120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
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#pragma once
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#include <sstream>
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#include <iomanip>
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#include <string>
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#include <stdio.h>
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#ifdef _WIN32
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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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inline std::string NowTime();
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enum TLogLevel {logNONE, logERROR, logWARNING, logINFO, logDEBUG, logDEBUG1, logDEBUG2, logDEBUG3, logDEBUG4};
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class Log
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{
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public:
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Log();
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virtual ~Log();
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std::ostringstream& Get(TLogLevel level = logINFO);
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public:
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static TLogLevel& ReportingLevel();
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static std::string ToString(TLogLevel level);
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static TLogLevel FromString(const std::string& level);
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protected:
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std::ostringstream os;
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private:
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Log(const Log&);
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Log& operator =(const Log&);
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};
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inline Log::Log()
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{
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}
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inline std::ostringstream& Log::Get(TLogLevel level)
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{
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os << "- " << NowTime();
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os << " " << ToString(level) << ": ";
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os << std::string(level > logDEBUG ? level - logDEBUG : 0, '\t');
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return os;
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}
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inline Log::~Log()
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{
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os << std::endl;
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fprintf(stderr, "%s", os.str().c_str());
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fflush(stderr);
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}
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inline TLogLevel& Log::ReportingLevel()
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{
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static TLogLevel reportingLevel = logDEBUG4;
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return reportingLevel;
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}
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inline std::string Log::ToString(TLogLevel level)
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{
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static const char* const buffer[] = {"NONE", "ERROR", "WARNING", "INFO", "DEBUG", "DEBUG1", "DEBUG2", "DEBUG3", "DEBUG4"};
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return buffer[level];
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}
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inline TLogLevel Log::FromString(const std::string& level)
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{
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if (level == "DEBUG4")
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return logDEBUG4;
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if (level == "DEBUG3")
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return logDEBUG3;
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if (level == "DEBUG2")
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return logDEBUG2;
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if (level == "DEBUG1")
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return logDEBUG1;
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if (level == "DEBUG")
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return logDEBUG;
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if (level == "INFO")
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return logINFO;
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if (level == "WARNING")
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return logWARNING;
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if (level == "ERROR")
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return logERROR;
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if (level == "NONE")
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return logNONE;
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Log().Get(logWARNING) << "Unknown logging level '" << level << "'. Using INFO level as default.";
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return logINFO;
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}
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typedef Log FILELog;
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#define FILE_LOG(level) \
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if (level > FILELog::ReportingLevel()) ; \
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else Log().Get(level)
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#ifdef _WIN32
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inline std::string NowTime()
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{
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SYSTEMTIME st;
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GetLocalTime(&st);
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char result[100] = {0};
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sprintf(result, "%d:%d:%d.%d", st.wHour , st.wMinute , st.wSecond , st.wMilliseconds);
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return result;
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}
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#else
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inline std::string NowTime()
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{
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char buffer[11];
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time_t t;
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time(&t);
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tm * r = gmtime(&t);
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strftime(buffer, sizeof(buffer), "%H:%M:%S", r);
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struct timeval tv;
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gettimeofday(&tv, 0);
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char result[100] = {0};
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sprintf(result, "%s.%03ld", buffer, (long)tv.tv_usec / 1000);
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return result;
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}
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#endif
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