Free and High Performance MQTT Broker

About

Golang MQTT Broker, Version 3.1.1, and Compatible for eclipse paho client and mosquitto-client

RUNNING

$ go get github.com/robertchildresscfa/hmq
$ cd $GOPATH/github.com/robertchildresscfa/hmq
$ go run main.go

Usage of hmq:

Usage: hmq [options]

Broker Options:
    -w,  --worker <number>            Worker num to process message, perfer (client num)/10. (default 1024)
    -p,  --port <port>                Use port for clients (default: 1883)
         --host <host>                Network host to listen on. (default "0.0.0.0")
    -ws, --wsport <port>              Use port for websocket monitoring
    -wsp,--wspath <path>              Use path for websocket monitoring
    -c,  --config <file>              Configuration file

Logging Options:
    -d, --debug <bool>                Enable debugging output (default false)
    -D                                Debug enabled

Cluster Options:
    -r,  --router  <rurl>             Router who maintenance cluster info
    -cp, --clusterport <cluster-port> Cluster listen port for others

Common Options:
    -h, --help                        Show this message

hmq.config

{
	"workerNum": 4096,
	"port": "1883",
	"host": "0.0.0.0",
	"cluster": {
		"host": "0.0.0.0",
		"port": "1993"
	},
	"router": "127.0.0.1:9888",
	"wsPort": "1888",
	"wsPath": "/ws",
	"wsTLS": true,
	"tlsPort": "8883",
	"tlsHost": "0.0.0.0",
	"tlsInfo": {
		"verify": true,
		"caFile": "tls/ca/cacert.pem",
		"certFile": "tls/server/cert.pem",
		"keyFile": "tls/server/key.pem"
	},
	"plugins": {
		"auth": "authhttp",
		"bridge": "kafka"
	}
}

Features and Future

• Supports QOS 0 and 1

• Cluster Support

• Containerization

• Supports retained messages

• Supports will messages

• Websocket Support

• TLS/SSL Support

• Auth Support

  • Auth Connect
  • Auth ACL
  • Cache Support

• Kafka Bridge Support

  • Action Deliver
  • Regexp Deliver

• HTTP API

  • Disconnect Connect (future more)

Share SUBSCRIBE

| Prefix              | Examples                                  | Publish                      |
| ------------------- |-------------------------------------------|--------------------------- --|
| $share/<group>/topic  | mosquitto_sub -t ‘$share/<group>/topic’ | mosquitto_pub -t ‘topic’     |

Cluster

 1, start router for hmq  (https://github.com/fhmq/router.git)
 	$ go get github.com/fhmq/router
 	$ cd $GOPATH/github.com/fhmq/router
 	$ go run main.go
 2, config router in hmq.config  ("router": "127.0.0.1:9888")
 

Other Version Of Cluster Based On gRPC: click here

Online/Offline Notification

 topic:
     $SYS/broker/connection/clients/<clientID>
 payload:
	{"clientID":"client001","online":true/false,"timestamp":"2018-10-25T09:32:32Z"}

Performance

• High throughput

• High concurrency

• Low memory and CPU

License

• Apache License Version 2.0

Reference

• Surgermq.(https://github.com/surgemq/surgemq)

Benchmark Tool

• https://github.com/inovex/mqtt-stresser
• https://github.com/krylovsk/mqtt-benchmark