warzone2100/tools/masterserver/wzmasterserver.py

156 lines
5.0 KiB
Python

#!/usr/bin/python
#
# This file is part of the Warzone 2100 Resurrection Project.
# Copyright (c) 2007 Warzone 2100 Resurrection Project
#
# Warzone 2100 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# You should have received a copy of the GNU General Public License
# along with Warzone 2100; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
################################################################################
# Get the things we need.
import sys
import SocketServer
import thread
import struct
import socket
#
################################################################################
# Settings.
gamePort = 9999 # Gameserver port.
lobbyPort = 9998 # Lobby port.
lobbyDbg = True # Enable debugging.
gsSize = 112 # Size of GAMESTRUCT in byte.
ipOffset = 64+4+4 # 64 byte StringSize + SDWORD + SDWORD
gameList = set() # Holds the list.
listLock = thread.allocate_lock()
#
################################################################################
# Socket Handler.
class RequestHandler(SocketServer.ThreadingMixIn, SocketServer.StreamRequestHandler):
def handle(self):
# Read the incoming command.
netCommand = self.rfile.read(4)
# Skip the trailing NULL.
self.rfile.read(1)
#################################
# Process the incoming command. #
#################################
# Add a game.
if netCommand == 'addg':
# Debug
if lobbyDbg:
print "<- addg"
# Fix the server address.
gameHost = self.client_address[0]
# Check we can connect to the host
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
if lobbyDbg:
print " \- Checking gameserver's vitality..."
s.settimeout(10.0)
s.connect((gameHost, gamePort))
except:
if lobbyDbg:
print " \- Gameserver did not respond!"
s.close()
return
# The host is valid, close the socket and continue
if lobbyDbg:
print " \- Adding gameserver."
s.close()
while len(gameHost) < 16:
gameHost += '\0'
currentGameData = None
# and start receiving updates about the game
while True:
# Receive the gamestruct.
try:
newGameData = self.rfile.read(gsSize)
except:
newGameData = None
# remove the previous data from the list
if currentGameData:
listLock.acquire()
try:
if lobbyDbg:
print "Removing game from", self.client_address[0]
gameList.remove(currentGameData)
finally:
listLock.release()
if not newGameData:
# incomplete data
break
# Update the new gameData whith the gameHost
currentGameData = newGameData[:ipOffset] + gameHost + newGameData[ipOffset+16:]
# Put the game in the database
listLock.acquire()
try:
if lobbyDbg:
print " \- Adding game from", self.client_address[0]
gameList.add(currentGameData)
finally:
listLock.release()
# Get a game list.
elif netCommand == 'list':
# Debug
if lobbyDbg:
print "<- list"
print " \- I know ", len(gameList), " games."
# Lock the gamelist to prevent new games while output.
listLock.acquire()
# Transmit the length of the following list as unsigned integer (in network byte-order: big-endian).
count = struct.pack('!I', len(gameList))
self.wfile.write(count)
# Transmit the single games.
for game in gameList:
self.wfile.write(game)
# Remove the lock.
listLock.release()
# If something unknown apperas.
else:
print "Recieved a unknown command: ", netCommand
#
################################################################################
# The legendary Main.
if __name__ == '__main__':
print "Starting Warzone 2100 lobby server on port ", lobbyPort
SocketServer.ThreadingTCPServer.allow_reuse_address = True
tcpserver = SocketServer.ThreadingTCPServer(('0.0.0.0', lobbyPort), RequestHandler)
tcpserver.serve_forever()