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Socket: Ensure driver is flagged as disconnected after a socket error.
Users were occasionally hitting a situation where the socket had errored,
causing a reconnect, but the socket wasn't closed nor the driver marked as
disconnected. This resulted in run() continuing to try and use the driver,
which would cause another error, schedule another reconnect, log an error, ad
infinitum.
Closes: Sf#2965530
Signed-off-by: James Vega <jamessan@users.sourceforge.net>
(cherry picked from commit a278d17f2b
)
Signed-off-by: Daniel Folkinshteyn <nanotube@users.sourceforge.net>
This commit is contained in:
parent
bc8457dc90
commit
108f7f2f86
@ -1,5 +1,6 @@
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###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# Copyright (c) 2010, James Vega
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -56,8 +57,9 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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self.inbuffer = ''
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self.outbuffer = ''
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self.zombie = False
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self.scheduled = None
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self.connected = False
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self.writeCheckTime = None
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self.nextReconnectTime = None
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self.resetDelay()
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# Only connect to non-SSL servers
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if self.networkGroup.get('ssl').value:
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@ -87,6 +89,11 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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# hasn't finished yet. We'll keep track of how many we get.
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if e.args[0] != 11 or self.eagains > 120:
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drivers.log.disconnect(self.currentServer, e)
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try:
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self.conn.close()
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except:
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pass
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self.connected = False
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self.scheduleReconnect()
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else:
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log.debug('Got EAGAIN, current count: %s.', self.eagains)
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@ -110,6 +117,11 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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self._reallyDie()
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def run(self):
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now = time.time()
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if self.nextReconnectTime is not None and now > self.nextReconnectTime:
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self.reconnect()
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elif self.writeCheckTime is not None and now > self.writeCheckTime:
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self._checkAndWriteOrReconnect()
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if not self.connected:
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# We sleep here because otherwise, if we're the only driver, we'll
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# spin at 100% CPU while we're disconnected.
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@ -137,7 +149,7 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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self.reconnect(reset=False, **kwargs)
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def reconnect(self, reset=True):
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self.scheduled = None
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self.nextReconnectTime = None
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if self.connected:
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drivers.log.reconnect(self.irc.network)
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self.conn.close()
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@ -172,13 +184,14 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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whenS = log.timestamp(when)
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drivers.log.debug('Connection in progress, scheduling '
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'connectedness check for %s', whenS)
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schedule.addEvent(self._checkAndWriteOrReconnect, when)
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self.writeCheckTime = when
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else:
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drivers.log.connectError(self.currentServer, e)
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self.scheduleReconnect()
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return
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def _checkAndWriteOrReconnect(self):
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self.writeCheckTime = None
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drivers.log.debug('Checking whether we are connected.')
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(_, w, _) = select.select([], [self.conn], [], 0)
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if w:
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@ -193,18 +206,19 @@ class SocketDriver(drivers.IrcDriver, drivers.ServersMixin):
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when = time.time() + self.getDelay()
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if not world.dying:
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drivers.log.reconnect(self.irc.network, when)
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if self.scheduled:
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drivers.log.error('Scheduling a second reconnect when one is '
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'already scheduled. This is a bug; please '
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if self.nextReconnectTime:
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drivers.log.error('Updating next reconnect time when one is '
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'already present. This is a bug; please '
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'report it, with an explanation of what caused '
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'this to happen.')
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schedule.removeEvent(self.scheduled)
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self.scheduled = schedule.addEvent(self.reconnect, when)
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self.nextReconnectTime = when
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def die(self):
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self.zombie = True
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if self.scheduled:
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schedule.removeEvent(self.scheduled)
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if self.nextReconnectTime is not None:
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self.nextReconnectTime = None
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if self.writeCheckTime is not None:
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self.writeCheckTime = None
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drivers.log.die(self.irc)
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def _reallyDie(self):
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