Example #1
0
    def _rebind_slow(self):
        try:
            self.dispatcher.rebind()

            for channel in dict(
                    self.channels
            ):  # hack, but I guess reloading is all a hack :P
                chan = self.channels[channel].copy()
                del chan['name']  # 'cause we're passing it ourselves
                self.channels[channel] = sys.modules[
                    'protocol.Protocol'].Channel(self, channel, **chan)

            self.protocol = Protocol(self)
        except:
            self.error(traceback.format_exc())

        self.admin_broadcast('Done reloading.')
        self.console_write('Done reloading.')
Example #2
0
	def _rebind_slow(self):
		try:
			self.dispatcher.rebind()
				
			for channel in dict(self.channels): # hack, but I guess reloading is all a hack :P
				chan = self.channels[channel].copy()
				del chan['name'] # 'cause we're passing it ourselves
				self.channels[channel] = sys.modules['protocol.Protocol'].Channel(self, channel, **chan)
			
			self.protocol = Protocol(self)
		except:
			self.error(traceback.format_exc())
			
		self.admin_broadcast('Done reloading.')
		self.console_write('Done reloading.')
Example #3
0
    def __init__(self):
        """
    Konstruktor klasy.

    Ładuje on konfigurację, ustawia socket nasłuchujący na połączenia oraz
    definiuje struktury wymagane do działania serwera.
    """
        Logger.log('Witam!')

        self._cfg = JSONConfig(open('config.json', 'r'))
        self._gamestate = GameState(self._cfg)

        # Inicjalizujemy kolejkę epoll.
        self._poller = select.epoll(3)
        self._init_listen_socket()

        # Odpowiednie hashmapy do odpytywania socketów i pakietów do wysłania.
        self._client_sockets = {}
        self._packet_queues = {}
        self._player_bindings = {}

        # Tworzymy obiekt protokołu:
        self._proto = Protocol(self._gamestate, self._client_sockets,
                               self._packet_queues)
Example #4
0
  def __init__(self):
    """
    Konstruktor klasy.

    Ładuje on konfigurację, ustawia socket nasłuchujący na połączenia oraz
    definiuje struktury wymagane do działania serwera.
    """
    Logger.log('Witam!')

    self._cfg = JSONConfig(open('config.json', 'r'))
    self._gamestate = GameState(self._cfg)
    
    # Inicjalizujemy kolejkę epoll.
    self._poller = select.epoll(3)
    self._init_listen_socket()

    # Odpowiednie hashmapy do odpytywania socketów i pakietów do wysłania.
    self._client_sockets = {}
    self._packet_queues = {}
    self._player_bindings = {}

    # Tworzymy obiekt protokołu:
    self._proto = Protocol(self._gamestate, self._client_sockets,
      self._packet_queues)
Example #5
0
class DataHandler:

	def __init__(self):
		self.local_ip = None
		self.online_ip = None
		self.session_id = 0
		self.dispatcher = None
		self.console_buffer = []
		self.port = 8200
		self.natport = self.port+1
		self.latestspringversion = '*'
		self.log = False
		self.logfile = None
		self.logfilename = 'server.log'
		self.agreementfile = 'agreement.rtf'
		self.agreement = []
		self.server = 'TASServer'
		self.server_version = 0.35
		self.sighup = False
		
		self.chanserv = None
		self.userdb = None
		self.channeldb = None
		self.engine = None
		self.protocol = None
		self.updatefile = None
		self.trusted_proxyfile = None
		
		self.max_threads = 25
		self.sqlurl = 'sqlite:///server.db'
		self.nextbattle = 0
		self.SayHooks = __import__('SayHooks')
		self.censor = True
		self.motd = None
		self.running = True
		
		self.trusted_proxies = []
		
		self.start_time = time.time()
		self.channels = {}
		self.chan_alias = {}
		self.usernames = {}
		self.clients = {}
		self.db_ids = {}
		self.battles = {}
		thread.start_new_thread(self.event_loop, ())

	def showhelp(self):
		print 'Usage: server.py [OPTIONS]...'
		print 'Starts uberserver.'
		print
		print 'Options:'
		print '  -h, --help'
		print '      { Displays this screen then exits }'
		print '  -p, --port number'
		print '      { Server will host on this port (default is 8200) }'
		print '  -n, --natport number'
		print '      { Server will use this port for NAT transversal (default is 8201) }'
		print '  -g, --loadargs filename'
		print '      { Reads additional command-line arguments from file }'
		print '  -o, --output /path/to/file.log'
		print '      { Writes console output to file (for logging) }'
		print '  -u, --sighup'
		print '      { Reload the server on SIGHUP (if SIGHUP is supported by OS) }'
		print '  -v, --latestspringversion version'
		print '      { Sets latest Spring version to this string. Defaults to "*" }'
		print '  -m, --maxthreads number'
		print '      { Uses the specified number of threads for handling clients }'
		print '  -s, --sqlurl SQLURL'
		print '      { Uses SQL database at the specified sqlurl for user, channel, and ban storage. }'
		print '  -c, --no-censor'
		print '      { Disables censoring of #main, #newbies, and usernames (default is to censor) }'
		print '  --proxies /path/to/proxies.txt'
		print '     { Path to proxies.txt, for trusting proxies to pass real IP through local IP }'
		print '   -a --agreement /path/to/agreement.rtf'
		print '     { sets the pat to the agreement file which is sent to a client registering at the server }'
		print 'SQLURL Examples:'
		#print '  "sqlite:///:memory:" or "sqlite:///"'
		#print '     { both make a temporary database in memory }'
		print '  "sqlite:////absolute/path/to/database.txt"'
		print '     { uses a database in the file specified }'
		print '  "sqlite:///relative/path/to/database.txt"'
		print '     { note sqlite is slower than a real SQL server }'
		print '  "mysql://*****:*****@server:port/database"'
		print '     { requires the MySQLdb module }'
		print '  "oracle://*****:*****@server:port/database"'
		print '     { requires the cx_Oracle module }'
		print '  "postgres://*****:*****@server:port/database"'
		print '     { requires the psycopg2 module }'
		print '  "mssql://*****:*****@server:port/database"'
		print '     { requires pyodbc (recommended) or adodbapi or pymssql }'
		print '  "firebird://*****:*****@server:port/database"'
		print '     { requires the kinterbasdb module }'
		print
		print 'Usage example (this is what the test server uses at the moment):'
		print ' server.py -p 8300 -n 8301'
		print
		exit()
	def parseArgv(self, argv):
		'parses command-line options'
		args = {'ignoreme':[]}
		mainarg = 'ignoreme'

		tempargv = list(argv)
		while tempargv:
			arg = tempargv.pop(0)
			if arg.startswith('-'):
				mainarg = arg.lstrip('-').lower()

				if mainarg in ['g', 'loadargs']:
					try:
						name = tempargv[0]
						if name.startswith('-'): raise Exception
						f = file(name, 'r')
						lines = f.read().split('\n')
						f.close()

						tempargv += ' '.join(lines).split(' ')
					except:
						pass

				args[mainarg] = []
			else:
				args[mainarg].append(arg)
		del args['ignoreme']

