Is it possible to configure OpenSSL to allow the use of a non-blocking socket ? I red things about BIO* object but I am not sure if it's the good way to do it. Thanks.
Normand David Schwartz wrote: > > >> SSL_accept always returns < 0 error. With SSL_get_error I found that the >> error is SSL_ERROR_WANT_READ. >> During debugging and troubleshooting, I realised that when I use "normal" >> blocking windows socket, SSL_accept works fine. >> >> Why using non-blocking windows socket caused that error ? > > This is expected behavior. Because the socket is non-blocking, it returns > an > error rather than blocking. If you would rather it block than return an > error, use blocking sockets. > > The SSL_accept cannot complete immediately because data from the other > side > cannot be read at this moment (since the other side has not sent it yet or > it hasn't gotten here yet). Since the socket is non-blocking, it cannot > wait > for the data to arrive. So it returns an error, and the error > (SSL_ERROR_WANT_READ) explains that it wants to read from the socket, but > cannot do so because the socket is non-blocking. > > DS > > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager [EMAIL PROTECTED] > > -- View this message in context: http://www.nabble.com/Non-blocking-windows-socket-cause-SSL_accept-error-%28SSL_ERROR_WANT_READ%29-tp20663587p20666975.html Sent from the OpenSSL - User mailing list archive at Nabble.com. ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
