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diff --git a/bin/tests/system/start.pl b/bin/tests/system/start.pl
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+#!/usr/bin/perl -w
+#
+# Copyright (C) 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/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Framework for starting test servers.
+# Based on the type of server specified, check for port availability, remove
+# temporary files, start the server, and verify that the server is running.
+# If a server is specified, start it. Otherwise, start all servers for test.
+
+use strict;
+use Cwd;
+use Cwd 'abs_path';
+use Getopt::Long;
+
+# Usage:
+# perl start.pl [--noclean] [--restart] [--port port] test [server [options]]
+#
+# --noclean Do not cleanup files in server directory.
+#
+# --restart Indicate that the server is being restarted, so get the
+# server to append output to an existing log file instead of
+# starting a new one.
+#
+# --port port Specify the default port being used by the server to answer
+# queries (default 5300). This script will interrogate the
+# server on this port to see if it is running. (Note: for
+# "named" nameservers, this can be overridden by the presence
+# of the file "named.port" in the server directory containing
+# the number of the query port.)
+#
+# test Name of the test directory.
+#
+# server Name of the server directory. This will be of the form
+# "nsN" or "ansN", where "N" is an integer between 1 and 8.
+# If not given, the script will start all the servers in the
+# test directory.
+#
+# options Alternate options for the server.
+#
+# NOTE: options must be specified with '-- "<option list>"',
+# for instance: start.pl . ns1 -- "-c n.conf -d 43"
+#
+# ALSO NOTE: this variable will be filled with the contents
+# of the first non-commented/non-blank line of args in a file
+# called "named.args" in an ns*/ subdirectory. Only the FIRST
+# non-commented/non-blank line is used (everything else in
+# the file is ignored). If "options" is already set, then
+# "named.args" is ignored.
+
+my $usage = "usage: $0 [--noclean] [--restart] [--port <port>] test-directory [server-directory [server-options]]";
+my $noclean = '';
+my $restart = '';
+my $queryport = 5300;
+
+GetOptions('noclean' => \$noclean, 'restart' => \$restart, 'port=i' => \$queryport) or die "$usage\n";
+
+my $test = $ARGV[0];
+my $server = $ARGV[1];
+my $options = $ARGV[2];
+
+if (!$test) {
+ die "$usage\n";
+}
+if (!-d $test) {
+ die "No test directory: \"$test\"\n";
+}
+if ($server && !-d "$test/$server") {
+ die "No server directory: \"$test/$server\"\n";
+}
+
+# Global variables
+my $topdir = abs_path("$test/..");
+my $testdir = abs_path("$test");
+my $NAMED = $ENV{'NAMED'};
+my $LWRESD = $ENV{'LWRESD'};
+my $DIG = $ENV{'DIG'};
+my $PERL = $ENV{'PERL'};
+my $PYTHON = $ENV{'PYTHON'};
+
+# Start the server(s)
+
+if ($server) {
+ if ($server =~ /^ns/) {
+ &check_ports($server);
+ }
+ &start_server($server, $options);
+ if ($server =~ /^ns/) {
+ &verify_server($server);
+ }
+} else {
+ # Determine which servers need to be started for this test.
+ opendir DIR, $testdir;
+ my @files = sort readdir DIR;
+ closedir DIR;
+
+ my @ns = grep /^ns[0-9]*$/, @files;
+ my @lwresd = grep /^lwresd[0-9]*$/, @files;
+ my @ans = grep /^ans[0-9]*$/, @files;
+ my $name;
+
+ # Start the servers we found.
