| Index: third_party/twisted_8_1/twisted/internet/kqreactor.py
|
| diff --git a/third_party/twisted_8_1/twisted/internet/kqreactor.py b/third_party/twisted_8_1/twisted/internet/kqreactor.py
|
| deleted file mode 100644
|
| index 8de615c6ebffd62992c73a555310fce618ffcfc1..0000000000000000000000000000000000000000
|
| --- a/third_party/twisted_8_1/twisted/internet/kqreactor.py
|
| +++ /dev/null
|
| @@ -1,232 +0,0 @@
|
| -# Copyright (c) 2001-2007 Twisted Matrix Laboratories.
|
| -# See LICENSE for details.
|
| -
|
| -
|
| -"""
|
| -A kqueue()/kevent() based implementation of the Twisted main loop.
|
| -
|
| -To install the event loop (and you should do this before any connections,
|
| -listeners or connectors are added)::
|
| -
|
| - | from twisted.internet import kqreactor
|
| - | kqreactor.install()
|
| -
|
| -This reactor only works on FreeBSD and requires PyKQueue 1.3, which is
|
| -available at: U{http://people.freebsd.org/~dwhite/PyKQueue/}
|
| -
|
| -Maintainer: U{Itamar Shtull-Trauring<mailto:twisted@itamarst.org>}
|
| -
|
| -
|
| -
|
| -You're going to need to patch PyKqueue::
|
| -
|
| - =====================================================
|
| - --- PyKQueue-1.3/kqsyscallmodule.c Sun Jan 28 21:59:50 2001
|
| - +++ PyKQueue-1.3/kqsyscallmodule.c.new Tue Jul 30 18:06:08 2002
|
| - @@ -137,7 +137,7 @@
|
| - }
|
| -
|
| - statichere PyTypeObject KQEvent_Type = {
|
| - - PyObject_HEAD_INIT(NULL)
|
| - + PyObject_HEAD_INIT(&PyType_Type)
|
| - 0, // ob_size
|
| - "KQEvent", // tp_name
|
| - sizeof(KQEventObject), // tp_basicsize
|
| - @@ -291,13 +291,14 @@
|
| -
|
| - /* Build timespec for timeout */
|
| - totimespec.tv_sec = timeout / 1000;
|
| - - totimespec.tv_nsec = (timeout % 1000) * 100000;
|
| - + totimespec.tv_nsec = (timeout % 1000) * 1000000;
|
| -
|
| - // printf("timespec: sec=%d nsec=%d\\n", totimespec.tv_sec, totimespec.tv_nsec);
|
| -
|
| - /* Make the call */
|
| - -
|
| - + Py_BEGIN_ALLOW_THREADS
|
| - gotNumEvents = kevent (self->fd, changelist, haveNumEvents, triggered, wantNumEvents, &totimespec);
|
| - + Py_END_ALLOW_THREADS
|
| -
|
| - /* Don't need the input event list anymore, so get rid of it */
|
| - free (changelist);
|
| - @@ -361,7 +362,7 @@
|
| - statichere PyTypeObject KQueue_Type = {
|
| - /* The ob_type field must be initialized in the module init function
|
| - * to be portable to Windows without using C++. */
|
| - - PyObject_HEAD_INIT(NULL)
|
| - + PyObject_HEAD_INIT(&PyType_Type)
|
| - 0, /*ob_size*/
|
| - "KQueue", /*tp_name*/
|
| - sizeof(KQueueObject), /*tp_basicsize*/
|
| -
|
| -"""
|
| -
|
| -import errno, sys
|
| -
|
| -from zope.interface import implements
|
| -
|
| -from kqsyscall import EVFILT_READ, EVFILT_WRITE, EV_DELETE, EV_ADD
|
| -from kqsyscall import kqueue, kevent
|
| -
|
| -from twisted.internet.interfaces import IReactorFDSet
|
| -
|
| -from twisted.python import log, failure
|
| -from twisted.internet import main, posixbase
|
| -
|
| -
|
| -class KQueueReactor(posixbase.PosixReactorBase):
|
| - """
|
| - A reactor that uses kqueue(2)/kevent(2).
|
| -
|
| - @ivar _kq: A L{kqueue} which will be used to check for I/O readiness.
|
| -
|
| - @ivar _selectables: A dictionary mapping integer file descriptors to
|
| - instances of L{FileDescriptor} which have been registered with the
|
| - reactor. All L{FileDescriptors} which are currently receiving read or
|
| - write readiness notifications will be present as values in this
|
| - dictionary.
|
| -
|
| - @ivar _reads: A dictionary mapping integer file descriptors to arbitrary
|
| - values (this is essentially a set). Keys in this dictionary will be
|
| - registered with C{_kq} for read readiness notifications which will be
|
| - dispatched to the corresponding L{FileDescriptor} instances in
|
| - C{_selectables}.
|
| -
|
| - @ivar _writes: A dictionary mapping integer file descriptors to arbitrary
|
| - values (this is essentially a set). Keys in this dictionary will be
|
| - registered with C{_kq} for write readiness notifications which will be
|
| - dispatched to the corresponding L{FileDescriptor} instances in
|
| - C{_selectables}.
