp_log.h +libkea_tcp_la_SOURCES += tcp_messages.cc tcp_messages.h +libkea_tcp_la_SOURCES += tcp_stream_msg.cc tcp_stream_msg.h + +libkea_tcp_la_CXXFLAGS = $(AM_CXXFLAGS) +libkea_tcp_la_CPPFLAGS = $(AM_CPPFLAGS) +libkea_tcp_la_LDFLAGS = $(AM_LDFLAGS) +libkea_tcp_la_LDFLAGS += -no-undefined -version-info 5:0:0 + +libkea_tcp_la_LIBADD = $(top_builddir)/src/lib/hooks/libkea-hooks.la +libkea_tcp_la_LIBADD += $(top_builddir)/src/lib/cc/libkea-cc.la +libkea_tcp_la_LIBADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la +libkea_tcp_la_LIBADD += $(top_builddir)/src/lib/log/libkea-log.la +libkea_tcp_la_LIBADD += $(top_builddir)/src/lib/util/libkea-util.la +libkea_tcp_la_LIBADD += $(top_builddir)/src/lib/exceptions/libkea-exceptions.la +libkea_tcp_la_LIBADD += $(LOG4CPLUS_LIBS) $(BOOST_LIBS) $(CRYPTO_LIBS) + +# If we want to get rid of all generated messages files, we need to use +# make maintainer-clean. The proper way to introduce custom commands for +# that operation is to define maintainer-clean-local target. However, +# make maintainer-clean also removes Makefile, so running configure script +# is required. To make it easy to rebuild messages without going through +# reconfigure, a new target messages-clean has been added. +maintainer-clean-local: + rm -f tcp_messages.h tcp_messages.cc + +# To regenerate messages files, one can do: +# +# make messages-clean +# make messages +# +# This is needed only when a .mes file is modified. +messages-clean: maintainer-clean-local + +if GENERATE_MESSAGES + +# Define rule to build logging source files from message file +messages: tcp_messages.h tcp_messages.cc + @echo Message files regenerated + +tcp_messages.h tcp_messages.cc: tcp_messages.mes + $(top_builddir)/src/lib/log/compiler/kea-msg-compiler $(top_srcdir)/src/lib/tcp/tcp_messages.mes + +else + +messages tcp_messages.h tcp_messages.cc: + @echo Messages generation disabled. Configure with --enable-generate-messages to enable it. + +endif + +# Specify the headers for copying into the installation directory tree. +libkea_tcp_includedir = $(pkgincludedir)/tcp +libkea_tcp_include_HEADERS = \ + mt_tcp_listener_mgr.h \ + tcp_connection_acceptor.h \ + tcp_connection.h \ + tcp_connection_pool.h \ + tcp_listener.h \ + tcp_log.h \ + tcp_messages.h \ + tcp_stream_msg.h diff --git a/src/lib/tcp/Makefile.in b/src/lib/tcp/Makefile.in new file mode 100644 index 0000000..f268519 --- /dev/null +++ b/src/lib/tcp/Makefile.in @@ -0,0 +1,1076 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; continue; }; \ + case $$flg in \ + *=*|--*) continue;; \ + -*I) strip_trailopt 'I'; skip_next=yes;; \ + -*I?*) strip_trailopt 'I';; \ + -*O) strip_trailopt 'O'; skip_next=yes;; \ + -*O?*) strip_trailopt 'O';; \ + -*l) strip_trailopt 'l'; skip_next=yes;; \ + -*l?*) strip_trailopt 'l';; \ + -[dEDm]) skip_next=yes;; \ + -[JT]) skip_next=yes;; \ + esac; \ + case $$flg in \ + *$$target_option*) has_opt=yes; break;; \ + esac; \ + done; \ + test $$has_opt = yes +am__make_dryrun = (target_option=n; $(am__make_running_with_option)) +am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = src/lib/tcp +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4macros/ax_boost_for_kea.m4 \ + $(top_srcdir)/m4macros/ax_cpp11.m4 \ + $(top_srcdir)/m4macros/ax_cpp20.m4 \ + $(top_srcdir)/m4macros/ax_crypto.m4 \ + $(top_srcdir)/m4macros/ax_find_library.m4 \ + $(top_srcdir)/m4macros/ax_gssapi.m4 \ + $(top_srcdir)/m4macros/ax_gtest.m4 \ + $(top_srcdir)/m4macros/ax_isc_rpath.m4 \ + $(top_srcdir)/m4macros/ax_netconf.m4 \ + $(top_srcdir)/m4macros/libtool.m4 \ + $(top_srcdir)/m4macros/ltoptions.m4 \ + $(top_srcdir)/m4macros/ltsugar.m4 \ + $(top_srcdir)/m4macros/ltversion.m4 \ + $(top_srcdir)/m4macros/lt~obsolete.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +DIST_COMMON = $(srcdir)/Makefile.am $(libkea_tcp_include_HEADERS) \ + $(am__DIST_COMMON) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`; +am__install_max = 40 +am__nobase_strip_setup = \ + srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'` +am__nobase_strip = \ + for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||" +am__nobase_list = $(am__nobase_strip_setup); \ + for p in $$list; do echo "$$p $$p"; done | \ + sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \ + $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \ + if (++n[$$2] == $(am__install_max)) \ + { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \ + END { for (dir in files) print dir, files[dir] }' +am__base_list = \ + sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \ + sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g' +am__uninstall_files_from_dir = { \ + test -z "$$files" \ + || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \ + || { echo " ( cd '$$dir' && rm -f" $$files ")"; \ + $(am__cd) "$$dir" && rm -f $$files; }; \ + } +am__installdirs = "$(DESTDIR)$(libdir)" \ + "$(DESTDIR)$(libkea_tcp_includedir)" +LTLIBRARIES = $(lib_LTLIBRARIES) +am__DEPENDENCIES_1 = +libkea_tcp_la_DEPENDENCIES = \ + $(top_builddir)/src/lib/hooks/libkea-hooks.la \ + $(top_builddir)/src/lib/cc/libkea-cc.la \ + $(top_builddir)/src/lib/asiolink/libkea-asiolink.la \ + $(top_builddir)/src/lib/log/libkea-log.la \ + $(top_builddir)/src/lib/util/libkea-util.la \ + $(top_builddir)/src/lib/exceptions/libkea-exceptions.la \ + $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \ + $(am__DEPENDENCIES_1) +am_libkea_tcp_la_OBJECTS = libkea_tcp_la-tcp_connection.lo \ + libkea_tcp_la-tcp_connection_pool.lo \ + libkea_tcp_la-tcp_listener.lo \ + libkea_tcp_la-mt_tcp_listener_mgr.lo libkea_tcp_la-tcp_log.lo \ + libkea_tcp_la-tcp_messages.lo libkea_tcp_la-tcp_stream_msg.lo +libkea_tcp_la_OBJECTS = $(am_libkea_tcp_la_OBJECTS) +AM_V_lt = $(am__v_lt_@AM_V@) +am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@) +am__v_lt_0 = --silent +am__v_lt_1 = +libkea_tcp_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX \ + $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CXXLD) \ + $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) $(libkea_tcp_la_LDFLAGS) \ + $(LDFLAGS) -o $@ +AM_V_P = $(am__v_P_@AM_V@) +am__v_P_ = $(am__v_P_@AM_DEFAULT_V@) +am__v_P_0 = false +am__v_P_1 = : +AM_V_GEN = $(am__v_GEN_@AM_V@) +am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@) +am__v_GEN_0 = @echo " GEN " $@; +am__v_GEN_1 = +AM_V_at = $(am__v_at_@AM_V@) +am__v_at_ = $(am__v_at_@AM_DEFAULT_V@) +am__v_at_0 = @ +am__v_at_1 = +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__maybe_remake_depfiles = depfiles +am__depfiles_remade = \ + ./$(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_connection.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_listener.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_log.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_messages.Plo \ + ./$(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Plo +am__mv = mv -f +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +LTCXXCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) \ + $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \ + $(AM_CXXFLAGS) $(CXXFLAGS) +AM_V_CXX = $(am__v_CXX_@AM_V@) +am__v_CXX_ = $(am__v_CXX_@AM_DEFAULT_V@) +am__v_CXX_0 = @echo " CXX " $@; +am__v_CXX_1 = +CXXLD = $(CXX) +CXXLINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \ + $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@ +AM_V_CXXLD = $(am__v_CXXLD_@AM_V@) +am__v_CXXLD_ = $(am__v_CXXLD_@AM_DEFAULT_V@) +am__v_CXXLD_0 = @echo " CXXLD " $@; +am__v_CXXLD_1 = +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \ + $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \ + $(AM_CFLAGS) $(CFLAGS) +AM_V_CC = $(am__v_CC_@AM_V@) +am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@) +am__v_CC_0 = @echo " CC " $@; +am__v_CC_1 = +CCLD = $(CC) +LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(LDFLAGS) -o $@ +AM_V_CCLD = $(am__v_CCLD_@AM_V@) +am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@) +am__v_CCLD_0 = @echo " CCLD " $@; +am__v_CCLD_1 = +SOURCES = $(libkea_tcp_la_SOURCES) +DIST_SOURCES = $(libkea_tcp_la_SOURCES) +RECURSIVE_TARGETS = all-recursive check-recursive cscopelist-recursive \ + ctags-recursive dvi-recursive html-recursive info-recursive \ + install-data-recursive install-dvi-recursive \ + install-exec-recursive install-html-recursive \ + install-info-recursive install-pdf-recursive \ + install-ps-recursive install-recursive installcheck-recursive \ + installdirs-recursive pdf-recursive ps-recursive \ + tags-recursive uninstall-recursive +am__can_run_installinfo = \ + case $$AM_UPDATE_INFO_DIR in \ + n|no|NO) false;; \ + *) (install-info --version) >/dev/null 2>&1;; \ + esac +HEADERS = $(libkea_tcp_include_HEADERS) +RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ + distclean-recursive maintainer-clean-recursive +am__recursive_targets = \ + $(RECURSIVE_TARGETS) \ + $(RECURSIVE_CLEAN_TARGETS) \ + $(am__extra_recursive_targets) +AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \ + distdir distdir-am +am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP) +# Read a list of newline-separated strings from the standard input, +# and print each of them once, without duplicates. Input order is +# *not* preserved. +am__uniquify_input = $(AWK) '\ + BEGIN { nonempty = 0; } \ + { items[$$0] = 1; nonempty = 1; } \ + END { if (nonempty) { for (i in items) print i; }; } \ +' +# Make sure the list of sources is unique. This is necessary because, +# e.g., the same source file might be shared among _SOURCES variables +# for different programs/libraries. +am__define_uniq_tagged_files = \ + list='$(am__tagged_files)'; \ + unique=`for i in $$list; do \ + if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \ + done | $(am__uniquify_input)` +ETAGS = etags +CTAGS = ctags +DIST_SUBDIRS = $(SUBDIRS) +am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp README +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +am__relativize = \ + dir0=`pwd`; \ + sed_first='s,^\([^/]*\)/.*$$,\1,'; \ + sed_rest='s,^[^/]*/*,,'; \ + sed_last='s,^.*/\([^/]*\)$$,\1,'; \ + sed_butlast='s,/*[^/]*$$,,'; \ + while test -n "$$dir1"; do \ + first=`echo "$$dir1" | sed -e "$$sed_first"`; \ + if test "$$first" != "."; then \ + if test "$$first" = ".."; then \ + dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \ + dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \ + else \ + first2=`echo "$$dir2" | sed -e "$$sed_first"`; \ + if test "$$first2" = "$$first"; then \ + dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \ + else \ + dir2="../$$dir2"; \ + fi; \ + dir0="$$dir0"/"$$first"; \ + fi; \ + fi; \ + dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \ + done; \ + reldir="$$dir2" +ACLOCAL = @ACLOCAL@ +AMTAR = @AMTAR@ +AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@ +AR = @AR@ +ASCIIDOC = @ASCIIDOC@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +BOOST_INCLUDES = @BOOST_INCLUDES@ +BOOST_LIBS = @BOOST_LIBS@ +BOTAN_TOOL = @BOTAN_TOOL@ +CC = @CC@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CONTRIB_DIR = @CONTRIB_DIR@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CRYPTO_CFLAGS = @CRYPTO_CFLAGS@ +CRYPTO_INCLUDES = @CRYPTO_INCLUDES@ +CRYPTO_LDFLAGS = @CRYPTO_LDFLAGS@ +CRYPTO_LIBS = @CRYPTO_LIBS@ +CRYPTO_PACKAGE = @CRYPTO_PACKAGE@ +CRYPTO_RPATH = @CRYPTO_RPATH@ +CXX = @CXX@ +CXXCPP = @CXXCPP@ +CXXDEPMODE = @CXXDEPMODE@ +CXXFLAGS = @CXXFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +DISTCHECK_BOOST_CONFIGURE_FLAG = @DISTCHECK_BOOST_CONFIGURE_FLAG@ +DISTCHECK_CONTRIB_CONFIGURE_FLAG = @DISTCHECK_CONTRIB_CONFIGURE_FLAG@ +DISTCHECK_CRYPTO_CONFIGURE_FLAG = @DISTCHECK_CRYPTO_CONFIGURE_FLAG@ +DISTCHECK_GSSAPI_CONFIGURE_FLAG = @DISTCHECK_GSSAPI_CONFIGURE_FLAG@ +DISTCHECK_GTEST_CONFIGURE_FLAG = @DISTCHECK_GTEST_CONFIGURE_FLAG@ +DISTCHECK_KEA_SHELL_CONFIGURE_FLAG = @DISTCHECK_KEA_SHELL_CONFIGURE_FLAG@ +DISTCHECK_LIBYANGCPP_CONFIGURE_FLAG = @DISTCHECK_LIBYANGCPP_CONFIGURE_FLAG@ +DISTCHECK_LIBYANG_CONFIGURE_FLAG = @DISTCHECK_LIBYANG_CONFIGURE_FLAG@ +DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG = @DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG@ +DISTCHECK_MYSQL_CONFIGURE_FLAG = @DISTCHECK_MYSQL_CONFIGURE_FLAG@ +DISTCHECK_PERFDHCP_CONFIGURE_FLAG = @DISTCHECK_PERFDHCP_CONFIGURE_FLAG@ +DISTCHECK_PGSQL_CONFIGURE_FLAG = @DISTCHECK_PGSQL_CONFIGURE_FLAG@ +DISTCHECK_PREMIUM_CONFIGURE_FLAG = @DISTCHECK_PREMIUM_CONFIGURE_FLAG@ +DISTCHECK_SYSREPOCPP_CONFIGURE_FLAG = @DISTCHECK_SYSREPOCPP_CONFIGURE_FLAG@ +DISTCHECK_SYSREPO_CONFIGURE_FLAG = @DISTCHECK_SYSREPO_CONFIGURE_FLAG@ +DLLTOOL = @DLLTOOL@ +DSYMUTIL = @DSYMUTIL@ +DUMPBIN = @DUMPBIN@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +FGREP = @FGREP@ +GENHTML = @GENHTML@ +GREP = @GREP@ +GSSAPI_CFLAGS = @GSSAPI_CFLAGS@ +GSSAPI_LIBS = @GSSAPI_LIBS@ +GTEST_CONFIG = @GTEST_CONFIG@ +GTEST_INCLUDES = @GTEST_INCLUDES@ +GTEST_LDADD = @GTEST_LDADD@ +GTEST_LDFLAGS = @GTEST_LDFLAGS@ +GTEST_SOURCE = @GTEST_SOURCE@ +HAVE_NETCONF = @HAVE_NETCONF@ +INSTALL = @INSTALL@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +KEA_CXXFLAGS = @KEA_CXXFLAGS@ +KEA_SRCID = @KEA_SRCID@ +KRB5_CONFIG = @KRB5_CONFIG@ +LCOV = @LCOV@ +LD = @LD@ +LDFLAGS = @LDFLAGS@ +LEX = @LEX@ +LEXLIB = @LEXLIB@ +LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LIBTOOL = @LIBTOOL@ +LIBYANGCPP_CPPFLAGS = @LIBYANGCPP_CPPFLAGS@ +LIBYANGCPP_INCLUDEDIR = @LIBYANGCPP_INCLUDEDIR@ +LIBYANGCPP_LIBS = @LIBYANGCPP_LIBS@ +LIBYANGCPP_PREFIX = @LIBYANGCPP_PREFIX@ +LIBYANGCPP_VERSION = @LIBYANGCPP_VERSION@ +LIBYANG_CPPFLAGS = @LIBYANG_CPPFLAGS@ +LIBYANG_INCLUDEDIR = @LIBYANG_INCLUDEDIR@ +LIBYANG_LIBS = @LIBYANG_LIBS@ +LIBYANG_PREFIX = @LIBYANG_PREFIX@ +LIBYANG_VERSION = @LIBYANG_VERSION@ +LIPO = @LIPO@ +LN_S = @LN_S@ +LOG4CPLUS_INCLUDES = @LOG4CPLUS_INCLUDES@ +LOG4CPLUS_LIBS = @LOG4CPLUS_LIBS@ +LTLIBOBJS = @LTLIBOBJS@ +LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@ +MAKEINFO = @MAKEINFO@ +MANIFEST_TOOL = @MANIFEST_TOOL@ +MKDIR_P = @MKDIR_P@ +MYSQL_CPPFLAGS = @MYSQL_CPPFLAGS@ +MYSQL_LIBS = @MYSQL_LIBS@ +NM = @NM@ +NMEDIT = @NMEDIT@ +OBJDUMP = @OBJDUMP@ +OBJEXT = @OBJEXT@ +OTOOL = @OTOOL@ +OTOOL64 = @OTOOL64@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_URL = @PACKAGE_URL@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PACKAGE_VERSION_TYPE = @PACKAGE_VERSION_TYPE@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PDFLATEX = @PDFLATEX@ +PERL = @PERL@ +PGSQL_CPPFLAGS = @PGSQL_CPPFLAGS@ +PGSQL_LIBS = @PGSQL_LIBS@ +PKGPYTHONDIR = @PKGPYTHONDIR@ +PKG_CONFIG = @PKG_CONFIG@ +PLANTUML = @PLANTUML@ +PREMIUM_DIR = @PREMIUM_DIR@ +PYTHON = @PYTHON@ +PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@ +PYTHON_PLATFORM = @PYTHON_PLATFORM@ +PYTHON_PREFIX = @PYTHON_PREFIX@ +PYTHON_VERSION = @PYTHON_VERSION@ +RANLIB = @RANLIB@ +SED = @SED@ +SEP = @SEP@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +SPHINXBUILD = @SPHINXBUILD@ +SRPD_PLUGINS_PATH = @SRPD_PLUGINS_PATH@ +SR_PLUGINS_PATH = @SR_PLUGINS_PATH@ +SR_REPO_PATH = @SR_REPO_PATH@ +STRIP = @STRIP@ +SYSREPOCPP_CPPFLAGS = @SYSREPOCPP_CPPFLAGS@ +SYSREPOCPP_INCLUDEDIR = @SYSREPOCPP_INCLUDEDIR@ +SYSREPOCPP_LIBS = @SYSREPOCPP_LIBS@ +SYSREPOCPP_PREFIX = @SYSREPOCPP_PREFIX@ +SYSREPOCPP_VERSION = @SYSREPOCPP_VERSION@ +SYSREPO_CPPFLAGS = @SYSREPO_CPPFLAGS@ +SYSREPO_INCLUDEDIR = @SYSREPO_INCLUDEDIR@ +SYSREPO_LIBS = @SYSREPO_LIBS@ +SYSREPO_PREFIX = @SYSREPO_PREFIX@ +SYSREPO_VERSION = @SYSREPO_VERSION@ +USE_LCOV = @USE_LCOV@ +VALGRIND = @VALGRIND@ +VERSION = @VERSION@ +WARNING_GCC_44_STRICT_ALIASING_CFLAG = @WARNING_GCC_44_STRICT_ALIASING_CFLAG@ +YACC = @YACC@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_AR = @ac_ct_AR@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_CXX = @ac_ct_CXX@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +datadir = @datadir@ +datarootdir = @datarootdir@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +libdir = @libdir@ +libexecdir = @libexecdir@ +localedir = @localedir@ +localstatedir = @localstatedir@ +mandir = @mandir@ +mkdir_p = @mkdir_p@ +oldincludedir = @oldincludedir@ +pdfdir = @pdfdir@ +pkgpyexecdir = @pkgpyexecdir@ +pkgpythondir = @pkgpythondir@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +pyexecdir = @pyexecdir@ +pythondir = @pythondir@ +runstatedir = @runstatedir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +SUBDIRS = . tests +AM_CPPFLAGS = -I$(top_builddir)/src/lib -I$(top_srcdir)/src/lib \ + $(BOOST_INCLUDES) $(CRYPTO_CFLAGS) $(CRYPTO_INCLUDES) +AM_CXXFLAGS = $(KEA_CXXFLAGS) + +# Ensure that the message file is included in the distribution +EXTRA_DIST = libkea_tcp.dox tcp_messages.mes +CLEANFILES = *.gcno *.gcda +lib_LTLIBRARIES = libkea-tcp.la +libkea_tcp_la_SOURCES = tcp_connection.cc tcp_connection.h \ + tcp_connection_pool.cc tcp_connection_pool.h tcp_listener.cc \ + tcp_listener.h mt_tcp_listener_mgr.cc mt_tcp_listener_mgr.h \ + tcp_log.cc tcp_log.h tcp_messages.cc tcp_messages.h \ + tcp_stream_msg.cc tcp_stream_msg.h +libkea_tcp_la_CXXFLAGS = $(AM_CXXFLAGS) +libkea_tcp_la_CPPFLAGS = $(AM_CPPFLAGS) +libkea_tcp_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info \ + 5:0:0 +libkea_tcp_la_LIBADD = $(top_builddir)/src/lib/hooks/libkea-hooks.la \ + $(top_builddir)/src/lib/cc/libkea-cc.la \ + $(top_builddir)/src/lib/asiolink/libkea-asiolink.la \ + $(top_builddir)/src/lib/log/libkea-log.la \ + $(top_builddir)/src/lib/util/libkea-util.la \ + $(top_builddir)/src/lib/exceptions/libkea-exceptions.la \ + $(LOG4CPLUS_LIBS) $(BOOST_LIBS) $(CRYPTO_LIBS) + +# Specify the headers for copying into the installation directory tree. +libkea_tcp_includedir = $(pkgincludedir)/tcp +libkea_tcp_include_HEADERS = \ + mt_tcp_listener_mgr.h \ + tcp_connection_acceptor.h \ + tcp_connection.h \ + tcp_connection_pool.h \ + tcp_listener.h \ + tcp_log.h \ + tcp_messages.h \ + tcp_stream_msg.h + +all: all-recursive + +.SUFFIXES: +.SUFFIXES: .cc .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/lib/tcp/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --foreign src/lib/tcp/Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +install-libLTLIBRARIES: $(lib_LTLIBRARIES) + @$(NORMAL_INSTALL) + @list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \ + list2=; for p in $$list; do \ + if test -f $$p; then \ + list2="$$list2 $$p"; \ + else :; fi; \ + done; \ + test -z "$$list2" || { \ + echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \ + $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \ + } + +uninstall-libLTLIBRARIES: + @$(NORMAL_UNINSTALL) + @list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \ + for p in $$list; do \ + $(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \ + done + +clean-libLTLIBRARIES: + -test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES) + @list='$(lib_LTLIBRARIES)'; \ + locs=`for p in $$list; do echo $$p; done | \ + sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \ + sort -u`; \ + test -z "$$locs" || { \ + echo rm -f $${locs}; \ + rm -f $${locs}; \ + } + +libkea-tcp.la: $(libkea_tcp_la_OBJECTS) $(libkea_tcp_la_DEPENDENCIES) $(EXTRA_libkea_tcp_la_DEPENDENCIES) + $(AM_V_CXXLD)$(libkea_tcp_la_LINK) -rpath $(libdir) $(libkea_tcp_la_OBJECTS) $(libkea_tcp_la_LIBADD) $(LIBS) + +mostlyclean-compile: + -rm -f *.$(OBJEXT) + +distclean-compile: + -rm -f *.tab.c + +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_connection.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_listener.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_log.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_messages.Plo@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Plo@am__quote@ # am--include-marker + +$(am__depfiles_remade): + @$(MKDIR_P) $(@D) + @echo '# dummy' >$@-t && $(am__mv) $@-t $@ + +am--depfiles: $(am__depfiles_remade) + +.cc.o: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $< + +.cc.obj: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'` + +.cc.lo: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LTCXXCOMPILE) -c -o $@ $< + +libkea_tcp_la-tcp_connection.lo: tcp_connection.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_connection.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_connection.Tpo -c -o libkea_tcp_la-tcp_connection.lo `test -f 'tcp_connection.cc' || echo '$(srcdir)/'`tcp_connection.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_connection.Tpo $(DEPDIR)/libkea_tcp_la-tcp_connection.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_connection.cc' object='libkea_tcp_la-tcp_connection.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_connection.lo `test -f 'tcp_connection.cc' || echo '$(srcdir)/'`tcp_connection.cc + +libkea_tcp_la-tcp_connection_pool.lo: tcp_connection_pool.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_connection_pool.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Tpo -c -o libkea_tcp_la-tcp_connection_pool.lo `test -f 'tcp_connection_pool.cc' || echo '$(srcdir)/'`tcp_connection_pool.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Tpo $(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_connection_pool.cc' object='libkea_tcp_la-tcp_connection_pool.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_connection_pool.lo `test -f 'tcp_connection_pool.cc' || echo '$(srcdir)/'`tcp_connection_pool.cc + +libkea_tcp_la-tcp_listener.lo: tcp_listener.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_listener.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_listener.Tpo -c -o libkea_tcp_la-tcp_listener.lo `test -f 'tcp_listener.cc' || echo '$(srcdir)/'`tcp_listener.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_listener.Tpo $(DEPDIR)/libkea_tcp_la-tcp_listener.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_listener.cc' object='libkea_tcp_la-tcp_listener.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_listener.lo `test -f 'tcp_listener.cc' || echo '$(srcdir)/'`tcp_listener.cc + +libkea_tcp_la-mt_tcp_listener_mgr.lo: mt_tcp_listener_mgr.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-mt_tcp_listener_mgr.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Tpo -c -o libkea_tcp_la-mt_tcp_listener_mgr.lo `test -f 'mt_tcp_listener_mgr.cc' || echo '$(srcdir)/'`mt_tcp_listener_mgr.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Tpo $(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='mt_tcp_listener_mgr.cc' object='libkea_tcp_la-mt_tcp_listener_mgr.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-mt_tcp_listener_mgr.lo `test -f 'mt_tcp_listener_mgr.cc' || echo '$(srcdir)/'`mt_tcp_listener_mgr.cc + +libkea_tcp_la-tcp_log.lo: tcp_log.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_log.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_log.Tpo -c -o libkea_tcp_la-tcp_log.lo `test -f 'tcp_log.cc' || echo '$(srcdir)/'`tcp_log.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_log.Tpo $(DEPDIR)/libkea_tcp_la-tcp_log.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_log.cc' object='libkea_tcp_la-tcp_log.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_log.lo `test -f 'tcp_log.cc' || echo '$(srcdir)/'`tcp_log.cc + +libkea_tcp_la-tcp_messages.lo: tcp_messages.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_messages.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_messages.Tpo -c -o libkea_tcp_la-tcp_messages.lo `test -f 'tcp_messages.cc' || echo '$(srcdir)/'`tcp_messages.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_messages.Tpo $(DEPDIR)/libkea_tcp_la-tcp_messages.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_messages.cc' object='libkea_tcp_la-tcp_messages.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_messages.lo `test -f 'tcp_messages.cc' || echo '$(srcdir)/'`tcp_messages.cc + +libkea_tcp_la-tcp_stream_msg.lo: tcp_stream_msg.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -MT libkea_tcp_la-tcp_stream_msg.lo -MD -MP -MF $(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Tpo -c -o libkea_tcp_la-tcp_stream_msg.lo `test -f 'tcp_stream_msg.cc' || echo '$(srcdir)/'`tcp_stream_msg.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Tpo $(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_stream_msg.cc' object='libkea_tcp_la-tcp_stream_msg.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libkea_tcp_la_CPPFLAGS) $(CPPFLAGS) $(libkea_tcp_la_CXXFLAGS) $(CXXFLAGS) -c -o libkea_tcp_la-tcp_stream_msg.lo `test -f 'tcp_stream_msg.cc' || echo '$(srcdir)/'`tcp_stream_msg.cc + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs +install-libkea_tcp_includeHEADERS: $(libkea_tcp_include_HEADERS) + @$(NORMAL_INSTALL) + @list='$(libkea_tcp_include_HEADERS)'; test -n "$(libkea_tcp_includedir)" || list=; \ + if test -n "$$list"; then \ + echo " $(MKDIR_P) '$(DESTDIR)$(libkea_tcp_includedir)'"; \ + $(MKDIR_P) "$(DESTDIR)$(libkea_tcp_includedir)" || exit 1; \ + fi; \ + for p in $$list; do \ + if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \ + echo "$$d$$p"; \ + done | $(am__base_list) | \ + while read files; do \ + echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(libkea_tcp_includedir)'"; \ + $(INSTALL_HEADER) $$files "$(DESTDIR)$(libkea_tcp_includedir)" || exit $$?; \ + done + +uninstall-libkea_tcp_includeHEADERS: + @$(NORMAL_UNINSTALL) + @list='$(libkea_tcp_include_HEADERS)'; test -n "$(libkea_tcp_includedir)" || list=; \ + files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \ + dir='$(DESTDIR)$(libkea_tcp_includedir)'; $(am__uninstall_files_from_dir) + +# This directory's subdirectories are mostly independent; you can cd +# into them and run 'make' without going through this Makefile. +# To change the values of 'make' variables: instead of editing Makefiles, +# (1) if the variable is set in 'config.status', edit 'config.status' +# (which will cause the Makefiles to be regenerated when you run 'make'); +# (2) otherwise, pass the desired values on the 'make' command line. +$(am__recursive_targets): + @fail=; \ + if $(am__make_keepgoing); then \ + failcom='fail=yes'; \ + else \ + failcom='exit 1'; \ + fi; \ + dot_seen=no; \ + target=`echo $@ | sed s/-recursive//`; \ + case "$@" in \ + distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \ + *) list='$(SUBDIRS)' ;; \ + esac; \ + for subdir in $$list; do \ + echo "Making $$target in $$subdir"; \ + if test "$$subdir" = "."; then \ + dot_seen=yes; \ + local_target="$$target-am"; \ + else \ + local_target="$$target"; \ + fi; \ + ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \ + || eval $$failcom; \ + done; \ + if test "$$dot_seen" = "no"; then \ + $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \ + fi; test -z "$$fail" + +ID: $(am__tagged_files) + $(am__define_uniq_tagged_files); mkid -fID $$unique +tags: tags-recursive +TAGS: tags + +tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files) + set x; \ + here=`pwd`; \ + if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \ + include_option=--etags-include; \ + empty_fix=.; \ + else \ + include_option=--include; \ + empty_fix=; \ + fi; \ + list='$(SUBDIRS)'; for subdir in $$list; do \ + if test "$$subdir" = .; then :; else \ + test ! -f $$subdir/TAGS || \ + set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \ + fi; \ + done; \ + $(am__define_uniq_tagged_files); \ + shift; \ + if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \ + test -n "$$unique" || unique=$$empty_fix; \ + if test $$# -gt 0; then \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + "$$@" $$unique; \ + else \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + $$unique; \ + fi; \ + fi +ctags: ctags-recursive + +CTAGS: ctags +ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files) + $(am__define_uniq_tagged_files); \ + test -z "$(CTAGS_ARGS)$$unique" \ + || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \ + $$unique + +GTAGS: + here=`$(am__cd) $(top_builddir) && pwd` \ + && $(am__cd) $(top_srcdir) \ + && gtags -i $(GTAGS_ARGS) "$$here" +cscopelist: cscopelist-recursive + +cscopelist-am: $(am__tagged_files) + list='$(am__tagged_files)'; \ + case "$(srcdir)" in \ + [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \ + *) sdir=$(subdir)/$(srcdir) ;; \ + esac; \ + for i in $$list; do \ + if test -f "$$i"; then \ + echo "$(subdir)/$$i"; \ + else \ + echo "$$sdir/$$i"; \ + fi; \ + done >> $(top_builddir)/cscope.files + +distclean-tags: + -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags + +distdir: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) distdir-am + +distdir-am: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done + @list='$(DIST_SUBDIRS)'; for subdir in $$list; do \ + if test "$$subdir" = .; then :; else \ + $(am__make_dryrun) \ + || test -d "$(distdir)/$$subdir" \ + || $(MKDIR_P) "$(distdir)/$$subdir" \ + || exit 1; \ + dir1=$$subdir; dir2="$(distdir)/$$subdir"; \ + $(am__relativize); \ + new_distdir=$$reldir; \ + dir1=$$subdir; dir2="$(top_distdir)"; \ + $(am__relativize); \ + new_top_distdir=$$reldir; \ + echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \ + echo " am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \ + ($(am__cd) $$subdir && \ + $(MAKE) $(AM_MAKEFLAGS) \ + top_distdir="$$new_top_distdir" \ + distdir="$$new_distdir" \ + am__remove_distdir=: \ + am__skip_length_check=: \ + am__skip_mode_fix=: \ + distdir) \ + || exit 1; \ + fi; \ + done +check-am: all-am +check: check-recursive +all-am: Makefile $(LTLIBRARIES) $(HEADERS) +installdirs: installdirs-recursive +installdirs-am: + for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(libkea_tcp_includedir)"; do \ + test -z "$$dir" || $(MKDIR_P) "$$dir"; \ + done +install: install-recursive +install-exec: install-exec-recursive +install-data: install-data-recursive +uninstall: uninstall-recursive + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-recursive +install-strip: + if test -z '$(STRIP)'; then \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + install; \ + else \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-recursive + +clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \ + mostlyclean-am + +distclean: distclean-recursive + -rm -f ./$(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_connection.