		for arg in args:
			argp = args[arg]
			if arg in ['h', 'help']:
				self.showhelp()
			if arg in ['p', 'port']:
				try: self.port = int(argp[0])
				except: print 'Invalid port specification'
			elif arg in ['n', 'natport']:
				try: self.natport = int(argp[0])
				except: print 'Invalid NAT port specification'
			elif arg in ['o', 'output']:
				try: self.logfilename = argp[0]
				except: print 'Error specifying log location'
				self.rotatelogfile()
			elif arg in ['u', 'sighup']:
				self.sighup = True
			elif arg in ['v', 'latestspringversion']:
				try: self.latestspringversion = argp[0] # ' '.join(argp) # shouldn't have spaces
				except: print 'Error specifying latest spring version'
			elif arg in ['m', 'maxthreads']:
				try: self.max_threads = int(argp[0])
				except: print 'Error specifing max threads'
			elif arg in ['s', 'sqlurl']:
				try:
					self.sqlurl = argp[0]
				except:
					print 'Error specifying SQL URL'
			elif arg in ['c', 'no-censor']:
				self.censor = False
			elif arg in ['a', 'agreement']:
				try:
					self.argeementfile = argp[0]
				except:
					print 'Error reading agreement file'
			elif arg == 'proxies':
				try:
					self.trusted_proxyfile = argp[0]
					open(self.trusted_proxyfile, 'r').close()
				except:
					print 'Error opening trusted proxy file.'
					self.trusted_proxyfile = None
		sqlalchemy = __import__('sqlalchemy')
		self.engine = sqlalchemy.create_engine(self.sqlurl) # hopefully no thread will open more than two sql connections :/
		if self.sqlurl.startswith('sqlite'):
			print 'Multiple threads are not supported with sqlite, forcing a single thread'
			print 'Please note the server performance will not be optimal'
			print 'You might want to install a real database server or use LAN mode'
			print
			self.max_threads = 1

		self.userdb = UsersHandler(self, self.engine)
		self.channeldb = ChannelsHandler(self, self.engine)
		channels = self.channeldb.load_channels()
		
		for name in channels:
			channel = channels[name]
			
			owner = None
			admins = []
			client = self.userdb.clientFromUsername(channel['owner'])
			if client and client.id: owner = client.id
				
			for user in channel['admins']:
				client = userdb.clientFromUsername(user)
				if client and client.id:
					admins.append(client.id)
				
			self.channels[name] = Channel(self, name, chanserv=bool(owner), owner=owner, admins=admins, key=channel['key'], antispam=channel['antispam'], topic={'user':'******', 'text':channel['topic'], 'time':int(time.time())})
			
		if self.chanserv:
			for name in channels:
				self.chanserv.client._protocol._handle(self.chanserv.client, 'JOIN %s' % name)
		
		if not self.log:
			self.rotatelogfile()
		
		self.parseFiles()

		self.protocol = Protocol(self, None)
	
	def parseFiles(self):
		if os.path.isfile('motd.txt'):
			motd = []
			f = open('motd.txt', 'r')
			data = f.read()
			f.close()
			if data:
				for line in data.split('\n'):
					motd.append(line.strip())
			self.motd = motd
		
		if self.trusted_proxyfile:
			self.trusted_proxies = set([])
			f = open(self.trusted_proxyfile, 'r')
			data = f.read()
			f.close()
			if data:
				for line in data.split('\n'):
					proxy = line.strip()
					if not proxy.replace('.', '', 3).isdigit():
						proxy = socket.gethostbyname(proxy)
					
					if proxy:
						self.trusted_proxies.add(proxy)
		ins = open(self.agreementfile, "r" )
		for line in ins:
			self.agreement.append(line.rstrip('\r\n'))
		ins.close()


	def getUserDB(self):
		return self.userdb
	
	def clientFromID(self, db_id):
		if db_id in self.db_ids: return self.db_ids[db_id]
	
	def clientFromUsername(self, username):
		if username in self.usernames: return self.usernames[username]

	def event_loop(self):
		start = time.time()
		lastsave = lastmute = lastidle = start
		while self.running:
			now = time.time()
			try:
				if now - lastmute >= 1:
					lastmute = now
					self.mute_timeout_step()

				if now - lastidle >= 30:
					lastidle = now
					self.idle_timeout_step()
				
				self.console_print_step()
			except:
				self.error(traceback.format_exc())	
				
			time.sleep(max(0.1, 1 - (time.time() - start)))

	def mute_timeout_step(self):
		try:
			now = time.time()
			channels = dict(self.channels)
			for chan in channels:
				channel = channels[chan]
				mutelist = dict(channel.mutelist)
				for db_id in mutelist:
					expiretime = mutelist[db_id]['expires']
					if 0 < expiretime and expiretime < now:
						del channel.mutelist[db_id]
						channel.channelMessage('<%s> has been unmuted (mute expired).' % self.protocol.clientFromID(db_id).username)
		except:
			self.error(traceback.format_exc())

	def idle_timeout_step(self):
		now = time.time()
		for client in self.clients.values():
			if not client.logged_in and client.last_login < now - 60:
				client.SendNow("SERVERMSG timeout! no login within 60 seconds!")
				client.Remove("didn't login, timed out")
			elif client.pings and client.lastdata < now - 60:
				client.SendNow("SERVERMSG timeout! no data or PING received for >60 seconds, closing connection")
				client.Remove("dead connection detected, didn't receive a ping")

	def console_print_step(self):
		try:
			while self.console_buffer:
				line = self.console_buffer.pop(0)
				print line
				if self.log:
					self.logfile.write(line+'\n')
			
			if self.logfile:
				self.logfile.flush()
		except:
			print separator
			print traceback.format_exc()
			print separator

	def error(self, error):
		error = '%s\n%s\n%s'%(separator,error,separator)
		self.console_write(error)
		for user in dict(self.usernames):
			try:
				if self.usernames[user].debug:
					for line in error.split('\n'):
						if line:
							self.usernames[user].Send('SERVERMSG %s'%line)
			except KeyError: pass # the user was removed

	def console_write(self, lines=''):
		if type(lines) in(str, unicode):
			lines = lines.split('\n')
		elif not type(lines) in (list, tuple, set):
			try: lines = [lines.__repr__()]
			except: lines = ['Failed to print lines of type %s'%type(lines)]
		self.console_buffer += lines
	
	def multicast(self, clients, msg, ignore=()):
		if type(ignore) in (str, unicode): ignore = [ignore]
		static = []
		for client in clients:
			if client and not client.username in ignore:
				if client.static: static.append(client)
				else: client.Send(msg)
		
