/usr/include/tins/timestamp.h is in libtins-dev 3.4-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2016, 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.
*
*/
#ifndef TINS_TIMESTAMP_H
#define TINS_TIMESTAMP_H
#ifdef _WIN32
#include <winsock2.h>
#else
#include <sys/time.h>
#endif
#include "cxxstd.h"
#if TINS_IS_CXX11
#include <chrono>
#endif
namespace Tins {
/**
* \brief Represents a packet timestamp.
*/
class Timestamp {
public:
#ifdef _WIN32
typedef long seconds_type;
typedef long microseconds_type;
#else
typedef time_t seconds_type;
typedef suseconds_t microseconds_type;
#endif
/**
* \brief Constructs a Timestamp which will hold the current time.
*/
static Timestamp current_time() {
#ifdef _WIN32
//fixme
return Timestamp();
#else
timeval tv;
gettimeofday(&tv, 0);
return tv;
#endif
}
/**
* Default constructs the timestamp.
*/
Timestamp() : tv() {}
#if TINS_IS_CXX11
/**
* Constructs a Timestamp from a std::chrono::duration.
*/
template<typename Rep, typename Period>
Timestamp(const std::chrono::duration<Rep, Period>& ts) {
using std::chrono::duration_cast;
using std::chrono::microseconds;
using std::chrono::seconds;
tv.tv_sec = duration_cast<seconds>(ts).count();
tv.tv_usec = duration_cast<microseconds>(
ts - seconds(tv.tv_sec)).count();
}
#endif
/**
* Constructs a timestamp from a timeval object.
* \param time_val The timeval object.
*/
Timestamp(const timeval& time_val) : tv(time_val) {}
/**
* Returns the amount of seconds in this timestamp.
*/
seconds_type seconds() const {
return tv.tv_sec;
}
/**
* Returns the amount of microseconds in this timestamp.
*/
microseconds_type microseconds() const {
return tv.tv_usec;
}
#if TINS_IS_CXX11
/**
* Converts this Timestamp to a std::chrono::microseconds
*/
operator std::chrono::microseconds() const {
return std::chrono::seconds(seconds()) +
std::chrono::microseconds(microseconds());
}
#endif
private:
timeval tv;
};
} // Tins
#endif // TINS_TIMESTAMP_H
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