Log& Log::instance()
{
Log* log = _logInstance.get();
if( !log )
{
log = new Log();
_logInstance = log;
static bool first = true;
if( first && lunchbox::Log::level > LOG_INFO )
{
first = false;
log->disableHeader();
log->disableFlush();
*log << std::setw( LENGTH_PID ) << std::right << "PID" << "."
<< std::setw( LENGTH_THREAD ) << std::left << "Thread " << "|"
<< std::setw( LENGTH_FILE+5 ) << " Filename:line " << "|"
<< std::right << std::setw( LENGTH_TIME ) << " ms " << "|"
<< " Message" << std::endl;
log->enableFlush();
log->enableHeader();
}
}
return *log;
}
Log& Log::instance()
{
Log* log = _logInstance.get();
if( !log )
{
log = new Log();
_logInstance = log;
}
return *log;
}
/**
* Draws a bin. Most of this code is copied from osgUtil::RenderBin::drawImplementation.
* The modifications are (a) skipping code to render child bins, (b) setting a bin-global
* projection matrix in orthographic space, and (c) calling our custom "renderLeaf()" method
* instead of RenderLeaf::render()
*/
void drawImplementation( osgUtil::RenderBin* bin, osg::RenderInfo& renderInfo, osgUtil::RenderLeaf*& previous )
{
osg::State& state = *renderInfo.getState();
unsigned int numToPop = (previous ? osgUtil::StateGraph::numToPop(previous->_parent) : 0);
if (numToPop>1) --numToPop;
unsigned int insertStateSetPosition = state.getStateSetStackSize() - numToPop;
if (bin->getStateSet())
{
state.insertStateSet(insertStateSetPosition, bin->getStateSet());
}
// apply a window-space projection matrix.
const osg::Viewport* vp = renderInfo.getCurrentCamera()->getViewport();
if ( vp )
{
//TODO see which is faster
osg::ref_ptr<osg::RefMatrix>& m = _ortho2D.get();
if ( !m.valid() )
m = new osg::RefMatrix();
m->makeOrtho2D( vp->x(), vp->x()+vp->width()-1, vp->y(), vp->y()+vp->height()-1 );
state.applyProjectionMatrix( m.get() );
//osg::ref_ptr<osg::RefMatrix> rm = new osg::RefMatrix( osg::Matrix::ortho2D(
// vp->x(), vp->x()+vp->width()-1,
// vp->y(), vp->y()+vp->height()-1 ) );
//state.applyProjectionMatrix( rm.get() );
}
// render the list
osgUtil::RenderBin::RenderLeafList& leaves = bin->getRenderLeafList();
for(osgUtil::RenderBin::RenderLeafList::reverse_iterator rlitr = leaves.rbegin();
rlitr!= leaves.rend();
++rlitr)
{
osgUtil::RenderLeaf* rl = *rlitr;
renderLeaf( rl, renderInfo, previous );
previous = rl;
}
if ( bin->getStateSet() )
{
state.removeStateSet(insertStateSetPosition);
}
}
namespace lunchbox
{
static unsigned getLogTopics();
namespace
{
class LogTable
{
public:
LogTable( const LogLevel _level, const std::string& _name )
: level( _level ), name( _name ) {}
LogLevel level;
std::string name;
};
#define LOG_TABLE_ENTRY( name ) LogTable( LOG_ ## name, std::string( #name ))
#define LOG_TABLE_SIZE (5)
static LogTable _logTable[ LOG_TABLE_SIZE ] =
{
LOG_TABLE_ENTRY( ERROR ),
LOG_TABLE_ENTRY( WARN ),
LOG_TABLE_ENTRY( INFO ),
LOG_TABLE_ENTRY( VERB ),
LOG_TABLE_ENTRY( ALL )
};
}
int Log::level = Log::getLogLevel( getenv( "LB_LOG_LEVEL" ));
unsigned Log::topics = getLogTopics();
Clock _defaultClock;
Clock* _clock = &_defaultClock;
Lock LogBuffer::_lock;
static PerThread< Log > _logInstance;
#ifdef NDEBUG
static std::ostream* _logStream = &std::cout;
#else
static std::ostream* _logStream = &std::cerr;
#endif
static std::ostream* _logFile = 0;
int Log::getLogLevel( const char* text )
{
if( text )
{
const int num = atoi( text );
if( num > 0 && num <= LOG_ALL )
return num;
for( uint32_t i = 0; i < LOG_TABLE_SIZE; ++i )
if( _logTable[i].name == text )
return _logTable[i].level;
