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-rw-r--r--tests/timer/timer_test.c141
1 files changed, 108 insertions, 33 deletions
diff --git a/tests/timer/timer_test.c b/tests/timer/timer_test.c
index 240bc480..bcaafdb2 100644
--- a/tests/timer/timer_test.c
+++ b/tests/timer/timer_test.c
@@ -1,7 +1,11 @@
/*
* (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2011 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
+ * Authors: Holger Hans Peter Freyther <zecke@selfish.org>
+ * Pablo Neira Ayuso <pablo@gnumonks.org>
+ *
* 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 2 of the License, or
@@ -19,59 +23,130 @@
*/
#include <stdio.h>
+#include <stdlib.h>
+#include <osmocom/core/talloc.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/select.h>
+#include <osmocom/core/linuxlist.h>
#include "../../config.h"
-static void timer_fired(void *data);
+static void main_timer_fired(void *data);
+static void secondary_timer_fired(void *data);
-static struct osmo_timer_list timer_one = {
- .cb = timer_fired,
- .data = (void*)1,
+static unsigned int main_timer_step = 0;
+static struct osmo_timer_list main_timer = {
+ .cb = main_timer_fired,
+ .data = &main_timer_step,
};
-static struct osmo_timer_list timer_two = {
- .cb = timer_fired,
- .data = (void*)2,
-};
+static LLIST_HEAD(timer_test_list);
-static struct osmo_timer_list timer_three = {
- .cb = timer_fired,
- .data = (void*)3,
+struct test_timer {
+ struct llist_head head;
+ struct osmo_timer_list timer;
+ struct timeval start;
+ struct timeval stop;
};
-static void timer_fired(void *_data)
+/* number of test steps. We add fact(steps) timers in the whole test. */
+#define MAIN_TIMER_NSTEPS 16
+
+/* time between two steps, in secs. */
+#define TIME_BETWEEN_STEPS 1
+
+/* timer imprecision that we accept for this test: 10 milliseconds. */
+#define TIMER_PRES_SECS 0
+#define TIMER_PRES_USECS 10000
+
+static unsigned int expired_timers = 0;
+static unsigned int total_timers = 0;
+static unsigned int too_late = 0;
+
+static void main_timer_fired(void *data)
+{
+ unsigned int *step = data;
+ unsigned int add_in_this_step;
+ int i;
+
+ if (*step == MAIN_TIMER_NSTEPS) {
+ printf("Main timer has finished, please, wait a bit for the "
+ "final report.\n");
+ return;
+ }
+ /* add 2^step pair of timers per step. */
+ add_in_this_step = (1 << *step);
+
+ for (i=0; i<add_in_this_step; i++) {
+ struct test_timer *v;
+
+ v = talloc_zero(NULL, struct test_timer);
+ if (v == NULL) {
+ fprintf(stderr, "timer_test: OOM!\n");
+ return;
+ }
+ gettimeofday(&v->start, NULL);
+ v->timer.cb = secondary_timer_fired;
+ v->timer.data = v;
+ unsigned int seconds = (random() % 10) + 1;
+ v->stop.tv_sec = v->start.tv_sec + seconds;
+ osmo_timer_schedule(&v->timer, seconds, 0);
+ llist_add(&v->head, &timer_test_list);
+ }
+ printf("added %d timers in step %u (expired=%u)\n",
+ add_in_this_step, *step, expired_timers);
+ total_timers += add_in_this_step;
+ osmo_timer_schedule(&main_timer, TIME_BETWEEN_STEPS, 0);
+ (*step)++;
+}
+
+static void secondary_timer_fired(void *data)
{
- unsigned long data = (unsigned long) _data;
- printf("Fired timer: %lu\n", data);
-
- if (data == 1) {
- osmo_timer_schedule(&timer_one, 3, 0);
- osmo_timer_del(&timer_two);
- } else if (data == 2) {
- printf("Should not be fired... bug in del_timer\n");
- } else if (data == 3) {
- printf("Timer fired not registering again\n");
- } else {
- printf("wtf... wrong data\n");
- }
+ struct test_timer *v = data, *this, *tmp;
+ struct timeval current, res, precision = { 1, 0 };
+
+ gettimeofday(&current, NULL);
+
+ timersub(&current, &v->stop, &res);
+ if (timercmp(&res, &precision, >)) {
+ printf("ERROR: timer %p has expired too late!\n", v->timer);
+ too_late++;
+ }
+
+ llist_del(&v->head);
+ talloc_free(data);
+ expired_timers++;
+ if (expired_timers == total_timers) {
+ printf("test over: added=%u expired=%u too_late=%u \n",
+ total_timers, expired_timers, too_late);
+ exit(EXIT_SUCCESS);
+ }
+
+ /* randomly (10%) deletion of timers. */
+ llist_for_each_entry_safe(this, tmp, &timer_test_list, head) {
+ if ((random() % 100) < 10) {
+ osmo_timer_del(&this->timer);
+ llist_del(&this->head);
+ talloc_free(this);
+ expired_timers++;
+ }
+ }
}
int main(int argc, char** argv)
{
- printf("Starting... timer\n");
+ printf("Running timer test for %u steps, accepting imprecision "
+ "of %u.%.6u seconds\n",
+ MAIN_TIMER_NSTEPS, TIMER_PRES_SECS, TIMER_PRES_USECS);
- osmo_timer_schedule(&timer_one, 3, 0);
- osmo_timer_schedule(&timer_two, 5, 0);
- osmo_timer_schedule(&timer_three, 4, 0);
+ osmo_timer_schedule(&main_timer, 1, 0);
#ifdef HAVE_SYS_SELECT_H
- while (1) {
- osmo_select_main(0);
- }
+ while (1) {
+ osmo_select_main(0);
+ }
#else
- printf("Select not supported on this platform!\n");
+ printf("Select not supported on this platform!\n");
#endif
}