1 files changed, 56 insertions, 1 deletions

diff --git a/LogReceiver/logreceiver.cpp b/LogReceiver/logreceiver.cpp
index 802f442..1256bfe 100644
--- a/LogReceiver/logreceiver.cpp
+++ b/LogReceiver/logreceiver.cpp
@@ -222,6 +222,60 @@ void LogReceiver::checkInternetConnection(QList<QString> &interfaces) {
 			checkInternetConnection(nI);
 		}
 }
+
+void LogReceiver::checkConnectivity(QString ifName) {
+	QString command("route");
+	QStringList argList;
+	QString gateway(" ");
+
+	// get gateway address
+	QString pathToGatewayFile(DEFAULT_GATEWAY_INFO_LOCATION);
+	pathToGatewayFile += ifName;
+    QFile file(pathToGatewayFile);
+    if(file.exists()) {
+    	if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+    		qDebug() << "couldnt open file:" << pathToGatewayFile;
+    		return;
+    	}
+    	while(!file.atEnd()) {
+    		QString line(file.readLine());
+    		QStringList gateways = line.split(",");
+    		gateway = gateways.first().trimmed();
+    	}
+    }
+    else {
+    	qDebug() << "file doesn't exist:" << pathToGatewayFile;
+    	return;
+    }
+
+	// delete default route
+	argList << "del" << "default";
+	QProcess * p = new QProcess(this);
+	p->start(command, argList);
+	p->waitForFinished();
+
+	// add new default route
+	argList.clear();
+	argList << "add" << "default" << "gw" << gateway << ifName;
+	p = new QProcess(this);
+	p->start(command, argList);
+	p->waitForFinished();
+
+	// check connectivity via tcp connection
+	QTcpSocket *tcpSocket = new QTcpSocket(this);
+	tcpSocket->connectToHost(QString("209.85.148.105"), 80);
+	if (!tcpSocket->waitForConnected(2000)) {
+		qDebug() << "no internet connection with interface" << ifName;
+		qDebug() << tcpSocket->errorString();
+		emit updateStatusLabel(ifName, "connection not possible");
+	} else {
+		qDebug() << "internet: check passed! for interface" << ifName;
+		emit
+		updateStatusLabel(ifName, "connection possible");
+		emit connectionEstablished(ifName);
+	}
+}
+
 void LogReceiver::checkInternetConnectionViaTCP(QString ifName) {
 
 	const bool canStartIAP = (configurationManager.capabilities()
@@ -418,7 +472,8 @@ void LogReceiver::handleProcessFinished(int exitCode,
 			emit
 			updateStatusLabel(ifName, "check connectivity");
 			//checkInternetConnection(ifName);
-			checkInternetConnectionViaTCP(ifName);
+			//checkInternetConnectionViaTCP(ifName);
+			checkConnectivity(ifName);
 		}
 	}
 	QLocalSocket *client = ifNameToClient.value(ifName, 0);