mirror of
https://github.com/wpilibsuite/allwpilib
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119 lines
2.7 KiB
C++
119 lines
2.7 KiB
C++
#pragma once
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#include <stdio.h>
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#include <iomanip>
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#include <sstream>
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#include <string>
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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 {
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logNONE,
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logERROR,
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logWARNING,
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logINFO,
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logDEBUG,
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logDEBUG1,
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logDEBUG2,
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logDEBUG3,
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logDEBUG4
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};
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class Log {
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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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inline std::ostringstream& Log::Get(TLogLevel level) {
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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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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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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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static const char* const buffer[] = {"NONE", "ERROR", "WARNING",
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"INFO", "DEBUG", "DEBUG1",
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"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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if (level == "DEBUG4") return logDEBUG4;
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if (level == "DEBUG3") return logDEBUG3;
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if (level == "DEBUG2") return logDEBUG2;
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if (level == "DEBUG1") return logDEBUG1;
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if (level == "DEBUG") return logDEBUG;
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if (level == "INFO") return logINFO;
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if (level == "WARNING") return logWARNING;
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if (level == "ERROR") return logERROR;
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if (level == "NONE") return logNONE;
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Log().Get(logWARNING) << "Unknown logging level '" << level
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<< "'. 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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; \
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else \
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Log().Get(level)
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#ifdef _WIN32
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inline std::string NowTime() {
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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,
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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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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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