Android为TV端助力:UDP协议(接收组播和单播)

private static String MulticastHost="224.9.9.98";
private static int POST=19999;
private static int unicast_POST=19998;

private static String TwoMulticastHost="239.9.9.98";

private boolean isStopThread = true;


/**
* 接收单播
*/
public void requseUDPUnicast(){
UdpReceiver receiver = new UdpReceiver(unicast_POST,isStopThread);
receiver.addOnReceiveListener(new OnReceiveListener() {
@Override
public void OnReceive(UdpReceiver receiver, DatagramPacket packet) {
if(!isStopThread){
receiver.Stop();
return;
}
byte data[] = packet.getData();
String result = new String(data, 0, packet.getLength());
if(!StringUtil.isEmpty(result) && result.contains("HHZT")){
String serverIP = result.replace("HHZT","");
LogUtil.i("serverIP::"+serverIP);
//通过UDP协议获取点播服务器接口
ConfigMgr.getInstance().initEpgUrl(getEPGHost(serverIP));
UserMgr.setServerIP(getEPGHost(serverIP));
//通过点播IP接口获取账号,账号自动在后台创建
getUserNameAndPw();
}
}
});
try {
receiver.Listen();
} catch (IOException e) {
e.printStackTrace();
}
}
package com.hhzt.vod.smartvod.utils;

import android.util.Log;

import com.hhzt.vod.smartvod.observer.OnReceiveListener;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;

/**
* Created by Administrator on 2018-04-24.
*/

public class UdpReceiver {


protected DatagramSocket client=null;
private OnReceiveListener mOnReceiveListener=null;
private Thread thrRecv=null;
protected int port=0;
public boolean isFlag = true;
public UdpReceiver(int port,boolean isFlag){
this.port=port;
this.isFlag=isFlag;
}
protected DatagramSocket Create() throws IOException {
return new DatagramSocket(this.port);
}
public void addOnReceiveListener(OnReceiveListener mOnReceiveListener){
this.mOnReceiveListener=mOnReceiveListener;
}
public void Stop(){
if(this.thrRecv!=null){
this.isFlag = false;
this.thrRecv.interrupt();
}
this.Close();
}
public void Listen() throws IOException {
this.Close();
this.client=this.Create();
if(this.thrRecv!=null) this.thrRecv.interrupt();
this.thrRecv=new Thread(new Runnable() {
@Override
public void run() {
while(!Thread.interrupted() && isFlag){
DatagramPacket packet = null;
try {
packet=UdpReceiver.this.Receive();
} catch (IOException e) {
e.printStackTrace();
}
// UdpReceiver.this.OnReceive(packet);
if(UdpReceiver.this.mOnReceiveListener!=null && null != packet)
UdpReceiver.this.mOnReceiveListener.OnReceive(UdpReceiver.this, packet);
}
}
});
this.thrRecv.start();
}
protected DatagramPacket Receive() throws IOException {
byte[] recvBuf = new byte[4096];
DatagramPacket recvPacket= new DatagramPacket(recvBuf , recvBuf.length);
this.client.receive(recvPacket);
return recvPacket;
}
protected void Close(){
if(this.client!=null) this.client.close();
}
protected void OnReceive(DatagramPacket args){
if(args == null){
return;
}
byte data[] = args.getData();
String result = new String(data, 0, args.getLength());
Log.i("TAG","serverIP11::"+result);
String serverIP = result.replace("HHZT","");
Log.i("TAG","serverIP::"+serverIP);

}

}
接收组播
public void requseUDPServerIP(){
ThreadPoolManager.getInstance().addTask(new Runnable() {
@Override
public void run() {
MulticastSocket ms = null;
try {
ms = new MulticastSocket(POST);
InetAddress receiveAddress = InetAddress.getByName(MulticastHost);
ms.joinGroup(receiveAddress);
} catch (Exception e) {
e.printStackTrace();
}

byte data[] = new byte[512];
DatagramPacket dp = new DatagramPacket(data, 512);
while (isStopThread) {
try {
ms.receive(dp);
String result = new String(data, 0, dp.getLength());
Log.i("TAG","DatagramPacket11:"+result);
Log.i("TAG","DatagramPacket22:"+dp.getAddress().getHostName());
Log.i("TAG","DatagramPacket33:"+dp.getAddress().getHostAddress());
Log.i("TAG","DatagramPacket44:"+dp.getSocketAddress());
Log.i("TAG","DatagramPacket55:"+dp.getPort());
if(!StringUtil.isEmpty(result) && result.contains("HHZT")){
isStopThread = false;
String serverIP = result.replace("HHZT","");
LogUtil.i("serverIP::"+serverIP);
//通过UDP协议获取点播服务器接口
ConfigMgr.getInstance().initEpgUrl(getEPGHost(serverIP));
UserMgr.setServerIP(getEPGHost(serverIP));
//通过点播IP接口获取账号,账号自动在后台创建
getUserNameAndPw();
ms.disconnect();
ms.close();
break;
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
});}



原文地址:https://www.cnblogs.com/xiaoxiaing/p/9052948.html