Unix SMB/CIFS implementation.
testing of the events subsystem
-
- Copyright (C) Stefan Metzmacher
-
- 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,
+
+ Copyright (C) Stefan Metzmacher 2006-2009
+ Copyright (C) Jeremy Allison 2013
+
+ ** 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 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/>.
+ 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 "lib/tevent/tevent.h"
#include "system/filesys.h"
+#include "system/select.h"
#include "torture/torture.h"
+#ifdef HAVE_PTHREAD
+#include <pthread.h>
+#include <assert.h>
+#endif
static int fde_count;
+static int fde_wcount;
-static void fde_handler(struct event_context *ev_ctx, struct fd_event *f,
- uint16_t flags, void *private)
+static void fde_handler_readwrite(struct tevent_context *ev_ctx, struct tevent_fd *f,
+ uint16_t flags, void *private_data)
{
- int *fd = (int *)private;
- char c;
+ int *fd = (int *)private_data;
+ char c = 0;
#ifdef SA_SIGINFO
kill(getpid(), SIGUSR1);
#endif
kill(getpid(), SIGALRM);
- read(fd[0], &c, 1);
- write(fd[1], &c, 1);
- fde_count++;
+
+ if ((flags & TEVENT_FD_WRITE) && (fde_wcount - fde_count < 256)) {
+ /* Don't fill the pipe and block... */
+ write(fd[1], &c, 1);
+ fde_wcount++;
+ } else {
+ read(fd[0], &c, 1);
+ fde_count++;
+ }
}
-static void finished_handler(struct event_context *ev_ctx, struct timed_event *te,
- struct timeval tval, void *private)
+static void finished_handler(struct tevent_context *ev_ctx, struct tevent_timer *te,
+ struct timeval tval, void *private_data)
{
- int *finished = (int *)private;
+ int *finished = (int *)private_data;
(*finished) = 1;
}
-static void count_handler(struct event_context *ev_ctx, struct signal_event *te,
- int signum, int count, void *info, void *private)
+static void count_handler(struct tevent_context *ev_ctx, struct tevent_signal *te,
+ int signum, int count, void *info, void *private_data)
{
- int *countp = (int *)private;
+ int *countp = (int *)private_data;
(*countp) += count;
}
static bool test_event_context(struct torture_context *test,
const void *test_data)
{
- struct event_context *ev_ctx;
+ 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 fd_event *fde;
- struct signal_event *se1, *se2, *se3;
+ struct tevent_fd *fde_read;
+ struct tevent_fd *fde_read_1;
+ struct tevent_fd *fde_write;
+ struct tevent_fd *fde_write_1;
+#ifdef SA_RESTART
+ struct tevent_signal *se1 = NULL;
+#endif
+#ifdef SA_RESETHAND
+ struct tevent_signal *se2 = NULL;
+#endif
+#ifdef SA_SIGINFO
+ struct tevent_signal *se3 = NULL;
+#endif
int finished=0;
struct timeval t;
- char c = 0;
- ev_ctx = event_context_init_byname(test, backend);
+ ev_ctx = tevent_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);
+ torture_comment(test, "backend '%s' - %s\n",
+ backend, __FUNCTION__);
/* reset globals */
fde_count = 0;
+ fde_wcount = 0;
/* create a pipe */
pipe(fd);
- fde = event_add_fd(ev_ctx, ev_ctx, fd[0], EVENT_FD_READ|EVENT_FD_AUTOCLOSE,
- fde_handler, fd);
+ fde_read = tevent_add_fd(ev_ctx, ev_ctx, fd[0], TEVENT_FD_READ,
+ fde_handler_readwrite, fd);
+ fde_write_1 = tevent_add_fd(ev_ctx, ev_ctx, fd[0], TEVENT_FD_WRITE,
+ fde_handler_readwrite, fd);
- event_add_timed(ev_ctx, ev_ctx, timeval_current_ofs(2,0),
- finished_handler, &finished);
+ fde_write = tevent_add_fd(ev_ctx, ev_ctx, fd[1], TEVENT_FD_WRITE,
+ fde_handler_readwrite, fd);
+ fde_read_1 = tevent_add_fd(ev_ctx, ev_ctx, fd[1], TEVENT_FD_READ,
+ fde_handler_readwrite, fd);
- 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);
+ tevent_fd_set_auto_close(fde_read);
+ tevent_fd_set_auto_close(fde_write);
+
+ tevent_add_timer(ev_ctx, ev_ctx, timeval_current_ofs(2,0),
+ finished_handler, &finished);
+
+#ifdef SA_RESTART
+ se1 = tevent_add_signal(ev_ctx, ev_ctx, SIGALRM, SA_RESTART, count_handler, &alarm_count);
+#endif
+#ifdef SA_RESETHAND
+ se2 = tevent_add_signal(ev_ctx, ev_ctx, SIGALRM, SA_RESETHAND, count_handler, &alarm_count);
+#endif
#ifdef SA_SIGINFO
- se3 = event_add_signal(ev_ctx, ev_ctx, SIGUSR1, SA_SIGINFO, count_handler, &info_count);
+ se3 = tevent_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) {
