juci-local-server: Add config with port option

Easy configuration object based on JSON to easily change port number.

juci-local-server

@@ -6,12 +6,34 @@ var JSON = require("JSON");
 var fs = require("fs"); 
 var request = require("request"); 
 var http = require("http"); 
-
 var bodyParser = require('body-parser')
-
+var configuration ={};
 var config = {
-}; 
+};
+try {
+     //check if file exists and is a file
+     if (fs.lstatSync("juci-local-server.config").isFile())
+     {
+	configuration = JSON.parse(fs.readFileSync("juci-local-server.config"));
+	if ( configuration.serverPort == undefined) {
+		throw new Error('ENOENT');
+		}
+     }
+     else
+     {
+	throw new Error('ENOENT');
+     }
+}
+catch (e) {
+   if (e.code = 'ENOENT')
+   {
+	configuration = JSON.parse('{ "serverPort" : "3000" }');
+   } else {
+	throw(e)
+   }
+}
 
+console.log(configuration.serverPort)
 for(var i = 0; i < process.argv.length; i++){
 	switch(process.argv[i]){
 		case "--host": config.ubus_uri = "http://"+process.argv[++i]+"/ubus"; break; 
@@ -303,7 +325,7 @@ app.post('/ubus', function(req, res) {
   */
 });
 
-var server = app.listen(3000, function () {
+var server = app.listen(configuration.serverPort, function () {
   var host = server.address().address;
   var port = server.address().port;
 

juci-local-server.config.example

@@ -0,0 +1,3 @@
+{
+	"serverPort" : 3000
+}