/usr/share/kde4/apps/kajongg/server.py is in kajongg 4:4.14.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- coding: utf-8 -*-
"""
Copyright (C) 2009-2014 Wolfgang Rohdewald <wolfgang@rohdewald.de>
Kajongg 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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The DBPasswordChecker is based on an example from the book
Twisted Network Programming Essentials by Abe Fettig, 2006
O'Reilly Media, Inc., ISBN 0-596-10032-9
"""
import sys, os, random, traceback
if os.name != 'nt':
import resource
import datetime, logging
from itertools import chain
def cleanExit(*dummyArgs):
"""we want to cleanly close sqlite3 files"""
if Options.socket and os.name != 'nt':
if os.path.exists(Options.socket):
os.remove(Options.socket)
try:
if Internal.db:
Internal.db.close() # setting to None does not call close(), do we need close?
logging.shutdown()
os._exit(0) # pylint: disable=protected-access
except NameError:
logging.shutdown()
try:
reactor.stop()
except NameError:
sys.exit(0)
except ReactorNotRunning:
pass
from signal import signal, SIGABRT, SIGINT, SIGTERM
signal(SIGABRT, cleanExit)
signal(SIGINT, cleanExit)
signal(SIGTERM, cleanExit)
if os.name != 'nt':
from signal import SIGHUP, SIGQUIT
signal(SIGHUP, cleanExit)
signal(SIGQUIT, cleanExit)
from common import Options, Internal
Internal.isServer = True
Internal.logPrefix = 'S'
from twisted.spread import pb
from twisted.internet import error
from twisted.internet.defer import maybeDeferred, fail, succeed
from zope.interface import implements
from twisted.cred import checkers, portal, credentials, error as credError
from twisted.internet import reactor
from twisted.internet.error import ReactorNotRunning
reactor.addSystemEventTrigger('before', 'shutdown', cleanExit)
Internal.reactor = reactor
from tile import Tile, TileList, elements
from game import PlayingGame
from player import Players
from wall import WallEmpty
from client import Client, Table
from query import Query, initDb
from meld import Meld, MeldList
from log import m18n, m18nE, m18ncE, logDebug, logWarning, logError, SERVERMARK
from util import Duration, elapsedSince
from message import Message, ChatMessage
from common import Debug
from sound import Voice
from deferredutil import DeferredBlock
from rule import Ruleset
def srvMessage(*args):
"""concatenate all args needed for m18n encoded in one string.
For an explanation see util.translateServerString"""
strArgs = []
for arg in args:
if isinstance(arg, unicode):
arg = arg.encode('utf-8')
elif not isinstance(arg, str):
arg = str(arg)
strArgs.append(arg)
return SERVERMARK+SERVERMARK.join(strArgs)+SERVERMARK
def srvError(cls, *args):
"""raise an exception, passing args as a single string"""
raise cls(srvMessage(*args))
class DBPasswordChecker(object):
"""checks against our sqlite3 databases"""
implements(checkers.ICredentialsChecker)
credentialInterfaces = (credentials.IUsernamePassword,
credentials.IUsernameHashedPassword)
def requestAvatarId(self, cred): # pylint: disable=no-self-use
"""get user id from database"""
cred.username = cred.username.decode('utf-8')
args = cred.username.split(SERVERMARK)
if len(args) > 1:
if args[0] == 'adduser':
cred.username = args[1]
password = args[2]
query = Query('insert or ignore into player(name,password) values(?,?)', (cred.username, password))
elif args[1] == 'deluser':
pass
query = Query('select id, password from player where name=?', (cred.username,))
if not len(query.records):
template = 'Wrong username: %1'
if Debug.connections:
logDebug(m18n(template, cred.username))
return fail(credError.UnauthorizedLogin(srvMessage(template, cred.username)))
userid, password = query.records[0]
# checkPassword uses md5 which cannot handle unicode strings (python 2.7)
defer1 = maybeDeferred(cred.checkPassword, password.encode('utf-8'))
defer1.addCallback(DBPasswordChecker._checkedPassword, userid)
return defer1
@staticmethod
def _checkedPassword(matched, userid):
"""after the password has been checked"""
if not matched:
return fail(credError.UnauthorizedLogin(srvMessage(m18nE('Wrong password'))))
return userid
class ServerGame(PlayingGame):
"""the central game instance on the server"""
# pylint: disable=too-many-arguments, too-many-public-methods
def __init__(self, names, ruleset, gameid=None, wantedGame=None,
client=None, playOpen=False, autoPlay=False):
PlayingGame.__init__(self, names, ruleset, gameid, wantedGame, client, playOpen, autoPlay)
self.shouldSave = True
def throwDices(self):
"""sets random living and kongBox
sets divideAt: an index for the wall break"""
self.wall.tiles.sort()
self.randomGenerator.shuffle(self.wall.tiles)
PlayingGame.throwDices(self)
def initHand(self):
"""Happens only on server: every player gets 13 tiles (including east)"""
self.throwDices()
self.wall.divide()
for player in self.players:
player.clearHand()
# 13 tiles at least, with names as given by wall
player.addConcealedTiles(self.wall.deal([None] * 13))
# compensate boni
while len(player.concealedTiles) != 13:
player.addConcealedTiles(self.wall.deal())
PlayingGame.initHand(self)
class ServerTable(Table):
"""a table on the game server"""
# pylint: disable=too-many-arguments
def __init__(self, server, owner, ruleset, suspendedAt, playOpen, autoPlay, wantedGame, tableId=None):