+ if (tevent_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]);
+ talloc_free(fde_read);
+ talloc_free(fde_write);
+ talloc_free(fde_read_1);
+ talloc_free(fde_write_1);
while (alarm_count < fde_count+1) {
- if (event_loop_once(ev_ctx) == -1) {
+ if (tevent_loop_once(ev_ctx) == -1) {
break;
}
}
torture_comment(test, "Got %.2f pipe events/sec\n", fde_count/timeval_elapsed(&t));
+#ifdef SA_RESTART
talloc_free(se1);
+#endif
+
+ torture_assert_int_equal(test, alarm_count, 1+fde_count+fde_wcount, "alarm count mismatch");
- torture_assert_int_equal(test, alarm_count, 1+fde_count, "alarm count mismatch");
+#ifdef SA_RESETHAND
+ talloc_free(se2);
+#endif
#ifdef SA_SIGINFO
talloc_free(se3);
- torture_assert_int_equal(test, info_count, fde_count, "info count mismatch");
+ torture_assert_int_equal(test, info_count, fde_count+fde_wcount, "info count mismatch");
#endif
talloc_free(ev_ctx);
return true;
}
+#ifdef HAVE_PTHREAD
+
+static pthread_mutex_t threaded_mutex = PTHREAD_MUTEX_INITIALIZER;
+static bool do_shutdown = false;
+
+static void test_event_threaded_lock(void)
+{
+ int ret;
+ ret = pthread_mutex_lock(&threaded_mutex);
+ assert(ret == 0);
+}
+
+static void test_event_threaded_unlock(void)
+{
+ int ret;
+ ret = pthread_mutex_unlock(&threaded_mutex);
+ assert(ret == 0);
+}
+
+static void test_event_threaded_trace(enum tevent_trace_point point,
+ void *private_data)
+{
+ switch (point) {
+ case TEVENT_TRACE_BEFORE_WAIT:
+ test_event_threaded_unlock();
+ break;
+ case TEVENT_TRACE_AFTER_WAIT:
+ test_event_threaded_lock();
+ break;
+ }
+}
+
+static void test_event_threaded_timer(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval current_time,
+ void *private_data)
+{
+ return;
+}
+
+static void *test_event_poll_thread(void *private_data)
+{
+ struct tevent_context *ev = (struct tevent_context *)private_data;
+
+ test_event_threaded_lock();
+
+ while (true) {
+ int ret;
+ ret = tevent_loop_once(ev);
+ assert(ret == 0);
+ if (do_shutdown) {
+ test_event_threaded_unlock();
+ return NULL;
+ }
+ }
+
+}
+
+static void test_event_threaded_read_handler(struct tevent_context *ev,
+ struct tevent_fd *fde,
+ uint16_t flags,
+ void *private_data)
+{
+ int *pfd = (int *)private_data;
+ char c;
+ ssize_t nread;
+
+ if ((flags & TEVENT_FD_READ) == 0) {
+ return;
+ }
+
+ do {
+ nread = read(*pfd, &c, 1);
+ } while ((nread == -1) && (errno == EINTR));
+
+ assert(nread == 1);
+}
+
+static bool test_event_context_threaded(struct torture_context *test,
+ const void *test_data)
+{
+ struct tevent_context *ev;
+ struct tevent_timer *te;
+ struct tevent_fd *fde;
+ pthread_t poll_thread;
+ int fds[2];
+ int ret;
+ char c = 0;
+
+ ev = tevent_context_init_byname(test, "poll_mt");
+ torture_assert(test, ev != NULL, "poll_mt not supported");
+
+ tevent_set_trace_callback(ev, test_event_threaded_trace, NULL);
+
+ te = tevent_add_timer(ev, ev, timeval_current_ofs(5, 0),
+ test_event_threaded_timer, NULL);
+ torture_assert(test, te != NULL, "Could not add timer");
+
+ ret = pthread_create(&poll_thread, NULL, test_event_poll_thread, ev);
+ torture_assert(test, ret == 0, "Could not create poll thread");
+
+ ret = pipe(fds);
+ torture_assert(test, ret == 0, "Could not create pipe");
+
+ poll(NULL, 0, 100);
+
+ test_event_threaded_lock();
+
+ fde = tevent_add_fd(ev, ev, fds[0], TEVENT_FD_READ,
+ test_event_threaded_read_handler, &fds[0]);
+ torture_assert(test, fde != NULL, "Could not add fd event");
+
+ test_event_threaded_unlock();
+
+ poll(NULL, 0, 100);
+
+ write(fds[1], &c, 1);
+
+ poll(NULL, 0, 100);
+
+ test_event_threaded_lock();
+ do_shutdown = true;
+ test_event_threaded_unlock();
+
+ write(fds[1], &c, 1);
+
+ ret = pthread_join(poll_thread, NULL);
+ torture_assert(test, ret == 0, "pthread_join failed");
+
+ return true;
+}
+
+#endif
+
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);
+ struct torture_suite *suite = torture_suite_create(mem_ctx, "event");
+ const char **list = tevent_backend_list(suite);
int i;
for (i=0;list && list[i];i++) {
(const void *)list[i]);
}
+#ifdef HAVE_PTHREAD
+ torture_suite_add_simple_tcase_const(suite, "poll_mt_threaded",
+ test_event_context_threaded,
+ NULL);
+#endif
+
return suite;
}