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-rw-r--r--libopie2/opienet/opcap.cpp40
-rw-r--r--libopie2/opienet/opcap.h7
2 files changed, 43 insertions, 4 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 5c464cf..6a3dc26 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -38,8 +38,9 @@
/* QT */
#include <qapplication.h> // don't use oapplication here (will decrease reusability in other projects)
#include <qsocketnotifier.h>
+#include <qobjectlist.h>
/*======================================================================================
* OPacket
*======================================================================================*/
@@ -86,8 +87,21 @@ int OPacket::caplen() const
return _hdr.caplen;
}
+void OPacket::updateStats( QMap<QString,int>& stats, QObjectList* l )
+{
+ if (!l) return;
+ QObject* o = l->first();
+ while ( o )
+ {
+ stats[o->name()]++;
+ updateStats( stats, const_cast<QObjectList*>( o->children() ) );
+ o = l->next();
+ }
+}
+
+
QString OPacket::dump( int bpl ) const
{
static int index = 0;
index++;
@@ -126,14 +140,14 @@ QString OPacket::dump( int bpl ) const
return str;
}
-
int OPacket::len() const
{
return _hdr.len;
}
+
/*======================================================================================
* OEthernetPacket
*======================================================================================*/
@@ -771,8 +785,15 @@ void OPacketCapturer::close()
}
pcap_close( _pch );
_open = false;
}
+
+ qDebug( "OPacketCapturer::close() --- dumping capturing statistics..." );
+ qDebug( "--------------------------------------------------" );
+ for( QMap<QString,int>::Iterator it = _stats.begin(); it != _stats.end(); ++it )
+ qDebug( "%s : %d", (const char*) it.key(), it.data() );
+ qDebug( "--------------------------------------------------" );
+
}
int OPacketCapturer::dataLink() const
@@ -792,9 +813,8 @@ int OPacketCapturer::fileno() const
return -1;
}
}
-
OPacket* OPacketCapturer::next()
{
packetheaderstruct header;
qDebug( "==> OPacketCapturer::next()" );
@@ -802,13 +822,18 @@ OPacket* OPacketCapturer::next()
qDebug( "<== OPacketCapturer::next()" );
if ( header.len )
{
- return new OPacket( dataLink(), header, pdata, 0 );
+ 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() ) );
+
+ return p;
}
else
{
return 0;
@@ -838,8 +863,9 @@ bool OPacketCapturer::open( const QString& name )
{
qDebug( "OPacketCapturer::open(): libpcap opened successfully." );
_pch = handle;
_open = true;
+ _stats.clear();
// in case we have an application object, create a socket notifier
if ( qApp )
{
@@ -865,11 +891,17 @@ bool OPacketCapturer::isOpen() const
void OPacketCapturer::readyToReceive()
{
- qDebug( "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(...)'" );
+ qDebug( "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(p)'" );
OPacket* p = next();
emit receivedPacket( p );
// emit is synchronous - packet has been dealt with, now it's safe to delete
delete p;
}
+
+const QMap<QString,int>& OPacketCapturer::statistics() const
+{
+ return _stats;
+}
+
diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h
index ddef278..c9b0624 100644
--- a/libopie2/opienet/opcap.h
+++ b/libopie2/opienet/opcap.h
@@ -45,11 +45,13 @@ extern "C" // work around a bpf/pcap conflict in recent headers
#include <netinet/tcp.h>
#include <time.h>
/* QT */
+#include <qevent.h>
#include <qhostaddress.h>
#include <qobject.h>
#include <qstring.h>
+#include <qmap.h>
/* OPIE */
#include <opie2/onetutils.h>
#include "802_11_user.h"
@@ -79,8 +81,10 @@ class OPacket : public QObject
int caplen() const;
int len() const;
QString dump( int = 32 ) const;
+ void updateStats( QMap<QString,int>&, QObjectList* );
+
private:
const packetheaderstruct _hdr; // pcap packet header
const unsigned char* _data; // pcap packet data
const unsigned char* _end; // end of pcap packet data
@@ -433,8 +437,10 @@ class OPacketCapturer : public QObject
OPacket* next();
bool open( const QString& name );
bool isOpen() const;
+ const QMap<QString,int>& statistics() const;
+
signals:
void receivedPacket( OPacket* );
protected slots:
@@ -445,8 +451,9 @@ class OPacketCapturer : public QObject
bool _open; // check this before doing pcap calls
pcap_t* _pch; // pcap library handle
QSocketNotifier* _sn; // socket notifier for main loop
mutable char _errbuf[PCAP_ERRBUF_SIZE];
+ QMap<QString, int> _stats; // statistics;
};
#endif // OPCAP_H