Add network traffic graph

src/qt/clientmodel.cpp

@@ -51,6 +51,16 @@ int ClientModel::getNumBlocksAtStartup()
     return numBlocksAtStartup;
 }
 
+quint64 ClientModel::getTotalBytesRecv() const
+{
+    return CNode::GetTotalBytesRecv();
+}
+
+quint64 ClientModel::getTotalBytesSent() const
+{
+    return CNode::GetTotalBytesSent();
+}
+
 QDateTime ClientModel::getLastBlockDate() const
 {
     if (pindexBest)
@@ -85,6 +95,8 @@ void ClientModel::updateTimer()
         // ensure we return the maximum of newNumBlocksOfPeers and newNumBlocks to not create weird displays in the GUI
         emit numBlocksChanged(newNumBlocks, std::max(newNumBlocksOfPeers, newNumBlocks));
     }
+
+    emit bytesChanged(getTotalBytesRecv(), getTotalBytesSent());
 }
 
 void ClientModel::updateNumConnections(int numConnections)