Dr. Stephen Henson wrote:
On Tue, Sep 04, 2007, Jim Marshall wrote:
Jim Fox wrote:
Doesn't need a faq. The man page says the purpose of the
BIO_set_nbio_accept macro is to set blocking or non-blocking mode.
Seems like that's what it will do.
Jim
On Sep 3, 2007, at 11:31 AM, Jim Marshall wrote:
Jim Marshall wrote:
I'm looking at using non-blocking I/O in some places in my code, and
I have a question. The 'BIO_set_nbio_accept' says it will set the
underlying socket to blocking/non-blocking mode, but all the examples
and stuff I see say to use
'BIO_socket_ioctl(SSL_get_fd(ssl),FIONBIO,&sl)'. Can
'BIO_set_nbio_accept' be used to change the state of an SSL socket?
Thank you
Jim
Yes I know that, but all the examples I have seen do not use this macro.
As an aside I tried using it this past weekend and it did not seem to
work, the socket was not set to non-blocking mode as I expected.
That works on an accept BIO and sets the accept socket to non-blocking mode.
The macro BIO_set_nbio() sets BIOs to non-blocking mode in general. However
note that this only takes place during initialization so if you make the call
after the BIO has been used (e.g. connected or I/O performed) it wont work.
Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
______________________________________________________________________
OpenSSL Project http://www.openssl.org
User Support Mailing List openssl-users@openssl.org
Automated List Manager [EMAIL PROTECTED]
Thanks for the feedback, but the BIO_set_nbio still doesn't seem to
work. Here is what I am doing. I have a function which creates the
accept BIO and calls BIO_set_nbio as follows (this is obviously trimmed
down from my actual function):
BIO* ret = BIO_new_accept(hostString);
if (ret != NULL)
{
BIO_set_nbio(ret, 1); // This returns 1??
BIO_set_bind_mode(ret, BIO_BIND_REUSEADDR);
/* bind & listen */
if (BIO_do_accept(ret) > 0)
{
return ret;
}
...
now in my elsewhere in the program I have a 'startlistening' function
which does the following:
acceptRet = BIO_do_accept(sock);
if (acceptRet > 0)
{
BIO* client = NULL;
SSL* ssl = NULL;
client = BIO_pop(sock);
ssl = SSL_new(gCtx);
...
I would expect that the BIO_do_accept would return immediately if there
was no connections waiting. It does not.
Any thoughts on what I am doing wrong?
Thanks
Jim
______________________________________________________________________
OpenSSL Project http://www.openssl.org
User Support Mailing List openssl-users@openssl.org
Automated List Manager [EMAIL PROTECTED]
