Resolve merge conflict

changelog

@@ -1,3 +1,17 @@
+Tue Oct 01 22:57 2013 CDT
+    * lib/asyncqueue.js: Add a generalized queue class for queueing async
+      functions to execute in order
+    * lib/channel.js, lib/playlist.js: Clean up playlist addition/move/
+      deletion.  Should fix #285.
+    * lib/server.js: Fix announcement initialization to null
+    * tests/naokosimulator2013.js: Add a simple bot that authenticates
+      and vomits a giant list of videos into a channel
+    * www/assets/js/callbacks.js, www/assets/js/util.js: Clean up
+      playlist add/move/delete
+    * www/assets/js/data.js: Update CL_VERSION which I always forget
+      to do.
+    * www/assets/js/ui.js: Small fix to comply with server changes
+
 Sun Sep 29 21:30 2013 CDT
     * lib/get-info.js: Add an extra check to ytv2 to make sure embedding is
       allowed.  If not, send a queueFail.

lib/asyncqueue.js

@@ -0,0 +1,65 @@
+/*
+The MIT License (MIT)
+Copyright (c) 2013 Calvin Montgomery
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+var AsyncQueue = function () {
+    this._q = [];
+    this._lock = false;
+    this._tm = 0;
+};
+
+AsyncQueue.prototype.next = function () {
+    if (this._q.length > 0) {
+        if (!this.lock())
+            return;
+        var item = this._q.shift();
+        var fn = item[0], tm = item[1];
+        this._tm = Date.now() + item[1];
+        fn(this);
+    }
+};
+
+AsyncQueue.prototype.lock = function () {
+    if (this._lock) {
+        if (this._tm > 0 && Date.now() > this._tm) {
+            this._tm = 0;
+            return true;
+        }
+        return false;
+    }
+
+    this._lock = true;
+    return true;
+};
+
+AsyncQueue.prototype.release = function () {
+    var self = this;
+    if (!self._lock)
+        return false;
+
+    self._lock = false;
+    setImmediate(function () {
+        self.next();
+    });
+    return true;
+};
+
+AsyncQueue.prototype.queue = function (fn) {
+    var self = this;
+    self._q.push([fn, 20000]);
+    self.next();
+};
+
+AsyncQueue.prototype.reset = function () {
+    this._q = [];
+    this._lock = false;
+};
+
+module.exports = AsyncQueue;

lib/channel.js

@@ -22,6 +22,7 @@ var Playlist = require("./playlist");
 var sanitize = require("validator").sanitize;
 var $util = require("./utilities");
 var url = require("url");
+var AsyncQueue = require("./asyncqueue");
 
 var Channel = function(name, Server) {
     var self = this;
@@ -36,6 +37,7 @@ var Channel = function(name, Server) {
     self.registered = false;
     self.users = [];
     self.playlist = new Playlist(self);
+    self.plqueue = new AsyncQueue();
     self.position = -1;
     self.drinks = 0;
     self.leader = null;
@@ -1313,7 +1315,7 @@ Channel.prototype.tryQueue = function(user, data) {
         return;
     }
 
-    if(data.pos == "next" && !this.hasPermission(user, "playlistnext")) {
+    if (data.pos === "next" && !this.hasPermission(user, "playlistnext")) {
         return;
     }
 
@@ -1334,16 +1336,34 @@ Channel.prototype.tryQueue = function(user, data) {
         return;
     }
 
-    if(typeof data.title !== "string")
+    if (typeof data.title !== "string" || data.type !== "cu")
         data.title = false;
 
     data.queueby = user ? user.name : "";
     data.temp = !this.hasPermission(user, "addnontemp");
 
-    if(data.list)
+    if (data.list) {
-        this.addMediaList(data, user);
+        if (data.pos === "next") {
-    else
+            data.list.reverse();
+            if (this.playlist.items.length === 0)
+                data.list.unshift(data.list.pop());
+        }
+        var i = 0;
+        var self = this;
+        var next = function () {
+            if (self.dead)
+                return;
+            if (i < data.list.length) {
+                data.list[i].pos = data.pos;
+                self.tryQueue(user, data.list[i]);
+                i++;
+                setTimeout(next, 2000);
+            }
+        };
+        next();
+    } else {
         this.addMedia(data, user);
+    }
 }
 
 Channel.prototype.addMedia = function(data, user) {
@@ -1371,158 +1391,153 @@ Channel.prototype.addMedia = function(data, user) {
     data.maxlength = self.hasPermission(user, "exceedmaxlength")
                    ? 0
                    : this.opts.maxlength;
+    if (data.pos === "end")
+        data.pos = "append";
 
