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#include "Logger.hpp"
#include "LogSink.hpp"
#include "ConsoleLogSink.hpp"
#include "FileLogSink.hpp"
#include "SyslogLogSink.hpp"
#ifdef _WIN32
#include "WinDbgLogSink.hpp"
#endif
#include <algorithm>
#include <list>
using namespace std;
LogStream::LogStream( Logger &logger, const LogLevel level )
: m_logger( logger ), m_level( level )
{
}
LogStream::~LogStream( )
{
m_logger.log( m_level, str( ) );
}
ostream &LogStream::get( )
{
// transform the ostringstream to ostream, so the operator
// << functions work a little bit more as expected (e.g.
// for strings/char *)
return static_cast<ostream &>( *this );
}
class LoggerImpl
{
public:
void addSink( LogSink *sink );
void removeSink( LogSink *sink );
void log( const LogLevel level, const std::string &msg );
static std::string toString( const LogLevel level );
static LogLevel fromString( const std::string &s );
void openConsoleLog( const LogLevel level );
void openFileLog( const LogLevel level, const std::string &filename );
void openSyslog( const LogLevel level, const string &ident, const string &facility );
void openWinDbgLog( const LogLevel level );
public:
LoggerImpl( );
~LoggerImpl( );
private:
typedef std::list< LogSink * > SinkList;
SinkList m_sinks;
};
LoggerImpl::LoggerImpl( )
{
}
LoggerImpl::~LoggerImpl( )
{
SinkList::const_iterator it, end = m_sinks.end( );
for( it = m_sinks.begin( ); it != end; it++ ) {
delete (*it);
}
}
void LoggerImpl::addSink( LogSink *sink )
{
m_sinks.push_back( sink );
}
void LoggerImpl::removeSink( LogSink *sink )
{
SinkList::iterator it = find( m_sinks.begin( ), m_sinks.end( ), sink );
if( it != m_sinks.end( ) ) {
m_sinks.erase( it );
}
}
void LoggerImpl::log( const LogLevel level, const string &msg )
{
SinkList::const_iterator it, end = m_sinks.end( );
for( it = m_sinks.begin( ); it != end; it++ ) {
(*it)->log( level, msg );
}
}
void LoggerImpl::openConsoleLog( const LogLevel level )
{
addSink( new ConsoleLogSink( level ) );
}
void LoggerImpl::openFileLog( const LogLevel level, const string &filename )
{
addSink( new FileLogSink( level, filename ) );
}
void LoggerImpl::openSyslog( const LogLevel level, const string &ident, const string &facility )
{
addSink( new SyslogLogSink( level, ident, facility ) );
}
void LoggerImpl::openWinDbgLog( const LogLevel level )
{
#ifdef _WIN32
addSink( new WinDbgLogSink( level ) );
#else
(void)level;
LOG( logWARNING ) << "WinDbg logger is only available on Windows";
#endif
}
string Logger::toString( const LogLevel level )
{
static const char* const buf[] = { "NONE", "FATAL", "CRITICAL", "ERROR", "WARNING", "NOTICE", "INFO", "DEBUG", "DEBUG1", "DEBUG2", "DEBUG3", "DEBUG4" };
return buf[level];
}
LogLevel Logger::fromString( const string& level )
{
if( level == "DEBUG4" ) return logDEBUG4;
if( level == "DEBUG3" ) return logDEBUG3;
if( level == "DEBUG2" ) return logDEBUG2;
if( level == "DEBUG1") return logDEBUG1;
if( level == "DEBUG") return logDEBUG;
if( level == "INFO") return logINFO;
if( level == "NOTICE" ) return logNOTICE;
if( level == "WARNING" ) return logWARNING;
if( level == "ERROR" ) return logERROR;
if( level == "CRITICAL" ) return logCRITICAL;
if( level == "FATAL" ) return logFATAL;
if( level == "NONE" ) return logNONE;
LOG( logWARNING ) << "Unknown log level '" << level << "'. Using INFO level as default.";
return logINFO;
}
Logger::Logger( )
{
m_impl.reset( new LoggerImpl( ) );
}
Logger::~Logger( )
{
}
void Logger::addSink( LogSink *sink )
{
m_impl->addSink( sink );
}
void Logger::removeSink( LogSink *sink )
{
m_impl->removeSink( sink );
}
void Logger::log( const LogLevel level, const string &msg )
{
m_impl->log( level, msg );
}
void Logger::openConsoleLog( const LogLevel level )
{
m_impl->openConsoleLog( level );
}
void Logger::openFileLog( const LogLevel level, const std::string &filename )
{
m_impl->openFileLog( level, filename );
}
void Logger::openSyslog( const LogLevel level, const string &ident, const string &facility )
{
m_impl->openSyslog( level, ident, facility );
}
void Logger::openWinDbgLog( const LogLevel level )
{
m_impl->openWinDbgLog( level );
}
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