/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Profiler Utils

 *

 * Copyright 2011 Stephen Erisman

 *

 * 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.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <stdio.h>

#include <stdlib.h>

#include <freerdp/utils/profiler.h>

#include <freerdp/log.h>

#define TAG FREERDP_TAG("utils")

struct _PROFILER

{

	char* name;

	STOPWATCH* stopwatch;

};

PROFILER* profiler_create(const char* name)

{

	PROFILER* profiler = (PROFILER*) calloc(1, sizeof(PROFILER));

	if (!profiler)

		return NULL;

	profiler->name = _strdup(name);

	profiler->stopwatch = stopwatch_create();

	if (!profiler->name || !profiler->stopwatch)

		goto fail;

	return profiler;

fail:

	profiler_free(profiler);

	return NULL;

}

void profiler_free(PROFILER* profiler)

{

	if (profiler)

	{

		free(profiler->name);

		stopwatch_free(profiler->stopwatch);

	}

	free(profiler);

}

void profiler_enter(PROFILER* profiler)

{

	stopwatch_start(profiler->stopwatch);

}

void profiler_exit(PROFILER* profiler)

{

	stopwatch_stop(profiler->stopwatch);

}

void profiler_print_header(void)

{

	WLog_INFO(TAG, "-------------------------------+------------+-------------+-----------+-------");

	WLog_INFO(TAG, "PROFILER NAME                  |      COUNT |       TOTAL |       AVG |    IPS");

	WLog_INFO(TAG, "-------------------------------+------------+-------------+-----------+-------");

}

void profiler_print(PROFILER* profiler)

{

	double s = stopwatch_get_elapsed_time_in_seconds(profiler->stopwatch);

	double avg = profiler->stopwatch->count == 0 ? 0 : s / profiler->stopwatch->count;

	WLog_INFO(TAG, "%-30s | %10u | %10.4fs | %8.6fs | %6.0f",

	          profiler->name, profiler->stopwatch->count, s, avg, profiler->stopwatch->count / s);

}

void profiler_print_footer(void)

{

	WLog_INFO(TAG, "-------------------------------+------------+-------------+-----------+-------");

}