		# this is so static clients don't respond before other people even receive the message
		for client in static:
			client.Send(msg)
	
	def broadcast(self, msg, chan=None, ignore=()):
		if type(ignore) in (str, unicode): ignore = [ignore]
		try:
			if chan in self.channels:
				channel = self.channels[chan]
				if len(channel.users) > 0:
					clients = [self.clientFromUsername(user) for user in list(channel.users)]
					self.multicast(clients, msg, ignore)
			else:
				clients = [self.clientFromUsername(user) for user in list(self.usernames)]
				self.multicast(clients, msg, ignore)
		except: self.error(traceback.format_exc())

	def broadcast_battle(self, msg, battle_id, ignore=[]):
		if type(ignore) in (str, unicode): ignore = [ignore]
		if battle_id in self.battles:
			battle = self.battles[battle_id]
			clients = [self.clientFromUsername(user) for user in list(battle.users)]
			self.multicast(clients, msg, ignore)

	def admin_broadcast(self, msg):
		for user in dict(self.usernames):
			client = self.usernames[user]
			if 'admin' in client.accesslevels:
				client.Send('SERVERMSG Admin broadcast: %s'%msg)

	def _rebind_slow(self):
		try:
			self.parseFiles()
		except:
			self.error(traceback.format_exc())
		
		try:
			self.dispatcher.rebind()
				
			for channel in dict(self.channels): # hack, but I guess reloading is all a hack :P
				chan = self.channels[channel].copy()
				del chan['name'] # 'cause we're passing it ourselves
				self.channels[channel] = sys.modules['protocol.Protocol'].Channel(self, channel, **chan)
			
			self.protocol = Protocol(self, None)
		except:
			self.error(traceback.format_exc())
			
		self.admin_broadcast('Done reloading.')
		self.console_write('Done reloading.')

	def reload(self):
		self.admin_broadcast('Reloading...')
		self.console_write('Reloading...')
		self.rotatelogfile()
		self.parseFiles()
		reload(sys.modules['SayHooks'])
		reload(sys.modules['protocol.AutoDict'])
		reload(sys.modules['protocol.Channel'])
		reload(sys.modules['protocol.Battle'])
		reload(sys.modules['protocol.Protocol'])
		reload(sys.modules['protocol'])
		reload(sys.modules['ChanServ'])
		reload(sys.modules['Client'])
		reload(sys.modules['SQLUsers'])
		self.SayHooks = __import__('SayHooks')
		ip2country.reloaddb()
		thread.start_new_thread(self._rebind_slow, ()) # why should reloading block the thread? :)

	def rotatelogfile(self):
		self.log = False
		try:
			if self.logfile:
				self.logfile.close()
			oldfilename = self.logfilename + ".old"
			if os.path.exists(oldfilename):
				os.remove(oldfilename)
			os.rename(self.logfilename, oldfilename)
		except IOError as e:
			print("Error rotaing logfile %s"% (e.strerror))
		self.logfile = file(self.logfilename, 'w')
		print 'Logging enabled at: %s' % self.logfilename
		self.log = True
Example #6
0
	def parseArgv(self, argv):
		'parses command-line options'
		args = {'ignoreme':[]}
		mainarg = 'ignoreme'

		tempargv = list(argv)
		while tempargv:
			arg = tempargv.pop(0)
			if arg.startswith('-'):
				mainarg = arg.lstrip('-').lower()

				if mainarg in ['g', 'loadargs']:
					try:
						name = tempargv[0]
						if name.startswith('-'): raise Exception
						f = file(name, 'r')
						lines = f.read().split('\n')
						f.close()

						tempargv += ' '.join(lines).split(' ')
					except:
						pass

				args[mainarg] = []
			else:
				args[mainarg].append(arg)
		del args['ignoreme']

		for arg in args:
			argp = args[arg]
			if arg in ['h', 'help']:
				self.showhelp()
			if arg in ['p', 'port']:
				try: self.port = int(argp[0])
				except: print 'Invalid port specification'
			elif arg in ['n', 'natport']:
				try: self.natport = int(argp[0])
				except: print 'Invalid NAT port specification'
			elif arg in ['o', 'output']:
				try: self.logfilename = argp[0]
				except: print 'Error specifying log location'
				self.rotatelogfile()
			elif arg in ['u', 'sighup']:
				self.sighup = True
			elif arg in ['v', 'latestspringversion']:
				try: self.latestspringversion = argp[0] # ' '.join(argp) # shouldn't have spaces
				except: print 'Error specifying latest spring version'
			elif arg in ['m', 'maxthreads']:
				try: self.max_threads = int(argp[0])
				except: print 'Error specifing max threads'
			elif arg in ['s', 'sqlurl']:
				try:
					self.sqlurl = argp[0]
				except:
					print 'Error specifying SQL URL'
			elif arg in ['c', 'no-censor']:
				self.censor = False
			elif arg in ['a', 'agreement']:
				try:
					self.argeementfile = argp[0]
				except:
					print 'Error reading agreement file'
			elif arg == 'proxies':
				try:
					self.trusted_proxyfile = argp[0]
					open(self.trusted_proxyfile, 'r').close()
				except:
					print 'Error opening trusted proxy file.'
					self.trusted_proxyfile = None
		sqlalchemy = __import__('sqlalchemy')
		self.engine = sqlalchemy.create_engine(self.sqlurl) # hopefully no thread will open more than two sql connections :/
		if self.sqlurl.startswith('sqlite'):
			print 'Multiple threads are not supported with sqlite, forcing a single thread'
			print 'Please note the server performance will not be optimal'
			print 'You might want to install a real database server or use LAN mode'
			print
			self.max_threads = 1

		self.userdb = UsersHandler(self, self.engine)
		self.channeldb = ChannelsHandler(self, self.engine)
		channels = self.channeldb.load_channels()
		
		for name in channels:
			channel = channels[name]
			
			owner = None
			admins = []
			client = self.userdb.clientFromUsername(channel['owner'])
			if client and client.id: owner = client.id
				
			for user in channel['admins']:
				client = userdb.clientFromUsername(user)
				if client and client.id:
					admins.append(client.id)
				
			self.channels[name] = Channel(self, name, chanserv=bool(owner), owner=owner, admins=admins, key=channel['key'], antispam=channel['antispam'], topic={'user':'******', 'text':channel['topic'], 'time':int(time.time())})
			
		if self.chanserv:
			for name in channels:
				self.chanserv.client._protocol._handle(self.chanserv.client, 'JOIN %s' % name)
		
		if not self.log:
			self.rotatelogfile()
		
		self.parseFiles()

		self.protocol = Protocol(self, None)
Example #7
0
    def parseArgv(self, argv):
        'parses command-line options'
        args = {'ignoreme': []}
        mainarg = 'ignoreme'

        tempargv = list(argv)
        while tempargv:
            arg = tempargv.pop(0)
            if arg.startswith('-'):
                mainarg = arg.lstrip('-').lower()

                if mainarg in ['g', 'loadargs']:
                    try:
                        name = tempargv[0]
                        if name.startswith('-'): raise Exception
                        f = file(name, 'r')
                        lines = f.read().split('\n')
                        f.close()

