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authormickeyl <mickeyl>2003-04-09 21:37:05 (UTC)
committer mickeyl <mickeyl>2003-04-09 21:37:05 (UTC)
commitb055856776807f0a459a86b1e1f62902d2d3a9c3 (patch) (side-by-side diff)
tree46bee28833c363607d20f4db93eef0166a45852d /libopie2
parentc8401f7ebb9e9314ed48517da38b949c24800c50 (diff)
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implements a statistic interface for OPacketCapturer
Diffstat (limited to 'libopie2') (more/less context) (ignore whitespace changes)
-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
@@ -36,12 +36,13 @@
#include <opie2/opcap.h>
/* QT */
#include <qapplication.h> // don't use oapplication here (will decrease reusability in other projects)
#include <qsocketnotifier.h>
+#include <qobjectlist.h>
/*======================================================================================
* OPacket
*======================================================================================*/
OPacket::OPacket( int datalink, packetheaderstruct header, const unsigned char* data, QObject* parent )
@@ -84,12 +85,25 @@ timevalstruct OPacket::timeval() const
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++;
int len = _hdr.caplen;
QString str;
@@ -124,18 +138,18 @@ QString OPacket::dump( int bpl ) const
}
str.append( '\n' );
return str;
}
-
int OPacket::len() const
{
return _hdr.len;
}
+
/*======================================================================================
* OEthernetPacket
*======================================================================================*/
OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent )
:QObject( parent, "Ethernet" ), _ether( data )
@@ -769,12 +783,19 @@ void OPacketCapturer::close()
_sn->disconnect( SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
delete _sn;
}
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
{
return pcap_datalink( _pch );
@@ -790,27 +811,31 @@ int OPacketCapturer::fileno() const
else
{
return -1;
}
}
-
OPacket* OPacketCapturer::next()
{
packetheaderstruct header;
qDebug( "==> OPacketCapturer::next()" );
const unsigned char* pdata = pcap_next( _pch, &header );
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;
}
}
@@ -836,12 +861,13 @@ bool OPacketCapturer::open( const QString& name )
if ( handle )
{
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 )
{
_sn = new QSocketNotifier( fileno(), QSocketNotifier::Read );
connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
@@ -863,13 +889,19 @@ bool OPacketCapturer::isOpen() const
return _open;
}
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
@@ -43,15 +43,17 @@ extern "C" // work around a bpf/pcap conflict in recent headers
#include <netinet/ip.h>
#include <netinet/udp.h>
#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"
/* TYPEDEFS */
@@ -77,12 +79,14 @@ class OPacket : public QObject
timevalstruct timeval() const;
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
};
@@ -431,22 +435,25 @@ class OPacketCapturer : public QObject
int dataLink() const;
int fileno() const;
OPacket* next();
bool open( const QString& name );
bool isOpen() const;
+ const QMap<QString,int>& statistics() const;
+
signals:
void receivedPacket( OPacket* );
protected slots:
void readyToReceive();
protected:
QString _name; // devicename
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