def _doReadOrWrite(self, selectable, fd, event, POLLIN, POLLOUT, log,
faildict={
error.ConnectionDone: failure.Failure(error.ConnectionDone()),
error.ConnectionLost: failure.Failure(error.ConnectionLost())
}):
why = None
inRead = False
if event & POLL_DISCONNECTED and not (event & POLLIN):
why = main.CONNECTION_LOST
else:
try:
if event & POLLIN:
why = selectable.doRead()
inRead = True
if not why and event & POLLOUT:
why = selectable.doWrite()
inRead = False
if not selectable.fileno() == fd:
why = error.ConnectionFdescWentAway('Filedescriptor went away')
inRead = False
except AttributeError, ae:
if "'NoneType' object has no attribute 'writeHeaders'" not in ae.message:
log.deferr()
why = sys.exc_info()[1]
else:
why = None
except:
def _doReadOrWrite(self, selectable, fd, event):
why = None
inRead = False
if event & POLL_DISCONNECTED and not (event & POLLIN):
if fd in self._reads:
why = main.CONNECTION_DONE
inRead = True
else:
why = main.CONNECTION_LOST
else:
try:
if event & POLLIN:
why = selectable.doRead()
inRead = True
if not why and event & POLLOUT:
why = selectable.doWrite()
inRead = False
if not selectable.fileno() == fd:
why = error.ConnectionFdescWentAway(
'Filedescriptor went away')
inRead = False
except:
log.deferr()
why = sys.exc_info()[1]
if why:
self._disconnectSelectable(selectable, why, inRead)
def _doReadOrWrite(self, selectable, fd, event):
"""
fd is available for read or write, make the work and raise errors
if necessary.
"""
why = None
inRead = False
if event & _POLL_DISCONNECTED and not (event & _epoll.IN):
why = CONNECTION_LOST
else:
try:
if event & _epoll.IN:
why = selectable.doRead()
inRead = True
if not why and event & _epoll.OUT:
why = selectable.doWrite()
inRead = False
if selectable.fileno() != fd:
why = error.ConnectionFdescWentAway(
'Filedescriptor went away')
inRead = False
except:
log.err()
why = sys.exc_info()[1]
if why:
self._disconnectSelectable(selectable, why, inRead)
def _doReadOrWrite(
self,
selectable,
fd,
event,
POLLIN,
POLLOUT,
log,
faildict={
error.ConnectionDone: failure.Failure(error.ConnectionDone()),
error.ConnectionLost: failure.Failure(error.ConnectionLost())
}):
why = None
inRead = False
if event & POLL_DISCONNECTED and not (event & POLLIN):
why = main.CONNECTION_LOST
else:
try:
if event & POLLIN:
why = selectable.doRead()
inRead = True
if not why and event & POLLOUT:
why = selectable.doWrite()
inRead = False
if not selectable.fileno() == fd:
why = error.ConnectionFdescWentAway(
'Filedescriptor went away')
inRead = False
except:
log.deferr()
why = sys.exc_info()[1]
if why:
self._disconnectSelectable(selectable, why, inRead)
def _doReadOrWrite(self,
selectable,
fd,
event,
POLLIN,
POLLOUT,
log,
faildict=None):
if not faildict:
faildict = {
error.ConnectionDone: failure.Failure(error.ConnectionDone()),
error.ConnectionLost: failure.Failure(error.ConnectionLost())
}
why = None
inRead = False
if event & POLL_DISCONNECTED and not (event & POLLIN):
why = main.CONNECTION_LOST
else:
try:
if event & POLLIN:
why = selectable.doRead()
inRead = True
if not why and event & POLLOUT:
why = selectable.doWrite()
inRead = False
if not selectable.fileno() == fd:
why = error.ConnectionFdescWentAway(
'Filedescriptor went away')
inRead = False
except AttributeError as ae:
if "'NoneType' object has no attribute 'writeHeaders'" not in six.text_type(
ae):
log.deferr()
why = sys.exc_info()[1]
else:
why = None
except:
log.deferr()
why = sys.exc_info()[1]
if why:
try:
self._disconnectSelectable(selectable, why, inRead)
except RuntimeError:
pass
from twisted.internet.interfaces import (IReactorTCP, IReactorUDP, IReactorSSL,
_IReactorArbitrary, IReactorSocket)
from twisted.internet.interfaces import IReactorProcess, IReactorMulticast
from twisted.internet.interfaces import IHalfCloseableDescriptor
from twisted.internet import error
from twisted.internet import tcp, udp
from twisted.python import log, failure, util
from twisted.persisted import styles
from twisted.python.runtime import platformType, platform
from twisted.internet.base import ReactorBase, _SignalReactorMixin
from twisted.internet.main import CONNECTION_DONE, CONNECTION_LOST
# Exceptions that doSelect might return frequently
_NO_FILENO = error.ConnectionFdescWentAway('Handler has no fileno method')
_NO_FILEDESC = error.ConnectionFdescWentAway('File descriptor lost')
try:
from twisted.protocols import tls
except ImportError:
tls = None
try:
from twisted.internet import ssl
except ImportError:
ssl = None
try:
from twisted.internet import unix
unixEnabled = True
except ImportError:
TLSMemoryBIOFactory = None
_extraInterfaces = ()
warnings.warn(
"pyOpenSSL 0.10 or newer is required for SSL support in iocpreactor. "
"It is missing, so the reactor will not support SSL APIs.")
else:
_extraInterfaces = (interfaces.IReactorSSL,)
MAX_TIMEOUT = 2000 # 2 seconds, see doIteration for explanation
EVENTS_PER_LOOP = 1000 # XXX: what's a good value here?
# keys to associate with normal and waker events
KEY_NORMAL, KEY_WAKEUP = range(2)
_NO_GETHANDLE = error.ConnectionFdescWentAway(
'Handler has no getFileHandle method')
_NO_FILEDESC = error.ConnectionFdescWentAway('Filedescriptor went away')
class IOCPReactor(base._SignalReactorMixin, base.ReactorBase,
_ThreadedWin32EventsMixin):
implements(interfaces.IReactorTCP, interfaces.IReactorUDP,
interfaces.IReactorMulticast, interfaces.IReactorProcess,
*_extraInterfaces)
port = None
def __init__(self):
base.ReactorBase.__init__(self)
self.port = _iocp.CompletionPort()
