def perform_sendall(act, overlapped):
wsabuf = WSABUF()
wsabuf.buf = c_char_p(act.buff[act.sent:])
wsabuf.len = len(act.buff)-act.sent
nbytes = c_ulong()
act.flags = wsabuf, nbytes
return WSASend(
act.sock._fd.fileno(), # SOCKET s
byref(wsabuf), # LPWSABUF lpBuffers
1, # DWORD dwBufferCount
byref(nbytes), # LPDWORD lpNumberOfBytesSent
0, # DWORD dwFlags
overlapped, # LPWSAOVERLAPPED lpOverlapped
None # LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine
), nbytes
def perform_recv(act, overlapped):
wsabuf = WSABUF()
buf = create_string_buffer(act.len)
wsabuf.buf = cast(buf, c_char_p)
wsabuf.len = act.len
nbytes = c_ulong(0)
flags = c_ulong(0)
act.flags = buf
rc = WSARecv(
act.sock._fd.fileno(), # SOCKET s
byref(wsabuf), # LPWSABUF lpBuffers
1, # DWORD dwBufferCount
byref(nbytes), # LPDWORD lpNumberOfBytesRecvd
byref(flags), # LPDWORD lpFlags
overlapped, # LPWSAOVERLAPPED lpOverlapped
None # LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine
)
return rc, nbytes.value
