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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
def accept(long listening, long accepting, object buff, object obj):
"""
CAUTION: unlike system AcceptEx(), this function returns 0 on success
"""
cdef unsigned long bytes
cdef int rc
cdef Py_ssize_t size
cdef void *mem_buffer
cdef myOVERLAPPED *ov
PyObject_AsWriteBuffer(buff, &mem_buffer, &size)
ov = makeOV()
if obj is not None:
ov.obj = <PyObject *>obj
rc = lpAcceptEx(listening, accepting, mem_buffer, 0,
<DWORD>size / 2, <DWORD>size / 2,
&bytes, <OVERLAPPED *>ov)
if not rc:
rc = WSAGetLastError()
if rc != ERROR_IO_PENDING:
PyMem_Free(ov)
return rc
# operation is in progress
Py_XINCREF(obj)
return 0
def get_accept_addrs(long s, object buff):
cdef WSAPROTOCOL_INFO wsa_pi
cdef int locallen, remotelen
cdef Py_ssize_t size
cdef void *mem_buffer
cdef sockaddr *localaddr, *remoteaddr
PyObject_AsReadBuffer(buff, &mem_buffer, &size)
lpGetAcceptExSockaddrs(mem_buffer, 0, <DWORD>size / 2, <DWORD>size / 2,
&localaddr, &locallen, &remoteaddr, &remotelen)
return remoteaddr.sa_family, _makesockaddr(localaddr, locallen), _makesockaddr(remoteaddr, remotelen)
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