On Fri, Jul 25, 2008 at 9:36 AM, Helmut Wolf <HelmutWolf1 at gmx.de> wrote: > Hi Benny, > > I am using stateful_proxy under Linux Debian which works very fine. But > sometimes on high data traffic I am wondering about having > data loss when using TCP connections. For e.g. when sending many SIP > messages one of them is incomplete and the next one is attached > to this incomplete packet which results to invalid message. > > The reason is on send- function in pj_sock_send(): On high traffic > sometimes it returns EAGAIN / EWOULDBLOCK. In this case pjsip > tries to send the packet asynchronously and everything is fine. But > sometimes send() can only send a packet fragment and returns the > number of bytes sended (which is then smaller then the packet size). > pj_sock_send() returns PJ_SUCCESS because the return value is > > 0 but there is no check if the complete packet is sended. > > A solution is that pjsip detects if only a packet fragment was sended and > tries to send the rest of packet asynchronously. > I skim through the code briefly and I think you could be right. But this scenario is quite obvious that frankly I'm surprised that it's not handled. I just filed this in http://trac.pjsip.org/repos/ticket/579 for now, I'll check it again more thoroughly and fix it ASAP. Thanks for the report. Cheers -benny -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080725/e3f881b6/attachment.html