|
| - """
|
| - implements(IReactorFDSet)
|
| -
|
| - def __init__(self):
|
| - """
|
| - Initialize kqueue object, file descriptor tracking dictionaries, and the
|
| - base class.
|
| - """
|
| - self._kq = kqueue()
|
| - self._reads = {}
|
| - self._writes = {}
|
| - self._selectables = {}
|
| - posixbase.PosixReactorBase.__init__(self)
|
| -
|
| -
|
| - def _updateRegistration(self, *args):
|
| - self._kq.kevent([kevent(*args)], 0, 0)
|
| -
|
| - def addReader(self, reader):
|
| - """Add a FileDescriptor for notification of data available to read.
|
| - """
|
| - fd = reader.fileno()
|
| - if fd not in self._reads:
|
| - self._selectables[fd] = reader
|
| - self._reads[fd] = 1
|
| - self._updateRegistration(fd, EVFILT_READ, EV_ADD)
|
| -
|
| - def addWriter(self, writer):
|
| - """Add a FileDescriptor for notification of data available to write.
|
| - """
|
| - fd = writer.fileno()
|
| - if fd not in self._writes:
|
| - self._selectables[fd] = writer
|
| - self._writes[fd] = 1
|
| - self._updateRegistration(fd, EVFILT_WRITE, EV_ADD)
|
| -
|
| - def removeReader(self, reader):
|
| - """Remove a Selectable for notification of data available to read.
|
| - """
|
| - fd = reader.fileno()
|
| - if fd in self._reads:
|
| - del self._reads[fd]
|
| - if fd not in self._writes:
|
| - del self._selectables[fd]
|
| - self._updateRegistration(fd, EVFILT_READ, EV_DELETE)
|
| -
|
| - def removeWriter(self, writer):
|
| - """Remove a Selectable for notification of data available to write.
|
| - """
|
| - fd = writer.fileno()
|
| - if fd in self._writes:
|
| - del self._writes[fd]
|
| - if fd not in self._reads:
|
| - del self._selectables[fd]
|
| - self._updateRegistration(fd, EVFILT_WRITE, EV_DELETE)
|
| -
|
| - def removeAll(self):
|
| - """Remove all selectables, and return a list of them."""
|
| - if self.waker is not None:
|
| - self.removeReader(self.waker)
|
| - result = self._selectables.values()
|
| - for fd in self._reads.keys():
|
| - self._updateRegistration(fd, EVFILT_READ, EV_DELETE)
|
| - for fd in self._writes.keys():
|
| - self._updateRegistration(fd, EVFILT_WRITE, EV_DELETE)
|
| - self._reads.clear()
|
| - self._writes.clear()
|
| - self._selectables.clear()
|
| - if self.waker is not None:
|
| - self.addReader(self.waker)
|
| - return result
|
| -
|
| -
|
| - def getReaders(self):
|
| - return [self._selectables[fd] for fd in self._reads]
|
| -
|
| -
|
| - def getWriters(self):
|
| - return [self._selectables[fd] for fd in self._writes]
|
| -
|
| -
|
| - def doKEvent(self, timeout):
|
| - """Poll the kqueue for new events."""
|
| - if timeout is None:
|
| - timeout = 1000
|
| - else:
|
| - timeout = int(timeout * 1000) # convert seconds to milliseconds
|
| -
|
| - try:
|
| - l = self._kq.kevent([], len(self._selectables), timeout)
|
| - except OSError, e:
|
| - if e[0] == errno.EINTR:
|
| - return
|
| - else:
|
| - raise
|
| - _drdw = self._doWriteOrRead
|
| - for event in l:
|
| - why = None
|
| - fd, filter = event.ident, event.filter
|
| - try:
|
| - selectable = self._selectables[fd]
|
| - except KeyError:
|
| - # Handles the infrequent case where one selectable's
|
| - # handler disconnects another.
|
| - continue
|
| - log.callWithLogger(selectable, _drdw, selectable, fd, filter)
|
| -
|
| - def _doWriteOrRead(self, selectable, fd, filter):
|
| - try:
|
| - if filter == EVFILT_READ:
|
| - why = selectable.doRead()
|
| - if filter == EVFILT_WRITE:
|
| - why = selectable.doWrite()
|
| - if not selectable.fileno() == fd:
|
| - why = main.CONNECTION_LOST
|
| - except:
|
| - why = sys.exc_info()[1]
|
| - log.deferr()
|
| -
|
| - if why:
|
| - self.removeReader(selectable)
|
| - self.removeWriter(selectable)
|
| - selectable.connectionLost(failure.Failure(why))
|
| -
|
| - doIteration = doKEvent
|
| -
|
| -
|
| -def install():
|
| - k = KQueueReactor()
|
| - main.installReactor(k)
|
| -
|
| -
|
| -__all__ = ["KQueueReactor", "install"]
|
|
|