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# -*- test-case-name: twisted.python.test.test_sendmsg -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

import sys
import os
import socket
from struct import unpack

from twisted.python.sendmsg import recvmsg


def recvfd(socketfd):
    """
    Receive a file descriptor from a L{sendmsg} message on the given C{AF_UNIX}
    socket.

    @param socketfd: An C{AF_UNIX} socket, attached to another process waiting
        to send sockets via the ancillary data mechanism in L{send1msg}.

    @param fd: C{int}

    @return: a 2-tuple of (new file descriptor, description).
    @rtype: 2-tuple of (C{int}, C{bytes})
    """
    ourSocket = socket.fromfd(socketfd, socket.AF_UNIX, socket.SOCK_STREAM)
    data, ancillary, flags = recvmsg(ourSocket)
    [(cmsgLevel, cmsgType, packedFD)] = ancillary
    # cmsgLevel and cmsgType really need to be SOL_SOCKET / SCM_RIGHTS, but
    # since those are the *only* standard values, there's not much point in
    # checking.
    [unpackedFD] = unpack("i", packedFD)
    return (unpackedFD, data)


if __name__ == '__main__':
    fd, description = recvfd(int(sys.argv[1]))
    os.write(fd, b"Test fixture data: " + description + b".\n")
    os.close(fd)

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
__init__.py File 42 B 0644
_deprecatetests.py.3only File 1.77 KB 0644
deprecatedattributes.py File 571 B 0644
modules_helpers.py File 1.57 KB 0644
pullpipe.py File 1.19 KB 0644
test_appdirs.py File 1.06 KB 0644
test_components.py File 25.37 KB 0644
test_constants.py File 37.22 KB 0644
test_deprecate.py File 38.02 KB 0644
test_dist3.py File 1.81 KB 0644
test_fakepwd.py File 13.78 KB 0644
test_htmlizer.py File 1.24 KB 0644
test_inotify.py File 3.55 KB 0644
test_release.py File 40.08 KB 0644
test_runtime.py File 7.74 KB 0644
test_sendmsg.py File 25.25 KB 0644
test_setup.py File 11.78 KB 0644
test_shellcomp.py File 21.32 KB 0644
test_syslog.py File 4.83 KB 0644
test_systemd.py File 6.25 KB 0644
test_textattributes.py File 712 B 0644
test_tzhelper.py File 3.89 KB 0644
test_url.py File 29.23 KB 0644
test_urlpath.py File 10.09 KB 0644
test_util.py File 35.55 KB 0644
test_versions.py File 5.27 KB 0644
test_zippath.py File 3.39 KB 0644
test_zipstream.py File 11.88 KB 0644