117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvAccessCPP is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#include <fstream>
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#include <iostream>
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#include <time.h>
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#include <cstring>
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#include <stdio.h>
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#include <pv/noDefaultMethods.h>
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#include <pv/lock.h>
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#include <pv/pvType.h>
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#include <epicsExit.h>
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#include <errlog.h>
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#include <epicsTime.h>
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#define epicsExportSharedSymbols
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#include <pv/logger.h>
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using namespace epics::pvData;
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using std::ofstream;
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using std::ios;
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using std::endl;
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namespace epics {
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namespace pvAccess {
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#define TIMETEXTLEN 32
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static pvAccessLogLevel g_pvAccessLogLevel = logLevelInfo;
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void pvAccessLog(pvAccessLogLevel level, const char* format, ...)
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{
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// TODO lock
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if (level >= g_pvAccessLogLevel)
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{
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char timeText[TIMETEXTLEN];
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epicsTimeStamp tsNow;
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epicsTimeGetCurrent(&tsNow);
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epicsTimeToStrftime(timeText, TIMETEXTLEN, "%Y-%m-%dT%H:%M:%S.%03f", &tsNow);
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printf("%s ", timeText);
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va_list arg;
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va_start(arg, format);
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vprintf(format, arg);
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va_end(arg);
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printf("\n");
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}
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}
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void pvAccessSetLogLevel(pvAccessLogLevel level)
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{
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g_pvAccessLogLevel = level;
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}
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bool pvAccessIsLoggable(pvAccessLogLevel level)
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{
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return level >= g_pvAccessLogLevel;
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}
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class FileLogger : public NoDefaultMethods {
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public:
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FileLogger(String const & name) {
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logFile.open(name.data(), ios::app);
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}
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~FileLogger() {
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logFile.close();
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}
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void logMessage(const char* message) {
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time_t rawtime;
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time(&rawtime);
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char* timeStr = ctime(&rawtime);
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timeStr[strlen(timeStr)-1]='\0'; // remove newline
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logFile<<timeStr<<"\t"<<message; // the newline is added by the caller
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}
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private:
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ofstream logFile;
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};
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static FileLogger* fileLogger = NULL;
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static void errLogFileListener(void* /*pPrivate*/, const char *message) {
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fileLogger->logMessage(message);
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}
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static void exitFileLoggerHandler(void* /*pPrivate*/) {
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errlogFlush();
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delete fileLogger;
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}
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void createFileLogger(String const & fname) {
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static Mutex mutex;
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Lock xx(mutex);
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if(fileLogger==NULL) {
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fileLogger = new FileLogger(fname);
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errlogInit(2048);
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errlogAddListener(errLogFileListener, NULL);
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epicsAtExit(exitFileLoggerHandler, NULL);
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}
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}
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}
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}
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