https://github.com/jcosentino11/mqtt-client

A simple MQTT Client, written in C++
https://github.com/jcosentino11/mqtt-client

cpp mqtt-client

Last synced: about 5 hours ago
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A simple MQTT Client, written in C++

• Host: GitHub
• URL: https://github.com/jcosentino11/mqtt-client
• Owner: jcosentino11
• License: apache-2.0
• Created: 2024-05-30T06:13:50.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-06-07T18:33:37.000Z (5 months ago)
• Last Synced: 2024-06-08T08:27:29.894Z (5 months ago)
• Topics: cpp, mqtt-client
• Language: C++
• Homepage: https://josephcosentino.me/posts/mqtt-client/
• Size: 53.7 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# MQTT Client

Bare-bones MQTT CLI for Mac and Linux. 

This project is a personal learning exercise, for diving into MQTT internals and network programming. You can read more about my experience [on my website](https://josephcosentino.me/posts/mqtt-client/).

## Publish to a topic

```

mqtt pub -t hello/topic -a localhost:1883 -c clientId '{"hello": "world"}'

```

```

Usage: mqtt pub [-v] -t  -a 
 -c  

Options:

  -t, --topic            Specify the topic to publish to (required)

  -a, --address 
       [:] address to connect to (required)

  -c, --client-id    Client identifier

  -v, --verbose                 Enable verbose output

  -h, --help                    Show this help message

```


## Subscribe to a topic

```

mqtt sub -t hello/topic -a localhost:1883 -c clientId

```

```

Usage: mqtt sub [-v] -t  -a 
 -c 

Options:

  -t, --topic            Specify the topic to publish to (required)

  -a, --address 
       [:] address to connect to (required)

  -c, --client-id    Client identifier

  -v, --verbose                 Enable verbose output

  -h, --help                    Show this help message

```


## Features

|                         | Supported | Planned |

|-------------------------|-----------|---------|

| MQTT3                   | x         |         |

| MQTT5                   |           | x       |

| QOS0                    | x         |         |

| QOS1                    | x         |         |

| QOS2                    |           | x       |

| PUBLISH                 | x         |         |

| SUBSCRIBE               | x         |         |

| Various CONNECT options |           | x       |

| SSL                     |           | x       |

## Related Projects

Here are some real-world MQTT clients to check out:

* [MQTTX](https://mqttx.app/cli)

* [mosquitto_pub/sub](https://mosquitto.org/man/)