/* 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/wait.h>
#include <unistd.h>
#include <pthread.h>
#include <sys/stat.h>
#include <fcntl.h>


#include "zlog.h"

int fd;
static long loop_count;


void * work(void *ptr)
{
	long j = loop_count;
    static char aa[] = "2012-06-14 20:30:38.481187 INFO   24536:140716226213632:test_press_zlog.c:36 loglog\n";

	while(j-- > 0) {
//		fprintf(fp, "2012-05-16 17:24:58.282603 INFO   22471:test_press_zlog.c:33 loglog\n");
//		fwrite(aa, sizeof(aa)-1, 1, fp);
		write(fd, aa, sizeof(aa)-1);
	}
	return 0;
}


int test(long process_count, long thread_count)
{
	long i;
	pid_t pid;
	long j;

	for (i = 0; i < process_count; i++) {
		pid = fork();
		if (pid < 0) {
			printf("fork fail\n");
		} else if(pid == 0) {
			pthread_t  tid[thread_count];

			for (j = 0; j < thread_count; j++) { 
				pthread_create(&(tid[j]), NULL, work, NULL);
			}
			for (j = 0; j < thread_count; j++) { 
				pthread_join(tid[j], NULL);
			}
			return 0;
		}
	}

	for (i = 0; i < process_count; i++) {
		pid = wait(NULL);
	}

	return 0;
}


int main(int argc, char** argv)
{
	if (argc != 4) {
		fprintf(stderr, "test nprocess nthreads nloop\n");
		exit(1);
	}


	fd = open("press.log", O_CREAT | O_WRONLY | O_APPEND, 0644);
	//fp = fdopen(fd, "a");
	loop_count = atol(argv[3]);
	test(atol(argv[1]), atol(argv[2]));
	//fclose(fp);
	close(fd);

	
	return 0;
}