| # MQTT in curl |
| |
| ## Usage |
| |
| A plain "GET" subscribes to the topic and prints all published messages. |
| Doing a "POST" publishes the post data to the topic and exits. |
| |
| Example subscribe: |
| |
| curl mqtt://host/home/bedroom/temp |
| |
| Example publish: |
| |
| curl -d 75 mqtt://host/home/bedroom/dimmer |
| |
| ## What does curl deliver as a response to a subscribe |
| |
| It outputs two bytes topic length (MSB | LSB), the topic followed by the |
| payload. |
| |
| ## Caveats |
| |
| Remaining limitations: |
| - No username support |
| - Only QoS level 0 is implemented for publish |
| - No way to set retain flag for publish |
| - No username/password support |
| - No TLS (mqtts) support |
| - Naive EAGAIN handling won't handle split messages |
