Minecraft服务器定时重启脚本

schedule-restart

#!/bin/env ruby

self_name = File.basename($0)
argv = ARGV
if argv.size < 2
  puts "Usage: #{self_name} <screen-name> <command> [screen-select]"
  exit 1
end

$screen_name = argv[0]
command = argv[1]
$screen_select = argv[2]

def send_command(cmd)
  select_arg = $screen_select == nil ? "" : " -p '#{$screen_select}'"
  cmd = %{screen -xr #{$screen_name}#{select_arg} -X stuff '#{cmd}\n'}
  puts "Run: #{cmd}"
  system cmd
end

loop do
  # restart the server with interval of 40 minutes
  sleep 40 * 60
  send_command "say server will be restarted in 5 minutes"
  sleep 5 * 60
  send_command "say server will be restarted in 1 minute"
  sleep 1 * 60
  send_command "say restarting..."

  # stop and then relaunch the command
  send_command "save-all"
  send_command "stop"
  # wait for the server to stop
  sleep 1 * 60
  # restart
  send_command command

  # estimate the time to restart the server (10 minutes), do a time skip, and then loop again
  # to schedule the next restart
  sleep 10 * 60
end