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157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
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/*
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Unix SMB/CIFS implementation.
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Stress test for parallel NSS & libwbclient calls.
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Copyright (C) Ralph Wuerthner 2018
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <pthread.h>
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#include <string.h>
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#include <unistd.h>
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#include <time.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <wbclient.h>
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#define RUNTIME 10
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struct thread_state {
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const char *username;
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time_t timeout;
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pthread_mutex_t lock;
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bool fail;
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int nss_loop_count;
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int wbc_loop_count;
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};
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static void *query_nss_thread(void *ptr)
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{
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struct thread_state *state = ptr;
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char buf[1024];
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int rc;
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struct passwd pwd, *result;
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while (time(NULL) < state->timeout) {
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rc = getpwnam_r(state->username,
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&pwd,
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buf,
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sizeof(buf),
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&result);
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if (rc != 0 || result == NULL) {
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pthread_mutex_lock(&state->lock);
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state->fail = true;
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pthread_mutex_unlock(&state->lock);
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fprintf(stderr,
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"getpwnam_r failed with rc='%s' result=%p\n",
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strerror(rc),
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result);
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break;
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}
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state->nss_loop_count++;
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pthread_mutex_lock(&state->lock);
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if (state->fail) {
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pthread_mutex_unlock(&state->lock);
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break;
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}
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pthread_mutex_unlock(&state->lock);
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}
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return NULL;
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}
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static void *query_wbc_thread(void *ptr)
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{
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struct thread_state *state = ptr;
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struct passwd *ppwd;
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wbcErr wbc_status;
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while (time(NULL) < state->timeout) {
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wbc_status = wbcGetpwnam(state->username, &ppwd);
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if (!WBC_ERROR_IS_OK(wbc_status)) {
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pthread_mutex_lock(&state->lock);
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state->fail = true;
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pthread_mutex_unlock(&state->lock);
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fprintf(stderr,
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"wbcGetpwnam failed with %s\n",
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wbcErrorString(wbc_status));
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break;
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}
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wbcFreeMemory(ppwd);
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state->wbc_loop_count++;
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pthread_mutex_lock(&state->lock);
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if (state->fail) {
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pthread_mutex_unlock(&state->lock);
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break;
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}
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pthread_mutex_unlock(&state->lock);
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}
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return NULL;
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}
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int main(int argc, char *argv[])
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{
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int rc, n;
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struct thread_state state;
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pthread_t threads[2];
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if (argc < 2 ) {
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fprintf(stderr,"%s: missing domain user\n", argv[0]);
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return 1;
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}
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state.username = argv[1];
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state.timeout = time(NULL) + RUNTIME;
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pthread_mutex_init(&state.lock, NULL);
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state.fail = false;
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state.nss_loop_count = 0;
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state.wbc_loop_count = 0;
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printf("query domain user '%s'\n", state.username);
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/* create query threads */
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rc = pthread_create(&threads[0], NULL, query_nss_thread, &state);
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if (rc != 0) {
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fprintf(stderr,
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"creating NSS thread failed: %s\n",
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strerror(rc));
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exit(1);
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}
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rc = pthread_create(&threads[1], NULL, query_wbc_thread, &state);
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if (rc != 0) {
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fprintf(stderr,
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"creating libwbclient thread failed: %s\n",
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strerror(rc));
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exit(1);
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}
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/* wait for query threads to terminate */
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for (n = 0; n < 2; n++) {
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pthread_join(threads[n], NULL);
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}
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fprintf(state.fail ? stderr: stdout,
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"test %s with %i NSS and %i libwbclient calls\n",
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state.fail ? "failed" : "passed",
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state.nss_loop_count,
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state.wbc_loop_count);
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return state.fail;
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}
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