Hi Yogesh, are you connecting the listening socket? That shouldn't work on Linux either. The DTLSv1_listen call returns the sock_addr structure of the connecting client, so you can create a new socket dedicated for that client and connect it, while leaving the listening socket unconnected to receive everything else.
Best regards Robin 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." > > So it appears that once a socket is connected to a client, it will no > longer be used for accepting second client. > > 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
