/**
 * @file	log.c
 * @author	myusgun <myusgun@gmail.com>
 */
#include "cf_log.h"
#include "cf_mutex.h"
#include "cf_thread.h"
#include "cf_debug.h"

#include <stdio.h>

#define COUNT	5

cf_ctx	globalLog;
cf_ctx	globalMutex;

int worker (void * arg)
{
	static int cnt = 0;
	int i = 0;
	int th = 0;
	
	if (CF_Mutex_Lock (globalMutex) < 0) { // for critical section
		// error
	}
	th = cnt++;
	if (CF_Mutex_Unlock (globalMutex) < 0) { // for critical section
		// error
	}

	CF_DEBUG_PRINT (stderr, "created %dth thread\n", th);

	for (i = 0 ; i < 10000 ; i++)
	{
		CF_Log_Write (globalLog, "LOG_MT", "[%d] multi-threadedlogging test %d\n", th, i);
	}

	CF_DEBUG_PRINT (stderr, "end %dth thread\n", th);

	return 0;
}

int main (void)
{
	int		i, j;
	cf_ctx	tid[COUNT];

	/* initialize */
	if (CF_Log_Create (&globalLog, "log.txt", CF_LOG_NO_BUFFER) < 0)
		CF_DEBUG_PRINT (stderr, "failed to open log\n");

	for (j = 0 ; j < 10000 ; j++)
	{
		int result = CF_Log_Write (globalLog, "LOG_ID_TEST", "turn %d\n", j); 
		if (result < 0)
			CF_DEBUG_PRINT (stderr, "failed to write log %d\n", result);
	}

	/* mt {{{ */
	if (CF_Log_Create (&globalLog, "log_mt.txt", CF_LOG_NO_BUFFER) < 0)
		CF_DEBUG_PRINT (stderr, "create log ctx error\n");

	if (CF_Mutex_Create (&globalMutex) < 0) {
		// error
	}

	if (CF_Log_SetMultiThread (globalLog) < 0)
		CF_DEBUG_PRINT (stderr, "set multi-threading mode error\n");

	for (i = 0 ; i < COUNT ; i++)
	{
		if (CF_Thread_Create (&tid[i], worker, &i) < 0)
		{
			CF_DEBUG_PRINT (stderr, "failed to create %dth thread\n", i);
			return -2;
		}
	}

	for (i = 0 ; i < COUNT ; i++)
	{
		if (CF_Thread_Start (tid[i]) < 0)
		{
			CF_DEBUG_PRINT (stderr, "failed to start %dth thread\n", i);
			return -3;
		}
	}

	for (i = 0 ; i < COUNT ; i++)
	{
		if (CF_Thread_Join (tid[i]) < 0)
			CF_DEBUG_PRINT (stderr, "failed to join %dth thread\n", i);
		if (CF_Thread_Destroy (tid[i]) < 0)
			CF_DEBUG_PRINT (stderr, "failed to release %dth thread\n", i);
	}

	if (CF_Log_UnsetMultiThread (globalLog) < 0)
		CF_DEBUG_PRINT (stderr, "set multi-threading mode error\n");

	if (CF_Mutex_Destory (globalMutex) < 0) {
		// error
	}
	/* }}} mt */

	/* finalize */
	CF_Log_Destroy (globalLog);

	return 0;
}