Merge pull request +13023 from c9/vfs-debugging

Debugging VFS Save errors

configs/client-default.js

@@ -109,6 +109,7 @@ module.exports = function(options) {
         
         // VFS
         "plugins/c9.vfs.client/vfs.ping",
+        "plugins/c9.vfs.client/vfs.log",
         {
             packagePath: "plugins/c9.vfs.client/vfs_client",
             debug: debug,

package.json

@@ -67,7 +67,7 @@
         "c9.ide.language.javascript.infer": "#18acb93a3a",
         "c9.ide.language.jsonalyzer": "#4b329741b1",
         "c9.ide.language.codeintel": "#2b18c5ccb1",
-        "c9.ide.collab": "#728ad2bde2",
+        "c9.ide.collab": "#33263e74c3",
         "c9.ide.local": "#10eb45842a",
         "c9.ide.find": "#e33fbaed2f",
         "c9.ide.find.infiles": "#c0a13737ef",
@@ -108,7 +108,7 @@
         "c9.ide.run": "#6bd4996a4e",
         "c9.ide.run.build": "#0598fff697",
         "c9.ide.run.debug.xdebug": "#9956689819",
-        "c9.ide.save": "#4cda35bfdb",
+        "c9.ide.save": "#25a63f31e2",
         "c9.ide.scm": "#637a68cd04",
         "c9.ide.terminal.monitor": "#affa33572f",
         "c9.ide.test": "#102942ae4e",

plugins/c9.vfs.client/log-service.js

@@ -0,0 +1,10 @@
+module.exports = function(vfs, options, register) {
+    register(null, {
+        log: function (message, callback) {
+            callback = callback || function(){};
+            
+            console.log(message);
+            callback();
+        }
+    })
+}

plugins/c9.vfs.client/vfs.log.js

@@ -0,0 +1,82 @@
+/** Sends client side logs to vfs via the websocket connection **/
+
+define(function (require, exports, module) {
+    "use strict";
+    
+    main.consumes = ["Plugin", "ext", "c9"];
+    main.provides = ["vfs.log"];
+    return main;
+    
+    function main(options, imports, register) {
+        var Plugin = imports.Plugin; 
+        var c9 = imports.c9;
+        var ext = imports.ext;
+        var plugin = new Plugin("Ajax.org", main.consumes);
+        
+        var loaded = false;
+        var server = null;
+        
+        function load() {
+            if (loaded) return false;
+            loaded = true;
+            
+            ext.loadRemotePlugin("log", {
+                code: require("text!./log-service.js"),
+                redefine: true
+            }, function(err, remote) {
+                if (err) return console.error(err);
+                
+                server = remote;
+            });
+            
+            c9.on("stateChange", function(e) {
+                if (e.state & c9.NETWORK) {
+                    load();
+                }
+                else {
+                    loaded = false;
+                    server = null;
+                }
+            }, plugin);
+            
+        }
+        
+        
+        function log() {
+            if (!server) return console.error("Cannot log, client is offline");
+            var callback = function(){};
+            
+            var args = Array.prototype.slice.call(arguments);
+            if (typeof args[args.length-1] === "function") {
+                callback = args.splice(args.length-1, 1);
+            }
+            
+            var message = "";
+            args.forEach(function (arg) {
+                if (typeof arg === "object") {
+                    return message += JSON.stringify(arg);
+                }
+                message += arg;
+            });
+                
+            server.log(message, callback);
+        }
+        
+        plugin.on("load", function() {
+            load();
+        });
+        
+        plugin.on("unload", function() {
+            loaded = false;
+            server = null;
+        });
+        
+        plugin.freezePublicAPI({
+            log: log
+        });
+        
+        register(null, {
+            "vfs.log": plugin
+        });
+    }
+})

plugins/c9.vfs.client/vfs_client.js

@@ -146,6 +146,7 @@ define(function(require, exports, module) {
         
         function rest(path, options, callback) {
             if (!vfs || !connection || connection.readyState != "open") {
+                console.error("[vfs-client] Cannot perform rest action for ", path, " vfs is disconnected");
                 var stub = { abort: function(){ buffer[this.id]= null; } };
                 stub.id = buffer.push([path, options, callback, stub]) - 1;
                 return stub;

plugins/c9.vfs.standalone/www/test.js

@@ -94,6 +94,9 @@ require([
                 var x = new EventEmitter();
                 return x;
             })(),
+            "vfs.log": {
+                log: function(){} 
+            },
             anims: (function(){
                 var x = new EventEmitter();
                 x.animateSplitBoxNode = function(node, opt) {