https://github.com/devgianlu/go-coap-mqtt

A CoAP <-> MQTT gateway written in Go.
https://github.com/devgianlu/go-coap-mqtt

coap mqtt

Last synced: 6 days ago
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A CoAP <-> MQTT gateway written in Go.

• Host: GitHub
• URL: https://github.com/devgianlu/go-coap-mqtt
• Owner: devgianlu
• Created: 2023-06-09T18:58:23.000Z (over 1 year ago)
• Default Branch: master
• Last Pushed: 2023-06-09T21:48:08.000Z (over 1 year ago)
• Last Synced: 2024-11-13T09:39:31.589Z (2 months ago)
• Topics: coap, mqtt
• Language: Go
• Homepage:
• Size: 9.77 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# go-coap-mqtt

`go-coap-mqtt` is a CoAP <-> MQTT gateway written in Go.

Messages can be sent and received from both MQTT and CoAP. The following ways of exchanging messages are supported:

- Publishing an MQTT message to a particular topic

- Making a CoAP `POST /pub` request with a JSON body containing the topic and payload

- Subscribing to a particular MQTT topic

- Observing the CoAP `GET /sub/{topic}` endpoint

This project was developed as part of the university course

of [Telematica](https://corsi.unipr.it/it/ugov/degreecourse/191394).

## Testing

The `test` container has two CLI tools installed for interacting with the gateway and MQTT

broker: [mqtt](https://github.com/hivemq/mqtt-cli) and [coap-cli](https://github.com/mainflux/coap-cli).

You can get an interactive shell inside the container with `docker compose exec test bash`.

To make a CoAP request of the `/pub` endpoint use:

```shell

coap-cli post pub -h gateway -p 5688 -d '{"topic":"test","payload":"hello from coap"}' 

```

To make a CoAP request to the `/sub` endpoint use:

```shell

coap-cli get sub/test -h gateway -p 5688 -o

```

To publish an MQTT message use:

```shell

mqtt pub --host mqtt-broker --topic test -m "hello from mqtt"

```

To subscribe to MQTT messages use:

```shell

mqtt sub --host mqtt-broker --topic test

```