op-packages/luci-app-cqustdotnet/root/etc/init.d/cqustdotnet

#!/bin/sh /etc/rc.common

START=99
STOP=10

CONFIG=cqustdotnet
APP_FILE=/usr/share/${CONFIG}/app.lua
LOCK_FILE_DIR=/var/lock
LOCK_FILE=${LOCK_FILE_DIR}/${CONFIG}.lock

set_lock() {
  if [ ! -d "$LOCK_FILE_DIR" ]; then
    mkdir -p "$LOCK_FILE_DIR"
  fi
  exec 789>"$LOCK_FILE"
  flock -xn 789
}

unset_lock() {
  flock -u 789
  rm -rf "$LOCK_FILE"
}

unlock() {
  local fail_count=1
  while [ "$fail_count" -le 10 ]; do
    if [ -f "$LOCK_FILE" ]; then
      let "fail_count++"
      sleep 1s
      if [ "$fail_count" -ge 10 ]; then
        unset_lock
      fi
    else
      break
    fi
  done
}

boot() {
  $APP_FILE boot
}

start() {
  set_lock
  if [ $? == 1 ]; then
    $APP_FILE log '脚本已在运行，不再重复运行，退出'
    exit 0
  fi
  $APP_FILE start
  unset_lock
}

stop() {
  unlock
  set_lock
  if [ $? == 1 ]; then
    $APP_FILE log '停止脚本等待超时，不重复运行，退出'
    exit 0
  fi
  $APP_FILE stop
  unset_lock
}

restart() {
  set_lock
  if [ $? == 1 ]; then
    $APP_FILE log '脚本已在运行，不重复运行，退出'
    exit 0
  fi
  $APP_FILE stop
  $APP_FILE start
  unset_lock
}

disable() {
  rm -f "$IPKG_INSTROOT"/etc/rc.d/S??${CONFIG}
  rm -f "$IPKG_INSTROOT"/etc/rc.d/K??${CONFIG}
}

enable() {
  err=1
  if [ "$START" ]; then
    ln -sf "../init.d/${CONFIG}" "$IPKG_INSTROOT/etc/rc.d/S${START}${CONFIG}"
    err=0
  fi
  if [ "$STOP" ]; then
    ln -sf "../init.d/${CONFIG}" "$IPKG_INSTROOT/etc/rc.d/K${STOP}${CONFIG}"
    err=0
  fi
  return $err
}

enabled() {
  [ -x "$IPKG_INSTROOT/etc/rc.d/S${START}${CONFIG}" ]
}