mirror of
https://github.com/mfontanini/libtins
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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright (c) 2016, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifdef _WIN32
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#include <winsock2.h>
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#include <windows.h>
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#else
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#include <sys/time.h>
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#endif
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#include "timestamp.h"
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namespace Tins {
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const int MICROSECONDS_IN_SECOND = 1000000;
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Timestamp Timestamp::current_time() {
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#ifdef _WIN32
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FILETIME file_time;
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GetSystemTimeAsFileTime(&file_time);
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uint64_t timestamp = file_time.dwHighDateTime;
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timestamp = timestamp << 32;
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timestamp |= file_time.dwLowDateTime;
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// Convert to microseconds
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timestamp /= 10;
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// Change the epoch to POSIX epoch
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timestamp -= 11644473600000000ULL;
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return Timestamp(timestamp);
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#else
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timeval tv;
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gettimeofday(&tv, 0);
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return tv;
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#endif
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}
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Timestamp::Timestamp()
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: timestamp_(0) {
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}
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Timestamp::Timestamp(const timeval& time_val) {
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timestamp_ = static_cast<uint64_t>(time_val.tv_sec) * MICROSECONDS_IN_SECOND
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+ time_val.tv_usec;
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}
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Timestamp::Timestamp(uint64_t value)
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: timestamp_(value) {
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}
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Timestamp::seconds_type Timestamp::seconds() const {
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return static_cast<seconds_type>(timestamp_ / MICROSECONDS_IN_SECOND);
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}
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Timestamp::microseconds_type Timestamp::microseconds() const {
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return timestamp_ % MICROSECONDS_IN_SECOND;
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}
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} // Tins
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