Restructure server code to make embedding easier

red.js

@@ -19,20 +19,18 @@ var util = require("util");
 var express = require("express");
 var crypto = require("crypto");
 var settings = require("./settings");
+var RED = require("./red/red.js");
+
 
 var server;
 var app = express();
 
-var redApp = null;
-
 if (settings.https) {
     server = https.createServer(settings.https,function(req,res){app(req,res);});
 } else {
     server = http.createServer(function(req,res){app(req,res);});
 }
 
-redApp = require('./red/server.js').init(server,settings);
-
 settings.httpRoot = settings.httpRoot||"/";
 
 if (settings.httpRoot[0] != "/") {
@@ -51,9 +49,11 @@ if (settings.httpAuth) {
     );
 }
 
-app.use(settings.httpRoot,redApp);
+RED.init(server,settings);
+app.use(settings.httpRoot,RED.app);
 
     
 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);
 

red/library.js

@@ -16,10 +16,12 @@
 
 var fs = require("fs");
 var fspath = require("path");
-var redUI = require("./server");
+var redApp = null;
 
+function init() {
+    redApp = require("./server").app;
     // -------- Flow Library --------
-redUI.app.post(new RegExp("/library/flows\/(.*)"), function(req,res) {
+    redApp.post(new RegExp("/library/flows\/(.*)"), function(req,res) {
             var fullBody = '';
             req.on('data', function(chunk) {
                     fullBody += chunk.toString();
@@ -60,7 +62,7 @@ function listFiles(dir) {
         return result;
     }
     
-redUI.app.get("/library/flows",function(req,res) {
+    redApp.get("/library/flows",function(req,res) {
             var flows = {};
             if (fs.existsSync("lib/flows")) {
                 flows = listFiles("lib/flows");
@@ -73,7 +75,7 @@ redUI.app.get("/library/flows",function(req,res) {
             
     });
     
-redUI.app.get(new RegExp("/library/flows\/(.*)"), function(req,res) {
+    redApp.get(new RegExp("/library/flows\/(.*)"), function(req,res) {
             var fn = "lib/flows/"+req.params[0]+".json";
             if (fs.existsSync(fn)) {
                 fs.readFile(fn,function(err,data) {
@@ -87,7 +89,7 @@ redUI.app.get(new RegExp("/library/flows\/(.*)"), function(req,res) {
     });
     
     // ------------------------------
-
+}    
 
 function createLibrary(type) {
     
@@ -100,7 +102,7 @@ function createLibrary(type) {
                 fs.mkdir(root);
             }
     });
-    redUI.app.get(new RegExp("/library/"+type+"($|\/(.*))"),function(req,res) {
+    redApp.get(new RegExp("/library/"+type+"($|\/(.*))"),function(req,res) {
             var path = req.params[1]||"";
             var rootPath = fspath.join(root,path);
             
@@ -141,7 +143,7 @@ function createLibrary(type) {
             });
     });
     
-    redUI.app.post(new RegExp("/library/"+type+"\/(.*)"),function(req,res) {
+    redApp.post(new RegExp("/library/"+type+"\/(.*)"),function(req,res) {
             var path = req.params[0];
             var fullBody = '';
             req.on('data', function(chunk) {
@@ -246,4 +248,5 @@ function getFileBody(root,path,res) {
     res.end();
 }
 
+module.exports.init = init;
 module.exports.register = createLibrary;

red/nodes.js

@@ -66,7 +66,11 @@ var registry = (function() {
                 events.emit("nodes-stopped");
                 nodes = {};
             },
-
+            each: function(cb) {
+                for (var n in nodes) {
+                    cb(nodes[n]);
+                }
+            },
             addLogHandler: function(handler) {
                 logHandlers.push(handler);
             }
@@ -132,6 +136,7 @@ util.inherits(Node,EventEmitter);
 
 Node.prototype.close = function() {
     // called when a node is removed
+    this.emit("close");
 }
 
 

red/red.js

@@ -18,18 +18,28 @@ var events = require("./events");
 var server = require("./server");
 var nodes = require("./nodes");
 var library = require("./library");
-var settings = require("../settings");
+var settings = null;
 
 
 var events = require("events");
 
 var RED = {
+    
+    init: function(httpServer,userSettings) {
+        settings = userSettings;
+        server.init(httpServer,settings);
+        library.init();
+    },
+    
+    start: server.start,
+    
     nodes: nodes,
-    app: server.app,
-    server: server.server,
-    settings: settings,
     library: library,
     events: events
 };
 
+RED.__defineGetter__("app", function() { return server.app });
+RED.__defineGetter__("server", function() { return server.server });
+RED.__defineGetter__("settings", function() { return settings });
+
 module.exports = RED; 

red/server.js

@@ -19,6 +19,8 @@ var util = require('util');
 var createUI = require("./ui");
 var redNodes = require("./nodes");
 var host = require('os').hostname();
+//TODO: relocated user dir
+var rulesfile = process.argv[2] || 'flows_'+host+'.json';
 
 var app = null;
 var server = null;
@@ -28,7 +30,6 @@ function createServer(_server,settings) {
     app = createUI(settings);
     
     //TODO: relocated user dir
-    var rulesfile = process.argv[2] || 'flows_'+host+'.json';
     fs.exists("lib/",function(exists) {
             if (!exists) {
                 fs.mkdir("lib");
@@ -70,7 +71,8 @@ function createServer(_server,settings) {
                     });
             });
     });
-    
+}
+function start() {
     console.log("\nWelcome to Node-RED\n===================\n");
     util.log("[red] Loading palette nodes");
     util.log("------------------------------------------");
@@ -87,16 +89,19 @@ function createServer(_server,settings) {
     
     fs.exists(rulesfile, function (exists) {
             if (exists) {
-                util.log("[red] Loading workspace flow : "+rulesfile);
+                util.log("[red] Loading flows : "+rulesfile);
                 fs.readFile(rulesfile,'utf8',function(err,data) {
                         redNodes.setConfig(JSON.parse(data));
                 });
+            } else {
+                util.log("[red] Flows file not found : "+rulesfile);
             }
     });
-    return app;
 }
+
 module.exports = { 
-    init: createServer
+    init: createServer,
+    start: start
 }
 
 module.exports.__defineGetter__("app", function() { return app });