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Diffstat (limited to 'server/tests/stress-tests.c')
| -rw-r--r-- | server/tests/stress-tests.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/server/tests/stress-tests.c b/server/tests/stress-tests.c deleted file mode 100644 index 945053185..000000000 --- a/server/tests/stress-tests.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - SSSD - - Stress tests - - Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 2009 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#include <signal.h> -#include <stdlib.h> -#include <talloc.h> -#include <popt.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <pwd.h> -#include <grp.h> -#include <errno.h> - -#include "util/util.h" - -#define DEFAULT_START 10 -#define DEFAULT_STOP 20 - -#define NAME_SIZE 255 -#define CHUNK 64 - - -/* How many tests failed */ -int failure_count; - -/* Be chatty */ -int verbose; - -/* - * Look up one user. If the user is not found using getpwnam, the success - * or failure depends on enoent_fail being set. - */ -int test_lookup_user(const char *name, int enoent_fail) -{ - struct passwd *pwd = NULL; - int ret = 0; - int error; - - errno = 0; - pwd = getpwnam(name); - error = errno; - if (pwd == NULL) { - if (errno == 0 || errno == ENOENT) { - ret = (enoent_fail == 1) ? ENOENT : 0; - } - } - - if (ret != 0 && verbose) { - fprintf(stderr, - "getpwnam failed (name: %s): errno = %d, error = %s\n", - name, ret, strerror(ret)); - } - - return ret; -} - -/* - * Look up one group. If the user is not found using getgrnam, the success - * or failure depends on enoent_fail being set. - */ -int test_lookup_group(const char *name, int enoent_fail) -{ - struct group *grp = NULL; - int ret = 0; - - errno = 0; - grp = getgrnam(name); - if (grp == NULL) { - if (errno == 0 || errno == ENOENT) { - ret = enoent_fail ? ENOENT : 0; - } - } - - if (ret != 0 && verbose) { - fprintf(stderr, - "getgrnam failed (name %s): errno = %d, error = %s\n", - name, ret, strerror(ret)); - } - - return ret; -} - -int run_one_testcase(const char *name, int group, int enoent_fail) -{ - if (group) { - return test_lookup_group(name, enoent_fail); - } else { - return test_lookup_user(name, enoent_fail); - } -} - -/* - * Beware, has side-effects: changes global variable failure_count - */ -void child_handler(int signum) -{ - int status, ret; - - while ((ret = wait(&status)) > 0) { - if (ret == -1) { - perror("wait"); - exit(EXIT_FAILURE); - } - - if (WIFEXITED(status)) { - ret = WEXITSTATUS(status); - if (ret) { - if (verbose) { - fprintf(stderr, - "A child exited with error code %d\n", - WEXITSTATUS(status)); - } - ++failure_count; - } - } else ++failure_count; - } -} - -int generate_names(TALLOC_CTX *mem_ctx, const char *prefix, - int start, int stop, char ***_out) -{ - char **out; - int num_names = stop-start+1; - int idx = 0; - - out = talloc_array(mem_ctx, char *, num_names+1); - if (out == NULL) { - return ENOMEM; - } - - for (idx = 0; idx < num_names; ++idx) { - out[idx] = talloc_asprintf(mem_ctx, "%s%d", prefix, idx); - if (out[idx] == NULL) { - return ENOMEM; - } - } - out[idx] = NULL; - - *_out = out; - return EOK; -} - -int read_names(TALLOC_CTX *mem_ctx, FILE *stream, char ***_out) -{ - char one_name[NAME_SIZE]; - int n = 0; - int array_size = CHUNK; - int ret; - char **out; - - out = talloc_array(mem_ctx, char *, CHUNK+1); - if (out == NULL) { - return ENOMEM; - } - while (fgets(one_name, NAME_SIZE, stream)) { - out[n] = talloc_strdup(mem_ctx, one_name); - if (out[n] == NULL) { - return ENOMEM; - } - if ((n++ % CHUNK) == 0) { - array_size += CHUNK; - out = talloc_realloc(mem_ctx, out, char *, array_size); - if (out == NULL) { - return ENOMEM; - } - } - } - - if ((ret = ferror(stream))) { - return ret; - } - out[n] = NULL; - - *_out = out; - return EOK; -} - -int main(int argc, const char *argv[]) -{ - int opt; - poptContext pc; - int pc_start=DEFAULT_START; - int pc_stop=DEFAULT_STOP; - int pc_enoent_fail=0; - int pc_groups=0; - int pc_verbosity = 0; - char *pc_prefix = NULL; - TALLOC_CTX *ctx = NULL; - char **names = NULL; - - int status, idx, ret; - pid_t pid; - struct sigaction action, old_action; - - struct poptOption long_options[] = { - POPT_AUTOHELP - { "groups", 'g', POPT_ARG_NONE, &pc_groups, 0, - "Lookup in groups instead of users" }, - { "prefix", '\0', POPT_ARG_STRING, &pc_prefix, 0, - "The username prefix", NULL }, - { "start", '\0', POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, - &pc_start, 0, - "Start value to append to prefix", NULL }, - { "stop", '\0', POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, - &pc_stop, 0, - "End value to append to prefix", NULL }, - { "enoent-fail", '\0', POPT_ARG_NONE, &pc_enoent_fail, 0, - "Fail on not getting the requested NSS data (default: No)", - NULL }, - { "verbose", 'v', POPT_ARG_NONE, 0, 'v', - "Be verbose" }, - POPT_TABLEEND - }; - - /* parse the params */ - pc = poptGetContext(argv[0], argc, argv, long_options, 0); - while ((opt = poptGetNextOpt(pc)) != -1) { - switch (opt) { - case 'v': - pc_verbosity = 1; - break; - - default: - fprintf(stderr, "\nInvalid option %s: %s\n\n", - poptBadOption(pc, 0), poptStrerror(opt)); - poptPrintUsage(pc, stderr, 0); - return 1; - } - } - poptFreeContext(pc); - - verbose = pc_verbosity; - - if (pc_prefix) { - ret = generate_names(ctx, pc_prefix, pc_start, pc_stop, &names); - if (ret != EOK) { - if (verbose) { - errno = ret; - perror("generate_names"); - } - exit(EXIT_FAILURE); - } - } else { - ret = read_names(ctx, stdin, &names); - if (ret != EOK) { - if (verbose) { - errno = ret; - perror("read_names"); - } - exit(EXIT_FAILURE); - } - } - - /* Reap the children in a handler asynchronously so we can - * somehow protect against too many processes */ - action.sa_handler = child_handler; - sigemptyset(&action.sa_mask); - sigaddset(&action.sa_mask, SIGCHLD); - action.sa_flags = SA_NOCLDSTOP; - - sigaction(SIGCHLD, &action, &old_action); - - /* Fire up the child processes */ - idx = 0; - for (idx=0; names[idx]; idx++) { - pid = fork(); - if (pid == -1) { - /* Try again in hope that some child has exited */ - if (errno == EAGAIN) { - continue; - } - perror("fork"); - exit(EXIT_FAILURE); - } else if ( pid == 0 ) { - /* child */ - ret = run_one_testcase(names[idx], pc_groups, pc_enoent_fail); - exit(ret); - } - } - - /* Process the rest of the children here in main */ - sigaction(SIGCHLD, &old_action, NULL); - while ((ret = wait(&status)) > 0) { - if (ret == -1) { - perror("wait"); - exit(EXIT_FAILURE); - } - - if (WIFEXITED(status)) { - ret = WEXITSTATUS(status); - if (ret) { - if (verbose) { - fprintf(stderr, - "A child exited with error code %d\n", - WEXITSTATUS(status)); - } - ++failure_count; - } - } else ++failure_count; - } - - if (pc_verbosity) { - fprintf(stderr, - "Total tests run: %d\nPassed: %d\nFailed: %d\n", - idx, - idx - failure_count, - failure_count); - } - return (failure_count==0 ? EXIT_SUCCESS : EXIT_FAILURE); -} |