From owner-freebsd-hackers  Mon Aug 17 09:44:28 1998
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From: Nate Williams <nate@mt.sri.com>
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To: Didier Derny <didier@omnix.net>
Cc: hackers@FreeBSD.ORG
Subject: Re: Yard/FreeBSD Problem (fwd)
In-Reply-To: <Pine.BSF.3.96.980817141225.25770A-100000@omnix.net>
References: <Pine.BSF.3.96.980817141225.25770A-100000@omnix.net>
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> If it is the correct sequence do you have any idea on why it
> does not seem to be working ?
...
> and this is the server:
> 
> ===============================
>    
>         if ((s = socket(AF_INET,SOCK_STREAM,0)) < 0)
>         {
>                 fprintf(stderr,"server: socket() failed. errno = %d\n",errno);
>                 netlog("server: socket() failed. errno = %d\n",errno);
>                 exit(1);
>         }
> 
>         if ((sopt = getenv("YARDTCPNODELAY")))
>         {
>                 int flag = 1;
>         
>                 printf("Using socket option TCP_NODELAY to %d\n",flag);
>                 if (setsockopt(s, IPPROTO_TCP, TCP_NODELAY,(char*)&flag,sizeof(i
> nt)) < 0)
>                 {
>                         fprintf(stderr,"server: setsockopt() failed. errno = %d\
> n",errno);
>                         netlog("server: setsockopt() failed. errno = %d\n",errno
> );
>                 }
>         }


The server-socket from the client should be gotten via an 'accept' call,
not from a raw socket call.  The server code above is wrong, as the
setsockopt should be called on the socket you get from accept().


Nate

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