mica-mqtt-spring-boot-starter 使用文档

<dependency>
    <groupId>net.dreamlu</groupId>
    <artifactId>mica-mqtt-spring-boot-starter</artifactId>
    <version>${最新版本}</version>
</dependency>

mqtt:
  server:
    enabled: true               # 是否开启服务端，默认：true
#    ip: 0.0.0.0                 # 服务端 ip 默认为空，0.0.0.0
    port: 5883                  # 端口，默认：1883
    name: Mica-Mqtt-Server      # 名称，默认：Mica-Mqtt-Server
    buffer-allocator: HEAP      # 堆内存和堆外内存，默认：堆内存
    heartbeat-timeout: 120000   # 心跳超时，单位毫秒，默认: 1000 * 120
    read-buffer-size: 8092      # 接收数据的 buffer size，默认：8092
    max-bytes-in-message: 8092  # 消息解析最大 bytes 长度，默认：8092
    debug: true                 # 如果开启 prometheus 指标收集建议关闭
    web-port: 8083              # http、websocket 端口，默认：8083
    websocket-enable: true      # 是否开启 websocket，默认： true
    http-enable: false          # 是否开启 http api，默认： false
    http-basic-auth:
      enable: false             # 是否开启 http basic auth，默认： false
      username: "mica"          # http basic auth 用户名
      password: "mica"          # http basic auth 密码

@Service
public class MqttServerMessageListener implements IMqttMessageListener {
    private static final Logger logger = LoggerFactory.getLogger(MqttServerMessageListener.class);

    @Override
    public void onMessage(String clientId, String topic, MqttQoS mqttQoS, ByteBuffer byteBuffer) {
        logger.info("clientId:{} topic:{} mqttQoS:{} message:{}", clientId, topic, mqttQoS, ByteBufferUtil.toString(byteBuffer));
    }
}

@Configuration(proxyBeanMethods = false)
public class MqttServerCustomizerConfiguration {

	@Bean
	public MqttServerCustomizer mqttServerCustomizer() {
		return new MqttServerCustomizer() {
			@Override
			public void customize(MqttServerCreator creator) {
				// 此处可自定义配置 creator，会覆盖 yml 中的配置
				System.out.println("----------------MqttServerCustomizer-----------------");
			}
		};
	}

}

import net.dreamlu.iot.mqtt.codec.MqttQoS;
import net.dreamlu.iot.mqtt.spring.server.MqttServerTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.nio.ByteBuffer;

/**
 * @author wsq
 */
@Service
public class ServerService {
    @Autowired
    private MqttServerTemplate server;

    public boolean publish(String body) {
        server.publishAll("/test/123", ByteBuffer.wrap(body.getBytes()));
        return true;
    }
}

<!-- 开启 prometheus 指标收集 -->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
</dependency>

mqtt:
  client:
    enabled: true               # 是否开启客户端，默认：false
    ip: 127.0.0.1               # 连接的服务端 ip ，默认：127.0.0.1
    port: 3883                  # 端口：默认：1883
    name: Mica-Mqtt-Client      # 名称，默认：Mica-Mqtt-Client
    clientId: 000001            # 客户端Id（非常重要，一般为设备 sn，不可重复）
    user-name: mica             # 认证的用户名
    password: 123456            # 认证的密码
    timeout: 5                  # 连接超时时间，单位：秒，默认：5秒
    reconnect: true             # 是否重连，默认：true
    re-interval: 5000           # 重连时间，默认 5000 毫秒
    version: MQTT_5             # mqtt 协议版本，默认：3.1.1
    read-buffer-size: 8092      # 接收数据的 buffer size，默认：8092
    max-bytes-in-message: 8092  # 消息解析最大 bytes 长度，默认：8092
    buffer-allocator: heap      # 堆内存和堆外内存，默认：堆内存
    keep-alive-secs: 60         # keep-alive 心跳维持时间，单位：秒
    clean-session: true         # mqtt clean session，默认：true

@Configuration(proxyBeanMethods = false)
public class MqttClientCustomizerConfiguration {

	@Bean
	public MqttClientCustomizer mqttClientCustomizer() {
		return new MqttClientCustomizer() {
			@Override
			public void customize(MqttClientCreator creator) {
				// 此处可自定义配置 creator，会覆盖 yml 中的配置
				System.out.println("----------------MqttServerCustomizer-----------------");
			}
		};
	}

}

@Service
public class MqttClientSubscribeListener {
	private static final Logger logger = LoggerFactory.getLogger(MqttClientSubscribeListener.class);

	@MqttClientSubscribe("/test/#")
	public void subQos0(String topic, ByteBuffer payload) {
		logger.info("topic:{} payload:{}", topic, ByteBufferUtil.toString(payload));
	}

	@MqttClientSubscribe(value = "/qos1/#", qos = MqttQoS.AT_LEAST_ONCE)
	public void subQos1(String topic, ByteBuffer payload) {
		logger.info("topic:{} payload:{}", topic, ByteBufferUtil.toString(payload));
	}

}

import net.dreamlu.iot.mqtt.codec.ByteBufferUtil;
import net.dreamlu.iot.mqtt.spring.client.MqttClientTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;

/**
 * @author wsq
 */
@Service
public class MainService {
    private static final Logger logger = LoggerFactory.getLogger(MainService.class);
    @Autowired
    private MqttClientTemplate client;

    public boolean publish() {
        client.publish("/test/client", ByteBuffer.wrap("mica最牛皮".getBytes(StandardCharsets.UTF_8)));
        return true;
    }

    public boolean sub() {
        client.subQos0("/test/#", (topic, payload) -> {
            logger.info(topic + '\t' + ByteBufferUtil.toString(payload));
        });
        return true;
    }

}