From d9f0b08f9253f6347ff9b81e47457c01bca11c41 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Wed, 26 Nov 2014 18:38:12 +0100
Subject: Add debug device state receiver for lollipop to see what Lollipop
 reports...

--HG--
extra : rebase_source : 700acc4cbf442dbcf0687e1c64d443038019f4b0
---
 .../openvpn/core/LollipopDeviceStateListener.java  | 53 ++++++++++++++++++++++
 .../de/blinkt/openvpn/core/OpenVPNService.java     | 30 ++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 main/src/main/java/de/blinkt/openvpn/core/LollipopDeviceStateListener.java

(limited to 'main/src')

diff --git a/main/src/main/java/de/blinkt/openvpn/core/LollipopDeviceStateListener.java b/main/src/main/java/de/blinkt/openvpn/core/LollipopDeviceStateListener.java
new file mode 100644
index 00000000..945d6bd4
--- /dev/null
+++ b/main/src/main/java/de/blinkt/openvpn/core/LollipopDeviceStateListener.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2012-2014 Arne Schwabe
+ * Distributed under the GNU GPL v2. For full terms see the file doc/LICENSE.txt
+ */
+
+package de.blinkt.openvpn.core;
+
+import android.annotation.TargetApi;
+import android.net.ConnectivityManager;
+import android.net.LinkProperties;
+import android.net.Network;
+import android.net.NetworkCapabilities;
+import android.os.Build;
+
+/**
+ * Created by arne on 26.11.14.
+ */
+@TargetApi(Build.VERSION_CODES.LOLLIPOP)
+public class LollipopDeviceStateListener extends ConnectivityManager.NetworkCallback {
+
+    private String mLastConnectedStatus;
+    private String mLastLinkProperties;
+    private String mLastNetworkCapabilities;
+
+    @Override
+    public void onAvailable(Network network) {
+        super.onAvailable(network);
+
+        if (!network.toString().equals(mLastConnectedStatus)) {
+            mLastConnectedStatus = network.toString();
+            VpnStatus.logDebug("Connected to " + mLastConnectedStatus);
+        }
+    }
+
+    @Override
+    public void onLinkPropertiesChanged(Network network, LinkProperties linkProperties) {
+        super.onLinkPropertiesChanged(network, linkProperties);
+
+        if (!linkProperties.toString().equals(mLastLinkProperties)) {
+            mLastLinkProperties = linkProperties.toString();
+            VpnStatus.logDebug(String.format("Linkproperties of %s: %s", network, linkProperties));
+        }
+    }
+
+    @Override
+    public void onCapabilitiesChanged(Network network, NetworkCapabilities networkCapabilities) {
+        super.onCapabilitiesChanged(network, networkCapabilities);
+        if (!networkCapabilities.toString().equals(mLastNetworkCapabilities)) {
+            mLastNetworkCapabilities = networkCapabilities.toString();
+            VpnStatus.logDebug(String.format("Network capabilities of %s: %s", network, networkCapabilities));
+        }
+    }
+}
diff --git a/main/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java b/main/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java
index 037be5f2..ec668e4d 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java
@@ -16,6 +16,8 @@ import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
 import android.net.VpnService;
 import android.os.Binder;
 import android.os.Build;
@@ -79,6 +81,7 @@ public class OpenVPNService extends VpnService implements StateListener, Callbac
     private String mLastTunCfg;
     private String mRemoteGW;
     private final Object mProcessLock = new Object();
+    private LollipopDeviceStateListener mLollipopDeviceStateListener;
 
     // From: http://stackoverflow.com/questions/3758606/how-to-convert-byte-size-into-human-readable-format-in-java
     public static String humanReadableByteCount(long bytes, boolean mbit) {
@@ -263,6 +266,9 @@ public class OpenVPNService extends VpnService implements StateListener, Callbac
         mDeviceStateReceiver = new DeviceStateReceiver(magnagement);
         registerReceiver(mDeviceStateReceiver, filter);
         VpnStatus.addByteCountListener(mDeviceStateReceiver);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+            addLollipopCMListener();
     }
 
     synchronized void unregisterDeviceStateReceiver() {
@@ -277,6 +283,10 @@ public class OpenVPNService extends VpnService implements StateListener, Callbac
                 iae.printStackTrace();
             }
         mDeviceStateReceiver = null;
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+            removeLollipopCMListener();
+
     }
 
     public void userPause(boolean shouldBePaused) {
@@ -605,6 +615,26 @@ public class OpenVPNService extends VpnService implements StateListener, Callbac
 
     }
 
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    void removeLollipopCMListener()
+    {
+        ConnectivityManager cm = (ConnectivityManager) getBaseContext().getSystemService(CONNECTIVITY_SERVICE);
+        cm.unregisterNetworkCallback(mLollipopDeviceStateListener);
+        mLollipopDeviceStateListener = null;
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    void addLollipopCMListener()
+    {
+        ConnectivityManager cm = (ConnectivityManager) getBaseContext().getSystemService(CONNECTIVITY_SERVICE);
+        NetworkRequest.Builder nrb = new NetworkRequest.Builder();
+        nrb.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN);
+
+        mLollipopDeviceStateListener =  new LollipopDeviceStateListener();
+        cm.requestNetwork(nrb.build(), mLollipopDeviceStateListener);
+        cm.registerNetworkCallback(nrb.build(), mLollipopDeviceStateListener);
+    }
+
     private void addLocalNetworksToRoutes() {
         // Add local network interfaces
         String[] localRoutes = NativeUtils.getIfconfig();
-- 
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