/usr/lib/python2.7/dist-packages/twext/internet/socketfile.py is in python-twext 0.1.b2.dev15059-1.
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# Copyright (c) 2015 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
"""
Socket file implementation for MaxAccept
"""
__all__ = [
"MaxAcceptSocketFileServer",
]
from twisted.application import service
from twisted.internet import endpoints
from twisted.internet.defer import inlineCallbacks
from twext.python.log import Logger
log = Logger()
def maxAcceptDoRead(self):
self.numberAccepts = min(
self.factory.maxRequests - self.factory.outstandingRequests,
self.factory.maxAccepts
)
self.realDoRead()
class MaxAcceptSocketFileServer(service.Service):
"""
Socket File server
@ivar myPort: When running, this is set to the L{IListeningPort} being
managed by this service.
"""
def __init__(self, protocolFactory, address, backlog=None):
self.protocolFactory = protocolFactory
self.protocolFactory.myServer = self
self.address = address
self.backlog = backlog
self.myPort = None
@inlineCallbacks
def startService(self):
from twisted.internet import reactor
endpoint = endpoints.UNIXServerEndpoint(
reactor, self.address, backlog=self.backlog, wantPID=1
)
self.myPort = yield endpoint.listen(self.protocolFactory)
# intercept doRead() to set numberAccepts
self.myPort.realDoRead = self.myPort.doRead
self.myPort.doRead = maxAcceptDoRead.__get__(
self.myPort, self.myPort.__class__
)
@inlineCallbacks
def stopService(self):
"""
Wait for outstanding requests to finish
@return: a Deferred which fires when all outstanding requests are
complete
"""
if self.myPort is not None:
yield self.myPort.stopListening()
if hasattr(self.protocolFactory, "allConnectionsClosed"):
yield self.protocolFactory.allConnectionsClosed()
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