if tableId is None:
tableId = server.generateTableId()
Table.__init__(self, tableId, ruleset, suspendedAt, False, playOpen, autoPlay, wantedGame)
self.server = server
self.owner = owner
self.users = [owner] if owner else []
self.remotes = {} # maps client connections to users
self.game = None
self.client = None
server.tables[self.tableid] = self
if Debug.table:
logDebug('new table %s' % self)
def hasName(self, name):
"""returns True if one of the players in the game is named 'name'"""
return bool(self.game) and any(x.name == name for x in self.game.players)
def asSimpleList(self, withFullRuleset=False):
"""return the table attributes to be sent to the client"""
game = self.game
onlineNames = [x.name for x in self.users]
if self.suspendedAt:
names = tuple(x.name for x in game.players)
else:
names = tuple(x.name for x in self.users)
online = tuple(bool(x in onlineNames) for x in names)
if game:
endValues = game.handctr, dict((x.wind, x.balance) for x in game.players)
else:
endValues = None
if withFullRuleset:
ruleset = self.ruleset.toList()
else:
ruleset = self.ruleset.hash
return list([self.tableid, ruleset, game.gameid if game else None, self.suspendedAt, self.running, \
self.playOpen, self.autoPlay, self.wantedGame, names, online, endValues])
def maxSeats(self):
"""for a new game: 4. For a suspended game: The
number of humans before suspending"""
result = 4
if self.suspendedAt:
result -= sum(x.name.startswith('Robot ') for x in self.game.players)
return result
def sendChatMessage(self, chatLine):
"""sends a chat messages to all clients"""
if Debug.chat:
logDebug('server sends chat msg %s' % chatLine)
if self.suspendedAt:
chatters = []
for player in self.game.players:
chatters.extend(x for x in self.server.srvUsers if x.name == player.name)
else:
chatters = self.users
for other in chatters:
self.server.callRemote(other, 'chat', chatLine.asList())
def addUser(self, user):
"""add user to this table"""
if user.name in list(x.name for x in self.users):
raise srvError(pb.Error, m18nE('You already joined this table'))
if len(self.users) == self.maxSeats():
raise srvError(pb.Error, m18nE('All seats are already taken'))
self.users.append(user)
if Debug.table:
logDebug('%s seated on table %s' % (user.name, self))
self.sendChatMessage(ChatMessage(self.tableid, user.name,
m18nE('takes a seat'), isStatusMessage=True))
def delUser(self, user):
"""remove user from this table"""
if user in self.users:
self.running = False
self.users.remove(user)
self.sendChatMessage(ChatMessage(self.tableid, user.name,
m18nE('leaves the table'), isStatusMessage=True))
if user is self.owner:
# silently pass ownership
if self.users:
self.owner = self.users[0]
if Debug.table:
logDebug('%s leaves table %d, %s is the new owner' % (
user.name, self.tableid, self.owner))
else:
if Debug.table:
logDebug('%s leaves table %d, table is now empty' % (
user.name, self.tableid))
else:
if Debug.table:
logDebug('%s leaves table %d, %s stays owner' % (
user.name, self.tableid, self.owner))
def __str__(self):
"""for debugging output"""
onlineNames = list(x.name + ('(Owner)' if x == self.owner.name else '') for x in self.users)
offlineString = ''
if self.game:
offlineNames = list(x.name for x in self.game.players if x.name not in onlineNames
and not x.name.startswith('Robot'))
if offlineNames:
offlineString = ' offline:' + ','.join(offlineNames)
return '%d(%s%s)' % (self.tableid, ','.join(onlineNames), offlineString)
def __repr__(self):
return 'ServerTable(%s)' % str(self)
def calcGameId(self):
"""based upon the max gameids we got from the clients, propose
a new one, we want to use the same gameid in all data bases"""
serverMaxGameId = Query('select max(id) from game').records[0][0]
serverMaxGameId = int(serverMaxGameId) if serverMaxGameId else 0
gameIds = [x.maxGameId for x in self.users]
gameIds.append(serverMaxGameId)
return max(gameIds) + 1
def __prepareNewGame(self):
"""returns a new game object"""
names = list(x.name for x in self.users)
# the server and all databases save the english name but we
# want to make sure a translation exists for the client GUI
robotNames = [
m18ncE('kajongg, name of robot player, to be translated', 'Robot 1'),
m18ncE('kajongg, name of robot player, to be translated', 'Robot 2'),
m18ncE('kajongg, name of robot player, to be translated', 'Robot 3')]
while len(names) < 4:
names.append(robotNames[3 - len(names)])
self.client = Client() # Game has a weakref to client, so we must keep it!
return ServerGame(names, self.ruleset, client=self.client,
playOpen=self.playOpen, autoPlay=self.autoPlay, wantedGame=self.wantedGame)
def userForPlayer(self, player):
"""finds the table user corresponding to player"""
for result in self.users:
if result.name == player.name:
return result
def __connectPlayers(self):
"""connects client instances with the game players"""
game = self.game
for player in game.players:
remote = self.userForPlayer(player)
if not remote:
# we found a robot player, its client runs in this server process
remote = Client(player.name)
remote.table = self
self.remotes[player] = remote
def __checkDbIdents(self):
"""for 4 players, we have up to 4 data bases:
more than one player might use the same data base.
However the server always needs to use its own data base.
