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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "talk/base/jtime.h"
#include <iostream>
#include <cstdlib>
#include <cstring>
namespace cricket {
#ifdef POSIX
#include <sys/time.h>
uint32 Time() {
struct timeval tv;
gettimeofday(&tv, 0);
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}
#endif
#ifdef WIN32
#include <windows.h>
uint32 Time() {
return GetTickCount();
}
#endif
bool TimeIsBetween(uint32 later, uint32 middle, uint32 earlier) {
if (earlier <= later) {
return ((earlier <= middle) && (middle <= later));
} else {
return !((later < middle) && (middle < earlier));
}
}
int32 TimeDiff(uint32 later, uint32 earlier) {
uint32 LAST = 0xFFFFFFFF;
uint32 HALF = 0x80000000;
if (TimeIsBetween(earlier + HALF, later, earlier)) {
if (earlier <= later) {
return static_cast<long>(later - earlier);
} else {
return static_cast<long>(later + (LAST - earlier) + 1);
}
} else {
if (later <= earlier) {
return -static_cast<long>(earlier - later);
} else {
return -static_cast<long>(earlier + (LAST - later) + 1);
}
}
}
} // namespace cricket
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