Examples with Network android.net.Network used on opensource projects

Example 11 with Network

use of android.net.Network in project platform_frameworks_base by android.

the class ConnectivityServiceTest method testAvoidBadWifi.

@SmallTest
public void testAvoidBadWifi() throws Exception {
    final ContentResolver cr = mServiceContext.getContentResolver();
    final WrappedMultinetworkPolicyTracker tracker = mService.getMultinetworkPolicyTracker();
    // Pretend we're on a carrier that restricts switching away from bad wifi.
    tracker.configRestrictsAvoidBadWifi = true;
    // File a request for cell to ensure it doesn't go down.
    final TestNetworkCallback cellNetworkCallback = new TestNetworkCallback();
    final NetworkRequest cellRequest = new NetworkRequest.Builder().addTransportType(TRANSPORT_CELLULAR).build();
    mCm.requestNetwork(cellRequest, cellNetworkCallback);
    TestNetworkCallback defaultCallback = new TestNetworkCallback();
    mCm.registerDefaultNetworkCallback(defaultCallback);
    NetworkRequest validatedWifiRequest = new NetworkRequest.Builder().addTransportType(TRANSPORT_WIFI).addCapability(NET_CAPABILITY_VALIDATED).build();
    TestNetworkCallback validatedWifiCallback = new TestNetworkCallback();
    mCm.registerNetworkCallback(validatedWifiRequest, validatedWifiCallback);
    Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 0);
    tracker.reevaluate();
    // Bring up validated cell.
    mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
    mCellNetworkAgent.connect(true);
    cellNetworkCallback.expectAvailableAndValidatedCallbacks(mCellNetworkAgent);
    defaultCallback.expectAvailableAndValidatedCallbacks(mCellNetworkAgent);
    Network cellNetwork = mCellNetworkAgent.getNetwork();
    // Bring up validated wifi.
    mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
    mWiFiNetworkAgent.connect(true);
    defaultCallback.expectAvailableAndValidatedCallbacks(mWiFiNetworkAgent);
    validatedWifiCallback.expectAvailableCallbacks(mWiFiNetworkAgent);
    validatedWifiCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
    Network wifiNetwork = mWiFiNetworkAgent.getNetwork();
    // Fail validation on wifi.
    mWiFiNetworkAgent.getWrappedNetworkMonitor().gen204ProbeResult = 599;
    mCm.reportNetworkConnectivity(wifiNetwork, false);
    defaultCallback.expectCapabilitiesWithout(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
    validatedWifiCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
    // Because avoid bad wifi is off, we don't switch to cellular.
    defaultCallback.assertNoCallback();
    assertFalse(mCm.getNetworkCapabilities(wifiNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertTrue(mCm.getNetworkCapabilities(cellNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertEquals(mCm.getActiveNetwork(), wifiNetwork);
    // Simulate switching to a carrier that does not restrict avoiding bad wifi, and expect
    // that we switch back to cell.
    tracker.configRestrictsAvoidBadWifi = false;
    tracker.reevaluate();
    defaultCallback.expectAvailableCallbacks(mCellNetworkAgent);
    assertEquals(mCm.getActiveNetwork(), cellNetwork);
    // Switch back to a restrictive carrier.
    tracker.configRestrictsAvoidBadWifi = true;
    tracker.reevaluate();
    defaultCallback.expectAvailableCallbacks(mWiFiNetworkAgent);
    assertEquals(mCm.getActiveNetwork(), wifiNetwork);
    // Simulate the user selecting "switch" on the dialog, and check that we switch to cell.
    mCm.setAvoidUnvalidated(wifiNetwork);
    defaultCallback.expectAvailableCallbacks(mCellNetworkAgent);
    assertFalse(mCm.getNetworkCapabilities(wifiNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertTrue(mCm.getNetworkCapabilities(cellNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertEquals(mCm.getActiveNetwork(), cellNetwork);
    // Disconnect and reconnect wifi to clear the one-time switch above.
    mWiFiNetworkAgent.disconnect();
    mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
    mWiFiNetworkAgent.connect(true);
    defaultCallback.expectAvailableAndValidatedCallbacks(mWiFiNetworkAgent);
    validatedWifiCallback.expectAvailableCallbacks(mWiFiNetworkAgent);
    validatedWifiCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
    wifiNetwork = mWiFiNetworkAgent.getNetwork();
    // Fail validation on wifi and expect the dialog to appear.
    mWiFiNetworkAgent.getWrappedNetworkMonitor().gen204ProbeResult = 599;
    mCm.reportNetworkConnectivity(wifiNetwork, false);
    defaultCallback.expectCapabilitiesWithout(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
    validatedWifiCallback.expectCallback(CallbackState.LOST, mWiFiNetworkAgent);
    // Simulate the user selecting "switch" and checking the don't ask again checkbox.
    Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 1);
    tracker.reevaluate();
    // We now switch to cell.
    defaultCallback.expectAvailableCallbacks(mCellNetworkAgent);
    assertFalse(mCm.getNetworkCapabilities(wifiNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertTrue(mCm.getNetworkCapabilities(cellNetwork).hasCapability(NET_CAPABILITY_VALIDATED));
    assertEquals(mCm.getActiveNetwork(), cellNetwork);
    // Simulate the user turning the cellular fallback setting off and then on.
    // We switch to wifi and then to cell.
    Settings.Global.putString(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, null);
    tracker.reevaluate();
    defaultCallback.expectAvailableCallbacks(mWiFiNetworkAgent);
    assertEquals(mCm.getActiveNetwork(), wifiNetwork);
    Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 1);
    tracker.reevaluate();
    defaultCallback.expectAvailableCallbacks(mCellNetworkAgent);
    assertEquals(mCm.getActiveNetwork(), cellNetwork);
    // If cell goes down, we switch to wifi.
    mCellNetworkAgent.disconnect();
    defaultCallback.expectCallback(CallbackState.LOST, mCellNetworkAgent);
    defaultCallback.expectAvailableCallbacks(mWiFiNetworkAgent);
    validatedWifiCallback.assertNoCallback();
    mCm.unregisterNetworkCallback(cellNetworkCallback);
    mCm.unregisterNetworkCallback(validatedWifiCallback);
    mCm.unregisterNetworkCallback(defaultCallback);
}