If a data base is used by more than one client, only one of
them should update. Here we set shouldSave for all players,
while the server always saves"""
serverIdent = Internal.db.identifier
dbIdents = set()
game = self.game
for player in game.players:
player.shouldSave = False
if isinstance(self.remotes[player], User):
dbIdent = self.remotes[player].dbIdent
assert dbIdent != serverIdent, \
'client and server try to use the same database:%s' % \
Internal.db.path
player.shouldSave = dbIdent not in dbIdents
dbIdents.add(dbIdent)
def readyForGameStart(self, user):
"""the table initiator told us he wants to start the game"""
if len(self.users) < self.maxSeats() and self.owner != user:
raise srvError(pb.Error,
m18nE('Only the initiator %1 can start this game, you are %2'),
self.owner.name, user.name)
if self.suspendedAt:
self.__connectPlayers()
self.__checkDbIdents()
self.initGame()
else:
self.game = self.__prepareNewGame()
self.__connectPlayers()
self.__checkDbIdents()
self.proposeGameId(self.calcGameId())
# TODO: remove table for all other srvUsers out of sight
def proposeGameId(self, gameid):
"""server proposes an id to the clients ands waits for answers"""
while True:
query = Query('insert into game(id,seed) values(?,?)',
(gameid, 'proposed'), mayFail=True, failSilent=True)
if not query.failure:
break
gameid += random.randrange(1, 100)
block = DeferredBlock(self)
for player in self.game.players:
if player.shouldSave and isinstance(self.remotes[player], User):
# do not ask robot players, they use the server data base
block.tellPlayer(player, Message.ProposeGameId, gameid=gameid)
block.callback(self.collectGameIdAnswers, gameid)
def collectGameIdAnswers(self, requests, gameid):
"""clients answered if the proposed game id is free"""
if requests:
# when errors happen, there might be no requests left
for msg in requests:
if msg.answer == Message.NO:
self.proposeGameId(gameid + 1)
return
elif msg.answer != Message.OK:
raise srvError(pb.Error, 'collectGameIdAnswers got neither NO nor OK')
self.game.gameid = gameid
self.initGame()
def initGame(self):
"""ask clients if they are ready to start"""
game = self.game
game.saveStartTime()
block = DeferredBlock(self)
for player in game.players:
block.tellPlayer(player, Message.ReadyForGameStart, tableid=self.tableid,
gameid=game.gameid, shouldSave=player.shouldSave,
wantedGame=game.wantedGame, source=list((x.wind, x.name) for x in game.players))
block.callback(self.startGame)
def startGame(self, requests):
"""if all players said ready, start the game"""
for user in self.users:
userRequests = list(x for x in requests if x.user == user)
if not userRequests or userRequests[0].answer == Message.NoGameStart:
if Debug.table:
if not userRequests:
logDebug('Server.startGame: found no request for user %s' % user.name)
else:
logDebug('Server.startGame: %s said NoGameStart' % user.name)
self.game = None
return
if Debug.table:
logDebug('Game starts on table %s' % self)
elementIter = iter(elements.all(self.game.ruleset))
wallSize = len(self.game.wall.tiles)
self.game.wall.tiles = []
for _ in range(wallSize):
self.game.wall.tiles.append(elementIter.next().concealed)
assert isinstance(self.game, ServerGame), self.game
self.running = True
self.__adaptOtherTables()
self.sendVoiceIds()
def __adaptOtherTables(self):
"""if the players on this table also reserved seats on other tables, clear them
make running table invisible for other users"""
for user in self.users:
for tableid in self.server.tablesWith(user):
if tableid != self.tableid:
self.server.leaveTable(user, tableid)
foreigners = list(x for x in self.server.srvUsers if x not in self.users)
if foreigners:
if Debug.table:
logDebug('make running table %s invisible for %s' % (self, ','.join(str(x) for x in foreigners)))
for srvUser in foreigners:
self.server.callRemote(srvUser, 'tableRemoved', self.tableid, '')
def sendVoiceIds(self):
"""tell each player what voice ids the others have. By now the client has a Game instance!"""
humanPlayers = [x for x in self.game.players if isinstance(self.remotes[x], User)]
if len(humanPlayers) < 2 or not any(self.remotes[x].voiceId for x in humanPlayers):
# no need to pass around voice data
self.assignVoices()
return
block = DeferredBlock(self)
for player in humanPlayers:
remote = self.remotes[player]
if remote.voiceId:
# send it to other human players:
others = [x for x in humanPlayers if x != player]
if Debug.sound:
logDebug('telling other human players that %s has voiceId %s' % (
player.name, remote.voiceId))
block.tell(player, others, Message.VoiceId, source=remote.voiceId)
block.callback(self.collectVoiceData)
def collectVoiceData(self, requests):
"""collect voices of other players"""
if not self.running:
return
block = DeferredBlock(self)
voiceDataRequests = []
for request in requests:
if request.answer == Message.ClientWantsVoiceData:
# another human player requests sounds for voiceId
voiceId = request.args[0]
voiceFor = [x for x in self.game.players if isinstance(self.remotes[x], User) \
and self.remotes[x].voiceId == voiceId][0]
voiceFor.voice = Voice(voiceId)
if Debug.sound:
logDebug('client %s wants voice data %s for %s' % (request.user.name, request.args[0], voiceFor))
voiceDataRequests.append((request.user, voiceFor))
if not voiceFor.voice.oggFiles():
# the server does not have it, ask the client with that voice
block.tell(voiceFor, voiceFor, Message.ServerWantsVoiceData)
block.callback(self.sendVoiceData, voiceDataRequests)
def sendVoiceData(self, requests, voiceDataRequests):
"""sends voice sounds to other human players"""
self.processAnswers(requests)
block = DeferredBlock(self)
for voiceDataRequester, voiceFor in voiceDataRequests:
# this player requested sounds for voiceFor
voice = voiceFor.voice
content = voice.archiveContent
if content:
if Debug.sound:
logDebug('server got voice data %s for %s from client' % (voiceFor.voice, voiceFor.name))
block.tell(voiceFor, voiceDataRequester, Message.VoiceData, md5sum=voice.md5sum, source=content)
elif Debug.sound:
logDebug('server got empty voice data %s for %s from client' % (
voice, voiceFor.name))
block.callback(self.assignVoices)
def assignVoices(self, dummyResults=None):
"""now all human players have all voice data needed"""
humanPlayers = [x for x in self.game.players if isinstance(self.remotes[x], User)]
block = DeferredBlock(self)
block.tell(None, humanPlayers, Message.AssignVoices)
block.callback(self.startHand)
def pickTile(self, dummyResults=None, deadEnd=False):
"""the active player gets a tile from wall. Tell all clients."""
