initial commit with apps from course repo

todo-backend/controllers/serverinfo.js

@@ -0,0 +1,29 @@
+var os = require('os');
+
+exports.context = function(server, path) {
+    if (!server)
+        done('has to provide a restify server object');
+        
+    server.get(path + '/host', this.serverInfo);
+};
+
+exports.serverInfo = function(req, res, next) {
+    var address;
+    var ifaces = os.networkInterfaces();
+
+    for (var dev in ifaces) {
+        var iface = ifaces[dev].filter(function(details) {
+            return details.family === 'IPv4' && details.internal === false;
+        });
+        if (iface.length > 0)
+            address = iface[0].address;
+    }
+
+    var reply = {
+        ip: address,
+        hostname: os.hostname()
+    };
+    res.json(reply);
+    next();
+};
+