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_listener.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_log.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_messages.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Plo + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: install-libkea_tcp_includeHEADERS + +install-dvi: install-dvi-recursive + +install-dvi-am: + +install-exec-am: install-libLTLIBRARIES + +install-html: install-html-recursive + +install-html-am: + +install-info: install-info-recursive + +install-info-am: + +install-man: + +install-pdf: install-pdf-recursive + +install-pdf-am: + +install-ps: install-ps-recursive + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-recursive + -rm -f ./$(DEPDIR)/libkea_tcp_la-mt_tcp_listener_mgr.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_connection.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_connection_pool.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_listener.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_log.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_messages.Plo + -rm -f ./$(DEPDIR)/libkea_tcp_la-tcp_stream_msg.Plo + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic \ + maintainer-clean-local + +mostlyclean: mostlyclean-recursive + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-recursive + +pdf-am: + +ps: ps-recursive + +ps-am: + +uninstall-am: uninstall-libLTLIBRARIES \ + uninstall-libkea_tcp_includeHEADERS + +.MAKE: $(am__recursive_targets) install-am install-strip + +.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \ + am--depfiles check check-am clean clean-generic \ + clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \ + ctags-am distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-libLTLIBRARIES \ + install-libkea_tcp_includeHEADERS install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs installdirs-am \ + maintainer-clean maintainer-clean-generic \ + maintainer-clean-local mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am uninstall-libLTLIBRARIES \ + uninstall-libkea_tcp_includeHEADERS + +.PRECIOUS: Makefile + + +# If we want to get rid of all generated messages files, we need to use +# make maintainer-clean. The proper way to introduce custom commands for +# that operation is to define maintainer-clean-local target. However, +# make maintainer-clean also removes Makefile, so running configure script +# is required. To make it easy to rebuild messages without going through +# reconfigure, a new target messages-clean has been added. +maintainer-clean-local: + rm -f tcp_messages.h tcp_messages.cc + +# To regenerate messages files, one can do: +# +# make messages-clean +# make messages +# +# This is needed only when a .mes file is modified. +messages-clean: maintainer-clean-local + +# Define rule to build logging source files from message file +@GENERATE_MESSAGES_TRUE@messages: tcp_messages.h tcp_messages.cc +@GENERATE_MESSAGES_TRUE@ @echo Message files regenerated + +@GENERATE_MESSAGES_TRUE@tcp_messages.h tcp_messages.cc: tcp_messages.mes +@GENERATE_MESSAGES_TRUE@ $(top_builddir)/src/lib/log/compiler/kea-msg-compiler $(top_srcdir)/src/lib/tcp/tcp_messages.mes + +@GENERATE_MESSAGES_FALSE@messages tcp_messages.h tcp_messages.cc: +@GENERATE_MESSAGES_FALSE@ @echo Messages generation disabled. Configure with --enable-generate-messages to enable it. + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/lib/tcp/README b/src/lib/tcp/README new file mode 100644 index 0000000..68ef83f --- /dev/null +++ b/src/lib/tcp/README @@ -0,0 +1 @@ +The tcp library is intended to provide support for TCP server/listeners. diff --git a/src/lib/tcp/libkea_tcp.dox b/src/lib/tcp/libkea_tcp.dox new file mode 100644 index 0000000..8dce873 --- /dev/null +++ b/src/lib/tcp/libkea_tcp.dox @@ -0,0 +1,19 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +/** +@page libkea_tcp libkea-kea_tcp - TCP Listener Library + +@section libkea_tcpIntro Introduction + +This is a library of classes (in the isc::kea_tcp namespace) that provide +the ability to accept connections, listen for and respond to TCP messages. + +@section tcpMTConsiderations Multi-Threading Consideration for TCP Library + +This library is thread safe. + +*/ diff --git a/src/lib/tcp/mt_tcp_listener_mgr.cc b/src/lib/tcp/mt_tcp_listener_mgr.cc new file mode 100644 index 0000000..a8afa6d --- /dev/null +++ b/src/lib/tcp/mt_tcp_listener_mgr.cc @@ -0,0 +1,162 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <asiolink/asio_wrapper.h> +#include <asiolink/io_address.h> +#include <asiolink/io_error.h> +#include <asiolink/io_service.h> +#include <mt_tcp_listener_mgr.h> +#include <tcp_log.h> +#include <util/multi_threading_mgr.h> + +#include <boost/pointer_cast.hpp> + +using namespace isc::asiolink; +using namespace isc::tcp; +using namespace isc::util; + +namespace isc { +namespace tcp { + +MtTcpListenerMgr::MtTcpListenerMgr(TcpListenerFactory listener_factory, + const IOAddress& address, + const uint16_t port, + const uint16_t thread_pool_size /* = 1 */, + TlsContextPtr context /* = () */, + TcpConnectionFilterCallback connection_filter /* = 0 */) + : listener_factory_(listener_factory), + address_(address), port_(port), thread_io_service_(), tcp_listener_(), + thread_pool_size_(thread_pool_size), thread_pool_(), + tls_context_(context), connection_filter_(connection_filter), + idle_timeout_(TCP_IDLE_CONNECTION_TIMEOUT) { +} + +MtTcpListenerMgr::~MtTcpListenerMgr() { + stop(); +} + +void +MtTcpListenerMgr::start() { + // We must be in multi-threading mode. + if (!MultiThreadingMgr::instance().getMode()) { + isc_throw(InvalidOperation, "MtTcpListenerMgr cannot be started" + " when multi-threading is disabled"); + } + + // Punt if we're already started. + if (!isStopped()) { + isc_throw(InvalidOperation, "MtTcpListenerMgr already started!"); + } + + try { + // Create a new IOService. + thread_io_service_.reset(new IOService()); + + // Create a new TCPListener derivation using the factory. + tcp_listener_ = listener_factory_(*thread_io_service_, + address_, + port_, + tls_context_, + idle_timeout_, + connection_filter_); + + // Instruct the HTTP listener to actually open socket, install + // callback and start listening. + tcp_listener_->start(); + + // Create the thread pool with immediate start. + thread_pool_.reset(new IoServiceThreadPool(thread_io_service_, thread_pool_size_)); + + // OK, seems like we're good to go. + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, MT_TCP_LISTENER_MGR_STARTED) + .arg(thread_pool_size_) + .arg(address_) + .arg(port_) + .arg(tls_context_ ? "true" : "false"); + } catch (const std::exception& ex) { + thread_io_service_.reset(); + tcp_listener_.reset(); + thread_pool_.reset(); + isc_throw(Unexpected, "MtTcpListenerMgr::start failed:" << ex.what()); + } +} + +void +MtTcpListenerMgr::checkPermissions() { + if (thread_pool_) { + thread_pool_->checkPausePermissions(); + } +} + +void +MtTcpListenerMgr::pause() { + if (thread_pool_) { + thread_pool_->pause(); + } +} + +void +MtTcpListenerMgr::resume() { + if (thread_pool_) { + thread_pool_->run(); + } +} + +void +MtTcpListenerMgr::stop() { + // Nothing to do. + if (!thread_io_service_) { + return; + } + + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, MT_TCP_LISTENER_MGR_STOPPING) + .arg(address_) + .arg(port_); + + // Stop the thread pool. + thread_pool_->stop(); + + // Get rid of the listener. + tcp_listener_.reset(); + + // Ditch the IOService. + thread_io_service_.reset(); + + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, MT_TCP_LISTENER_MGR_STOPPED) + .arg(address_) + .arg(port_); +} + +bool +MtTcpListenerMgr::isRunning() { + if (thread_pool_) { + return (thread_pool_->isRunning()); + } + + return (false); +} + +bool +MtTcpListenerMgr::isStopped() { + if (thread_pool_) { + return (thread_pool_->isStopped()); + } + + return (true); +} + +bool +MtTcpListenerMgr::isPaused() { + if (thread_pool_) { + return (thread_pool_->isPaused()); + } + + return (false); +} + +} // namespace isc::config +} // namespace isc diff --git a/src/lib/tcp/mt_tcp_listener_mgr.h b/src/lib/tcp/mt_tcp_listener_mgr.h new file mode 100644 index 0000000..6fc2600 --- /dev/null +++ b/src/lib/tcp/mt_tcp_listener_mgr.h @@ -0,0 +1,211 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef MT_TCP_LISTENER_MGR_H +#define MT_TCP_LISTENER_MGR_H + +#include <asiolink/io_address.h> +#include <asiolink/io_service.h> +#include <asiolink/io_service_thread_pool.h> +#include <tcp/tcp_listener.h> +#include <thread> +#include <vector> + +namespace isc { +namespace tcp { + +/// @brief Default connection idle timeout in milliseconds. +const long TCP_IDLE_CONNECTION_TIMEOUT = 300 * 1000; + +/// @brief Defines a factory function for creating TcpListeners. +typedef std::function< + TcpListenerPtr(asiolink::IOService& io_service, + const asiolink::IOAddress& server_address, + const unsigned short server_port, + const asiolink::TlsContextPtr& tls_context, + const TcpListener::IdleTimeout& idle_timeout, + const TcpConnectionFilterCallback& connection_filter) + > TcpListenerFactory; + +/// @brief Manages a thread-pool that is used to drive a TcpListener +/// +/// This class manages an IOServiceThreadPool which in turn is used to +/// drive an internal instance of TcpListener. This allows the listener connections +/// to each run on their own thread within the pool. The pool can be started, paused, +/// resumed, and stopped. +/// +/// @note This class is NOT compatible with Kea core single-threading. +/// It is incumbent upon the owner to ensure the Kea core multi-threading +/// is (or will be) enabled when creating instances of this class. +class MtTcpListenerMgr { +public: + /// @brief Constructor + /// + /// @param listener_factory Function for instantiating the internal + /// TcpListener + /// @param address Ip address to listen on for connections + /// @param port Ip port to listen on for connections + /// @param thread_pool_size Maximum Number of threads in the thread pool. + /// This implicit dictates the maximum number of connections. + /// @param context TLS context for authenticating connections. Defaults + /// to empty. + /// @param connection_filter Callback connections may use to filter + /// connections by their remote endpoint characteristics (e.g. ip address) + MtTcpListenerMgr(TcpListenerFactory listener_factory, + const asiolink::IOAddress& address, + const uint16_t port, + const uint16_t thread_pool_size = 1, + asiolink::TlsContextPtr context = asiolink::TlsContextPtr(), + TcpConnectionFilterCallback connection_filter = 0); + + /// @brief Destructor + virtual ~MtTcpListenerMgr(); + + /// @brief Check if the current thread can perform thread pool state + /// transition. + /// + /// @throw MultiThreadingInvalidOperation if the state transition is done on + /// any of the worker threads. + void checkPermissions(); + + /// @brief Starts running the listener's thread pool. + void start(); + + /// @brief Pauses the listener's thread pool. + /// + /// Suspends thread pool event processing. + void pause(); + + /// @brief Resumes running the listener's thread pool. + /// + /// Resumes thread pool event processing. + void resume(); + + /// @brief Stops the listener's thread pool. + void stop(); + + /// @brief Indicates if the thread pool is running. + /// + /// @return True if the thread pool exists and it is in the RUNNING state, + /// false otherwise. + bool isRunning(); + + /// @brief Indicates if the thread pool is stopped. + /// + /// @return True if the thread pool does not exist or it is in the STOPPED + /// state, false otherwise. + bool isStopped(); + + /// @brief Indicates if the thread pool is paused. + /// + /// @return True if the thread pool exists and it is in the PAUSED state, + /// false otherwise. + bool isPaused(); + + /// @brief Fetches the IP address on which to listen. + /// + /// @return IOAddress containing the address on which to listen. + isc::asiolink::IOAddress getAddress() const { + return (address_); + } + + /// @brief Fetches the port number on which to listen. + /// + /// @return uint16_t containing the port number on which to listen. + uint16_t getPort() const { + return (port_); + } + + /// @brief Fetches the maximum size of the thread pool. + /// + /// @return uint16_t containing the maximum size of the thread pool. + uint16_t getThreadPoolSize() const { + return (thread_pool_size_); + } + + /// @brief Fetches the TLS context. + /// + /// @return TLS context. + asiolink::TlsContextPtr getTlsContext() const { + return (tls_context_); + } + + /// @brief Fetches the number of threads in the pool. + /// + /// @return uint16_t containing the number of running threads. + uint16_t getThreadCount() const { + if (!thread_pool_) { + return (0); + } + + return (thread_pool_->getThreadCount()); + } + + /// @brief Fetches a pointer to the internal IOService used to + /// drive the thread-pool in multi-threaded mode. + /// + /// @return pointer to the IOService instance, or an empty pointer + /// in single-threaded mode. + asiolink::IOServicePtr getThreadIOService() const { + return (thread_io_service_); + } + + /// @brief Fetch a pointer to the listener. + const TcpListenerPtr getTcpListener() { + return(tcp_listener_); + } + + /// @brief Sets the idle time per connection. + /// + /// @param milliseconds Amount of time in milliseconds + void setIdleTimeout(long milliseconds) { + idle_timeout_ = TcpListener::IdleTimeout(milliseconds); + } + + long getIdleTimeout() { + return (idle_timeout_.value_); + } + +private: + /// @brief Factory for creating TcpListener instances. + TcpListenerFactory listener_factory_; + + /// @brief IP address on which to listen. + isc::asiolink::IOAddress address_; + + /// @brief Port on which to listen. + uint16_t port_; + + /// @brief IOService instance that drives our IO. + isc::asiolink::IOServicePtr thread_io_service_; + + /// @brief The TcpListener instance + TcpListenerPtr tcp_listener_; + + /// @brief The number of threads that will call IOService_context::run(). + std::size_t thread_pool_size_; + + /// @brief The pool of threads that do IO work. + asiolink::IoServiceThreadPoolPtr thread_pool_; + + /// @brief The TLS context. + asiolink::TlsContextPtr tls_context_; + + /// @brief Callback the listener may use to reject connections during acceptance. + TcpConnectionFilterCallback connection_filter_; + + /// @brief Time in milliseconds that a connection can remain idle before + /// it is closed. + TcpListener::IdleTimeout idle_timeout_; +}; + +/// @brief Defines a shared pointer to MtTcpListenerMgr. +typedef boost::shared_ptr<MtTcpListenerMgr> MtTcpListenerMgrPtr; + +} // namespace isc::tcp +} // namespace isc + +#endif // MT_TCP_LISTENER_MGR_H diff --git a/src/lib/tcp/tcp_connection.cc b/src/lib/tcp/tcp_connection.cc new file mode 100644 index 0000000..d0e5393 --- /dev/null +++ b/src/lib/tcp/tcp_connection.cc @@ -0,0 +1,529 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <asiolink/asio_wrapper.h> +#include <tcp/tcp_connection.h> +#include <tcp/tcp_connection_pool.h> +#include <tcp/tcp_log.h> +#include <tcp/tcp_messages.h> +#include <util/strutil.h> +#include <boost/make_shared.hpp> + +#include <iomanip> +#include <sstream> +#include <functional> + +using namespace isc::asiolink; +namespace ph = std::placeholders; + +namespace { + +/// @brief Maximum size of a message that can be logged. +/// +/// The part of the message beyond this value is truncated. +const size_t MAX_LOGGED_MESSAGE_SIZE = 1024; + +} + +namespace isc { +namespace tcp { + +void +TcpResponse::consumeWireData(const size_t length) { + send_in_progress_ = true; + wire_data_.erase(wire_data_.begin(), wire_data_.begin() + length); +} + +void +TcpConnection:: +SocketCallback::operator()(boost::system::error_code ec, size_t length) { + if (ec.value() == boost::asio::error::operation_aborted) { + return; + } + callback_(ec, length); +} + +TcpConnection::TcpConnection(asiolink::IOService& io_service, + const TcpConnectionAcceptorPtr& acceptor, + const TlsContextPtr& tls_context, + TcpConnectionPool& connection_pool, + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& connection_filter, + const long idle_timeout, + const size_t read_max /* = 32768 */) + : tls_context_(tls_context), + idle_timeout_(idle_timeout), + idle_timer_(io_service), + tcp_socket_(), + tls_socket_(), + acceptor_(acceptor), + connection_pool_(connection_pool), + acceptor_callback_(acceptor_callback), + connection_filter_(connection_filter), + read_max_(read_max), + input_buf_(read_max) { + if (!tls_context) { + tcp_socket_.reset(new asiolink::TCPSocket<SocketCallback>(io_service)); + } else { + tls_socket_.reset(new asiolink::TLSSocket<SocketCallback>(io_service, + tls_context)); + } +} + +TcpConnection::~TcpConnection() { + close(); +} + +void +TcpConnection::shutdownCallback(const boost::system::error_code&) { + tls_socket_->close(); +} + +void +TcpConnection::shutdown() { + idle_timer_.cancel(); + if (tcp_socket_) { + tcp_socket_->close(); + return; + } + + if (tls_socket_) { + // Create instance of the callback to close the socket. + SocketCallback cb(std::bind(&TcpConnection::shutdownCallback, + shared_from_this(), + ph::_1)); // error_code + tls_socket_->shutdown(cb); + return; + } + + // Not reachable? + isc_throw(Unexpected, "internal error: unable to shutdown the socket"); +} + +void +TcpConnection::close() { + idle_timer_.cancel(); + if (tcp_socket_) { + tcp_socket_->close(); + return; + } + + if (tls_socket_) { + tls_socket_->close(); + return; + } + + // Not reachable? + isc_throw(Unexpected, "internal error: unable to close the socket"); +} + +void +TcpConnection::shutdownConnection() { + try { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, + TCP_CONNECTION_SHUTDOWN) + .arg(getRemoteEndpointAddressAsText()); + connection_pool_.shutdown(shared_from_this()); + } catch (...) { + LOG_ERROR(tcp_logger, TCP_CONNECTION_SHUTDOWN_FAILED); + } +} + +void +TcpConnection::stopThisConnection() { + try { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, + TCP_CONNECTION_STOP) + .arg(getRemoteEndpointAddressAsText()); + connection_pool_.stop(shared_from_this()); + } catch (...) { + LOG_ERROR(tcp_logger, TCP_CONNECTION_STOP_FAILED); + } +} + +void +TcpConnection::asyncAccept() { + // Create instance of the callback. It is safe to pass the local instance + // of the callback, because the underlying boost functions make copies + // as needed. + TcpConnectionAcceptorCallback cb = std::bind(&TcpConnection::acceptorCallback, + shared_from_this(), + ph::_1); + try { + TlsConnectionAcceptorPtr tls_acceptor = + boost::dynamic_pointer_cast<TlsConnectionAcceptor>(acceptor_); + if (!tls_acceptor) { + if (!tcp_socket_) { + isc_throw(Unexpected, "internal error: TCP socket is null"); + } + acceptor_->asyncAccept(*tcp_socket_, cb); + } else { + if (!tls_socket_) { + isc_throw(Unexpected, "internal error: TLS socket is null"); + } + tls_acceptor->asyncAccept(*tls_socket_, cb); + } + } catch (const std::exception& ex) { + isc_throw(TcpConnectionError, "unable to start accepting TCP " + "connections: " << ex.what()); + } +} + +void +TcpConnection::doHandshake() { + // Skip the handshake if the socket is not a TLS one. + if (!tls_socket_) { + doRead(); + return; + } + + setupIdleTimer(); + + // Create instance of the callback. It is safe to pass the local instance + // of the callback, because the underlying boost functions make copies + // as needed. + SocketCallback cb(std::bind(&TcpConnection::handshakeCallback, + shared_from_this(), + ph::_1)); // error + try { + tls_socket_->handshake(cb); + + } catch (const std::exception& ex) { + isc_throw(TcpConnectionError, "unable to perform TLS handshake: " + << ex.what()); + } +} + +void +TcpConnection::doRead(TcpRequestPtr request) { + try { + TCPEndpoint endpoint; + + setupIdleTimer(); + + // Request hasn't been created if we are starting to read the + // new request. + if (!request) { + request = createRequest(); + } + + // Create instance of the callback. It is safe to pass the local instance + // of the callback, because the underlying std functions make copies + // as needed. + SocketCallback cb(std::bind(&TcpConnection::socketReadCallback, + shared_from_this(), + request, + ph::_1, // error + ph::_2)); // bytes_transferred + if (tcp_socket_) { + tcp_socket_->asyncReceive(static_cast<void*>(getInputBufData()), + getInputBufSize(), 0, &endpoint, cb); + return; + } + + if (tls_socket_) { + tls_socket_->asyncReceive(static_cast<void*>(getInputBufData()), + getInputBufSize(), 0, &endpoint, cb); + return; + } + } catch (...) { + stopThisConnection(); + } +} + +void +TcpConnection::doWrite(TcpResponsePtr response) { + try { + if (response->wireDataAvail()) { + // Create instance of the callback. It is safe to pass the + // local instance of the callback, because the underlying + // std functions make copies as needed. + SocketCallback cb(std::bind(&TcpConnection::socketWriteCallback, + shared_from_this(), + response, + ph::_1, // error + ph::_2)); // bytes_transferred + if (tcp_socket_) { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, + TCP_SERVER_RESPONSE_SEND) + .arg(getRemoteEndpointAddressAsText()); + tcp_socket_->asyncSend(response->getWireData(), + response->getWireDataSize(), + cb); + return; + } + if (tls_socket_) { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, + TLS_SERVER_RESPONSE_SEND) + .arg(getRemoteEndpointAddressAsText()); + tls_socket_->asyncSend(response->getWireData(), + response->getWireDataSize(), + cb); + return; + } + } else { + // The connection remains open and we are done sending the response. + // If the response sent handler returns true then we should start the + // idle timer. + if (responseSent(response)) { + setupIdleTimer(); + } + } + } catch (...) { + // The connection is dead and there can't be a pending write as + // they are in sequence. + TcpConnection::stopThisConnection(); + } +} + +void +TcpConnection::asyncSendResponse(TcpResponsePtr response) { + doWrite(response); +} + + +void +TcpConnection::acceptorCallback(const boost::system::error_code& ec) { + if (!acceptor_->isOpen()) { + return; + } + + if (ec) { + stopThisConnection(); + } + + // Stage a new connection to listen for next client. + acceptor_callback_(ec); + + if (!ec) { + try { + if (tcp_socket_ && tcp_socket_->getASIOSocket().is_open()) { + remote_endpoint_ = + tcp_socket_->getASIOSocket().remote_endpoint(); + } else if (tls_socket_ && tls_socket_->getASIOSocket().is_open()) { + remote_endpoint_ = + tls_socket_->getASIOSocket().remote_endpoint(); + } + } catch (...) { + // Let's it to fail later. + } + + // In theory, we should not get here with an unopened socket + // but just in case, we'll check for NO_ENDPOINT. + if ((remote_endpoint_ == NO_ENDPOINT()) || + (connection_filter_ && !connection_filter_(remote_endpoint_))) { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL, + TCP_CONNECTION_REJECTED_BY_FILTER) + .arg(getRemoteEndpointAddressAsText()); + TcpConnectionPool::rejected_counter_ += 1; + stopThisConnection(); + return; + } + + if (!tls_context_) { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL, + TCP_REQUEST_RECEIVE_START) + .arg(getRemoteEndpointAddressAsText()) + .arg(static_cast<unsigned>(idle_timeout_/1000)); + } else { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL, + TLS_CONNECTION_HANDSHAKE_START) + .arg(getRemoteEndpointAddressAsText()) + .arg(static_cast<unsigned>(idle_timeout_/1000)); + } + + doHandshake(); + } +} + +void +TcpConnection::handshakeCallback(const boost::system::error_code& ec) { + if (ec) { + LOG_INFO(tcp_logger, TLS_CONNECTION_HANDSHAKE_FAILED) + .arg(getRemoteEndpointAddressAsText()) + .arg(ec.message()); + stopThisConnection(); + } else { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL, + TLS_REQUEST_RECEIVE_START) + .arg(getRemoteEndpointAddressAsText()) + .arg(static_cast<unsigned>(idle_timeout_/1000)); + doRead(); + } +} + +void +TcpConnection::socketReadCallback(TcpRequestPtr request, + boost::system::error_code ec, size_t length) { + if (ec) { + // IO service has been stopped and the connection is probably + // going to be shutting down. + if (ec.value() == boost::asio::error::operation_aborted) { + return; + + // EWOULDBLOCK and EAGAIN are special cases. Everything else is + // treated as fatal error. + } else if ((ec.value() != boost::asio::error::try_again) && + (ec.value() != boost::asio::error::would_block)) { + stopThisConnection(); + return; + + // We got EWOULDBLOCK or EAGAIN which indicate that we may be able to + // read something from the socket on the next attempt. Just make sure + // we don't try to read anything now in case there is any garbage + // passed in length. + } else { + length = 0; + } + } + + // Data received, Restart the request timer. + setupIdleTimer(); + + TcpRequestPtr next_request = request; + if (length) { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL_DATA, + TCP_DATA_RECEIVED) + .arg(length) + .arg(getRemoteEndpointAddressAsText()); + WireData input_data(input_buf_.begin(), input_buf_.begin() + length); + next_request = postData(request, input_data); + } + + // Start next read. + doRead(next_request); +} + +TcpRequestPtr +TcpConnection::postData(TcpRequestPtr request, WireData& input_data) { + size_t bytes_left = 0; + size_t length = input_data.size(); + if (length) { + // Add data to the current request. + size_t bytes_used = request->postBuffer(static_cast<void*>(input_data.data()), length); + // Remove bytes used. + bytes_left = length - bytes_used; + input_data.erase(input_data.begin(), input_data.begin() + length); + } + + if (request->needData()) { + // Current request is incomplete and we're out of data + // return the incomplete request and we'll read again. + return (request); + } + + try { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_BASIC, + TCP_CLIENT_REQUEST_RECEIVED) + .arg(getRemoteEndpointAddressAsText()); + + // Request complete, stop the timer. + idle_timer_.cancel(); + + // Process the completed request. + requestReceived(request); + } catch (const std::exception& ex) { + LOG_ERROR(tcp_logger, TCP_REQUEST_RECEIVED_FAILED) + .arg(getRemoteEndpointAddressAsText()) + .arg(ex.what()); + } + + // Create a new, empty request. + request = createRequest(); + if (bytes_left) { + // The input buffer spanned messages. Recurse to post the remainder to the + // new request. + request = postData(request, input_data); + } + + return (request); +} + +void +TcpConnection::socketWriteCallback(TcpResponsePtr response, + boost::system::error_code ec, size_t length) { + if (ec) { + // IO service has been stopped and the connection is probably + // going to be shutting down. + if (ec.value() == boost::asio::error::operation_aborted) { + return; + + // EWOULDBLOCK and EAGAIN are special cases. Everything else is + // treated as fatal error. + } else if ((ec.value() != boost::asio::error::try_again) && + (ec.value() != boost::asio::error::would_block)) { + // The connection is dead and there can't be a pending write as + // they are in sequence. + TcpConnection::stopThisConnection(); + return; + + // We got EWOULDBLOCK or EAGAIN which indicate that we may be able to + // read something from the socket on the next attempt. + } else { + doWrite(response); + } + } + + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL_DATA, TCP_DATA_SENT) + .arg(length) + .arg(getRemoteEndpointAddressAsText()); + + // Since each response has its own wire data, it is not really + // possible that the number of bytes written is larger than the size + // of the buffer. But, let's be safe and set the length to the size + // of the buffer if that unexpected condition occurs. + if (length > response->getWireDataSize()) { + length = response->getWireDataSize(); + } + + // Eat the 'length' number of bytes from the output buffer and only + // leave the part of the response that hasn't been sent. + response->consumeWireData(length); + + // Schedule the write of the unsent data. + doWrite(response); +} + +void +TcpConnection::setupIdleTimer() { + idle_timer_.setup(std::bind(&TcpConnection::idleTimeoutCallback, this), + idle_timeout_, IntervalTimer::ONE_SHOT); +} + +void +TcpConnection::idleTimeoutCallback() { + LOG_DEBUG(tcp_logger, isc::log::DBGLVL_TRACE_DETAIL, + TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED) + .arg(getRemoteEndpointAddressAsText()); + // In theory we should shutdown first and stop/close after but + // it is better to put the connection management responsibility + // on the client... so simply drop idle connections. + stopThisConnection(); +} + +std::string +TcpConnection::getRemoteEndpointAddressAsText() const { + if (remote_endpoint_ != NO_ENDPOINT()) { + return (remote_endpoint_.address().to_string()); + } + + return ("(unknown address)"); +} + +void +TcpConnection::setReadMax(const size_t read_max) { + if (!read_max) { + isc_throw(BadValue, "TcpConnection read_max must be > 0"); + } + + read_max_ = read_max; + input_buf_.resize(read_max); +} + +} // end of namespace isc::tcp +} // end of namespace isc diff --git a/src/lib/tcp/tcp_connection.h b/src/lib/tcp/tcp_connection.h new file mode 100644 index 0000000..8b71d07 --- /dev/null +++ b/src/lib/tcp/tcp_connection.h @@ -0,0 +1,469 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_CONNECTION_H +#define TCP_CONNECTION_H + +#include <asiolink/asio_wrapper.h> +#include <asiolink/interval_timer.h> +#include <asiolink/io_service.h> +#include <tcp/tcp_connection_acceptor.h> + +#include <boost/enable_shared_from_this.hpp> +#include <boost/system/error_code.hpp> +#include <boost/shared_ptr.hpp> + +#include <array> +#include <functional> +#include <string> +#include <iostream> + +#include <mutex> + +namespace isc { +namespace tcp { + +/// @brief Defines a data structure for storing raw bytes of data on the wire. +typedef std::vector<uint8_t> WireData; +typedef boost::shared_ptr<WireData> WireDataPtr; + +/// @brief Base class for TCP messages. +class TcpMessage { +public: + /// @brief Destructor + virtual ~TcpMessage(){ + }; + + /// @brief Returns pointer to the first byte of the wire data. + /// @throw InvalidOperation if wire data is empty (i.e. getWireDataSize() == 0). + /// @return Constant raw pointer to the data. + const uint8_t* getWireData() const { + if (wire_data_.empty()) { + isc_throw(InvalidOperation, "TcpMessage::getWireData() - cannot access empty wire data"); + } + + return (wire_data_.data()); + } + + /// @brief Returns current size of the wire data. + size_t getWireDataSize() const { + return (wire_data_.size()); + } + +protected: + /// @brief Buffer used for data in wire format data. + WireData wire_data_; +}; + +/// @brief Abstract class used to receive an inbound message. +class TcpRequest : public TcpMessage { +public: + /// @brief Destructor + virtual ~TcpRequest(){}; + + /// @brief Adds data to an incomplete request + /// + /// @param buf A pointer to the buffer holding the data. + /// @param nbytes Size of the data within the buffer. + /// @return number of bytes posted (consumed) + virtual size_t postBuffer(const void* buf, const size_t nbytes) = 0; + + /// @brief Returns true if the request is incomplete. + /// + /// @return true if the request is incomplete. + virtual bool needData() const = 0; + + /// @brief Returns request contents formatted for log output + /// + /// @param limit Maximum length of the buffer to be output. If the limit is 0, + /// the length of the output is unlimited. + /// @return Textual representation of the input buffer. + virtual std::string logFormatRequest(const size_t limit = 0) const = 0; + + /// @brief Unpacks wire data once the message has been completely received. + virtual void unpack() = 0; + +private: + + /// @brief Exception safe wrapper around logForamteRequest + /// + /// @param limit Maximum length of the buffer to be output. If the limit is 0, + /// the length of the output is unlimited. + /// @return Textual representation of the input buffer. + std::string logFormatRequestSafe(const size_t limit = 0) const; +}; + +/// @brief Defines a smart pointer to a TcpRequest. +typedef boost::shared_ptr<TcpRequest> TcpRequestPtr; + +/// @brief Abstract class used to create and send an outbound response. +class TcpResponse : public TcpMessage { +public: + /// @brief Constructor + TcpResponse() + : send_in_progress_(false) {}; + + /// @brief Destructor + virtual ~TcpResponse() {}; + + /// @brief Checks if the output buffer contains some data to be + /// sent. + /// + /// @return true if the output buffer contains data to be sent, + /// false otherwise. + bool wireDataAvail() const { + return (!wire_data_.empty()); + } + + /// @brief Prepares the wire data content for writing. + virtual void pack() = 0; + + /// @brief Erases n bytes from the beginning of the wire data. + /// + /// @param length Number of bytes to be erased. + virtual void consumeWireData(const size_t length); + + bool sendInProgress() { + return (send_in_progress_); + } + +private: + /// @brief Returns true once wire data consumption has begun. + bool send_in_progress_; +}; + +typedef boost::shared_ptr<TcpResponse> TcpResponsePtr; + +/// @brief Generic error reported within @ref TcpConnection class. +class TcpConnectionError : public Exception { +public: + TcpConnectionError(const char* file, size_t line, const char* what) : + isc::Exception(file, line, what) { }; +}; + +/// @brief Forward declaration to the @ref TcpConnectionPool. +/// +/// This declaration is needed because we don't include the header file +/// declaring @ref TcpConnectionPool to avoid circular inclusion. +class TcpConnectionPool; + +/// @brief Type of the callback for filtering new connections by ip address. +typedef std::function<bool(const boost::asio::ip::tcp::endpoint&)> TcpConnectionFilterCallback; + +/// @brief Accepts and handles a single TCP connection. +class TcpConnection : public boost::enable_shared_from_this<TcpConnection> { +private: + + /// @brief Type of the function implementing a callback invoked by the + /// @c SocketCallback functor. + typedef std::function<void(boost::system::error_code ec, size_t length)> + SocketCallbackFunction; + + /// @brief Functor associated with the socket object. + /// + /// This functor calls a callback function specified in the constructor. + class SocketCallback { + public: + + /// @brief Constructor. + /// + /// @param socket_callback Callback to be invoked by the functor upon + /// an event associated with the socket. + SocketCallback(SocketCallbackFunction socket_callback) + : callback_(socket_callback) { + } + + /// @brief Operator called when event associated with a socket occurs. + /// + /// This operator returns immediately when received error code is + /// @c boost::system::error_code is equal to + /// @c boost::asio::error::operation_aborted, i.e. the callback is not + /// invoked. + /// + /// @param ec Error code. + /// @param length Data length. + void operator()(boost::system::error_code ec, size_t length = 0); + + private: + /// @brief Supplied callback. + SocketCallbackFunction callback_; + }; + +public: + + /// @brief Constructor. + /// + /// @param io_service IO service to be used by the connection. + /// @param acceptor Pointer to the TCP acceptor object used to listen for + /// new TCP connections. + /// @param tls_context TLS context. + /// @param connection_pool Connection pool in which this connection is + /// stored. + /// @param acceptor_callback Callback invoked when new connection is accepted. + /// @param connection_filter Callback invoked prior to handshake which can be + /// used to qualify and reject connections + /// @param idle_timeout Timeout after which a TCP connection is + /// closed by the server. + /// @param read_max maximum size of a single socket read. Defaults to 32K. + TcpConnection(asiolink::IOService& io_service, + const TcpConnectionAcceptorPtr& acceptor, + const asiolink::TlsContextPtr& tls_context, + TcpConnectionPool& connection_pool, + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& connection_filter, + const long idle_timeout, + const size_t read_max = 32768); + + /// @brief Destructor. + /// + /// Closes current connection. + virtual ~TcpConnection(); + + /// @brief Asynchronously accepts new connection. + /// + /// When the connection is established successfully, the timeout timer is + /// setup and the asynchronous handshake with client is performed. + void asyncAccept(); + + /// @brief Shutdown the socket. + virtual void shutdown(); + + /// @brief Closes the socket. + virtual void close(); + + /// @brief Asynchronously performs TLS handshake. + /// + /// When the handshake is performed successfully or skipped because TLS + /// was not enabled, the asynchronous read from the socket is started. + void doHandshake(); + + /// @brief Starts asynchronous read from the socket. + /// + /// The data received over the socket are supplied to the TCP parser until + /// the parser signals that the entire request has been received or until + /// the parser signals an error. In the former case the server creates an + /// TCP response using supplied response creator object. + /// + /// In case of error the connection is stopped. + /// + /// @param request Pointer to the request for which the read + /// operation should be performed. It defaults to null pointer which + /// indicates that this function should create new request. + void doRead(TcpRequestPtr request = TcpRequestPtr()); + + /// @brief Appends newly received raw data to the given request. + /// + /// The input data is passed into the current request's postBuffer method. + /// If the request is still incomplete, we return it and wait for more + /// data to post. Otherwise, the request is complete and it is passed into + /// @ref TcpConnection::requestReceived() to be processed. Upon return from + /// that, a new request is created and returned to be used for the next + /// read cycle. + /// + /// @param request request to which data should be posted. + /// @param input_data raw data to post. + /// + /// @return Pointer to the request to use for the next read. + TcpRequestPtr postData(TcpRequestPtr request, WireData& input_data); + + /// @brief Processes a request once it has been completely received. + /// + /// This function is called by @c postData() if the post results + /// in a completion (i.e. request's needData() returns false). + virtual void requestReceived(TcpRequestPtr request) = 0; + + /// @brief Creates a new, empty request. + /// + /// This function is called by @c postData(), following the completion + /// of the current request, to create a new request for accepting the + /// next data read. + /// + /// @return Pointer to the new request. + virtual TcpRequestPtr createRequest() = 0; + + /// @brief Fetches the maximum number of bytes read during single socket + /// read. + /// @return Maximum number of bytes to read. + size_t getReadMax() const { + return (read_max_); + } + + /// @brief Sets the maximum number of bytes read during single socket read. + /// + /// @param read_max maximum number of bytes to read. + /// @throw BadValue if the parameter is not greater than zero. + void setReadMax(const size_t read_max); + + /// @brief Determines behavior after a response has been sent. + /// + /// @param response Pointer to the response sent. + /// @return True if the idle timer should be started. + virtual bool responseSent(TcpResponsePtr response) = 0; + + /// @brief Returns an empty end point. + /// + /// @return an uninitialized endpoint. + static const boost::asio::ip::tcp::endpoint& NO_ENDPOINT() { + static boost::asio::ip::tcp::endpoint endpoint; + return (endpoint); + } + + /// @brief Fetches the remote endpoint for the connection's socket. + /// + /// @return A reference to the endpoint if the socket is open, otherwise + /// NO_ENDPOINT. + const boost::asio::ip::tcp::endpoint getRemoteEndpoint() const { + return (remote_endpoint_); + } + +protected: + + /// @brief Starts asynchronous write to the socket. + /// + /// The @c output_buf_ must contain the data to be sent. + /// + /// In case of error the connection is stopped. + /// + /// @param response Pointer to the response to write + /// operation should be performed. + void doWrite(TcpResponsePtr response); + + /// @brief Sends TCP response asynchronously. + /// + /// Internally it calls @ref TcpConnection::doWrite to send the data. + /// + /// @param response Pointer to the TCP response to be sent. + void asyncSendResponse(TcpResponsePtr response); + + /// @brief Local callback invoked when new connection is accepted. + /// + /// It invokes external (supplied via constructor) acceptor callback. If + /// the acceptor is not opened it returns immediately. If the connection + /// is accepted successfully the @ref TcpConnection::doRead or + /// @ref TcpConnection::doHandshake is called. + /// + /// @param ec Error code. + void acceptorCallback(const boost::system::error_code& ec); + + /// @brief Local callback invoked when TLS handshake is performed. + /// + /// If the handshake is performed successfully the @ref + /// TcpConnection::doRead is called. + /// + /// @param ec Error code. + void handshakeCallback(const boost::system::error_code& ec); + + /// @brief Callback invoked when new data is received over the socket. + /// + /// This callback supplies the data to the TCP parser and continues + /// parsing. When the parser signals end of the TCP request the callback + /// prepares a response and starts asynchronous send over the socket. + /// + /// @param request Pointer to the request for which the callback + /// is invoked. + /// @param ec Error code. + /// @param length Length of the received data. + void socketReadCallback(TcpRequestPtr request, + boost::system::error_code ec, + size_t length); + + /// @brief Callback invoked when data is sent over the socket. + /// + /// @param request Pointer to the request for which the callback + /// is invoked. + /// @param ec Error code. + /// @param length Length of the data sent. + virtual void socketWriteCallback(TcpResponsePtr request, + boost::system::error_code ec, + size_t length); + + /// @brief Callback invoked when TLS shutdown is performed. + /// + /// The TLS socket is unconditionally closed but the callback is called + /// only when the peer has answered so the connection should be + /// explicitly closed in all cases, i.e. do not rely on this handler. + /// + /// @param ec Error code (ignored). + void shutdownCallback(const boost::system::error_code& ec); + + /// @brief Reset timer for detecting idle timeout in connections. + void setupIdleTimer(); + + /// @brief Callback invoked when the client has been idle. + void idleTimeoutCallback(); + + /// @brief Shuts down current connection. + /// + /// Copied from the next method @ref stopThisConnection + virtual void shutdownConnection(); + + /// @brief Stops current connection. + virtual void stopThisConnection(); + + /// @brief returns remote address in textual form + std::string getRemoteEndpointAddressAsText() const; + + /// @brief Returns pointer to the first byte of the input buffer. + /// + /// @throw InvalidOperation if called when the buffer is empty. + unsigned char* getInputBufData() { + if (input_buf_.empty()) { + isc_throw(InvalidOperation, "TcpConnection::getInputBufData() - cannot access empty buffer"); + } + + return (input_buf_.data()); + } + + /// @brief Returns input buffer size. + size_t getInputBufSize() const { + return (input_buf_.size()); + } + + /// @brief TLS context. + asiolink::TlsContextPtr tls_context_; + + /// @brief Timeout after which the a TCP connection is shut + /// down by the server. + long idle_timeout_; + + /// @brief Timer used to detect idle Timeout. + asiolink::IntervalTimer idle_timer_; + + /// @brief TCP socket used by this connection. + std::unique_ptr<asiolink::TCPSocket<SocketCallback> > tcp_socket_; + + /// @brief TLS socket used by this connection. + std::unique_ptr<asiolink::TLSSocket<SocketCallback> > tls_socket_; + + /// @brief Pointer to the TCP acceptor used to accept new connections. + TcpConnectionAcceptorPtr acceptor_; + + /// @brief Connection pool holding this connection. + TcpConnectionPool& connection_pool_; + + /// @brief External TCP acceptor callback. + TcpConnectionAcceptorCallback acceptor_callback_; + + /// @brief External callback for filtering connections by IP address. + TcpConnectionFilterCallback connection_filter_; + + /// @brief Maximum bytes to read in a single socket read. + size_t read_max_; + + /// @brief Buffer for a single socket read. + WireData input_buf_; + + /// @brief Remote endpoint. + boost::asio::ip::tcp::endpoint remote_endpoint_; +}; + +/// @brief Pointer to the @ref TcpConnection. +typedef boost::shared_ptr<TcpConnection> TcpConnectionPtr; + +} // end of namespace isc::tcp +} // end of namespace isc + +#endif diff --git a/src/lib/tcp/tcp_connection_acceptor.h b/src/lib/tcp/tcp_connection_acceptor.h new file mode 100644 index 0000000..028d999 --- /dev/null +++ b/src/lib/tcp/tcp_connection_acceptor.h @@ -0,0 +1,38 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_CONNECTION_ACCEPTOR_H +#define TCP_CONNECTION_ACCEPTOR_H + +#include <asiolink/tcp_acceptor.h> +#include <asiolink/tls_acceptor.h> + +#include <boost/shared_ptr.hpp> +#include <boost/system/system_error.hpp> +#include <functional> + +namespace isc { +namespace tcp { + +/// @brief Type of the callback for the TCP acceptor used in this library. +typedef std::function<void(const boost::system::error_code&)> TcpConnectionAcceptorCallback; + +/// @brief Type of the TCP acceptor used in this library. +typedef asiolink::TCPAcceptor<TcpConnectionAcceptorCallback> TcpConnectionAcceptor; + +/// @brief Type of shared pointer to TCP acceptors. +typedef boost::shared_ptr<TcpConnectionAcceptor> TcpConnectionAcceptorPtr; + +/// @brief Type of the TLS acceptor used in this library. +typedef asiolink::TLSAcceptor<TcpConnectionAcceptorCallback> TlsConnectionAcceptor; + +/// @brief Type of shared pointer to TLS acceptors. +typedef boost::shared_ptr<TlsConnectionAcceptor> TlsConnectionAcceptorPtr; + +} // end of namespace isc::tcp +} // end of namespace isc + +#endif diff --git a/src/lib/tcp/tcp_connection_pool.cc b/src/lib/tcp/tcp_connection_pool.cc new file mode 100644 index 0000000..d5fe610 --- /dev/null +++ b/src/lib/tcp/tcp_connection_pool.cc @@ -0,0 +1,127 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <asiolink/asio_wrapper.h> +#include <tcp/tcp_connection_pool.h> +#include <util/multi_threading_mgr.h> + +using namespace isc::asiolink; + +namespace isc { +namespace tcp { + +std::atomic<uint64_t> +TcpConnectionPool::started_counter_(0); + +std::atomic<uint64_t> +TcpConnectionPool::stopped_counter_(0); + +std::atomic<uint64_t> +TcpConnectionPool::rejected_counter_(0); + +void +TcpConnectionPool::start(const TcpConnectionPtr& connection) { + if (util::MultiThreadingMgr::instance().getMode()) { + std::lock_guard<std::mutex> lk(mutex_); + connections_.insert(connections_.end(), connection); + started_counter_ += 1; + } else { + connections_.insert(connections_.end(), connection); + started_counter_ += 1; + } + + connection->asyncAccept(); +} + +void +TcpConnectionPool::stop(const TcpConnectionPtr& connection) { + if (util::MultiThreadingMgr::instance().getMode()) { + std::lock_guard<std::mutex> lk(mutex_); + size_t before = connections_.size(); + connections_.remove(connection); + size_t after = connections_.size(); + stopped_counter_ += before - after; + } else { + size_t before = connections_.size(); + connections_.remove(connection); + size_t after = connections_.size(); + stopped_counter_ += before - after; + } + + connection->close(); +} + +void +TcpConnectionPool::shutdown(const TcpConnectionPtr& connection) { + if (util::MultiThreadingMgr::instance().getMode()) { + std::lock_guard<std::mutex> lk(mutex_); + size_t before = connections_.size(); + connections_.remove(connection); + size_t after = connections_.size(); + stopped_counter_ += before - after; + } else { + size_t before = connections_.size(); + connections_.remove(connection); + size_t after = connections_.size(); + stopped_counter_ += before - after; + } + + connection->shutdown(); +} + +void +TcpConnectionPool::stopAll() { + if (util::MultiThreadingMgr::instance().getMode()) { + std::lock_guard<std::mutex> lk(mutex_); + stopAllInternal(); + } else { + stopAllInternal(); + } +} + +void +TcpConnectionPool::stopAllInternal() { + for (auto connection = connections_.begin(); + connection != connections_.end(); + ++connection) { + (*connection)->close(); + } + + size_t cnt = connections_.size(); + connections_.clear(); + stopped_counter_ += cnt; +} + +size_t +TcpConnectionPool::usedByRemoteIp(const IOAddress& remote_ip, + size_t& total_connections) { + if (util::MultiThreadingMgr::instance().getMode()) { + std::lock_guard<std::mutex> lk(mutex_); + return (usedByRemoteIpInternal(remote_ip, total_connections)); + } else { + return (usedByRemoteIpInternal(remote_ip, total_connections)); + } +} + +size_t +TcpConnectionPool::usedByRemoteIpInternal(const IOAddress& remote_ip, + size_t& total_connections) { + total_connections = connections_.size(); + size_t cnt = 0; + for (const auto& conn : connections_) { + const auto& ep = conn->getRemoteEndpoint(); + if ((ep != TcpConnection::NO_ENDPOINT()) && + (IOAddress(ep.address()) == remote_ip)) { + ++cnt; + } + } + return (cnt); +} + +} +} diff --git a/src/lib/tcp/tcp_connection_pool.h b/src/lib/tcp/tcp_connection_pool.h new file mode 100644 index 0000000..2bd8800 --- /dev/null +++ b/src/lib/tcp/tcp_connection_pool.h @@ -0,0 +1,113 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_CONNECTION_POOL_H +#define TCP_CONNECTION_POOL_H + +#include <tcp/tcp_connection.h> + +#include <list> +#include <mutex> + +namespace isc { +namespace tcp { + +/// @brief Type of TCP connection pointer list. +typedef std::list<TcpConnectionPtr> TcpConnectionList; + +/// @brief Pool of active TCP connections. +/// +/// The TCP server is designed to handle many connections simultaneously. +/// The communication between the client and the server may take long time +/// and the server must be able to react on other events while the communication +/// with the clients is in progress. Thus, the server must track active +/// connections and gracefully close them when needed. An obvious case when the +/// connections must be terminated by the server is when the shutdown signal +/// is received. +/// +/// This object is a simple container for the server connections which provides +/// means to terminate them on request. +class TcpConnectionPool { +public: + + /// @brief Start new connection. + /// + /// The connection is inserted to the pool and the + /// @ref TcpConnection::asyncAccept is invoked. + /// + /// @param connection Pointer to the new connection. + void start(const TcpConnectionPtr& connection); + + /// @brief Removes a connection from the pool and shutdown it. + /// + /// Shutdown is specific to TLS and is a first part of graceful close + /// (note it is NOT the same as TCP shutdown system call). + /// + /// @note if the TLS connection stalls e.g. the peer does not try I/O + /// on it the connection has to be explicitly stopped. + /// + /// @param connection Pointer to the connection. + void shutdown(const TcpConnectionPtr& connection); + + /// @brief Removes a connection from the pool and stops it. + /// + /// @param connection Pointer to the connection. + void stop(const TcpConnectionPtr& connection); + + /// @brief Stops all connections and removes them from the pool. + /// + /// @note This function is not thread-safe so should be called + /// when the thread pool is stopped. + void stopAll(); + + /// @brief Returns the number of connections using a given remote IP address. + /// + /// Used to limit the number of connections when accepting a new one. + /// + /// @param remote_ip The remote IP address. + /// @param[out] total_connections Size of the connection pool. + /// @return The number of connections using a given remote IP address. + size_t usedByRemoteIp(const asiolink::IOAddress& remote_ip, + size_t& total_connections); + + /// @brief Class/static started (i.e. added to pool) connection counter. + static std::atomic<uint64_t> started_counter_; + + /// @brief Class/static stopped (i.e. removed from pool) connection counter. + static std::atomic<uint64_t> stopped_counter_; + + /// @brief Class/static rejected (by the accept filter) connection counter. + static std::atomic<uint64_t> rejected_counter_; + +protected: + + /// @brief Stops all connections and removes them from the pool. + /// + /// Must be called from with a thread-safe context. + void stopAllInternal(); + + /// @brief Returns the number of connections using a given remote IP address. + /// + /// Used to limit the number of connections when accepting a new one. + /// Must be called from with a thread-safe context. + /// + /// @param remote_ip The remote IP address. + /// @param[out] total_connections Size of the connection pool. + /// @return The number of connections using a given remote IP address. + size_t usedByRemoteIpInternal(const asiolink::IOAddress& remote_ip, + size_t& total_connections); + + /// @brief Set of connections. + TcpConnectionList connections_; + + /// @brief Mutex to protect the internal state. + std::mutex mutex_; +}; + +} +} + +#endif diff --git a/src/lib/tcp/tcp_listener.cc b/src/lib/tcp/tcp_listener.cc new file mode 100644 index 0000000..dd327ae --- /dev/null +++ b/src/lib/tcp/tcp_listener.cc @@ -0,0 +1,115 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <asiolink/asio_wrapper.h> +#include <tcp/tcp_listener.h> + +using namespace isc::asiolink; +namespace ph = std::placeholders; + +namespace isc { +namespace tcp { + +TcpListener::TcpListener(IOService& io_service, + const IOAddress& server_address, + const unsigned short server_port, + const TlsContextPtr& tls_context, + const IdleTimeout& idle_timeout, + const TcpConnectionFilterCallback& connection_filter) + : io_service_(io_service), tls_context_(tls_context), acceptor_(), + endpoint_(), connections_(), idle_timeout_(idle_timeout.value_), + connection_filter_(connection_filter) { + // Create the TCP or TLS acceptor. + if (!tls_context) { + acceptor_.reset(new TcpConnectionAcceptor(io_service)); + } else { + acceptor_.reset(new TlsConnectionAcceptor(io_service)); + } + + // Try creating an endpoint. This may cause exceptions. + try { + endpoint_.reset(new TCPEndpoint(server_address, server_port)); + } catch (...) { + isc_throw(TcpListenerError, "unable to create TCP endpoint for " + << server_address << ":" << server_port); + } + + // Idle connection timeout is signed and must be greater than 0. + if (idle_timeout_ <= 0) { + isc_throw(TcpListenerError, "Invalid desired TCP idle connection" + " timeout " << idle_timeout_); + } +} + +TcpListener::~TcpListener() { + stop(); +} + +const TCPEndpoint& +TcpListener::getEndpoint() const { + return (*endpoint_); +} + +void +TcpListener::start() { + try { + acceptor_->open(*endpoint_); + acceptor_->setOption(TcpConnectionAcceptor::ReuseAddress(true)); + acceptor_->bind(*endpoint_); + acceptor_->listen(); + + } catch (const boost::system::system_error& ex) { + stop(); + isc_throw(TcpListenerError, "unable to setup TCP acceptor for " + "listening for incoming TCP clients: " << ex.what()); + } + + accept(); +} + +void +TcpListener::stop() { + connections_.stopAll(); + acceptor_->close(); +} + +void +TcpListener::accept() { + TcpConnectionAcceptorCallback acceptor_callback = + std::bind(&TcpListener::acceptHandler, this, ph::_1); + + TcpConnectionPtr conn = createConnection(acceptor_callback, connection_filter_); + + // Add this new connection to the pool. + connections_.start(conn); +} + +void +TcpListener::acceptHandler(const boost::system::error_code&) { + // The new connection has arrived. Set the acceptor to continue + // accepting new connections. + accept(); +} + +TcpConnectionPtr +TcpListener::createConnection(const TcpConnectionAcceptorCallback&, + const TcpConnectionFilterCallback&) { + isc_throw(NotImplemented, "TcpListener::createConnection:"); +} + +IOAddress +TcpListener::getLocalAddress() const { + return (getEndpoint().getAddress()); +} + +uint16_t +TcpListener::getLocalPort() const { + return (getEndpoint().getPort()); +} + +} // end of namespace isc::tcp +} // end of namespace isc diff --git a/src/lib/tcp/tcp_listener.h b/src/lib/tcp/tcp_listener.h new file mode 100644 index 0000000..26f74c5 --- /dev/null +++ b/src/lib/tcp/tcp_listener.h @@ -0,0 +1,169 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_LISTENER_H +#define TCP_LISTENER_H + +#include <asiolink/io_service.h> +#include <asiolink/io_address.h> +#include <asiolink/tcp_endpoint.h> +#include <tcp/tcp_connection_pool.h> +#include <boost/scoped_ptr.hpp> + +namespace isc { +namespace tcp { + +/// @brief A generic error raised by the @ref TcpListener class. +class TcpListenerError : public Exception { +public: + TcpListenerError(const char* file, size_t line, const char* what) : + isc::Exception(file, line, what) { }; +}; + +/// @brief Implements a class that listens for, accepts, and manages +/// TCP connections. +class TcpListener { +public: + /// @brief Idle connection timeout. + struct IdleTimeout { + /// @brief Constructor. + /// + /// @param value Connection idle timeout value in milliseconds. + explicit IdleTimeout(long value) + : value_(value) { + } + long value_; ///< Connection idle timeout value specified. + }; + + /// @brief Constructor. + /// + /// This constructor creates new server endpoint using the specified IP + /// address and port. It also validates other specified parameters. + /// + /// This constructor does not start accepting new connections! To start + /// accepting connections run @ref TcpListener::start. + /// + /// @param io_service IO service to be used by the listener. + /// @param server_address Address on which the TCP service should run. + /// @param server_port Port number on which the TCP service should run. + /// @param tls_context TLS context. + /// @param idle_timeout Timeout after which an idle TCP connection is + /// @param connection_filter Callback invoked during connection acceptance + /// that can allow or deny connections based on the remote endpoint. + /// + /// @throw TcpListenerError when any of the specified parameters is + /// invalid. + TcpListener(asiolink::IOService& io_service, + const asiolink::IOAddress& server_address, + const unsigned short server_port, + const asiolink::TlsContextPtr& tls_context, + const IdleTimeout& idle_timeout, + const TcpConnectionFilterCallback& connection_filter = 0); + + /// @brief Virtual destructor. + virtual ~TcpListener(); + + /// @brief Returns reference to the current listener endpoint. + const asiolink::TCPEndpoint& getEndpoint() const; + + /// @brief Starts accepting new connections. + /// + /// This method starts accepting and handling new TCP connections on + /// the IP address and port number specified in the constructor. + /// + /// If the method is invoked successfully, it must not be invoked again + /// until @ref TcpListener::stop is called. + /// + /// @throw TcpListenerError if an error occurred. + void start(); + + /// @brief Stops all active connections and shuts down the service. + void stop(); + + /// @brief Returns local address on which server is listening. + asiolink::IOAddress getLocalAddress() const; + + /// @brief Returns local port on which server is listening. + uint16_t getLocalPort() const; + + /// @brief Returns the idle timeout (in milliseconds). + long getIdleTimeout() const { + return (idle_timeout_); + } + + /// @brief Returns the number of connections using a given remote IP address. + /// + /// Used to limit the number of connections when accepting a new one. + /// + /// @param remote_ip The remote IP address. + /// @param[out] total_connections Size of the connection pool. + /// @return The number of connections using a given remote IP address. + size_t usedByRemoteIp(const asiolink::IOAddress& remote_ip, + size_t& total_connections) { + return (connections_.usedByRemoteIp(remote_ip, total_connections)); + } + +protected: + + /// @brief Creates @ref TcpConnection instance and adds it to the + /// pool of active connections. + /// + /// The next accepted connection will be handled by this instance. + void accept(); + + /// @brief Callback invoked when the new connection is accepted. + /// + /// It calls @c TcpListener::accept to create new @c TcpConnection + /// instance. + /// + /// @param ec Error code passed to the handler. This is currently ignored. + void acceptHandler(const boost::system::error_code& ec); + + /// @brief Creates an instance of the @c TcpConnection. + /// + /// This method is virtual so as it can be overridden when customized + /// connections are to be used, e.g. in case of unit testing. + /// + /// @param acceptor_callback Callback invoked when new connection is accepted. + /// @param connection_filter Callback invoked during acceptance which may + /// allow of deny connections based on their remote address. + /// @return Pointer to the created connection. + virtual TcpConnectionPtr createConnection( + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& connection_filter); + + /// @brief Reference to the IO service. + asiolink::IOService& io_service_; + + /// @brief TLS context. + asiolink::TlsContextPtr tls_context_; + + /// @brief Acceptor instance. + TcpConnectionAcceptorPtr acceptor_; + + /// @brief Pointer to the endpoint representing IP address and port on + /// which the service is running. + boost::scoped_ptr<asiolink::TCPEndpoint> endpoint_; + + /// @brief Pool of active connections. + TcpConnectionPool connections_; + + /// @brief Timeout after which idle connection is closed by + /// the server. + long idle_timeout_; + + /// @brief Callback invoked during acceptance which may + /// reject connections. + TcpConnectionFilterCallback connection_filter_; +}; + +/// @brief Pointer to a TcpListener. +typedef boost::shared_ptr<TcpListener> TcpListenerPtr; + +} // end of namespace isc::asiolink +} // end of namespace isc + +#endif // TCP_LISTENER_H diff --git a/src/lib/tcp/tcp_log.cc b/src/lib/tcp/tcp_log.cc new file mode 100644 index 0000000..959ae0c --- /dev/null +++ b/src/lib/tcp/tcp_log.cc @@ -0,0 +1,21 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at tcp://mozilla.org/MPL/2.0/. + +/// Defines the logger used by the libkea-tcp library. + +#include <config.h> + +#include <tcp/tcp_log.h> + +namespace isc { +namespace tcp { + +/// @brief Defines the logger used within libkea-tcp library. +isc::log::Logger tcp_logger("tcp"); + +} // namespace tcp +} // namespace isc + diff --git a/src/lib/tcp/tcp_log.h b/src/lib/tcp/tcp_log.h new file mode 100644 index 0000000..ec3dce3 --- /dev/null +++ b/src/lib/tcp/tcp_log.h @@ -0,0 +1,23 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at tcp://mozilla.org/MPL/2.0/. + +#ifndef TCP_LOG_H +#define TCP_LOG_H + +#include <log/logger_support.h> +#include <log/macros.h> +#include <tcp/tcp_messages.h> + +namespace isc { +namespace tcp { + +/// Define the logger used within libkea-tcp library. +extern isc::log::Logger tcp_logger; + +} // namespace tcp +} // namespace isc + +#endif // TCP_LOG_H diff --git a/src/lib/tcp/tcp_messages.cc b/src/lib/tcp/tcp_messages.cc new file mode 100644 index 0000000..5dc70ea --- /dev/null +++ b/src/lib/tcp/tcp_messages.cc @@ -0,0 +1,67 @@ +// File created from ../../../src/lib/tcp/tcp_messages.mes + +#include <cstddef> +#include <log/message_types.h> +#include <log/message_initializer.h> + +namespace isc { +namespace tcp { + +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STARTED = "MT_TCP_LISTENER_MGR_STARTED"; +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STOPPED = "MT_TCP_LISTENER_MGR_STOPPED"; +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STOPPING = "MT_TCP_LISTENER_MGR_STOPPING"; +extern const isc::log::MessageID TCP_CLIENT_REQUEST_RECEIVED = "TCP_CLIENT_REQUEST_RECEIVED"; +extern const isc::log::MessageID TCP_CONNECTION_CLOSE_CALLBACK_FAILED = "TCP_CONNECTION_CLOSE_CALLBACK_FAILED"; +extern const isc::log::MessageID TCP_CONNECTION_REJECTED_BY_FILTER = "TCP_CONNECTION_REJECTED_BY_FILTER"; +extern const isc::log::MessageID TCP_CONNECTION_SHUTDOWN = "TCP_CONNECTION_SHUTDOWN"; +extern const isc::log::MessageID TCP_CONNECTION_SHUTDOWN_FAILED = "TCP_CONNECTION_SHUTDOWN_FAILED"; +extern const isc::log::MessageID TCP_CONNECTION_STOP = "TCP_CONNECTION_STOP"; +extern const isc::log::MessageID TCP_CONNECTION_STOP_FAILED = "TCP_CONNECTION_STOP_FAILED"; +extern const isc::log::MessageID TCP_DATA_RECEIVED = "TCP_DATA_RECEIVED"; +extern const isc::log::MessageID TCP_DATA_SENT = "TCP_DATA_SENT"; +extern const isc::log::MessageID TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED = "TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED"; +extern const isc::log::MessageID TCP_PREMATURE_CONNECTION_TIMEOUT_OCCURRED = "TCP_PREMATURE_CONNECTION_TIMEOUT_OCCURRED"; +extern const isc::log::MessageID TCP_REQUEST_RECEIVED_FAILED = "TCP_REQUEST_RECEIVED_FAILED"; +extern const isc::log::MessageID TCP_REQUEST_RECEIVE_START = "TCP_REQUEST_RECEIVE_START"; +extern const isc::log::MessageID TCP_SERVER_RESPONSE_SEND = "TCP_SERVER_RESPONSE_SEND"; +extern const isc::log::MessageID TCP_SERVER_RESPONSE_SEND_DETAILS = "TCP_SERVER_RESPONSE_SEND_DETAILS"; +extern const isc::log::MessageID TLS_CONNECTION_HANDSHAKE_FAILED = "TLS_CONNECTION_HANDSHAKE_FAILED"; +extern const isc::log::MessageID TLS_CONNECTION_HANDSHAKE_START = "TLS_CONNECTION_HANDSHAKE_START"; +extern const isc::log::MessageID TLS_REQUEST_RECEIVE_START = "TLS_REQUEST_RECEIVE_START"; +extern const isc::log::MessageID TLS_SERVER_RESPONSE_SEND = "TLS_SERVER_RESPONSE_SEND"; + +} // namespace tcp +} // namespace isc + +namespace { + +const char* values[] = { + "MT_TCP_LISTENER_MGR_STARTED", "MtTcpListenerMgr started with %1 threads, listening on %2:%3, use TLS: %4", + "MT_TCP_LISTENER_MGR_STOPPED", "MtTcpListenerMgr for %1:%2 stopped.", + "MT_TCP_LISTENER_MGR_STOPPING", "Stopping MtTcpListenerMgr for %1:%2", + "TCP_CLIENT_REQUEST_RECEIVED", "received TCP request from %1", + "TCP_CONNECTION_CLOSE_CALLBACK_FAILED", "Connection close callback threw an exception", + "TCP_CONNECTION_REJECTED_BY_FILTER", "connection from %1 has been denied by the connection filter.", + "TCP_CONNECTION_SHUTDOWN", "shutting down TCP connection from %1", + "TCP_CONNECTION_SHUTDOWN_FAILED", "shutting down TCP connection failed", + "TCP_CONNECTION_STOP", "stopping TCP connection from %1", + "TCP_CONNECTION_STOP_FAILED", "stopping TCP connection failed", + "TCP_DATA_RECEIVED", "received %1 bytes from %2", + "TCP_DATA_SENT", "send %1 bytes to %2", + "TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED", "closing connection with %1 as a result of a timeout", + "TCP_PREMATURE_CONNECTION_TIMEOUT_OCCURRED", "premature connection timeout occurred: in transaction ? %1, transid: %2, current_transid: %3", + "TCP_REQUEST_RECEIVED_FAILED", "An unexpected error occurred processing a request from %1, error: %2", + "TCP_REQUEST_RECEIVE_START", "start receiving request from %1 with timeout %2", + "TCP_SERVER_RESPONSE_SEND", "sending TCP response to %1", + "TCP_SERVER_RESPONSE_SEND_DETAILS", "detailed information about response sent to %1:\n%2", + "TLS_CONNECTION_HANDSHAKE_FAILED", "TLS handshake with %1 failed with %2", + "TLS_CONNECTION_HANDSHAKE_START", "start TLS handshake with %1 with timeout %2", + "TLS_REQUEST_RECEIVE_START", "start receiving request from %1 with timeout %2", + "TLS_SERVER_RESPONSE_SEND", "sending TLS response to %1", + NULL +}; + +const isc::log::MessageInitializer initializer(values); + +} // Anonymous namespace + diff --git a/src/lib/tcp/tcp_messages.h b/src/lib/tcp/tcp_messages.h new file mode 100644 index 0000000..7dc458c --- /dev/null +++ b/src/lib/tcp/tcp_messages.h @@ -0,0 +1,37 @@ +// File created from ../../../src/lib/tcp/tcp_messages.mes + +#ifndef TCP_MESSAGES_H +#define TCP_MESSAGES_H + +#include <log/message_types.h> + +namespace isc { +namespace tcp { + +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STARTED; +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STOPPED; +extern const isc::log::MessageID MT_TCP_LISTENER_MGR_STOPPING; +extern const isc::log::MessageID TCP_CLIENT_REQUEST_RECEIVED; +extern const isc::log::MessageID TCP_CONNECTION_CLOSE_CALLBACK_FAILED; +extern const isc::log::MessageID TCP_CONNECTION_REJECTED_BY_FILTER; +extern const isc::log::MessageID TCP_CONNECTION_SHUTDOWN; +extern const isc::log::MessageID TCP_CONNECTION_SHUTDOWN_FAILED; +extern const isc::log::MessageID TCP_CONNECTION_STOP; +extern const isc::log::MessageID TCP_CONNECTION_STOP_FAILED; +extern const isc::log::MessageID TCP_DATA_RECEIVED; +extern const isc::log::MessageID TCP_DATA_SENT; +extern const isc::log::MessageID TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED; +extern const isc::log::MessageID TCP_PREMATURE_CONNECTION_TIMEOUT_OCCURRED; +extern const isc::log::MessageID TCP_REQUEST_RECEIVED_FAILED; +extern const isc::log::MessageID TCP_REQUEST_RECEIVE_START; +extern const isc::log::MessageID TCP_SERVER_RESPONSE_SEND; +extern const isc::log::MessageID TCP_SERVER_RESPONSE_SEND_DETAILS; +extern const isc::log::MessageID TLS_CONNECTION_HANDSHAKE_FAILED; +extern const isc::log::MessageID TLS_CONNECTION_HANDSHAKE_START; +extern const isc::log::MessageID TLS_REQUEST_RECEIVE_START; +extern const isc::log::MessageID TLS_SERVER_RESPONSE_SEND; + +} // namespace tcp +} // namespace isc + +#endif // TCP_MESSAGES_H diff --git a/src/lib/tcp/tcp_messages.mes b/src/lib/tcp/tcp_messages.mes new file mode 100644 index 0000000..3deb0a5 --- /dev/null +++ b/src/lib/tcp/tcp_messages.mes @@ -0,0 +1,122 @@ +# Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +$NAMESPACE isc::tcp + +% MT_TCP_LISTENER_MGR_STARTED MtTcpListenerMgr started with %1 threads, listening on %2:%3, use TLS: %4 +This debug messages is issued when an MtTcpListenerMgr has been started to +accept connections. Arguments detail the number of threads that the listener +is using, the address and port at which it is listening, and if TLS is used +or not. + +% MT_TCP_LISTENER_MGR_STOPPED MtTcpListenerMgr for %1:%2 stopped. +This debug messages is issued when the MtTcpListenerMgr, listening +at the given address and port, has completed shutdown. + +% MT_TCP_LISTENER_MGR_STOPPING Stopping MtTcpListenerMgr for %1:%2 +This debug messages is issued when the MtTcpListenerMgr, listening +at the given address and port, has begun to shutdown. + +% TCP_CLIENT_REQUEST_RECEIVED received TCP request from %1 +This debug message is issued when the server finished receiving a TCP +request from the remote endpoint. The address of the remote endpoint is +specified as an argument. + +% TCP_CONNECTION_CLOSE_CALLBACK_FAILED Connection close callback threw an exception +This is an error message emitted when the close connection callback +registered on the connection failed unexpectedly. This is a programmatic +error that should be submitted as a bug. + +% TCP_CONNECTION_REJECTED_BY_FILTER connection from %1 has been denied by the connection filter. +This debug message is issued when the server's connection filter rejects +a new connection based on the client's ip address. + +% TCP_CONNECTION_SHUTDOWN shutting down TCP connection from %1 +This debug message is issued when one of the TCP connections is shut down. +The connection can be stopped as a result of an error or after the +successful message exchange with a client. + +% TCP_CONNECTION_SHUTDOWN_FAILED shutting down TCP connection failed +This error message is issued when an error occurred during shutting down +a TCP connection with a client. + +% TCP_CONNECTION_STOP stopping TCP connection from %1 +This debug message is issued when one of the TCP connections is stopped. +The connection can be stopped as a result of an error or after the +successful message exchange with a client. + +% TCP_CONNECTION_STOP_FAILED stopping TCP connection failed +This error message is issued when an error occurred during closing a +TCP connection with a client. + +% TCP_DATA_RECEIVED received %1 bytes from %2 +This debug message is issued when the server receives a chunk of data from +the remote endpoint. This may include the whole request or only a part +of the request. The first argument specifies the amount of received data. +The second argument specifies an address of the remote endpoint which +produced the data. + +% TCP_DATA_SENT send %1 bytes to %2 +This debug message is issued when the server sends a chunk of data to +the remote endpoint. This may include the whole response or only a part +of the response. The first argument specifies the amount of sent data. +The second argument specifies an address of the remote endpoint. + +% TCP_IDLE_CONNECTION_TIMEOUT_OCCURRED closing connection with %1 as a result of a timeout +This debug message is issued when the TCP connection is being closed as a +result of being idle. + +% TCP_PREMATURE_CONNECTION_TIMEOUT_OCCURRED premature connection timeout occurred: in transaction ? %1, transid: %2, current_transid: %3 +This warning message is issued when unexpected timeout occurred during the +transaction. This is proven to occur when the system clock is moved manually +or as a result of synchronization with a time server. Any ongoing transactions +will be interrupted. New transactions should be conducted normally. + +% TCP_REQUEST_RECEIVED_FAILED An unexpected error occurred processing a request from %1, error: %2 +This error message is issued when an unexpected error occurred while the +server attempted to process a received request. The first argument specifies +the address of the remote endpoint. The second argument describes the nature +error. + +% TCP_REQUEST_RECEIVE_START start receiving request from %1 with timeout %2 +This debug message is issued when the server starts receiving new request +over the established connection. The first argument specifies the address +of the remote endpoint. The second argument specifies request timeout in +seconds. + +% TCP_SERVER_RESPONSE_SEND sending TCP response to %1 +This debug message is issued when the server is starting to send a TCP +response to a remote endpoint. The argument specifies an address of +the remote endpoint. + +% TCP_SERVER_RESPONSE_SEND_DETAILS detailed information about response sent to %1:\n%2 +This debug message is issued right before the server sends a TCP response +to the client. It includes detailed information about the response. The +first argument specifies an address of the remote endpoint to which the +response is being sent. The second argument provides a response in the +textual form. The response is truncated by the logger if it is too large +to be printed. + +% TLS_CONNECTION_HANDSHAKE_FAILED TLS handshake with %1 failed with %2 +This information message is issued when the TLS handshake failed at the +server side. The client address and the error message are displayed. + +% TLS_CONNECTION_HANDSHAKE_START start TLS handshake with %1 with timeout %2 +This debug message is issued when the server starts the TLS handshake +with the remote endpoint. The first argument specifies the address +of the remote endpoint. The second argument specifies request timeout in +seconds. + +% TLS_REQUEST_RECEIVE_START start receiving request from %1 with timeout %2 +This debug message is issued when the server starts receiving new request +over the established connection. The first argument specifies the address +of the remote endpoint. The second argument specifies request timeout in +seconds. + +% TLS_SERVER_RESPONSE_SEND sending TLS response to %1 +This debug message is issued when the server is starting to send a TLS +response to a remote endpoint. The argument specifies an address of +the remote endpoint. diff --git a/src/lib/tcp/tcp_stream_msg.cc b/src/lib/tcp/tcp_stream_msg.cc new file mode 100644 index 0000000..89fd5e8 --- /dev/null +++ b/src/lib/tcp/tcp_stream_msg.cc @@ -0,0 +1,127 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <tcp/tcp_stream_msg.h> +#include <util/strutil.h> + +#include <iomanip> +#include <sstream> +#include <functional> + +namespace isc { +namespace tcp { + +bool +TcpStreamRequest::needData() const { + return (!expected_size_ || (wire_data_.size() < expected_size_)); +} + +size_t +TcpStreamRequest::postBuffer(const void* buf, const size_t nbytes) { + if (!nbytes) { + // Nothing to do. + return (0); + } + + const char* bufptr = static_cast<const char*>(buf); + size_t bytes_left = nbytes; + size_t wire_size = wire_data_.size(); + size_t bytes_used = 0; + while (bytes_left) { + if (expected_size_) { + // We have the length, copy as much of what we still need as we can. + size_t need_bytes = expected_size_ - wire_size; + size_t copy_bytes = (need_bytes <= bytes_left ? need_bytes : bytes_left); + wire_data_.insert(wire_data_.end(), bufptr, bufptr + copy_bytes); + // bytes_left -= copy_bytes; // Since we break, we don't need to do this anymore. + bytes_used += copy_bytes; + break; + } + + // Otherwise we don't know the length yet. + while (wire_size < 2 && bytes_left) { + wire_data_.push_back(*bufptr); + ++bufptr; + --bytes_left; + ++bytes_used; + ++wire_size; + } + + // If we have enough to do it, calculate the expected length. + if (wire_size == 2 ) { + const uint8_t* cp = static_cast<const uint8_t*>(wire_data_.data()); + uint16_t len = static_cast<unsigned int>(cp[0]) << 8; + len |= static_cast<unsigned int>(cp[1]); + expected_size_ = len + sizeof(len); + } + } + + // Return how much we used. + return (bytes_used); +} + +std::string +TcpStreamRequest::logFormatRequest(const size_t limit) const { + std::stringstream output; + try { + size_t max = (limit && (limit < wire_data_.size()) ? limit : wire_data_.size()); + output << "expected_size_: " << expected_size_ << ", current size: " << wire_data_.size() + << ", data: " + << isc::util::str::dumpAsHex(wire_data_.data(), max); + } catch (const std::exception& ex) { + std::stringstream output; + output << "logFormatRequest error: " << ex.what(); + } + + return (output.str()); +} + +void TcpStreamRequest::unpack() { + if (needData()) { + isc_throw(InvalidOperation, "Cannot unpack an incomplete request"); + } + + if (wire_data_.size() < sizeof(uint16_t)) { + isc_throw(Unexpected, "Request is malformed, too short"); + } + + request_ = std::vector<uint8_t>(wire_data_.begin() + sizeof(uint16_t), wire_data_.end()); +} + +void +TcpStreamResponse::setResponseData(const uint8_t* data, size_t length) { + response_.assign(data, data + length); +} + +void +TcpStreamResponse::appendResponseData(const uint8_t* data, size_t length) { + response_.insert(response_.end(), data, data + length); +} + +void +TcpStreamResponse::setResponseData(const std::string& str) { + response_.assign(str.begin(), str.end()); +} + +void +TcpStreamResponse::appendResponseData(const std::string& str) { + response_.insert(response_.end(), str.begin(), str.end()); +} + +void +TcpStreamResponse::pack() { + wire_data_.clear(); + // Prepend the length of the request. + uint16_t size = static_cast<uint16_t>(response_.size()); + wire_data_.push_back(static_cast<uint8_t>((size & 0xff00U) >> 8)); + wire_data_.push_back(static_cast<uint8_t>(size & 0x00ffU)); + wire_data_.insert(wire_data_.end(), response_.begin(), response_.end()); +} + +} // end of namespace isc::tcp +} // end of namespace isc diff --git a/src/lib/tcp/tcp_stream_msg.h b/src/lib/tcp/tcp_stream_msg.h new file mode 100644 index 0000000..9953749 --- /dev/null +++ b/src/lib/tcp/tcp_stream_msg.h @@ -0,0 +1,151 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_STREAM_MSG_H +#define TCP_STREAM_MSG_H + +#include <tcp/tcp_connection.h> +#include <boost/shared_ptr.hpp> + +#include <array> +#include <functional> +#include <string> + +namespace isc { +namespace tcp { + +/// @brief Implement a simple length:data input stream message. +/// +/// This class can be used to receive a single message from a TCP +/// stream where the message consists of a 16-bit unsigned length (in +/// network order), followed by that number of bytes of data. +class TcpStreamRequest : public TcpRequest { +public: + /// @brief Constructor. + TcpStreamRequest() : expected_size_(0) { + } + + /// @brief Destructor + virtual ~TcpStreamRequest() { + } + + /// @brief Adds data to an incomplete request + /// + /// @param buf A pointer to the buffer holding the data. + /// @param nbytes Size of the data within the buffer. + /// @return number of bytes posted (consumed) + virtual size_t postBuffer(const void* buf, const size_t nbytes); + + /// @brief Returns true if the request is incomplete. + /// + /// @return true if the request is incomplete. + virtual bool needData() const; + + /// @brief Returns request contents formatted for log output + /// + /// @param limit Maximum length of the buffer to be output. If the limit + /// is 0, the length of the output is unlimited. + /// @return Textual representation of the input buffer. + virtual std::string logFormatRequest(const size_t limit = 0) const; + + /// @brief Unpacks the wire data into a string request. + virtual void unpack(); + + /// @brief Returns size of the unpacked request. + size_t getRequestSize() const { + return (request_.size()); + } + + /// @brief Returns pointer to the first byte of the unpacked request data. + /// + /// @return Constant raw pointer to the data. + /// @throw InvalidOperation if request data is empty (i.e. getRequestSize() == 0). + const uint8_t* getRequest() const { + if (request_.empty()) { + isc_throw(InvalidOperation, "TcpStreamRequest::getRequest()" + " - cannot access empty request"); + } + + return (request_.data()); + } + + /// @brief Fetches the unpacked request as a string. + /// + /// @return String containing the unpacked contents. + std::string getRequestString() const { + return (std::string(request_.begin(), request_.end())); + }; + +protected: + /// @brief Unpacked request content + std::vector<uint8_t> request_; + +private: + /// @brief Expected size of the current message. + size_t expected_size_; +}; + +/// @brief Pointer to a TcpStreamRequest. +typedef boost::shared_ptr<TcpStreamRequest> TcpStreamRequestPtr; + +/// @brief Implements a simple length:data output stream message. +/// +/// This class can be used to send a single message on a TCP +/// stream where the message consists of a 16-bit unsigned length (in +/// network order), followed by that number of bytes of data. +class TcpStreamResponse : public TcpResponse { +public: + /// @brief Constructor. + TcpStreamResponse() {}; + + /// @brief Destructor. + virtual ~TcpStreamResponse() {}; + + /// @brief Replaces the response content . + /// + /// @param data New contents for the output buffer. + /// @param length Length of the contents to add. + virtual void setResponseData(const uint8_t* data, size_t length); + + /// @brief Appends a data to the response content. + /// + /// @param data Data to append to the response. + /// @param length Length of the contents to add. + virtual void appendResponseData(const uint8_t* data, size_t length); + + /// @brief Replaces the response content from a string. + /// + /// @param str New contents for the output buffer. + virtual void setResponseData(const std::string& str); + + /// @brief Appends a string to the response content. + /// + /// @param str contents to add to the output buffer. + virtual void appendResponseData(const std::string& str); + + /// @brief Packs the response content into wire data buffer. + virtual void pack(); + + /// @brief Fetches the unpacked response as a string. + /// + /// @return String containing the unpacked contents. + std::string getResponseString() const { + return (std::string(response_.begin(), response_.end())); + }; + +private: + /// @brief Unpacked response data to send. + std::vector<uint8_t> response_; + +}; + +/// @brief Pointer to a TcpStreamResponse. +typedef boost::shared_ptr<TcpStreamResponse> TcpStreamResponsePtr; + +} // end of namespace isc::tcp +} // end of namespace isc + +#endif // TCP_STREAM_MSG_H diff --git a/src/lib/tcp/tests/Makefile.am b/src/lib/tcp/tests/Makefile.am new file mode 100644 index 0000000..fd06ef4 --- /dev/null +++ b/src/lib/tcp/tests/Makefile.am @@ -0,0 +1,57 @@ +AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib +AM_CPPFLAGS += $(BOOST_INCLUDES) $(CRYPTO_CFLAGS) $(CRYPTO_INCLUDES) +AM_CPPFLAGS += -DTEST_CA_DIR=\"$(abs_srcdir)/../../asiolink/testutils/ca\" + +AM_CXXFLAGS = $(KEA_CXXFLAGS) + +if USE_STATIC_LINK +AM_LDFLAGS = -static +endif + +CLEANFILES = *.gcno *.gcda test-socket + +DISTCLEANFILES = + +noinst_SCRIPTS = + +TESTS_ENVIRONMENT = $(LIBTOOL) --mode=execute $(VALGRIND_COMMAND) + +TESTS = +if HAVE_GTEST +TESTS += run_unittests +run_unittests_SOURCES = run_unittests.cc +run_unittests_SOURCES += tcp_test_client.h tcp_test_listener.h +run_unittests_SOURCES += tcp_listener_unittests.cc +run_unittests_SOURCES += mt_tcp_listener_mgr_unittests.cc + +if HAVE_OPENSSL +run_unittests_SOURCES += tls_listener_unittests.cc +endif +if HAVE_BOTAN_BOOST +run_unittests_SOURCES += tls_listener_unittests.cc +endif + +run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES) + +run_unittests_LDADD = $(top_builddir)/src/lib/tcp/libkea-tcp.la +run_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la +run_unittests_LDADD += $(top_builddir)/src/lib/asiolink/testutils/libasiolinktest.la +run_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la +run_unittests_LDADD += $(top_builddir)/src/lib/log/libkea-log.la +run_unittests_LDADD += $(top_builddir)/src/lib/util/unittests/libutil_unittests.la +run_unittests_LDADD += $(top_builddir)/src/lib/util/libkea-util.la +run_unittests_LDADD += $(top_builddir)/src/lib/exceptions/libkea-exceptions.la +run_unittests_LDADD += $(LOG4CPLUS_LIBS) $(BOOST_LIBS) $(CRYPTO_LIBS) +run_unittests_LDADD += $(GTEST_LDADD) + +run_unittests_LDFLAGS = $(AM_LDFLAGS) $(CRYPTO_LDFLAGS) $(GTEST_LDFLAGS) + +# Note: the ordering matters: -Wno-... must follow -Wextra (defined in +# KEA_CXXFLAGS) +run_unittests_CXXFLAGS = $(AM_CXXFLAGS) +if USE_GXX +run_unittests_CXXFLAGS += -Wno-unused-parameter -Wno-unused-private-field +endif +endif + +noinst_PROGRAMS = $(TESTS) diff --git a/src/lib/tcp/tests/Makefile.in b/src/lib/tcp/tests/Makefile.in new file mode 100644 index 0000000..2713f70 --- /dev/null +++ b/src/lib/tcp/tests/Makefile.in @@ -0,0 +1,970 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; continue; }; \ + case $$flg in \ + *=*|--*) continue;; \ + -*I) strip_trailopt 'I'; skip_next=yes;; \ + -*I?