Example 12 with Network

use of android.net.Network in project platform_frameworks_base by android.

the class ConnectivityServiceTest method testPacketKeepalives.

@SmallTest
public void testPacketKeepalives() throws Exception {
    InetAddress myIPv4 = InetAddress.getByName("192.0.2.129");
    InetAddress notMyIPv4 = InetAddress.getByName("192.0.2.35");
    InetAddress myIPv6 = InetAddress.getByName("2001:db8::1");
    InetAddress dstIPv4 = InetAddress.getByName("8.8.8.8");
    InetAddress dstIPv6 = InetAddress.getByName("2001:4860:4860::8888");
    LinkProperties lp = new LinkProperties();
    lp.setInterfaceName("wlan12");
    lp.addLinkAddress(new LinkAddress(myIPv6, 64));
    lp.addLinkAddress(new LinkAddress(myIPv4, 25));
    lp.addRoute(new RouteInfo(InetAddress.getByName("fe80::1234")));
    lp.addRoute(new RouteInfo(InetAddress.getByName("192.0.2.254")));
    Network notMyNet = new Network(61234);
    Network myNet = connectKeepaliveNetwork(lp);
    TestKeepaliveCallback callback = new TestKeepaliveCallback();
    PacketKeepalive ka;
    // Attempt to start keepalives with invalid parameters and check for errors.
    ka = mCm.startNattKeepalive(notMyNet, 25, callback, myIPv4, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_NETWORK);
    ka = mCm.startNattKeepalive(myNet, 19, callback, notMyIPv4, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_INTERVAL);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 1234, dstIPv6);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv6, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv6, 1234, dstIPv6);
    // NAT-T is IPv4-only.
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 123456, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_PORT);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 123456, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_PORT);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
    // Check that a started keepalive can be stopped.
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    mWiFiNetworkAgent.setStopKeepaliveError(PacketKeepalive.SUCCESS);
    ka.stop();
    callback.expectStopped();
    // Check that deleting the IP address stops the keepalive.
    LinkProperties bogusLp = new LinkProperties(lp);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    bogusLp.removeLinkAddress(new LinkAddress(myIPv4, 25));
    bogusLp.addLinkAddress(new LinkAddress(notMyIPv4, 25));
    mWiFiNetworkAgent.sendLinkProperties(bogusLp);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    mWiFiNetworkAgent.sendLinkProperties(lp);
    // Check that a started keepalive is stopped correctly when the network disconnects.
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    mWiFiNetworkAgent.disconnect();
    waitFor(mWiFiNetworkAgent.getDisconnectedCV());
    callback.expectError(PacketKeepalive.ERROR_INVALID_NETWORK);
    // ... and that stopping it after that has no adverse effects.
    mService.waitForIdle();
    final Network myNetAlias = myNet;
    assertNull(mCm.getNetworkCapabilities(myNetAlias));
    ka.stop();
    // Reconnect.
    myNet = connectKeepaliveNetwork(lp);
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    // Check things work as expected when the keepalive is stopped and the network disconnects.
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    ka.stop();
    mWiFiNetworkAgent.disconnect();
    waitFor(mWiFiNetworkAgent.getDisconnectedCV());
    mService.waitForIdle();
    callback.expectStopped();
    // Reconnect.
    myNet = connectKeepaliveNetwork(lp);
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    // Check that keepalive slots start from 1 and increment. The first one gets slot 1.
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(1);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    // The second one gets slot 2.
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(2);
    TestKeepaliveCallback callback2 = new TestKeepaliveCallback();
    PacketKeepalive ka2 = mCm.startNattKeepalive(myNet, 25, callback2, myIPv4, 6789, dstIPv4);
    callback2.expectStarted();
    // Now stop the first one and create a third. This also gets slot 1.
    ka.stop();
    callback.expectStopped();
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(1);
    TestKeepaliveCallback callback3 = new TestKeepaliveCallback();
    PacketKeepalive ka3 = mCm.startNattKeepalive(myNet, 25, callback3, myIPv4, 9876, dstIPv4);
    callback3.expectStarted();
    ka2.stop();
    callback2.expectStopped();
    ka3.stop();
    callback3.expectStopped();
}

