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gh-123476: Add support for TCP_QUICKACK socket setting to Windows (#123478)

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Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Steve Dower <steve.dower@microsoft.com>
This commit is contained in:
nkinnan 2024-09-05 13:59:48 -07:00 • committed by GitHub
parent 6e43928831
commit b5aa271f86
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GPG key ID: B5690EEEBB952194
5 changed files with 59 additions and 5 deletions
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22
Modules/socketmodule.c
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@ -3166,6 +3166,17 @@ sock_setsockopt(PySocketSockObject *s, PyObject *args)
/* setsockopt(level, opt, flag) */
if (PyArg_ParseTuple(args, "iii:setsockopt",
&level, &optname, &flag)) {
#ifdef MS_WINDOWS
if (optname == SIO_TCP_SET_ACK_FREQUENCY) {
int dummy;
res = WSAIoctl(s->sock_fd, SIO_TCP_SET_ACK_FREQUENCY, &flag,
sizeof(flag), NULL, 0, &dummy, NULL, NULL);
if (res >= 0) {
s->quickack = flag;
}
goto done;
}
#endif
res = setsockopt(s->sock_fd, level, optname,
(char*)&flag, sizeof flag);
goto done;
@ -3251,6 +3262,11 @@ sock_getsockopt(PySocketSockObject *s, PyObject *args)
return s->errorhandler();
return PyLong_FromUnsignedLong(vflag);
}
#endif
#ifdef MS_WINDOWS
if (optname == SIO_TCP_SET_ACK_FREQUENCY) {
return PyLong_FromLong(s->quickack);
}
#endif
flagsize = sizeof flag;
res = getsockopt(s->sock_fd, level, optname,
@ -5316,6 +5332,9 @@ sock_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
((PySocketSockObject *)new)->sock_fd = INVALID_SOCKET;
((PySocketSockObject *)new)->sock_timeout = _PyTime_FromSeconds(-1);
((PySocketSockObject *)new)->errorhandler = &set_error;
#ifdef MS_WINDOWS
((PySocketSockObject *)new)->quickack = 0;
#endif
}
return new;
}
@ -8616,6 +8635,9 @@ socket_exec(PyObject *m)
#ifdef TCP_CONNECTION_INFO
ADD_INT_MACRO(m, TCP_CONNECTION_INFO);
#endif
#ifdef SIO_TCP_SET_ACK_FREQUENCY
#define TCP_QUICKACK SIO_TCP_SET_ACK_FREQUENCY
#endif
#ifdef TCP_QUICKACK
ADD_INT_MACRO(m, TCP_QUICKACK);
#endif