*) strip_trailopt 'I';; \ + -*O) strip_trailopt 'O'; skip_next=yes;; \ + -*O?*) strip_trailopt 'O';; \ + -*l) strip_trailopt 'l'; skip_next=yes;; \ + -*l?*) strip_trailopt 'l';; \ + -[dEDm]) skip_next=yes;; \ + -[JT]) skip_next=yes;; \ + esac; \ + case $$flg in \ + *$$target_option*) has_opt=yes; break;; \ + esac; \ + done; \ + test $$has_opt = yes +am__make_dryrun = (target_option=n; $(am__make_running_with_option)) +am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +TESTS = $(am__EXEEXT_1) +@HAVE_GTEST_TRUE@am__append_1 = run_unittests +@HAVE_GTEST_TRUE@@HAVE_OPENSSL_TRUE@am__append_2 = tls_listener_unittests.cc +@HAVE_BOTAN_BOOST_TRUE@@HAVE_GTEST_TRUE@am__append_3 = tls_listener_unittests.cc +@HAVE_GTEST_TRUE@@USE_GXX_TRUE@am__append_4 = -Wno-unused-parameter -Wno-unused-private-field +noinst_PROGRAMS = $(am__EXEEXT_2) +subdir = src/lib/tcp/tests +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4macros/ax_boost_for_kea.m4 \ + $(top_srcdir)/m4macros/ax_cpp11.m4 \ + $(top_srcdir)/m4macros/ax_cpp20.m4 \ + $(top_srcdir)/m4macros/ax_crypto.m4 \ + $(top_srcdir)/m4macros/ax_find_library.m4 \ + $(top_srcdir)/m4macros/ax_gssapi.m4 \ + $(top_srcdir)/m4macros/ax_gtest.m4 \ + $(top_srcdir)/m4macros/ax_isc_rpath.m4 \ + $(top_srcdir)/m4macros/ax_netconf.m4 \ + $(top_srcdir)/m4macros/libtool.m4 \ + $(top_srcdir)/m4macros/ltoptions.m4 \ + $(top_srcdir)/m4macros/ltsugar.m4 \ + $(top_srcdir)/m4macros/ltversion.m4 \ + $(top_srcdir)/m4macros/lt~obsolete.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +@HAVE_GTEST_TRUE@am__EXEEXT_1 = run_unittests$(EXEEXT) +am__EXEEXT_2 = $(am__EXEEXT_1) +PROGRAMS = $(noinst_PROGRAMS) +am__run_unittests_SOURCES_DIST = run_unittests.cc tcp_test_client.h \ + tcp_test_listener.h tcp_listener_unittests.cc \ + mt_tcp_listener_mgr_unittests.cc tls_listener_unittests.cc +@HAVE_GTEST_TRUE@@HAVE_OPENSSL_TRUE@am__objects_1 = run_unittests-tls_listener_unittests.$(OBJEXT) +@HAVE_BOTAN_BOOST_TRUE@@HAVE_GTEST_TRUE@am__objects_2 = run_unittests-tls_listener_unittests.$(OBJEXT) +@HAVE_GTEST_TRUE@am_run_unittests_OBJECTS = \ +@HAVE_GTEST_TRUE@ run_unittests-run_unittests.$(OBJEXT) \ +@HAVE_GTEST_TRUE@ run_unittests-tcp_listener_unittests.$(OBJEXT) \ +@HAVE_GTEST_TRUE@ run_unittests-mt_tcp_listener_mgr_unittests.$(OBJEXT) \ +@HAVE_GTEST_TRUE@ $(am__objects_1) $(am__objects_2) +run_unittests_OBJECTS = $(am_run_unittests_OBJECTS) +am__DEPENDENCIES_1 = +@HAVE_GTEST_TRUE@run_unittests_DEPENDENCIES = \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/tcp/libkea-tcp.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/cc/libkea-cc.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/asiolink/testutils/libasiolinktest.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/asiolink/libkea-asiolink.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/log/libkea-log.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/util/unittests/libutil_unittests.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/util/libkea-util.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/exceptions/libkea-exceptions.la \ +@HAVE_GTEST_TRUE@ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \ +@HAVE_GTEST_TRUE@ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) +AM_V_lt = $(am__v_lt_@AM_V@) +am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@) +am__v_lt_0 = --silent +am__v_lt_1 = +run_unittests_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX \ + $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CXXLD) \ + $(run_unittests_CXXFLAGS) $(CXXFLAGS) $(run_unittests_LDFLAGS) \ + $(LDFLAGS) -o $@ +SCRIPTS = $(noinst_SCRIPTS) +AM_V_P = $(am__v_P_@AM_V@) +am__v_P_ = $(am__v_P_@AM_DEFAULT_V@) +am__v_P_0 = false +am__v_P_1 = : +AM_V_GEN = $(am__v_GEN_@AM_V@) +am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@) +am__v_GEN_0 = @echo " GEN " $@; +am__v_GEN_1 = +AM_V_at = $(am__v_at_@AM_V@) +am__v_at_ = $(am__v_at_@AM_DEFAULT_V@) +am__v_at_0 = @ +am__v_at_1 = +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__maybe_remake_depfiles = depfiles +am__depfiles_remade = \ + ./$(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po \ + ./$(DEPDIR)/run_unittests-run_unittests.Po \ + ./$(DEPDIR)/run_unittests-tcp_listener_unittests.Po \ + ./$(DEPDIR)/run_unittests-tls_listener_unittests.Po +am__mv = mv -f +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +LTCXXCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) \ + $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \ + $(AM_CXXFLAGS) $(CXXFLAGS) +AM_V_CXX = $(am__v_CXX_@AM_V@) +am__v_CXX_ = $(am__v_CXX_@AM_DEFAULT_V@) +am__v_CXX_0 = @echo " CXX " $@; +am__v_CXX_1 = +CXXLD = $(CXX) +CXXLINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \ + $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@ +AM_V_CXXLD = $(am__v_CXXLD_@AM_V@) +am__v_CXXLD_ = $(am__v_CXXLD_@AM_DEFAULT_V@) +am__v_CXXLD_0 = @echo " CXXLD " $@; +am__v_CXXLD_1 = +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \ + $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \ + $(AM_CFLAGS) $(CFLAGS) +AM_V_CC = $(am__v_CC_@AM_V@) +am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@) +am__v_CC_0 = @echo " CC " $@; +am__v_CC_1 = +CCLD = $(CC) +LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + $(AM_LDFLAGS) $(LDFLAGS) -o $@ +AM_V_CCLD = $(am__v_CCLD_@AM_V@) +am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@) +am__v_CCLD_0 = @echo " CCLD " $@; +am__v_CCLD_1 = +SOURCES = $(run_unittests_SOURCES) +DIST_SOURCES = $(am__run_unittests_SOURCES_DIST) +am__can_run_installinfo = \ + case $$AM_UPDATE_INFO_DIR in \ + n|no|NO) false;; \ + *) (install-info --version) >/dev/null 2>&1;; \ + esac +am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP) +# Read a list of newline-separated strings from the standard input, +# and print each of them once, without duplicates. Input order is +# *not* preserved. +am__uniquify_input = $(AWK) '\ + BEGIN { nonempty = 0; } \ + { items[$$0] = 1; nonempty = 1; } \ + END { if (nonempty) { for (i in items) print i; }; } \ +' +# Make sure the list of sources is unique. This is necessary because, +# e.g., the same source file might be shared among _SOURCES variables +# for different programs/libraries. +am__define_uniq_tagged_files = \ + list='$(am__tagged_files)'; \ + unique=`for i in $$list; do \ + if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \ + done | $(am__uniquify_input)` +ETAGS = etags +CTAGS = ctags +am__tty_colors_dummy = \ + mgn= red= grn= lgn= blu= brg= std=; \ + am__color_tests=no +am__tty_colors = { \ + $(am__tty_colors_dummy); \ + if test "X$(AM_COLOR_TESTS)" = Xno; then \ + am__color_tests=no; \ + elif test "X$(AM_COLOR_TESTS)" = Xalways; then \ + am__color_tests=yes; \ + elif test "X$$TERM" != Xdumb && { test -t 1; } 2>/dev/null; then \ + am__color_tests=yes; \ + fi; \ + if test $$am__color_tests = yes; then \ + red='[0;31m'; \ + grn='[0;32m'; \ + lgn='[1;32m'; \ + blu='[1;34m'; \ + mgn='[0;35m'; \ + brg='[1m'; \ + std='[m'; \ + fi; \ +} +am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +ACLOCAL = @ACLOCAL@ +AMTAR = @AMTAR@ +AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@ +AR = @AR@ +ASCIIDOC = @ASCIIDOC@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +BOOST_INCLUDES = @BOOST_INCLUDES@ +BOOST_LIBS = @BOOST_LIBS@ +BOTAN_TOOL = @BOTAN_TOOL@ +CC = @CC@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CONTRIB_DIR = @CONTRIB_DIR@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CRYPTO_CFLAGS = @CRYPTO_CFLAGS@ +CRYPTO_INCLUDES = @CRYPTO_INCLUDES@ +CRYPTO_LDFLAGS = @CRYPTO_LDFLAGS@ +CRYPTO_LIBS = @CRYPTO_LIBS@ +CRYPTO_PACKAGE = @CRYPTO_PACKAGE@ +CRYPTO_RPATH = @CRYPTO_RPATH@ +CXX = @CXX@ +CXXCPP = @CXXCPP@ +CXXDEPMODE = @CXXDEPMODE@ +CXXFLAGS = @CXXFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +DISTCHECK_BOOST_CONFIGURE_FLAG = @DISTCHECK_BOOST_CONFIGURE_FLAG@ +DISTCHECK_CONTRIB_CONFIGURE_FLAG = @DISTCHECK_CONTRIB_CONFIGURE_FLAG@ +DISTCHECK_CRYPTO_CONFIGURE_FLAG = @DISTCHECK_CRYPTO_CONFIGURE_FLAG@ +DISTCHECK_GSSAPI_CONFIGURE_FLAG = @DISTCHECK_GSSAPI_CONFIGURE_FLAG@ +DISTCHECK_GTEST_CONFIGURE_FLAG = @DISTCHECK_GTEST_CONFIGURE_FLAG@ +DISTCHECK_KEA_SHELL_CONFIGURE_FLAG = @DISTCHECK_KEA_SHELL_CONFIGURE_FLAG@ +DISTCHECK_LIBYANGCPP_CONFIGURE_FLAG = @DISTCHECK_LIBYANGCPP_CONFIGURE_FLAG@ +DISTCHECK_LIBYANG_CONFIGURE_FLAG = @DISTCHECK_LIBYANG_CONFIGURE_FLAG@ +DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG = @DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG@ +DISTCHECK_MYSQL_CONFIGURE_FLAG = @DISTCHECK_MYSQL_CONFIGURE_FLAG@ +DISTCHECK_PERFDHCP_CONFIGURE_FLAG = @DISTCHECK_PERFDHCP_CONFIGURE_FLAG@ +DISTCHECK_PGSQL_CONFIGURE_FLAG = @DISTCHECK_PGSQL_CONFIGURE_FLAG@ +DISTCHECK_PREMIUM_CONFIGURE_FLAG = @DISTCHECK_PREMIUM_CONFIGURE_FLAG@ +DISTCHECK_SYSREPOCPP_CONFIGURE_FLAG = @DISTCHECK_SYSREPOCPP_CONFIGURE_FLAG@ +DISTCHECK_SYSREPO_CONFIGURE_FLAG = @DISTCHECK_SYSREPO_CONFIGURE_FLAG@ +DLLTOOL = @DLLTOOL@ +DSYMUTIL = @DSYMUTIL@ +DUMPBIN = @DUMPBIN@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +FGREP = @FGREP@ +GENHTML = @GENHTML@ +GREP = @GREP@ +GSSAPI_CFLAGS = @GSSAPI_CFLAGS@ +GSSAPI_LIBS = @GSSAPI_LIBS@ +GTEST_CONFIG = @GTEST_CONFIG@ +GTEST_INCLUDES = @GTEST_INCLUDES@ +GTEST_LDADD = @GTEST_LDADD@ +GTEST_LDFLAGS = @GTEST_LDFLAGS@ +GTEST_SOURCE = @GTEST_SOURCE@ +HAVE_NETCONF = @HAVE_NETCONF@ +INSTALL = @INSTALL@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +KEA_CXXFLAGS = @KEA_CXXFLAGS@ +KEA_SRCID = @KEA_SRCID@ +KRB5_CONFIG = @KRB5_CONFIG@ +LCOV = @LCOV@ +LD = @LD@ +LDFLAGS = @LDFLAGS@ +LEX = @LEX@ +LEXLIB = @LEXLIB@ +LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LIBTOOL = @LIBTOOL@ +LIBYANGCPP_CPPFLAGS = @LIBYANGCPP_CPPFLAGS@ +LIBYANGCPP_INCLUDEDIR = @LIBYANGCPP_INCLUDEDIR@ +LIBYANGCPP_LIBS = @LIBYANGCPP_LIBS@ +LIBYANGCPP_PREFIX = @LIBYANGCPP_PREFIX@ +LIBYANGCPP_VERSION = @LIBYANGCPP_VERSION@ +LIBYANG_CPPFLAGS = @LIBYANG_CPPFLAGS@ +LIBYANG_INCLUDEDIR = @LIBYANG_INCLUDEDIR@ +LIBYANG_LIBS = @LIBYANG_LIBS@ +LIBYANG_PREFIX = @LIBYANG_PREFIX@ +LIBYANG_VERSION = @LIBYANG_VERSION@ +LIPO = @LIPO@ +LN_S = @LN_S@ +LOG4CPLUS_INCLUDES = @LOG4CPLUS_INCLUDES@ +LOG4CPLUS_LIBS = @LOG4CPLUS_LIBS@ +LTLIBOBJS = @LTLIBOBJS@ +LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@ +MAKEINFO = @MAKEINFO@ +MANIFEST_TOOL = @MANIFEST_TOOL@ +MKDIR_P = @MKDIR_P@ +MYSQL_CPPFLAGS = @MYSQL_CPPFLAGS@ +MYSQL_LIBS = @MYSQL_LIBS@ +NM = @NM@ +NMEDIT = @NMEDIT@ +OBJDUMP = @OBJDUMP@ +OBJEXT = @OBJEXT@ +OTOOL = @OTOOL@ +OTOOL64 = @OTOOL64@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_URL = @PACKAGE_URL@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PACKAGE_VERSION_TYPE = @PACKAGE_VERSION_TYPE@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PDFLATEX = @PDFLATEX@ +PERL = @PERL@ +PGSQL_CPPFLAGS = @PGSQL_CPPFLAGS@ +PGSQL_LIBS = @PGSQL_LIBS@ +PKGPYTHONDIR = @PKGPYTHONDIR@ +PKG_CONFIG = @PKG_CONFIG@ +PLANTUML = @PLANTUML@ +PREMIUM_DIR = @PREMIUM_DIR@ +PYTHON = @PYTHON@ +PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@ +PYTHON_PLATFORM = @PYTHON_PLATFORM@ +PYTHON_PREFIX = @PYTHON_PREFIX@ +PYTHON_VERSION = @PYTHON_VERSION@ +RANLIB = @RANLIB@ +SED = @SED@ +SEP = @SEP@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +SPHINXBUILD = @SPHINXBUILD@ +SRPD_PLUGINS_PATH = @SRPD_PLUGINS_PATH@ +SR_PLUGINS_PATH = @SR_PLUGINS_PATH@ +SR_REPO_PATH = @SR_REPO_PATH@ +STRIP = @STRIP@ +SYSREPOCPP_CPPFLAGS = @SYSREPOCPP_CPPFLAGS@ +SYSREPOCPP_INCLUDEDIR = @SYSREPOCPP_INCLUDEDIR@ +SYSREPOCPP_LIBS = @SYSREPOCPP_LIBS@ +SYSREPOCPP_PREFIX = @SYSREPOCPP_PREFIX@ +SYSREPOCPP_VERSION = @SYSREPOCPP_VERSION@ +SYSREPO_CPPFLAGS = @SYSREPO_CPPFLAGS@ +SYSREPO_INCLUDEDIR = @SYSREPO_INCLUDEDIR@ +SYSREPO_LIBS = @SYSREPO_LIBS@ +SYSREPO_PREFIX = @SYSREPO_PREFIX@ +SYSREPO_VERSION = @SYSREPO_VERSION@ +USE_LCOV = @USE_LCOV@ +VALGRIND = @VALGRIND@ +VERSION = @VERSION@ +WARNING_GCC_44_STRICT_ALIASING_CFLAG = @WARNING_GCC_44_STRICT_ALIASING_CFLAG@ +YACC = @YACC@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_AR = @ac_ct_AR@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_CXX = @ac_ct_CXX@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +datadir = @datadir@ +datarootdir = @datarootdir@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +libdir = @libdir@ +libexecdir = @libexecdir@ +localedir = @localedir@ +localstatedir = @localstatedir@ +mandir = @mandir@ +mkdir_p = @mkdir_p@ +oldincludedir = @oldincludedir@ +pdfdir = @pdfdir@ +pkgpyexecdir = @pkgpyexecdir@ +pkgpythondir = @pkgpythondir@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +pyexecdir = @pyexecdir@ +pythondir = @pythondir@ +runstatedir = @runstatedir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib \ + $(BOOST_INCLUDES) $(CRYPTO_CFLAGS) $(CRYPTO_INCLUDES) \ + -DTEST_CA_DIR=\"$(abs_srcdir)/../../asiolink/testutils/ca\" +AM_CXXFLAGS = $(KEA_CXXFLAGS) +@USE_STATIC_LINK_TRUE@AM_LDFLAGS = -static +CLEANFILES = *.gcno *.gcda test-socket +DISTCLEANFILES = +noinst_SCRIPTS = +TESTS_ENVIRONMENT = $(LIBTOOL) --mode=execute $(VALGRIND_COMMAND) +@HAVE_GTEST_TRUE@run_unittests_SOURCES = run_unittests.cc \ +@HAVE_GTEST_TRUE@ tcp_test_client.h tcp_test_listener.h \ +@HAVE_GTEST_TRUE@ tcp_listener_unittests.cc \ +@HAVE_GTEST_TRUE@ mt_tcp_listener_mgr_unittests.cc \ +@HAVE_GTEST_TRUE@ $(am__append_2) $(am__append_3) +@HAVE_GTEST_TRUE@run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES) +@HAVE_GTEST_TRUE@run_unittests_LDADD = \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/tcp/libkea-tcp.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/cc/libkea-cc.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/asiolink/testutils/libasiolinktest.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/asiolink/libkea-asiolink.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/log/libkea-log.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/util/unittests/libutil_unittests.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/util/libkea-util.la \ +@HAVE_GTEST_TRUE@ $(top_builddir)/src/lib/exceptions/libkea-exceptions.la \ +@HAVE_GTEST_TRUE@ $(LOG4CPLUS_LIBS) $(BOOST_LIBS) \ +@HAVE_GTEST_TRUE@ $(CRYPTO_LIBS) $(GTEST_LDADD) +@HAVE_GTEST_TRUE@run_unittests_LDFLAGS = $(AM_LDFLAGS) $(CRYPTO_LDFLAGS) $(GTEST_LDFLAGS) + +# Note: the ordering matters: -Wno-... must follow -Wextra (defined in +# KEA_CXXFLAGS) +@HAVE_GTEST_TRUE@run_unittests_CXXFLAGS = $(AM_CXXFLAGS) \ +@HAVE_GTEST_TRUE@ $(am__append_4) +all: all-am + +.SUFFIXES: +.SUFFIXES: .cc .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/lib/tcp/tests/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --foreign src/lib/tcp/tests/Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +clean-noinstPROGRAMS: + @list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \ + echo " rm -f" $$list; \ + rm -f $$list || exit $$?; \ + test -n "$(EXEEXT)" || exit 0; \ + list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \ + echo " rm -f" $$list; \ + rm -f $$list + +run_unittests$(EXEEXT): $(run_unittests_OBJECTS) $(run_unittests_DEPENDENCIES) $(EXTRA_run_unittests_DEPENDENCIES) + @rm -f run_unittests$(EXEEXT) + $(AM_V_CXXLD)$(run_unittests_LINK) $(run_unittests_OBJECTS) $(run_unittests_LDADD) $(LIBS) + +mostlyclean-compile: + -rm -f *.$(OBJEXT) + +distclean-compile: + -rm -f *.tab.c + +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/run_unittests-run_unittests.Po@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/run_unittests-tcp_listener_unittests.Po@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/run_unittests-tls_listener_unittests.Po@am__quote@ # am--include-marker + +$(am__depfiles_remade): + @$(MKDIR_P) $(@D) + @echo '# dummy' >$@-t && $(am__mv) $@-t $@ + +am--depfiles: $(am__depfiles_remade) + +.cc.o: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $< + +.cc.obj: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'` + +.cc.lo: +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(LTCXXCOMPILE) -c -o $@ $< + +run_unittests-run_unittests.o: run_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-run_unittests.o -MD -MP -MF $(DEPDIR)/run_unittests-run_unittests.Tpo -c -o run_unittests-run_unittests.o `test -f 'run_unittests.cc' || echo '$(srcdir)/'`run_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-run_unittests.Tpo $(DEPDIR)/run_unittests-run_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='run_unittests.cc' object='run_unittests-run_unittests.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-run_unittests.o `test -f 'run_unittests.cc' || echo '$(srcdir)/'`run_unittests.cc + +run_unittests-run_unittests.obj: run_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-run_unittests.obj -MD -MP -MF $(DEPDIR)/run_unittests-run_unittests.Tpo -c -o run_unittests-run_unittests.obj `if test -f 'run_unittests.cc'; then $(CYGPATH_W) 'run_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/run_unittests.cc'; fi` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-run_unittests.Tpo $(DEPDIR)/run_unittests-run_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='run_unittests.cc' object='run_unittests-run_unittests.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-run_unittests.obj `if test -f 'run_unittests.cc'; then $(CYGPATH_W) 'run_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/run_unittests.cc'; fi` + +run_unittests-tcp_listener_unittests.o: tcp_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-tcp_listener_unittests.o -MD -MP -MF $(DEPDIR)/run_unittests-tcp_listener_unittests.Tpo -c -o run_unittests-tcp_listener_unittests.o `test -f 'tcp_listener_unittests.cc' || echo '$(srcdir)/'`tcp_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-tcp_listener_unittests.Tpo $(DEPDIR)/run_unittests-tcp_listener_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_listener_unittests.cc' object='run_unittests-tcp_listener_unittests.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-tcp_listener_unittests.o `test -f 'tcp_listener_unittests.cc' || echo '$(srcdir)/'`tcp_listener_unittests.cc + +run_unittests-tcp_listener_unittests.obj: tcp_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-tcp_listener_unittests.obj -MD -MP -MF $(DEPDIR)/run_unittests-tcp_listener_unittests.Tpo -c -o run_unittests-tcp_listener_unittests.obj `if test -f 'tcp_listener_unittests.cc'; then $(CYGPATH_W) 'tcp_listener_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/tcp_listener_unittests.cc'; fi` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-tcp_listener_unittests.Tpo $(DEPDIR)/run_unittests-tcp_listener_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tcp_listener_unittests.cc' object='run_unittests-tcp_listener_unittests.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-tcp_listener_unittests.obj `if test -f 'tcp_listener_unittests.cc'; then $(CYGPATH_W) 'tcp_listener_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/tcp_listener_unittests.cc'; fi` + +run_unittests-mt_tcp_listener_mgr_unittests.o: mt_tcp_listener_mgr_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-mt_tcp_listener_mgr_unittests.o -MD -MP -MF $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Tpo -c -o run_unittests-mt_tcp_listener_mgr_unittests.o `test -f 'mt_tcp_listener_mgr_unittests.cc' || echo '$(srcdir)/'`mt_tcp_listener_mgr_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Tpo $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='mt_tcp_listener_mgr_unittests.cc' object='run_unittests-mt_tcp_listener_mgr_unittests.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-mt_tcp_listener_mgr_unittests.o `test -f 'mt_tcp_listener_mgr_unittests.cc' || echo '$(srcdir)/'`mt_tcp_listener_mgr_unittests.cc + +run_unittests-mt_tcp_listener_mgr_unittests.obj: mt_tcp_listener_mgr_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-mt_tcp_listener_mgr_unittests.obj -MD -MP -MF $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Tpo -c -o run_unittests-mt_tcp_listener_mgr_unittests.obj `if test -f 'mt_tcp_listener_mgr_unittests.cc'; then $(CYGPATH_W) 'mt_tcp_listener_mgr_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/mt_tcp_listener_mgr_unittests.cc'; fi` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Tpo $(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='mt_tcp_listener_mgr_unittests.cc' object='run_unittests-mt_tcp_listener_mgr_unittests.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-mt_tcp_listener_mgr_unittests.obj `if test -f 'mt_tcp_listener_mgr_unittests.cc'; then $(CYGPATH_W) 'mt_tcp_listener_mgr_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/mt_tcp_listener_mgr_unittests.cc'; fi` + +run_unittests-tls_listener_unittests.o: tls_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-tls_listener_unittests.o -MD -MP -MF $(DEPDIR)/run_unittests-tls_listener_unittests.Tpo -c -o run_unittests-tls_listener_unittests.o `test -f 'tls_listener_unittests.cc' || echo '$(srcdir)/'`tls_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-tls_listener_unittests.Tpo $(DEPDIR)/run_unittests-tls_listener_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tls_listener_unittests.cc' object='run_unittests-tls_listener_unittests.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-tls_listener_unittests.o `test -f 'tls_listener_unittests.cc' || echo '$(srcdir)/'`tls_listener_unittests.cc + +run_unittests-tls_listener_unittests.obj: tls_listener_unittests.cc +@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -MT run_unittests-tls_listener_unittests.obj -MD -MP -MF $(DEPDIR)/run_unittests-tls_listener_unittests.Tpo -c -o run_unittests-tls_listener_unittests.obj `if test -f 'tls_listener_unittests.cc'; then $(CYGPATH_W) 'tls_listener_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/tls_listener_unittests.cc'; fi` +@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/run_unittests-tls_listener_unittests.Tpo $(DEPDIR)/run_unittests-tls_listener_unittests.Po +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='tls_listener_unittests.cc' object='run_unittests-tls_listener_unittests.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(run_unittests_CPPFLAGS) $(CPPFLAGS) $(run_unittests_CXXFLAGS) $(CXXFLAGS) -c -o run_unittests-tls_listener_unittests.obj `if test -f 'tls_listener_unittests.cc'; then $(CYGPATH_W) 'tls_listener_unittests.cc'; else $(CYGPATH_W) '$(srcdir)/tls_listener_unittests.cc'; fi` + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs + +ID: $(am__tagged_files) + $(am__define_uniq_tagged_files); mkid -fID $$unique +tags: tags-am +TAGS: tags + +tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files) + set x; \ + here=`pwd`; \ + $(am__define_uniq_tagged_files); \ + shift; \ + if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \ + test -n "$$unique" || unique=$$empty_fix; \ + if test $$# -gt 0; then \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + "$$@" $$unique; \ + else \ + $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \ + $$unique; \ + fi; \ + fi +ctags: ctags-am + +CTAGS: ctags +ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files) + $(am__define_uniq_tagged_files); \ + test -z "$(CTAGS_ARGS)$$unique" \ + || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \ + $$unique + +GTAGS: + here=`$(am__cd) $(top_builddir) && pwd` \ + && $(am__cd) $(top_srcdir) \ + && gtags -i $(GTAGS_ARGS) "$$here" +cscopelist: cscopelist-am + +cscopelist-am: $(am__tagged_files) + list='$(am__tagged_files)'; \ + case "$(srcdir)" in \ + [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \ + *) sdir=$(subdir)/$(srcdir) ;; \ + esac; \ + for i in $$list; do \ + if test -f "$$i"; then \ + echo "$(subdir)/$$i"; \ + else \ + echo "$$sdir/$$i"; \ + fi; \ + done >> $(top_builddir)/cscope.files + +distclean-tags: + -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags + +check-TESTS: $(TESTS) + @failed=0; all=0; xfail=0; xpass=0; skip=0; \ + srcdir=$(srcdir); export srcdir; \ + list=' $(TESTS) '; \ + $(am__tty_colors); \ + if test -n "$$list"; then \ + for tst in $$list; do \ + if test -f ./$$tst; then dir=./; \ + elif test -f $$tst; then dir=; \ + else dir="$(srcdir)/"; fi; \ + if $(TESTS_ENVIRONMENT) $${dir}$$tst $(AM_TESTS_FD_REDIRECT); then \ + all=`expr $$all + 1`; \ + case " $(XFAIL_TESTS) " in \ + *[\ \ ]$$tst[\ \ ]*) \ + xpass=`expr $$xpass + 1`; \ + failed=`expr $$failed + 1`; \ + col=$$red; res=XPASS; \ + ;; \ + *) \ + col=$$grn; res=PASS; \ + ;; \ + esac; \ + elif test $$? -ne 77; then \ + all=`expr $$all + 1`; \ + case " $(XFAIL_TESTS) " in \ + *[\ \ ]$$tst[\ \ ]*) \ + xfail=`expr $$xfail + 1`; \ + col=$$lgn; res=XFAIL; \ + ;; \ + *) \ + failed=`expr $$failed + 1`; \ + col=$$red; res=FAIL; \ + ;; \ + esac; \ + else \ + skip=`expr $$skip + 1`; \ + col=$$blu; res=SKIP; \ + fi; \ + echo "$${col}$$res$${std}: $$tst"; \ + done; \ + if test "$$all" -eq 1; then \ + tests="test"; \ + All=""; \ + else \ + tests="tests"; \ + All="All "; \ + fi; \ + if test "$$failed" -eq 0; then \ + if test "$$xfail" -eq 0; then \ + banner="$$All$$all $$tests passed"; \ + else \ + if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \ + banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \ + fi; \ + else \ + if test "$$xpass" -eq 0; then \ + banner="$$failed of $$all $$tests failed"; \ + else \ + if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \ + banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \ + fi; \ + fi; \ + dashes="$$banner"; \ + skipped=""; \ + if test "$$skip" -ne 0; then \ + if test "$$skip" -eq 1; then \ + skipped="($$skip test was not run)"; \ + else \ + skipped="($$skip tests were not run)"; \ + fi; \ + test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \ + dashes="$$skipped"; \ + fi; \ + report=""; \ + if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \ + report="Please report to $(PACKAGE_BUGREPORT)"; \ + test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \ + dashes="$$report"; \ + fi; \ + dashes=`echo "$$dashes" | sed s/./=/g`; \ + if test "$$failed" -eq 0; then \ + col="$$grn"; \ + else \ + col="$$red"; \ + fi; \ + echo "$${col}$$dashes$${std}"; \ + echo "$${col}$$banner$${std}"; \ + test -z "$$skipped" || echo "$${col}$$skipped$${std}"; \ + test -z "$$report" || echo "$${col}$$report$${std}"; \ + echo "$${col}$$dashes$${std}"; \ + test "$$failed" -eq 0; \ + else :; fi + +distdir: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) distdir-am + +distdir-am: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done +check-am: all-am + $(MAKE) $(AM_MAKEFLAGS) check-TESTS +check: check-am +all-am: Makefile $(PROGRAMS) $(SCRIPTS) +installdirs: +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + if test -z '$(STRIP)'; then \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + install; \ + else \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \ + mostlyclean-am + +distclean: distclean-am + -rm -f ./$(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-run_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-tcp_listener_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-tls_listener_unittests.Po + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f ./$(DEPDIR)/run_unittests-mt_tcp_listener_mgr_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-run_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-tcp_listener_unittests.Po + -rm -f ./$(DEPDIR)/run_unittests-tls_listener_unittests.Po + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: check-am install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-TESTS \ + check-am clean clean-generic clean-libtool \ + clean-noinstPROGRAMS cscopelist-am ctags ctags-am distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/lib/tcp/tests/mt_tcp_listener_mgr_unittests.cc b/src/lib/tcp/tests/mt_tcp_listener_mgr_unittests.cc new file mode 100644 index 0000000..ab561c6 --- /dev/null +++ b/src/lib/tcp/tests/mt_tcp_listener_mgr_unittests.cc @@ -0,0 +1,984 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. +#include <config.h> + +#include <asiolink/asio_wrapper.h> +#include <asiolink/interval_timer.h> +#include <asiolink/testutils/test_tls.h> +#include <cc/data.h> +#include <cc/command_interpreter.h> +#include <tcp/mt_tcp_listener_mgr.h> +#include <tcp_test_listener.h> +#include <tcp_test_client.h> +#include <util/multi_threading_mgr.h> +#include <testutils/gtest_utils.h> + +#include <gtest/gtest.h> + +#include <thread> +#include <list> +#include <sstream> + +using namespace isc; +using namespace isc::asiolink; +using namespace isc::asiolink::test; +using namespace isc::config; +using namespace isc::data; +using namespace boost::asio::ip; +using namespace isc::tcp; +using namespace isc::util; +namespace ph = std::placeholders; + +namespace { + +/// @brief IP address to which TCP service is bound. +const std::string SERVER_ADDRESS = "127.0.0.1"; + +/// @brief Port number to which TCP service is bound. +const unsigned short SERVER_PORT = 18123; + +/// @brief Test timeout (ms). +const long TEST_TIMEOUT = 10000; + +/// @brief Test fixture class for @ref MtTcpListenerMgr. +class MtTcpListenerMgrTest : public ::testing::Test { +public: + + /// @brief Constructor. + /// + /// Starts test timer which detects timeouts, and enables multi-threading mode. + MtTcpListenerMgrTest() + : mt_listener_mgr_(), io_service_(), test_timer_(io_service_), + run_io_service_timer_(io_service_), clients_(), num_threads_(), + num_clients_(), num_in_progress_(0), num_finished_(0), chunk_size_(0), + pause_cnt_(0), response_handler_(0) { + test_timer_.setup(std::bind(&MtTcpListenerMgrTest::timeoutHandler, this, true), + TEST_TIMEOUT, IntervalTimer::ONE_SHOT); + + // Enable multi-threading. + MultiThreadingMgr::instance().setMode(true); + } + + /// @brief Destructor. + /// + /// Removes TCP clients and disables MT. + virtual ~MtTcpListenerMgrTest() { + // Wipe out the listener. + mt_listener_mgr_.reset(); + + // Destroy all remaining clients. + for (auto const& client : clients_) { + client->close(); + } + + // Disable multi-threading. + MultiThreadingMgr::instance().setMode(false); + } + + /// @brief Replaces the test's listener with a new listener + /// + /// @param num_threads Number of threads the listener should use. + /// @param response_handler Response handler connections should use + void createMtTcpListenerMgr(size_t num_threads, + TcpTestConnection::ResponseHandler response_handler = 0) { + // Create a listener with prescribed number of threads. + ASSERT_NO_THROW_LOG(mt_listener_mgr_.reset(new MtTcpListenerMgr( + std::bind(&MtTcpListenerMgrTest::listenerFactory, this, + ph::_1, ph::_2, ph::_3, ph::_4, ph::_5, ph::_6), + IOAddress(SERVER_ADDRESS), + SERVER_PORT, num_threads))); + + ASSERT_TRUE(mt_listener_mgr_); + setResponseHandler(response_handler); + } + + /// @brief Return the inner TcpTestListener's audit trail + AuditTrailPtr getAuditTrail() { + TcpListenerPtr l = mt_listener_mgr_->getTcpListener(); + if (!l) { + isc_throw(Unexpected, "Test is broken? Listener is null?"); + } + + TcpTestListenerPtr listener = boost::dynamic_pointer_cast<TcpTestListener>( + mt_listener_mgr_->getTcpListener()); + if (!listener) { + isc_throw(Unexpected, "Test is broken? Listener is not a TcpTestListener"); + } + + return (listener->audit_trail_); + } + + /// @brief TcpListener factory for MtTcpListener to instantiate new listeners. + TcpListenerPtr listenerFactory(asiolink::IOService& io_service, + const asiolink::IOAddress& server_address, + const unsigned short server_port, + const asiolink::TlsContextPtr& tls_context, + const TcpListener::IdleTimeout& idle_timeout, + const TcpConnectionFilterCallback& connection_filter) { + TcpTestListenerPtr listener(new TcpTestListener(io_service, + server_address, + server_port, + tls_context, + idle_timeout, + connection_filter)); + // Set the response handler the listener will pass into each connection. + listener->setResponseHandler(response_handler_); + return (listener); + } + + /// @brief Callback function each client invokes when done. + /// + /// It stops the IO service + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void clientDone() { + io_service_.stop(); + } + + /// @brief Initiates a command via a new TCP client. + /// + /// This method creates a TcpTestClient instance, adds the + /// client to the list of clients, and starts a request. + /// The client will run on the main thread and be driven by + /// the test's IOService instance. + /// + /// @param request_str String containing the request + /// to be sent. + void startRequest(const std::string& request_str) { + // Instantiate the client. + TcpTestClientPtr client(new TcpTestClient(io_service_, + std::bind(&MtTcpListenerMgrTest::clientDone, this), + TlsContextPtr(), + SERVER_ADDRESS, SERVER_PORT)); + // Add it to the list of clients. + clients_.push_back(client); + + // Start the request. Note, nothing happens until the IOService runs. + client->startRequest(request_str); + } + + /// @brief Initiates a "thread" command via a new TCP client. + /// + /// This method creates a TcpTestClient instance, adds the + /// client to the list of clients, and starts a request based + /// on the given command. The client will run on the main + /// thread and be driven by the test's IOService instance. + /// + /// The command has a single argument, "client-ptr". The function creates + /// the value for this argument from the pointer address of client instance + /// it creates. This argument should be echoed back in the response, along + /// with the thread-id of the MtTcpListener thread which handled the + /// command. The response body should look this: + /// + /// ``` + /// [ { "arguments": { "client-ptr": "xxxxx", "thread-id": "zzzzz" }, "result": 0} ] + /// ``` + void startThreadCommand(std::string request_str) { + // Create a new client. + TcpTestClientPtr client(new TcpTestClient(io_service_, + std::bind(&MtTcpListenerMgrTest::clientDone, this), + TlsContextPtr(), + SERVER_ADDRESS, SERVER_PORT)); + + // Construct the "thread" command post including the argument, + // "client-ptr", whose value is the stringified pointer to the + // newly created client. + std::stringstream request_body; + request_body << "{\"command\": \"thread\", \"arguments\": { \"client-ptr\": \"" + << client << "\", \"request\": \"" << request_str << "\" } }"; + + // Add it to the list of clients. + clients_.push_back(client); + + // Start the request. Note, nothing happens until the IOService runs. + ASSERT_NO_THROW_LOG(client->startRequest(request_body.str())); + } + + /// @brief Callback function invoke upon test timeout. + /// + /// It stops the IO service and reports test timeout. + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void timeoutHandler(const bool fail_on_timeout) { + if (fail_on_timeout) { + ADD_FAILURE() << "Timeout occurred while running the test!"; + } + io_service_.stop(); + } + + /// @brief Runs IO service with optional timeout. + /// + /// We iterate over calls to asio::io_service.run(), until + /// all the clients have completed their requests. We do it this way + /// because the test clients stop the io_service when they're + /// through with a request. + /// + /// @param request_limit Desired number of requests the function should wait + /// to be processed before returning. + void runIOService(size_t request_limit = 0) { + if (!request_limit) { + request_limit = clients_.size(); + } + + // Loop until the clients are done, an error occurs, or the time runs out. + size_t num_done = 0; + while (num_done != request_limit) { + // Always call restart() before we call run(); + io_service_.restart(); + + // Run until a client stops the service. + io_service_.run(); + + // If all the clients are done receiving, the test is done. + num_done = 0; + for (auto const& client : clients_) { + if (client->receiveDone()) { + ++num_done; + } + } + } + } + + /// @brief Set the response handler use by each connection. + /// + /// Sets the response handler invoked by requestReceived. + /// + /// @param response_handler Handler function to invoke + void setResponseHandler(TcpTestConnection::ResponseHandler response_handler) { + response_handler_ = response_handler; + }; + + /// @brief Response handler for the 'thread' command. + /// + /// @param request JSON text containing thread command and arguments + /// which should contain one string element, "client-ptr", whose value is + /// the stringified pointer to the client that issued the command. + /// + /// @return Returns JSON text containing the response which should include + /// a string value 'thread-id': <thread id> + std::string synchronizedCommandHandler(const std::string& request) { + // If the number of in progress commands is less than the number + // of threads, then wait here until we're notified. Otherwise, + // notify everyone and finish. The idea is to force each thread + // to handle the same number of requests over the course of the + // test, making verification reliable. + { + std::unique_lock<std::mutex> lck(mutex_); + ++num_in_progress_; + if (num_in_progress_ == chunk_size_) { + num_finished_ = 0; + cv_.notify_all(); + } else { + bool ret = cv_.wait_for(lck, std::chrono::seconds(10), + [&]() { return (num_in_progress_ == chunk_size_); }); + if (!ret) { + ADD_FAILURE() << "clients failed to start work"; + } + } + } + + // Create the map of response arguments. + ElementPtr arguments = Element::createMap(); + + // Parse the command. + ConstElementPtr command = Element::fromJSON(request); + ConstElementPtr command_arguments; + std::string command_str = parseCommand(command_arguments, command); + + // First we echo the client-ptr command argument. + ConstElementPtr client_ptr = command_arguments->get("client-ptr"); + if (!client_ptr) { + return (createAnswerString(CONTROL_RESULT_ERROR, "missing client-ptr")); + } + + arguments->set("client-ptr", client_ptr); + + // Now we add the thread-id. + std::stringstream ss; + ss << std::this_thread::get_id(); + arguments->set("thread-id", Element::create(ss.str())); + arguments->set("sign-off", Element::create("good bye")); + + { + std::unique_lock<std::mutex> lck(mutex_); + num_finished_++; + if (num_finished_ == chunk_size_) { + // We're all done, notify the others and finish. + num_in_progress_ = 0; + cv_.notify_all(); + } else { + // I'm done but others aren't wait here. + bool ret = cv_.wait_for(lck, std::chrono::seconds(10), + [&]() { return (num_finished_ == chunk_size_); }); + if (!ret) { + ADD_FAILURE() << "clients failed to finish work"; + } + } + } + + EXPECT_THROW(mt_listener_mgr_->start(), InvalidOperation); + EXPECT_THROW(mt_listener_mgr_->pause(), MultiThreadingInvalidOperation); + EXPECT_THROW(mt_listener_mgr_->resume(), MultiThreadingInvalidOperation); + EXPECT_THROW(mt_listener_mgr_->stop(), MultiThreadingInvalidOperation); + + // We're done, ship it! + std::string str = createAnswerString(CONTROL_RESULT_SUCCESS, arguments); + return (str); + } + + /// @brief Create a response string of JSON + /// + /// @param status_code Indicates outcome of the command + /// @param arguments Element tree of response arguments + /// + /// @return JSON text containing the response + std::string createAnswerString(const int status_code, std::string text) { + ConstElementPtr answer = createAnswer(status_code, text); + std::stringstream os; + answer->toJSON(os); + return(os.str()); + } + + /// @brief Create a response string of JSON + /// + /// @param status_code Indicates outcome of the command + /// @param arguments Element tree of response arguments + /// + /// @return JSON text containing the response + std::string createAnswerString(const int status_code, + ConstElementPtr arguments) { + ConstElementPtr answer = createAnswer(status_code, arguments); + std::stringstream os; + answer->toJSON(os); + return(os.str()); + } + + /// @brief Simple response handler for the 'thread' command. + /// + /// @param command_name Command name, i.e. 'thread'. + /// @param command_arguments Command arguments should contain + /// one string element, "client-ptr", whose value is the stringified + /// pointer to the client that issued the command. + /// + /// @return Returns response with map of arguments containing + /// a string value 'thread-id': <thread id> + std::string simpleCommandHandler(const std::string& request) { + // Create the map of response arguments. + ElementPtr arguments = Element::createMap(); + + // Parse the command. + ConstElementPtr command = Element::fromJSON(request); + ConstElementPtr command_arguments; + std::string command_str = parseCommand(command_arguments, command); + + // First we echo the client-ptr command argument. + ConstElementPtr client_ptr = command_arguments->get("client-ptr"); + if (!client_ptr) { + return (createAnswerString(CONTROL_RESULT_ERROR, "missing client-ptr")); + } + + arguments->set("client-ptr", client_ptr); + + // Now we add the thread-id. + std::stringstream ss; + ss << std::this_thread::get_id(); + arguments->set("thread-id", Element::create(ss.str())); + arguments->set("sign-off", Element::create("good bye")); + + // We're done, ship it! + std::string str = createAnswerString(CONTROL_RESULT_SUCCESS, arguments); + return (str); + } + + /// @brief Submits one or more thread commands to a MtTcpListener. + /// + /// This function command will create a MtTcpListener + /// with the given number of threads, initiates the given + /// number of clients, each requesting the "thread" command, + /// and then iteratively runs the test's IOService until all + /// the clients have received their responses or an error occurs. + /// + /// It requires that the number of clients, when greater than the + /// number of threads, be a multiple of the number of threads. The + /// thread command handler is structured in such a way as to ensure + /// (we hope) that each thread handles the same number of commands. + /// + /// @param num_threads - the number of threads the MtTcpListener + /// should use. Must be greater than 0. + /// @param num_clients - the number of clients that should issue the + /// thread command. Each client is used to carry out a single thread + /// command request. Must be greater than 0 and a multiple of num_threads + /// if it is greater than num_threads. + void threadListenAndRespond(size_t num_threads, size_t num_clients) { + // First we makes sure the parameter rules apply. + ASSERT_TRUE(num_threads); + ASSERT_TRUE(num_clients); + ASSERT_TRUE((num_clients < num_threads) || (num_clients % num_threads == 0)); + + num_threads_ = num_threads; + num_clients_ = num_clients; + chunk_size_ = num_threads_; + if (num_clients_ < chunk_size_) { + chunk_size_ = num_clients_; + } + + // Create an MtTcpListenerMgr with prescribed number of threads. + createMtTcpListenerMgr(num_threads, + std::bind(&MtTcpListenerMgrTest::synchronizedCommandHandler, + this, ph::_1)); + + // Start it and verify it is running. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), num_threads); + + // Maps the number of clients served by a given thread-id. + std::map<std::string, int> clients_per_thread; + + // Initiate the prescribed number of command requests. + num_in_progress_ = 0; + while (clients_.size() < num_clients) { + ASSERT_NO_THROW_LOG(startThreadCommand("I am done")); + } + + // Now we run the client-side IOService until all requests are done, + // errors occur or the test times out. + ASSERT_NO_FATAL_FAILURE(runIOService()); + + // Stop the listener and then verify it has stopped. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + ASSERT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + + // Iterate over the clients, checking their outcomes. + size_t total_responses = 0; + for (auto const& client : clients_) { + // Client should have completed its receive successfully. + ASSERT_TRUE(client->receiveDone()); + + // Now we walk the element tree to get the response data. It should look + // this: + // + // { + // "arguments": { "client-ptr": "xxxxx", + // "thread-id": "zzzzz" }, + // "result": 0 + // ] + // + // We expect 1 response. + auto responses = client->getResponses(); + ASSERT_EQ(responses.size(), 1); + + // First we turn it into an Element tree. + ConstElementPtr answer; + ASSERT_NO_THROW_LOG(answer = Element::fromJSON(responses.front())); + + // Answer should be a map containing "arguments" and "results". + ASSERT_EQ(answer->getType(), Element::map); + + // "result" should be 0. + ConstElementPtr result = answer->get("result"); + ASSERT_TRUE(result); + ASSERT_EQ(result->getType(), Element::integer); + ASSERT_EQ(result->intValue(), 0); + + // "arguments" is a map containing "client-ptr" and "thread-id". + ConstElementPtr arguments = answer->get("arguments"); + ASSERT_TRUE(arguments); + ASSERT_EQ(arguments->getType(), Element::map); + + // "client-ptr" is a string. + ConstElementPtr client_ptr = arguments->get("client-ptr"); + ASSERT_TRUE(client_ptr); + ASSERT_EQ(client_ptr->getType(), Element::string); + + // "thread-id" is a string. + ConstElementPtr thread_id = arguments->get("thread-id"); + ASSERT_TRUE(thread_id); + ASSERT_EQ(thread_id->getType(), Element::string); + std::string thread_id_str = thread_id->stringValue(); + + // Make sure the response received was for this client. + std::stringstream ss; + ss << client; + ASSERT_EQ(client_ptr->stringValue(), ss.str()); + + // Bump the client count for the given thread-id. + auto it = clients_per_thread.find(thread_id_str); + if (it != clients_per_thread.end()) { + clients_per_thread[thread_id_str] = it->second + 1; + } else { + clients_per_thread[thread_id_str] = 1; + } + ++total_responses; + } + + // We should have responses for all our clients. + EXPECT_EQ(total_responses, num_clients); + + // Verify we have the expected number of entries in our map. + size_t expected_thread_count = (num_clients < num_threads ? + num_clients : num_threads); + + ASSERT_EQ(clients_per_thread.size(), expected_thread_count); + + // Each thread-id ought to have handled the same number of clients. + for (auto const& it : clients_per_thread) { + EXPECT_EQ(it.second, num_clients / clients_per_thread.size()) + << "thread-id: " << it.first + << ", clients: " << it.second << std::endl; + } + } + + /// @brief Pauses and resumes a MtTcpListener while it processes command + /// requests. + /// + /// This function command will create a MtTcpListenerMgr + /// with the given number of threads, initiates the given + /// number of clients, each requesting the "thread" command, + /// and then iteratively runs the test's IOService until all + /// the clients have received their responses or an error occurs. + /// It will pause and resume the listener at intervals governed + /// by the given number of pauses. + /// + /// @param num_threads - the number of threads the MtTcpListener + /// should use. Must be greater than 0. + /// @param num_clients - the number of clients that should issue the + /// thread command. Each client is used to carry out a single thread + /// command request. Must be greater than 0. + /// @param num_pauses Desired number of times the listener should be + /// paused during the test. Must be greater than 0. + void workPauseAndResume(size_t num_threads, size_t num_clients, + size_t num_pauses) { + // First we makes sure the parameter rules apply. + ASSERT_TRUE(num_threads); + ASSERT_TRUE(num_clients); + ASSERT_TRUE(num_pauses); + num_threads_ = num_threads; + num_clients_ = num_clients; + + // Create an MtTcpListenerMgr with prescribed number of threads and the + // simple handler. + createMtTcpListenerMgr(num_threads, + std::bind(&MtTcpListenerMgrTest::simpleCommandHandler, + this, ph::_1)); + + ASSERT_TRUE(mt_listener_mgr_); + + // Start it and verify it is running. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), num_threads); + + // Initiate the prescribed number of command requests. + num_in_progress_ = 0; + while (clients_.size() < num_clients) { + ASSERT_NO_THROW_LOG(startThreadCommand("I am done")); + } + + // Now we run the client-side IOService until all requests are done, + // errors occur or the test times out. We'll pause and resume the + // number of times given by num_pauses. + size_t num_done = 0; + size_t total_requests = clients_.size(); + while (num_done < total_requests) { + // Calculate how many more requests to process before we pause again. + // We divide the number of outstanding requests by the number of pauses + // and stop after we've done at least that many more requests. + size_t request_limit = (pause_cnt_ < num_pauses ? + (num_done + ((total_requests - num_done) / num_pauses)) + : total_requests); + + // Run test IOService until we hit the limit. + runIOService(request_limit); + + // If we've done all our pauses we should be through. + if (pause_cnt_ == num_pauses) { + break; + } + + // Pause the client. + ASSERT_NO_THROW(mt_listener_mgr_->pause()); + ASSERT_TRUE(mt_listener_mgr_->isPaused()); + ++pause_cnt_; + + // Check our progress. + num_done = 0; + for (auto const& client : clients_) { + if (client->receiveDone()) { + ++num_done; + } + } + + // We should completed at least as many as our + // target limit. + ASSERT_GE(num_done, request_limit); + + // Resume the listener. + ASSERT_NO_THROW(mt_listener_mgr_->resume()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + } + + // Stop the listener and then verify it has stopped. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + ASSERT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + + // Iterate over the clients, checking their outcomes. + size_t total_responses = 0; + for (auto const& client : clients_) { + // Client should have completed its receive successfully. + ASSERT_TRUE(client->receiveDone()); + + // Now we walk the element tree to get the response data. It should look + // this: + // + // { + // "arguments": { "client-ptr": "xxxxx", + // "sign-off": "good bye", + // "thread-id": "zzzzz" }, + // "result": 0 + // } + // + // We expect one response. + auto responses = client->getResponses(); + ASSERT_EQ(responses.size(), 1); + + // First we turn it into an Element tree. + ConstElementPtr answer; + ASSERT_NO_THROW_LOG(answer = Element::fromJSON(responses.front())); + + // Answer should be a map containing "arguments" and "results". + ASSERT_EQ(answer->getType(), Element::map); + + // "result" should be 0. + ConstElementPtr result = answer->get("result"); + ASSERT_TRUE(result); + ASSERT_EQ(result->getType(), Element::integer); + ASSERT_EQ(result->intValue(), 0); + + // "arguments" is a map containing "client-ptr" and "thread-id". + ConstElementPtr arguments = answer->get("arguments"); + ASSERT_TRUE(arguments); + ASSERT_EQ(arguments->getType(), Element::map); + + // "client-ptr" is a string. + ConstElementPtr client_ptr = arguments->get("client-ptr"); + ASSERT_TRUE(client_ptr); + ASSERT_EQ(client_ptr->getType(), Element::string); + + // "thread-id" is a string. + ConstElementPtr thread_id = arguments->get("thread-id"); + ASSERT_TRUE(thread_id); + ASSERT_EQ(thread_id->getType(), Element::string); + std::string thread_id_str = thread_id->stringValue(); + + // Make sure the response received was for this client. + std::stringstream ss; + ss << client; + ASSERT_EQ(client_ptr->stringValue(), ss.str()); + + ++total_responses; + } + + // We should have responses for all our clients. + EXPECT_EQ(total_responses, num_clients); + + // We should have had the expected number of pauses. + if (!num_pauses) { + ASSERT_EQ(pause_cnt_, 0); + } else { + // We allow a range on pauses of +-1. + ASSERT_TRUE((num_pauses - 1) <= pause_cnt_ && + (pause_cnt_ <= (num_pauses + 1))) + << " num_pauses: " << num_pauses + << ", pause_cnt_" << pause_cnt_; + } + } + + /// @brief MtTcpListenerMgr instance under test. + MtTcpListenerMgrPtr mt_listener_mgr_; + + /// @brief IO service used in drive the test and test clients. + IOService io_service_; + + /// @brief Asynchronous timer service to detect timeouts. + IntervalTimer test_timer_; + + /// @brief Asynchronous timer for running IO service for a specified amount + /// of time. + IntervalTimer run_io_service_timer_; + + /// @brief List of client connections. + std::list<TcpTestClientPtr> clients_; + + /// @brief Number of threads the listener should use for the test. + size_t num_threads_; + + /// @brief Number of client requests to make during the test. + size_t num_clients_; + + /// @brief Number of requests currently in progress. + size_t num_in_progress_; + + /// @brief Number of requests that have finished. + size_t num_finished_; + + /// @brief Chunk size of requests that need to be processed in parallel. + /// + /// This can either be the number of threads (if the number of requests is + /// greater than the number of threads) or the number of requests (if the + /// number of threads is greater than the number of requests). + size_t chunk_size_; + + /// @brief Mutex used to lock during thread coordination. + std::mutex mutex_; + + /// @brief Condition variable used to coordinate threads. + std::condition_variable cv_; + + /// @brief Number of times client has been paused during the test. + size_t pause_cnt_; + + /// @brief Number of clients that have completed their assignment or + /// failed + size_t clients_done_; + + /// @brief Response Handler passed down to each connection. + TcpTestConnection::ResponseHandler response_handler_; +}; + +/// Verifies the construction, starting, stopping, pausing, resuming, +/// and destruction of MtTcpListener. +TEST_F(MtTcpListenerMgrTest, basics) { + // Make sure multi-threading is off. + MultiThreadingMgr::instance().setMode(false); + IOAddress address(SERVER_ADDRESS); + uint16_t port = SERVER_PORT; + + // Make sure we can create one. + ASSERT_NO_THROW_LOG(mt_listener_mgr_.reset( + new MtTcpListenerMgr( + std::bind(&MtTcpListenerMgrTest::listenerFactory, this, + ph::_1, ph::_2, ph::_3, ph::_4, ph::_5, ph::_6), + address, port))); + + ASSERT_TRUE(mt_listener_mgr_); + + // Verify the getters do what we expect. + EXPECT_EQ(mt_listener_mgr_->getAddress(), address); + EXPECT_EQ(mt_listener_mgr_->getPort(), port); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 1); + EXPECT_FALSE(mt_listener_mgr_->getTlsContext()); + + // It should not have an IOService, should not be listening and + // should have no threads. + ASSERT_FALSE(mt_listener_mgr_->getThreadIOService()); + EXPECT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + + // Verify that we cannot start it when multi-threading is disabled. + ASSERT_FALSE(MultiThreadingMgr::instance().getMode()); + ASSERT_THROW_MSG(mt_listener_mgr_->start(), InvalidOperation, + "MtTcpListenerMgr cannot be started" + " when multi-threading is disabled"); + + // It should still not be listening and have no threads. + EXPECT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + + // Enable multi-threading. + MultiThreadingMgr::instance().setMode(true); + + // Make sure we can start it and it's listening with 1 thread. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 1); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_FALSE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Trying to start it again should fail. + ASSERT_THROW_MSG(mt_listener_mgr_->start(), InvalidOperation, + "MtTcpListenerMgr already started!"); + + // Stop it and verify we're no longer listening. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + ASSERT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + ASSERT_FALSE(mt_listener_mgr_->getThreadIOService()); + + // Make sure we can call stop again without problems. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + + // We should be able to restart it. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 1); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_FALSE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Destroying it should also stop it. + // If the test timeouts we know it didn't! + ASSERT_NO_THROW_LOG(mt_listener_mgr_.reset()); + + // Verify we can construct with more than one thread. + ASSERT_NO_THROW_LOG(mt_listener_mgr_.reset( + new MtTcpListenerMgr( + std::bind(&MtTcpListenerMgrTest::listenerFactory, this, + ph::_1, ph::_2, ph::_3, ph::_4, ph::_5, ph::_6), + address, port, 4))); + + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + EXPECT_EQ(mt_listener_mgr_->getAddress(), address); + EXPECT_EQ(mt_listener_mgr_->getPort(), port); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 4); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 4); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_FALSE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Verify we can pause it. We should still be listening, threads intact, + // IOService stopped, state set to PAUSED. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->pause()); + ASSERT_TRUE(mt_listener_mgr_->isPaused()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 4); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 4); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_TRUE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Verify we can resume it. