added a function to the routemanager (which will soon be renamed into networkmanager) to bring up and down interfaces.

3 files changed, 55 insertions, 2 deletions

diff --git a/LogReceiver/html/networkdiscovery.css b/LogReceiver/html/networkdiscovery.css
index fc1c514..8e6b364 100644
--- a/LogReceiver/html/networkdiscovery.css
+++ b/LogReceiver/html/networkdiscovery.css
@@ -17,6 +17,10 @@ header, footer, aside {
     display: block;  
 } 
 
+#intro {
+  margin: 20px;
+}
+
 #content {  
   display: table;
   width: 100%;
@@ -34,6 +38,9 @@ aside {
   width: 300px;  
 } 
 
+h1 {
+  margin-top: 20px;
+}
 
 h1, p{
     color:#333;
diff --git a/LogReceiver/routemanager.cpp b/LogReceiver/routemanager.cpp
index 98ce2ad..ceb9b28 100644
--- a/LogReceiver/routemanager.cpp
+++ b/LogReceiver/routemanager.cpp
@@ -56,7 +56,7 @@ int routemanager::replaceDefaultRoute(QString ifname, QString gateway,
 	qDebug() << "---doRoute() gwaddr" << gwaddr;
 
 	if (!(gw = nl_addr_parse(gwaddr, af))) {
-		printf("Invalid router address given: %s\n", gwaddr);
+		qDebug() << "Invalid router address given: %s\n", gwaddr;
 		return -1;
 	}
 
@@ -64,7 +64,7 @@ int routemanager::replaceDefaultRoute(QString ifname, QString gateway,
 	nl_connect(rtsock, NETLINK_ROUTE);
 
 	if ((cache = rtnl_link_alloc_cache(rtsock)) == NULL) {
-		printf("error with link cache alloc \n");
+		qDebug() << "error with link cache alloc \n";
 	}
 
 	iface_idx = rtnl_link_name2i(cache, ifn);
@@ -88,6 +88,51 @@ int routemanager::replaceDefaultRoute(QString ifname, QString gateway,
 	return retval;
 }
 
+int routemanager::bringInterfaceUpDown(QString ifname, bool up) {
+	struct nl_cache *cache;
+	struct nl_handle* rtsock;
+	struct rtnl_link* request = NULL;
+	struct rtnl_link* old = NULL;
+	int retval;
+
+	QByteArray ba_ifn = ifname.toAscii();
+	char * ifn = ba_ifn.data();
+
+	if(!(request = rtnl_link_alloc())) {
+		qDebug() << "error. couldn't allocate a rtnl link";
+		return -1;
+	}
+
+	rtsock = nl_handle_alloc();
+	nl_connect(rtsock, NETLINK_ROUTE);
+
+	if(up) {
+		rtnl_link_set_flags(request,IFF_UP);
+	} else {
+		rtnl_link_unset_flags(request, IFF_UP);
+	}
+
+	if ((cache = rtnl_link_alloc_cache(rtsock)) == NULL) {
+		qDebug() << "error with link cache alloc ";
+	}
+
+	old = rtnl_link_get_by_name(cache,ifn);
+	if (old) {
+		qDebug() << "change link";
+		rtnl_link_change(rtsock, old, request, 0);
+	} else {
+		qDebug() << "change failed";
+	}
+
+	retval = 0;
+
+	rtnl_link_put(old);
+	rtnl_link_put(request);
+	nl_handle_destroy(rtsock);
+
+	return retval;
+}
+
 /**
  * This method adds or deletes a route.
  * This method adds or deletes a route. According to the action,
diff --git a/LogReceiver/routemanager.h b/LogReceiver/routemanager.h
index ee48122..fc26145 100644
--- a/LogReceiver/routemanager.h
+++ b/LogReceiver/routemanager.h
@@ -31,6 +31,7 @@ public:
 			int action);
 	int	replaceDefaultRoute(QString ifname, QString gateway, int metric,
 					int af);
+	int bringInterfaceUpDown(QString ifname, bool up);
 
 private: