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/*
* Copyright (c) 2000 - 2017 Samsung Electronics Co., Ltd. All rights reserved.
*
* 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/time.h>
#include "appcore-internal.h"
static struct timeval tv_s; /* measure start */
static inline int __get_msec(struct timeval *s, struct timeval *e)
{
return (e->tv_sec - s->tv_sec) * 1000 +
(e->tv_usec - s->tv_usec + 500) / 1000;
}
static int __get_time(struct timeval *s)
{
struct timeval t;
_retv_if(s == NULL || (s->tv_sec == 0 && s->tv_usec == 0), 0);
gettimeofday(&t, NULL);
return __get_msec(s, &t);
}
static int __get_envtime(const char *name, struct timeval *t)
{
int r;
char *s;
s = getenv(name ? : ENV_START);
/*_retvm_if(s == NULL, -1, "%s is not set", name);*/
_retv_if(s == NULL, -1);
r = sscanf(s, "%u/%u", (int *)&t->tv_sec, (int *)&t->tv_usec);
if (r != 2)
r = sscanf(s, "%u %u", (int *)&t->tv_sec, (int *)&t->tv_usec);
_retv_if(r != 2, -1);
return 0;
}
static int __get_time_from(const char *name)
{
int r;
struct timeval s;
struct timeval t;
gettimeofday(&t, NULL);
r = __get_envtime(name, &s);
_retv_if(r == -1, 0);
return __get_msec(&s, &t);
}
EXPORT_API int appcore_measure_time_from(const char *envnm)
{
return __get_time_from(envnm);
}
EXPORT_API int appcore_measure_time(void)
{
return __get_time(&tv_s);
}
EXPORT_API void appcore_measure_start(void)
{
gettimeofday(&tv_s, NULL);
}
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