shairport init

gistfile1.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:          shairport
# Required-Start:    $remote_fs $networking
# Required-Stop:     $remote_fs $networking
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       shairport daemon
### END INIT INFO

#SCRIPT="/usr/local/bin/shairport -d -a catel -p 5003"
SCRIPT="/usr/local/bin/shairport -d -a catel"
RUNAS=shairport

# log in home directory since running as user 'shairport'
LOGFILE=/home/shairport/shairport.log

# regex to find existing prcess. letter in [u] to avoid grep finding its own process.
PIDREG='/[u]sr/local/bin/shairport '

start() {
  if ps aux | grep "$PIDREG"; then
    echo 'Service already running' >&2
    return 1
  fi
  echo 'Starting service…' >&2
  killall -KILL pulseaudio
  sleep 1

  # fist start pulseaudio. shairport would start it anyway. but if we let shairport start
  # it, we get cracking noise. not exactly sure what's the problem here.
  su -c "/usr/bin/pulseaudio --start --log-target=syslog" $RUNAS
  sleep 10
  su -c "$SCRIPT &> \"$LOGFILE\" &" $RUNAS
  echo 'Service started' >&2
}

stop() {
  if ! ps aux | grep "$PIDREG"; then
    echo 'Service not running' >&2
    return 1
  fi
  echo 'Stopping service…' >&2
  # pkill will also kill child processes. the bonjour announcer is a separate task.
  pkill -TERM -P `ps aux | grep "$PIDREG" | awk '{print $2}'`
  echo 'Service stopped' >&2
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    stop
    start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart}"
esac