openSocketAfd

fn openSocketAfd(family: ws2_32.ADDRESS_FAMILY, options: IpAddress.BindOptions) !net.Socket.Handle {
    const mode, const protocol = try posixSocketModeProtocol(family, options.mode, options.protocol);
    var handle: windows.HANDLE = undefined;
    var iosb: windows.IO_STATUS_BLOCK = undefined;
    var syscall: Syscall = try .start();
    while (true) switch (windows.ntdll.NtCreateFile(
        &handle,
        .{
            .STANDARD = .{ .RIGHTS = .{ .WRITE_DAC = true }, .SYNCHRONIZE = true },
            .GENERIC = .{ .WRITE = true, .READ = true },
        },
        &.{
            .ObjectName = @constCast(&windows.UNICODE_STRING.init(
                windows.AFD.DEVICE_NAME ++ .{ '\\', 'E', 'n', 'd', 'p', 'o', 'i', 'n', 't' },
            )),
        },
        &iosb,
        null,
        .{},
        .{ .READ = true, .WRITE = true },
        .OPEN_IF,
        .{ .IO = .ASYNCHRONOUS },
        &windows.AFD.OPEN_PACKET.FULL_EA_INFORMATION{ .Value = .{
            .EndpointType = .{
                .CONNECTIONLESS = switch (options.mode) {
                    .stream, .seqpacket, .rdm => false,
                    .dgram, .raw => true,
                },
                .MESSAGEMODE = options.mode != .stream,
                .RAW = options.mode == .raw,
            },
            .GroupID = 0,
            .AddressFamily = family,
            .SocketType = @bitCast(mode),
            .Protocol = @bitCast(protocol),
            .TransportDeviceNameLength = 0,
            .TransportDeviceName = undefined,
        } },
        @sizeOf(windows.AFD.OPEN_PACKET.FULL_EA_INFORMATION),
    )) {
        .SUCCESS => {
            syscall.finish();
            return handle;
        },
        .CANCELLED => {
            try syscall.checkCancel();
            continue;
        },
        .PROTOCOL_NOT_SUPPORTED => return syscall.fail(error.AddressFamilyUnsupported),
        .NO_SUCH_FILE => return syscall.fail(error.ProtocolUnsupportedByAddressFamily),
        else => |status| return syscall.unexpectedNtstatus(status),
    };
}