-    var postAdd = function (item, cached) {
+    if (data.type === "cu" && data.title) {
-        if (self.dead)
+        var t = data.title;
+        if(t.length > 100)
+            t = t.substring(0, 97) + "...";
+        data.title = t;
+    }
+
+    var afterData = function (q, c, m) {
+        if (data.maxlength && data.seconds > data.maxlength) {
+            user.socket.emit("queueFail",
+                "Media is too long!");
+            q.release();
             return;
-
-        if(item.media.type === "cu" && data.title) {
-            var t = data.title;
-            if(t.length > 100)
-                t = t.substring(0, 97) + "...";
-            item.media.title = t;
         }
-        self.logger.log("### " + user.name + " queued " + item.media.title);
+
+        m.pos = data.pos;
+        m.queueby = data.queueby;
+        m.temp = data.temp;
+        var res = self.playlist.addMedia(m);
+        if (res.error) {
+            user.socket.emit("queueFail", res.error);
+            q.release();
+            return;
+        }
+
+        var item = res.item;
+        self.logger.log("### " + user.name + " queued " +
+                        item.media.title);
         self.sendAll("queue", {
             item: item.pack(),
             after: item.prev ? item.prev.uid : "prepend"
         });
         self.broadcastPlaylistMeta();
-        if(!cached && !item.temp)
+        if (!c && !item.temp)
             self.cacheMedia(item.media);
-    }
+        q.release();
+    };
 
-    // No need to check library for livestreams - they aren't cached
+    // special case for youtube playlists
-    if(isLive(data.type)) {
+    if (data.type === "yp") {
-        self.playlist.addMedia(data, function (err, data) {
+        self.plqueue.queue(function (q) {
             if (self.dead)
                 return;
+            self.server.infogetter.getMedia(data.id, data.type,
+                                            function (e, vids) {
+                if (e) {
+                    user.socket.emit("queueFail", e);
+                    q.release();
+                    return;
+                }
 
-            if(err) {
+                if (data.pos === "next") {
-                if(err === true)
+                    vids.reverse();
-                    err = false;
+                    if (self.playlist.length === 0)
-                if(user)
+                        vids.unshift(vids.pop());
-                    user.socket.emit("queueFail", err);
+                }
-                return;
+
-            }
+                var fake = { release: function () { } };
-            else {
+                var cb = afterData.bind(self, fake, false);
-                postAdd(data, false);
+                for (var i = 0; i < vids.length; i++) {
-            }
+                    cb(vids[i]);
+                }
+                q.release();
+            });
         });
         return;
     }
 
-    // Don't search library if the channel isn't registered
+    // Don't check library for livestreams or if the channel is
-    if(!self.registered) {
+    // unregistered
-        self.playlist.addMedia(data, function(err, item) {
+    if (!self.registered || isLive(data.type)) {
+        self.plqueue.queue(function (q) {
+            if (self.dead)
+                return;
+            var cb = afterData.bind(self, q, false);
+            self.server.infogetter.getMedia(data.id, data.type,
+                                            function (e, m) {
+                if (self.dead)
+                    return;
+                if (e) {
+                    user.socket.emit("queueFail", e);
+                    q.release();
+                    return;
+                }
+
+                cb(m);
+            });
+        });
+    } else {
+        self.server.db.getLibraryItem(self.name, data.id,
+                                      function (err, item) {
             if (self.dead)
                 return;
 