if not self.running:
return
player = self.game.activePlayer
try:
tile = player.pickedTile(deadEnd)
except WallEmpty:
self.endHand()
else:
self.game.lastDiscard = None
block = DeferredBlock(self)
block.tellPlayer(player, Message.PickedTile, tile=tile, deadEnd=deadEnd)
if tile.isBonus or self.game.playOpen:
block.tellOthers(player, Message.PickedTile, tile=tile, deadEnd=deadEnd)
else:
block.tellOthers(player, Message.PickedTile, tile=Tile.unknown, deadEnd=deadEnd)
block.callback(self.moved)
def pickKongReplacement(self, requests=None):
"""the active player gets a tile from the dead end. Tell all clients."""
requests = self.prioritize(requests)
if requests and requests[0].answer == Message.MahJongg:
requests[0].answer.serverAction(self, requests[0])
else:
self.pickTile(requests, deadEnd=True)
def clientDiscarded(self, msg):
"""client told us he discarded a tile. Check for consistency and tell others."""
# pylint: disable=too-many-branches
# too many branches
if not self.running:
return
player = msg.player
game = self.game
assert player == game.activePlayer
tile = Tile(msg.args[0])
if tile not in player.concealedTiles:
self.abort('player %s discarded %s but does not have it' % (player, tile))
return
txt = game.dangerousFor(player, tile)
mustPlayDangerous = player.mustPlayDangerous()
block = DeferredBlock(self)
violates = player.violatesOriginalCall(tile)
game.hasDiscarded(player, tile)
block.tellAll(player, Message.Discard, tile=tile)
if violates:
if Debug.originalCall:
logDebug('%s just violated OC with %s' % (player, tile))
player.mayWin = False
block.tellAll(player, Message.ViolatesOriginalCall)
if game.ruleset.mustDeclareCallingHand and not player.isCalling:
if player.hand.callingHands:
player.isCalling = True
block.tellAll(player, Message.Calling)
if txt:
if mustPlayDangerous and player.lastSource not in 'dZ':
if Debug.dangerousGame:
logDebug('%s claims no choice. Discarded %s, keeping %s. %s' % \
(player, tile, ''.join(player.concealedTiles), ' / '.join(txt)))
player.claimedNoChoice = True
block.tellAll(player, Message.NoChoice, tiles=TileList(player.concealedTiles))
else:
player.playedDangerous = True
if Debug.dangerousGame:
logDebug('%s played dangerous. Discarded %s, keeping %s. %s' % \
(player, tile, ''.join(player.concealedTiles), ' / '.join(txt)))
block.tellAll(player, Message.DangerousGame, tiles=TileList(player.concealedTiles))
if msg.answer == Message.OriginalCall:
player.isCalling = True
block.callback(self.clientMadeOriginalCall, msg)
else:
block.callback(self.askForClaims)
def clientMadeOriginalCall(self, dummyResults, msg):
"""first tell everybody about original call
and then treat the implicit discard"""
msg.player.originalCall = True
if Debug.originalCall:
logDebug('server.clientMadeOriginalCall: %s' % msg.player)
block = DeferredBlock(self)
block.tellAll(msg.player, Message.OriginalCall)
block.callback(self.askForClaims)
def startHand(self, dummyResults=None):
"""all players are ready to start a hand, so do it"""
if self.running:
self.game.prepareHand()
self.game.initHand()
block = self.tellAll(None, Message.InitHand,
divideAt=self.game.divideAt)
block.callback(self.divided)
def divided(self, dummyResults=None):
"""the wall is now divided for all clients"""
if not self.running:
return
block = DeferredBlock(self)
for clientPlayer in self.game.players:
for player in self.game.players:
if player == clientPlayer or self.game.playOpen:
tiles = player.concealedTiles
else:
tiles = TileList(Tile.unknown * 13)
block.tell(player, clientPlayer, Message.SetConcealedTiles,
tiles=TileList(chain(tiles, player.bonusTiles)))
block.callback(self.dealt)
def endHand(self, dummyResults=None):
"""hand is over, show all concealed tiles to all players"""
if not self.running:
return
if self.game.playOpen:
self.saveHand()
else:
block = DeferredBlock(self)
for player in self.game.players:
# there might be no winner, winner.others() would be wrong
if player != self.game.winner:
# the winner tiles are already shown in claimMahJongg
block.tellOthers(player, Message.ShowConcealedTiles, show=True,
tiles=TileList(player.concealedTiles))
block.callback(self.saveHand)
def saveHand(self, dummyResults=None):
"""save the hand to the database and proceed to next hand"""
if not self.running:
return
self.tellAll(None, Message.SaveHand, self.nextHand)
self.game.saveHand()
def nextHand(self, dummyResults):
"""next hand: maybe rotate"""
if not self.running:
return
DeferredBlock.garbageCollection()
for block in DeferredBlock.blocks:
if block.table == self:
logError('request left from previous hand: %s' % block.outstandingStr())
token = self.game.handId.prompt(withAI=False) # we need to send the old token until the
# clients started the new hand
rotateWinds = self.game.maybeRotateWinds()
if self.game.finished():
self.server.removeTable(self, 'gameOver', m18nE('Game <numid>%1</numid> is over!'), self.game.seed)
if Debug.process and os.name != 'nt':
logDebug('MEM:%s' % resource.getrusage(resource.RUSAGE_SELF).ru_maxrss)
return
self.game.sortPlayers()
playerNames = list((x.wind, x.name) for x in self.game.players)
self.tellAll(None, Message.ReadyForHandStart, self.startHand,
source=playerNames, rotateWinds=rotateWinds, token=token)
def abort(self, message, *args):
"""abort the table. Reason: message/args"""
self.server.removeTable(self, 'abort', message, *args)
def claimTile(self, player, claim, meldTiles, nextMessage):
"""a player claims a tile for pung, kong or chow.
