diff --git a/CHANGELOG.md b/CHANGELOG.md
index f570490..debef08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 MumbleDJ Changelog
 ==================
 
+### November 15, 2014
+* Created "v2" branch for Ruby rewrite.
+
 ### November 9, 2014
 * Fixed volume changed message showing wrong value.
 
diff --git a/README.md b/README.md
index ba954fc..d055742 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,6 @@
 MumbleDJ
 ========
-A Mumble bot that plays music fetched from YouTube videos. There are ways to play music with a bot on Mumble already, but I wasn't really satisfied with them. Many of them require the Windows client to be opened along with other applications which is not ideal. My goal with this project is to make a Linux-friendly Mumble bot that can run on a webserver instead of a personal computer.
-
-## Setup
-Since the setup process is a bit extensive, the setup guide can be found in [SETUP.md](https://github.com/matthieugrieger/mumbledj/blob/master/SETUP.md).
-
-## Dependencies
-* [OpenSSL](http://www.openssl.org/)
-* [Lua 5.2](http://www.lua.org/)
-* [libev](http://libev.schmorp.de/)
-* [protobuf-c](https://github.com/protobuf-c/protobuf-c)
-* [Ogg Vorbis](https://xiph.org/vorbis/)
-* [Opus](http://www.opus-codec.org/)
-* [Python 2.6 or above](https://www.python.org/)
-* [pafy](https://github.com/np1/pafy/)
-* [piepan](https://github.com/layeh/piepan)
-* [Jansson](http://www.digip.org/jansson/)
-* [jshon](http://kmkeen.com/jshon/)
-* [ffmpeg](https://www.ffmpeg.org/)
+A Mumble bot that plays music fetched from YouTube videos. I have decided to experiment with rewriting the bot in Ruby using [mumble-ruby](https://github.com/perrym5/mumble-ruby). I am hoping this will cut down on the dependency list, make it easier to develop in the future, and allow for some extra functionality that wasn't previously possible.
 
 ## Author
 [Matthieu Grieger](http://matthieugrieger.com)
diff --git a/mumbledj/config.lua b/mumbledj/config.lua
deleted file mode 100644
index 377ff4e..0000000
--- a/mumbledj/config.lua
+++ /dev/null
@@ -1,174 +0,0 @@
--------------------------
---      MumbleDJ       --
--- By Matthieu Grieger --
--------------------------------------------------
--- config.lua                                  --
--- This is where all the configuration options --
--- for the bot can be set.                     --
--------------------------------------------------
-
-local config = {}
--------------------------
--- GENERAL CONFIGURATION
--------------------------
-
--- Default channel
--- DEFAULT VALUE: "Music"
-config.DEFAULT_CHANNEL = "Music"
-
--- Command prefix
--- DEFAULT VALUE: "!"
-config.COMMAND_PREFIX = "!"
-
--- Show status output in console?
--- DEFAULT VALUE: true
-config.OUTPUT = true
-
--- Default volume (1 being normal volume)
--- DEFAULT VALUE: 0.5
-config.VOLUME = 0.5
-
--- Lowest volume allowed
--- DEFAULT VALUE: 0.01
-config.LOWEST_VOLUME = 0.01
-
--- Highest volume allowed
--- DEFAULT VALUE: 1.5
-config.HIGHEST_VOLUME = 1.5
-
--- Ratio that must be met or exceeded to trigger a song skip.
--- DEFAULT VALUE: 0.5
-config.SKIP_RATIO = 0.5
-
-
--------------------------
--- COMMAND CONFIGURATION
--------------------------
-
--- Alias used for add command.
--- DEFAULT VALUE: "add"
-config.ADD_ALIAS = "add"
-
--- Alias used for skip command.
--- DEFAULT VALUE: "skip"
-config.SKIP_ALIAS = "skip"
-
--- Alias used for volume command.
--- DEFAULT VALUE: "volume"
-config.VOLUME_ALIAS = "volume"
-
--- Alias used for move command.
--- DEFAULT VALUE: "move"
-config.MOVE_ALIAS = "move"
-
--- Alias used for kill command.