+ &check_ports();
+ foreach $name(@ns, @lwresd, @ans) {
+ &start_server($name);
+ &verify_server($name) if ($name =~ /^ns/);
+ }
+}
+
+# Subroutines
+
+sub check_ports {
+ my $server = shift;
+ my $options = "";
+ my $port = $queryport;
+ my $file = "";
+
+ $file = $testdir . "/" . $server . "/named.port" if ($server);
+
+ if ($server && $server =~ /(\d+)$/) {
+ $options = "-i $1";
+ }
+
+ if ($file ne "" && -e $file) {
+ open(FH, "<", $file);
+ while(my $line=<FH>) {
+ chomp $line;
+ $port = $line;
+ last;
+ }
+ close FH;
+ }
+
+ my $tries = 0;
+ while (1) {
+ my $return = system("$PERL $topdir/testsock.pl -p $port $options");
+ last if ($return == 0);
+ if (++$tries > 4) {
+ print "$0: could not bind to server addresses, still running?\n";
+ print "I:server sockets not available\n";
+ print "I:failed\n";
+ system("$PERL $topdir/stop.pl $testdir"); # Is this the correct behavior?
+ exit 1;
+ }
+ print "I:Couldn't bind to socket (yet)\n";
+ sleep 2;
+ }
+}
+
+sub start_server {
+ my $server = shift;
+ my $options = shift;
+
+ my $cleanup_files;
+ my $command;
+ my $pid_file;
+ my $cwd = getcwd();
+ my $args_file = $cwd . "/" . $test . "/" . $server . "/" . "named.args";
+
+ if ($server =~ /^ns/) {
+ $cleanup_files = "{*.jnl,*.bk,*.st,named.run}";
+ if ($ENV{'USE_VALGRIND'}) {
+ $command = "valgrind -q --gen-suppressions=all --num-callers=48 --fullpath-after= --log-file=named-$server-valgrind-%p.log ";
+ if ($ENV{'USE_VALGRIND'} eq 'helgrind') {
+ $command .= "--tool=helgrind ";
+ } else {
+ $command .= "--tool=memcheck --track-origins=yes --leak-check=full ";
+ }
+ $command .= "$NAMED -m none -M external ";
+ } else {
+ $command = "$NAMED ";
+ }
+ if ($options) {
+ $command .= "$options";
+ } elsif (-e $args_file) {
+ open(FH, "<", $args_file);
+ while(my $line=<FH>)
+ {
+ #$line =~ s/\R//g;
+ chomp $line;
+ next if ($line =~ /^\s*$/); #discard blank lines
+ next if ($line =~ /^\s*#/); #discard comment lines
+ $line =~ s/#.*$//g;
+ $options = $line;
+ last;
+ }
+ close FH;
+ $command .= "$options";
+ } else {
+ $command .= "-D $test-$server ";
+ $command .= "-X named.lock ";
+ $command .= "-m record,size,mctx ";
+ $command .= "-T clienttest ";
+ $command .= "-T nosoa "
+ if (-e "$testdir/$server/named.nosoa");
+ $command .= "-T noaa "
+ if (-e "$testdir/$server/named.noaa");
+ $command .= "-T noedns "
+ if (-e "$testdir/$server/named.noedns");
+ $command .= "-T dropedns "
+ if (-e "$testdir/$server/named.dropedns");
+ $command .= "-T maxudp512 "
+ if (-e "$testdir/$server/named.maxudp512");
+ $command .= "-T maxudp1460 "
+ if (-e "$testdir/$server/named.maxudp1460");
+ $command .= "-c named.conf -d 99 -g -U 4";
+ }
+ $command .= " -T notcp"
+ if (-e "$testdir/$server/named.notcp");
+ if ($restart) {
+ $command .= " >>named.run 2>&1 &";
+ } else {
+ $command .= " >named.run 2>&1 &";
+ }
+ $pid_file = "named.pid";
+ } elsif ($server =~ /^lwresd/) {
+ $cleanup_files = "{lwresd.run}";
+ if ($ENV{'USE_VALGRIND'}) {
