140 lines
5.5 KiB
Java
140 lines
5.5 KiB
Java
package com.aros.apron.tools;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.net.ConnectivityManager;
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import android.net.Network;
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import android.net.NetworkCapabilities;
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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.Looper;
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import com.aros.apron.app.ApronApp;
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import com.aros.apron.callback.MqttActionCallBack;
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import com.aros.apron.callback.MqttCallBack;
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import com.aros.apron.constant.AMSConfig;
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import org.eclipse.paho.android.service.MqttAndroidClient;
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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 java.util.Random;
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public class MqttManager {
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public MqttAndroidClient mqttAndroidClient; //ltz change
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public MqttConnectOptions mMqttConnectOptions;
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String TAG = getClass().getSimpleName();
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private MqttManager() {
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}
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private static class MqttHolder {
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private static final MqttManager INSTANCE = new MqttManager();
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}
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public static MqttManager getInstance() {
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return MqttHolder.INSTANCE;
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}
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public void needConnect() {
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initMqttClientParams();
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}
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private void initMqttClientParams() {
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mqttAndroidClient = new MqttAndroidClient(ApronApp.Companion.getApplication(), AMSConfig.getInstance().getMqttServerUri(), generateRandomString(10));
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mMqttConnectOptions = new MqttConnectOptions();
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mMqttConnectOptions.setAutomaticReconnect(true); //ltz add
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mMqttConnectOptions.setMaxInflight(1000);// 增加最大并发未确认消息数量
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mMqttConnectOptions.setCleanSession(true); //设置是否清除缓存
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mMqttConnectOptions.setConnectionTimeout(30); //设置超时时间，单位：秒 ltz denote
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mMqttConnectOptions.setKeepAliveInterval(20); //设置心跳包发送间隔，单位：秒 ltz denote
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mMqttConnectOptions.setUserName(AMSConfig.getInstance().getUserName()); //设置用户名
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mMqttConnectOptions.setPassword(AMSConfig.getInstance().getPassword().toCharArray()); //设置密码
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mqttAndroidClient.setCallback(new MqttCallBack()); //设置监听订阅消息的回调
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doClientConnection();
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}
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private void doClientConnection() {
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if (mqttAndroidClient.isConnected()) {
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return;
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}
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// 先检查网络状态（仅用于日志和延迟策略，不阻塞连接尝试）
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boolean networkAvailable = isConnectIsNomarl();
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if (networkAvailable) {
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tryConnect();
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} else {
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// 网络检查未通过时，仍尝试连接（防止网络误判导致永久断连）
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LogUtil.log(TAG, "网络检查未通过，但仍尝试连接");
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tryConnect();
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}
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}
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private void tryConnect() {
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if (mqttAndroidClient.isConnected()) {
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return;
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}
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try {
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mqttAndroidClient.connect(mMqttConnectOptions, null, new MqttActionCallBack(mqttAndroidClient, mMqttConnectOptions));
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} catch (MqttException e) {
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LogUtil.log(TAG, "mqtt连接异常:" + e.toString());
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e.printStackTrace();
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}
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}
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private boolean isConnectIsNomarl() {
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ConnectivityManager connectivityManager = (ConnectivityManager) ApronApp.Companion.getApplication().getSystemService(Context.CONNECTIVITY_SERVICE);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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Network network = connectivityManager.getActiveNetwork();
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if (network != null) {
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NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(network);
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if (capabilities != null) {
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String transportInfo;
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if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
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transportInfo = "ETHERNET";
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} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
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transportInfo = "WIFI";
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} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
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transportInfo = "CELLULAR";
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} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)) {
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transportInfo = "VPN";
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} else {
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transportInfo = "OTHER";
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}
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LogUtil.log(TAG, "当前网络可用：" + transportInfo);
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return true;
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}
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}
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LogUtil.log(TAG, "没有可用Mqtt网络（API 23+）");
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return false;
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} else {
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@SuppressLint("MissingPermission") 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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LogUtil.log(TAG, "当前网络名称：" + name);
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return true;
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} else {
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LogUtil.log(TAG, "没有可用Mqtt网络");
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return false;
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}
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}
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}
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private String generateRandomString(int length) {
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String characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
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StringBuilder builder = new StringBuilder();
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Random random = new Random();
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for (int i = 0; i < length; i++) {
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int index = random.nextInt(characters.length());
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builder.append(characters.charAt(index));
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}
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return builder.toString();
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}
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}
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