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Diffstat (limited to '')
| -rw-r--r-- | bin/tests/optional/log_test.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/bin/tests/optional/log_test.c b/bin/tests/optional/log_test.c new file mode 100644 index 0000000..006b1e2 --- /dev/null +++ b/bin/tests/optional/log_test.c @@ -0,0 +1,344 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#include <stdbool.h> +#include <stdlib.h> +#include <unistd.h> + +#include <isc/commandline.h> +#include <isc/mem.h> +#include <isc/print.h> +#include <isc/string.h> +#include <isc/util.h> + +#include <dns/log.h> + +#define TEST_FILE "/tmp/test_log" +#define SYSLOG_FILE "/var/log/daemon.log" +#define FILE_VERSIONS 10 + +char usage[] = "Usage: %s [-m] [-s syslog_logfile] [-r file_versions]\n"; + +#define CHECK(expr) \ + result = expr; \ + if (result != ISC_R_SUCCESS) { \ + fprintf(stderr, "%s: " #expr "%s: exiting\n", progname, \ + isc_result_totext(result)); \ + } + +int +main(int argc, char **argv) { + const char *progname, *syslog_file, *message; + int ch, i, file_versions, stderr_line; + bool show_final_mem = false; + isc_log_t *lctx; + isc_logconfig_t *lcfg; + isc_mem_t *mctx; + isc_result_t result; + isc_logdestination_t destination; + const isc_logcategory_t *category; + const isc_logmodule_t *module; + + progname = strrchr(*argv, '/'); + if (progname != NULL) { + progname++; + } else { + progname = *argv; + } + + syslog_file = SYSLOG_FILE; + file_versions = FILE_VERSIONS; + + while ((ch = isc_commandline_parse(argc, argv, "ms:r:")) != -1) { + switch (ch) { + case 'm': + show_final_mem = true; + break; + case 's': + syslog_file = isc_commandline_argument; + break; + case 'r': + file_versions = atoi(isc_commandline_argument); + if (file_versions < 0 && + file_versions != ISC_LOG_ROLLNEVER && + file_versions != ISC_LOG_ROLLINFINITE) + { + fprintf(stderr, + "%s: file rotations must be " + "%d (ISC_LOG_ROLLNEVER),\n\t" + "%d (ISC_LOG_ROLLINFINITE) " + "or > 0\n", + progname, ISC_LOG_ROLLNEVER, + ISC_LOG_ROLLINFINITE); + exit(1); + } + break; + case '?': + fprintf(stderr, usage, progname); + exit(1); + } + } + + argc -= isc_commandline_index; + argv += isc_commandline_index; + POST(argv); + + if (argc > 0) { + fprintf(stderr, usage, progname); + exit(1); + } + + fprintf(stderr, "EXPECT:\n%s%d%s%s%s", + "8 lines to stderr (first 4 numbered, #3 repeated)\n", + file_versions == 0 || file_versions == ISC_LOG_ROLLNEVER ? 1 + : file_versions > 0 ? file_versions + 1 + : FILE_VERSIONS + 1, + " " TEST_FILE " files, and\n", "2 lines to syslog\n", + "lines ending with exclamation marks are errors\n\n"); + + isc_log_opensyslog(progname, LOG_PID, LOG_DAEMON); + + mctx = NULL; + lctx = NULL; + lcfg = NULL; + + isc_mem_create(&mctx); + isc_log_create(mctx, &lctx, &lcfg); + + isc_log_settag(lcfg, progname); + + isc_log_setcontext(lctx); + dns_log_init(lctx); + dns_log_setcontext(lctx); + + /* + * Test isc_log_categorybyname and isc_log_modulebyname. + */ + category = isc_log_categorybyname(lctx, "notify"); + if (category != NULL) { + fprintf(stderr, "%s category found. (expected)\n", + category->name); + } else { + fprintf(stderr, "notify category not found!\n"); + } + + module = isc_log_modulebyname(lctx, "xyzzy"); + if (module != NULL) { + fprintf(stderr, "%s module found!\n", module->name); + } else { + fprintf(stderr, "xyzzy module not found. (expected)\n"); + } + + /* + * Create a file channel to test file opening, size limiting and + * version rolling. + */ + + destination.file.name = TEST_FILE; + destination.file.maximum_size = 1; + destination.file.versions = file_versions; + + isc_log_createchannel( + lcfg, "file_test", ISC_LOG_TOFILE, ISC_LOG_INFO, &destination, + ISC_LOG_PRINTTIME | ISC_LOG_PRINTTAG | ISC_LOG_PRINTLEVEL | + ISC_LOG_PRINTCATEGORY | ISC_LOG_PRINTMODULE); + + /* + * Create a dynamic debugging channel to a file descriptor. + */ + destination.file.stream = stderr; + + isc_log_createchannel(lcfg, "debug_test", ISC_LOG_TOFILEDESC, + ISC_LOG_DYNAMIC, &destination, + ISC_LOG_PRINTTIME | ISC_LOG_PRINTLEVEL | + ISC_LOG_DEBUGONLY); + + /* + * Test the usability of the four predefined logging channels. + */ + CHECK(isc_log_usechannel(lcfg, "default_syslog", + DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE)); + CHECK(isc_log_usechannel(lcfg, "default_stderr", + DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE)); + CHECK(isc_log_usechannel(lcfg, "default_debug", + DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE)); + CHECK(isc_log_usechannel(lcfg, "null", DNS_LOGCATEGORY_DATABASE, NULL)); + + /* + * Use the custom channels. + */ + CHECK(isc_log_usechannel(lcfg, "file_test", DNS_LOGCATEGORY_GENERAL, + DNS_LOGMODULE_DB)); + + CHECK(isc_log_usechannel(lcfg, "debug_test", DNS_LOGCATEGORY_GENERAL, + DNS_LOGMODULE_RBTDB)); + + fprintf(stderr, "\n==> stderr begin\n"); + + /* + * Write to the internal default by testing both a category for which + * no channel has been specified and a category which was specified + * but not with the named module. + */ + stderr_line = 1; + + isc_log_write(lctx, DNS_LOGCATEGORY_SECURITY, DNS_LOGMODULE_RBT, + ISC_LOG_CRITICAL, "%s (%d)", + "Unspecified category and unspecified module to stderr", + stderr_line++); + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBT, + ISC_LOG_CRITICAL, "%s (%d)", + "Specified category and unspecified module to stderr", + stderr_line++); + + /* + * Write to default_syslog, default_stderr and default_debug. + */ + isc_log_write(lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_WARNING, "%s (%d twice)", + "Using the predefined channels to syslog+stderr", + stderr_line++); + + /* + * Write to predefined null channel. + */ + isc_log_write(lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_RBTDB, + ISC_LOG_INFO, "This is to null and should not appear!"); + + /* + * Reset the internal default to use syslog instead of stderr, + * and test it. + */ + CHECK(isc_log_usechannel(lcfg, "default_syslog", + ISC_LOGCATEGORY_DEFAULT, NULL)); + isc_log_write(lctx, DNS_LOGCATEGORY_SECURITY, DNS_LOGMODULE_RBT, + ISC_LOG_ERROR, "%s%s", + "This message to the redefined default category should ", + "be second in syslog"); + /* + * Write to the file channel. + */ + if (file_versions >= 0 || file_versions == ISC_LOG_ROLLINFINITE) { + /* + * If file_versions is 0 or ISC_LOG_ROLLINFINITE, write + * the "should not appear" and "should be in file" messages + * to ensure they get rolled. + */ + if (file_versions <= 0) { + file_versions = FILE_VERSIONS; + } else { + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, + DNS_LOGMODULE_DB, ISC_LOG_NOTICE, + "This should be rolled over " + "and not appear!"); + } + + for (i = file_versions - 1; i >= 0; i--) { + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, + DNS_LOGMODULE_DB, ISC_LOG_NOTICE, + "should be in file %d/%d", i, + file_versions - 1); + } + + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_DB, + ISC_LOG_NOTICE, "should be in base file"); + } else { + file_versions = FILE_VERSIONS; + for (i = 1; i <= file_versions; i++) { + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, + DNS_LOGMODULE_DB, ISC_LOG_NOTICE, + "This is message %d in the log file", i); + } + } + + /* + * Write a debugging message to a category that has no + * debugging channels for the named module. + */ + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_DB, + ISC_LOG_DEBUG(1), + "This debug message should not appear!"); + + /* + * Write debugging messages to a dynamic debugging channel. + */ + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_CRITICAL, + "This critical message should " + "not appear because the debug level is 0!"); + + isc_log_setdebuglevel(lctx, 3); + + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_DEBUG(1), "%s (%d)", + "Dynamic debugging to stderr", stderr_line++); + isc_log_write(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_DEBUG(5), + "This debug level is too high and should not appear!"); + + /* + * Test out the duplicate filtering using the debug_test channel. + */ + isc_log_setduplicateinterval(lcfg, 10); + message = "This message should appear only once on stderr"; + + isc_log_write1(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_CRITICAL, "%s", message); + isc_log_write1(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_CRITICAL, "%s", message); + + isc_log_setduplicateinterval(lcfg, 1); + message = "This message should appear twice on stderr"; + + isc_log_write1(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_CRITICAL, "%s", message); + sleep(2); + isc_log_write1(lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_RBTDB, + ISC_LOG_CRITICAL, "%s", message); + + /* + * Review where everything went. + * XXXDCL NT + */ + fputc('\n', stderr); + if (system("head " TEST_FILE "*; rm -f " TEST_FILE "*") != 0) { + fprintf(stderr, "system(\"head " TEST_FILE "*; rm -f " TEST_FILE + "*\") failed\n"); + goto cleanup; + } + + /* This is highly system specific. */ + if (freopen(syslog_file, "r", stdin) == NULL) { + fprintf(stderr, "freopen(%s, \"r\", stdin) failed\n", + syslog_file); + goto cleanup; + } + fprintf(stderr, "\n==> %s <==\n", syslog_file); + if (system("tail -2") != 0) { + fprintf(stderr, "system(\"tail -2\") failed\n"); + goto cleanup; + } + fputc('\n', stderr); + +cleanup: + isc_log_destroy(&lctx); + + if (show_final_mem) { + isc_mem_stats(mctx, stderr); + } + + return (0); +} |