-            if(err) {
+            if (err) {
-                if(err === true)
+                user.socket.emit("queueFail", "Internal error: " + err);
-                    err = false;
-                if(user)
-                    user.socket.emit("queueFail", err);
                 return;
+            }
+
+            if (item !== null) {
+                if (data.maxlength && item.seconds > data.maxlength) {
+                    user.socket.emit("queueFail", "Media is too long!");
+                    return;
+                }
+
+                self.plqueue.queue(function (q) {
+                    if (self.dead)
+                        return;
+                    afterData.bind(self, q, true)(item);
+                });
             } else {
-                postAdd(item, false);
+                self.plqueue.queue(function (q) {
+                    if (self.dead)
+                        return;
+                    self.server.infogetter.getMedia(data.id, data.type,
+                                                    function (e, m) {
+                        if (self.dead)
+                            return;
+                        if (e) {
+                            user.socket.emit("queueFail", e);
+                            q.release();
+                            return;
+                        }
+
+                        afterData.bind(self, q, false)(m);
+                    });
+                });
             }
         });
-        return;
     }
-    self.server.db.getLibraryItem(self.name, data.id,
+};
-                                  function (err, item) {
-        if (self.dead)
-            return;
-
-        if(err) {
-            user.socket.emit("queueFail", "Internal error: " + err);
-            return;
-        }
-
-        if(item !== null) {
-            var m = new Media(item.id, item.title, item.seconds, item.type);
-            if(data.maxlength && m.seconds > data.maxlength) {
-                user.socket.emit("queueFail", "Media is too long!");
-                return;
-            }
-
-            data.media = m;
-            self.playlist.addCachedMedia(data, function (err, item) {
-                if (self.dead)
-                    return;
-
-                if(err) {
-                    if(err === true)
-                        err = false;
-                    if(user)
-                        user.socket.emit("queueFail", err);
-                    return;
-                } else {
-                    postAdd(item, true);
-                }
-            });
-        } else {
-            self.playlist.addMedia(data, function(err, item) {
-                if (self.dead)
-                    return;
-
-                if(err) {
-                    if(err === true)
-                        err = false;
-                    if(user)
-                        user.socket.emit("queueFail", err);
-                    return;
-                } else {
-                    postAdd(item, false);
-                }
-            });
-        }
-
-    });
-
-}
-
-Channel.prototype.addMediaList = function(data, user) {
-    var chan = this;
-    this.playlist.addMediaList(data, function(err, item) {
-        if (chan.dead)
-            return;
-
-        if(err) {
-            if(err === true)
-                err = false;
-            if(user)
-                user.socket.emit("queueFail", err);
-            return;
-        }
-        else {
-            chan.logger.log("### " + user.name + " queued " + item.media.title);
-            item.temp = data.temp;
-            item.queueby = data.queueby;
-            chan.sendAll("queue", {
-                item: item.pack(),
-                after: item.prev ? item.prev.uid : "prepend"
-            });
-            chan.broadcastPlaylistMeta();
-            if(!item.temp)
-                chan.cacheMedia(item.media);
-        }
-    });
-}
 
 Channel.prototype.tryQueuePlaylist = function(user, data) {
     var self = this;
-    if(!this.hasPermission(user, "playlistaddlist")) {
+    if (!self.hasPermission(user, "playlistaddlist")) {
         return;
     }
 
-    if(typeof data.name != "string" ||
+    if(typeof data.name !== "string" ||
-       typeof data.pos != "string") {
+       typeof data.pos !== "string") {
         return;
     }
 
-    if(data.pos == "next" && !this.hasPermission(user, "playlistnext")) {
+    if (data.pos == "next" && !this.hasPermission(user, "playlistnext")) {
         return;
     }
 
@@ -1531,16 +1546,24 @@ Channel.prototype.tryQueuePlaylist = function(user, data) {
         if (self.dead)
             return;
 
-        if(err) {
+        if (err) {
             user.socket.emit("errorMsg", {
                 msg: "Playlist load failed: " + err
             });
             return;
         }
-        data.list = pl;
+
-        data.queueby = user.name;
+        if (data.pos === "next") {
-        data.temp = !self.hasPermission(user, "addnontemp");
+            pl.reverse();
-        self.addMediaList(data, user);
+            if (self.playlist.items.length === 0)
+                pl.unshift(pl.pop());
+        }
+
+        for (var i = 0; i < pl.length; i++) {
+            pl[i].pos = data.pos;
+            pl[i].temp = !self.hasPermission(user, "addnontemp");
+            self.addMedia(pl[i], user);
+        }
     });
 }
 
@@ -1572,15 +1595,20 @@ Channel.prototype.trySetTemp = function(user, data) {
 
 
 Channel.prototype.dequeue = function(uid) {
-    var chan = this;
+    var self = this;
-    function afterDelete() {
+    self.plqueue.queue(function (q) {
-        chan.sendAll("delete", {
+        if (self.dead)
-            uid: uid
+            return;
-        });
+
-        chan.broadcastPlaylistMeta();
+        if (self.playlist.remove(uid)) {
-    }
+            self.sendAll("delete", {
-    if(!this.playlist.remove(uid, afterDelete))
+                uid: uid
-        return;
+            });
+            self.broadcastPlaylistMeta();
+        }
+
+        q.release();
+    });
 }
 
 Channel.prototype.tryDequeue = function(user, data) {
@@ -1651,6 +1679,7 @@ Channel.prototype.tryJumpTo = function(user, data) {
 
 Channel.prototype.clearqueue = function() {
     this.playlist.clear();
+    this.plqueue.reset();
     this.sendAll("playlist", this.playlist.items.toArray());
     this.broadcastPlaylistMeta();
 }
@@ -1668,6 +1697,7 @@ Channel.prototype.shufflequeue = function() {
     var n = [];
     var pl = this.playlist.items.toArray(false);
     this.playlist.clear();
+    this.plqueue.reset();
     while(pl.length > 0) {
         var i = parseInt(Math.random() * pl.length);
         var item = this.playlist.makeItem(pl[i].media);
@@ -1717,32 +1747,36 @@ Channel.prototype.tryUpdate = function(user, data) {
 }
 