}
#ifdef NDEBUG
return LOG_WARN;
#else
return LOG_INFO;
#endif
}
std::string& Log::getLogLevelString()
{
for( uint32_t i=0; i<LOG_TABLE_SIZE; ++i )
if( _logTable[i].level == level )
return _logTable[i].name;
return _logTable[0].name;
}
unsigned getLogTopics()
{
Log::level = Log::getLogLevel( getenv( "LB_LOG_LEVEL" ));
const char *env = getenv( "LB_LOG_TOPICS" );
if( env )
return atoll(env);
if( Log::level == LOG_ALL )
return 0xffffffffu;
return 0;
}
Log& Log::instance()
{
Log* log = _logInstance.get();
if( !log )
{
log = new Log();
_logInstance = log;
}
return *log;
}
Log& Log::instance( const char* file, const int line )
{
Log& log = instance();
log.setLogInfo( file, line );
return log;
}
void Log::exit()
{
Log* log = _logInstance.get();
_logInstance = 0;
delete log;
}
void Log::reset()
{
exit();
delete _logFile;
_logFile = 0;
#ifdef NDEBUG
_logStream = &std::cout;
#else
_logStream = &std::cerr;
#endif
}
void Log::setOutput( std::ostream& stream )
{
_logStream = &stream;
exit();
}
bool Log::setOutput( const std::string& file )
{
std::ostream* oldLog = _logStream;
std::ofstream* newLog = new std::ofstream( file.c_str( ));
if( newLog->is_open( ))
{
setOutput( *newLog );
*oldLog << "Redirected log to " << file << std::endl;
delete _logFile;
_logFile = newLog;
return true;
}
LBWARN << "Can't open log file " << file << ": " << sysError << std::endl;
delete newLog;
return false;
}
void Log::setClock( Clock* clock )
{
if( clock )
_clock = clock;
else
_clock = &_defaultClock;
}
const Clock& Log::getClock()
{
return *_clock;
}
std::ostream& Log::getOutput()
{
return *_logStream;
}
void LogBuffer::setThreadName( const std::string& name )
{
LBASSERT( !name.empty( ));
snprintf( _thread, 12, "%s", name.c_str( ));
_thread[11] = 0;
}
LogBuffer::int_type LogBuffer::overflow( LogBuffer::int_type c )
{
if( c == EOF )
return EOF;
if( _newLine )
{
if( !_noHeader )
{
//assert( _thread[0] );
_stringStream << getpid() << " " << _thread << " " << _file << ":"
<< _line << " " << _clock->getTime64() << " ";
}
for( int i=0; i<_indent; ++i )
_stringStream << " ";
_newLine = false;
}
_stringStream << (char)c;
return c;
}
int LogBuffer::sync()
{
if( !_blocked )
{
const std::string& string = _stringStream.str();
{
ScopedMutex< Lock > mutex( _lock );
_stream.write( string.c_str(), string.length( ));
_stream.rdbuf()->pubsync();
}
_stringStream.str( "" );
}
_newLine = true;
return 0;
}
std::ostream& indent( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->indent();
return os;
}
std::ostream& exdent( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->exdent();
return os;
}
std::ostream& disableFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->disableFlush();
return os;
}
std::ostream& enableFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->enableFlush();
return os;
}
std::ostream& forceFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->forceFlush();
return os;
}
std::ostream& disableHeader( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->disableHeader();
return os;
}
std::ostream& enableHeader( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->enableHeader();
return os;
}
}
void Log::exit()
{
Log* log = _logInstance.get();
_logInstance = 0;
delete log;
}
namespace lunchbox
{
static unsigned getLogTopics();
static Clock _defaultClock;
static Clock* _clock = &_defaultClock;
static Lock _lock; // The write lock
const size_t LENGTH_PID = 5;
const size_t LENGTH_THREAD = 8;
const size_t LENGTH_FILE = 29;
const size_t LENGTH_TIME = 6;
namespace detail
