[Help-gnutls] Asynchronous application and not enough buffer ready

Nikos Mavrogiannopoulos nmav at gnutls.org
Wed Jun 8 20:33:03 CEST 2005

On Wednesday 08 June 2005 17:16, cascardo at minaslivre.org wrote:
> Hello,

I'm not really sure I've understood the situation, but anyway my comments
are below.

> When the record size is greater than what the application has already
> put in the buffer, gnutls asks for bytes to the pull function which
> have not yet been read from the socket. To read these bytes, the main
> loop must run again. 
Then the pull function should return -1 and set errno to EAGAIN.

> The pull function returns 0 bytes read twice 
> after pulling the bytes already read and record_recv returns with an
> error indicating that a TLS packet of unexpected size has been
> received.
This is correct. gnutls cannot decrypt until a full packet has been received.

Nikos Mavrogiannopoulos

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