Limnoria/src/asyncoreDrivers.py

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#!/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.
###
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__revision__ = "$Id$"
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import supybot.fix as fix
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import re
import sys
import time
import socket
import asyncore
import asynchat
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import supybot.log as log
import supybot.conf as conf
import supybot.ircdb as ircdb
import supybot.utils as utils
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import supybot.world as world
import supybot.drivers as drivers
import supybot.ircmsgs as ircmsgs
import supybot.schedule as schedule
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class AsyncoreRunnerDriver(drivers.IrcDriver):
def run(self):
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#log.debug(repr(asyncore.socket_map))
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try:
timeout = conf.supybot.drivers.poll()
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if not asyncore.socket_map:
# FIXME: asyncore should take care of this... but it doesn't?
time.sleep(timeout)
else:
asyncore.poll(timeout)
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except:
drivers.log.exception('Uncaught exception:')
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class AsyncoreDriver(asynchat.async_chat, drivers.ServersMixin):
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def __init__(self, irc, servers=()):
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asynchat.async_chat.__init__(self)
drivers.ServersMixin.__init__(self, irc, servers=servers)
self.irc = irc
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self.buffer = ''
self.set_terminator('\n')
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try:
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server = self._getNextServer()
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sock = utils.getSocket(server[0])
self.set_socket(sock)
drivers.log.connect(self.currentServer)
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self.connect(server)
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except socket.error, e:
drivers.log.connectError(self.currentServer, e)
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self.reconnect(wait=True)
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def _scheduleReconnect(self, at=60):
when = time.time() + at
if not world.dying:
drivers.log.reconnect(self.irc.network, when)
def makeNewDriver():
self.irc.reset()
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driver = self.__class__(self.irc, servers=self.servers)
schedule.addEvent(makeNewDriver, when)
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def writable(self):
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while self.connected:
m = self.irc.takeMsg()
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if m:
self.push(str(m))
else:
break
return asynchat.async_chat.writable(self)
def handle_error(self):
self.handle_close()
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def collect_incoming_data(self, s):
self.buffer += s
def found_terminator(self):
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start = time.time()
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msg = ircmsgs.IrcMsg(self.buffer)
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#log.debug('Time to parse IrcMsg: %s', time.time()-start)
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self.buffer = ''
self.irc.feedMsg(msg)
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def handle_close(self):
self._scheduleReconnect()
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self.die()
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reconnect = handle_close
def handle_connect(self):
pass
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def die(self):
drivers.log.die(self.irc)
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self.close()
try:
ignore(poller)
except NameError:
poller = AsyncoreRunnerDriver()
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Driver = AsyncoreDriver
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: