/usr/share/pyshared/ZEO/zrpc/server.py is in python-zodb 1:3.9.7-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
import asyncore
import socket
import types
from ZEO.zrpc.connection import Connection
from ZEO.zrpc.log import log
import ZEO.zrpc.log
import logging
# Export the main asyncore loop
loop = asyncore.loop
class Dispatcher(asyncore.dispatcher):
"""A server that accepts incoming RPC connections"""
__super_init = asyncore.dispatcher.__init__
def __init__(self, addr, factory=Connection):
self.__super_init()
self.addr = addr
self.factory = factory
self._open_socket()
def _open_socket(self):
if type(self.addr) == types.TupleType:
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
else:
self.create_socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.set_reuse_addr()
log("listening on %s" % str(self.addr), logging.INFO)
self.bind(self.addr)
self.listen(5)
def writable(self):
return 0
def readable(self):
return 1
def handle_accept(self):
try:
sock, addr = self.accept()
except socket.error, msg:
log("accepted failed: %s" % msg)
return
# We could short-circuit the attempt below in some edge cases
# and avoid a log message by checking for addr being None.
# Unfortunately, our test for the code below,
# quick_close_doesnt_kill_server, causes addr to be None and
# we'd have to write a test for the non-None case, which is
# *even* harder to provoke. :/ So we'll leave things as they
# are for now.
# It might be better to check whether the socket has been
# closed, but I don't see a way to do that. :(
try:
c = self.factory(sock, addr)
except:
if sock.fileno() in asyncore.socket_map:
del asyncore.socket_map[sock.fileno()]
ZEO.zrpc.log.logger.exception("Error in handle_accept")
else:
log("connect from %s: %s" % (repr(addr), c))
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