android/pipIrrApp.git

			@@ -1,10 +1,18 @@
			package com.dayu.pipirrapp.net;

			import android.content.Context;
			import android.net.ConnectivityManager;
			import android.content.pm.PackageInfo;
			import android.content.pm.PackageManager;
			import android.util.Log;

			import androidx.lifecycle.LifecycleOwner;
			import androidx.lifecycle.Observer;

			import com.dayu.pipirrapp.MyApplication;
			import com.dayu.pipirrapp.utils.CommonKeyName;
			import com.dayu.pipirrapp.utils.MyJsonParser;
			import com.dayu.pipirrapp.utils.MyLog;
			import com.dayu.pipirrapp.utils.NetUtils;
			import com.jeremyliao.liveeventbus.LiveEventBus;

			import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
			@@ -15,6 +23,8 @@
			import org.eclipse.paho.client.mqttv3.MqttMessage;
			import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;

			import java.util.HashMap;
			import java.util.UUID;
			import java.util.concurrent.ExecutorService;
			import java.util.concurrent.Executors;

			@@ -27,17 +37,28 @@
			*/
			public class MqttManager {

			private static final String MQTT_BROKER_URL = "tcp://115.236.153.170:30764"; // 修改为你的 broker 地址
			private static final String CLIENT_ID = "mqttx_54052fa0";
			// private static final String MQTT_BROKER_URL = "tcp://115.236.153.170:30764"; // 修改为你的 broker 地址
			private static final String MQTT_BROKER_URL = "tcp://192.168.10.52:1883";
			private String CLIENT_ID = "mqttx_a7a9fe73";
			private static final String TOPIC = "workOrder"; // 订阅的主题
			private ConnectivityManager connectivityManager;

			private MqttClient mqttClient;
			private MqttConnectOptions connectOptions;
			boolean isHasNet = false;
			boolean isHasNet = true;
			//是否连接成功过一次，没有的话联网后重连
			boolean isConnet = false;
			private final ExecutorService executorService = Executors.newSingleThreadExecutor();

			public MqttManager(Context context) {
			public MqttManager(Context context, LifecycleOwner lifecycleOwner) {
			try {
			PackageManager manager = context.getPackageManager();
			PackageInfo info = null;
			try {
			info = manager.getPackageInfo(context.getPackageName(), 0);
			} catch (PackageManager.NameNotFoundException e) {
			throw new RuntimeException(e);
			}
			CLIENT_ID = context.getPackageName() + UUID.randomUUID().toString().replace("-", "") + "_" + info;
			mqttClient = new MqttClient(MQTT_BROKER_URL, CLIENT_ID, new MemoryPersistence());
			connectOptions = new MqttConnectOptions();
			connectOptions.setUserName("mqtt_yjy");
			@@ -45,28 +66,52 @@
			connectOptions.setCleanSession(false);
			connectOptions.setKeepAliveInterval(60); // 设置保持连接的时间
			connectOptions.setAutomaticReconnect(true); // 启用自动重连
			connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
			// LiveEventBus.get(CommonKeyName.NetworkCallback).observeForever(new Observer<Object>() {
			// @Override
			// public void onChanged(Object o) {
			// switch ((int) o) {
			// case NetUtils.Available:
			// MyLog.i("MqttManager>>>Available");
			// isHasNet = true;
			// reconnect();
			// break;
			// case NetUtils.Lost:
			// MyLog.i("MqttManager>>>Lost");
			// isHasNet = false;
			// try {
			// mqttClient.disconnect();
			// } catch (MqttException e) {
			// e.printStackTrace();
			// }
			// break;
			// }
			// }
			// });
			connectOptions.setConnectionTimeout(30);// 设置连接超时时间，单位为秒
			mqttClient.setCallback(new MqttCallback() {
			@Override
			public void connectionLost(Throwable cause) {
			Log.d("MqttManager", "连接丢失：" + cause.getMessage());
			// 处理连接丢失，可以尝试重新连接
			reconnect();
			}

			@Override
			public void messageArrived(String topic, MqttMessage message) throws Exception {
			Log.d("MqttManager", "messageArrived收到的消:" + new String(message.getPayload()));
			// 处理收到的消息
			}

			@Override
			public void deliveryComplete(IMqttDeliveryToken token) {
			// 处理消息发送完成
			try {
			Log.d("MqttManager", "发送完成：" + new String(token.getMessage().toString()));
			} catch (MqttException e) {
			e.printStackTrace();
			}
			}
			});
			LiveEventBus.get(CommonKeyName.NetworkCallback).observe(lifecycleOwner, new Observer<Object>() {
			@Override
			public void onChanged(Object o) {
			if (o instanceof Integer) {
			switch ((int) o) {
			case NetUtils.Available:
			MyLog.i("MqttManager>>>Available");
			isHasNet = true;
			if (!isConnet) {
			reconnect();
			}
			break;
			case NetUtils.Lost:
			MyLog.i("MqttManager>>>Lost");
			isHasNet = false;
			// disconnect();
			break;
			}
			}
			}
			});
			} catch (MqttException e) {
			e.printStackTrace();
			}
			@@ -74,16 +119,19 @@