                        tempargv += ' '.join(lines).split(' ')
                    except:
                        pass

                args[mainarg] = []
            else:
                args[mainarg].append(arg)
        del args['ignoreme']

        for arg in args:
            argp = args[arg]

            if arg in ['r', 'redirect']:
                self.redirect = argp[0]
            if arg in ['h', 'help']:
                self.showhelp()
            if arg in ['p', 'port']:
                try:
                    self.port = int(argp[0])
                except:
                    print('Invalid port specification')
            elif arg in ['n', 'natport']:
                try:
                    self.natport = int(argp[0])
                except:
                    print('Invalid NAT port specification')
            elif arg in ['o', 'output']:
                try:
                    self.logfilename = argp[0]
                except:
                    print('Error specifying log location')
                self.rotatelogfile()
            elif arg in ['u', 'sighup']:
                self.sighup = True
            elif arg in ['v', 'latestspringversion']:
                try:
                    self.latestspringversion = argp[
                        0]  # ' '.join(argp) # shouldn't have spaces
                except:
                    print('Error specifying latest spring version')
            elif arg in ['m', 'maxthreads']:
                try:
                    self.max_threads = int(argp[0])
                except:
                    print('Error specifing max threads')
            elif arg in ['s', 'sqlurl']:
                try:
                    self.sqlurl = argp[0]
                except:
                    print('Error specifying SQL URL')
            elif arg in ['c', 'no-censor']:
                self.censor = False
            elif arg in ['a', 'agreement']:
                try:
                    self.argeementfile = argp[0]
                except:
                    print('Error reading agreement file')
            elif arg in ['p', 'agreementplain']:
                try:
                    self.argeementfileplain = argp[0]
                except:
                    print('Error reading agreement file')
            elif arg == 'proxies':
                try:
                    self.trusted_proxyfile = argp[0]
                    open(self.trusted_proxyfile, 'r').close()
                except:
                    print('Error opening trusted proxy file.')
                    self.trusted_proxyfile = None

            elif arg == 'sec_auths':
                try:
                    self.force_secure_client_auths = (int(argp[0]) != 0)
                except:
                    pass
            elif arg == 'sec_comms':
                try:
                    self.force_secure_client_comms = (int(argp[0]) != 0)
                except:
                    pass
            elif arg == 'msg_hmacs':
                try:
                    self.use_message_authent_codes = (int(argp[0]) != 0)
                except:
                    pass

        sqlalchemy = __import__('sqlalchemy')
        if self.sqlurl.startswith('sqlite'):
            print(
                'Multiple threads are not supported with sqlite, forcing a single thread'
            )
            print('Please note the server performance will not be optimal')
            print(
                'You might want to install a real database server or use LAN mode'
            )
            print()
            self.max_threads = 1
            self.engine = sqlalchemy.create_engine(self.sqlurl)

            def _fk_pragma_on_connect(dbapi_con, con_record):
                dbapi_con.execute('PRAGMA journal_mode = MEMORY')
                dbapi_con.execute('PRAGMA synchronous = OFF')

            ## FIXME: "ImportError: cannot import name event"
            from sqlalchemy import event
            event.listen(self.engine, 'connect', _fk_pragma_on_connect)
        else:
            self.engine = sqlalchemy.create_engine(self.sqlurl,
                                                   pool_size=self.max_threads *
                                                   2,
                                                   pool_recycle=300)

        self.userdb = UsersHandler(self, self.engine)
        self.channeldb = ChannelsHandler(self, self.engine)
        channels = self.channeldb.load_channels()

        for name in channels:
            channel = channels[name]

            owner = None
            admins = []
            client = self.userdb.clientFromUsername(channel['owner'])
            if client and client.id: owner = client.id

            for user in channel['admins']:
                client = userdb.clientFromUsername(user)
                if client and client.id:
                    admins.append(client.id)

            self.channels[name] = Channel(self,
                                          name,
                                          chanserv=bool(owner),
                                          id=channel['id'],
                                          owner=owner,
                                          admins=admins,
                                          key=channel['key'],
                                          antispam=channel['antispam'],
                                          topic={
                                              'user': '******',
                                              'text': channel['topic'],
                                              'time': int(time.time())
                                          })

        if self.chanserv:
            for name in channels:
                self.chanserv.client.HandleProtocolCommand('JOIN %s' % name)

        if not self.log:
            self.rotatelogfile()

        self.parseFiles()

        self.protocol = Protocol(self)
Example #8
0
class DataHandler:
    def __init__(self):
        self.local_ip = None
        self.online_ip = None
        self.session_id = 0
        self.dispatcher = None
        self.console_buffer = []
        self.port = 8200
        self.xmlport = 8300
        self.xmlhost = '127.0.0.1'
        self.natport = self.port + 1
        self.latestspringversion = '*'
        self.log = False
        self.logfile = None
        self.logfilename = 'server.log'
        self.agreementfile = 'agreement.rtf'  #FIXME: remove/deprecated
        self.agreementfileplain = 'agreement.txt'
        self.agreement = []  #FIXME: remove
        self.agreementplain = []
        self.server = 'TASServer'
        self.server_version = 0.36
        self.sighup = False
        self.crypto_key_dir = "server-rsa-keys/"

        self.force_secure_client_auths = False  ## if true, LOGIN and REGISTER must be encrypted
        self.force_secure_client_comms = False  ## if true, ALL commands must be encrypted
        self.use_message_authent_codes = False  ## if true, all messages must include (H)MACs

        self.chanserv = None
        self.userdb = None
        self.channeldb = None
        self.engine = None
        self.protocol = None
        self.updatefile = None
        self.trusted_proxyfile = None

        self.max_threads = 25
        self.sqlurl = 'sqlite:///server.db'
        self.nextbattle = 0
        self.SayHooks = __import__('SayHooks')
        self.censor = True
        self.motd = None
        self.running = True
        self.redirect = None

        self.trusted_proxies = []

        self.start_time = time.time()
        self.channels = {}
        self.usernames = {}
        self.clients = {}
        self.db_ids = {}
        self.battles = {}
        thread.start_new_thread(self.event_loop, ())

