# 🌐 Dromara mica mqtt [](https://github.com/dromara/mica-mqtt/actions)  [](https://central.sonatype.com/artifact/org.dromara.mica-mqtt/mica-mqtt-codec/versions) [](https://github.com/dromara/mica-mqtt/blob/master/LICENSE) [](https://gitcode.com/dromara/mica-mqtt) [](https://gitee.com/dromara/mica-mqtt/stargazers) [](https://github.com/dromara/mica-mqtt) --- 📖English | [📖简体中文](README.md) Dromara `mica-mqtt` is a **low-latency** and **high-performance** `mqtt` Internet of Things component. For more usage details, please refer to the **mica-mqtt-example** module. ## 🍱 Use Cases - Internet of Things (cloud-based MQTT broker) - Internet of Things (edge messaging communication) - Group IM - Message push - Easy-to-use MQTT client ## 🚀 Advantages - Ordinary yet not monotonous, simple yet not lackluster. - Manual transmission (more conducive to secondary development or expansion). - A newborn calf; infinite possibilities. ## ✨ Features - [x] Support for MQTT v3.1, v3.1.1, and v5.0 protocols. - [x] Support for WebSocket MQTT sub-protocol (compatible with mqtt.js). - [x] Support for HTTP REST API, see [HTTP API Documentation](docs/http-api.md) for details. - [x] Support for MQTT client, support Android native. - [x] Support for MQTT server, support Android native. - [x] Support for MQTT Will messages. - [x] Support for MQTT Retained messages. - [x] Support for custom message (MQ) processing and forwarding to achieve clustering. - [x] MQTT client **Alibaba Cloud MQTT**、**HuaWei MQTT** connection demo. - [x] Support for GraalVM compilation into native executable programs. - [x] Support for rapid access to Spring Boot、Solon and JFinal projects. - [x] Spring boot and Solon client plugins support session retention. - [x] Support for integration with Prometheus + Grafana for monitoring. - [x] Cluster implementation based on Redis pub/sub, see [mica-mqtt-broker module](mica-mqtt-broker) for details. ## 🌱 To-do - [ ] Optimize the handling of MQTT server sessions and simplify the use of MQTT v5.0. - [ ] Implement rule engine based on easy-rule + druid sql parsing. ## 🚨 Default Ports | Port | Protocol | Description | | ---- | --------------- | -------------------------------- | | 1883 | tcp | MQTT TCP port | | 8083 | http, websocket | HTTP API and WebSocket MQTT port | **Demo Address**: mqtt.dreamlu.net, same ports,username: mica password: mica ## 📦️ Dependencies ### Spring Boot Project **Client:** ```xml <dependency> <groupId>org.dromara.mica-mqtt</groupId> <artifactId>mica-mqtt-client-spring-boot-starter</artifactId> <version>${mica-mqtt.version}</version> </dependency> ``` **Configuration Details**: [mica-mqtt-client-spring-boot-starter Documentation](starter/mica-mqtt-client-spring-boot-starter/README.md) **Server:** ```xml <dependency> <groupId>org.dromara.mica-mqtt</groupId> <artifactId>mica-mqtt-server-spring-boot-starter</artifactId> <version>${mica-mqtt.version}</version> </dependency> ``` **Configuration Details**: [mica-mqtt-server-spring-boot-starter Documentation](starter/mica-mqtt-server-spring-boot-starter/README.md) ### Non-Spring Boot Project **Client:** ```xml <dependency> <groupId>org.dromara.mica-mqtt</groupId> <artifactId>mica-mqtt-client</artifactId> <version>${mica-mqtt.version}</version> </dependency> ``` **Configuration Details**: [mica-mqtt-client Documentation](mica-mqtt-client/README.md) **Server:** ```xml <dependency> <groupId>org.dromara.mica-mqtt</groupId> <artifactId>mica-mqtt-server</artifactId> <version>${mica-mqtt.version}</version> </dependency> ``` **Configuration Details**: [mica-mqtt-server Documentation](mica-mqtt-server/README.md) ## 📝 Documentation - [Introduction to MQTT, mqttx, and mica-mqtt **Video**](https://www.bilibili.com/video/BV1wv4y1F7Av/) - [Getting Started with mica-mqtt](example/README.md) - [mica-mqtt HTTP API Documentation](docs/http-api.md) - [Frequently Asked Questions about mica-mqtt Usage](https://gitee.com/596392912/mica-mqtt/issues/I45GO7) - [mica-mqtt Release Versions](CHANGELOG.md) ## 🏗️ MQTT Client Tools - [Mqttx: An Elegant Cross-platform MQTT 5.0 Client Tool](https://mqttx.app) ## 🍻 Open Source Recommendations - `Avue`: A Vue-based configurable front-end framework: [https://gitcode.com/superwei/avue](https://gitcode.com/superwei/avue) - `Pig`: Microservice framework featured on CCTV (architectural essential): [https://gitcode.com/pig-mesh/pig](https://gitcode.com/pig-mesh/pig) - `SpringBlade`: Enterprise-level solution (essential for enterprise development): [https://gitcode.com/bladex/SpringBlade](https://gitcode.com/bladex/SpringBlade) ## 📱 WeChat  **JAVA Architecture Diary**, daily recommended exciting content!