/// <summary>
/// SOCKETFUNCTION implementation.
/// </summary>
/// <param name="easy"></param>
/// <param name="sockfd"></param>
/// <param name="what"></param>
/// <param name="userp"></param>
/// <param name="socketp"></param>
/// <returns></returns>
private int HandleSocket(IntPtr easy, IntPtr sockfd, CURLpoll what, IntPtr userp, IntPtr socketp)
{
Logger.LogTrace(
$"Called {nameof(CURLMoption.SOCKETFUNCTION)}. We need to poll for {what} on socket {sockfd}.");
switch (what)
{
case CURLpoll.IN:
case CURLpoll.OUT:
case CURLpoll.INOUT:
//#if !UNITY
PollMask events = 0;
if (what != CURLpoll.IN)
{
events |= PollMask.Writable;
}
if (what != CURLpoll.OUT)
{
events |= PollMask.Readable;
}
Logger.LogTrace($"Polling socket {sockfd} using libuv with mask {events}.");
_socketMap.GetOrCreatePoll(sockfd, _loop).Start(events, (poll, status) =>
{
CURLcselect flags = 0;
if (status.Mask.HasFlag(PollMask.Readable))
{
flags |= CURLcselect.IN;
}
if (status.Mask.HasFlag(PollMask.Writable))
{
flags |= CURLcselect.OUT;
}
Logger.LogTrace($"Finished polling socket {sockfd}.");
CurlNative.Multi.SocketAction(_multiHandle, sockfd, flags, out int _);
CheckMultiInfo();
});
break;
case CURLpoll.REMOVE:
Logger.LogTrace($"Removing poll of socket {sockfd}.");
_socketMap.RemovePoll(sockfd);
break;
//#else
// break;
//#endif
default:
throw new ArgumentOutOfRangeException(nameof(what));
}
return(0);
}
public static extern CURLMcode SocketAction(SafeMultiHandle multiHandle, SafeSocketHandle sockfd,
CURLcselect evBitmask,
out int runningHandles);