meldTiles contains the claimed tile, concealed"""
if not self.running:
return
lastDiscard = self.game.lastDiscard
# if we rob a tile, self.game.lastDiscard has already been set to the robbed tile
hasTiles = Meld(meldTiles[:])
discardingPlayer = self.game.activePlayer
hasTiles = hasTiles.without(lastDiscard)
meld = Meld(meldTiles)
if len(meld) != 4 and not (meld.isPair or meld.isPungKong or meld.isChow):
msg = m18nE('%1 wrongly said %2 for meld %3')
self.abort(msg, player.name, claim.name, str(meld))
return
if not player.hasConcealedTiles(hasTiles):
msg = m18nE('%1 wrongly said %2: claims to have concealed tiles %3 but only has %4')
self.abort(msg, player.name, claim.name, ' '.join(hasTiles), ''.join(player.concealedTiles))
return
# update our internal state before we listen to the clients again
self.game.discardedTiles[lastDiscard.exposed] -= 1
self.game.activePlayer = player
if lastDiscard:
player.lastTile = lastDiscard.exposed
player.lastSource = 'd'
player.exposeMeld(hasTiles, lastDiscard)
self.game.lastDiscard = None
block = DeferredBlock(self)
if (nextMessage != Message.Kong
and self.game.dangerousFor(discardingPlayer, lastDiscard)
and discardingPlayer.playedDangerous):
player.usedDangerousFrom = discardingPlayer
if Debug.dangerousGame:
logDebug('%s claims dangerous tile %s discarded by %s' % \
(player, lastDiscard, discardingPlayer))
block.tellAll(player, Message.UsedDangerousFrom, source=discardingPlayer.name)
block.tellAll(player, nextMessage, meld=meld)
if claim == Message.Kong:
block.callback(self.pickKongReplacement)
else:
block.callback(self.moved)
def declareKong(self, player, meldTiles):
"""player declares a Kong, meldTiles is a list"""
kongMeld = Meld(meldTiles)
if not player.hasConcealedTiles(kongMeld) and kongMeld[0].exposed.pung not in player.exposedMelds:
# pylint: disable=star-args
msg = m18nE('declareKong:%1 wrongly said Kong for meld %2')
args = (player.name, str(kongMeld))
logDebug(m18n(msg, *args))
logDebug('declareKong:concealedTiles:%s' % ''.join(player.concealedTiles))
logDebug('declareKong:concealedMelds:%s' % \
' '.join(str(x) for x in player.concealedMelds))
logDebug('declareKong:exposedMelds:%s' % \
' '.join(str(x) for x in player.exposedMelds))
self.abort(msg, *args)
return
player.exposeMeld(kongMeld)
self.tellAll(player, Message.DeclaredKong, self.pickKongReplacement, meld=kongMeld)
def claimMahJongg(self, msg):
"""a player claims mah jongg. Check this and
if correct, tell all. Otherwise abort game, kajongg client is faulty"""
if not self.running:
return
player = msg.player
concealedMelds = MeldList(msg.args[0])
withDiscard = Tile(msg.args[1]) if msg.args[1] else None
lastMeld = Meld(msg.args[2])
if self.game.ruleset.mustDeclareCallingHand:
assert player.isCalling, '%s %s: concmelds:%s withdiscard:%s lastmeld:%s' % (
self.game.handId, player, concealedMelds, withDiscard, lastMeld)
discardingPlayer = self.game.activePlayer
lastMove = self.game.lastMoves(withoutNotifications=True).next()
robbedTheKong = lastMove.message == Message.DeclaredKong
if robbedTheKong:
player.lastSource = 'k'
withDiscard = lastMove.meld[0].concealed
lastMove.player.robTile(withDiscard)
msgArgs = player.showConcealedMelds(concealedMelds, withDiscard)
if msgArgs:
self.abort(*msgArgs) # pylint: disable=star-args
player.declaredMahJongg(concealedMelds, withDiscard, player.lastTile, lastMeld)
if not player.hand.won:
msg = m18nE('%1 claiming MahJongg: This is not a winning hand: %2')
self.abort(msg, player.name, player.hand.string)
return
block = DeferredBlock(self)
if robbedTheKong:
block.tellAll(player, Message.RobbedTheKong, tile=withDiscard)
if (player.lastSource == 'd'
and self.game.dangerousFor(discardingPlayer, player.lastTile)
and discardingPlayer.playedDangerous):
player.usedDangerousFrom = discardingPlayer
if Debug.dangerousGame:
logDebug('%s wins with dangerous tile %s from %s' % \
(player, self.game.lastDiscard, discardingPlayer))
block.tellAll(player, Message.UsedDangerousFrom, source=discardingPlayer.name)
block.tellAll(player, Message.MahJongg, melds=concealedMelds, lastTile=player.lastTile,
lastMeld=lastMeld, withDiscardTile=withDiscard)
block.callback(self.endHand)
def dealt(self, dummyResults):
"""all tiles are dealt, ask east to discard a tile"""
if self.running:
self.tellAll(self.game.activePlayer, Message.ActivePlayer, self.pickTile)
def nextTurn(self):
"""the next player becomes active"""
if self.running:
# the player might just have disconnected
self.game.nextTurn()
self.tellAll(self.game.activePlayer, Message.ActivePlayer, self.pickTile)
def prioritize(self, requests):
"""returns only requests we want to execute"""
if not self.running:
return
answers = [x for x in requests if x.answer not in [Message.NoClaim, Message.OK, None]]
if len(answers) > 1:
claims = [Message.MahJongg, Message.Kong, Message.Pung, Message.Chow]
for claim in claims:
if claim in [x.answer for x in answers]:
# ignore claims with lower priority:
answers = [x for x in answers if x.answer == claim or x.answer not in claims]
break
mjAnswers = [x for x in answers if x.answer == Message.MahJongg]
if len(mjAnswers) > 1:
