public void startSearch() {
Log.d(TAG, "Start search.");
if (mStarted) {
Log.d(TAG, "startSearch() ignore, search is already started.");
return;
}
mStarted = true;
NetWorkUtil.acquireWifiMultiCastLock(mContext);
Thread searchThread = new Thread(this);
searchThread.start();
}
public void stopSearch() {
Log.d(TAG, "Stop search");
mStarted = false;
mStopped = true;
leaveGroup(mMulticastAddress);
NetWorkUtil.releaseWifiMultiCastLock();
closeSocket();
mInstance = null;
}
public void run() {
DatagramPacket inPacket;
while (!mStopped) {
try {
inPacket = new DatagramPacket(new byte[1024], 1024);
mReceiveSocket.receive(inPacket);
byte[] data = inPacket.getData();
SearchProtocol.decodeSearchLan(data, mListener);
} catch (Exception e) {
if (e instanceof SocketTimeoutException) {
// time out, search again.
Log.d(TAG, "GetPacket time out. search again.");
} else {
Log.e(TAG, "GetPacket error," + e.toString());
if (mListener != null) {
mListener.onSearchStop();
}
}
}
}
}