【功能完善】IoT: 删除不再使用的 MQTT RPC 相关配置和实现，包括 MqttConfig、RpcServer、RpcClient 和 RpcController 类，优化代码结构以清理未使用的组件。

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/mqttrpc/config/MqttConfig.java

@@ -1,40 +0,0 @@
-package cn.iocoder.yudao.module.iot.mqttrpc.config;
-
-import lombok.Data;
-import org.springframework.boot.context.properties.ConfigurationProperties;
-import org.springframework.context.annotation.Configuration;
-
-@Data
-@Configuration
-@ConfigurationProperties(prefix = "mqtt")
-public class MqttConfig {
-    /**
-     * MQTT 代理地址    
-     */
-    private String broker;
-
-    /**
-     * MQTT 用户名
-     */
-    private String username;
-
-    /**
-     * MQTT 密码
-     */
-    private String password;
-
-    /**
-     * MQTT 客户端 ID
-     */
-    private String clientId;
-
-    /**
-     * MQTT 请求主题
-     */
-    private String requestTopic;
-
-    /**
-     * MQTT 响应主题前缀
-     */
-    private String responseTopicPrefix;
-}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/mqttrpc/server/RpcServer.java

@@ -1,100 +0,0 @@
-package cn.iocoder.yudao.module.iot.mqttrpc.server;
-
-import cn.hutool.core.lang.UUID;
-import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcRequest;
-import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcResponse;
-import cn.iocoder.yudao.module.iot.mqttrpc.common.SerializationUtils;
-import cn.iocoder.yudao.module.iot.mqttrpc.config.MqttConfig;
-import lombok.extern.slf4j.Slf4j;
-import org.eclipse.paho.client.mqttv3.*;
-import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
-import org.springframework.stereotype.Service;
-
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
-import java.util.HashMap;
-import java.util.Map;
-
-// TODO @芋艿：server 逻辑，再瞅瞅；
-// TODO @haohao：如果只写在 iot biz 里，那么后续 server => client 貌似不方便？微信再讨论下~；
-@Service
-@Slf4j
-public class RpcServer {
-
-    private final MqttConfig mqttConfig;
-    private final MqttClient mqttClient;
-    private final Map<String, MethodInvoker> methodRegistry = new HashMap<>();
-
-    public RpcServer(MqttConfig mqttConfig) throws MqttException {
-        this.mqttConfig = mqttConfig;
-        this.mqttClient = new MqttClient(mqttConfig.getBroker(), "rpc-server-" + UUID.randomUUID(), new MemoryPersistence());
-        MqttConnectOptions options = new MqttConnectOptions();
-        options.setAutomaticReconnect(true);
-        options.setCleanSession(true);
-        options.setUserName(mqttConfig.getUsername());
-        options.setPassword(mqttConfig.getPassword().toCharArray());
-        this.mqttClient.connect(options);
-    }
-
-    @PostConstruct
-    public void init() throws MqttException {
-        mqttClient.subscribe(mqttConfig.getRequestTopic(), this::handleRequest);
-        log.info("RPC Server subscribed to topic: {}", mqttConfig.getRequestTopic());
-    }
-
-    private void handleRequest(String topic, MqttMessage message) {
-        RpcRequest request = SerializationUtils.deserialize(new String(message.getPayload()), RpcRequest.class);
-        RpcResponse response = new RpcResponse();
-        response.setCorrelationId(request.getCorrelationId());
-
-        try {
-            MethodInvoker invoker = methodRegistry.get(request.getMethod());
-            if (invoker == null) {
-                throw new NoSuchMethodException("Unknown method: " + request.getMethod());
-            }
-            Object result = invoker.invoke(request.getParams());
-            response.setResult(result);
-        } catch (Exception e) {
-            response.setError(e.getMessage());
-            log.error("Error processing RPC request: {}", e.getMessage(), e);
-        }
-
-        String replyPayload = SerializationUtils.serialize(response);
-        MqttMessage replyMessage = new MqttMessage(replyPayload.getBytes());
-        replyMessage.setQos(1);
-        try {
-            mqttClient.publish(request.getReplyTo(), replyMessage);
-            log.info("Published response to {}", request.getReplyTo());
-        } catch (MqttException e) {
-            log.error("Failed to publish response: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * 注册可调用的方法
-     *
-     * @param methodName 方法名称
-     * @param invoker    方法调用器
-     */
-    public void registerMethod(String methodName, MethodInvoker invoker) {
-        methodRegistry.put(methodName, invoker);
-        log.info("Registered method: {}", methodName);
-    }
-
-    @PreDestroy
-    public void cleanup() throws MqttException {
-        mqttClient.disconnect();
-        log.info("RPC Server disconnected");
-    }
-
-    /**
-     * 方法调用器接口
-     */
-    @FunctionalInterface
-    public interface MethodInvoker {
-
-        Object invoke(Object[] params) throws Exception;
-
-    }
-
-}

yudao-module-iot/yudao-module-iot-plugin/yudao-module-iot-http-plugin/src/main/java/cn/iocoder/yudao/module/iot/controller/RpcController.java

