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/*
* Copyright (c) 2017, Matias Fontanini
* 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
* OWNER 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.
*
*/
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#else
#include <sys/time.h>
#endif
#include <tins/timestamp.h>
namespace Tins {
const int MICROSECONDS_IN_SECOND = 1000000;
Timestamp Timestamp::current_time() {
#ifdef _WIN32
FILETIME file_time;
GetSystemTimeAsFileTime(&file_time);
uint64_t timestamp = file_time.dwHighDateTime;
timestamp = timestamp << 32;
timestamp |= file_time.dwLowDateTime;
// Convert to microseconds
timestamp /= 10;
// Change the epoch to POSIX epoch
timestamp -= 11644473600000000ULL;
return Timestamp(timestamp);
#else
timeval tv;
gettimeofday(&tv, 0);
return tv;
#endif
}
Timestamp::Timestamp()
: timestamp_(0) {
}
Timestamp::Timestamp(const timeval& time_val) {
timestamp_ = static_cast<uint64_t>(time_val.tv_sec) * MICROSECONDS_IN_SECOND
+ time_val.tv_usec;
}
Timestamp::Timestamp(uint64_t value)
: timestamp_(value) {
}
Timestamp::seconds_type Timestamp::seconds() const {
return static_cast<seconds_type>(timestamp_ / MICROSECONDS_IN_SECOND);
}
Timestamp::microseconds_type Timestamp::microseconds() const {
return timestamp_ % MICROSECONDS_IN_SECOND;
}
} // Tins
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