Re: [openss7] Getting through

[Chuck Winters <cwinters@atl.lmco.com>]

Brian,
	I checked the amount of bytes read and it returns 12 each time.  I have
no idea what is going on.

Chuck
"Brian F. G. Bidulock" wrote:
> 
> Chuck,
> 
> The code still does not check how much data was returned
> by recvmsg.  It may be returning 0.  It is not the correct
> semantic to return 0 bytes read, but it would be worth
> checking.  Recvmsg returning 0 would completely expain
> the results.
> 
> (Linux TCP has some weird problems with regard to POSIX
> compliance in recvmsg as well which could have carried
> into the SCTP code.)
> 
> I would suggest:
> 
> Chuck Winters wrote:                             Tue, 12 Jun 2001 18:57:27
> 
> [snip]
> >
> >       /** Now read from the socket **/
> >       for(ct = 0; ct < 100; ct++)
> >       {
>                 int bytes;
>                 if( (bytes = recvmsg(connect_sock, &message, MSG_WAITALL | MSG_NOSIGNAL)) < 0)
> >               {
> >                       perror("Reading");
> >                       exit(1);
> >               }
> >
> >               fprintf(stderr, "Client Addres is %s\n", message.msg_name);
>                 fprintf(stderr, "Read %d bytes\n", bytes);
> >               fprintf(stderr, "%d) Data received is  %s\n", ct, message.msg_iov->iov_base);
> >
> >               ioctl(connect_sock, FIONREAD, &buffsize);
> >               fprintf(stderr, "Data still in recv buffer is %d\n", buffsize);
> >               memset(buff, 0, 1024);
> >               fprintf(stderr, "buffsize %d\n", buffsize);
> >       }
> [snip]
> 
> --
> Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
> bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
> http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
>                         ¦ Therefore  all  progress  depends on the ¦
>                         ¦ unreasonable man. -- George Bernard Shaw ¦

--
Chuck Winters                            | Email:  cwinters@atl.lmco.com
Distributed Processing Laboratory        | Phone:  856-338-3987
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