 Channel.prototype.move = function(data, user) {
-    var chan = this;
+    var self = this;
-    function afterMove() {
+    self.plqueue.queue(function (q) {
-        if (chan.dead)
+        if (self.dead)
             return;
 
-        var moveby = user && user.name ? user.name : null;
+        if (self.playlist.move(data.from, data.after)) {
-        if(typeof data.moveby !== "undefined")
+            var moveby = user && user.name ? user.name : null;
-            moveby = data.moveby;
+            if (typeof data.moveby !== "undefined")
+                moveby = data.moveby;
 
 
-        var fromit = chan.playlist.items.find(data.from);
+            var fromit = self.playlist.items.find(data.from);
-        var afterit = chan.playlist.items.find(data.after);
+            var afterit = self.playlist.items.find(data.after);
-        var aftertitle = afterit && afterit.media ? afterit.media.title : "";
+            var aftertitle = (afterit && afterit.media)
-        if(fromit) {
+                             ? afterit.media.title : "";
-            chan.logger.log("### " + user.name + " moved " + fromit.media.title
+            if (fromit) {
-                          + (aftertitle ? " after " + aftertitle : ""));
+                self.logger.log("### " + user.name + " moved " +
+                                fromit.media.title +
+                                (aftertitle ? " after " + aftertitle : ""));
+            }
+
+            self.sendAll("moveVideo", {
+                from: data.from,
+                after: data.after,
+                moveby: moveby
+            });
         }
 
-        chan.sendAll("moveVideo", {
+        q.release();
-            from: data.from,
+    });
-            after: data.after,
-            moveby: moveby
-        });
-    }
-
-    this.playlist.move(data.from, data.after, afterMove);
 }
 
 Channel.prototype.tryMove = function(user, data) {

lib/get-info.js

@@ -23,6 +23,7 @@ module.exports = function (Server) {
         // This should cut down on needing to restart the server
         var d = domain.create();
         d.on("error", function (err) {
+            Logger.errlog.log(err.trace());
             Logger.errlog.log("urlRetrieve failed: " + err);
             Logger.errlog.log("Request was: " + options.host + options.path);
             callback(503, err);
@@ -81,14 +82,18 @@ module.exports = function (Server) {
                 } else if(status === 403) {
                     callback("Private video", null);
                     return;
+                } else if(status === 400) {
+                    callback("Invalid video", null);
+                    return;
                 } else if(status === 503) {
                     callback("API failure", null);
                     return;
                 } else if(status !== 200) {
-                    callback(true, null);
+                    callback("HTTP " + status, null);
                     return;
                 }
                 
+                var buffer = data;
                 try {
                     data = JSON.parse(data);
                     if (data.entry.yt$accessControl) {
@@ -611,6 +616,8 @@ module.exports = function (Server) {
         getMedia: function (id, type, callback) {
             if(type in this.Getters) {
                 this.Getters[type](id, callback);
+            } else {
+                callback("Unknown media type '" + type + "'", null);
             }
         }
     };

lib/playlist.js

@@ -10,6 +10,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 */
 
 ULList = require("./ullist").ULList;
+var AsyncQueue = require("./asyncqueue");
 var Media = require("./media").Media;
 var AllPlaylists = {};
 
@@ -50,9 +51,7 @@ function Playlist(chan) {
         "mediaUpdate": [],
         "remove": [],
     };
-    this.lock = false;
+    this.fnqueue = new AsyncQueue();
-    this.action_queue = [];
-    this._qaInterval = false;
     AllPlaylists[name] = this;
 
     this.channel = chan;
@@ -86,28 +85,6 @@ function Playlist(chan) {
     });
 }
 
-Playlist.prototype.queueAction = function(data) {
-    this.action_queue.push(data);
-    if(this._qaInterval)
-        return;
-    var pl = this;
-    this._qaInterval = setInterval(function() {
-        var data = pl.action_queue.shift();
-        if(data.waiting) {
-            if(!("expire" in data))
-                data.expire = Date.now() + 10000;
-            if(Date.now() < data.expire)
-                pl.action_queue.unshift(data);
-        }
-        else
-            data.fn();
-        if(pl.action_queue.length == 0) {
-            clearInterval(pl._qaInterval);
-            pl._qaInterval = false;
-        }
-    }, 100);
-}
-
 Playlist.prototype.dump = function() {
     var arr = this.items.toArray();
     var pos = 0;
@@ -222,204 +199,54 @@ Playlist.prototype.add = function(item, pos) {
     return false;
 }
 