--- DEFAULT VALUE: "kill"
-config.KILL_ALIAS = "kill"
-
-
------------------------
--- ADMIN CONFIGURATION
------------------------
-
--- Enable admins (true = on, false = off)
--- DEFAULT VALUE: true
-config.ENABLE_ADMINS = true
-
--- List of admins
--- NOTE: I recommend only giving users admin privileges if they are registered
--- on the server. Otherwise people can just take their username and issue admin
--- commands.
--- EXAMPLE:
--- 	config.ADMINS = {"Matt", "Matthieu"}
-config.ADMINS = {"Matt", "Matthieu"}
-
--- Make add an admin command?
--- DEFAULT VALUE: false
-config.ADMIN_ADD = false
-
--- Make skip an admin command?
--- DEFAULT VALUE: false
-config.ADMIN_SKIP = false
-
--- Make volume an admin command?
--- DEFAULT VALUE: true
-config.ADMIN_VOLUME = true
-
--- Make move an admin command?
--- DEFAULT VALUE: true
-config.ADMIN_MOVE = true
-
--- Make kill an admin command?
--- DEFAULT VALUE: true (I recommend never changing this to false)
-config.ADMIN_KILL = true
-
-
-----------------------
--- CHAT CONFIGURATION
-----------------------
-
--- Enable/disable chat notifications for new songs (true = on, false = off)
--- DEFAULT VALUE: true
-config.SHOW_NOTIFICATIONS = true
-
--------------------------
--- MESSAGE CONFIGURATION
--------------------------
-
--- Message shown to users when they do not have permission to execute a command.
-config.NO_PERMISSION_MSG = "You do not have permission to execute that command."
-
--- Message shown to users when they try to move the bot to a non-existant channel.
-config.CHANNEL_DOES_NOT_EXIST_MSG = "The channel you specified does not exist."
-
--- Message shown to users when they attempt to add an invalid URL to the queue.
-config.INVALID_URL_MSG = "The URL you submitted does not match the required format. Either you did not provide a YouTube URL, or an error occurred during the downloading & encoding process."
-
--- Message shown to users when they attempt to use the stop command when no music is playing.
-config.NO_MUSIC_PLAYING_MSG = "There is no music playing at the moment."
-
--- Message shown to users when they issue a command that requires an argument and one was not supplied.
-config.NO_ARGUMENT = "The command you issued requires an argument and you did not provide one. Make sure a space exists between the command and the argument."
-
--- Message shown to users when they try to change the volume to a value outside the volume range.
-config.NOT_IN_VOLUME_RANGE = "The volume you tried to supply is not in the allowed volume range. The value must be between " .. config.LOWEST_VOLUME .. " and " .. config.HIGHEST_VOLUME .. "."
-
--- Message shown to users when they successfully change the volume.
-config.VOLUME_SUCCESS = "You have successfully changed the volume to the following: %s."
-
-
-----------------------
--- HTML CONFIGURATION
-----------------------
-
--- Message shown to channel when a new song starts playing.
-config.NOW_PLAYING_HTML = [[
-	<table>
-		<tr>
-			<td align="center"><img src="%s" width=150 /></td>
-		</tr>
-		<tr>
-			<td align="center"><b><a href="http://youtu.be/%s">%s</a> (%s)</b></td>
-		</tr>
-		<tr>
-			<td align="center">Added by %s</td>
-		</tr>
-	</table>
-]]
-
--- Message shown to channel when a song is added to the queue by a user.
-config.SONG_ADDED_HTML = [[
-	<b>%s</b> has added "%s" to the queue.
-]]
-
--- Message shown to channel when a user votes to skip a song.
-config.USER_SKIP_HTML = [[
-	<b>%s</b> has voted to skip this song.
-]]
-
--- Message shown to channel when a song has been skipped.
-config.SONG_SKIPPED_HTML = [[
-	The number of votes required for a skip has been met. <b>Skipping song!</b>
-]]
-
-return config
diff --git a/mumbledj/deque.lua b/mumbledj/deque.lua
deleted file mode 100644
index 7899f91..0000000
--- a/mumbledj/deque.lua
+++ /dev/null
@@ -1,156 +0,0 @@
---Copyright (C) 2013-2014 by Pierre Chapuis
---
---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.
