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authorshmel1k <shmel1k@ydb.tech>2023-11-26 18:16:14 +0300
committershmel1k <shmel1k@ydb.tech>2023-11-26 18:43:30 +0300
commitb8cf9e88f4c5c64d9406af533d8948deb050d695 (patch)
tree218eb61fb3c3b96ec08b4d8cdfef383104a87d63 /contrib/python/Twisted/py2/twisted/runner/inetd.py
parent523f645a83a0ec97a0332dbc3863bb354c92a328 (diff)
downloadydb-b8cf9e88f4c5c64d9406af533d8948deb050d695.tar.gz
add kikimr_configure
Diffstat (limited to 'contrib/python/Twisted/py2/twisted/runner/inetd.py')
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1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/python/Twisted/py2/twisted/runner/inetd.py b/contrib/python/Twisted/py2/twisted/runner/inetd.py
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+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+#
+
+"""
+Twisted inetd.
+
+Maintainer: Andrew Bennetts
+
+Future Plans: Bugfixes. Specifically for UDP and Sun-RPC, which don't work
+correctly yet.
+"""
+
+import os
+
+from twisted.internet import process, reactor, fdesc
+from twisted.internet.protocol import Protocol, ServerFactory
+from twisted.protocols import wire
+
+# A dict of known 'internal' services (i.e. those that don't involve spawning
+# another process.
+internalProtocols = {
+ 'echo': wire.Echo,
+ 'chargen': wire.Chargen,
+ 'discard': wire.Discard,
+ 'daytime': wire.Daytime,
+ 'time': wire.Time,
+}
+
+
+class InetdProtocol(Protocol):
+ """Forks a child process on connectionMade, passing the socket as fd 0."""
+ def connectionMade(self):
+ sockFD = self.transport.fileno()
+ childFDs = {0: sockFD, 1: sockFD}
+ if self.factory.stderrFile:
+ childFDs[2] = self.factory.stderrFile.fileno()
+
+ # processes run by inetd expect blocking sockets
+ # FIXME: maybe this should be done in process.py? are other uses of
+ # Process possibly affected by this?
+ fdesc.setBlocking(sockFD)
+ if 2 in childFDs:
+ fdesc.setBlocking(childFDs[2])
+
+ service = self.factory.service
+ uid = service.user
+ gid = service.group
+
+ # don't tell Process to change our UID/GID if it's what we
+ # already are
+ if uid == os.getuid():
+ uid = None
+ if gid == os.getgid():
+ gid = None
+
+ process.Process(None, service.program, service.programArgs, os.environ,
+ None, None, uid, gid, childFDs)
+
+ reactor.removeReader(self.transport)
+ reactor.removeWriter(self.transport)
+
+
+class InetdFactory(ServerFactory):
+ protocol = InetdProtocol
+ stderrFile = None
+
+ def __init__(self, service):
+ self.service = service