From 18e76364fc4da64b8e2c7836cbe031ca2105e5f1 Mon Sep 17 00:00:00 2001 From: Nicholas O'Leary Date: Fri, 4 Oct 2013 17:01:49 +0100 Subject: [PATCH] Add port-in-use error handling --- red.js | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/red.js b/red.js index 6e6f8abfd..65f03ff35 100644 --- a/red.js +++ b/red.js @@ -21,7 +21,6 @@ var crypto = require("crypto"); var settings = require("./settings"); var RED = require("./red/red.js"); - var server; var app = express(); @@ -52,8 +51,21 @@ if (settings.httpAuth) { var red = RED.init(server,settings); app.use(settings.httpRoot,red); - -server.listen(settings.uiPort); RED.start(); -util.log('[red] Server now running at http'+(settings.https?'s':'')+'://127.0.0.1:'+settings.uiPort+settings.httpRoot); + +server.listen(settings.uiPort,function() { + util.log('[red] Server now running at http'+(settings.https?'s':'')+'://127.0.0.1:'+settings.uiPort+settings.httpRoot); +}); + +process.on('uncaughtException',function(err) { + if (err.errno === "EADDRINUSE") { + util.log('[red] Unable to listen on http'+(settings.https?'s':'')+'://127.0.0.1:'+settings.uiPort+settings.httpRoot); + util.log('[red] Error: port in use'); + } else { + util.log('[red] Uncaught Exception:'); + util.log(err.stack); + } + process.exit(1); +}); +