-
-local push_right = function(self, x)
-  assert(x ~= nil)
-  self.tail = self.tail + 1
-  self[self.tail] = x
-end
-
-local push_left = function(self, x)
-  assert(x ~= nil)
-  self[self.head] = x
-  self.head = self.head - 1
-end
-
-local peek_right = function(self)
-  return self[self.tail]
-end
-
-local peek_left = function(self)
-  return self[self.head+1]
-end
-
-local pop_right = function(self)
-  if self:is_empty() then return nil end
-  local r = self[self.tail]
-  self[self.tail] = nil
-  self.tail = self.tail - 1
-  return r
-end
-
-local pop_left = function(self)
-  if self:is_empty() then return nil end
-  local r = self[self.head+1]
-  self.head = self.head + 1
-  local r = self[self.head]
-  self[self.head] = nil
-  return r
-end
-
-local rotate_right = function(self, n)
-  n = n or 1
-  if self:is_empty() then return nil end
-  for i=1,n do self:push_left(self:pop_right()) end
-end
-
-local rotate_left = function(self, n)
-  n = n or 1
-  if self:is_empty() then return nil end
-  for i=1,n do self:push_right(self:pop_left()) end
-end
-
-local _remove_at_internal = function(self, idx)
-  for i=idx, self.tail do self[i] = self[i+1] end
-  self.tail = self.tail - 1
-end
-
-local remove_right = function(self, x)
-  for i=self.tail,self.head+1,-1 do
-    if self[i] == x then
-      _remove_at_internal(self, i)
-      return true
-    end
-  end
-  return false
-end
-
-local remove_left = function(self, x)
-  for i=self.head+1,self.tail do
-    if self[i] == x then
-      _remove_at_internal(self, i)
-      return true
-    end
-  end
-  return false
-end
-
-local length = function(self)
-  return self.tail - self.head
-end
-
-local is_empty = function(self)
-  return self:length() == 0
-end
-
-local contents = function(self)
-  local r = {}
-  for i=self.head+1,self.tail do
-    r[i-self.head] = self[i]
-  end
-  return r
-end
-
-local iter_right = function(self)
-  local i = self.tail+1
-  return function()
-    if i > self.head+1 then
-      i = i-1
-      return self[i]
-    end
-  end
-end
-
-local iter_left = function(self)
-  local i = self.head
-  return function()
-    if i < self.tail then
-      i = i+1
-      return self[i]
-    end
-  end
-end
-
-local methods = {
-  push_right = push_right,
-  push_left = push_left,
-  peek_right = peek_right,
-  peek_left = peek_left,
-  pop_right = pop_right,
-  pop_left = pop_left,
-  rotate_right = rotate_right,
-  rotate_left = rotate_left,
-  remove_right = remove_right,
-  remove_left = remove_left,
-  iter_right = iter_right,
-  iter_left = iter_left,
-  length = length,
-  is_empty = is_empty,
-  contents = contents,
-}
-
-local new = function()
-  local r = {head = 0, tail = 0}
-  return setmetatable(r, {__index = methods})
-end
-
-return {
-  new = new,
-}
diff --git a/mumbledj/download_audio.py b/mumbledj/download_audio.py
deleted file mode 100644
index 492a489..0000000
--- a/mumbledj/download_audio.py
+++ /dev/null
@@ -1,44 +0,0 @@
-#---------------------#
-#      MumbleDJ       #
-# By Matthieu Grieger #
-#---------------------#--------------------------------------------------#
-# download_audio.py                                                      #
-# Downloads audio (ogg format) from specified YouTube ID. If no ogg file #
-# exists, it creates an empty file called .video_fail that tells the Lua #
-# side of the program that the download failed. .video_fail will get     #
-# deleted on the next successful download.                               #
-#------------------------------------------------------------------------#
-
-import pafy
-from sys import argv