-Playlist.prototype.addCachedMedia = function(data, callback) {
+Playlist.prototype.addMedia = function (data) {
-    var pos = "append";
+    var pos = data.pos;
-    if(data.pos == "next") {
+    if (pos === "next") {
-        if(!this.current)
+        if (this.current !== null)
-            pos = "prepend";
-        else
             pos = this.current.uid;
+        else
+            pos = "append";
     }
 
-    var it = this.makeItem(data.media);
+    var m = new Media(data.id, data.title, data.seconds, data.type);
-    it.temp = data.temp;
+    var item = this.makeItem(m);
-    it.queueby = data.queueby;
+    item.queueby = data.queueby;
-
+    item.temp = data.temp;
-    var pl = this;
+    return {
-
+        item: item,
-    var action = {
+        error: this.add(item, pos)
-        fn: function() {
-            var err = pl.add(it, pos);
-            callback(err, err ? null : it);
-        },
-        waiting: false
     };
-    this.queueAction(action);
+};
-}
 
-Playlist.prototype.addMedia = function(data, callback) {
+Playlist.prototype.remove = function (uid) {
-
+    var self = this;
-    if(data.type == "yp") {
+    var item = self.items.find(uid);
-        this.addYouTubePlaylist(data, callback);
+    if (item && self.items.remove(uid)) {
-        return;
+        if (item === self.current) {
-    }
+            setImmediate(function () { self._next(); });
-
-    var pos = "append";
-    if(data.pos == "next") {
-        if(!this.current)
-            pos = "prepend";
-        else
-            pos = this.current.uid;
-    }
-
-    var it = this.makeItem(null);
-    var pl = this;
-    var action = {
-        fn: function() {
-            var err = pl.add(it, pos);
-            callback(err, err ? null : it);
-        },
-        waiting: true
-    };
-    this.queueAction(action);
-
-    // Pre-cached data
-    if(typeof data.title === "string" &&
-       typeof data.seconds === "number") {
-        if(data.maxlength && data.seconds > data.maxlength) {
-            action.expire = 0;
-            callback("Media is too long!", null);
-            return;
-        }
-        it.media = new Media(data.id, data.title, data.seconds, data.type);
-        action.waiting = false;
-        return;
-    }
-
-    this.server.infogetter.getMedia(data.id, data.type, function(err, media) {
-        if(err) {
-            action.expire = 0;
-            callback(err, null);
-            return;
-        }
-
-        if(data.maxlength && media.seconds > data.maxlength) {
-            action.expire = 0;
-            callback("Media is too long!", null);
-            return;
-        }
-
-        it.media = media;
-        it.temp = data.temp;
-        it.queueby = data.queueby;
-        action.waiting = false;
-    });
-}
-
-Playlist.prototype.addMediaList = function(data, callback) {
-    var start = false;
-    if(data.pos == "next") {
-        data.list = data.list.reverse();
-        start = data.list[data.list.length - 1];
-    }
-
-    if(this.items.length != 0)
-        start = false;
-
-    var pl = this;
-    for(var i = 0; i < data.list.length; i++) {
-        var x = data.list[i];
-        x.pos = data.pos;
-        if(start && x == start) {
-            pl.addMedia(x, function (err, item) {
-                if(err) {
-                    callback(err, item);
-                }
-                else {
-                    callback(err, item);
-                    pl.current = item;
-                    pl.startPlayback();
-                }
-            });
-        }
-        else {
-            pl.addMedia(x, callback);
         }
+        return true;
+    } else {
+        return false;
     }
 }
 
-Playlist.prototype.addYouTubePlaylist = function(data, callback) {
+Playlist.prototype.move = function (from, after) {
-    var pos = "append";
-    if(data.pos == "next") {
-        if(!this.current)
-            pos = "prepend";
-        else
-            pos = this.current.uid;
-    }
-
-    var pl = this;
-    this.server.infogetter.getMedia(data.id, data.type, function(err, vids) {
-        if(err) {
-            callback(err, null);
-            return;
-        }
-
-        if(data.pos === "next")
-            vids.reverse();
-
-        vids.forEach(function(media) {
-            if(data.maxlength && media.seconds > data.maxlength) {
-                callback("Media is too long!", null);
-                return;
-            }
-            var it = pl.makeItem(media);
-            it.temp = data.temp;
-            it.queueby = data.queueby;
-            pl.queueAction({
-                fn: function() {
-                    var err = pl.add(it, pos);
-                    callback(err, err ? null : it);
-                },
-            });
-        });
-    });
-}
-
-Playlist.prototype.remove = function(uid, callback) {
-    var pl = this;
-    this.queueAction({
-        fn: function() {
-            var item = pl.items.find(uid);
-            if(pl.items.remove(uid)) {
-                if(callback)
-                    callback();
-                if(item == pl.current)
-                    pl._next();
-            }
-        },
-        waiting: false
-    });
-}
-
-Playlist.prototype.move = function(from, after, callback) {
-    var pl = this;
-    this.queueAction({
-        fn: function() {
-            pl._move(from, after, callback);
-        },
-        waiting: false
-    });
-}
-
-Playlist.prototype._move = function(from, after, callback) {
     var it = this.items.find(from);
-    if(!this.items.remove(from))
+    if (!this.items.remove(from))
-        return;
+        return false;
 