mjPlayers = [x.player for x in mjAnswers]
nextPlayer = self.game.nextPlayer()
while nextPlayer not in mjPlayers:
nextPlayer = self.game.nextPlayer(nextPlayer)
answers = [x for x in answers if x.player == nextPlayer or x.answer != Message.MahJongg]
return answers
def askForClaims(self, dummyRequests):
"""ask all players if they want to claim"""
if self.running:
self.tellOthers(self.game.activePlayer, Message.AskForClaims, self.moved)
def processAnswers(self, requests):
"""a player did something"""
if not self.running:
return
answers = self.prioritize(requests)
if not answers:
return
for answer in answers:
msg = '<- %s' % unicode(answer)
if Debug.traffic:
logDebug(msg)
with Duration(msg):
answer.answer.serverAction(self, answer)
return answers
def moved(self, requests):
"""a player did something"""
if Debug.stack:
stck = traceback.extract_stack()
if len(stck) > 30:
logDebug('stack size:%d' % len(stck))
logDebug(stck)
answers = self.processAnswers(requests)
if not answers:
self.nextTurn()
def tellAll(self, player, command, callback=None, **kwargs):
"""tell something about player to all players"""
block = DeferredBlock(self)
block.tellAll(player, command, **kwargs)
block.callback(callback)
return block
def tellOthers(self, player, command, callback=None, **kwargs):
"""tell something about player to all other players"""
block = DeferredBlock(self)
block.tellOthers(player, command, **kwargs)
block.callback(callback)
return block
class MJServer(object):
"""the real mah jongg server"""
def __init__(self):
self.tables = {}
self.srvUsers = list()
Players.load()
self.lastPing = None
self.checkPings()
def chat(self, chatString):
"""a client sent us a chat message"""
chatLine = ChatMessage(chatString)
if Debug.chat:
logDebug('server got chat message %s' % chatLine)
self.tables[chatLine.tableid].sendChatMessage(chatLine)
def login(self, user):
"""accept a new user"""
if not user in self.srvUsers:
self.srvUsers.append(user)
self.loadSuspendedTables(user)
def callRemote(self, user, *args, **kwargs):
"""if we still have a connection, call remote, otherwise clean up"""
if user.mind:
try:
args2, kwargs2 = Message.jellyAll(args, kwargs)
# pylint: disable=star-args
return user.mind.callRemote(*args2, **kwargs2).addErrback(MJServer.ignoreLostConnection)
except (pb.DeadReferenceError, pb.PBConnectionLost):
user.mind = None
self.logout(user)
@staticmethod
def __stopAfterLastDisconnect():
"""as the name says"""
if Options.socket and not Options.continueServer:
try:
reactor.stop()
if Debug.connections:
logDebug('local server terminates from %s. Reason: last client disconnected' % (
Options.socket))
except ReactorNotRunning:
pass
def checkPings(self):
"""are all clients still alive? If not log them out"""
if not self.srvUsers and self.lastPing and elapsedSince(self.lastPing) > 30:
# no user at all since 30 seconds, but we did already have a user
self.__stopAfterLastDisconnect()
for user in self.srvUsers:
self.lastPing = max(self.lastPing, user.lastPing) if self.lastPing else user.lastPing
if elapsedSince(user.lastPing) > 60:
logDebug('No messages from %s since 60 seconds, clearing connection now' % user.name)
user.mind = None
self.logout(user)
reactor.callLater(10, self.checkPings)
@staticmethod
def ignoreLostConnection(failure):
"""if the client went away, do not dump error messages on stdout"""
failure.trap(pb.PBConnectionLost)
def sendTables(self, user, tables=None):
"""send tables to user. If tables is None, he gets all new tables and those
suspended tables he was sitting on"""
if tables is None:
tables = list(x for x in self.tables.values() \
if not x.running and (not x.suspendedAt or x.hasName(user.name)))
if len(tables):
data = list(x.asSimpleList() for x in tables)
if Debug.table:
logDebug('sending %d tables to %s: %s' % (len(tables), user.name, data))
return self.callRemote(user, 'newTables', data)
else:
return succeed([])
def _lookupTable(self, tableid):
"""return table by id or raise exception"""
if tableid not in self.tables:
raise srvError(pb.Error, m18nE('table with id <numid>%1</numid> not found'), tableid)
return self.tables[tableid]
def generateTableId(self):
"""generates a new table id: the first free one"""
usedIds = set(self.tables or [0])
availableIds = set(x for x in range(1, 2+max(usedIds)))
return min(availableIds - usedIds)
def newTable(self, user, ruleset, playOpen, autoPlay, wantedGame, tableId=None):
"""user creates new table and joins it"""
def gotRuleset(ruleset):
"""now we have the full ruleset definition from the client"""
Ruleset.cached(ruleset).save() # make it known to the cache and save in db
if tableId in self.tables:
return fail(srvError(pb.Error,
'You want a new table with id=%d but that id is already used for table %s' % (
tableId, self.tables[tableId])))
if Ruleset.hashIsKnown(ruleset):
return self.__newTable(None, user, ruleset, playOpen, autoPlay, wantedGame, tableId)
else:
return self.callRemote(user, 'needRuleset', ruleset).addCallback(
gotRuleset).addCallback(
self.__newTable, user, ruleset, playOpen, autoPlay, wantedGame, tableId)
def __newTable(self, dummy, user, ruleset, playOpen, autoPlay, wantedGame, tableId=None):
