netListenIpWindows

fn netListenIpWindows(
    userdata: ?*anyopaque,
    address: *const IpAddress,
    options: IpAddress.ListenOptions,
) IpAddress.ListenError!net.Socket

File

Code

fn netListenIpWindows(
    userdata: ?*anyopaque,
    address: *const IpAddress,
    options: IpAddress.ListenOptions,
) IpAddress.ListenError!net.Socket {
    if (!have_networking) return error.NetworkDown;
    const t: *Threaded = @ptrCast(@alignCast(userdata));
    _ = t;
    const family = posixAddressFamily(address);
    const socket_handle = try openSocketAfd(family, .{ .mode = options.mode, .protocol = options.protocol });
    errdefer windows.CloseHandle(socket_handle);
    if (options.reuse_address) try setSocketOptionAfd(socket_handle, ws2_32.SOL.SOCKET, ws2_32.SO.REUSEADDR, true);
    const bound_address = try bindSocketIpAfd(socket_handle, address, .Passive);
    switch ((try deviceIoControl(&.{
        .file = .{ .handle = socket_handle, .flags = .{ .nonblocking = true } },
        .code = windows.IOCTL.AFD.START_LISTEN,
        .in = @ptrCast(&windows.AFD.LISTEN_INFO{
            .UseSAN = .FALSE,
            .MaximumConnectionQueue = options.kernel_backlog,
            .UseDelayedAcceptance = .FALSE,
        }),
    })).u.Status) {
        .SUCCESS => {},
        .CANCELLED => unreachable,
        .INSUFFICIENT_RESOURCES => return error.SystemResources,
        else => |status| return windows.unexpectedStatus(status),
    }
    return .{ .handle = socket_handle, .address = bound_address };
}