package poll

import "syscall"

// WSAIoctl wraps the WSAIoctl network call.
func (fd *FD) WSAIoctl(iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *syscall.Overlapped, completionRoutine uintptr) error {
	if err := fd.incref(); err != nil {
		return err
	}
	defer fd.decref()
	return syscall.WSAIoctl(fd.Sysfd, iocc, inbuf, cbif, outbuf, cbob, cbbr, overlapped, completionRoutine)

		Time:     tcpKeepAliveIdle,
		Interval: tcpKeepAliveInterval,
	}
	ret := uint32(0)
	size := uint32(unsafe.Sizeof(ka))
	err := fd.pfd.WSAIoctl(syscall.SIO_KEEPALIVE_VALS, (*byte)(unsafe.Pointer(&ka)), size, nil, 0, &ret, nil, 0)
	runtime.KeepAlive(fd)
	return os.NewSyscallError("wsaioctl", err)

	}
	defer syscall.CloseHandle(ov.HEvent)

	if err = fd.WSAIoctl(
		SIO_TCP_INFO,
		(*byte)(unsafe.Pointer(&inbuf)),
		uint32(unsafe.Sizeof(inbuf)),
		(*byte)(unsafe.Pointer(&outbuf)),
		uint32(unsafe.Sizeof(outbuf)),
		&cbbr,
		&ov,
		0,
	); err != nil && !errors.Is(err, syscall.ERROR_IO_PENDING) {
		t.Fatalf("could not perform the WSAIoctl: %v", err)
	}

			params.MaxSynRetransmissions = windows.TCP_INITIAL_RTO_NO_SYN_RETRANSMISSIONS
		}
		var out uint32
		// Don't abort the connection if WSAIoctl fails, as it is only an optimization.
		// If it fails reliably, we expect TestDialClosedPortFailFast to detect it.
		_ = fd.pfd.WSAIoctl(windows.SIO_TCP_INITIAL_RTO, (*byte)(unsafe.Pointer(&params)), uint32(unsafe.Sizeof(params)), nil, 0, &out, nil, 0)
	}

	// Call ConnectEx API.

		if sendRecvMsgFunc.err != nil {
			return
		}
		defer syscall.CloseHandle(s)
		var n uint32
		sendRecvMsgFunc.err = syscall.WSAIoctl(s,
			syscall.SIO_GET_EXTENSION_FUNCTION_POINTER,
			(*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
			uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
			(*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),

//sys	WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
//sys	WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl

//sys	WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
//sys	WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl
//sys	socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket

	switch net {
	case "udp", "udp4", "udp6":
		ret := uint32(0)
		flag := uint32(0)
		size := uint32(unsafe.Sizeof(flag))
		err := syscall.WSAIoctl(fd.Sysfd, syscall.SIO_UDP_CONNRESET, (*byte)(unsafe.Pointer(&flag)), size, nil, 0, &ret, nil, 0)
		if err != nil {
			return "wsaioctl", err
		}
	}
	fd.rop.mode = 'r'
	fd.wop.mode = 'w'
	fd.rop.fd = fd
	fd.wop.fd = fd
	fd.rop.runtimeCtx = fd.pd.runtimeCtx

	procWSACleanup                         = modws2_32.NewProc("WSACleanup")
	procWSAEnumProtocolsW                  = modws2_32.NewProc("WSAEnumProtocolsW")
	procWSAIoctl                           = modws2_32.NewProc("WSAIoctl")
	procWSARecv                            = modws2_32.NewProc("WSARecv")
	procWSARecvFrom                        = modws2_32.NewProc("WSARecvFrom")
	procWSASend                            = modws2_32.NewProc("WSASend")

	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
	procWSAIoctl                                             = modws2_32.NewProc("WSAIoctl")
	procWSALookupServiceBeginW                               = modws2_32.NewProc("WSALookupServiceBeginW")
	procWSALookupServiceEnd                                  = modws2_32.NewProc("WSALookupServiceEnd")