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#-- vim:sw=2:et
#++
#
# :title: Half-Life 2 plugin for rbot
#
# Author:: Ole Christian Rynning <oc@rynning.no>
# Author:: Andrew Northall <cubehat@gmail.com>
# Copyright:: (C) 2006 Ole Christian Rynning & Andrew Northall
# License:: GPL v2
#
# Simple Half-Life 2 (Source Engine) plugin to query online
# servers to see if its online and kicking and how many users.
#
# Added 2 seconds timeout to the response. And sockets are now
# closing properly.
#
# Server presets can be added by using 'hl2 add name addr:port'
# and 'hl2 del name'. Once presets are added they are accessed
# as 'hl2 name'.
require 'socket'
require 'timeout'
class HL2Plugin < Plugin
A2S_INFO = "\xFF\xFF\xFF\xFF\x54\x53\x6F\x75\x72\x63\x65\x20\x45\x6E\x67\x69\x6E\x65\x20\x51\x75\x65\x72\x79\x00"
TIMEOUT = 2
def a2s_info(addr, port)
socket = UDPSocket.new()
begin
socket.send(A2S_INFO, 0, addr, port.to_i)
response = nil
timeout(TIMEOUT) do
response = socket.recvfrom(1400,0)
end
rescue Exception => e
error e
end
socket.close()
response ? response.first.unpack("iACZ*Z*Z*Z*sCCCaaCCZ*") : nil
end
def help(plugin, topic="")
case topic
when ""
return "hl2 'server:port'/'preset name' => show basic information about the given server. See also 'hl2 add' and 'hl2 del'"
when "add"
return "hl2 add 'name' 'server:port' => add a preset."
when "del"
return "hl2 del 'name' => remove a preset."
end
end
def hl2(m, params)
addr, port = params[:conn_str].split(':')
if port == nil
@registry.each_key do
|key|
if addr.downcase == key.downcase
addr, port = @registry[key]
end
end
end
m.reply "invalid server" if port == nil
return if port == nil
info = a2s_info(addr, port)
if info
m.reply "#{info[3]} (#{info[6]}): #{info[8]}/#{info[9]} - #{info[4]}"
else
m.reply "Couldn't connect to #{params[:conn_str]}"
end
end
def add_server(m, params)
@registry[params[:name]] = params[:conn_str].split(':')
m.okay
end
def rem_server(m, params)
if @registry.has_key?(params[:name]) == false
m.reply "but i don't know it!"
return
end
@registry.delete params[:name]
m.okay
end
end
plugin = HL2Plugin.new
plugin.default_auth('edit', false)
plugin.map 'hl2 :conn_str', :thread => true
plugin.map 'hl2 add :name :conn_str', :thread => true, :action => :add_server, :auth_path => 'edit'
plugin.map 'hl2 del :name', :thread => true, :action => :rem_server, :auth_path => 'edit'
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