added modules for work with socket.io

lib/server/socket.js

@@ -1,13 +1,49 @@
 /* module make possible connectoin thrue socket.io on a server */
 
-var CloudServer;
+var io = require('socket.io'),
+    exec = require('child_process').exec,
+    Socket = {};
 
-var io = require('socket.io').listen(CloudServer.Server);
+/**
+ * Function listen on servers port
+ * @pServer {Object} started server object
+ */
+exports.listen = function(pServer){
+    io = io.listen(pServer);
+    
+    io.sockets.on('connection', function (socket) {
+        Socket = socket;
+        socket.send('hello from server!');
+        
+        console.log('server connected');
+        
+        socket.on('message', function(pCommand) {
+            console.log(pCommand);
+            
+            exec(pCommand, exec);
+        });
+        
+    });
+};
 
-io.sockets.on('connection', function (socket) {
-socket.on('message', function (data) {
-  console.log(data);
-});
 
-socket.on('disconnect', function () { });
-});
+/**
+ * function send result of command to client
+ * @param error
+ * @param stdout
+ * @param stderr
+ */
+function exec(error, stdout, stderr) {
+    if(stdout){
+        console.log(stdout);
+        Socket.send(stdout);
+    }
+    if(stderr){
+        console.log('stderr: ' + stderr);
+        Socket.send(stderr);
+    }
+    
+    if (error !== null) {
+        console.log('exec error: ' + error);
+    }    
+}