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135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
#ifndef LLARP_LOGGER_HPP
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#define LLARP_LOGGER_HPP
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#include <llarp/time.h>
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#include <ctime>
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#include <iomanip>
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#include <iostream>
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#include <llarp/threading.hpp>
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#include <sstream>
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#include <string>
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#ifdef _WIN32
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#define VC_EXTRALEAN
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#include <windows.h>
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#endif
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namespace llarp
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{
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// probably will need to move out of llarp namespace for c api
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enum LogLevel
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{
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eLogDebug,
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eLogInfo,
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eLogWarn,
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eLogError
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};
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struct Logger
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{
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std::string nodeName;
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LogLevel minlevel = eLogInfo;
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std::ostream& out;
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std::mutex access;
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Logger() : Logger(std::cout, "unnamed")
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{
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#ifdef _WIN32
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DWORD mode_flags;
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HANDLE fd1 = GetStdHandle(STD_OUTPUT_HANDLE);
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GetConsoleMode(fd1, &mode_flags);
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// since release SDKs don't have ANSI escape support yet
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mode_flags |= 0x0004;
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SetConsoleMode(fd1, mode_flags);
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#endif
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}
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Logger(std::ostream& o, const std::string& name) : nodeName(name), out(o)
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{
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}
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};
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extern Logger _glog;
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void
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SetLogLevel(LogLevel lvl);
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/** internal */
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template < typename TArg >
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void
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LogAppend(std::stringstream& ss, TArg&& arg) noexcept
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{
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ss << std::forward< TArg >(arg);
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}
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/** internal */
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template < typename TArg, typename... TArgs >
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void
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LogAppend(std::stringstream& ss, TArg&& arg, TArgs&&... args) noexcept
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{
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LogAppend(ss, std::forward< TArg >(arg));
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LogAppend(ss, std::forward< TArgs >(args)...);
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}
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/** internal */
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template < typename... TArgs >
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void
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_Log(LogLevel lvl, const char* fname, int lineno, TArgs&&... args) noexcept
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{
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if(_glog.minlevel > lvl)
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return;
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std::stringstream ss;
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switch(lvl)
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{
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case eLogDebug:
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ss << (char)27 << "[0m";
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ss << "[DBG] ";
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break;
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case eLogInfo:
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ss << (char)27 << "[1m";
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ss << "[NFO] ";
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break;
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case eLogWarn:
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ss << (char)27 << "[1;33m";
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ss << "[WRN] ";
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break;
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case eLogError:
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ss << (char)27 << "[1;31m";
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ss << "[ERR] ";
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break;
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}
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std::string tag = fname;
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ss << _glog.nodeName << " " << llarp_time_now_ms() << " " << tag << ":"
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<< lineno;
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ss << "\t";
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LogAppend(ss, std::forward< TArgs >(args)...);
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ss << (char)27 << "[0;0m";
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{
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std::unique_lock< std::mutex > lock(_glog.access);
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_glog.out << ss.str() << std::endl;
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#ifdef SHADOW_TESTNET
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_glog.out << "\n" << std::flush;
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#endif
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}
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}
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} // namespace llarp
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#define LogDebug(x, ...) \
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_Log(llarp::eLogDebug, LOG_TAG, __LINE__, x, ##__VA_ARGS__)
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#define LogInfo(x, ...) \
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_Log(llarp::eLogInfo, LOG_TAG, __LINE__, x, ##__VA_ARGS__)
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#define LogWarn(x, ...) \
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_Log(llarp::eLogWarn, LOG_TAG, __LINE__, x, ##__VA_ARGS__)
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#define LogError(x, ...) \
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_Log(llarp::eLogError, LOG_TAG, __LINE__, x, ##__VA_ARGS__)
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#define LogDebugTag(tag, x, ...) \
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_Log(llarp::eLogDebug, tag, __LINE__, x, ##__VA_ARGS__)
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#define LogInfoTag(tag, x, ...) \
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_Log(llarp::eLogInfo, tag, __LINE__, x, ##__VA_ARGS__)
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#define LogWarnTag(tag, x, ...) \
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_Log(llarp::eLogWarn, tag, __LINE__, x, ##__VA_ARGS__)
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#define LogErrorTag(tag, x, ...) \
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_Log(llarp::eLogError, tag, __LINE__, x, ##__VA_ARGS__)
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#ifndef LOG_TAG
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#define LOG_TAG "default"
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#endif
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#endif
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