			// 连接到 MQTT broker
			public void connect() {
			ExecutorService executorService = Executors.newSingleThreadExecutor();
			executorService.execute(new Runnable() {
			@Override
			public void run() {
			try {
			Log.d("MqttManager", "connect开始连接isHasNet:" + isHasNet);
			if (isHasNet) {
			Log.d("MqttManager", "connect开始连接");
			mqttClient.connect(connectOptions);
			if (mqttClient.isConnected()) {
			Log.d("MqttManager", "Connected to MQTT broker");
			Log.d("MqttManager", "connect连接成功");
			subscribeToTopic();
			} else {
			Log.d("MqttManager", "connect连接失败");
			}
			} else {
			reconnect();
			@@ -100,36 +148,18 @@
			// 订阅主题
			private void subscribeToTopic() {
			try {
			isConnet = true;
			mqttClient.subscribe(TOPIC, (topic, message) -> {
			// 收到消息时的处理逻辑
			Log.d("MqttManager", "Received message:" + new String(message.getPayload()));
			// 在子线程收到消息时的处理逻辑
			Log.d("MqttManager", "subscribe收到消息：" + new String(message.getPayload()));
			//传递MQ收到的信息
			LiveEventBus.get(CommonKeyName.locationData).post(message.getPayload());
			});
			mqttClient.setCallback(new MqttCallback() {
			@Override
			public void connectionLost(Throwable cause) {
			Log.d("MqttManager", "connectionLost" + cause.getMessage());
			reconnect();
			// 处理连接丢失，可以尝试重新连接
			}

			@Override
			public void messageArrived(String topic, MqttMessage message) throws Exception {
			Log.d("MqttManager", "Received messageArrived:" + new String(message.getPayload()));
			// 处理收到的消息
			}

			@Override
			public void deliveryComplete(IMqttDeliveryToken token) {
			// 处理消息发送完成
			try {
			Log.d("MqttManager", "deliveryComplete：" + new String(token.getMessage().toString()));
			} catch (MqttException e) {
			e.printStackTrace();
			}
			HashMap<String, Object> data = MyJsonParser.getMapFromJson(new String(message.getPayload()));
			//判断是否是当前用户
			if (data.get("inspectorId").equals(MyApplication.myApplication.userId)) {
			LiveEventBus.get(CommonKeyName.MQTTData).post(data.get("workOrderId"));
			}
			});

			} catch (MqttException e) {
			e.printStackTrace();
			}
			@@ -147,44 +177,44 @@

			// 断开连接
			public void disconnect() {
			MyLog.d("MqttManager>>>>关闭连接");
			try {
			if (mqttClient != null && mqttClient.isConnected()) {
			mqttClient.disconnect();
			System.out.println("Disconnected from MQTT broker");
			MyLog.d("MqttManager>>>>关闭连接成功");
			}
			} catch (MqttException e) {
			e.printStackTrace();
			} finally {
			executorService.shutdown();
			}
			}

			// 自动重连方法
			private void reconnect() {
			try {
			if (isHasNet) {
			while (!mqttClient.isConnected() && isHasNet) {
			Log.d("MqttManager", "Attempting to reconnect...");
			mqttClient.connect(connectOptions); // 重试连接
			executorService.execute(() -> {
			int reconnectAttempts = 0;
			while (!mqttClient.isConnected() && isHasNet) {
			try {
			MyLog.d("MqttManager>>>>开始重连");
			mqttClient.connect(connectOptions);
			if (mqttClient.isConnected()) {
			Log.d("MqttManager", "Connected to MQTT broker");
			MyLog.d("MqttManager>>>连接成功");
			subscribeToTopic();
			break;
			}
			Thread.sleep(5000); // 每 5 秒重试一次
			// 指数退避
			long backoff = Math.min((1L << reconnectAttempts) * 1000, 30000);
			Thread.sleep(backoff);
			reconnectAttempts++;
			} catch (MqttException e) {
			MyLog.e("MqttManager>>>Reconnection failed" + e.getMessage());
			// 可以在这里增加重连尝试次数的限制
			} catch (InterruptedException e) {
			Thread.currentThread().interrupt(); // 保留中断状态
			return;
			}
			Log.d("MqttManager", "Reconnected to MQTT broker! isHasNet=true");
			} else {
			Log.d("MqttManager", "isHasNet is false");
			// Thread.sleep(5000);
			// reconnect();
			}

			} catch (MqttException \| InterruptedException e) {
			// try {
			// Thread.sleep(5000);
			// } catch (InterruptedException ex) {
			// e.printStackTrace();
			// }// 每 5 秒重试一次
			// reconnect();

			}
			});
			}
			}