select + record_recv
mrsam at courier-mta.com
Sat Jul 10 22:53:18 CEST 2010
Nikos Mavrogiannopoulos writes:
> In the early versions of GnuTLS I implemented a hack in order to use
> select() to check whether there are data to read from the gnutls
> session. Is this feature actually used? If you want to check for data in
> a gnutls_session how do you do it?
I always thought that the correct logic is:
1) Non-blocking sockets are a must.
2) Check what gnutls_record_check_pending() tells you, first.
23 If there's nothing pending, poll() or select(), and if it indicates that
data is available, try gnutls_record_recv().
Now, if gnutls_record_recv() hands you back some data, you do have to
consume it. However, this logic seems to work reliably for me, in
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