From 9e22aa6aff4627a08cb23f649e323f2b42f0d34d Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Sun, 3 Jun 2012 14:57:16 +0200
Subject: Implement reconnect on network change (closes issue #37)

---
 src/de/blinkt/openvpn/OpenVpnService.java | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'src/de/blinkt/openvpn/OpenVpnService.java')

diff --git a/src/de/blinkt/openvpn/OpenVpnService.java b/src/de/blinkt/openvpn/OpenVpnService.java
index 2b44fe03..8c172115 100644
--- a/src/de/blinkt/openvpn/OpenVpnService.java
+++ b/src/de/blinkt/openvpn/OpenVpnService.java
@@ -24,6 +24,8 @@ import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.ConnectivityManager;
 import android.net.LocalSocket;
 import android.net.LocalSocketAddress;
 import android.net.VpnService;
@@ -50,6 +52,8 @@ public class OpenVpnService extends VpnService {
 	private String mLocalIPv6=null;
 	private Notification mNotification=null;
 
+	private NetworkSateReceiver mNetworkStateReceiver;
+
 	private static final int HELLO_ID = 1;
 	
 	@Override
@@ -112,6 +116,13 @@ public class OpenVpnService extends VpnService {
 		return sock;
 
 	}
+	
+	void registerNetworkStateReceiver() {
+		  // Registers BroadcastReceiver to track network connection changes.
+        IntentFilter filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
+        mNetworkStateReceiver = new NetworkSateReceiver(mSocketManager);
+        this.registerReceiver(mNetworkStateReceiver, filter);
+	}
 
 
 	@Override
@@ -161,7 +172,8 @@ public class OpenVpnService extends VpnService {
 		mServiceThread = new Thread(serviceThread, "OpenVPNServiceThread");
 		mServiceThread.start();
 
-
+		
+		
 		// Open the Management Interface
 		mgmtsocket =  openManagmentInterface(8);
 
@@ -170,6 +182,7 @@ public class OpenVpnService extends VpnService {
 			mSocketManager = new OpenVpnManagementThread(mProfile,mgmtsocket,this);
 			mSocketManagerThread = new Thread(mSocketManager,"OpenVPNMgmtThread");
 			mSocketManagerThread.start();
+			registerNetworkStateReceiver();
 		}
 
 		return START_NOT_STICKY;
@@ -182,6 +195,9 @@ public class OpenVpnService extends VpnService {
 
 			mServiceThread.interrupt();
 		}
+		  if (mNetworkStateReceiver!= null) {
+	            this.unregisterReceiver(mNetworkStateReceiver);
+	        }
 	}
 
 
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