Limnoria/src/twistedDrivers.py

118 lines
3.8 KiB
Python

#!/usr/bin/env python
###
# Copyright (c) 2002, 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 fix
import time
import log
import conf
import ircdb
import drivers
import 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:
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 = ircmsgs.IrcMsg(line)
log.debug('Time to parse IrcMsg: %s', time.time()-start)
try:
self.irc.feedMsg(msg)
except:
log.exception('Uncaught exception outside Irc object:')
def checkIrcForMsgs(self):
if self.connected:
msg = self.irc.takeMsg()
if msg:
self.transport.write(str(msg))
self.mostRecentCall = reactor.callLater(1, self.checkIrcForMsgs)
def connectionLost(self, failure):
self.mostRecentCall.cancel()
self.irc.reset()
log.warning(failure.getErrorMessage())
def connectionMade(self):
self.irc.reset()
self.irc.driver = self
def die(self):
log.info('Driver for %s dying.', self.irc)
self.factory.continueTrying = False
self.transport.loseConnection()
def reconnect(self):
self.transport.loseConnection()
class SupyReconnectingFactory(ReconnectingClientFactory):
maxDelay = 300
protocol = SupyIrcProtocol
def __init__(self, (server, port), irc):
self.irc = irc
self.server = (server, port)
reactor.connectTCP(server, port, self)
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()
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