    def showhelp(self):
        print('Usage: server.py [OPTIONS]...')
        print('Starts uberserver.')
        print()
        print('Options:')
        print('  -h, --help')
        print('      { Displays this screen then exits }')
        print('  -p, --port number')
        print('      { Server will host on this port (default is 8200) }')
        print('  -n, --natport number')
        print(
            '      { Server will use this port for NAT transversal (default is 8201) }'
        )
        print('  -g, --loadargs filename')
        print('      { Reads additional command-line arguments from file }')
        print('  -o, --output /path/to/file.log')
        print('      { Writes console output to file (for logging) }')
        print('  -u, --sighup')
        print(
            '      { Reload the server on SIGHUP (if SIGHUP is supported by OS) }'
        )
        print('  -v, --latestspringversion version')
        print(
            '      { Sets latest Spring version to this string. Defaults to "*" }'
        )
        print('  -m, --maxthreads number')
        print(
            '      { Uses the specified number of threads for handling clients }'
        )
        print('  -s, --sqlurl SQLURL')
        print(
            '      { Uses SQL database at the specified sqlurl for user, channel, and ban storage. }'
        )
        print('  -c, --no-censor')
        print(
            '      { Disables censoring of #main, #newbies, and usernames (default is to censor) }'
        )
        print('  --proxies /path/to/proxies.txt')
        print(
            '     { Path to proxies.txt, for trusting proxies to pass real IP through local IP }'
        )
        print('   -a --agreement /path/to/agreement.txt')
        print(
            '     { sets the pat to the agreement file which is sent to a client registering at the server }'
        )
        print('   -r --redirect "hostname/ip port"')
        print('     { redirects connecting clients to the given ip and port')
        print('SQLURL Examples:')
        #print('  "sqlite:///:memory:" or "sqlite:///"')
        #print('     { both make a temporary database in memory }')
        print('  "sqlite:////absolute/path/to/database.txt"')
        print('     { uses a database in the file specified }')
        print('  "sqlite:///relative/path/to/database.txt"')
        print('     { note sqlite is slower than a real SQL server }')
        print(
            '  "mysql://*****:*****@server:port/database?charset=utf8&use_unicode=0"'
        )
        print('     { requires the MySQLdb module }')
        print('  "oracle://*****:*****@server:port/database"')
        print('     { requires the cx_Oracle module }')
        print('  "postgres://*****:*****@server:port/database"')
        print('     { requires the psycopg2 module }')
        print('  "mssql://*****:*****@server:port/database"')
        print('     { requires pyodbc (recommended) or adodbapi or pymssql }')
        print('  "firebird://*****:*****@server:port/database"')
        print('     { requires the kinterbasdb module }')
        print()
        print(
            'Usage example (this is what the test server uses at the moment):')
        print(' server.py -p 8300 -n 8301')
        print()
        exit()

    def parseArgv(self, argv):
        'parses command-line options'
        args = {'ignoreme': []}
        mainarg = 'ignoreme'

        tempargv = list(argv)
        while tempargv:
            arg = tempargv.pop(0)
            if arg.startswith('-'):
                mainarg = arg.lstrip('-').lower()

                if mainarg in ['g', 'loadargs']:
                    try:
                        name = tempargv[0]
                        if name.startswith('-'): raise Exception
                        f = file(name, 'r')
                        lines = f.read().split('\n')
                        f.close()

                        tempargv += ' '.join(lines).split(' ')
                    except:
                        pass

                args[mainarg] = []
            else:
                args[mainarg].append(arg)
        del args['ignoreme']

        for arg in args:
            argp = args[arg]

            if arg in ['r', 'redirect']:
                self.redirect = argp[0]
            if arg in ['h', 'help']:
                self.showhelp()
            if arg in ['p', 'port']:
                try:
                    self.port = int(argp[0])
                except:
                    print('Invalid port specification')
            elif arg in ['n', 'natport']:
                try:
                    self.natport = int(argp[0])
                except:
                    print('Invalid NAT port specification')
            elif arg in ['o', 'output']:
                try:
                    self.logfilename = argp[0]
                except:
                    print('Error specifying log location')
                self.rotatelogfile()
            elif arg in ['u', 'sighup']:
                self.sighup = True
            elif arg in ['v', 'latestspringversion']:
                try:
                    self.latestspringversion = argp[
                        0]  # ' '.join(argp) # shouldn't have spaces
                except:
                    print('Error specifying latest spring version')
            elif arg in ['m', 'maxthreads']:
                try:
                    self.max_threads = int(argp[0])
                except:
                    print('Error specifing max threads')
            elif arg in ['s', 'sqlurl']:
                try:
                    self.sqlurl = argp[0]
                except:
                    print('Error specifying SQL URL')
            elif arg in ['c', 'no-censor']:
                self.censor = False
            elif arg in ['a', 'agreement']:
                try:
                    self.argeementfile = argp[0]
                except:
                    print('Error reading agreement file')
            elif arg in ['p', 'agreementplain']:
                try:
                    self.argeementfileplain = argp[0]
                except:
                    print('Error reading agreement file')
            elif arg == 'proxies':
                try:
                    self.trusted_proxyfile = argp[0]
                    open(self.trusted_proxyfile, 'r').close()
                except:
                    print('Error opening trusted proxy file.')
                    self.trusted_proxyfile = None

            elif arg == 'sec_auths':
                try:
                    self.force_secure_client_auths = (int(argp[0]) != 0)
                except:
                    pass
            elif arg == 'sec_comms':
                try:
                    self.force_secure_client_comms = (int(argp[0]) != 0)
                except:
                    pass
            elif arg == 'msg_hmacs':
                try:
                    self.use_message_authent_codes = (int(argp[0]) != 0)
                except:
                    pass

        sqlalchemy = __import__('sqlalchemy')
        if self.sqlurl.startswith('sqlite'):
            print(
                'Multiple threads are not supported with sqlite, forcing a single thread'
            )
            print('Please note the server performance will not be optimal')
            print(
                'You might want to install a real database server or use LAN mode'
            )
            print()
            self.max_threads = 1
            self.engine = sqlalchemy.create_engine(self.sqlurl)

            def _fk_pragma_on_connect(dbapi_con, con_record):
                dbapi_con.execute('PRAGMA journal_mode = MEMORY')
                dbapi_con.execute('PRAGMA synchronous = OFF')

            ## FIXME: "ImportError: cannot import name event"
            from sqlalchemy import event
            event.listen(self.engine, 'connect', _fk_pragma_on_connect)
        else:
            self.engine = sqlalchemy.create_engine(self.sqlurl,
                                                   pool_size=self.max_threads *
                                                   2,
                                                   pool_recycle=300)

        self.userdb = UsersHandler(self, self.engine)
        self.channeldb = ChannelsHandler(self, self.engine)
        channels = self.channeldb.load_channels()

        for name in channels:
            channel = channels[name]

            owner = None
            admins = []
            client = self.userdb.clientFromUsername(channel['owner'])
            if client and client.id: owner = client.id

            for user in channel['admins']:
                client = userdb.clientFromUsername(user)
                if client and client.id:
                    admins.append(client.id)

            self.channels[name] = Channel(self,
                                          name,
                                          chanserv=bool(owner),
                                          id=channel['id'],
                                          owner=owner,
                                          admins=admins,
                                          key=channel['key'],
                                          antispam=channel['antispam'],
                                          topic={
                                              'user': '******',
                                              'text': channel['topic'],
                                              'time': int(time.time())
                                          })

        if self.chanserv:
            for name in channels:
                self.chanserv.client.HandleProtocolCommand('JOIN %s' % name)

        if not self.log:
            self.rotatelogfile()

        self.parseFiles()

        self.protocol = Protocol(self)

    def parseFiles(self):
        if os.path.isfile('motd.txt'):
            motd = []
            f = open('motd.txt', 'r')
            data = f.read()
            f.close()
            if data:
                for line in data.split('\n'):
                    motd.append(line.strip())
            self.motd = motd

        if self.trusted_proxyfile:
            self.trusted_proxies = set([])
            f = open(self.trusted_proxyfile, 'r')
            data = f.read()
            f.close()
            if data:
                for line in data.split('\n'):
                    proxy = line.strip()
                    if not proxy.replace('.', '', 3).isdigit():
                        proxy = socket.gethostbyname(proxy)

                    if proxy:
                        self.trusted_proxies.add(proxy)
        self.agreement = []
        ins = open(self.agreementfile, "r")
        for line in ins:
            self.agreement.append(line.rstrip('\r\n'))
        self.agreementplain = []
        ins = open(self.agreementfileplain, "r")
        for line in ins:
            self.agreementplain.append(line.rstrip('\r\n'))
        ins.close()

    def getUserDB(self):
        return self.userdb

    def clientFromID(self, db_id):
        if db_id in self.db_ids: return self.db_ids[db_id]

    def clientFromUsername(self, username):
        if username in self.usernames: return self.usernames[username]

    def event_loop(self):
        start = time.time()
        lastsave = lastmute = lastidle = lastload = start
        load = 0
        try:
            os.getloadavg()
            hasload = True
        except:
            hasload = False
        while self.running:
            try:
                now = time.time()
                if now - lastmute >= 1:
                    lastmute = now
                    self.mute_timeout_step()
                elif now - lastidle > 10:
                    lastidle = now
                    self.idle_timeout_step()
                else:
                    self.console_print_step()
            except:
                self.error(traceback.format_exc())
            time.sleep(max(0.1, 1 - (time.time() - start)))

    def mute_timeout_step(self):
        try:
            now = time.time()
            channels = dict(self.channels)
            for chan in channels:
                channel = channels[chan]
                mutelist = dict(channel.mutelist)
                for db_id in mutelist:
                    expiretime = mutelist[db_id]['expires']
                    if 0 < expiretime and expiretime < now:
                        del channel.mutelist[db_id]
                        client = self.protocol.clientFromID(db_id)
                        if client:
                            channel.channelMessage(
                                '<%s> has been unmuted (mute expired).' %
                                client.username)
        except:
            self.error(traceback.format_exc())

    def idle_timeout_step(self):
        now = time.time()
        for client in self.clients.values():
            if client.static: continue
            if not client.logged_in and client.last_login < now - 60:
                client.Send("SERVERMSG timed out, no login within 60 seconds!")
                client.Remove("Connection timed out, didn't login")
            elif client.lastdata < now - 60:
                client.Send(
                    "SERVERMSG timed out, no data or PING received for >60 seconds, closing connection"
                )
                client.Remove("Connection timed out")

    def console_print_step(self):
        try:
            while self.console_buffer:
                line = self.console_buffer.pop(0).encode(UNICODE_ENCODING)
                print line
                if self.log:
                    self.logfile.write(line + '\n')

            if self.logfile:
                self.logfile.flush()
        except:
            print(separator)
            print(traceback.format_exc())
            print(separator)

    def error(self, error):
        error = '%s\n%s\n%s' % (separator, error, separator)
        self.console_write(error)
        for user in dict(self.usernames):
            try:
                if self.usernames[user].debug:
                    for line in error.split('\n'):
                        if line:
                            self.usernames[user].Send('SERVERMSG %s' % line)
            except KeyError:
                pass  # the user was removed

    def console_write(self, lines=''):
        if type(lines) in (str, unicode):
            lines = lines.split('\n')
        elif not type(lines) in (list, tuple, set):
            try:
                lines = [lines.__repr__()]
            except:
                lines = ['Failed to print lines of type %s' % type(lines)]
        strtime = datetime.datetime.fromtimestamp(int(
            time.time())).isoformat() + ' '
        for line in lines:
            self.console_buffer += [strtime + line]

    # the sourceClient is only sent for SAY*, and RING commands
    def multicast(self, clients, msg, ignore=(), sourceClient=None):
        if type(ignore) in (str, unicode): ignore = [ignore]
        static = []
        for client in clients:
            if client and not client.username in ignore and \
                (sourceClient == None or not sourceClient.db_id in client.ignored):
                if client.static: static.append(client)
                else: client.Send(msg)

        # this is so static clients don't respond before other people even receive the message
        for client in static:
            client.Send(msg)

    # the sourceClient is only sent for SAY*, and RING commands
    def broadcast(self, msg, chan=None, ignore=(), sourceClient=None):
        if type(ignore) in (str, unicode): ignore = [ignore]
        try:
            if chan in self.channels:
                channel = self.channels[chan]
                if len(channel.users) > 0:
                    clients = [
                        self.clientFromUsername(user)
                        for user in list(channel.users)
                    ]
                    self.multicast(clients, msg, ignore, sourceClient)
            else:
                clients = [
                    self.clientFromUsername(user)
                    for user in list(self.usernames)
                ]
                self.multicast(clients, msg, ignore, sourceClient)
        except:
            self.error(traceback.format_exc())

    # the sourceClient is only sent for SAY*, and RING commands
    def broadcast_battle(self, msg, battle_id, ignore=[], sourceClient=None):
        if type(ignore) in (str, unicode): ignore = [ignore]
        if battle_id in self.battles:
            battle = self.battles[battle_id]
            clients = [
                self.clientFromUsername(user) for user in list(battle.users)
            ]
            self.multicast(clients, msg, ignore, sourceClient)

    def admin_broadcast(self, msg):
        for user in dict(self.usernames):
            client = self.usernames[user]
            if 'admin' in client.accesslevels:
                client.Send('SERVERMSG Admin broadcast: %s' % msg)

    def _rebind_slow(self):
        try:
            self.dispatcher.rebind()

            for channel in dict(
                    self.channels
            ):  # hack, but I guess reloading is all a hack :P
                chan = self.channels[channel].copy()
                del chan['name']  # 'cause we're passing it ourselves
                self.channels[channel] = sys.modules[
                    'protocol.Protocol'].Channel(self, channel, **chan)

            self.protocol = Protocol(self)
        except:
            self.error(traceback.format_exc())

        self.admin_broadcast('Done reloading.')
        self.console_write('Done reloading.')

    def reload(self):
        self.admin_broadcast('Reloading...')
        self.console_write('Reloading...')
        self.rotatelogfile()
        self.parseFiles()
        reload(sys.modules['SayHooks'])
        reload(sys.modules['ChanServ'])
        reload(sys.modules['BaseClient'])
        reload(sys.modules['SQLUsers'])
        reload(sys.modules['Client'])
        reload(sys.modules['CryptoHandler'])
        reload(sys.modules['protocol.AutoDict'])
        reload(sys.modules['protocol.Channel'])
        reload(sys.modules['protocol.Battle'])
        reload(sys.modules['protocol.Protocol'])
        reload(sys.modules['protocol'])
        self.SayHooks = __import__('SayHooks')
        ip2country.reloaddb()
        thread.start_new_thread(
            self._rebind_slow, ())  # why should reloading block the thread? :)

    def rotatelogfile(self):
        self.log = False
        try:
            if self.logfile:
                self.console_print_step()  # flush logfile
                self.logfile.close()
            oldfilename = self.logfilename + ".old"
            if os.path.exists(oldfilename):
                os.remove(oldfilename)
            os.rename(self.logfilename, oldfilename)
        except OSError as e:
            print("Error rotaing logfile %s" % (e.strerror))
        except IOError as e:
            print("Error rotaing logfile %s" % (e.strerror))
        self.logfile = file(self.logfilename, 'w')
        print('Logging enabled at: %s' % self.logfilename)
        self.log = True
Example #9
0
	def parseArgv(self, argv):
		'parses command-line options'
		args = {'ignoreme':[]}
		mainarg = 'ignoreme'

