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/*
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;
#ifdef SA_RESTART
struct tevent_signal *se1 = NULL;
#endif
struct tevent_signal *se2 = NULL;
#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);
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);
#ifdef SA_RESTART
se1 = event_add_signal(ev_ctx, ev_ctx, SIGALRM, SA_RESTART, count_handler, &alarm_count);
#endif
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));
#ifdef SA_RESTART
talloc_free(se1);
#endif
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;
}
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