Create a REST API for Electric Imp using Blocking device.on()

simple_rest_api

// ----------------------Agent Code-----------------------
function requestHandler(request, response) {
  try {
    // Send a read request to the device
    device.send("getRequest", request);
    
    // Blocking wait to receive response from the imp
    device.on("getResponse", function(data) {
      response.send(200,data);
    });
  } catch (ex) {
    response.send(500, "Internal Server Error: " + ex);
  }
}
 
// register the HTTP handler
http.onrequest(requestHandler);

// ----------------------Device Code----------------------

// Define test response data 
local responseData = "Hello"

function getRequest(params) {
  agent.send("getResponse", responseData)
}

agent.on("getRequest", getRequest);