def outgoing_tube_factory(connecting_fount, connecting_drain):
client_filter = or_command_filter(self.client_allowed, self.client_allowed_prefixes)
client_sieve = tubeFilter(client_filter.is_allowed)
client_replace = replacerTubeFactory(self.client_replacements)
proxy_client_sieve = series(bytesToLines(), client_replace, client_sieve, linesToBytes())
client_fanout = Out()
client_err_fount = client_fanout.newFount()
client_sieve_fount = client_fanout.newFount()
client_sieve_fount.flowTo(proxy_client_sieve).flowTo(connecting_drain)
server_fanin = In()
server_fanin.fount.flowTo(display_received("server")).flowTo(listening_drain)
#server_fanin.fount.flowTo(listening_drain)
server_fanin_proxy_drain = server_fanin.newDrain()
server_fanin_err_drain = server_fanin.newDrain()
error_sieve = tubeFilter(lambda item: not client_filter.is_allowed(item))
replace_with_error_tube = lambda err_message: tubeMap(lambda item: err_message)
proxy_error_sieve = series(bytesToLines(), error_sieve, replace_with_error_tube(self.filtered_msg), linesToBytes())
client_err_fount.flowTo(series(proxy_error_sieve, server_fanin_err_drain))
server_filter = or_command_filter(self.server_allowed, self.server_allowed_prefixes)
server_sieve = tubeFilter(server_filter.is_allowed)
proxy_server_sieve = series(bytesToLines(), server_sieve, linesToBytes())
connecting_fount.flowTo(proxy_server_sieve).flowTo(server_fanin_proxy_drain)
listening_fount.flowTo(series(display_received("client"), client_fanout.drain))
class Channel(object):
"""
A chat room.
"""
def __init__(self, name):
self._name = name
self._out = Out()
self._in = In()
self._in.fount.flowTo(self._out.drain)
def participate(self, participant):
"""
Create a new drain of messages going to this channel and a new fount of
messages coming from this channel, for the given participant.
@param participant: the name of the participant joining.
@return: a 2-tuple of (new fount, new drain)
"""
@receiver(IMapping, IMapping,
name="->addSender({}, {})".format(participant.name,
self._name))
def addSender(item):
yield dict(item, sender=participant.name, channel=self._name)
return (self._out.newFount(),
series(addSender, self._in.newDrain()))
class Channel(object):
def __init__(self, name):
self._name = name
self._out = Out()
self._in = In()
self._in.fount.flowTo(self._out.drain)
def participate(self, participant):
@receiver(IMapping, IMapping)
def addSender(item):
yield dict(item, sender=participant, channel=self._name)
return (self._out.newFount(), series(addSender, self._in.newDrain()))
class Channel(object):
def __init__(self, name):
self._name = name
self._out = Out()
self._in = In()
self._in.fount.flowTo(self._out.drain)
def participate(self, participant):
@receiver(IMapping, IMapping)
def addSender(item):
yield dict(item, sender=participant, channel=self._name)
return (self._out.newFount(),
series(addSender, self._in.newDrain()))
def __init__(self, name):
self._name = name
self._out = Out()
self._in = In()
self._in.fount.flowTo(self._out.drain)
def __init__(self, name):
self._name = name
self._out = Out()
self._in = In()
self._in.fount.flowTo(self._out.drain)
