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/* Copyright (c) Hardy Simpson
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pthread.h>
#include <signal.h>
#include "zlog.h"
#define CONFIG "test_multithread.conf"
#define NB_THREADS 200
#define THREAD_LOOP_DELAY 10000 /* 0.01" */
#define RELOAD_DELAY 10
enum {
ZLOG_LEVEL_TRACE = 10,
ZLOG_LEVEL_SECURITY = 150,
/* must equals conf file setting */
};
#define zlog_trace(cat, format, args...) \
zlog(cat, __FILE__, sizeof(__FILE__)-1, __func__, sizeof(__func__)-1, __LINE__, \
ZLOG_LEVEL_TRACE, format, ##args)
#define zlog_security(cat, format, args...) \
zlog(cat, __FILE__, sizeof(__FILE__)-1, __func__, sizeof(__func__)-1, __LINE__, \
ZLOG_LEVEL_SECURITY, format, ##args)
struct thread_info { /* Used as argument to thread_start() */
pthread_t thread_id; /* ID returned by pthread_create() */
int thread_num; /* Application-defined thread # */
zlog_category_t *zc; /* The logger category struc address; (All threads will use the same category, so he same address) */
long long int loop; /* Counter incremented to check the thread's health */
};
struct thread_info *tinfo;
void intercept(int sig)
{
int i;
printf("\nIntercept signal %d\n\n", sig);
signal (sig, SIG_DFL);
raise (sig);
printf("You can import datas below in a spreadsheat and check if any thread stopped increment the Loop counter during the test.\n\n");
printf("Thread;Loop\n");
for (i=0; i<NB_THREADS; i++)
{
printf("%d;%lld\n", tinfo[i].thread_num, tinfo[i].loop);
}
free(tinfo);
zlog_fini();
}
void *myThread(void *arg)
{
struct thread_info *tinfo = arg;
tinfo->zc = zlog_get_category("thrd");
if (!tinfo->zc) {
printf("get thrd %d cat fail\n", tinfo->thread_num);
}
else
{
while(1)
{
usleep(THREAD_LOOP_DELAY);
zlog_info(tinfo->zc, "%d;%lld", tinfo->thread_num, tinfo->loop++);
}
}
return NULL;
}
int main(int argc, char** argv)
{
int rc;
zlog_category_t *zc;
zlog_category_t *mc;
zlog_category_t *hl;
int i = 0;
struct stat stat_0, stat_1;
/* Create the logging directory if not yet ceated */
mkdir("./test_multithread-logs", 0777);
if (stat(CONFIG, &stat_0))
{
printf("Configuration file not found\n");
return -1;
}
rc = zlog_init(CONFIG);
if (rc) {
printf("main init failed\n");
return -2;
}
zc = zlog_get_category("main");
if (!zc) {
printf("main get cat fail\n");
zlog_fini();
return -3;
}
mc = zlog_get_category("clsn");
if (!mc) {
printf("clsn get cat fail\n");
zlog_fini();
return -3;
}
hl = zlog_get_category("high");
if (!hl) {
printf("high get cat fail\n");
zlog_fini();
return -3;
}
/* Interrupt (ANSI). <Ctrl-C> */
if (signal(SIGINT, intercept) == SIG_IGN )
{
zlog_fatal(zc, "Can't caught the signal SIGINT, Interrupt (ANSI)");
signal(SIGINT, SIG_IGN );
return -4;
}
// start threads
tinfo = calloc(NB_THREADS, sizeof(struct thread_info));
for (i=0; i<NB_THREADS; i++)
{
tinfo[i].thread_num = i + 1;
tinfo[i].loop = 0;
tinfo[i].zc = zc;
if(pthread_create(&tinfo[i].thread_id, NULL, myThread, &tinfo[i]) != 0)
{
zlog_fatal(zc, "Unable to start thread %d", i);
zlog_fini();
return(-5);
}
}
/* Wait and log thread informations */
sleep(1);
for (i=0; i<NB_THREADS; i++)
{
zlog_info(zc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, tinfo[i].zc);
zlog_fatal(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_error(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_warn(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_notice(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_info(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_trace(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_debug(mc, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, mc);
zlog_security(hl, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, hl);
zlog_warn(hl, "Thread [%d], zlog_category:@%p", tinfo[i].thread_num, hl);
}
/* Log main loop status */
i=0;
while(1)
{
int reload;
sleep(1);
i++;
zlog_info(zc, "Running time: %02d:%02d:%02d", i/3600, (i/60)%60, i%60);
/* Check configuration file update */
stat(CONFIG, &stat_1);
/* Is configuration file modified */
reload = (stat_0.st_mtime != stat_1.st_mtime);
/* Or do we want to reload periodicaly the configuration file */
if ( ! reload)
if ( RELOAD_DELAY > 0)
reload = (i % RELOAD_DELAY == 0);
if (reload)
{
zlog_info(zc, "Will reload configuration...");
rc = zlog_reload(CONFIG);
if (rc) {
printf("main init failed\n");
return -6;
}
zlog_info(zc, "Configuration reloaded :)");
stat(CONFIG, &stat_0);
}
}
exit(EXIT_SUCCESS);
}
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