{
/** @internal The string buffer used for logging. */
class Log : public std::streambuf
{
public:
explicit Log( std::ostream& stream )
: _indent(0), _blocked(0), _noHeader(0),
_newLine(true), _stream(stream)
{
_file[0] = 0;
setThreadName( "Unknown" );
}
virtual ~Log() {}
void indent() { ++_indent; }
void exdent() { --_indent; }
void disableFlush() { ++_blocked; assert( _blocked < 100 ); }
void enableFlush()
{
assert( _blocked );// Too many enableFlush on log stream
--_blocked;
}
void disableHeader() { ++_noHeader; } // use counted variable to allow
void enableHeader() { --_noHeader; } // nested enable/disable calls
void setThreadName( const std::string& name )
{
LBASSERT( !name.empty( ));
_thread = name.substr( 0, LENGTH_THREAD );
}
const std::string& getThreadName() const { return _thread; }
void setLogInfo( const char* f, const int line )
{
LBASSERT( f );
std::string file( f );
const size_t length = file.length();
if( length > LENGTH_FILE )
file = file.substr( length - LENGTH_FILE, length );
snprintf( _file, LENGTH_FILE+6, "%29s:%-4d", file.c_str(), line );
}
protected:
int_type overflow( Log::int_type c ) override
{
if( c == EOF )
return EOF;
if( _newLine )
{
if( !_noHeader )
{
if( lunchbox::Log::level > LOG_INFO )
_stringStream << std::right << std::setw( LENGTH_PID )
<< getpid() << "."
<< std::left << std::setw( LENGTH_THREAD )
<< _thread << " " << _file << " "
<< std::right << std::setw( LENGTH_TIME )
<< _clock->getTime64() << " ";
else
_stringStream << std::right << std::setw( LENGTH_TIME )
<< _clock->getTime64() << " ";
}
for( int i=0; i<_indent; ++i )
_stringStream << " ";
_newLine = false;
}
_stringStream << (char)c;
return c;
}
int sync() override
{
if( !_blocked )
{
const std::string& string = _stringStream.str();
{
ScopedMutex< lunchbox::Lock > mutex( _lock );
_stream.write( string.c_str(), string.length( ));
_stream.rdbuf()->pubsync();
}
_stringStream.str( "" );
}
_newLine = true;
return 0;
}
private:
Log( const Log& );
Log& operator = ( const Log& );
/** Short thread name. */
std::string _thread;
/** The current file logging. */
char _file[35];
/** The current indentation level. */
int _indent;
/** Flush reference counter. */
int _blocked;
/** The header disable counter. */
int _noHeader;
/** The flag that a new line has started. */
bool _newLine;
/** The temporary buffer. */
std::ostringstream _stringStream;
/** The wrapped ostream. */
std::ostream& _stream;
};
}
namespace
{
class LogTable
{
public:
LogTable( const LogLevel _level, const std::string& _name )
: level( _level ), name( _name ) {}
LogLevel level;
std::string name;
};
#define LOG_TABLE_ENTRY( name ) LogTable( LOG_ ## name, std::string( #name ))
#define LOG_TABLE_SIZE (6)
static LogTable _logTable[ LOG_TABLE_SIZE ] =
{
LOG_TABLE_ENTRY( ERROR ),
LogTable( LOG_ERROR, "WARN" ),
LOG_TABLE_ENTRY( INFO ),
LOG_TABLE_ENTRY( DEBUG ),
LOG_TABLE_ENTRY( VERB ),
LOG_TABLE_ENTRY( ALL )
};
}
int Log::level = Log::getLogLevel( getenv( "LB_LOG_LEVEL" ));
unsigned Log::topics = getLogTopics();
static PerThread< Log > _logInstance;
#ifdef NDEBUG
static std::ostream* _logStream = &std::cout;
#else
static std::ostream* _logStream = &std::cerr;
#endif
static std::ostream* _logFile = 0;
Log::Log()
: std::ostream( new detail::Log( getOutput( )))
, impl_( dynamic_cast< detail::Log* >( rdbuf( )))
{}
Log::~Log()
{
impl_->pubsync();
delete impl_;
}
void Log::indent()
{
impl_->indent();
}
void Log::exdent()
{
impl_->exdent();
}
void Log::disableFlush()
{
impl_->disableFlush();
}
