mirror of https://github.com/icedream/ts3bot.git
103 lines
3.0 KiB
CoffeeScript
103 lines
3.0 KiB
CoffeeScript
spawn = require("child_process").spawn
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log = require("../logger")("PulseAudio")
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services = require("../services")
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config = require("../config")
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StreamSplitter = require("stream-splitter")
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require_bin = require("../require_bin")
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pulseaudioPath = require_bin config.get("PULSE_BINARY")
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pacmdPath = require_bin "pacmd"
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module.exports = class PulseAudioService extends services.Service
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dependencies: [
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]
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constructor: -> super "PulseAudio",
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start: (cb) ->
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if @process
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cb? null, @process
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return
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# logging
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forwardLog = (token) =>
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token = token.trim() # get rid of \r
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level = token.substring(0, 1).toUpperCase()
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msg = token.substring token.indexOf("]") + 2
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switch token.substring(0, 1).toUpperCase()
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when "D" then log.silly msg
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when "I" then log.silly msg
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when "W" then log.warn msg
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when "E" then log.error msg
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else log.silly msg
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# spawn options
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opts =
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stdio: ['ignore', 'pipe', 'pipe']
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detached: true
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env:
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DISPLAY: process.env.DISPLAY
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HOME: process.env.HOME
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XDG_RUNTIME_DIR: process.env.XDG_RUNTIME_DIR
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# check if there is already a daemon running
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proc = spawn pulseaudioPath, [ "--check" ], opts
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stderrTokenizer = proc.stderr.pipe StreamSplitter "\n"
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stderrTokenizer.encoding = "utf8";
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stderrTokenizer.on "token", forwardLog
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await proc.once "exit", defer(code, signal)
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@log.silly "PulseAudio daemon check returned that #{if code == 0 then "a daemon is already running" else "no daemon is running"}"
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if code == 0
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@log.warn "PulseAudio already running on this system"
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cb? null, null
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return
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proc = spawn pulseaudioPath, [
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"--start"
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"--fail=true" # quit on startup failure
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"--high-priority=true"
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"--daemonize=false"
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"-v"
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], opts
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calledCallback = false
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# logging
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tokenHandler = (token) =>
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forwardLog token
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if not calledCallback and (token.indexOf("client.conf") >= 0 or token.indexOf("Daemon startup complete.") >= 0)
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calledCallback = true
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@process = proc
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setTimeout (() => cb? null, @process), 1500 # TODO: Use some more stable condition
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stdoutTokenizer = proc.stdout.pipe StreamSplitter "\n"
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stdoutTokenizer.encoding = "utf8"
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stdoutTokenizer.on "token", tokenHandler
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stderrTokenizer = proc.stderr.pipe StreamSplitter "\n"
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stderrTokenizer.encoding = "utf8"
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stderrTokenizer.on "token", tokenHandler
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proc.on "exit", () =>
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if not calledCallback
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calledCallback = true
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cb? new Error "PulseAudio daemon terminated unexpectedly."
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stop: (cb) ->
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if not @process
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cb?()
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return
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@process.kill()
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await @process.once "exit", defer()
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cb?()
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findIndexForProcessId: (pid, cb) => throw new Error "Not implemented yet"
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findIndexForProcessIdSync: (pid) => Sync () => @findIndexForProcessId @, pid
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setSinkInputMute: (index, value, cb) => throw new Error "Not implemented yet"
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setSinkInputMuteSync: (index, value) => Sync () => @setSinkInputMute @, index, value
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mute: (index) => @setSinkInputMute index, 1
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unmute: (index) => @setSinkInputMute index, 0
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