-    if(after === "prepend") {
+    if (after === "prepend") {
-        if(!this.items.prepend(it))
+        if (!this.items.prepend(it))
-            return;
+            return false;
+    } else if (after === "append") {
+        if (!this.items.append(it))
+            return false;
+    } else if (!this.items.insertAfter(it, after)) {
+        return false;
     }
 
-    else if(after === "append") {
+    return true;
-        if(!this.items.append(it))
-            return;
-    }
-
-    else if(!this.items.insertAfter(it, after))
-        return;
-
-    callback();
 }
 
 Playlist.prototype.next = function() {
@@ -428,13 +255,11 @@ Playlist.prototype.next = function() {
 
     var it = this.current;
 
-    if(it.temp) {
+    if (it.temp) {
-        var pl = this;
+        if (this.remove(it.uid)) {
-        this.remove(it.uid, function() {
+            this.on("remove")(it);
-            pl.on("remove")(it);
+        }
-        });
+    } else {
-    }
-    else {
         this._next();
     }
 
@@ -470,10 +295,9 @@ Playlist.prototype.jump = function(uid) {
     }
 
     if(it.temp) {
-        var pl = this;
+        if (this.remove(it.uid)) {
-        this.remove(it.uid, function () {
+            this.on("remove")(it);
-            pl.on("remove")(it);
+        }
-        });
     }
 
     return this.current;
@@ -599,10 +423,12 @@ Playlist.prototype.clean = function (filter) {
         if (count < matches.length) {
             var uid = matches[count].uid;
             count++;
-            self.channel.sendAll("delete", {
+            if (self.remove(uid)) {
-                uid: uid
+                self.channel.sendAll("delete", {
-            });
+                    uid: uid
-            self.remove(uid, deleteNext);
+                });
+            }
+            deleteNext();
         } else {
             // refresh meta only once, at the end
             self.channel.broadcastPlaylistMeta();

lib/server.js

@@ -8,7 +8,7 @@ var Logger = require("./logger");
 var Channel = require("./channel");
 var User = require("./user");
 
-const VERSION = "2.4.2";
+const VERSION = "2.4.3";
 
 function getIP(req) {
     var raw = req.connection.remoteAddress;
@@ -79,6 +79,7 @@ var Server = {
     db: null,
     ips: {},
     acp: null,
+    announcement: null,
     httpaccess: null,
     actionlog: null,
     logHTTP: function (req, status) {

package.json

@@ -2,7 +2,7 @@
     "author": "Calvin Montgomery",
     "name": "CyTube",
     "description": "Online media synchronizer and chat",
-    "version": "2.4.2",
+    "version": "2.4.3",
     "repository": {
         "url": "http://github.com/calzoneman/sync"
     },

tests/naokosimulator2013.js

@@ -0,0 +1,38 @@
+var fs = require('fs');
+var io = require('socket.io-client');
+var socket = io.connect('http://localhost:1337');
+socket.on('connect', function () {
+    socket.emit('login', { name: 'test', pw: 'test' });
+    socket.emit('joinChannel', { name: 'test' });
+});
+
+socket.on('queueFail', function (msg) {
+    console.log(msg);
+});
+
+/* Stress test adding a lot of videos in a very short timespan */
+
+function testAddVideos() {
+    var pl = fs.readFileSync('largepl.json') + '';
+    pl = JSON.parse(pl);
+    var ids = [];
+    for (var i = 0; i < pl.length; i++) {
+        if (pl[i].type === 'yt')
+            ids.push(pl[i].id);
+    }
+
+    for (var i = 0; i < ids.length; i++) {
+        (function (i) {
+            setTimeout(function () {
+                console.log('queue', ids[i]);
+                socket.emit('queue', {
+                    id: ids[i],
+                    type: 'yt',
+                    pos: 'end'
+                });
+            }, 1050 * i);
+        })(i);
+    }
+}
+
+testAddVideos();