-from os.path import isfile
-from os import remove, system
-from time import sleep
-
-url = argv[1]
-video = pafy.new(url)
-
-try:
-	video.oggstreams[0].download(filepath = 'song.ogg', quiet = True)
-	if isfile('.video_fail'):
-		remove('.video_fail')
-except:
-	with open('.video_fail', 'w+') as f:
-		f.close()
-		
-while isfile('song.ogg.temp'):
-	sleep(1)
-
-if isfile('song.ogg'):
-	system('ffmpeg -i song.ogg -acodec libvorbis -ar 48000 -ac 1 -loglevel quiet song-converted.ogg -y')
-else:
-	with open('.video_fail', 'w+') as f:
-		f.close()
-
-if not isfile('.video_fail'):
-	while not isfile('song-converted.ogg'):
-		sleep(1)
-
-if isfile('song.ogg'):
-	remove('song.ogg')
-
diff --git a/mumbledj/mumbledj.lua b/mumbledj/mumbledj.lua
deleted file mode 100644
index baf2d7b..0000000
--- a/mumbledj/mumbledj.lua
+++ /dev/null
@@ -1,357 +0,0 @@
--------------------------
---      MumbleDJ       --
--- By Matthieu Grieger --
-------------------------------------------------------------------
--- mumbledj.lua                                                 --
--- The main file which defines most of MumbleDJ's behavior. All --
--- commands are found here, and most of their implementation.   --
-------------------------------------------------------------------
-
-local config = require("config")
-local deque = require("deque")
-
--- Connects to Mumble server.
-function piepan.onConnect()
-	print(piepan.me.name .. " has connected to the server!")
-	local user = piepan.users[piepan.me.name]
-	local channel = user.channel(config.DEFAULT_CHANNEL)
-	if channel == nil then
-		print("The channel '" .. config.DEFAULT_CHANNEL .. "' does not exist. Moving bot to root of server...")
-		channel = piepan.channels[0]
-	end
-	piepan.me:moveTo(channel)
-end
-
--- Function that is called when a new message is posted to the channel.
-function piepan.onMessage(message)
-	if message.user == nil then
-		return
-	end
-
-	if string.sub(message.text, 0, 1) == config.COMMAND_PREFIX then
-		parse_command(message)
-	end
-end
-
--- Parses commands and its arguments (if they exist), and calls the appropriate
--- functions for doing the requested task.
-function parse_command(message)
-	local command = ""
-	local argument = ""
-	if string.find(message.text, " ") then
-		command = string.sub(message.text, 2, string.find(message.text, ' ') - 1)
-		argument = string.sub(message.text, string.find(message.text, ' ') + 1)
-	else
-		command = string.sub(message.text, 2)
-	end
-	
-	-- Add command
-	if command == config.ADD_ALIAS then
-		local has_permission = check_permissions(config.ADMIN_ADD, message.user.name)
-		
-		if has_permission then
-			if config.OUTPUT then 
-				print(message.user.name .. " has added a song to the queue.")
-				if not add_song(argument, message.user.name) then
-					message.user:send(config.INVALID_URL_MSG)
-				end
-			end
-		else
-			message.user:send(config.NO_PERMISSION_MSG)
-		end
-	-- Skip command
-	elseif command == config.SKIP_ALIAS then
-		local has_permission = check_permissions(config.ADMIN_SKIP, message.user.name)
-		
-		if has_permission then
-			if config.OUTPUT then 
-				print(message.user.name .. " has voted to skip the current song.")
-			end
-			
-			skip(message.user.name)
-		else
-			message.user:send(config.NO_PERMISSION_MSG)
-		end
-	-- Volume command
-	elseif command == config.VOLUME_ALIAS then
-		local has_permission = check_permissions(config.ADMIN_VOLUME, message.user.name)
-		
-		if has_permission then
-			if config.OUTPUT then
-				print(message.user.name .. " has changed the volume to the following: " .. argument .. ".")
