GpCoreTools::Log Class Reference

Brief description of class still missing. More...

#include <Log.h>

List of all members.

Public Member Functions
	Log (FILE *stream=0)
void	setFile (const char *fileName)
	~Log ()
Static Public Member Functions
static void	setVerbosity (int v)
static FILE *	stream ()
static void	timeStamp (char *buffer32)
static int	verbosity ()
static void	write (int level, const char *cformat,...)
static void	writeNoMutex (int level, const char *cformat,...)
static void	writeNoStamp (int level, const char *cformat,...)

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Detailed Description

Brief description of class still missing.

Full description of class still missing

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Constructor & Destructor Documentation

GpCoreTools::Log::Log

(

FILE *

stream = 0

)

Init log to stream. If null, the default stderr is not changed.

References GpCoreTools::CoreApplication::instance(), and stream().

{
#ifdef SYSLOG
  openlog (CoreApplication::instance()->applicationName(), LOG_NDELAY | LOG_PID, LOG_DAEMON);
#else
  if(stream) {
    _stream=stream;
  }
#endif
}

GpCoreTools::Log::~Log

(

)

Description of destructor still missing

{
#ifdef SYSLOG
  closelog();
#else
  if(_stream!=stderr && _stream!=stdin) {
    fclose(_stream);
  }
#endif
}

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Member Function Documentation

void GpCoreTools::Log::setFile

(

const char *

fileName

)

Description of constructor still missing

References write().

Referenced by main().

{
#ifndef SYSLOG
  if(!fileName) {
    return;
  }
  if(_stream!=stderr && _stream!=stdin) {
    fclose(_stream);
  }

  int fd=open(fileName, O_WRONLY | O_NONBLOCK | O_CREAT | O_APPEND, S_IRWXU | S_IRGRP | S_IROTH);
  if(fd>=0) {
    _stream=fdopen(fd, "a");
    assert(_stream);
  } else {
    _stream=stderr;
    write(0, "failed to open log file %s\n",fileName);
  }
#endif
}

static void GpCoreTools::Log::setVerbosity

(

int

v

)

[inline, static]

Referenced by GpCoreTools::CoreApplication::CoreApplication().

{_verbosity=v;}

static FILE* GpCoreTools::Log::stream

(

)

[inline, static]

Referenced by GpCoreTools::DynamicBuffer::debugBuffer(), GpCoreTools::DynamicBuffer::debugEndIgnoreByte(), GpCoreTools::DynamicBuffer::debugIgnoreByte(), and Log().

{return _stream;}

void GpCoreTools::Log::timeStamp

(

char *

buffer32

)

[static]

Referenced by write(), and writeNoMutex().

{
  time_t t=time(0);
  strftime(buffer32, 32, "%a %b %d %H:%M:%S %Y: ", gmtime(&t));
}

static int GpCoreTools::Log::verbosity

(

)

[inline, static]

{return _verbosity;}

void GpCoreTools::Log::write	(	int	level,
		const char *	cformat,
			...
	)		[static]

References timeStamp().

Referenced by GpCoreTools::CoreApplication::checkOptionArg(), GpCoreTools::DaemonApplication::close(), GpCoreTools::CoreApplication::CoreApplication(), GpCoreTools::DynamicBuffer::debugBuffer(), GpCoreTools::DynamicBuffer::debugIgnoreByte(), GpCoreTools::EventStream::event(), GpCoreTools::UnixServerStream::event(), GpCoreTools::TcpServerStream::event(), GpCoreTools::EventLoop::exec(), GpCoreTools::DaemonApplication::fork(), GpCoreTools::Address::identifyMe(), GpCoreTools::MessageClassIdHeader::isValid(), GpCoreTools::Leds::Leds(), GpCoreTools::UdpServerStream::listen(), GpCoreTools::UnixServerStream::listen(), GpCoreTools::TcpServerStream::listen(), GpCoreTools::CoreApplication::osSignal(), GpCoreTools::DynamicBuffer::read(), GpCoreTools::UdpServerStream::send(), setFile(), GpCoreTools::DaemonApplication::start(), GpCoreTools::TcpServerStream::TcpServerStream(), GpCoreTools::UdpServerStream::UdpServerStream(), GpCoreTools::UnixServerStream::UnixServerStream(), GpCoreTools::InfiniteLoop::wait(), and GpCoreTools::InfiniteLoop::~InfiniteLoop().

{
  if(level<=_verbosity) {
    va_list argptr;
    va_start(argptr, cformat);
#ifdef SYSLOG
    vsyslog(LOG_INFO, cformat, argptr);
#else
    // Print time stamp
    char timeBuf[32];
    timeStamp(timeBuf);
    pthread_mutex_lock(&_mutex);
    // Print message
    unsigned int n=strlen(timeBuf);
    if(fwrite(timeBuf, 1, n, _stream)==n) {
      vfprintf(_stream, cformat, argptr);
      fflush(_stream);
    }
    pthread_mutex_unlock(&_mutex);
#endif
    va_end(argptr);
  }
}

void GpCoreTools::Log::writeNoMutex	(	int	level,
		const char *	cformat,
			...
	)		[static]

Used only when no mutex can be used, for instance during signaled exceptions.

References timeStamp().

Referenced by GpCoreTools::DaemonApplication::childInterrupted().

{
  if(level<=_verbosity) {
    va_list argptr;
    va_start(argptr, cformat);
#ifdef SYSLOG
    vsyslog(LOG_INFO, cformat, argptr);
#else
    // Print time stamp
    char timeBuf[32];
    timeStamp(timeBuf);
    unsigned int n=strlen(timeBuf);
    // Print message
    if(fwrite(timeBuf, 1, n, _stream)==n) {
      vfprintf(_stream, cformat, argptr);
      fflush(_stream);
    }
#endif
    va_end(argptr);
  }
}

void GpCoreTools::Log::writeNoStamp	(	int	level,
		const char *	cformat,
			...
	)		[static]

Referenced by GpCoreTools::CoreApplication::osSignal().

{
  if(level<=_verbosity) {
    va_list argptr;
    va_start(argptr, cformat);
#ifdef SYSLOG
    vsyslog(LOG_INFO, cformat, argptr);
#else
    // Print message
    pthread_mutex_lock(&_mutex);
    vfprintf(_stream, cformat, argptr);
    fflush(_stream);
    pthread_mutex_unlock(&_mutex);
#endif
    va_end(argptr);
  }
}

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The documentation for this class was generated from the following files:

• GpCoreTools/Log.h
• GpCoreTools/Log.cpp