This is a collection of code snipper for the blog post at: beardedinventor.com/2013/06/12/Migrating-from-HTTP-Nodes-to-Agents/ These files are actually .nut files (Squirrel) - but we store them as .js for formatting and syntax highlighting.

1HttpIn.js

// Create a class to control an LED from an input port
class LedController extends InputPort {
    
    led = null;
    
    constructor(name, _led) { 
        base(name);
        this.led = _led;
    }
    
    function set(value) {
        led.write(value);
    }
};

hardware.pin1.configure(DIGITAL_OUT);
ledController <- LedController("LED State", hardware.pin1);

imp.configure("HTTP In Example", [ledController], []);

2BasicHandler.js

http.onrequest(function(request, response) {
   // do things

   // send a response back.. 
   response.send(200, "OK");
});

3Agent.js

http.onrequest(function(request, response) {
    // check if the ledStatus is in the query parameters (?ledStatus=VALUE)
    if("ledStatus" in request.query)
    {
        // get the query parameter
        local state = request.query["ledStatus"];
        
        server.log(state);            // log it
        device.send("setLed", state); // pass it to the device
    }
    
    // send a response back.. 
    response.send(200, "OK");
});

4Device.js

led <- hardware.pin1;
led.configure(DIGITAL_OUT);

imp.configure("Agent Example", [], []);

agent.on("setLed", function(data){
  server.log("Setting LED to " + data);
  led.write(data);  // we're assuming data will be 1 or 0
});