/* Unix SMB/CIFS implementation. testing of the events subsystem Copyright (C) Stefan Metzmacher 2006-2009 ** NOTE! The following LGPL license applies to the tevent ** library. This does NOT imply that all of Samba is released ** under the LGPL This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "lib/events/events.h" #include "system/filesys.h" #include "torture/torture.h" static int fde_count; static void fde_handler(struct tevent_context *ev_ctx, struct tevent_fd *f, uint16_t flags, void *private_data) { int *fd = (int *)private_data; char c; #ifdef SA_SIGINFO kill(getpid(), SIGUSR1); #endif kill(getpid(), SIGALRM); read(fd[0], &c, 1); write(fd[1], &c, 1); fde_count++; } static void finished_handler(struct tevent_context *ev_ctx, struct tevent_timer *te, struct timeval tval, void *private_data) { int *finished = (int *)private_data; (*finished) = 1; } static void count_handler(struct tevent_context *ev_ctx, struct signal_event *te, int signum, int count, void *info, void *private_data) { int *countp = (int *)private_data; (*countp) += count; } static bool test_event_context(struct torture_context *test, const void *test_data) { struct tevent_context *ev_ctx; int fd[2] = { -1, -1 }; const char *backend = (const char *)test_data; int alarm_count=0, info_count=0; struct tevent_fd *fde; struct signal_event *se1, *se2, *se3; int finished=0; struct timeval t; char c = 0; ev_ctx = event_context_init_byname(test, backend); if (ev_ctx == NULL) { torture_comment(test, "event backend '%s' not supported\n", backend); return true; } torture_comment(test, "Testing event backend '%s'\n", backend); /* reset globals */ fde_count = 0; /* create a pipe */ pipe(fd); fde = event_add_fd(ev_ctx, ev_ctx, fd[0], EVENT_FD_READ, fde_handler, fd); tevent_fd_set_auto_close(fde); event_add_timed(ev_ctx, ev_ctx, timeval_current_ofs(2,0), finished_handler, &finished); se1 = event_add_signal(ev_ctx, ev_ctx, SIGALRM, SA_RESTART, count_handler, &alarm_count); se2 = event_add_signal(ev_ctx, ev_ctx, SIGALRM, SA_RESETHAND, count_handler, &alarm_count); #ifdef SA_SIGINFO se3 = event_add_signal(ev_ctx, ev_ctx, SIGUSR1, SA_SIGINFO, count_handler, &info_count); #endif write(fd[1], &c, 1); t = timeval_current(); while (!finished) { errno = 0; if (event_loop_once(ev_ctx) == -1) { talloc_free(ev_ctx); torture_fail(test, talloc_asprintf(test, "Failed event loop %s\n", strerror(errno))); } } talloc_free(fde); close(fd[1]); while (alarm_count < fde_count+1) { if (event_loop_once(ev_ctx) == -1) { break; } } torture_comment(test, "Got %.2f pipe events/sec\n", fde_count/timeval_elapsed(&t)); talloc_free(se1); torture_assert_int_equal(test, alarm_count, 1+fde_count, "alarm count mismatch"); #ifdef SA_SIGINFO talloc_free(se3); torture_assert_int_equal(test, info_count, fde_count, "info count mismatch"); #endif talloc_free(ev_ctx); return true; } struct torture_suite *torture_local_event(TALLOC_CTX *mem_ctx) { struct torture_suite *suite = torture_suite_create(mem_ctx, "EVENT"); const char **list = event_backend_list(suite); int i; for (i=0;list && list[i];i++) { torture_suite_add_simple_tcase_const(suite, list[i], test_event_context, (const void *)list[i]); } return suite; }