-				if argument ~= nil then
-					if config.LOWEST_VOLUME <= tonumber(argument) and tonumber(argument) <= config.HIGHEST_VOLUME then
-						config.VOLUME = tonumber(argument)
-						message.user:send(string.format(config.VOLUME_SUCCESS, argument))
-					else
-						message.user:send(config.NOT_IN_VOLUME_RANGE)
-					end
-				else
-					message.user:send(config.NO_ARGUMENT)
-				end
-			end
-		end
-	-- Move command
-	elseif command == config.MOVE_ALIAS then
-		local has_permission = check_permissions(config.ADMIN_MOVE, message.user.name)
-		
-		if has_permission then
-			if config.OUTPUT then 
-				print(message.user.name .. " has told the bot to move to the following channel: " .. argument .. ".")
-			end
-			if not move(argument) then
-				message.user:send(config.CHANNEL_DOES_NOT_EXIST_MSG)
-			end
-		else
-			message.user:send(config.NO_PERMISSION_MSG)
-		end
-	-- Kill command
-	elseif command == config.KILL_ALIAS then
-		local has_permission = check_permissions(config.ADMIN_KILL, message.user.name)
-		
-		if has_permission then
-			if config.OUTPUT then 
-				print(message.user.name .. " has told the bot to kill itself.")
-			end
-			kill()
-		else
-			message.user:send(config.NO_PERMISSION_MSG)
-		end
-	else
-		message.user:send("The command you have entered is not valid.")
-	end
-end
-
--- Handles a skip request through the use of helper functions found within
--- song_queue.lua. Once done processing, it will compare the skip ratio with
--- the one defined in the settings and decide whether to skip the current song
--- or not.
-function skip(username)
-	if add_skip(username) then
-		local skip_ratio = count_skippers() / count_users()
-		piepan.me.channel:send(string.format(config.USER_SKIP_HTML, username))
-		if skip_ratio > config.SKIP_RATIO then
-			piepan.me.channel:send(config.SONG_SKIPPED_HTML)
-			piepan.Audio:stop()
-			next_song()
-		end
-	end
-end
-
--- Moves the bot to the channel specified by the "chan" argument.
--- NOTE: This only supports moving to a sibling channel at the moment.
-function move(chan)
-	local user = piepan.users[piepan.me.name]
-	local channel = user.channel("../" .. chan)
-	if channel == nil then
-		return false
-	else
-		piepan.me:moveTo(channel)
-		return true
-	end
-end
-
--- Performs functions that allow the bot to safely exit.
-function kill()
-	os.remove("song.ogg")
-	os.remove("song-converted.ogg")
-	os.remove(".video_fail")
-	piepan.disconnect()
-	os.exit(0)
-end
-
--- Checks the permissions of a user against the config to see if they are
--- allowed to execute a certain command.
-function check_permissions(ADMIN_COMMAND, username)
-	if config.ENABLE_ADMINS and ADMIN_COMMAND then
-		return is_admin(username)
-	end
-	
-	return true
-end
-
--- Checks if a user is an admin, as specified in config.lua.
-function is_admin(username)
-	for _,user in pairs(config.ADMINS) do
-		if user == username then
-			return true
-		end
-	end
-	
-	return false
-end
-
--- Switches to the next song.
-function next_song()
-	reset_skips()
-	if get_length() ~= 0 then
-		local success = get_next_song()
-		if not success then
-			piepan.me.channel:send("An error occurred while preparing the next track. Skipping...")
-		end
-	end
-end
-
--- Checks if a file exists.
-function file_exists(file)
-	local f=io.open(file,"r")
-	if f~=nil then io.close(f) return true else return false end
-end
-
--- Returns the number of users in the Mumble server.
-function count_users()
-	local user_count = -1 -- Set to -1 to account for the bot
-	for name,_ in pairs(piepan.users) do
-		user_count = user_count + 1
-	end
-	return user_count
-end
-
--------------------------------------------------
--- Song Queue Stuff                            --
--- Contains the definition of the song queue   --
--- used for queueing up songs.                 --
--------------------------------------------------
-
-local song_queue = deque.new()
-local skippers = {}
-
--- Begins the process of adding a new song to the song queue.
