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//
// TaskTimer.c - MrsWatson
// Created by Nik Reiman on 1/5/12.
// Copyright (c) 2012 Teragon Audio. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
#include <stdio.h>
#include <stdlib.h>
#if UNIX
#include <time.h>
#endif
#include "time/TaskTimer.h"
TaskTimer newTaskTimer(const CharString component, const char *subcomponent)
{
const char *componentCString = component != NULL ? component->data : NULL;
return newTaskTimerWithCString(componentCString, subcomponent);
}
TaskTimer newTaskTimerWithCString(const char *component, const char *subcomponent)
{
TaskTimer taskTimer = (TaskTimer)malloc(sizeof(TaskTimerMembers));
#if WINDOWS
LARGE_INTEGER queryFrequency;
#endif
taskTimer->component = newCharStringWithCString(component);
taskTimer->subcomponent = newCharStringWithCString(subcomponent);
taskTimer->enabled = true;
taskTimer->_running = false;
taskTimer->totalTaskTime = 0.0;
#if WINDOWS
QueryPerformanceFrequency(&queryFrequency);
taskTimer->counterFrequency = (double)(queryFrequency.QuadPart) / 1000.0;
#endif
return taskTimer;
}
void taskTimerStart(TaskTimer self)
{
if (self->_running) {
taskTimerStop(self);
}
#if WINDOWS
QueryPerformanceCounter(&(self->startTime));
#elif UNIX
gettimeofday(&self->startTime, NULL);
#endif
self->_running = true;
}
double taskTimerStop(TaskTimer self)
{
double elapsedTimeInMs = 0.0;
#if UNIX
double elapsedFullSeconds;
double elapsedMicroseconds;
struct timeval currentTime;
#elif WINDOWS
LONGLONG elapsedTimeInClocks;
LARGE_INTEGER stopTime;
#endif
if (!self->_running) {
return 0.0;
}
#if UNIX
if (gettimeofday(¤tTime, NULL) == 0) {
if (currentTime.tv_sec == self->startTime.tv_sec) {
elapsedTimeInMs = (double)(currentTime.tv_usec - self->startTime.tv_usec) / 1000.0;
} else {
elapsedFullSeconds = (double)(currentTime.tv_sec - self->startTime.tv_sec - 1);
elapsedMicroseconds = (double)(currentTime.tv_usec + (1000000l - self->startTime.tv_usec));
elapsedTimeInMs = (elapsedFullSeconds * 1000.0) + (elapsedMicroseconds / 1000.0);
}
self->totalTaskTime += elapsedTimeInMs;
}
#elif WINDOWS
QueryPerformanceCounter(&stopTime);
elapsedTimeInClocks = stopTime.QuadPart - self->startTime.QuadPart;
elapsedTimeInMs = (double)(elapsedTimeInClocks) / self->counterFrequency;
self->totalTaskTime += elapsedTimeInMs;
#endif
self->_running = false;
return elapsedTimeInMs;
}
CharString taskTimerHumanReadbleString(TaskTimer self)
{
int hours, minutes, seconds;
CharString outString = newCharStringWithCapacity(kCharStringLengthShort);
if (self->totalTaskTime < 1000) {
snprintf(outString->data, outString->capacity, "%dms", (int)self->totalTaskTime);
} else if (self->totalTaskTime < 60 * 1000) {
seconds = (int)(self->totalTaskTime / 1000.0);
snprintf(outString->data, outString->capacity, "%dsec", seconds);
} else {
seconds = (int)(self->totalTaskTime / 1000.0) % 60;
minutes = (int)(self->totalTaskTime / (1000.0 * 60.0));
if (minutes > 60) {
hours = minutes / 60;
minutes = (minutes % 60);
snprintf(outString->data, outString->capacity, "%d:%d:%dsec", hours, minutes, seconds);
} else {
snprintf(outString->data, outString->capacity, "%d:%dsec", minutes, seconds);
}
}
return outString;
}
void taskTimerSleep(const double milliseconds)
{
#if UNIX
struct timespec sleepTime;
sleepTime.tv_sec = 0;
sleepTime.tv_nsec = (long)(1000000.0 * milliseconds);
nanosleep(&sleepTime, NULL);
#elif WINDOWS
Sleep((DWORD)milliseconds);
#endif
}
void freeTaskTimer(TaskTimer self)
{
if (self != NULL) {
freeCharString(self->component);
freeCharString(self->subcomponent);
free(self);
}
}
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