@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
mdnsSd.stop();
ConnectivityManager connManager =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
NetworkInfo mEth = connManager.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET);
NetworkInterface netInterface = null;
// search the network interface with the ip address returned by the wifi manager
if ((mWifi != null) && (mWifi.isConnected())) {
WifiManager wifiManager =
(WifiManager) context.getSystemService(Context.WIFI_SERVICE);
if (wifiManager != null) {
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int ipAddressInt = wifiInfo.getIpAddress();
String ipAddress =
String.format(
"%d.%d.%d.%d",
(ipAddressInt & 0xff),
(ipAddressInt >> 8 & 0xff),
(ipAddressInt >> 16 & 0xff),
(ipAddressInt >> 24 & 0xff));
try {
InetAddress addr = InetAddress.getByName(ipAddress);
Enumeration<NetworkInterface> intfs = NetworkInterface.getNetworkInterfaces();
while (netInterface == null && intfs.hasMoreElements()) {
NetworkInterface intf = intfs.nextElement();
Enumeration<InetAddress> interfaceAddresses = intf.getInetAddresses();
while (netInterface == null && interfaceAddresses.hasMoreElements()) {
InetAddress interfaceAddr = interfaceAddresses.nextElement();
if (interfaceAddr.equals(addr)) {
netInterface = intf;
}
}
}
} catch (Exception e) {
ARSALPrint.e(TAG, "Unable to get the wifi network interface", e);
}
}
}
// for ethernet, it's not possible to find the correct netInterface. Assume there is
// a default route don't specify the netinterface
if (((mWifi != null) && (mWifi.isConnected()))
|| ((mEth != null) && (mEth.isConnected()))) {
ARSALPrint.v(TAG, "Restaring MdsnSd");
mdnsSd.start(netInterface);
} else {
netDeviceServicesHmap.clear();
broadcaster.broadcastDeviceServiceArrayUpdated();
}
}
}
public synchronized void close() {
ARSALPrint.v(TAG, "Closing MdsnSd based ARDiscovery");
if (started) {
stop();
}
mdnsSd.stop();
this.broadcaster = null;
this.context = null;
}
public synchronized void stop() {
if (started) {
ARSALPrint.v(TAG, "Stopping MdsnSd based ARDiscovery");
started = false;
if (multicastLock.isHeld()) {
multicastLock.release();
}
context.unregisterReceiver(networkStateIntentReceiver);
mdnsSd.stop();
netDeviceServicesHmap.clear();
broadcaster.broadcastDeviceServiceArrayUpdated();
}
}
@Override
public void onServiceAdded(
String name, String serviceType, String ipAddress, int port, String[] txts) {
ARSALPrint.d(
TAG,
"onServiceAdded : "
+ name
+ " |type : "
+ serviceType
+ " |ip : "
+ ipAddress
+ " |port : "
+ port
+ " |txts = "
+ txts);
String serialNumber = null;
if (txts != null && txts.length >= 1) {
serialNumber = txts[0];
}
ARDiscoveryDeviceNetService deviceNetService =
new ARDiscoveryDeviceNetService(name, serviceType, ipAddress, port, serialNumber);
ARDISCOVERY_PRODUCT_ENUM product = devicesServices.get(deviceNetService.getType());
if (product != null) {
int productID = ARDiscoveryService.nativeGetProductID(product.getValue());
ARDiscoveryDeviceService deviceService =
new ARDiscoveryDeviceService(name, deviceNetService, productID);
netDeviceServicesHmap.put(deviceService.getName(), deviceService);
if (broadcaster != null) {
// got an answer, stop sending queries
mdnsSd.cancelSendQueries();
// broadcast the new deviceServiceList
broadcaster.broadcastDeviceServiceArrayUpdated();
}
}
}