Limnoria/src/twistedDrivers.py

139 lines
4.8 KiB
Python

#!/usr/bin/env python
###
# Copyright (c) 2002-2004, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
__revision__ = "$Id$"
import supybot.fix as fix
import time
import supybot.log as log
import supybot.conf as conf
import supybot.ircdb as ircdb
import supybot.drivers as drivers
import supybot.ircmsgs as ircmsgs
from twisted.internet import reactor
from twisted.protocols.basic import LineReceiver
from twisted.internet.protocol import ReconnectingClientFactory
class TwistedRunnerDriver(drivers.IrcDriver):
def run(self):
try:
reactor.iterate(conf.supybot.drivers.poll())
except:
drivers.log.exception('Uncaught exception outside reactor:')
class SupyIrcProtocol(LineReceiver):
delimiter = '\n'
MAX_LENGTH = 1024
def __init__(self):
self.mostRecentCall = reactor.callLater(1, self.checkIrcForMsgs)
def lineReceived(self, line):
start = time.time()
msg = drivers.parseMsg(line)
if msg is not None:
self.irc.feedMsg(msg)
def checkIrcForMsgs(self):
if self.connected:
msg = self.irc.takeMsg()
if msg:
self.transport.write(str(msg))
if not self.irc.zombie:
self.mostRecentCall = reactor.callLater(1, self.checkIrcForMsgs)
def connectionLost(self, failure):
drivers.log.disconnect(self.factory.currentServer, errorMsg(failure))
if not self.irc.zombie:
self.irc.reset()
else:
# Let's take and take and take until our IRC is DESTROYED!
x = 1
while x:
x = self.irc.takeMsg()
def connectionMade(self):
self.irc.reset()
self.factory.resetDelay()
self.irc.driver = self
def die(self):
drivers.log.die(self.irc)
self.factory.continueTrying = False
self.transport.loseConnection()
def reconnect(self, wait=None):
# We ignore wait here, because we handled our own waiting.
drivers.log.reconnect(self.irc.network)
self.transport.loseConnection()
def errorMsg(reason):
return reason.getErrorMessage()
class SupyReconnectingFactory(ReconnectingClientFactory, drivers.ServersMixin):
maxDelay = 300
protocol = SupyIrcProtocol
def __init__(self, irc):
self.irc = irc
drivers.ServersMixin.__init__(self, irc)
(server, port) = self._getNextServer()
reactor.connectTCP(server, port, self)
def clientConnectionFailed(self, connector, r):
drivers.log.connectError(self.currentServer, errorMsg(r))
(connector.host, connector.port) = self._getNextServer()
ReconnectingClientFactory.clientConnectionFailed(self, connector, r)
def clientConnectionLost(self, connector, r):
(connector.host, connector.port) = self._getNextServer()
ReconnectingClientFactory.clientConnectionLost(self, connector, r)
def startedConnecting(self, connector):
drivers.log.connect(self.currentServer)
def buildProtocol(self, addr):
protocol = ReconnectingClientFactory.buildProtocol(self, addr)
protocol.irc = self.irc
return protocol
def die(self):
pass
Driver = SupyReconnectingFactory
try:
ignore(poller)
except NameError:
poller = TwistedRunnerDriver()
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: