[Qt] show number of in/out connections in debug console

Author: Philip Kaufmann

src/qt/clientmodel.cpp

@@ -39,9 +39,18 @@ ClientModel::~ClientModel()
     unsubscribeFromCoreSignals();
 }
 
-int ClientModel::getNumConnections() const
+int ClientModel::getNumConnections(unsigned int flags) const
 {
-    return vNodes.size();
+    LOCK(cs_vNodes);
+    if (flags == CONNECTIONS_ALL) // Shortcut if we want total
+        return vNodes.size();
+
+    int nNum = 0;
+    BOOST_FOREACH(CNode* pnode, vNodes)
+    if (flags & (pnode->fInbound ? CONNECTIONS_IN : CONNECTIONS_OUT))
+        nNum++;
+
+    return nNum;
 }
 
 int ClientModel::getNumBlocks() const

src/qt/clientmodel.h

@@ -25,6 +25,13 @@ enum BlockSource {
     BLOCK_SOURCE_NETWORK
 };
 
+enum NumConnections {
+    CONNECTIONS_NONE = 0,
+    CONNECTIONS_IN   = (1U << 0),
+    CONNECTIONS_OUT  = (1U << 1),
+    CONNECTIONS_ALL  = (CONNECTIONS_IN | CONNECTIONS_OUT),
+};
+
 /** Model for Bitcoin network client. */
 class ClientModel : public QObject
 {
@@ -36,7 +43,8 @@ class ClientModel : public QObject
 
     OptionsModel *getOptionsModel();
 
-    int getNumConnections() const;
+    //! Return number of connections, default is in- and outbound (total)
+    int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
     int getNumBlocks() const;
     int getNumBlocksAtStartup();
 

src/qt/rpcconsole.cpp

@@ -349,7 +349,14 @@ void RPCConsole::message(int category, const QString &message, bool html)
 
 void RPCConsole::setNumConnections(int count)
 {
-    ui->numberOfConnections->setText(QString::number(count));
+    if (!clientModel)
+        return;
+
+    QString connections = QString::number(count) + " (";
+    connections += tr("In:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_IN)) + " / ";
+    connections += tr("Out:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_OUT)) + ")";
+
+    ui->numberOfConnections->setText(connections);
 }
 
 void RPCConsole::setNumBlocks(int count, int countOfPeers)