mirror of
https://github.com/mfontanini/libtins
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d84f10cf08
Initial code cleanup More code cleanup Cleanup more code Cleanup Dot11 code Fix OSX build issue Cleanup examples Fix ref and pointer declaration syntax Fix braces
128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
/*
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* Copyright (c) 2014, 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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#ifndef TINS_TIMESTAMP_H
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#define TINS_TIMESTAMP_H
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#ifdef _WIN32
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#include <winsock2.h>
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#else
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#include <sys/time.h>
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#endif
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#include "cxxstd.h"
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#if TINS_IS_CXX11
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#include <chrono>
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#endif
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namespace Tins {
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/**
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* \brief Represents a packet timestamp.
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*/
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class Timestamp {
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public:
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#ifdef _WIN32
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typedef long seconds_type;
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typedef long microseconds_type;
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#else
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typedef time_t seconds_type;
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typedef suseconds_t microseconds_type;
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#endif
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/**
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* \brief Constructs a Timestamp which will hold the current time.
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*/
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static Timestamp current_time() {
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#ifdef _WIN32
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//fixme
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return 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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/**
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* Default constructs the timestamp.
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*/
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Timestamp() : tv() {}
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#if TINS_IS_CXX11
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/**
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* Constructs a Timestamp from a std::chrono::duration.
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*/
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template<typename Rep, typename Period>
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Timestamp(const std::chrono::duration<Rep, Period>& ts) {
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using std::chrono::duration_cast;
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using std::chrono::microseconds;
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using std::chrono::seconds;
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tv.tv_sec = duration_cast<seconds>(ts).count();
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tv.tv_usec = duration_cast<microseconds>(
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ts - seconds(tv.tv_sec)).count();
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}
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#endif
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/**
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* Constructs a timestamp from a timeval object.
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* \param time_val The timeval object.
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*/
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Timestamp(const timeval& time_val) : tv(time_val) {}
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/**
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* Returns the amount of seconds in this timestamp.
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*/
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seconds_type seconds() const {
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return tv.tv_sec;
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}
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/**
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* Returns the amount of microseconds in this timestamp.
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*/
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microseconds_type microseconds() const {
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return tv.tv_usec;
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}
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#if TINS_IS_CXX11
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/**
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* Converts this Timestamp to a std::chrono::microseconds
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*/
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operator std::chrono::microseconds() const {
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return std::chrono::seconds(seconds()) +
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std::chrono::microseconds(microseconds());
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}
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#endif
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private:
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timeval tv;
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};
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} // Tins
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#endif // TINS_TIMESTAMP_H
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