-function add_song(url, username)
-	local patterns = {
-		"https?://www%.youtube%.com/watch%?v=([%d%a_%-]+)",
-		"https?://youtube%.com/watch%?v=([%d%a_%-]+)",
-		"https?://youtu.be/([%d%a_%-]+)",
-		"https?://youtube.com/v/([%d%a_%-]+)",
-		"https?://www.youtube.com/v/([%d%a_%-]+)"
-	}
-	
-	for _,pattern in ipairs(patterns) do
-		local video_id = string.match(url, pattern)
-		if video_id ~= nil and string.len(video_id) < 20 then
-			return get_youtube_info(video_id, username)
-		else
-			return false
-		end
-	end
-end
-
--- Retrieves the metadata for the specified YouTube video via the gdata API.
-function get_youtube_info(id, username)
-	if id == nil then
-		return false
-	end
-	local cmd = [[
-		wget -q -O - 'http://gdata.youtube.com/feeds/api/videos/%s?v=2&alt=jsonc' |
-		jshon -Q -e data -e title -u -p -e duration -u -p -e thumbnail -e hqDefault -u
-	]]
-	local jshon = io.popen(string.format(cmd, id))
-	local name = jshon:read()
-	local duration = jshon:read()
-	local thumbnail = jshon:read()
-	if name == nil or duration == nil then
-		return false
-	end
-	
-	return youtube_info_completed({
-		id = id,
-		title = name,
-		duration = string.format("%d:%02d", duration / 60, duration % 60),
-		thumbnail = thumbnail,
-		username = username
-	})
-end
-
--- Notifies the channel that a song has been added to the queue, and plays the
--- song if it is the first one in the queue.
-function youtube_info_completed(info)
-	if info == nil then
-		return false
-	end
-	
-	song_queue:push_right(info)
-	
-	local message = string.format(config.SONG_ADDED_HTML, info.username, info.title)
-	piepan.me.channel:send(message)
-	
-	if not piepan.Audio.isPlaying() then
-		return get_next_song()
-	end
-	
-	return true
-end
-
--- Deletes the old song and begins the process of retrieving a new one.
-function get_next_song()
-	reset_skips()
-	if file_exists("song-converted.ogg") then
-		os.remove("song-converted.ogg")
-	end
-	if song_queue:length() ~= 0 then
-		local next_song = song_queue:pop_left()
-		return start_song(next_song)
-	end
-end
-
--- Downloads/encodes the audio file and then begins to play it.
-function start_song(info)
-	os.execute("python download_audio.py " .. info.id)
-	if not file_exists(".video_fail") then
-		while not file_exists("song-converted.ogg") do
-			os.execute("sleep " .. tonumber(2))
-		end
-		if piepan.Audio:isPlaying() then
-			piepan.Audio:stop()
-		end
-		piepan.me.channel:play({filename="song-converted.ogg", volume=config.VOLUME}, get_next_song)
-	else
-		return false
-	end
-	
-	if piepan.Audio:isPlaying() then
-		local message = string.format(config.NOW_PLAYING_HTML, info.thumbnail, info.id, info.title, info.duration, info.username)
-		piepan.me.channel:send(message)
-		return true
-	end
-	
-	return false
-end
-
--- Adds the username of a user who requested a skip. If their name is
--- already in the list nothing will happen.
-function add_skip(username)
-	local already_skipped = false
-	for _,name in pairs(skippers) do
-		if name == username then
-			already_skipped = true
-		end
-	end
-	if not already_skipped then
-		table.insert(skippers, username)
-		return true
-	end
-
-	return false
-end
-
--- Counts the number of users who would like to skip the current song and
--- returns it.
-function count_skippers()
-	local skipper_count = 0
-	for name,_ in pairs(skippers) do
-		skipper_count = skipper_count + 1
-	end
-
-	return skipper_count
-end
-
--- Resets the list of users who would like to skip a song. Called during a
--- transition between songs.
-function reset_skips()
-	skippers = {}
-end
-
--- Retrieves the length of the song queue and returns it.
-function get_length()
-	return song_queue:length()
-end