diff options
| -rw-r--r-- | tests/timer/timer_test.c | 141 |
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(¤t, NULL); + + timersub(¤t, &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 } |