"""now we know the ruleset"""
def sent(dummy):
"""new table sent to user who created it"""
return table.tableid
table = ServerTable(self, user, ruleset, None, playOpen, autoPlay, wantedGame, tableId)
result = None
for srvUser in self.srvUsers:
deferred = self.sendTables(srvUser, [table])
if user == srvUser:
result = deferred
deferred.addCallback(sent)
assert result
return result
def needRulesets(self, rulesetHashes):
"""the client wants those full rulesets"""
result = []
for table in self.tables.values():
if table.ruleset.hash in rulesetHashes:
result.append(table.ruleset.toList())
return result
def joinTable(self, user, tableid):
"""user joins table"""
table = self._lookupTable(tableid)
table.addUser(user)
block = DeferredBlock(table)
block.tell(None, self.srvUsers, Message.TableChanged, source=table.asSimpleList())
if len(table.users) == table.maxSeats():
if Debug.table:
logDebug('Table %s: All seats taken, starting' % table)
def startTable(dummy):
"""now all players know about our join"""
table.readyForGameStart(table.owner)
block.callback(startTable)
else:
block.callback(False)
return True
def tablesWith(self, user):
"""table ids with user, except table 'without'"""
return (x.tableid for x in self.tables.values() if user in x.users)
def leaveTable(self, user, tableid, message=None, *args):
"""user leaves table. If no human user is left on a new table, remove it"""
if tableid in self.tables:
table = self.tables[tableid]
if user in table.users:
if len(table.users) == 1 and not table.suspendedAt:
# silent: do not tell the user who left the table that he did
self.removeTable(table, 'silent', message, *args)
else:
table.delUser(user)
if self.srvUsers:
block = DeferredBlock(table)
block.tell(None, self.srvUsers, Message.TableChanged, source=table.asSimpleList())
block.callback(False)
return True
def startGame(self, user, tableid):
"""try to start the game"""
return self._lookupTable(tableid).readyForGameStart(user)
def removeTable(self, table, reason, message=None, *args):
"""remove a table"""
assert reason in ('silent', 'tableRemoved', 'gameOver', 'abort')
# HumanClient implements methods remote_tableRemoved etc.
message = message or ''
if Debug.connections or reason == 'abort':
logDebug('%s%s ' % (('%s:' % table.game.seed) if table.game else '',
m18n(message, *args)), withGamePrefix=None)
if table.tableid in self.tables:
del self.tables[table.tableid]
if reason == 'silent':
tellUsers = []
else:
tellUsers = table.users if table.running else self.srvUsers
for user in tellUsers:
# this may in turn call removeTable again!
self.callRemote(user, reason, table.tableid, message, *args)
for user in table.users:
table.delUser(user)
if Debug.table:
logDebug('removing table %d: %s %s' % (table.tableid, m18n(message, *args), reason))
if table.game:
table.game.close()
def logout(self, user):
"""remove user from all tables"""
if user not in self.srvUsers:
return
self.srvUsers.remove(user)
for tableid in self.tablesWith(user):
self.leaveTable(user, tableid, m18nE('Player %1 has logged out'), user.name)
# wait a moment. We want the leaveTable message to arrive everywhere before
# we say serverDisconnects. Sometimes the order was reversed.
reactor.callLater(1, self.__logout2, user)
def __logout2(self, user):
"""now the leaveTable message had a good chance to get to the clients first"""
self.callRemote(user, 'serverDisconnects')
user.mind = None
for block in DeferredBlock.blocks:
for request in block.requests:
if request.user == user:
block.removeRequest(request)
def loadSuspendedTables(self, user):
"""loads all yet unloaded suspended tables where this
user is participating. We do not unload them if the
user logs out, there are filters anyway returning only
the suspended games for a certain user.
Never load old autoplay games."""
query = Query("select distinct g.id, g.starttime, " \
"g.seed, " \
"ruleset, s.scoretime " \
"from game g, player p0, score s," \
"player p1, player p2, player p3 " \
"where autoplay=0 " \
" and p0.id=g.p0 and p1.id=g.p1 " \
" and p2.id=g.p2 and p3.id=g.p3 " \
" and (p0.name=? or p1.name=? or p2.name=? or p3.name=?) " \
" and s.game=g.id" \
" and g.endtime is null" \
" and exists(select 1 from ruleset where ruleset.id=g.ruleset)" \
" and exists(select 1 from score where game=g.id)" \
" and s.scoretime = (select max(scoretime) from score where game=g.id) limit 10",
(user.name, user.name, user.name, user.name))
for gameid, _, seed, ruleset, suspendTime in query.records:
if gameid not in (x.game.gameid for x in self.tables.values() if x.game):
table = ServerTable(self, None, ruleset, suspendTime, playOpen=False,
autoPlay=False, wantedGame=str(seed))
table.game = ServerGame.loadFromDB(gameid)
class User(pb.Avatar):
"""the twisted avatar"""
def __init__(self, userid):
self.name = Query('select name from player where id=?', (userid,)).records[0][0]
self.mind = None
self.server = None
self.dbIdent = None
self.voiceId = None
self.maxGameId = None
self.lastPing = None
self.pinged()
def pinged(self):
"""time of last ping or message from user"""
self.lastPing = datetime.datetime.now()
def source(self):
"""how did he connect?"""
