Attempt to catch errors from wemo-lookup

This is to catch errors when device is offline

hardware/wemo/WeMoNG.js

@@ -398,12 +398,17 @@ module.exports = function(RED) {
             node.status({fill: 'green',shape: 'dot',text: 'found'});
         }
 
-        node.on('input', function(msg) {
+        node.on('input', function(msg, send, done) {
             var dev = wemo.get(node.dev);
 
+            send = send || function() { node.send.apply(node,arguments) }
+
             if (!dev) {
                 //need to show that dev not currently found
                 console.log('no device found');
+                if (done) {
+                    done()
+                }
                 return;
             }
 
@@ -427,7 +432,16 @@ module.exports = function(RED) {
                     delete status.capabilities;
                     // }
                     msg.payload = status;
-                    node.send(msg);
+                    send(msg);
+                    if (done) {
+                        done()
+                    }
+                }).catch(function(err){
+                    if (done) {
+                        done(err)
+                    } else {
+                        node.error(err,msg)
+                    }
                 });
             } else if (dev.type === 'socket_insight') {
                 console.log("socket_insight");
@@ -437,7 +451,16 @@ module.exports = function(RED) {
                     msg.payload = insightParameters;
                     // 'state' should be a number for backwards compatibility
                     msg.payload.state = parseInt(msg.payload.state);
-                    node.send(msg);
+                    send(msg);
+                    if (done) {
+                        done()
+                    }
+                }).catch(function(err){
+                    if (done) {
+                        done(err)
+                    } else {
+                        node.error(err,msg)
+                    }
                 });            
             } else {
                 console.log("socket");
@@ -447,7 +470,17 @@ module.exports = function(RED) {
                     msg.payload = {
                         state: status
                     };
-                    node.send(msg);
+                    send(msg);
+                    if (done) {
+                        done()
+                    }
+                })
+                .catch(function(err){
+                    if (done) {
+                        done(err)
+                    } else {
+                        node.error(err,msg)
+                    }
                 });
             }
         });

hardware/wemo/lib/wemo.js

@@ -5,7 +5,7 @@ var events = require('events');
 var util = require('util');
 var Client = require('node-ssdp').Client;
 var xml2js  = require('xml2js');
-var request = require('request');
+// var request = require('request');
 var http = require('http');
 var url = require('url');
 var Q = require('q');
@@ -271,6 +271,11 @@ WeMoNG.prototype.start = function start() {
                 post_request.abort();
               });
 
+              post_request.on('error', function(err){
+                // should log err
+                console.log(err);
+              })
+
               post_request.write(util.format(getenddevs.body, udn));
               post_request.end();
 

hardware/wemo/package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-red-node-wemo",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Input and Output nodes for Belkin WeMo devices",
   "repository": "https://github.com/node-red/node-red-nodes/tree/master/hardware",
   "main": "WeMoNG.js",
@@ -12,11 +12,16 @@
     "wemo",
     "belkin"
   ],
-  "author": {
+  "contributors": [
+    {
       "email": "hardillb@gmail.com",
       "name": "Benjamin Hardill",
       "url": "http://www.hardill.me.uk/wordpress/"
     },
+    {
+      "name": "Bart Butenaers"
+    }
+  ],
   "license": "Apache-2.0",
   "dependencies": {
     "node-ssdp": "~3.2.5",