mirror of
https://github.com/eclipse-openvehicle-api/openvehicle-api.git
synced 2026-02-05 15:18:45 +00:00
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#ifndef TRACE_H
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#define TRACE_H
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#include <chrono>
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#include <ctime>
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#include <sstream>
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#include <iomanip>
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#ifdef __GNUC__
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#include <unistd.h>
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#endif
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#ifndef ENABLE_TRACE
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/**
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* @brief Enable the trace macro by setting to a non-zero value.
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*/
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#define ENABLE_TRACE 0
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#endif
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/**
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* @brief Return the current time as a string.
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* @return The current time.
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*/
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inline std::string GetTimestamp()
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{
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const auto current_time_point {std::chrono::system_clock::now()};
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const auto current_time {std::chrono::system_clock::to_time_t(current_time_point)};
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const auto current_localtime {*std::localtime (¤t_time)};
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const auto current_time_since_epoch {current_time_point.time_since_epoch()};
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const auto current_milliseconds {std::chrono::duration_cast<std::chrono::milliseconds> (current_time_since_epoch).count() % 1000};
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std::ostringstream stream;
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stream << "PID#" << std::dec << getpid() << " " << std::put_time(¤t_localtime, "%H:%M:%S") << "." << std::setw(3) << std::setfill('0') << current_milliseconds << ": ";
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return stream.str();
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}
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#include <cstring>
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#include <iostream>
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#if ENABLE_TRACE != 0
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#ifdef _MSC_VER
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#define TRACE(...) Trace(GetTimestamp(), __FUNCTION__, ": ", __VA_ARGS__)
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#elif defined __GNUC__
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#define TRACE(...) Trace(GetTimestamp(), __PRETTY_FUNCTION__, ": ", ##__VA_ARGS__)
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#else
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#error Other compiler are not supported.
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#endif
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inline void Trace(std::stringstream& /*rsstream*/)
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{}
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template <typename TArg, typename... TArgs>
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inline void Trace(std::stringstream& rsstream, TArg tArg, TArgs... tArgs)
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{
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rsstream << tArg;
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Trace(rsstream, tArgs...);
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}
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template <typename... TArgs>
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inline void Trace(TArgs... tArgs)
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{
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std::stringstream sstream;
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Trace(sstream, tArgs...);
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sstream << std::endl;
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std::cout << sstream.str();
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}
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#else // ENABLE_TRACE == 0
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inline void Trace()
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{}
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#ifdef __GNUC__
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#endif
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#define TRACE(...) Trace()
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#endif
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#endif // !defined TRACE_H
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