Example 13 with Network

use of android.net.Network in project android-priority-jobqueue by yigit.

the class NetworkUtilImpl method listenNetworkViaConnectivityManager.

@TargetApi(23)
private void listenNetworkViaConnectivityManager(final Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkRequest request = new NetworkRequest.Builder().addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED).build();
    cm.registerNetworkCallback(request, new ConnectivityManager.NetworkCallback() {

        @Override
        public void onAvailable(Network network) {
            dispatchNetworkChange(context);
        }
    });
}

Example 14 with Network

use of android.net.Network in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method getDefaultNetworkCapabilitiesForUser.

@Override
public NetworkCapabilities[] getDefaultNetworkCapabilitiesForUser(int userId) {
    // The basic principle is: if an app's traffic could possibly go over a
    // network, without the app doing anything multinetwork-specific,
    // (hence, by "default"), then include that network's capabilities in
    // the array.
    //
    // In the normal case, app traffic only goes over the system's default
    // network connection, so that's the only network returned.
    //
    // With a VPN in force, some app traffic may go into the VPN, and thus
    // over whatever underlying networks the VPN specifies, while other app
    // traffic may go over the system default network (e.g.: a split-tunnel
    // VPN, or an app disallowed by the VPN), so the set of networks
    // returned includes the VPN's underlying networks and the system
    // default.
    enforceAccessPermission();
    HashMap<Network, NetworkCapabilities> result = new HashMap<Network, NetworkCapabilities>();
    NetworkAgentInfo nai = getDefaultNetwork();
    NetworkCapabilities nc = getNetworkCapabilitiesInternal(nai);
    if (nc != null) {
        result.put(nai.network, nc);
    }
    if (!mLockdownEnabled) {
        synchronized (mVpns) {
            Vpn vpn = mVpns.get(userId);
            if (vpn != null) {
                Network[] networks = vpn.getUnderlyingNetworks();
                if (networks != null) {
                    for (Network network : networks) {
                        nai = getNetworkAgentInfoForNetwork(network);
                        nc = getNetworkCapabilitiesInternal(nai);
                        if (nc != null) {
                            result.put(network, nc);
                        }
                    }
                }
            }
        }
    }
    NetworkCapabilities[] out = new NetworkCapabilities[result.size()];
    out = result.values().toArray(out);
    return out;
}

Example 15 with Network

use of android.net.Network in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method getUnfilteredActiveNetworkState.

private NetworkState getUnfilteredActiveNetworkState(int uid) {
    NetworkAgentInfo nai = getDefaultNetwork();
    final Network[] networks = getVpnUnderlyingNetworks(uid);
    if (networks != null) {
        //                    first one.
        if (networks.length > 0) {
            nai = getNetworkAgentInfoForNetwork(networks[0]);
        } else {
            nai = null;
        }
    }
    if (nai != null) {
        return nai.getNetworkState();
    } else {
        return NetworkState.EMPTY;
    }
}