1 files changed, 100 insertions, 0 deletions
diff --git a/src/knemod/interfacemonitor.cpp b/src/knemod/interfacemonitor.cpp
new file mode 100644
index 0000000..b75d35e
--- /dev/null
+++ b/src/knemod/interfacemonitor.cpp
@@ -0,0 +1,100 @@
+/* This file is part of KNemo
+   Copyright (C) 2004, 2006 Percy Leonhardt <percy@eris23.de>
+
+   KNemo is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   KNemo is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <kdebug.h>
+
+#include "interface.h"
+#include "interfacemonitor.h"
+
+InterfaceMonitor::InterfaceMonitor( QObject* parent, const char* name )
+    : QObject( parent, name )
+{
+}
+
+InterfaceMonitor::~InterfaceMonitor()
+{
+}
+
+void InterfaceMonitor::checkStatus( Interface* interface )
+{
+    int currentState;
+    int previousState = interface->getState();
+    InterfaceData& data = interface->getData();
+    int trafficThreshold = interface->getSettings().trafficThreshold;
+
+    if ( !data.existing )
+        // the interface does not exist
+        currentState = Interface::NOT_EXISTING;
+    else if ( !data.available )
+        // the interface exists but is not connected
+        currentState = Interface::NOT_AVAILABLE;
+    else
+    {
+        // the interface is connected, look for traffic
+        currentState = Interface::AVAILABLE;
+        if ( ( data.rxPackets - data.prevRxPackets ) > (unsigned int) trafficThreshold )
+            currentState |= Interface::RX_TRAFFIC;
+        if ( ( data.txPackets - data.prevTxPackets ) > (unsigned int) trafficThreshold )
+            currentState |= Interface::TX_TRAFFIC;
+    }
+
+    // update the statistics
+    if ( data.incomingBytes > 0 )
+    {
+        emit incomingData( data.incomingBytes );
+    }
+    if ( data.outgoingBytes > 0 )
+    {
+        emit outgoingData( data.outgoingBytes );
+    }
+
+    data.prevRxPackets = data.rxPackets;
+    data.prevTxPackets = data.txPackets;
+
+    if ( ( previousState == Interface::NOT_EXISTING ||
+           previousState == Interface::NOT_AVAILABLE ||
+           previousState == Interface::UNKNOWN_STATE ) &&
+         currentState & Interface::AVAILABLE )
+    {
+        emit available( previousState );
+    }
+    else if ( ( previousState == Interface::NOT_EXISTING ||
+                previousState & Interface::AVAILABLE ||
+                previousState == Interface::UNKNOWN_STATE ) &&
+              currentState == Interface::NOT_AVAILABLE )
+    {
+        emit notAvailable( previousState );
+    }
+    else if ( ( previousState == Interface::NOT_AVAILABLE ||
+                previousState & Interface::AVAILABLE ||
+                previousState == Interface::UNKNOWN_STATE ) &&
+              currentState == Interface::NOT_EXISTING )
+    {
+        emit notExisting( previousState );
+    }
+
+    // make sure the icon fits the current state
+    if ( previousState != currentState )
+    {
+        emit statusChanged( currentState );
+        interface->setState( currentState );
+    }
+}
+
+#include "interfacemonitor.moc"