FM / python

/usr/lib/python3/dist-packages/twisted/python/

/usr/lib/python3/dist-packages/twisted/python

Name	Size	Mode	Actions
test/	-	0755	rm
_pydoctortemplates/	-	0755	rm
__pycache__/	-	0755	rm
compat.py	16931	0644	edit dl rm
components.py	14199	0644	edit dl rm
constants.py	513	0644	edit dl rm
context.py	4054	0644	edit dl rm
deprecate.py	27668	0644	edit dl rm
failure.py	27007	0644	edit dl rm
fakepwd.py	6732	0644	edit dl rm
filepath.py	54023	0644	edit dl rm
formmethod.py	12107	0644	edit dl rm
htmlizer.py	3626	0644	edit dl rm
lockfile.py	8026	0644	edit dl rm
log.py	22302	0644	edit dl rm
logfile.py	10119	0644	edit dl rm
modules.py	26715	0644	edit dl rm
monkey.py	2164	0644	edit dl rm
procutils.py	1371	0644	edit dl rm
randbytes.py	3459	0644	edit dl rm
rebuild.py	7122	0644	edit dl rm
reflect.py	20480	0644	edit dl rm
release.py	1104	0644	edit dl rm
roots.py	7178	0644	edit dl rm
runtime.py	5924	0644	edit dl rm
sendmsg.py	2682	0644	edit dl rm
shortcut.py	2302	0644	edit dl rm
syslog.py	3652	0644	edit dl rm
systemd.py	2987	0644	edit dl rm
text.py	5417	0644	edit dl rm
threadable.py	3327	0644	edit dl rm
threadpool.py	10203	0644	edit dl rm
twisted-completion.zsh	1371	0644	edit dl rm
url.py	244	0644	edit dl rm
urlpath.py	8447	0644	edit dl rm
usage.py	34577	0644	edit dl rm
util.py	27432	0644	edit dl rm
versions.py	273	0644	edit dl rm
win32.py	4794	0644	edit dl rm
zippath.py	9028	0644	edit dl rm
zipstream.py	9680	0644	edit dl rm
_appdirs.py	820	0644	edit dl rm
_inotify.py	3496	0644	edit dl rm
_pydoctor.py	6735	0644	edit dl rm
_release.py	18879	0644	edit dl rm
_shellcomp.py	25279	0644	edit dl rm
_textattributes.py	9097	0644	edit dl rm
_tzhelper.py	3128	0644	edit dl rm
_url.py	228	0644	edit dl rm
__init__.py	598	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/twisted/python/sendmsg.py (2682B)

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

"""
sendmsg(2) and recvmsg(2) support for Python.
"""

from collections import namedtuple
from socket import CMSG_SPACE, SCM_RIGHTS, socket as Socket
from typing import List, Tuple

__all__ = ["sendmsg", "recvmsg", "getSocketFamily", "SCM_RIGHTS"]

ReceivedMessage = namedtuple("ReceivedMessage", ["data", "ancillary", "flags"])

def sendmsg(
    socket: Socket,
    data: bytes,
    ancillary: List[Tuple[int, int, bytes]] = [],
    flags: int = 0,
) -> int:
    """
    Send a message on a socket.

@param socket: The socket to send the message on.
    @param data: Bytes to write to the socket.
    @param ancillary: Extra data to send over the socket outside of the normal
        datagram or stream mechanism.  By default no ancillary data is sent.
    @param flags: Flags to affect how the message is sent.  See the C{MSG_}
        constants in the sendmsg(2) manual page.  By default no flags are set.

@return: The return value of the underlying syscall, if it succeeds.
    """
    return socket.sendmsg([data], ancillary, flags)

def recvmsg(
    socket: Socket, maxSize: int = 8192, cmsgSize: int = 4096, flags: int = 0
) -> ReceivedMessage:
    """
    Receive a message on a socket.

@param socket: The socket to receive the message on.
    @param maxSize: The maximum number of bytes to receive from the socket using
        the datagram or stream mechanism. The default maximum is 8192.
    @param cmsgSize: The maximum number of bytes to receive from the socket
        outside of the normal datagram or stream mechanism. The default maximum
        is 4096.
    @param flags: Flags to affect how the message is sent.  See the C{MSG_}
        constants in the sendmsg(2) manual page. By default no flags are set.

@return: A named 3-tuple of the bytes received using the datagram/stream
        mechanism, a L{list} of L{tuple}s giving ancillary received data, and
        flags as an L{int} describing the data received.
    """
    # In Twisted's _sendmsg.c, the csmg_space was defined as:
    #     int cmsg_size = 4096;
    #     cmsg_space = CMSG_SPACE(cmsg_size);
    # Since the default in Python 3's socket is 0, we need to define our
    # own default of 4096. -hawkie
    data, ancillary, flags = socket.recvmsg(maxSize, CMSG_SPACE(cmsgSize), flags)[0:3]

return ReceivedMessage(data=data, ancillary=ancillary, flags=flags)

def getSocketFamily(socket: Socket) -> int:
    """
    Return the family of the given socket.

@param socket: The socket to get the family of.
    """
    return socket.family

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