-rw-r--r-- | libopie2/opienet/opcap.h | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h index c9b0624..6c3ac6d 100644 --- a/libopie2/opienet/opcap.h +++ b/libopie2/opienet/opcap.h @@ -48,4 +48,5 @@ extern "C" // work around a bpf/pcap conflict in recent headers /* QT */ #include <qevent.h> +#include <qfile.h> #include <qhostaddress.h> #include <qobject.h> @@ -421,4 +422,10 @@ class OTCPPacket : public QObject *======================================================================================*/ +/** + * @brief A class based wrapper for network packet capturing. + * + * This class is the base of a high-level interface to the well known packet capturing + * library libpcap. ... + */ class OPacketCapturer : public QObject { @@ -426,15 +433,51 @@ class OPacketCapturer : public QObject public: + /** + * Constructor. + */ OPacketCapturer( QObject* parent = 0, const char* name = 0 ); + /** + * Destructor. + */ ~OPacketCapturer(); - + /** + * Setting the packet capturer to use blocking IO calls can be useful when + * not using the socket notifier, e.g. without an application object. + */ void setBlocking( bool ); + /** + * @returns true if the packet capturer uses blocking IO calls. + */ bool blocking() const; - + /** + * Closes the packet capturer. This is automatically done in the destructor. + */ void close(); + /** + * @returns the data link type. + * @see <pcap.h> for possible values. + */ int dataLink() const; + /** + * @returns the filedescriptor of the packet capturer. This is only useful, if + * not using the socket notifier, e.g. without an application object. + */ int fileno() const; + /** + * @returns the next @ref OPacket from the packet capturer. + * @note If blocking mode is true then this call might block. + */ OPacket* next(); - bool open( const QString& name ); + /** + * Open the packet capturer to capture packets in live-mode from @a interface. + */ + bool open( const QString& interface ); + /** + * Open the packet capturer to capture packets in offline-mode from @a file. + */ + bool open( const QFile& file ); + /** + * @returns true if the packet capturer is open + */ bool isOpen() const; @@ -442,4 +485,7 @@ class OPacketCapturer : public QObject signals: + /** + * This signal is emitted, when a packet has been received. + */ void receivedPacket( OPacket* ); @@ -452,5 +498,5 @@ class OPacketCapturer : public QObject pcap_t* _pch; // pcap library handle QSocketNotifier* _sn; // socket notifier for main loop - mutable char _errbuf[PCAP_ERRBUF_SIZE]; + mutable char _errbuf[PCAP_ERRBUF_SIZE]; // holds error strings from libpcap QMap<QString, int> _stats; // statistics; }; |