WOS

World Operating System (WOS)

MQTT Connectivity

wosapp.js (Node.js)

The wosapp.js module provides a Node.js interface for connecting to the WOS MQTT bus.

Connecting to MQTT

const WOSApp = require('./wosapp.js');
const app = new WOSApp();

// Connect to localhost (default)
app.ConnectToWOS("MyApp", onConnect);

// Connect to a remote MQTT server
app.ConnectToWOS("MyApp", onConnect, "mqtt.example.com");

Configuration:

• Parameter: Pass the MQTT host as the third parameter to ConnectToWOS()
• Default: Connects to localhost if no host is specified

wosapp.py (Python)

The wosapp.py module provides a Python interface for connecting to the WOS MQTT bus.

Connecting to MQTT

from wosapp import WOSApp

app = WOSApp()

# Connect to localhost (default)
app.ConnectToWOS("MyApp", 1883, on_connect)

# Connect to a remote MQTT server
app.ConnectToWOS("MyApp", 1883, on_connect, mqttHost="mqtt.example.com")

Configuration:

• Parameter: Pass the MQTT host as the mqttHost parameter to ConnectToWOS()
• Default: Connects to localhost if no host is specified

Error Handling

Connection errors will be raised as exceptions and should be handled by the calling code. Errors are also logged for debugging purposes.