@@ -1,38 +0,0 @@
-
-package cn.iocoder.yudao.module.iot.controller;
-
-import cn.iocoder.yudao.module.iot.mqttrpc.client.RpcClient;
-import lombok.RequiredArgsConstructor;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
-
-import javax.annotation.Resource;
-import java.util.concurrent.CompletableFuture;
-
-// TODO 芋艿：后续 review 下
-/**
- * 插件实例 RPC 接口
- *
- * @author 芋道源码
- */
-@RestController
-@RequestMapping("/rpc")
-@RequiredArgsConstructor
-public class RpcController {
-
-    @Resource
-    private RpcClient rpcClient;
-
-    @PostMapping("/add")
-    public CompletableFuture<Object> add(@RequestParam int a, @RequestParam int b) throws Exception {
-        return rpcClient.call("add", new Object[]{a, b}, 10);
-    }
-
-    @PostMapping("/concat")
-    public CompletableFuture<Object> concat(@RequestParam String str1, @RequestParam String str2) throws Exception {
-        return rpcClient.call("concat", new Object[]{str1, str2}, 10);
-    }
-
-}

yudao-module-iot/yudao-module-iot-plugin/yudao-module-iot-http-plugin/src/main/java/cn/iocoder/yudao/module/iot/mqttrpc/client/RpcClient.java

@@ -1,93 +0,0 @@
-package cn.iocoder.yudao.module.iot.mqttrpc.client;
-
-import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcRequest;
-import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcResponse;
-import cn.iocoder.yudao.module.iot.mqttrpc.common.SerializationUtils;
-import cn.iocoder.yudao.module.iot.mqttrpc.config.MqttConfig;
-import lombok.extern.slf4j.Slf4j;
-import org.eclipse.paho.client.mqttv3.MqttClient;
-import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
-import org.eclipse.paho.client.mqttv3.MqttException;
-import org.eclipse.paho.client.mqttv3.MqttMessage;
-import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
-import org.springframework.stereotype.Service;
-
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
-import java.util.UUID;
-import java.util.concurrent.*;
-
-// TODO @芋艿：需要考虑，怎么公用！
-@Service
-@Slf4j
-public class RpcClient {
-
-    private final MqttConfig mqttConfig;
-    private final MqttClient mqttClient;
-    private final ConcurrentMap<String, CompletableFuture<RpcResponse>> pendingRequests = new ConcurrentHashMap<>();
-    private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
-
-    public RpcClient(MqttConfig mqttConfig) throws MqttException {
-        this.mqttConfig = mqttConfig;
-        this.mqttClient = new MqttClient(mqttConfig.getBroker(), mqttConfig.getClientId(), new MemoryPersistence());
-        MqttConnectOptions options = new MqttConnectOptions();
-        options.setAutomaticReconnect(true);
-        options.setCleanSession(true);
-        options.setUserName(mqttConfig.getUsername());
-        options.setPassword(mqttConfig.getPassword().toCharArray());
-        this.mqttClient.connect(options);
-    }
-
-    @PostConstruct
-    public void init() throws MqttException {
-        mqttClient.subscribe(mqttConfig.getResponseTopicPrefix() + "#", this::handleResponse);
-        log.info("RPC Client subscribed to topics: {}", mqttConfig.getResponseTopicPrefix() + "#");
-    }
-
-    private void handleResponse(String topic, MqttMessage message) {
-        String correlationId = topic.substring(mqttConfig.getResponseTopicPrefix().length());
-        RpcResponse response = SerializationUtils.deserialize(new String(message.getPayload()), RpcResponse.class);
-        CompletableFuture<RpcResponse> future = pendingRequests.remove(correlationId);
-        if (future != null) {
-            if (response.getError() != null) {
-                future.completeExceptionally(new RuntimeException(response.getError()));
-            } else {
-                future.complete(response);
-            }
-        } else {
-            log.warn("Received response for unknown correlationId: {}", correlationId);
-        }
-    }
-
-    public CompletableFuture<Object> call(String method, Object[] params, int timeoutSeconds) throws MqttException {
-        String correlationId = UUID.randomUUID().toString();
-        String replyTo = mqttConfig.getResponseTopicPrefix() + correlationId;
-
-        RpcRequest request = new RpcRequest(method, params, correlationId, replyTo);
-        String payload = SerializationUtils.serialize(request);
-        MqttMessage message = new MqttMessage(payload.getBytes());
-        message.setQos(1);
-        mqttClient.publish(mqttConfig.getRequestTopic(), message);
-
-        CompletableFuture<RpcResponse> futureResponse = new CompletableFuture<>();
-        pendingRequests.put(correlationId, futureResponse);
-
-        // 设置超时
-        scheduler.schedule(() -> {
-            CompletableFuture<RpcResponse> removed = pendingRequests.remove(correlationId);
-            if (removed != null) {
-                removed.completeExceptionally(new TimeoutException("RPC call timed out"));
-            }
-        }, timeoutSeconds, TimeUnit.SECONDS);
-
-        // 返回最终的结果
-        return futureResponse.thenApply(RpcResponse::getResult);
-    }
-
-    @PreDestroy
-    public void cleanup() throws MqttException {
-        mqttClient.disconnect();
-        scheduler.shutdown();
-        log.info("RPC Client disconnected");
-    }
-}

yudao-module-iot/yudao-module-iot-plugin/yudao-module-iot-http-plugin/src/main/java/cn/iocoder/yudao/module/iot/mqttrpc/config/MqttConfig.java

@@ -1,41 +0,0 @@
-package cn.iocoder.yudao.module.iot.mqttrpc.config;
-
-import lombok.Data;
-import org.springframework.boot.context.properties.ConfigurationProperties;
-import org.springframework.context.annotation.Configuration;
-
-@Data
-@Configuration
-@ConfigurationProperties(prefix = "mqtt")
-public class MqttConfig {
-
-    /**
-     * MQTT 代理地址    
-     */
-    private String broker;
-
-    /**
-     * MQTT 用户名
-     */
-    private String username;
-
-    /**
-     * MQTT 密码
-     */
-    private String password;
-
-    /**
-     * MQTT 客户端 ID
-     */
-    private String clientId;
-
-    /**
-     * MQTT 请求主题
-     */
-    private String requestTopic;
-
-    /**
-     * MQTT 响应主题前缀
-     */
-    private String responseTopicPrefix;
-}