www/assets/js/callbacks.js

@@ -764,43 +764,64 @@ Callbacks = {
     },
 
     queue: function(data) {
-        queueAction({
+        PL_ACTION_QUEUE.queue(function (plq) {
-            fn: function () {
+            var li = makeQueueEntry(data.item, true);
-                var li = makeQueueEntry(data.item, true);
+            if (data.item.uid === PL_CURRENT)
-                li.hide();
+                li.addClass("queue_active");
-                var q = $("#queue");
+            li.hide();
-                li.attr("title", data.item.queueby
+            var q = $("#queue");
-                                    ? ("Added by: " + data.item.queueby)
+            li.attr("title", data.item.queueby
-                                    : "Added by: Unknown");
+                                ? ("Added by: " + data.item.queueby)
-                if(data.after === "prepend") {
+                                : "Added by: Unknown");
-                    li.prependTo(q);
+            if (data.after === "prepend") {
-                    li.show("blind");
+                li.prependTo(q);
-                    return true;
+                li.show("blind", function () {
-                }
+                    plq.release();
-                else if(data.after === "append") {
+                });
-                    li.appendTo(q);
+            } else if (data.after === "append") {
-                    li.show("blind");
+                li.appendTo(q);
-                    return true;
+                li.show("blind", function () {
-                }
+                    plq.release();
-                else {
+                });
-                    var liafter = playlistFind(data.after);
+            } else {
-                    if(!liafter) {
+                var liafter = playlistFind(data.after);
-                        return false;
+                if (!liafter) {
-                    }
+                    plq.release();
-                    li.insertAfter(liafter);
+                    return;
-                    li.show("blind");
-                    return true;
                 }
+                li.insertAfter(liafter);
+                li.show("blind", function () {
+                    plq.release();
+                });
             }
         });
     },
 
     queueFail: function(data) {
-        if(!data) {
+        if (!data || data === true) {
             data = "Queue failed.  Check your link to make sure it is valid.";
         }
+        var alerts = $(".qfalert");
+        for (var i = 0; i < alerts.length; i++) {
+            var al = $(alerts[i]);
+            var cl = al.clone();
+            cl.children().remove();
+            if (cl.text() === data) {
+                var tag = al.find(".label-important");
+                if (tag.length > 0) {
+                    var count = parseInt(tag.text().match(/\d+/)[0]) + 1;
+                    tag.text(tag.text().replace(/\d+/, ""+count));
+                } else {
+                    $("<span/>")
+                        .addClass("label label-important pull-right")
+                        .text("+ 1 more")
+                        .appendTo(al);
+                }
+                return;
+            }
+        }
         makeAlert("Error", data, "alert-error")
-            .addClass("span12")
+            .addClass("span12 qfalert")
             .insertBefore($("#extended_controls"));
     },
 
@@ -829,52 +850,40 @@ Callbacks = {
     },
 
     "delete": function(data) {
-        queueAction({
+        PL_ACTION_QUEUE.queue(function (plq) {
-            fn: function () {
+            PL_WAIT_SCROLL = true;
-                PL_WAIT_SCROLL = true;
+            var li = $(".pluid-" + data.uid);
-                var li = $(".pluid-" + data.uid);
+            li.hide("blind", function() {
-                li.hide("blind", function() {
+                li.remove();
-                    li.remove();
+                plq.release();
-                    PL_WAIT_SCROLL = false;
+                PL_WAIT_SCROLL = false;
-                });
+            });
-                return true;
-            }
         });
     },
 
     moveVideo: function(data) {
-        if(data.moveby != CLIENT.name) {
+        if (data.moveby != CLIENT.name) {
-            queueAction({
+            PL_ACTION_QUEUE.queue(function (plq) {
-                fn: function () {
+                playlistMove(data.from, data.after, function () {
-                    playlistMove(data.from, data.after);
+                    plq.release();
-                    return true;
+                });
-                }
             });
         }
     },
 
     setCurrent: function(uid) {
-        queueAction({
+        PL_CURRENT = uid;
-            fn: function () {
+        $("#queue li").removeClass("queue_active");
-                PL_CURRENT = uid;
+        var li = $(".pluid-" + uid);
-                var qli = $("#queue li");
+        if (li.length !== 0) {
-                qli.removeClass("queue_active");
+            li.addClass("queue_active");
-                var li = $(".pluid-" + uid);
+            var tmr = setInterval(function () {
-                if(li.length == 0) {
+                if (!PL_WAIT_SCROLL) {
-                    return false;
+                    scrollQueue();
+                    clearInterval(tmr);
                 }
-
+            }, 100);
-                li.addClass("queue_active");
+        }
-                var timer = setInterval(function () {
-                    if(!PL_WAIT_SCROLL) {
-                        scrollQueue();
-                        clearInterval(timer);
-                    }
-                }, 100);
-                return true;
-            },
-            can_wait: true
-        });
     },
 
