Add logging incoming messages to a file via winston.

.gitignore

@@ -2,3 +2,4 @@
 node_modules
 *.sublime-workspace
 public/css/style.css
+serial_incoming*.log

modules/log_backend.js

@@ -0,0 +1,9 @@
+var winston = require('winston');
+var filename = "serial_incoming.log";
+winston.add(winston.transports.File, { filename: filename, maxsize: 1048576 });
+winston.remove(winston.transports.Console);
+winston.add(winston.transports.Console, { timestamp: true, colorize: true });
+
+exports.log_message = function(msg) {
+	winston.info(msg);
+}

modules/socket_server.js

@@ -1,6 +1,7 @@
 var sockets;
 var serport = require('./serial_node');
 var lhelper = require('./llap_helper');
+var logger = require('./log_backend');
 var activeUser;
 
 /*
@@ -36,9 +37,10 @@ exports.init = function(io){
 
 exports.onDataOverSerial = function(data){
 	var msg = data.toString();
-	console.log('onDataOverSerial', msg);
 	// process data received
 	if (lhelper.isValid(msg)) {
+		// log the message
+		logger.log_message(msg);
 		// let all the clients know about the message
 		sockets.emit('received-llap-msg', { content: msg });
 	} else {

package.json

@@ -15,7 +15,8 @@
 		"jade": "0.28.1",
 		"stylus": "0.32.0",
 		"socket.io": "0.9.12",
-		"serialport": "https://github.com/voodootikigod/node-serialport/tarball/master"
+		"serialport": "https://github.com/voodootikigod/node-serialport/tarball/master",
+		"winston": "0.6.2"
 	},
 	"engines": {
 		"node": "0.8.18",