SocketService.java
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package com.qnbar.smc.service;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import com.gimi.common.cinema.model.MessageEvent;
import com.google.gson.Gson;
import com.google.gson.JsonSyntaxException;
import org.greenrobot.eventbus.EventBus;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.ref.WeakReference;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Arrays;
public class SocketService extends Service {
private static final String TAG = "BackService";
private static final long HEART_BEAT_RATE = 30 * 1000;
public static final String HOST = "121.43.189.162";// "192.168.1.21";//
public static final int PORT = 9501;
public static final String MESSAGE_ACTION = "com.dingmore.terminal.socket";
public static final String HEART_BEAT_ACTION = "com.dingmore.terminal.socket.heart";
public static final String HEART_BEAT_STRING = "00";//心跳包内容
private ReadThread mReadThread;
private Gson gson;
// private LocalBroadcastManager mLocalBroadcastManager;
private WeakReference<Socket> mSocket;
// For heart Beat
private Handler mHandler = new Handler();
private Runnable heartBeatRunnable = new Runnable() {
@Override
public void run() {
if (System.currentTimeMillis() - sendTime >= HEART_BEAT_RATE) {
Log.d(TAG, "heart beat");
boolean isSuccess = sendMsg(HEART_BEAT_STRING);//就发送一个HEART_BEAT_STRING过去 如果发送失败，就重新初始化一个socket
if (!isSuccess) {
Log.d(TAG, "heart beat error restart");
mHandler.removeCallbacks(heartBeatRunnable);
mReadThread.release();
releaseLastSocket(mSocket);
new InitSocketThread().start();
}
} else {
Log.d(TAG, "heart beat less than beat rate");
}
mHandler.postDelayed(this, HEART_BEAT_RATE);
}
};
private long sendTime = 0L;
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
gson = new Gson();
new InitSocketThread().start();
Log.d(TAG, "socket service onCreate");
// mLocalBroadcastManager = LocalBroadcastManager.getInstance(this);
}
public boolean sendMsg(String msg) {
if (null == mSocket || null == mSocket.get()) {
return false;
}
Log.d(TAG, msg);
Socket soc = mSocket.get();
try {
if (!soc.isClosed() && !soc.isOutputShutdown()) {
OutputStream os = soc.getOutputStream();
String message = msg;
os.write(message.getBytes());
os.flush();
sendTime = System.currentTimeMillis();//每次发送成数据，就改一下最后成功发送的时间，节省心跳间隔时间
} else {
return false;
}
} catch (IOException e) {
e.printStackTrace();
return false;
}
return true;
}
private void initSocket() {//初始化Socket
try {
Socket so = new Socket(HOST, PORT);
mSocket = new WeakReference<Socket>(so);
mReadThread = new ReadThread(so);
mReadThread.start();
// new Thread(heartBeatRunnable).start();
// mHandler.post(heartBeatRunnable);//初始化成功后，就准备发送心跳包
new HeatBeat(so).start();//上面的 one plus 3t NetworkOnMainThreadException!!!
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private void releaseLastSocket(WeakReference<Socket> mSocket) {
try {
if (null != mSocket) {
Socket sk = mSocket.get();
if (!sk.isClosed()) {
sk.close();
}
sk = null;
mSocket = null;
}
} catch (IOException e) {
e.printStackTrace();
}
}
class InitSocketThread extends Thread {
@Override
public void run() {
super.run();
initSocket();
}
}
// Thread to read content from Socket
class ReadThread extends Thread {
private WeakReference<Socket> mWeakSocket;
private boolean isStart = true;
public ReadThread(Socket socket) {
mWeakSocket = new WeakReference<Socket>(socket);
}
public void release() {
isStart = false;
releaseLastSocket(mWeakSocket);
}
@Override
public void run() {
super.run();
Socket socket = mWeakSocket.get();
if (null != socket) {
try {
if (!sendRegister) {
Log.d(TAG, "send register mes");
String msg = "{\"cmd\":\"register\",\"data\":{\"room_sn\":\"000002\"}}\\r\\n\\r\\n";
sendMsg(msg);
Log.d(TAG, "" + msg);
sendRegister = true;
}
Log.d(TAG, "send register mes end");
InputStream is = socket.getInputStream();
byte[] buffer = new byte[1024 * 4];
int length = 0;
while (!socket.isClosed() && !socket.isInputShutdown()
&& isStart && ((length = is.read(buffer)) != -1)) {
if (length > 0) {
String message = new String(Arrays.copyOf(buffer,
length)).trim();
Log.d(TAG, message);
try {
SocketResponse socketResponse = gson.fromJson(message.trim(), SocketResponse.class);
switch (socketResponse.getCode()) {
case 1001:
sendMsg("{\"cmd\":\"reconnect\",\"data\":{\"room_sn\":\"000002\"}}\\r\\n\\r\\n");
Log.d(TAG, "send reconnect mes");
break;
case 1002:
Log.d(TAG, "re init socket");
// sendRegister = false;
releaseLastSocket(mWeakSocket);
initSocket();
break;
}
if (("openDoor").equals(socketResponse.getCmd())) {
MessageEvent messageEvent = new MessageEvent();
messageEvent.setEventId(1701);
messageEvent.setMessage("click item");
EventBus.getDefault().post(messageEvent);
}
} catch (JsonSyntaxException e) {
Log.d(TAG, message);
e.printStackTrace();
}
//收到服务器过来的消息，就通过Broadcast发送出去
// if (message.equals(HEART_BEAT_STRING)) {//处理心跳回复
// Intent intent = new Intent(HEART_BEAT_ACTION);
// mLocalBroadcastManager.sendBroadcast(intent);
// } else {
// //其他消息回复
// Intent intent = new Intent(MESSAGE_ACTION);
// intent.putExtra("message", message);
// mLocalBroadcastManager.sendBroadcast(intent);
// }
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
boolean sendRegister = false;
// Thread to read content from Socket
class HeatBeat extends Thread {
private WeakReference<Socket> mWeakSocket;
private boolean isStart = true;
public HeatBeat(Socket socket) {
mWeakSocket = new WeakReference<Socket>(socket);
}
@Override
public void run() {
super.run();
Socket socket = mWeakSocket.get();
if (null != socket) {
while (true) {
if (System.currentTimeMillis() - sendTime >= HEART_BEAT_RATE) {
Log.d(TAG, "heart beat");
boolean isSuccess = sendMsg(HEART_BEAT_STRING);//就发送一个HEART_BEAT_STRING过去 如果发送失败，就重新初始化一个socket
if (!isSuccess) {
Log.d(TAG, "heart beat error restart");
// mHandler.removeCallbacks(heartBeatRunnable);
mReadThread.release();
releaseLastSocket(mSocket);
new InitSocketThread().start();
}
} else {
Log.d(TAG, "heart beat less than beat rate");
}
try {
Thread.sleep(HEART_BEAT_RATE);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "socket service destroy");
}
}