# Connection to a MPD server
class MPDConnection
- var socket: nullable Socket = null
+ # Socket connection to server.
+ var socket: nullable TCPStream = null
+
+ # Server hostname.
var host: String
+
+ # Server port.
var port: Int
+
+ # Server password.
var password: nullable String
+ # Last occured error.
var error: nullable String = null
# Connect to the MPD server
fun connect
do
- var p: nullable Socket = null
+ var p: nullable TCPStream = null
- p = new Socket.stream_with_host(host, port)
- p.connect
+ p = new TCPStream.connect(host, port)
+ assert p.connected
sys.nanosleep(0,5000)
- var rep = p.read
+ var rep = p.read(1024)
assert not rep.is_empty
if not rep.has_prefix("OK") then
print "MPD responded {rep}"
socket.write(msg)
sys.nanosleep(0,5000)
- var rep = socket.read
- assert rep.has_prefix("OK") else print "MPD responded {rep}"
+ var rep = socket.read(1024)
+ if not rep.has_prefix("OK") then
+ print "Error: MPD responded {rep}"
+ socket.close
+ socket = null
+ end
end
# Get MPD server status
var volume: nullable Int = null
var state: nullable String = null
+ var elapsed: nullable Int = null
+ var time_at: nullable Int = null
+ var time_total: nullable Int = null
# get current status
socket.write("status\n")
- var rep = socket.read
+ var rep = socket.read(1024)
for l in rep.split_with("\n") do
var words = l.split_with(" ")
if words.length > 1 then
var key = words[0].to_lower
- var first_space = l.index_of(' ')
+ var first_space = l.chars.index_of(' ')
var rest = l.substring_from(first_space+1)
if key == "volume:" then
volume = rest.to_i
if volume == -1 then volume = null
- else if key == "volume:" then
+ else if key == "state:" then
state = rest
+ else if key == "elapsed:" then
+ elapsed = rest.to_i
+ else if key == "time:" then
+ var times = rest.split(":")
+ time_at = times[0].to_i
+ time_total = times[1].to_i
end
end
end
if state != null then
- return new ServerStatus(volume, state)
+ var status = new ServerStatus(volume, state, elapsed, time_at, time_total)
+ return status
else
return null
end
error = "Cannot get volume"
end
+ # Set MPD server volume.
fun volume=(vol: Int) do write_and_check("setvol {vol}\n")
# Pause music playing on the MPD server
var album: nullable String = null
var artist: nullable String = null
var title: nullable String = null
+ var time: nullable Int = null
socket.write("currentsong\n")
- var rep = socket.read
+ var rep = socket.read(1024)
for l in rep.split_with("\n") do
var words = l.split_with(" ")
if words.length > 1 then
var key = words[0].to_lower
- var first_space = l.index_of(' ')
+ var first_space = l.chars.index_of(' ')
var rest = l.substring_from(first_space+1)
if key == "album:" then
album = rest
artist = rest
else if key == "title:" then
title = rest
+ else if key == "time:" then
+ time = rest.to_i
end
end
end
- if album != null and artist != null and title != null then
- return new SongInfo(album, artist, title)
+ if album != null and artist != null and
+ title != null and time != null then
+ return new SongInfo(album, artist, title, time)
else
return null
end
end
+
+ # Load playlist named `name`.
+ fun load_playlist(name: String)
+ do
+ write_and_check "load \"{name}\""
+ end
end
# MPD song info
class SongInfo
+ # Song album.
var album: String
+
+ # Song artist.
var artist: String
+
+ # Song title.
var title: String
+
+ # Song total duration.
+ var time: Int
end
# MPD server status
class ServerStatus
+
+ # MPD server volume.
var volume: nullable Int
+
+ # Playback state (play/stop/pause).
var state: String
+
+ # Is MPD server playing?
+ fun playing: Bool do return state == "play"
+
+ # Is MPD server stopped?
+ fun stopped: Bool do return state == "stop"
+
+ # Time elapsed within the current song.
+ var elapsed: nullable Int
+
+ # TODO comment
+ var time_at: nullable Int
+
+ # Total time of the current song.
+ var time_total: nullable Int
+
+ # Get the cursor position on the song duration.
+ fun time_ratio: nullable Float do
+ if time_at == null or time_total == null then return null
+ return time_at.to_f / time_total.to_f
+ end
+
+ redef fun to_s do
+ var vol = "unknown"
+ if volume != null then vol = volume.to_s
+
+ var time_at = time_at
+ var time_total = time_total
+ var elapsed = elapsed
+ if time_at != null and time_total != null and elapsed != null then
+ return "volume: {vol}\nstate: {state}\nelapsed: {elapsed}\ntime_[at|total]: {time_at}:{time_total}\ntime_ratio: {time_ratio.as(not null)}"
+ else
+ return "volume: {vol}\nstate: {state}"
+ end
+ end
end
nitlanguage / nit.git / blobdiff