On 06 May 2011, at 9:23 PM, derleader mail wrote:
Can you show us the source code. Paste it into pastebin.org.
We do non blocking SSL by accepting the socket in the normal way
(using accept, not SSL_accept), and then wrapping the socket in a BIO
like this:
BIO *sbio = BIO_new_socket(c->socket, BIO_NOCLOSE);
SSL *ssl = SSL_new(ctx);
SSL_set_bio(ssl, sbio, sbio);
SSL_set_connect_state(ssl);
We then put the socket in the event loop, and on read and write events
we called SSL_read and SSL_write as appropriate. The first time we
call SSL_read, the proper handshake is completed.
One thing that you need to support for non blocking SSL to work
properly is to take account the fact that during SSL_write, SSL may
want to read from the socket, and during SSL_read, SSL may want to
write. We keep track of whether a "ready to read" event should call
SSL_read or SSL_write as appropriate, reacting to the
SSL_ERROR_WANT_READ and SSL_ERROR_WANT_WRITE result codes.
Regards,
Graham
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