		tempargv = list(argv)
		while tempargv:
			arg = tempargv.pop(0)
			if arg.startswith('-'):
				mainarg = arg.lstrip('-').lower()

				if mainarg in ['g', 'loadargs']:
					try:
						name = tempargv[0]
						if name.startswith('-'): raise Exception
						f = file(name, 'r')
						lines = f.read().split('\n')
						f.close()

						tempargv += ' '.join(lines).split(' ')
					except:
						pass

				args[mainarg] = []
			else:
				args[mainarg].append(arg)
		del args['ignoreme']

		for arg in args:
			argp = args[arg]

			if arg in ['r', 'redirect']:
				self.redirect = argp[0]
			if arg in ['h', 'help']:
				self.showhelp()
			if arg in ['p', 'port']:
				try: self.port = int(argp[0])
				except: print('Invalid port specification')
			elif arg in ['n', 'natport']:
				try: self.natport = int(argp[0])
				except: print('Invalid NAT port specification')
			elif arg in ['o', 'output']:
				try: self.logfilename = argp[0]
				except: print('Error specifying log location')
				self.rotatelogfile()
			elif arg in ['u', 'sighup']:
				self.sighup = True
			elif arg in ['v', 'latestspringversion']:
				try: self.latestspringversion = argp[0] # ' '.join(argp) # shouldn't have spaces
				except: print('Error specifying latest spring version')
			elif arg in ['m', 'maxthreads']:
				try: self.max_threads = int(argp[0])
				except: print('Error specifing max threads')
			elif arg in ['s', 'sqlurl']:
				try:
					self.sqlurl = argp[0]
				except:
					print('Error specifying SQL URL')
			elif arg in ['c', 'no-censor']:
				self.censor = False
			elif arg in ['a', 'agreement']:
				try:
					self.argeementfile = argp[0]
				except:
					print('Error reading agreement file')
			elif arg in ['p', 'agreementplain']:
				try:
					self.argeementfileplain = argp[0]
				except:
					print('Error reading agreement file')
			elif arg == 'proxies':
				try:
					self.trusted_proxyfile = argp[0]
					open(self.trusted_proxyfile, 'r').close()
				except:
					print('Error opening trusted proxy file.')
					self.trusted_proxyfile = None

			elif arg == 'sec_auths':
				try: self.force_secure_client_auths = (int(argp[0]) != 0)
				except: pass
			elif arg == 'sec_comms':
				try: self.force_secure_client_comms = (int(argp[0]) != 0)
				except: pass
			elif arg == 'msg_hmacs':
				try: self.use_message_authent_codes = (int(argp[0]) != 0)
				except: pass

		sqlalchemy = __import__('sqlalchemy')
		if self.sqlurl.startswith('sqlite'):
			print('Multiple threads are not supported with sqlite, forcing a single thread')
			print('Please note the server performance will not be optimal')
			print('You might want to install a real database server or use LAN mode')
			print()
			self.max_threads = 1
			self.engine = sqlalchemy.create_engine(self.sqlurl)
			def _fk_pragma_on_connect(dbapi_con, con_record):
				dbapi_con.execute('PRAGMA journal_mode = MEMORY')
				dbapi_con.execute('PRAGMA synchronous = OFF')
			## FIXME: "ImportError: cannot import name event"
			from sqlalchemy import event
			event.listen(self.engine, 'connect', _fk_pragma_on_connect)
		else:
			self.engine = sqlalchemy.create_engine(self.sqlurl, pool_size=self.max_threads * 2, pool_recycle=300)

		self.userdb = UsersHandler(self, self.engine)
		self.channeldb = ChannelsHandler(self, self.engine)
		channels = self.channeldb.load_channels()
		
		for name in channels:
			channel = channels[name]
			
			owner = None
			admins = []
			client = self.userdb.clientFromUsername(channel['owner'])
			if client and client.id: owner = client.id
				
			for user in channel['admins']:
				client = userdb.clientFromUsername(user)
				if client and client.id:
					admins.append(client.id)
				
			self.channels[name] = Channel(self, name, chanserv=bool(owner), id = channel['id'], owner=owner, admins=admins, key=channel['key'], antispam=channel['antispam'], topic={'user':'******', 'text':channel['topic'], 'time':int(time.time())})
			
		if self.chanserv:
			for name in channels:
				self.chanserv.client.HandleProtocolCommand('JOIN %s' % name)
		
		if not self.log:
			self.rotatelogfile()
		
		self.parseFiles()

		self.protocol = Protocol(self)
Example #10
0
class Server(object):
  """
  Klasa serwera zajmuje się zarządzaniem połączeniami.
  """
  def __init__(self):
    """
    Konstruktor klasy.

    Ładuje on konfigurację, ustawia socket nasłuchujący na połączenia oraz
    definiuje struktury wymagane do działania serwera.
    """
    Logger.log('Witam!')

    self._cfg = JSONConfig(open('config.json', 'r'))
    self._gamestate = GameState(self._cfg)
    
    # Inicjalizujemy kolejkę epoll.
    self._poller = select.epoll(3)
    self._init_listen_socket()

    # Odpowiednie hashmapy do odpytywania socketów i pakietów do wysłania.
    self._client_sockets = {}
    self._packet_queues = {}
    self._player_bindings = {}

    # Tworzymy obiekt protokołu:
    self._proto = Protocol(self._gamestate, self._client_sockets,
      self._packet_queues)
    

  def _init_listen_socket(self):
    """
    Inicjalizuje gniazdko nasłuchujące na połączenia.

    Do ustalenia hosta i portu stosujemy wartości z pliku konfiguracyjnego.
    """
    host, port = self._cfg['connection.host'], self._cfg['connection.port']

    self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    self._sock.bind((host, port))
    self._sock.listen(2)

    Logger.log("Rejestrujemy SID serwera #%d do epoll..." % self._sock.fileno())
    self._poller.register(self._sock.fileno(), select.EPOLLIN | 
      select.EPOLLERR | select.EPOLLRDHUP | select.EPOLLHUP | select.EPOLLPRI)


  def _register_in_poll(self, sock):
    """
    Rejestruje gniazdko sieciowe klienta do kolejki EPOLL.

    Dodatkowo, tworzymy odpowiednie dowiązania do kolejek pakietów i hashmapy
    socketów, z kluczem ustawionym na deskryptor gniazda.
    """
    Logger.log("Rejestrujemy SID klienta #%d do epoll..." % sock.fileno())
    self._poller.register(sock.fileno(), select.EPOLLIN | select.EPOLLHUP |
        select.EPOLLERR | select.EPOLLRDHUP | select.EPOLLPRI | select.EPOLLOUT)
    self._client_sockets[sock.fileno()] = sock
    self._packet_queues[sock.fileno()] = deque()


  def _add_player(self): 
    """
    Dodaje połączenie gracza do serwera.

    Wchodzi w to sprawdzanie, czy może się połączyć (serwer nie jest pełen),
    oraz odpowiednie zapisanie i rejestrację danych po stronie serwera.
    """
    client_sock, _ = self._sock.accept()
    if len(self._client_sockets) == 2:
      client_sock.close()
      return
  
    client_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
    self._register_in_poll(client_sock)
    pl = 0
    for key in self._player_bindings:
      if self._player_bindings[key] == 0:
        pl = 1
        break
    self._player_bindings[client_sock.fileno()] = pl
    self._proto.push_player(client_sock.fileno(), pl+1)

    if len(self._client_sockets) == 2:
      Logger.log('Mamy dwóch graczy, startujemy grę!')
      self._gamestate.start()
      self._proto.push_start()


  def loop(self):
    """
    Główna pętla serwera.

    Służy głównie do czytania zdarzeń z epolla i sprawdzaniu, czy gra nie
    została ukończona.
    """
    while True:
      if self._gamestate.completed():
        Logger.log('Gra skończona! Reset...')

        loser = self._gamestate.completed()
        self._proto.push_complete(loser) # Gra skończona. Wysyłamy do klientów.
        self._gamestate.reset()

      for fno, event in self._poller.poll(0):
        if self._sock.fileno() == fno:
          Logger.log("Połączenie z serwerem...")
          self._add_player()
        else:
          sock = self._client_sockets[fno]
          if event & select.EPOLLHUP or event & select.EPOLLRDHUP:
            Logger.log('Klient o SID #%d wyszedł z gry. Resetuję...' % fno)
            self._gamestate.reset()
            self._poller.unregister(fno)
            self._client_sockets[fno].close()
            del self._client_sockets[fno]
            del self._packet_queues[fno]
            del self._player_bindings[fno]
          elif event & select.EPOLLIN:
            Logger.log('Klient do nas napisał...')
            self._proto.handle(fno)
          elif event & select.EPOLLERR:
            Logger.log('Błąd epolla (EPOLLERR)')
          elif event & select.EPOLLPRI:
            Logger.log('Ważny event doszedł do serwera.')
          elif event & select.EPOLLOUT:
            if len(self._packet_queues[fno]) > 0:
              data = self._packet_queues[fno].popleft()
              self._client_sockets[fno].sendall(data)
Example #11
0
class Server(object):
    """
  Klasa serwera zajmuje się zarządzaniem połączeniami.
  """
    def __init__(self):
        """
    Konstruktor klasy.

    Ładuje on konfigurację, ustawia socket nasłuchujący na połączenia oraz
    definiuje struktury wymagane do działania serwera.
    """
        Logger.log('Witam!')

        self._cfg = JSONConfig(open('config.json', 'r'))
        self._gamestate = GameState(self._cfg)

        # Inicjalizujemy kolejkę epoll.
        self._poller = select.epoll(3)
        self._init_listen_socket()

        # Odpowiednie hashmapy do odpytywania socketów i pakietów do wysłania.
        self._client_sockets = {}
        self._packet_queues = {}
        self._player_bindings = {}

        # Tworzymy obiekt protokołu:
        self._proto = Protocol(self._gamestate, self._client_sockets,
                               self._packet_queues)

    def _init_listen_socket(self):
        """
    Inicjalizuje gniazdko nasłuchujące na połączenia.

    Do ustalenia hosta i portu stosujemy wartości z pliku konfiguracyjnego.
    """
        host, port = self._cfg['connection.host'], self._cfg['connection.port']

        self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self._sock.bind((host, port))
        self._sock.listen(2)

        Logger.log("Rejestrujemy SID serwera #%d do epoll..." %
                   self._sock.fileno())
        self._poller.register(
            self._sock.fileno(), select.EPOLLIN | select.EPOLLERR
            | select.EPOLLRDHUP | select.EPOLLHUP | select.EPOLLPRI)

    def _register_in_poll(self, sock):
        """
    Rejestruje gniazdko sieciowe klienta do kolejki EPOLL.

    Dodatkowo, tworzymy odpowiednie dowiązania do kolejek pakietów i hashmapy
    socketów, z kluczem ustawionym na deskryptor gniazda.
    """
        Logger.log("Rejestrujemy SID klienta #%d do epoll..." % sock.fileno())
        self._poller.register(
            sock.fileno(), select.EPOLLIN | select.EPOLLHUP | select.EPOLLERR
            | select.EPOLLRDHUP | select.EPOLLPRI | select.EPOLLOUT)
        self._client_sockets[sock.fileno()] = sock
        self._packet_queues[sock.fileno()] = deque()

    def _add_player(self):
        """
    Dodaje połączenie gracza do serwera.

    Wchodzi w to sprawdzanie, czy może się połączyć (serwer nie jest pełen),
    oraz odpowiednie zapisanie i rejestrację danych po stronie serwera.
    """
        client_sock, _ = self._sock.accept()
        if len(self._client_sockets) == 2:
            client_sock.close()
            return

        client_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
        self._register_in_poll(client_sock)
        pl = 0
        for key in self._player_bindings:
            if self._player_bindings[key] == 0:
                pl = 1
                break
        self._player_bindings[client_sock.fileno()] = pl
        self._proto.push_player(client_sock.fileno(), pl + 1)

        if len(self._client_sockets) == 2:
            Logger.log('Mamy dwóch graczy, startujemy grę!')
            self._gamestate.start()
            self._proto.push_start()

    def loop(self):
        """
    Główna pętla serwera.

    Służy głównie do czytania zdarzeń z epolla i sprawdzaniu, czy gra nie
    została ukończona.
    """
        while True:
            if self._gamestate.completed():
                Logger.log('Gra skończona! Reset...')

                loser = self._gamestate.completed()
                self._proto.push_complete(
                    loser)  # Gra skończona. Wysyłamy do klientów.
                self._gamestate.reset()

            for fno, event in self._poller.poll(0):
                if self._sock.fileno() == fno:
                    Logger.log("Połączenie z serwerem...")
                    self._add_player()
                else:
                    sock = self._client_sockets[fno]
                    if event & select.EPOLLHUP or event & select.EPOLLRDHUP:
                        Logger.log(
                            'Klient o SID #%d wyszedł z gry. Resetuję...' %
                            fno)
                        self._gamestate.reset()
                        self._poller.unregister(fno)
                        self._client_sockets[fno].close()
                        del self._client_sockets[fno]
                        del self._packet_queues[fno]
                        del self._player_bindings[fno]
                    elif event & select.EPOLLIN:
                        Logger.log('Klient do nas napisał...')
                        self._proto.handle(fno)
                    elif event & select.EPOLLERR:
                        Logger.log('Błąd epolla (EPOLLERR)')
                    elif event & select.EPOLLPRI:
                        Logger.log('Ważny event doszedł do serwera.')
                    elif event & select.EPOLLOUT:
                        if len(self._packet_queues[fno]) > 0:
                            data = self._packet_queues[fno].popleft()
                            self._client_sockets[fno].sendall(data)