void Log::enableFlush()
{
impl_->enableFlush();
}
void Log::forceFlush()
{
impl_->pubsync();
}
void Log::disableHeader()
{
impl_->disableHeader();
}
void Log::enableHeader()
{
impl_->enableHeader();
}
void Log::setLogInfo( const char* file, const int line )
{
impl_->setLogInfo( file, line );
}
void Log::setThreadName( const std::string& name )
{
impl_->setThreadName( name );
}
const std::string& Log::getThreadName() const
{
return impl_->getThreadName();
}
int Log::getLogLevel( const char* text )
{
if( text )
{
const int num = atoi( text );
if( num > 0 && num <= LOG_ALL )
return num;
for( uint32_t i = 0; i < LOG_TABLE_SIZE; ++i )
if( _logTable[i].name == text )
return _logTable[i].level;
}
#ifdef NDEBUG
return LOG_INFO;
#else
return LOG_DEBUG;
#endif
}
std::string& Log::getLogLevelString()
{
for( uint32_t i=0; i<LOG_TABLE_SIZE; ++i )
if( _logTable[i].level == level )
return _logTable[i].name;
return _logTable[0].name;
}
unsigned getLogTopics()
{
Log::level = Log::getLogLevel( getenv( "LB_LOG_LEVEL" ));
const char *env = getenv( "LB_LOG_TOPICS" );
if( env )
return atoll(env);
if( Log::level == LOG_ALL )
return LOG_ANY;
#ifdef NDEBUG
return 0;
#else
return LOG_BUG;
#endif
}
Log& Log::instance()
{
Log* log = _logInstance.get();
if( !log )
{
log = new Log();
_logInstance = log;
static bool first = true;
if( first && lunchbox::Log::level > LOG_INFO )
{
first = false;
log->disableHeader();
log->disableFlush();
*log << std::setw( LENGTH_PID ) << std::right << "PID" << "."
<< std::setw( LENGTH_THREAD ) << std::left << "Thread " << "|"
<< std::setw( LENGTH_FILE+5 ) << " Filename:line " << "|"
<< std::right << std::setw( LENGTH_TIME ) << " ms " << "|"
<< " Message" << std::endl;
log->enableFlush();
log->enableHeader();
}
}
return *log;
}
Log& Log::instance( const char* file, const int line )
{
Log& log = instance();
log.setLogInfo( file, line );
return log;
}
void Log::exit()
{
Log* log = _logInstance.get();
_logInstance = 0;
delete log;
}
void Log::reset()
{
exit();
delete _logFile;
_logFile = 0;
#ifdef NDEBUG
_logStream = &std::cout;
#else
_logStream = &std::cerr;
#endif
}
void Log::setOutput( std::ostream& stream )
{
_logStream = &stream;
exit();
}
bool Log::setOutput( const std::string& file )
{
std::ofstream* newLog = new std::ofstream( file.c_str( ));
if( !newLog->is_open( ))
{
LBERROR << "Can't open log file " << file << ": " << sysError
<< std::endl;
delete newLog;
return false;
}
LBDEBUG << "Redirect log to " << file << std::endl;
setOutput( *newLog );
delete _logFile;
_logFile = newLog;
return true;
}
void Log::setClock( Clock* clock )
{
if( clock )
_clock = clock;
else
_clock = &_defaultClock;
}
const Clock& Log::getClock()
{
return *_clock;
}
std::ostream& Log::getOutput()
{
return *_logStream;
}
std::ostream& indent( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->indent();
return os;
}
std::ostream& exdent( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->exdent();
return os;
}
std::ostream& disableFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->disableFlush();
return os;
}
std::ostream& enableFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->enableFlush();
return os;
}
std::ostream& forceFlush( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->forceFlush();
return os;
}
std::ostream& disableHeader( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->disableHeader();
return os;
}
std::ostream& enableHeader( std::ostream& os )
{
Log* log = dynamic_cast<Log*>(&os);
if( log )
log->enableHeader();
return os;
}
}
