On Jul 16, 2011, at 1:53 AM, Yogesh Chopra wrote: > Hi, > I am using OpenSSL-1.0.0d (release) + all cumulative bug fixes + > DTLS Heartbeat feature patch on Windows. > > A DTLS server (non-blocking) using DTLSv1_Listen having a UDP socket > with SO_REUSEADDR is unable to accept a second client connection when > it is already accepted a client connection and serving it. > > Details: > > Server Client 1 > State > > DTLSv1_Listen Handshake complete Established > Client 2 > State > Keeps sending CLIENT > HELLO but Server never responds with HelloVerify request > and select never gets > triggered on the listen fd (used by DTLSv1_listen) > > As per some of the windows documents for connect, see excerpt below: > > http://msdn.microsoft.com/en-us/library/ms737625%28v=vs.85%29.aspx > > "For a connectionless socket (for example, type SOCK_DGRAM), the > operation performed by connect is merely to establish a default > destination address that can be used on subsequent send/ WSASend and > recv/ WSARecv calls. Any datagrams received from an address other than > the destination address specified will be discarded." That sounds similar to Unix. > > So it appears that once a socket is connected to a client, it will no > longer be used for accepting second client. There is one socket used for listening and one socket for each client. Can you provide us with the code for the server side which shows this problem? You can send it privately to Robin or myself.
Best regards Michael > > It has been observed, that when the first client connection is > released (terminated) a new client connection is accepted. > > This is not a problem on Linux. > > Is there any workarounds or special handling for windows ? > > Thanks, > -Yogi > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > Development Mailing List openssl-dev@openssl.org > Automated List Manager majord...@openssl.org > ______________________________________________________________________ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
