-rw-r--r-- | libopie2/opienet/opcap.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp index 067d6b7..f8ebe6b 100644 --- a/libopie2/opienet/opcap.cpp +++ b/libopie2/opienet/opcap.cpp @@ -1158,214 +1158,212 @@ int OPacketCapturer::dataLink() const { return pcap_datalink( _pch ); } void OPacketCapturer::dump( OPacket* p ) { if ( !_pcd ) { owarn << "OPacketCapturer::dump() - cannot dump without open capture file!" << oendl; return; } pcap_dump( (u_char*) _pcd, &p->_hdr, p->_data ); } int OPacketCapturer::fileno() const { if ( _open ) { return pcap_fileno( _pch ); } else { return -1; } } OPacket* OPacketCapturer::next( int time ) { fd_set fds; struct timeval tv; FD_ZERO( &fds ); FD_SET( pcap_fileno( _pch ), &fds ); tv.tv_sec = time / 1000; tv.tv_usec = time % 1000; int retval = select( pcap_fileno( _pch )+1, &fds, NULL, NULL, &tv); if ( retval > 0 ) // clear to read! return next(); else return 0; } OPacket* OPacketCapturer::next() { packetheaderstruct header; odebug << "==> OPacketCapturer::next()" << oendl; const unsigned char* pdata = pcap_next( _pch, &header ); odebug << "<== OPacketCapturer::next()" << oendl; if ( pdata && header.len ) { OPacket* p = new OPacket( dataLink(), header, pdata, 0 ); // packets shouldn't be inserted in the QObject child-parent hierarchy, // because due to memory constraints they will be deleted as soon // as possible - that is right after they have been processed // by emit() [ see below ] //TODO: make gathering statistics optional, because it takes time p->updateStats( _stats, const_cast<QObjectList*>( p->children() ) ); odebug << "OPacket::dumpStructure: " << p->dumpStructure() << oendl; return p; } else { owarn << "OPacketCapturer::next() - no packet received!" << oendl; return 0; } } bool OPacketCapturer::open( const QString& name ) { if ( _open ) { if ( name == _name ) // ignore opening an already openend device { return true; } else // close the last opened device { close(); } } _name = name; // open libpcap pcap_t* handle = pcap_open_live( const_cast<char*>( (const char*) name ), 1024, 0, 0, &_errbuf[0] ); if ( !handle ) { owarn << "OPacketCapturer::open(): can't open libpcap with '" << name << "': " << _errbuf << oendl; return false; } odebug << "OPacketCapturer::open(): libpcap [" << name << "] opened successfully." << oendl; _pch = handle; _open = true; _stats.clear(); // in case we have an application object, create a socket notifier if ( qApp ) //TODO: I don't like this here... { _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read ); connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) ); } return true; } bool OPacketCapturer::openDumpFile( const QString& filename ) { pcap_dumper_t* dump = pcap_dump_open( _pch, const_cast<char*>( (const char*) filename ) ); if ( !dump ) { owarn << "OPacketCapturer::open(): can't open dump with '" << filename << "': " << _errbuf << oendl; return false; } odebug << "OPacketCapturer::open(): dump [" << filename << "] opened successfully." << oendl; _pcd = dump; return true; } -bool OPacketCapturer::open( const QFile& file ) +bool OPacketCapturer::openCaptureFile( const QString& name ) { - QString name = file.name(); - if ( _open ) { close(); if ( name == _name ) // ignore opening an already openend device { return true; } else // close the last opened device { close(); } } _name = name; pcap_t* handle = pcap_open_offline( const_cast<char*>( (const char*) name ), &_errbuf[0] ); if ( handle ) { odebug << "OPacketCapturer::open(): libpcap opened successfully." << oendl; _pch = handle; _open = true; // in case we have an application object, create a socket notifier if ( qApp ) { _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read ); connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) ); } return true; } else { odebug << "OPacketCapturer::open(): can't open libpcap with '" << name << "': " << _errbuf << oendl; return false; } } bool OPacketCapturer::isOpen() const { return _open; } void OPacketCapturer::readyToReceive() { odebug << "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(p)'" << oendl; OPacket* p = next(); emit receivedPacket( p ); // emit is synchronous - packet has been dealt with, now it's safe to delete (if enabled) if ( _autodelete ) delete p; } const QMap<QString,int>& OPacketCapturer::statistics() const { return _stats; } int OPacketCapturer::snapShot() const { return pcap_snapshot( _pch ); } bool OPacketCapturer::swapped() const { return pcap_is_swapped( _pch ); } QString OPacketCapturer::version() const { return QString().sprintf( "%d.%d", pcap_major_version( _pch ), pcap_minor_version( _pch ) ); } } } |