| | |
| | | package com.dji.sample.component.mqtt.service.impl; |
| | | |
| | | import com.dji.sample.amap.model.ReceiverData; |
| | | import com.dji.sample.component.mqtt.model.*; |
| | | import com.dji.sample.component.mqtt.service.IMessageSenderService; |
| | | import com.dji.sample.component.mqtt.service.IMqttMessageGateway; |
| | | import com.dji.sample.component.rabbitmq.config.MqttMsgProxyProducer; |
| | | import com.fasterxml.jackson.core.JsonProcessingException; |
| | | import com.fasterxml.jackson.core.type.TypeReference; |
| | | import com.fasterxml.jackson.databind.ObjectMapper; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | import org.springframework.beans.TypeMismatchException; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.beans.factory.annotation.Value; |
| | | import org.springframework.stereotype.Service; |
| | | import org.springframework.util.StringUtils; |
| | | |
| | |
| | | @Autowired |
| | | private ObjectMapper mapper; |
| | | |
| | | @Value("${spring.rabbitmq.is-open}") |
| | | private Boolean sendRabbitMQ; |
| | | |
| | | @Autowired |
| | | private MqttMsgProxyProducer mqttMsgProxyProducer; |
| | | |
| | | public void publish(String topic, CommonTopicResponse response) { |
| | | this.publish(topic, 1, response); |
| | | } |
| | | public void sendRabbitMQ(String topic, Object data) { |
| | | try { |
| | | if (sendRabbitMQ) { |
| | | sendRabbitMQ(topic.replace("/", ".") + ".response", mapper.writeValueAsBytes(data)); |
| | | } |
| | | } catch (Exception e) { |
| | | log.error("消息发送失败2:", e); |
| | | } |
| | | } |
| | | |
| | | private void sendRabbitMQ(String topic, byte[] bytes) { |
| | | //发送操作消息至mqtt同时发送到rabbitMQ |
| | | try { |
| | | if (sendRabbitMQ) { |
| | | mqttMsgProxyProducer.publish(topic, bytes); |
| | | } |
| | | } catch (Exception e) { |
| | | log.error("消息发送失败:", e); |
| | | } |
| | | } |
| | | |
| | | public void publish(String topic, int qos, CommonTopicResponse response) { |
| | | try { |
| | | log.info("send topic: {}, payload: {}", topic, response.toString()); |
| | | messageGateway.publish(topic, mapper.writeValueAsBytes(response), qos); |
| | | byte[] bytes = mapper.writeValueAsBytes(response); |
| | | sendRabbitMQ(topic, bytes); |
| | | messageGateway.publish(topic, bytes, qos); |
| | | } catch (JsonProcessingException e) { |
| | | log.info("Failed to publish the message. {}", response.toString()); |
| | | e.printStackTrace(); |
| | |
| | | |
| | | public <T> T publishWithReply(Class<T> clazz, String topic, CommonTopicResponse response, int retryTime) { |
| | | AtomicInteger time = new AtomicInteger(0); |
| | | ReceiverData receiverData = new ReceiverData(); |
| | | receiverData.setTid(response.getTid()); |
| | | receiverData.setBid(response.getBid()); |
| | | // Retry three times |
| | | while (time.getAndIncrement() <= retryTime) { |
| | | this.publish(topic, response); |
| | |
| | | // Need to match tid and bid. |
| | | if (Objects.nonNull(receiver) && receiver.getTid().equals(response.getTid()) && |
| | | receiver.getBid().equals(response.getBid())) { |
| | | receiverData.setReceiver(receiver.getData()); |
| | | if (clazz.isAssignableFrom(receiver.getData().getClass())) { |
| | | // sendRabbitMQ(topic, receiverData); 设备会单独发一条操作响应消息 |
| | | return receiver.getData(); |
| | | } |
| | | receiverData.setError("类型转换异常:" + clazz.getTypeName()); |
| | | sendRabbitMQ(topic, receiverData); |
| | | throw new TypeMismatchException(receiver.getData(), clazz); |
| | | } |
| | | // It must be guaranteed that the tid and bid of each message are different. |
| | | response.setBid(UUID.randomUUID().toString()); |
| | | response.setTid(UUID.randomUUID().toString()); |
| | | } |
| | | throw new RuntimeException("No message reply received."); |
| | | receiverData.setError("没有收到消息回复"); |
| | | sendRabbitMQ(topic, receiverData); |
| | | throw new RuntimeException("没有收到消息回复。"); |
| | | } |
| | | |
| | | @Override |
| | |
| | | return this.publishServicesTopic(null, sn, method, data, null); |
| | | } |
| | | |
| | | @Override |
| | | public <T> ServiceReply<T> publishRequestsTopic(TypeReference<T> clazz, String sn, String method, Object data, String bid) { |
| | | String topic = TopicConst.THING_MODEL_PRE + TopicConst.PRODUCT + sn + TopicConst.REQUESTS_SUF; |
| | | ServiceReply reply = this.publishWithReply(ServiceReply.class, topic, |
| | | CommonTopicResponse.builder() |
| | | .tid(UUID.randomUUID().toString()) |
| | | .bid(StringUtils.hasText(bid) ? bid : UUID.randomUUID().toString()) |
| | | .timestamp(System.currentTimeMillis()) |
| | | .gateway(sn) |
| | | .method(method) |
| | | .data(Objects.requireNonNullElse(data, "")) |
| | | .build()); |
| | | if (Objects.isNull(clazz)) { |
| | | return reply; |
| | | } |
| | | // put together in "output" |
| | | if (Objects.nonNull(reply.getInfo())) { |
| | | reply.setOutput(mapper.convertValue(reply.getInfo(), clazz)); |
| | | } |
| | | if (Objects.nonNull(reply.getOutput())) { |
| | | reply.setOutput(mapper.convertValue(reply.getOutput(), clazz)); |
| | | } |
| | | return reply; |
| | | } |
| | | |
| | | @Override |
| | | public ServiceReply publishRequestsTopic(String sn, String method, Object data, String bid) { |
| | | return this.publishRequestsTopic(null, sn, method, data, bid); |
| | | } |
| | | |
| | | @Override |
| | | public ServiceReply publishRequestsTopic(String sn, String method, Object data) { |
| | | return this.publishRequestsTopic(null, sn, method, data, null); |
| | | } |
| | | |
| | | } |