+ $command = "valgrind -q --gen-suppressions=all --num-callers=48 --fullpath-after= --log-file=lwresd-valgrind-%p.log ";
+ if ($ENV{'USE_VALGRIND'} eq 'helgrind') {
+ $command .= "--tool=helgrind ";
+ } else {
+ $command .= "--tool=memcheck --track-origins=yes --leak-check=full ";
+ }
+ $command .= "$LWRESD -m none -M external ";
+ } else {
+ $command = "$LWRESD ";
+ }
+ if ($options) {
+ $command .= "$options";
+ } else {
+ $command .= "-X lwresd.lock ";
+ $command .= "-m record,size,mctx ";
+ $command .= "-T clienttest ";
+ $command .= "-C resolv.conf -d 99 -g -U 4 ";
+ $command .= "-i lwresd.pid -P 9210 -p 5300";
+ }
+ if ($restart) {
+ $command .= " >>lwresd.run 2>&1 &";
+ } else {
+ $command .= " >lwresd.run 2>&1 &";
+ }
+ $pid_file = "lwresd.pid";
+ } elsif ($server =~ /^ans/) {
+ $cleanup_files = "{ans.run}";
+ if (-e "$testdir/$server/ans.py") {
+ $command = "$PYTHON -u ans.py 10.53.0.$' $queryport";
+ } elsif (-e "$testdir/$server/ans.pl") {
+ $command = "$PERL ans.pl";
+ } else {
+ $command = "$PERL $topdir/ans.pl 10.53.0.$'";
+ }
+ if ($options) {
+ $command .= "$options";
+ } else {
+ $command .= "";
+ }
+ if ($restart) {
+ $command .= " >>ans.run 2>&1 &";
+ } else {
+ $command .= " >ans.run 2>&1 &";
+ }
+ $pid_file = "ans.pid";
+ } else {
+ print "I:Unknown server type $server\n";
+ print "I:failed\n";
+ system "$PERL $topdir/stop.pl $testdir";
+ exit 1;
+ }
+
+ # print "I:starting server %s\n",$server;
+
+ chdir "$testdir/$server";
+
+ unless ($noclean) {
+ unlink glob $cleanup_files;
+ }
+
+ # get the shell to report the pid of the server ($!)
+ $command .= "echo \$!";
+
+ # start the server
+ my $child = `$command`;
+ $child =~ s/\s+$//g;
+
+ # wait up to 14 seconds for the server to start and to write the
+ # pid file otherwise kill this server and any others that have
+ # already been started
+ my $tries = 0;
+ while (!-s $pid_file) {
+ if (++$tries > 140) {
+ print "I:Couldn't start server $server (pid=$child)\n";
+ print "I:failed\n";
+ system "kill -9 $child" if ("$child" ne "");
+ system "$PERL $topdir/stop.pl $testdir";
+ exit 1;
+ }
+ # sleep for 0.1 seconds
+ select undef,undef,undef,0.1;
+ }
+
+ # go back to the top level directory
+ chdir $cwd;
+}
+
+sub verify_server {
+ my $server = shift;
+ my $n = $server;
+ my $port = $queryport;
+ my $tcp = "+tcp";
+
+ $n =~ s/^ns//;
+
+ if (-e "$testdir/$server/named.port") {
+ open(FH, "<", "$testdir/$server/named.port");
+ while(my $line=<FH>) {
+ chomp $line;
+ $port = $line;
+ last;
+ }
+ close FH;
+ }
+
+ $tcp = "" if (-e "$testdir/$server/named.notcp");
+
+ my $tries = 0;
+ while (1) {
+ my $return = system("$DIG $tcp +noadd +nosea +nostat +noquest +nocomm +nocmd +noedns -p $port version.bind. chaos txt \@10.53.0.$n > dig.out");
+ last if ($return == 0);
+ if (++$tries >= 30) {
+ print "I:no response from $server\n";
+ print "I:failed\n";
+ system("$PERL $topdir/stop.pl $testdir");
+ exit 1;
+ }
+ sleep 2;
+ }
+ unlink "dig.out";
+}
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