Gecko [ www.jobworksschool.com ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-06-04 06:40
_pydoctortemplates	[ DIR ]	drwxr-xr-x	2026-06-04 06:40
test	[ DIR ]	drwxr-xr-x	2026-06-04 06:40
__init__.py	598 B	-rw-r--r--	2026-05-22 14:58
_appdirs.py	828 B	-rw-r--r--	2026-05-22 14:58
_inotify.py	3.42 KB	-rw-r--r--	2026-05-22 14:58
_release.py	8.57 KB	-rw-r--r--	2026-05-22 14:58
_shellcomp.py	24.68 KB	-rw-r--r--	2026-05-22 14:58
_textattributes.py	8.88 KB	-rw-r--r--	2026-05-22 14:58
_tzhelper.py	3.12 KB	-rw-r--r--	2026-05-22 14:58
_url.py	228 B	-rw-r--r--	2026-05-22 14:58
compat.py	16.42 KB	-rw-r--r--	2026-05-22 14:58
components.py	13.87 KB	-rw-r--r--	2026-05-22 14:58
constants.py	460 B	-rw-r--r--	2026-05-22 14:58
context.py	3.96 KB	-rw-r--r--	2026-05-22 14:58
deprecate.py	27.49 KB	-rw-r--r--	2026-05-22 14:58
failure.py	27.43 KB	-rw-r--r--	2026-05-22 14:58
fakepwd.py	6.88 KB	-rw-r--r--	2026-05-22 14:58
filepath.py	58.92 KB	-rw-r--r--	2026-05-22 14:58
formmethod.py	11.82 KB	-rw-r--r--	2026-05-22 14:58
htmlizer.py	3.54 KB	-rw-r--r--	2026-05-22 14:58
lockfile.py	7.79 KB	-rw-r--r--	2026-05-22 14:58
log.py	21.89 KB	-rw-r--r--	2026-05-22 14:58
logfile.py	9.88 KB	-rw-r--r--	2026-05-22 14:58
modules.py	26.21 KB	-rw-r--r--	2026-05-22 14:58
monkey.py	2.23 KB	-rw-r--r--	2026-05-22 14:58
procutils.py	1.34 KB	-rw-r--r--	2026-05-22 14:58
randbytes.py	3.43 KB	-rw-r--r--	2026-05-22 14:58
rebuild.py	6.96 KB	-rw-r--r--	2026-05-22 14:58
reflect.py	20.02 KB	-rw-r--r--	2026-05-22 14:58
release.py	1.08 KB	-rw-r--r--	2026-05-22 14:58
roots.py	7.01 KB	-rw-r--r--	2026-05-22 14:58
runtime.py	5.79 KB	-rw-r--r--	2026-05-22 14:58
sendmsg.py	2.62 KB	-rw-r--r--	2026-05-22 14:58
shortcut.py	2.23 KB	-rw-r--r--	2026-05-22 14:58
syslog.py	3.57 KB	-rw-r--r--	2026-05-22 14:58
systemd.py	5.45 KB	-rw-r--r--	2026-05-22 14:58
text.py	5.28 KB	-rw-r--r--	2026-05-22 14:58
threadable.py	3.25 KB	-rw-r--r--	2026-05-22 14:58
threadpool.py	10.65 KB	-rw-r--r--	2026-05-22 14:58
twisted-completion.zsh	1.34 KB	-rw-r--r--	2026-05-22 14:58
url.py	244 B	-rw-r--r--	2026-05-22 14:58
urlpath.py	8.25 KB	-rw-r--r--	2026-05-22 14:58
usage.py	33.79 KB	-rw-r--r--	2026-05-22 14:58
util.py	26.86 KB	-rw-r--r--	2026-05-22 14:58
versions.py	273 B	-rw-r--r--	2026-05-22 14:58
win32.py	4.66 KB	-rw-r--r--	2026-05-22 14:58
zippath.py	11.99 KB	-rw-r--r--	2026-05-22 14:58
zipstream.py	9.45 KB	-rw-r--r--	2026-05-22 14:58

Rename

# -*- 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