235 lines
8.1 KiB
Java
235 lines
8.1 KiB
Java
package net.spacen.xxh_video;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.os.Build;
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import android.os.Handler;
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import android.os.IBinder;
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import android.provider.Settings;
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import android.util.Log;
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import android.widget.Toast;
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import org.eclipse.paho.android.service.MqttAndroidClient;
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import org.eclipse.paho.client.mqttv3.IMqttActionListener;
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import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
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import org.eclipse.paho.client.mqttv3.IMqttToken;
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import org.eclipse.paho.client.mqttv3.MqttCallback;
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import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
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import org.eclipse.paho.client.mqttv3.MqttException;
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import org.eclipse.paho.client.mqttv3.MqttMessage;
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import org.greenrobot.eventbus.EventBus;
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import java.util.UUID;
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/**
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* Author wildma
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* Github https://github.com/wildma
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* CreateDate 2018/11/08
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* Desc ${MQTT服务}
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*/
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public class MyMqttService extends Service {
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public final String TAG = MyMqttService.class.getSimpleName();
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private static MqttAndroidClient mqttAndroidClient;
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private MqttConnectOptions mMqttConnectOptions;
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public String HOST = "tcp://mqtt.hulian100.cn:1883";//服务器地址（协议+地址+端口号）
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public String USERNAME = "admin";//用户名
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public String PASSWORD = "password";//密码
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public static String PUBLISH_TOPIC = "/xxh/rtmp-video/";//发布主题
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public static String RESPONSE_TOPIC = "/xxh/rtmp-video/";//响应主题
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public static String CLIENTID = "";
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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init();
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return super.onStartCommand(intent, flags, startId);
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}
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@Override
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public IBinder onBind(Intent intent) {
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return null;
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}
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public static void setCLIENTID(String clientid) {
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CLIENTID =clientid;
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}
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/**
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* 开启服务
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*/
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public static void startService(Context mContext) {
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mContext.startService(new Intent(mContext, MyMqttService.class));
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}
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/**
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* 发布 （模拟其他客户端发布消息）
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*
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* @param message 消息
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*/
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public static void publish(String message) {
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String topic = PUBLISH_TOPIC;
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Integer qos = 2;
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Boolean retained = false;
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try {
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//参数分别为：主题、消息的字节数组、服务质量、是否在服务器保留断开连接后的最后一条消息
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mqttAndroidClient.publish(topic, message.getBytes(), qos.intValue(), retained.booleanValue());
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} catch (MqttException e) {
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e.printStackTrace();
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}
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}
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/**
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* 响应 （收到其他客户端的消息后，响应给对方告知消息已到达或者消息有问题等）
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*
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* @param message 消息
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*/
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public void response(String message) {
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String topic = RESPONSE_TOPIC;
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Integer qos = 2;
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Boolean retained = false;
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try {
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//参数分别为：主题、消息的字节数组、服务质量、是否在服务器保留断开连接后的最后一条消息
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mqttAndroidClient.publish(topic, message.getBytes(), qos.intValue(), retained.booleanValue());
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} catch (MqttException e) {
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e.printStackTrace();
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}
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}
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/**
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* 初始化
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*/
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private void init() {
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String serverURI = HOST; //服务器地址（协议+地址+端口号）
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mqttAndroidClient = new MqttAndroidClient(this, serverURI, CLIENTID);
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mqttAndroidClient.setCallback(mqttCallback); //设置监听订阅消息的回调
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mMqttConnectOptions = new MqttConnectOptions();
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mMqttConnectOptions.setCleanSession(true); //设置是否清除缓存
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mMqttConnectOptions.setConnectionTimeout(10); //设置超时时间，单位：秒
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mMqttConnectOptions.setKeepAliveInterval(20); //设置心跳包发送间隔，单位：秒
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mMqttConnectOptions.setUserName(USERNAME); //设置用户名
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mMqttConnectOptions.setPassword(PASSWORD.toCharArray()); //设置密码
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// last will message
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boolean doConnect = true;
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String message = "{\"terminal_uid\":\"" + CLIENTID + "\"}";
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String topic = PUBLISH_TOPIC;
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Integer qos = 2;
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Boolean retained = false;
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if ((!message.equals("")) || (!topic.equals(""))) {
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// 最后的遗嘱
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try {
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mMqttConnectOptions.setWill(topic, message.getBytes(), qos.intValue(), retained.booleanValue());
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} catch (Exception e) {
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Log.i(TAG, "Exception Occured", e);
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doConnect = false;
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iMqttActionListener.onFailure(null, e);
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}
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}
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if (doConnect) {
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doClientConnection();
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}
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}
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/**
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* 连接MQTT服务器
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*/
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private void doClientConnection() {
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if (!mqttAndroidClient.isConnected() && isConnectIsNomarl()) {
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try {
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mqttAndroidClient.connect(mMqttConnectOptions, null, iMqttActionListener);
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} catch (MqttException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 判断网络是否连接
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*/
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private boolean isConnectIsNomarl() {
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ConnectivityManager connectivityManager = (ConnectivityManager) this.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo info = connectivityManager.getActiveNetworkInfo();
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if (info != null && info.isAvailable()) {
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String name = info.getTypeName();
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Log.i(TAG, "当前网络名称：" + name);
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return true;
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} else {
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Log.i(TAG, "没有可用网络");
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/*没有可用网络的时候，延迟3秒再尝试重连*/
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new Handler().postDelayed(new Runnable() {
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@Override
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public void run() {
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doClientConnection();
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}
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}, 3000);
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return false;
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}
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}
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//MQTT是否连接成功的监听
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private IMqttActionListener iMqttActionListener = new IMqttActionListener() {
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@Override
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public void onSuccess(IMqttToken arg0) {
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Log.i(TAG, "连接成功 ");
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try {
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mqttAndroidClient.subscribe(PUBLISH_TOPIC + CLIENTID, 2);//订阅主题，参数：主题、服务质量
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} catch (MqttException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void onFailure(IMqttToken arg0, Throwable arg1) {
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arg1.printStackTrace();
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Log.i(TAG, "连接失败 ");
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doClientConnection();//连接失败，重连（可关闭服务器进行模拟）
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}
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};
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//订阅主题的回调
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private MqttCallback mqttCallback = new MqttCallback() {
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@Override
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public void messageArrived(String topic, MqttMessage message) throws Exception {
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Log.i(TAG, "收到消息： " + new String(message.getPayload()));
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//收到消息，这里弹出Toast表示。如果需要更新UI，可以使用广播或者EventBus进行发送
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Toast.makeText(getApplicationContext(), "messageArrived: " + new String(message.getPayload()), Toast.LENGTH_LONG).show();
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//收到其他客户端的消息后，响应给对方告知消息已到达或者消息有问题等
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String msg = new String(message.getPayload());
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EventBus.getDefault().post(MessageWrap.getInstance(msg));
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response("message arrived");
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}
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@Override
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public void deliveryComplete(IMqttDeliveryToken arg0) {
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}
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@Override
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public void connectionLost(Throwable arg0) {
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Log.i(TAG, "连接断开 ");
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doClientConnection();//连接断开，重连
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}
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};
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@Override
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public void onDestroy() {
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try {
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mqttAndroidClient.disconnect(); //断开连接
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} catch (MqttException e) {
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e.printStackTrace();
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}
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super.onDestroy();
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}
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} |