result = str(self.mind.broker.transport.getPeer())
if 'UNIXAddress' in result:
# socket: we want to get the socket name
result = Options.socket
return result
def attached(self, mind):
"""override pb.Avatar.attached"""
self.mind = mind
self.server.login(self)
def detached(self, dummyMind):
"""override pb.Avatar.detached"""
if Debug.connections:
logDebug('%s: connection detached from %s' % (self, self.source()))
self.server.logout(self)
self.mind = None
def perspective_setClientProperties(self, dbIdent, voiceId, maxGameId, clientVersion=None):
"""perspective_* methods are to be called remotely"""
self.dbIdent = dbIdent
self.voiceId = voiceId
self.maxGameId = maxGameId
serverVersion = Internal.version
if clientVersion != serverVersion:
# we assume that versions x.y.* are compatible
if clientVersion is None:
# client passed no version info
return fail(srvError(pb.Error,
m18nE('Your client has a version older than 4.9.0 but you need %1 for this server'),
serverVersion))
else:
commonDigits = len([x for x in zip(
clientVersion.split('.'),
serverVersion.split('.'))
if x[0] == x[1]])
if commonDigits < 2:
return fail(srvError(pb.Error,
m18nE('Your client has version %1 but you need %2 for this server'),
clientVersion or '<4.9.0',
'.'.join(serverVersion.split('.')[:2]) + '.*'))
self.server.sendTables(self)
def perspective_ping(self):
"""perspective_* methods are to be called remotely"""
return self.pinged()
def perspective_needRulesets(self, rulesetHashes):
"""perspective_* methods are to be called remotely"""
return self.server.needRulesets(rulesetHashes)
def perspective_joinTable(self, tableid):
"""perspective_* methods are to be called remotely"""
return self.server.joinTable(self, tableid)
def perspective_leaveTable(self, tableid):
"""perspective_* methods are to be called remotely"""
return self.server.leaveTable(self, tableid)
def perspective_newTable(self, ruleset, playOpen, autoPlay, wantedGame, tableId=None):
"""perspective_* methods are to be called remotely"""
return self.server.newTable(self, ruleset, playOpen, autoPlay, wantedGame, tableId)
def perspective_startGame(self, tableid):
"""perspective_* methods are to be called remotely"""
return self.server.startGame(self, tableid)
def perspective_logout(self):
"""perspective_* methods are to be called remotely"""
self.detached(None)
def perspective_chat(self, chatString):
"""perspective_* methods are to be called remotely"""
return self.server.chat(chatString)
def __str__(self):
return self.name
def __repr__(self):
return 'User({!s})'.format(self)
class MJRealm(object):
"""connects mind and server"""
implements(portal.IRealm)
def __init__(self):
self.server = None
def requestAvatar(self, avatarId, mind, *interfaces):
"""as the tutorials do..."""
if not pb.IPerspective in interfaces:
raise NotImplementedError("No supported avatar interface")
avatar = User(avatarId)
avatar.server = self.server
avatar.attached(mind)
if Debug.connections:
logDebug('Connection from %s ' % avatar.source())
return pb.IPerspective, avatar, lambda a=avatar: a.detached(mind)
def parseArgs():
"""as the name says"""
from optparse import OptionParser
parser = OptionParser()
defaultPort = Options.defaultPort()
parser.add_option('', '--port', dest='port',
help=m18n('the server will listen on PORT (%d)' % defaultPort),
type=int, default=defaultPort)
parser.add_option('', '--socket', dest='socket',
help=m18n('the server will listen on SOCKET'), default=None)
parser.add_option('', '--db', dest='dbpath', help=m18n('name of the database'), default=None)
parser.add_option('', '--continue', dest='continueServer', action='store_true',
help=m18n('do not terminate local game server after last client disconnects'), default=False)
parser.add_option('', '--debug', dest='debug',
help=Debug.help())
parser.add_option('', '--nokde', dest='nokde', action='store_true',
help=m18n('do not use KDE bindings. Only for testing'))
parser.add_option('', '--qt5', dest='qt5', action='store_true',
help=m18n('Force using Qt5. Currently Qt4 is used by default'))
(options, args) = parser.parse_args()
if args and ''.join(args):
logWarning(m18n('unrecognized arguments:%1', ' '.join(args)))
sys.exit(2)
Options.continueServer |= options.continueServer
if options.dbpath:
Options.dbPath = os.path.expanduser(options.dbpath)
if options.socket:
Options.socket = options.socket
Debug.setOptions(options.debug)
Options.fixed = True # may not be changed anymore
del parser # makes Debug.gc quieter
return options
def kajonggServer():
"""start the server"""
# pylint: disable=too-many-branches
options = parseArgs()
if not initDb():
sys.exit(1)
realm = MJRealm()
realm.server = MJServer()
kajonggPortal = portal.Portal(realm, [DBPasswordChecker()])
import predefined # pylint: disable=unused-variable
try:
if Options.socket:
if os.name == 'nt':
if Debug.connections:
logDebug('local server listening on 127.0.0.1 port %d' % options.port)
reactor.listenTCP(options.port, pb.PBServerFactory(kajonggPortal), interface='127.0.0.1')
else:
if Debug.connections:
logDebug('local server listening on UNIX socket %s' % Options.socket)
reactor.listenUNIX(Options.socket, pb.PBServerFactory(kajonggPortal))
else:
if Debug.connections:
logDebug('server listening on port %d' % options.port)
reactor.listenTCP(options.port, pb.PBServerFactory(kajonggPortal))
except error.CannotListenError as errObj:
logWarning(errObj)
sys.exit(1)
else:
reactor.run()
def profileMe():
"""where do we lose time?"""
import cProfile
cProfile.run('kajonggServer()', 'prof')
import pstats
statistics = pstats.Stats('prof')
statistics.sort_stats('cumulative')
statistics.print_stats(40)
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