     changeMedia: function(data) {

www/assets/js/data.js

@@ -9,7 +9,7 @@ The above copyright notice and this permission notice shall be included in all c
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-var CL_VERSION = "2.0.0";
+var CL_VERSION = "2.4.3";
 
 var CLIENT = {
     rank: -1,
@@ -44,9 +44,6 @@ if($("#videowidth").length > 0) {
     VWIDTH = $("#videowidth").css("width").replace("px", "");
     VHEIGHT = ""+parseInt(parseInt(VWIDTH) * 9 / 16);
 }
-var PL_MOVING = false;
-var PL_ADDING = false;
-var PL_DELETING = false;
 var REBUILDING = false;
 var socket = {
     emit: function() {

www/assets/js/ui.js

@@ -323,9 +323,6 @@ function queue(pos) {
         return;
     }
     var links = $("#mediaurl").val().split(",");
-    if(pos == "next") {
-        links = links.reverse();
-    }
     var parsed = [];
     links.forEach(function(link) {
         var data = parseMediaLink(link);

www/assets/js/util.js

@@ -1191,29 +1191,58 @@ function addLibraryButtons(li, id, source) {
 
 /* queue stuff */
 
-var PL_QUEUED_ACTIONS = [];
+var AsyncQueue = function () {
-var PL_ACTION_INTERVAL = false;
+    this._q = [];
+    this._lock = false;
+    this._tm = 0;
+};
 
-function queueAction(data) {
+AsyncQueue.prototype.next = function () {
-    PL_QUEUED_ACTIONS.push(data);
+    if (this._q.length > 0) {
-    if(PL_ACTION_INTERVAL)
+        if (!this.lock())
-        return;
+            return;
-    PL_ACTION_INTERVAL = setInterval(function () {
+        var item = this._q.shift();
-        var data = PL_QUEUED_ACTIONS.shift();
+        var fn = item[0], tm = item[1];
-        if(!("expire" in data))
+        this._tm = Date.now() + item[1];
-            data.expire = Date.now() + 5000;
+        fn(this);
-        if(!data.fn()) {
+    }
-            if(data.can_wait && Date.now() < data.expire)
+};
-                PL_QUEUED_ACTIONS.push(data);
+
-            else if(Date.now() < data.expire)
+AsyncQueue.prototype.lock = function () {
-                PL_QUEUED_ACTIONS.unshift(data);
+    if (this._lock) {
+        if (this._tm > 0 && Date.now() > this._tm) {
+            this._tm = 0;
+            return true;
         }
-        if(PL_QUEUED_ACTIONS.length == 0) {
+        return false;
-            clearInterval(PL_ACTION_INTERVAL);
+    }
-            PL_ACTION_INTERVAL = false;
+
-        }
+    this._lock = true;
-    }, 100);
+    return true;
-}
+};
+
+AsyncQueue.prototype.release = function () {
+    var self = this;
+    if (!self._lock)
+        return false;
+
+    self._lock = false;
+    self.next();
+    return true;
+};
+
+AsyncQueue.prototype.queue = function (fn) {
+    var self = this;
+    self._q.push([fn, 20000]);
+    self.next();
+};
+
+AsyncQueue.prototype.reset = function () {
+    this._q = [];
+    this._lock = false;
+};
+
+var PL_ACTION_QUEUE = new AsyncQueue();
 
 // Because jQuery UI does weird things
 function playlistFind(uid) {
@@ -1227,10 +1256,12 @@ function playlistFind(uid) {
     return false;
 }
 
-function playlistMove(from, after) {
+function playlistMove(from, after, cb) {
     var lifrom = $(".pluid-" + from);
-    if(lifrom.length == 0)
+    if(lifrom.length == 0) {
-        return false;
+        cb(false);
+        return;
+    }
 
     var q = $("#queue");
 
@@ -1238,24 +1269,26 @@ function playlistMove(from, after) {
         lifrom.hide("blind", function() {
             lifrom.detach();
             lifrom.prependTo(q);
-            lifrom.show("blind");
+            lifrom.show("blind", cb);
         });
     }
     else if(after === "append") {
         lifrom.hide("blind", function() {
             lifrom.detach();
             lifrom.appendTo(q);
-            lifrom.show("blind");
+            lifrom.show("blind", cb);
         });
     }
     else {
         var liafter = $(".pluid-" + after);
-        if(liafter.length == 0)
+        if(liafter.length == 0) {
-            return false;
+            cb(false);
+            return;
+        }
         lifrom.hide("blind", function() {
             lifrom.detach();
             lifrom.insertAfter(liafter);
-            lifrom.show("blind");
+            lifrom.show("blind", cb);
         });
     }
 }