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->resume()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 4); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 4); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_FALSE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Stop it and verify we're no longer listening. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + ASSERT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 4); + ASSERT_FALSE(mt_listener_mgr_->getThreadIOService()); + EXPECT_TRUE(mt_listener_mgr_->isStopped()); +} + +// Now we'll run some permutations of the number of listener threads +// and the number of client requests. + +// One thread, one client. +TEST_F(MtTcpListenerMgrTest, oneByOne) { + size_t num_threads = 1; + size_t num_clients = 1; + threadListenAndRespond(num_threads, num_clients); +} + +// One thread, four clients. +TEST_F(MtTcpListenerMgrTest, oneByFour) { + size_t num_threads = 1; + size_t num_clients = 4; + threadListenAndRespond(num_threads, num_clients); +} + +// Four threads, one clients. +TEST_F(MtTcpListenerMgrTest, fourByOne) { + size_t num_threads = 4; + size_t num_clients = 1; + threadListenAndRespond(num_threads, num_clients); +} + +// Four threads, four clients. +TEST_F(MtTcpListenerMgrTest, fourByFour) { + size_t num_threads = 4; + size_t num_clients = 4; + threadListenAndRespond(num_threads, num_clients); +} + +// Four threads, eight clients. +TEST_F(MtTcpListenerMgrTest, fourByEight) { + size_t num_threads = 4; + size_t num_clients = 8; + threadListenAndRespond(num_threads, num_clients); +} + +// Six threads, eighteen clients. +TEST_F(MtTcpListenerMgrTest, sixByEighteen) { + size_t num_threads = 6; + size_t num_clients = 18; + threadListenAndRespond(num_threads, num_clients); +} + +// Pauses and resumes the listener while it is processing +// requests. +TEST_F(MtTcpListenerMgrTest, pauseAndResume) { + size_t num_threads = 6; + size_t num_clients = 18; + size_t num_pauses = 3; + workPauseAndResume(num_threads, num_clients, num_pauses); +} + +// Check if a TLS listener can be created. +TEST_F(MtTcpListenerMgrTest, tls) { + IOAddress address(SERVER_ADDRESS); + uint16_t port = SERVER_PORT; + TlsContextPtr context; + configServer(context); + + // Make sure we can create the listener. + ASSERT_NO_THROW_LOG( + mt_listener_mgr_.reset(new MtTcpListenerMgr( + std::bind(&MtTcpListenerMgrTest::listenerFactory, + this, + ph::_1, ph::_2, ph::_3, ph::_4, ph::_5, ph::_6), + IOAddress(SERVER_ADDRESS), SERVER_PORT, 1, context)) + ); + + EXPECT_EQ(mt_listener_mgr_->getAddress(), address); + EXPECT_EQ(mt_listener_mgr_->getPort(), port); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 1); + EXPECT_EQ(mt_listener_mgr_->getTlsContext(), context); + EXPECT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + + // Make sure we can start it and it's listening with 1 thread. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 1); + ASSERT_TRUE(mt_listener_mgr_->getThreadIOService()); + EXPECT_FALSE(mt_listener_mgr_->getThreadIOService()->stopped()); + + // Stop it. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->stop()); + ASSERT_TRUE(mt_listener_mgr_->isStopped()); + EXPECT_EQ(mt_listener_mgr_->getThreadCount(), 0); + EXPECT_EQ(mt_listener_mgr_->getThreadPoolSize(), 1); + ASSERT_FALSE(mt_listener_mgr_->getThreadIOService()); + EXPECT_TRUE(mt_listener_mgr_->isStopped()); +} + +/// Verifies that idle timeout can be passed down to the internal listener. +TEST_F(MtTcpListenerMgrTest, idleTimeout) { + // Create an MtTcpListenerMgr. + createMtTcpListenerMgr(1, std::bind(&MtTcpListenerMgrTest::synchronizedCommandHandler, + this, ph::_1)); + // Verify the default timeout value. + EXPECT_EQ(TCP_IDLE_CONNECTION_TIMEOUT, mt_listener_mgr_->getIdleTimeout()); + + // Set a new timeout value. + mt_listener_mgr_->setIdleTimeout(200); + EXPECT_EQ(200, mt_listener_mgr_->getIdleTimeout()); + + // Start the listener, which should instantiate the internal listener. + ASSERT_NO_THROW_LOG(mt_listener_mgr_->start()); + ASSERT_TRUE(mt_listener_mgr_->isRunning()); + + // Verify the internal listener's timeout value. + auto tcp_listener = mt_listener_mgr_->getTcpListener(); + ASSERT_TRUE(tcp_listener); + EXPECT_EQ(200, tcp_listener->getIdleTimeout()); +} + +} // end of anonymous namespace diff --git a/src/lib/tcp/tests/run_unittests.cc b/src/lib/tcp/tests/run_unittests.cc new file mode 100644 index 0000000..55589a6 --- /dev/null +++ b/src/lib/tcp/tests/run_unittests.cc @@ -0,0 +1,20 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <log/logger_support.h> + +#include <gtest/gtest.h> + +int +main(int argc, char* argv[]) { + ::testing::InitGoogleTest(&argc, argv); + isc::log::initLogger(); + + int result = RUN_ALL_TESTS(); + + return (result); +} diff --git a/src/lib/tcp/tests/tcp_listener_unittests.cc b/src/lib/tcp/tests/tcp_listener_unittests.cc new file mode 100644 index 0000000..90be50a --- /dev/null +++ b/src/lib/tcp/tests/tcp_listener_unittests.cc @@ -0,0 +1,603 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <asiolink/asio_wrapper.h> +#include <asiolink/interval_timer.h> +#include <asiolink/io_service.h> +#include <tcp_test_listener.h> + +#include <gtest/gtest.h> + +#include <sstream> + +using namespace boost::asio::ip; +using namespace isc::asiolink; +using namespace isc::tcp; + +namespace ph = std::placeholders; + +std::ostream& +operator<<(std::ostream& os, const AuditEntry& entry) { + os << "{ " << entry.connection_id_ << ", " + << (entry.direction_ == AuditEntry::INBOUND ? "I" : "O") << ", " + << entry.data_ << " }"; + return (os); +} + +namespace { + +/// @brief IP address to which service is bound. +const std::string SERVER_ADDRESS = "127.0.0.1"; + +/// @brief IPv6 address to whch service is bound. +const std::string IPV6_SERVER_ADDRESS = "::1"; + +/// @brief Port number to which service is bound. +const unsigned short SERVER_PORT = 18123; + +/// @brief Request Timeout used in most of the tests (ms). +const long REQUEST_TIMEOUT = 10000; + +/// @brief Connection idle timeout used in tests where idle connections +/// are tested (ms). +const long SHORT_REQUEST_TIMEOUT = 200; + +/// @brief Connection idle timeout used in most of the tests (ms). +const long IDLE_TIMEOUT = 10000; + +/// @brief Connection idle timeout used in tests where idle connections +/// are tested (ms). +const long SHORT_IDLE_TIMEOUT = 200; + +/// @brief Test timeout (ms). +const long TEST_TIMEOUT = 10000; + +/// @brief Test fixture class for @ref TcpListener. +class TcpListenerTest : public ::testing::Test { +public: + + /// @brief Constructor. + /// + /// Starts test timer which detects timeouts. + TcpListenerTest() + : io_service_(), test_timer_(io_service_), + run_io_service_timer_(io_service_), + clients_(), clients_done_(0) { + test_timer_.setup(std::bind(&TcpListenerTest::timeoutHandler, this, true), + TEST_TIMEOUT, + IntervalTimer::ONE_SHOT); + } + + /// @brief Destructor. + /// + /// Removes active clients. + virtual ~TcpListenerTest() { + for (auto client : clients_) { + client->close(); + } + } + + /// @brief Create a new client. + /// + /// This method creates TcpTestClient instance and retains it in + /// the clients_ list. + /// @param tls_context TLS context to assign to the client. + TcpTestClientPtr createClient(TlsContextPtr tls_context = TlsContextPtr()) { + TcpTestClientPtr client(new TcpTestClient(io_service_, + std::bind(&TcpListenerTest::clientDone, this), + tls_context)); + clients_.push_back(client); + return (client); + } + + /// @brief Connect to the endpoint and send a request. + /// + /// This method creates TcpTestClient instance and retains it in + /// the clients_ list. + /// + /// @param request String containing the request to be sent. + /// @param tls_context TLS context to assign to the client. + void startRequest(const std::string& request, + TlsContextPtr tls_context = TlsContextPtr()) { + TcpTestClientPtr client = createClient(tls_context); + client->startRequest(request); + } + + /// @brief Connect to the endpoint and send a list of requests. + /// + /// This method creates a TcpTestClient instance and initiates a + /// series of requests. + /// + /// @param request String containing the request to be sent. + /// @param tls_context TLS context to assign to the client. + void startRequests(const std::list<std::string>& requests, + TlsContextPtr tls_context = TlsContextPtr()) { + TcpTestClientPtr client = createClient(tls_context); + client->startRequests(requests); + } + + /// @brief Callback function invoke upon test timeout. + /// + /// It stops the IO service and reports test timeout. + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void timeoutHandler(const bool fail_on_timeout) { + if (fail_on_timeout) { + ADD_FAILURE() << "Timeout occurred while running the test!"; + } + io_service_.stop(); + } + + /// @brief Callback function each client invokes when done. + /// + /// It stops the IO service when all clients are done. + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void clientDone() { + ++clients_done_; + if (clients_done_ >= clients_.size()) { + // They're all done or dead. Stop the service. + io_service_.stop(); + } + } + + /// @brief Runs IO service with optional timeout. + /// + /// @param timeout Optional value specifying for how long the io service + /// should be ran. + void runIOService(long timeout = 0) { + io_service_.get_io_service().reset(); + + if (timeout > 0) { + run_io_service_timer_.setup(std::bind(&TcpListenerTest::timeoutHandler, + this, false), + timeout, + IntervalTimer::ONE_SHOT); + } + io_service_.run(); + io_service_.get_io_service().reset(); + io_service_.poll(); + } + + /// @brief Filter that denies every other connection. + /// + /// @param remote_endpoint_address ip address of the remote end of + /// a connection. + bool connectionFilter(const boost::asio::ip::tcp::endpoint& remote_endpoint) { + static size_t count = 0; + // If the address doesn't match, something hinky is going on, so + // we'll reject them all. If it does match, then cool, it works + // as expected. + if ((count++ % 2) || + (remote_endpoint.address().to_string() != SERVER_ADDRESS)) { + // Reject every other connection; + return (false); + } + + return (true); + } + + /// @brief IO service used in the tests. + IOService io_service_; + + /// @brief Asynchronous timer service to detect timeouts. + IntervalTimer test_timer_; + + /// @brief Asynchronous timer for running IO service for a specified amount + /// of time. + IntervalTimer run_io_service_timer_; + + /// @brief List of client connections. + std::list<TcpTestClientPtr> clients_; + + /// @brief Counts the number of clients that have reported as done. + size_t clients_done_; +}; + +// This test verifies that a TCP connection can be established and used to +// transmit a streamed request and receive a streamed response. +TEST_F(TcpListenerTest, listen) { + const std::string request = "I am done"; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + ASSERT_NO_THROW(startRequest(request)); + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + ASSERT_TRUE(client); + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + + // Verify the audit trail for the connection. + // Sanity check to make sure we don't have more entries than we expect. + ASSERT_EQ(listener.audit_trail_->entries_.size(), 2); + + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { 1, AuditEntry::INBOUND, "I am done" }, + { 1, AuditEntry::OUTBOUND, "good bye" } + }; + + // Verify the audit trail. + ASSERT_EQ(expected_entries, listener.audit_trail_->getConnectionTrail(1)); + + listener.stop(); + io_service_.poll(); +} + +// This test verifies that a TCP connection can receive a complete +// message that spans multiple socket reads. +TEST_F(TcpListenerTest, splitReads) { + const std::string request = "I am done"; + + // Read at most one byte at a time. + size_t read_max = 1; + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(IDLE_TIMEOUT), + 0, + read_max); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + ASSERT_NO_THROW(startRequest(request)); + ASSERT_NO_THROW(runIOService()); + + // Fetch the client. + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + ASSERT_TRUE(client); + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + + listener.stop(); + io_service_.poll(); +} + +// This test verifies that a TCP connection can be established and used to +// transmit a streamed request and receive a streamed response. +TEST_F(TcpListenerTest, idleTimeoutTest) { + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(SHORT_IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + // Start a client with an empty request. Empty requests tell the client to read + // without sending anything and expect the read to fail when the listener idle + // times out the socket. + ASSERT_NO_THROW(startRequest("")); + + // Run until idle timer expires. + ASSERT_NO_THROW(runIOService()); + + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + EXPECT_FALSE(client->receiveDone()); + EXPECT_TRUE(client->expectedEof()); + + listener.stop(); + io_service_.poll(); +} + +TEST_F(TcpListenerTest, multipleClientsListen) { + const std::string request = "I am done"; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + ASSERT_NO_THROW(startRequest(request)); + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + size_t connection_id = 1; + for (auto client : clients_) { + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { connection_id, AuditEntry::INBOUND, "I am done" }, + { connection_id, AuditEntry::OUTBOUND, "good bye" } + }; + + // Fetch the entries for this connection. + auto entries = listener.audit_trail_->getConnectionTrail(connection_id); + ASSERT_EQ(expected_entries, entries); + ++connection_id; + } + + listener.stop(); + io_service_.poll(); +} + +// Verify that the listener handles multiple requests for multiple +// clients. +TEST_F(TcpListenerTest, multipleRequetsPerClients) { + std::list<std::string>requests{ "one", "two", "three", "I am done"}; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + ASSERT_NO_THROW(startRequests(requests)); + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + std::list<std::string>expected_responses{ "echo one", "echo two", + "echo three", "good bye"}; + size_t connection_id = 1; + for (auto client : clients_) { + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + EXPECT_EQ(expected_responses, client->getResponses()); + + // Verify the connection's audit trail. + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { connection_id, AuditEntry::INBOUND, "one" }, + { connection_id, AuditEntry::OUTBOUND, "echo one" }, + { connection_id, AuditEntry::INBOUND, "two" }, + { connection_id, AuditEntry::OUTBOUND, "echo two" }, + { connection_id, AuditEntry::INBOUND, "three" }, + { connection_id, AuditEntry::OUTBOUND, "echo three" }, + { connection_id, AuditEntry::INBOUND, "I am done" }, + { connection_id, AuditEntry::OUTBOUND, "good bye" } + }; + + // Fetch the entries for this connection. + auto entries = listener.audit_trail_->getConnectionTrail(connection_id); + ASSERT_EQ(expected_entries, entries); + ++connection_id; + } + + listener.stop(); + io_service_.poll(); +} + +// Verify that connection filtering can eliminate specific connections. +TEST_F(TcpListenerTest, filterClientsTest) { + const std::string request = "I am done"; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + TlsContextPtr(), + TcpListener::IdleTimeout(IDLE_TIMEOUT), + std::bind(&TcpListenerTest::connectionFilter, this, ph::_1)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + // Every other client sends nothing (i.e. waits for EOF) as + // we expect the filter to reject them. + if (i % 2 == 0) { + ASSERT_NO_THROW(startRequest("I am done")); + } else { + ASSERT_NO_THROW(startRequest("")); + } + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + size_t i = 0; + for (auto client : clients_) { + if (i % 2 == 0) { + // These clients should have been accepted and received responses. + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + + // Now verify the AuditTrail. + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { i+1, AuditEntry::INBOUND, "I am done" }, + { i+1, AuditEntry::OUTBOUND, "good bye" } + }; + + auto entries = listener.audit_trail_->getConnectionTrail(i+1); + ASSERT_EQ(expected_entries, entries); + + } else { + // These clients should have been rejected and gotten EOF'd. + EXPECT_FALSE(client->receiveDone()); + EXPECT_TRUE(client->expectedEof()); + + // Verify connection recorded no audit entries. + auto entries = listener.audit_trail_->getConnectionTrail(i+1); + ASSERT_EQ(entries.size(), 0); + } + + ++i; + } + + listener.stop(); + io_service_.poll(); +} + +// Exercises TcpStreamRequest::postBuffer() through various +// data permutations. +TEST(TcpStreamRequst, postBufferTest) { + // Struct describing a test scenario. + struct Scenario { + const std::string desc_; + // List of input buffers to submit to post. + std::list<std::vector<uint8_t>> input_buffers_; + // List of expected "request" strings conveyed. + std::list<std::string> expected_strings_; + }; + + std::list<Scenario> scenarios{ + { + "1. Two complete messages in their own buffers", + { + { 0x00, 0x04, 0x31, 0x32, 0x33, 0x34 }, + { 0x00, 0x03, 0x35, 0x36, 0x37 }, + }, + { "1234", "567" } + }, + { + "2. Three messages: first two are in the same buffer", + { + { 0x00, 0x04, 0x31, 0x32, 0x33, 0x34, 0x00, 0x02, 0x35, 0x36 }, + { 0x00, 0x03, 0x37, 0x38, 0x39 }, + }, + { "1234", "56", "789" } + }, + { + "3. One message across three buffers", + { + { 0x00, 0x09, 0x31, 0x32, 0x33 }, + { 0x34, 0x35, 0x36, 0x37 }, + { 0x38, 0x39 }, + }, + { "123456789" } + + }, + { + "4. One message, length and data split across buffers", + { + { 0x00 }, + { 0x09, 0x31, 0x32, 0x33 }, + { 0x34, 0x35, 0x36, 0x37 }, + { 0x38, 0x39 }, + }, + { "123456789" } + } + }; + + // Extend the second case with 3 messages to all possible splits + // into one to four chunks. + std::string desc = "N. Three messages"; + std::vector<uint8_t> buffer = { + 0x00, 0x04, 0x31, 0x32, 0x33, 0x34, + 0x00, 0x02, 0x35, 0x36, + 0x00, 0x03, 0x37, 0x38, 0x39 + }; + std::list<std::string> expected = { "1234", "56", "789" }; + // No cut. + scenarios.push_back(Scenario{ desc, { buffer }, expected }); + // One cut. + for (size_t i = 1; i < buffer.size() - 1; ++i) { + std::ostringstream sdesc; + sdesc << desc << " cut at " << i; + std::list<std::vector<uint8_t>> buffers; + buffers.push_back(std::vector<uint8_t>(buffer.cbegin(), + buffer.cbegin() + i)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + i, + buffer.cend())); + scenarios.push_back(Scenario{ sdesc.str(), buffers, expected }); + } + // Two cuts. + for (size_t i = 1; i < buffer.size() - 2; ++i) { + for (size_t j = i + 1; j < buffer.size() - 1; ++j) { + std::ostringstream sdesc; + sdesc << desc << " cut at " << i << " and " << j; + std::list<std::vector<uint8_t>> buffers; + buffers.push_back(std::vector<uint8_t>(buffer.cbegin(), + buffer.cbegin() + i)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + i, + buffer.cbegin() + j)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + j, + buffer.cend())); + scenarios.push_back(Scenario{ sdesc.str(), buffers, expected }); + } + } + // Three cuts. + for (size_t i = 1; i < buffer.size() - 3; ++i) { + for (size_t j = i + 1; j < buffer.size() - 2; ++j) { + for (size_t k = j + 1; k < buffer.size() - 1; ++k) { + std::ostringstream sdesc; + sdesc << desc << " cut at " << i << ", " << j << " and " << k; + std::list<std::vector<uint8_t>> buffers; + buffers.push_back(std::vector<uint8_t>(buffer.cbegin(), + buffer.cbegin() + i)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + i, + buffer.cbegin() + j)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + j, + buffer.cbegin() + k)); + buffers.push_back(std::vector<uint8_t>(buffer.cbegin() + k, + buffer.cend())); + scenarios.push_back(Scenario{ sdesc.str(), buffers, expected }); + } + } + } + + for (auto scenario : scenarios ) { + SCOPED_TRACE(scenario.desc_); + std::list<TcpStreamRequestPtr> requests; + TcpStreamRequestPtr request; + for (auto input_buf : scenario.input_buffers_) { + // Copy the input buffer. + std::vector<uint8_t> buf = input_buf; + + // While there is data left to use, use it. + while (buf.size()) { + // If we need a new request make one. + if (!request) { + request.reset(new TcpStreamRequest()); + } + + size_t bytes_used = request->postBuffer(buf.data(), + buf.size()); + if (!request->needData()) { + // Request is complete, save it. + requests.push_back(request); + request.reset(); + } + + // Consume bytes used. + if (bytes_used) { + buf.erase(buf.begin(), buf.begin() + bytes_used); + } + } + } + + ASSERT_EQ(requests.size(), scenario.expected_strings_.size()); + auto exp_string = scenario.expected_strings_.begin(); + for (auto recvd_request : requests) { + ASSERT_NO_THROW(recvd_request->unpack()); + EXPECT_EQ(*exp_string++, recvd_request->getRequestString()); + } + } +} + +} diff --git a/src/lib/tcp/tests/tcp_test_client.h b/src/lib/tcp/tests/tcp_test_client.h new file mode 100644 index 0000000..2e1b30b --- /dev/null +++ b/src/lib/tcp/tests/tcp_test_client.h @@ -0,0 +1,437 @@ +// Copyright (C) 2022-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef TCP_TEST_CLIENT_H +#define TCP_TEST_CLIENT_H + +#include <cc/data.h> +#include <asiolink/tcp_socket.h> +#include <asiolink/tls_socket.h> +#include <asiolink/testutils/test_tls.h> +#include <tcp/tcp_connection.h> +#include <tcp/tcp_stream_msg.h> +#include <boost/asio/read.hpp> +#include <boost/asio/buffer.hpp> +#include <boost/asio/ip/tcp.hpp> +#include <gtest/gtest.h> + +/// @brief Entity which can connect to the TCP server endpoint with or +/// or without TLS. +class TcpTestClient : public boost::noncopyable { + +private: + /// @brief Type of the function implementing a callback invoked by the + /// @c SocketCallback functor. + typedef std::function<void(boost::system::error_code ec, size_t length)> + SocketCallbackFunction; + + /// @brief Functor associated with the socket object. + /// + /// This functor calls a callback function specified in the constructor. + class SocketCallback { + public: + + /// @brief Constructor. + /// + /// @param socket_callback Callback to be invoked by the functor upon + /// an event associated with the socket. + SocketCallback(SocketCallbackFunction socket_callback) + : callback_(socket_callback) { + } + + /// @brief Operator called when event associated with a socket occurs. + /// + /// This operator returns immediately when received error code is + /// @c boost::system::error_code is equal to + /// @c boost::asio::error::operation_aborted, i.e. the callback is not + /// invoked. + /// + /// @param ec Error code. + /// @param length Data length. + void operator()(boost::system::error_code ec, size_t length = 0) { + if (ec.value() == boost::asio::error::operation_aborted) { + return; + } + + callback_(ec, length); + } + + private: + /// @brief Supplied callback. + SocketCallbackFunction callback_; + }; + +public: + + /// @brief Constructor. + /// + /// This constructor creates new socket instance. It doesn't connect. Call + /// start() to connect to the server. + /// + /// @param io_service IO service to be stopped on error or completion. + /// @param done_callback Function cient should invoke when it has finished + /// all its requests or failed. + /// @param tls_context + /// @param server_address string containing the IP address of the server. + /// @param port port number of the server. + explicit TcpTestClient(isc::asiolink::IOService& io_service, + std::function<void()> done_callback, + isc::asiolink::TlsContextPtr tls_context = + isc::asiolink::TlsContextPtr(), + const std::string& server_address = "127.0.0.1", + uint16_t port = 18123) + : io_service_(io_service.get_io_service()), + tls_context_(tls_context), + tcp_socket_(), tls_socket_(), + done_callback_(done_callback), + server_address_(server_address), server_port_(port), + buf_(), response_(), + receive_done_(false), expected_eof_(false), handshake_failed_(false) { + if (!tls_context_) { + tcp_socket_.reset(new isc::asiolink::TCPSocket<SocketCallback>(io_service)); + } else { + tls_socket_.reset(new isc::asiolink::TLSSocket<SocketCallback>(io_service, + tls_context)); + } + } + + bool useTls() { + return (!!tls_context_); + } + + /// @brief Destructor. + /// + /// Closes the underlying socket if it is open. + virtual ~TcpTestClient() { + close(); + } + + /// @brief Connect to the listener and initiate request processing. + /// + /// Upon successful connection, carry out the TLS handshake. If the handshake + /// completes successful start sending requests. + void start() { + isc::asiolink::TCPEndpoint endpoint(boost::asio::ip::address::from_string(server_address_), server_port_); + SocketCallback socket_cb( + [this](boost::system::error_code ec, size_t /*length */) { + receive_done_ = false; + expected_eof_ = false; + handshake_failed_ = false; + if (ec) { + // One would expect that open wouldn't return + // EINPROGRESS error code, but simply wait for the connection + // to get established before the handler is invoked. It turns out, + // however, that on some OSes the connect handler may receive this + // error code which doesn't necessarily indicate a problem. + // Making an attempt to write and read from this socket will + // typically succeed. So, we ignore this error. + if (ec.value() != boost::asio::error::in_progress) { + ADD_FAILURE() << "error occurred while connecting: " + << ec.message(); + done_callback_(); + } + } + + if (useTls()) { + SocketCallback socket_cb( + [this](boost::system::error_code ec, size_t /*length */) { + if (ec) { + handshake_failed_ = true; + done_callback_(); + } else { + sendNextRequest(); + } + }); + + tls_socket_->handshake(socket_cb); + } else { + sendNextRequest(); + } + }); + + if (useTls()) { + tls_socket_->open(&endpoint, socket_cb); + } else { + tcp_socket_->open(&endpoint, socket_cb); + } + } + + /// @brief Send request specified in textual format. + /// + /// @param request request in the textual format. + void startRequest(const std::string& request) { + requests_to_send_.push_back(request); + start(); + } + + /// @brief Send request specified in textual format. + /// + /// @param request request in the textual format. + void startRequests(const std::list<std::string>& requests) { + requests_to_send_ = requests; + start(); + } + + /// @brief Sends the next request from the list of requests to send. + void sendNextRequest() { + // If there are any requests left to send, send them. + if (!requests_to_send_.empty()) { + std::string request = requests_to_send_.front(); + requests_to_send_.pop_front(); + if (request.empty()) { + waitForEof(); + } else { + sendRequest(request); + } + } + } + + /// @brief Send a stream request. + /// + /// @param request request data to send textual format. + /// @param send_length number of bytes to send. If not zero, can be used + /// to truncate the amount of data sent. + void sendRequest(const std::string& request, const size_t send_length = 0) { + // Prepend the length of the request. + uint16_t size = static_cast<uint16_t>(request.size()); + isc::tcp::WireData wire_request; + if (!request.empty()) { + wire_request.push_back(static_cast<uint8_t>((size & 0xff00U) >> 8)); + wire_request.push_back(static_cast<uint8_t>(size & 0x00ffU)); + wire_request.insert(wire_request.end(), request.begin(), request.end()); + } + + sendPartialRequest(wire_request, send_length); + } + + /// @brief Wait for a server to close the connection. + void waitForEof() { + stream_response_.reset(new isc::tcp::TcpStreamRequest()); + receivePartialResponse(true); + } + + /// @brief Send part of the request. + /// + /// @param request part of the request to be sent. + /// @param send_length number of bytes to send. If not zero, can be used + /// to truncate the amount of data sent. + void sendPartialRequest(isc::tcp::WireData& wire_request, size_t send_length = 0) { + if (!send_length) { + send_length = wire_request.size(); + } else { + ASSERT_LE(send_length, wire_request.size()) + << "broken test, send_length exceeds wire size"; + } + + SocketCallback socket_cb( + [this, wire_request](boost::system::error_code ec, size_t bytes_transferred) mutable { + if (ec) { + if (ec.value() == boost::asio::error::operation_aborted) { + return; + + } else if ((ec.value() == boost::asio::error::try_again) || + (ec.value() == boost::asio::error::would_block)) { + // If we should try again make sure there is no garbage in the + // bytes_transferred. + bytes_transferred = 0; + } else { + ADD_FAILURE() << "error occurred while connecting: " + << ec.message(); + done_callback_(); + return; + } + } + + // Remove the part of the request which has been sent. + if (bytes_transferred > 0 && (wire_request.size() <= bytes_transferred)) { + wire_request.erase(wire_request.begin(), + (wire_request.begin() + bytes_transferred)); + } + + // Continue sending request data if there are still some data to be + // sent. + if (!wire_request.empty()) { + sendPartialRequest(wire_request); + } else { + // Request has been sent. Start receiving response. + receivePartialResponse(); + } + }); + + if (useTls()) { + tls_socket_->asyncSend(static_cast<const void *>(wire_request.data()), + send_length, socket_cb); + } else { + tcp_socket_->asyncSend(static_cast<const void *>(wire_request.data()), + send_length, socket_cb); + } + } + + /// @brief Receive response from the server. + void receivePartialResponse(bool expect_eof = false) { + SocketCallback socket_cb( + [this, expect_eof](const boost::system::error_code& ec, + std::size_t bytes_transferred) { + if (!stream_response_) { + stream_response_.reset(new isc::tcp::TcpStreamRequest()); + } + + if (ec) { + // IO service stopped so simply return. + if (ec.value() == boost::asio::error::operation_aborted) { + return; + } else if ((ec.value() == boost::asio::error::try_again) || + (ec.value() == boost::asio::error::would_block)) { + // If we should try again, make sure that there is no garbage + // in the bytes_transferred. + bytes_transferred = 0; + } else if (expect_eof) { + expected_eof_ = true; + done_callback_(); + return; + } else { + // Error occurred, bail... + ADD_FAILURE() << "client: " << this + << " error occurred while receiving TCP" + << " response from the server: " << ec.message(); + done_callback_(); + return; + } + } + + // Post received data to the current response. + if (bytes_transferred > 0) { + stream_response_->postBuffer(buf_.data(), bytes_transferred); + } + + if (stream_response_->needData()) { + // Response is incomplete, keep reading. + receivePartialResponse(); + } else { + // Response is complete, process it. + responseReceived(); + } + }); + + isc::asiolink::TCPEndpoint from; + if (useTls()) { + tls_socket_->asyncReceive(static_cast<void*>(buf_.data()), buf_.size(), 0, + &from, socket_cb); + } else { + tcp_socket_->asyncReceive(static_cast<void*>(buf_.data()), buf_.size(), 0, + &from, socket_cb); + } + } + + /// @brief Process a completed response received from the server. + virtual void responseReceived() { + /// Unpack wire data into a string. + ASSERT_NO_THROW(stream_response_->unpack()); + std::string response = stream_response_->getRequestString(); + responses_received_.push_back(response); + + // Quit if server tells us "good bye". + if (response.find("good bye", 0) != std::string::npos) { + receive_done_ = true; + done_callback_(); + return; + } + + // Clear out for the next one. + stream_response_.reset(); + sendNextRequest(); + } + + /// @brief Close connection. + void close() { + if (useTls()) { + tls_socket_->close(); + } else { + tcp_socket_->close(); + } + } + + /// @brief Returns true if the receive completed without error. + /// + /// @return True if the receive completed successfully, false + /// otherwise. + bool receiveDone() { + return (receive_done_); + } + + /// @brief Returns true if the receive ended with expected EOF + /// + /// @return True if the receive ended with EOF, false otherwise + bool expectedEof() { + return (expected_eof_); + } + + /// @brief Returns the list of received responses. + /// + /// @return list of string responses. + const std::list<std::string>& getResponses() { + return (responses_received_); + } + + bool handshakeFailed() { + return(handshake_failed_); + } + +private: + + /// @brief Holds reference to the IO service. + boost::asio::io_service& io_service_; + + /// @brief TLS context. + isc::asiolink::TlsContextPtr tls_context_; + + /// @brief TCP socket used by this connection. + std::unique_ptr<isc::asiolink::TCPSocket<SocketCallback> > tcp_socket_; + + /// @brief TLS socket used by this connection. + std::unique_ptr<isc::asiolink::TLSSocket<SocketCallback> > tls_socket_; + + /// @brief Callback to invoke when the client has finished its work or + /// failed. + std::function<void()> done_callback_; + + /// @brief IP address of the server. + std::string server_address_; + + /// @brief IP port of the server. + uint16_t server_port_; + + /// @brief Buffer into which response is written. + std::array<char, 8192> buf_; + + /// @brief Response in the textual format. + std::string response_; + + /// @brief Set to true when the receive has completed successfully. + bool receive_done_; + + /// @brief Set to true when the receive ended in EOF as expected. In other + /// words, the server closed the connection while we were reading as we + /// expected it to do. + bool expected_eof_; + + /// @brief Set to true if the TLS handshake failed. + bool handshake_failed_; + + /// @brief Pointer to the server response currently being received. + isc::tcp::TcpStreamRequestPtr stream_response_; + + /// @brief List of string requests to send. + std::list<std::string> requests_to_send_; + + /// @brief List of string responses received. + std::list<std::string> responses_received_; +}; + +/// @brief Pointer to the TcpTestClient. +typedef boost::shared_ptr<TcpTestClient> TcpTestClientPtr; + +#endif diff --git a/src/lib/tcp/tests/tcp_test_listener.h b/src/lib/tcp/tests/tcp_test_listener.h new file mode 100644 index 0000000..5522484 --- /dev/null +++ b/src/lib/tcp/tests/tcp_test_listener.h @@ -0,0 +1,315 @@ +// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. +#ifndef TCP_TEST_LISTENER_H +#define TCP_TEST_LISTENER_H + +#include <config.h> +#include <asiolink/asio_wrapper.h> +#include <asiolink/interval_timer.h> +#include <asiolink/io_service.h> +#include <tcp/tcp_listener.h> +#include <tcp_test_client.h> + +#include <gtest/gtest.h> + +#include <sstream> + +using namespace boost::asio::ip; +using namespace isc::asiolink; +using namespace isc::tcp; + +/// @brief Describes stream message sent over a connection. +class AuditEntry { +public: + enum Direction { + INBOUND, // data received + OUTBOUND // data sent + }; + + /// @brief Constructor + /// + /// @param connection_id Id of the client to whom the entry pertains + /// @param direction INBOUND for data received, OUTBOUND for data sent + /// @param data string form of the data involved + AuditEntry(size_t connection_id, + const AuditEntry::Direction& direction, + const std::string& data) + : connection_id_(connection_id), direction_(direction), data_(data) { + } + + /// @brief Equality operator. + /// + /// @param other value to be compared. + bool operator==(const AuditEntry& other) const { + return ((connection_id_ == other.connection_id_) && + (direction_ == other.direction_) && + (data_ == other.data_)); + } + + /// @brief Unique client identifier. + size_t connection_id_; + + /// @brief Indicates which direction the data traveled + Direction direction_; + + /// @brief Contains the data sent or received. + std::string data_; +}; + +std::ostream& +operator<<(std::ostream& os, const AuditEntry& entry); + +/// @brief Contains the data receipt/transmission history for an arbitrary +/// number of connections. +class AuditTrail { +public: + /// @brief Adds an entry to the audit trail. + /// + /// @param connection_id Id of the client to whom the entry pertains + /// @param direction INBOUND for data received, OUTBOUND for data sent + /// @param data string form of the data involved + void addEntry(size_t connection_id, + const AuditEntry::Direction& direction, + const std::string& data) { + std::unique_lock<std::mutex> lck(mutex_); + entries_.push_back(AuditEntry(connection_id, direction, data)); + } + + /// @brief Returns a list of AuditEntry(s) for a given connection. + /// + /// @param connection_id Id of the desired connection + /// @return A list of entries for the connection or an empty list if none are found. + std::list<AuditEntry> getConnectionTrail(size_t connection_id) { + std::unique_lock<std::mutex> lck(mutex_); + std::list<AuditEntry> conn_entries; + for (auto entry : entries_) { + if (entry.connection_id_ == connection_id) { + conn_entries.push_back(entry); + } + } + + return (conn_entries); + } + + /// @brief Dumps the audit trail as a string. + std::string dump() { + std::unique_lock<std::mutex> lck(mutex_); + std::stringstream ss; + for (auto entry : entries_) { + ss << entry << std::endl; + } + + return (ss.str()); + } + + /// @brief Contains the audit entries. + std::list<AuditEntry> entries_; + + /// @brief Mutex used to lock during access. + std::mutex mutex_; +}; + +/// @brief Defines a pointer to an AuditTrail +typedef boost::shared_ptr<AuditTrail> AuditTrailPtr; + +/// @brief Derivation of TcpConnection used for testing. +class TcpTestConnection : public TcpConnection { +public: + typedef std::function<std::string(const std::string&)> ResponseHandler; + + /// @brief Constructor + TcpTestConnection(IOService& io_service, + const TcpConnectionAcceptorPtr& acceptor, + const TlsContextPtr& tls_context, + TcpConnectionPool& connection_pool, + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& filter_callback, + const long idle_timeout, + size_t connection_id, + AuditTrailPtr audit_trail, + ResponseHandler response_handler) + : TcpConnection(io_service, acceptor, tls_context, connection_pool, + acceptor_callback, filter_callback, idle_timeout), + connection_id_(connection_id), audit_trail_(audit_trail), + response_handler_(response_handler) { + } + + /// @brief Creates a new empty request ready to receive data. + virtual TcpRequestPtr createRequest() { + return (TcpStreamRequestPtr(new TcpStreamRequest())); + } + + /// @brief Processes a completely received request. + /// + /// Adds the request to the audit trail, then forms and sends a response. + /// If the request is "I am done", the response is "good bye" which should + /// instruct the client to disconnect. + /// + /// @param request Request to process. + virtual void requestReceived(TcpRequestPtr request) { + TcpStreamRequestPtr stream_req = boost::dynamic_pointer_cast<TcpStreamRequest>(request); + if (!stream_req) { + isc_throw(isc::Unexpected, "request not a TcpStreamRequest"); + } + + // Unpack the request and add it to the audit trail. + stream_req->unpack(); + auto request_str = stream_req->getRequestString(); + audit_trail_->addEntry(connection_id_, AuditEntry::INBOUND, request_str); + + // Create the response. + std::string response_str; + + // If there's a response handler, use it + if (response_handler_) { + response_str = response_handler_(request_str); + } else { + std::ostringstream os; + if (request_str.find("I am done", 0) != std::string::npos) { + os << "good bye"; + } else { + os << "echo " << request_str; + } + + response_str = os.str(); + } + + // Ship the response if it's not empty. + TcpStreamResponsePtr response; + if (!response_str.empty()) { + response.reset(new TcpStreamResponse()); + response->setResponseData(response_str); + response->pack(); + asyncSendResponse(response); + } + } + + /// @brief Processes a response once it has been sent. + /// + /// Adds the response to the audit trail and returns true, signifying + /// that the connection should start the idle timer. + /// + /// @param response Response that was sent to the remote endpoint. + virtual bool responseSent(TcpResponsePtr response) { + TcpStreamResponsePtr resp = boost::dynamic_pointer_cast<TcpStreamResponse>(response); + if (!resp) { + isc_throw(isc::Unexpected, "resp not a TcpStreamResponse"); + } + + audit_trail_->addEntry(connection_id_, AuditEntry::OUTBOUND, resp->getResponseString()); + return (true); + } + + /// @brief Set the response handler + /// + /// Sets the response handler invoked by requestReceived. + /// + /// @param response_handler Handler function to invoke + void setResponseHandler(ResponseHandler response_handler) { + response_handler_ = response_handler; + }; + +private: + /// @brief Id of this connection. + size_t connection_id_; + + /// @brief Provides request/response history. + AuditTrailPtr audit_trail_; + + /// @brief Reponse handler to pass into each connection. + ResponseHandler response_handler_; +}; + +/// @brief Defines a shared pointer to a TcpTestConnection. +typedef boost::shared_ptr<TcpTestConnection> TcpTestConnectionPtr; + +/// @brief Implementation of the TCPListener used in tests. +/// +/// Implements simple stream in/out listener. +class TcpTestListener : public TcpListener { +public: + /// @brief Constructor + TcpTestListener(IOService& io_service, + const IOAddress& server_address, + const unsigned short server_port, + const TlsContextPtr& tls_context, + const IdleTimeout& idle_timeout, + const TcpConnectionFilterCallback& filter_callback = 0, + const size_t read_max = 32 * 1024) + : TcpListener(io_service, server_address, server_port, + tls_context, idle_timeout, filter_callback), + read_max_(read_max), next_connection_id_(0), + audit_trail_(new AuditTrail()) { + } + +protected: + /// @brief Creates an instance of the @c TcpConnection. + /// + /// @param callback Callback invoked when new connection is accepted. + /// @param connection_filter Callback invoked during connection acceptance + /// that can allow or deny connections based on the remote endpoint. + /// @return Pointer to the created connection. + virtual TcpConnectionPtr createConnection( + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& connection_filter) { + return(createTestConnection(acceptor_callback, connection_filter, response_handler_)); + } + + /// @brief Creates an instance of the @c TcpTestConnection. + /// + /// @param acceptor_callback Callback invoked when new connection is accepted. + /// @param connection_filter Callback invoked during connection acceptance + /// that can allow or deny connections based on the remote endpoint. + /// @param callback invoked by requestReceived() to build a response + /// + /// @return Pointer to the created connection. + virtual TcpTestConnectionPtr createTestConnection( + const TcpConnectionAcceptorCallback& acceptor_callback, + const TcpConnectionFilterCallback& connection_filter, + TcpTestConnection::ResponseHandler response_handler) { + TcpTestConnectionPtr conn(new TcpTestConnection(io_service_, + acceptor_, + tls_context_, + connections_, + acceptor_callback, + connection_filter, + idle_timeout_, + ++next_connection_id_, + audit_trail_, + response_handler)); + conn->setReadMax(read_max_); + return (conn); + } + + /// @brief Maximum size of a single socket read + size_t read_max_; + + /// @brief Id to use for the next connection. + size_t next_connection_id_; + + /// @brief Callback connection invokes in requestReceived to construct a response. + TcpTestConnection::ResponseHandler response_handler_; + +public: + + /// @brief Set the response handler + /// + /// Sets the response handler invoked by requestReceived. + /// + /// @param response_handler Handler function to invoke + void setResponseHandler(TcpTestConnection::ResponseHandler response_handler) { + response_handler_ = response_handler; + }; + + + /// @brief Tracks the input/output history of all connections. + AuditTrailPtr audit_trail_; +}; + +/// @brief Defines a pointer to a TcpTestListener. +typedef boost::shared_ptr<TcpTestListener> TcpTestListenerPtr; + +#endif // TCP_TEST_LISTENER_H diff --git a/src/lib/tcp/tests/tls_listener_unittests.cc b/src/lib/tcp/tests/tls_listener_unittests.cc new file mode 100644 index 0000000..f628680 --- /dev/null +++ b/src/lib/tcp/tests/tls_listener_unittests.cc @@ -0,0 +1,498 @@ +// Copyright (C) 2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> +#include <asiolink/asio_wrapper.h> +#include <asiolink/interval_timer.h> +#include <asiolink/testutils/test_tls.h> +#include <asiolink/io_service.h> +#include <tcp_test_listener.h> +#include <tcp_test_client.h> + +#include <gtest/gtest.h> + +#include <sstream> + +using namespace boost::asio::ip; +using namespace isc::asiolink; +using namespace isc::asiolink::test; +using namespace isc::tcp; + +namespace ph = std::placeholders; + +namespace { + +/// @brief IP address to which service is bound. +const std::string SERVER_ADDRESS = "127.0.0.1"; + +/// @brief IPv6 address to whch service is bound. +const std::string IPV6_SERVER_ADDRESS = "::1"; + +/// @brief Port number to which service is bound. +const unsigned short SERVER_PORT = 18123; + +/// @brief Request Timeout used in most of the tests (ms). +const long REQUEST_TIMEOUT = 10000; + +/// @brief Connection idle timeout used in tests where idle connections +/// are tested (ms). +const long SHORT_REQUEST_TIMEOUT = 200; + +/// @brief Connection idle timeout used in most of the tests (ms). +const long IDLE_TIMEOUT = 10000; + +/// @brief Connection idle timeout used in tests where idle connections +/// are tested (ms). +const long SHORT_IDLE_TIMEOUT = 200; + +/// @brief Test timeout (ms). +const long TEST_TIMEOUT = 10000; + +/// @brief Test fixture class for @ref TcpListener that uses TLS. +class TlsListenerTest : public ::testing::Test { +public: + + /// @brief Constructor. + /// + /// Starts test timer which detects timeouts. + TlsListenerTest() + : io_service_(), test_timer_(io_service_), + run_io_service_timer_(io_service_), + clients_(), clients_done_(0) { + test_timer_.setup(std::bind(&TlsListenerTest::timeoutHandler, this, true), + TEST_TIMEOUT, + IntervalTimer::ONE_SHOT); + } + + /// @brief Destructor. + /// + /// Removes active clients. + virtual ~TlsListenerTest() { + for (auto client : clients_) { + client->close(); + } + } + + /// @brief Fetch the server TLS context. + TlsContextPtr serverContext() { + TlsContextPtr tls_context; + configServer(tls_context); + return(tls_context); + } + + /// @brief Fetch a client TLS context that works with the server context. + TlsContextPtr clientContext() { + TlsContextPtr tls_context; + configClient(tls_context); + return(tls_context); + } + + /// @brief Create a new client. + /// + /// This method creates TcpTestClient instance and retains it in + /// the clients_ list. + /// @param tls_context TLS context to assign to the client. + TcpTestClientPtr createClient(TlsContextPtr tls_context) { + TcpTestClientPtr client(new TcpTestClient(io_service_, + std::bind(&TlsListenerTest::clientDone, this), + tls_context)); + clients_.push_back(client); + return (client); + } + + /// @brief Connect to the endpoint and send a request. + /// + /// This method creates TcpTestClient instance and retains it in + /// the clients_ list. + /// + /// @param request String containing the request to be sent. + /// @param tls_context TLS context to assign to the client. + void startRequest(const std::string& request, TlsContextPtr tls_context) { + ASSERT_TRUE(tls_context); + TcpTestClientPtr client = createClient(tls_context); + client->startRequest(request); + } + + /// @brief Connect to the endpoint and send a list of requests. + /// + /// This method creates a TcpTestClient instance and initiates a + /// series of requests. + /// + /// @param request String containing the request to be sent. + /// @param tls_context TLS context to assign to the client. + void startRequests(const std::list<std::string>& requests, + TlsContextPtr tls_context) { + ASSERT_TRUE(tls_context); + TcpTestClientPtr client = createClient(tls_context); + client->startRequests(requests); + } + + /// @brief Callback function invoke upon test timeout. + /// + /// It stops the IO service and reports test timeout. + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void timeoutHandler(const bool fail_on_timeout) { + if (fail_on_timeout) { + ADD_FAILURE() << "Timeout occurred while running the test!"; + } + io_service_.stop(); + } + + /// @brief Callback function each client invokes when done. + /// + /// It stops the IO service when all clients are done. + /// + /// @param fail_on_timeout Specifies if test failure should be reported. + void clientDone() { + ++clients_done_; + if (clients_done_ >= clients_.size()) { + // They're all done or dead. Stop the service. + io_service_.stop(); + } + } + + /// @brief Runs IO service with optional timeout. + /// + /// @param timeout Optional value specifying for how long the io service + /// should be ran. + void runIOService(long timeout = 0) { + io_service_.get_io_service().reset(); + + if (timeout > 0) { + run_io_service_timer_.setup(std::bind(&TlsListenerTest::timeoutHandler, + this, false), + timeout, + IntervalTimer::ONE_SHOT); + } + io_service_.run(); + io_service_.get_io_service().reset(); + io_service_.poll(); + } + + /// @brief Filter that denies every other connection. + /// + /// @param remote_endpoint_address ip address of the remote end of + /// a connection. + bool connectionFilter(const boost::asio::ip::tcp::endpoint& remote_endpoint) { + static size_t count = 0; + // If the address doesn't match, something hinky is going on, so + // we'll reject them all. If it does match, then cool, it works + // as expected. + if ((count++ % 2) || + (remote_endpoint.address().to_string() != SERVER_ADDRESS)) { + // Reject every other connection; + return (false); + } + + return (true); + } + + /// @brief IO service used in the tests. + IOService io_service_; + + /// @brief Asynchronous timer service to detect timeouts. + IntervalTimer test_timer_; + + /// @brief Asynchronous timer for running IO service for a specified amount + /// of time. + IntervalTimer run_io_service_timer_; + + /// @brief List of client connections. + std::list<TcpTestClientPtr> clients_; + + /// @brief Counts the number of clients that have reported as done. + size_t clients_done_; +}; + +// This test verifies that a TLS connection can be established with a client +// with valid TLS credentials. +TEST_F(TlsListenerTest, listen) { + const std::string request = "I am done"; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + ASSERT_NO_THROW(startRequest(request, clientContext())); + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + ASSERT_TRUE(client); + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + + // Verify the audit trail for the connection. + // Sanity check to make sure we don't have more entries than we expect. + ASSERT_EQ(listener.audit_trail_->entries_.size(), 2); + + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { 1, AuditEntry::INBOUND, "I am done" }, + { 1, AuditEntry::OUTBOUND, "good bye" } + }; + + // Verify the audit trail. + ASSERT_EQ(expected_entries, listener.audit_trail_->getConnectionTrail(1)); + + listener.stop(); + io_service_.poll(); +} + +// This test verifies that a TLS connection is denied to a client +// with invalid TLS credentials. +TEST_F(TlsListenerTest, badClient) { + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + + TlsContextPtr bad_client_ctx; + configSelf(bad_client_ctx); + ASSERT_NO_THROW(startRequest("", bad_client_ctx)); + + ASSERT_NO_THROW(runIOService()); + + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + ASSERT_TRUE(client); + EXPECT_FALSE(client->receiveDone()); + + // Either we failed during handshake or we EOF'd as expected. OpenSSL fails + // after handshake, Botan before it. + EXPECT_TRUE(client->expectedEof() || client->handshakeFailed()); +} + +// This test verifies that a TLS connection can receive a complete +// message that spans multiple socket reads. +TEST_F(TlsListenerTest, splitReads) { + const std::string request = "I am done"; + + // Read at most one byte at a time. + size_t read_max = 1; + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT), + 0, + read_max); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + ASSERT_NO_THROW(startRequest(request, clientContext())); + ASSERT_NO_THROW(runIOService()); + + // Fetch the client. + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + ASSERT_TRUE(client); + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + + listener.stop(); + io_service_.poll(); +} + +// This test verifies that a TLS connection can be established and used to +// transmit a streamed request and receive a streamed response. +TEST_F(TlsListenerTest, idleTimeoutTest) { + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(SHORT_IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + // Start a client with an empty request. Empty requests tell the client + // to read without sending anything and expect the read to fail when + // the listener idle times out the socket. + ASSERT_NO_THROW(startRequest("", clientContext())); + + // Run until idle timer expires. + ASSERT_NO_THROW(runIOService()); + + ASSERT_EQ(1, clients_.size()); + TcpTestClientPtr client = *clients_.begin(); + EXPECT_FALSE(client->receiveDone()); + EXPECT_TRUE(client->expectedEof()); + + listener.stop(); + io_service_.poll(); +} + +// This test verifies that TLS connections with multiple clients. +TEST_F(TlsListenerTest, multipleClientsListen) { + const std::string request = "I am done"; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + ASSERT_NO_THROW(startRequest(request, clientContext())); + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + size_t connection_id = 1; + for (auto client : clients_) { + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { connection_id, AuditEntry::INBOUND, "I am done" }, + { connection_id, AuditEntry::OUTBOUND, "good bye" } + }; + + // Fetch the entries for this connection. + auto entries = listener.audit_trail_->getConnectionTrail(connection_id); + ASSERT_EQ(expected_entries, entries); + ++connection_id; + } + + listener.stop(); + io_service_.poll(); +} + +// Verify that the listener handles multiple requests for multiple +// clients. +TEST_F(TlsListenerTest, multipleRequetsPerClients) { + std::list<std::string>requests{ "one", "two", "three", "I am done"}; + + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + ASSERT_NO_THROW(startRequests(requests, clientContext())); + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + std::list<std::string>expected_responses{ "echo one", "echo two", + "echo three", "good bye"}; + size_t connection_id = 1; + for (auto client : clients_) { + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + EXPECT_EQ(expected_responses, client->getResponses()); + + // Verify the connection's audit trail. + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { connection_id, AuditEntry::INBOUND, "one" }, + { connection_id, AuditEntry::OUTBOUND, "echo one" }, + { connection_id, AuditEntry::INBOUND, "two" }, + { connection_id, AuditEntry::OUTBOUND, "echo two" }, + { connection_id, AuditEntry::INBOUND, "three" }, + { connection_id, AuditEntry::OUTBOUND, "echo three" }, + { connection_id, AuditEntry::INBOUND, "I am done" }, + { connection_id, AuditEntry::OUTBOUND, "good bye" } + }; + + // Fetch the entries for this connection. + auto entries = listener.audit_trail_->getConnectionTrail(connection_id); + ASSERT_EQ(expected_entries, entries); + ++connection_id; + } + + listener.stop(); + io_service_.poll(); +} + +// Verify that connection filtering can eliminate specific connections. +TEST_F(TlsListenerTest, filterClientsTest) { + TcpTestListener listener(io_service_, + IOAddress(SERVER_ADDRESS), + SERVER_PORT, + serverContext(), + TcpListener::IdleTimeout(IDLE_TIMEOUT), + std::bind(&TlsListenerTest::connectionFilter, this, ph::_1)); + + ASSERT_NO_THROW(listener.start()); + ASSERT_EQ(SERVER_ADDRESS, listener.getLocalAddress().toText()); + ASSERT_EQ(SERVER_PORT, listener.getLocalPort()); + size_t num_clients = 5; + for (auto i = 0; i < num_clients; ++i) { + // Every other client sends nothing (i.e. waits for EOF) as + // we expect the filter to reject them. + if (i % 2 == 0) { + ASSERT_NO_THROW(startRequest("I am done", clientContext())); + } else { + ASSERT_NO_THROW(startRequest("", clientContext())); + } + } + + ASSERT_NO_THROW(runIOService()); + ASSERT_EQ(num_clients, clients_.size()); + + size_t i = 0; + for (auto client : clients_) { + if (i % 2 == 0) { + // These clients should have been accepted and received responses. + EXPECT_TRUE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + EXPECT_FALSE(client->handshakeFailed()); + + // Now verify the AuditTrail. + // Create the list of expected entries. + std::list<AuditEntry> expected_entries { + { i+1, AuditEntry::INBOUND, "I am done" }, + { i+1, AuditEntry::OUTBOUND, "good bye" } + }; + + auto entries = listener.audit_trail_->getConnectionTrail(i+1); + ASSERT_EQ(expected_entries, entries); + + } else { + // Connection filtering closes the connection before the client + // initiates the handshake, causing the subsequent handshake attempt + // to fail. + EXPECT_FALSE(client->receiveDone()); + EXPECT_FALSE(client->expectedEof()); + EXPECT_TRUE(client->handshakeFailed()); + + // Verify connection recorded no audit entries. + auto entries = listener.audit_trail_->getConnectionTrail(i+1); + ASSERT_EQ(entries.size(), 0); + } + + ++i; + } + + listener.stop(); + io_service_.poll(); +} + +} |