Date: Fri, 26 Jan 2001 01:02:33 -0500 From: "Patrick Bihan-Faou" <patrick@netzuno.com> To: <agoodloe@gradient.cis.upenn.edu> Cc: <freebsd-hackers@freebsd.org> Subject: Re: Divert Sockets & Fragmentation revisited Message-ID: <HJEEKLMFLKEOKHOKNPBMIEGDCJAA.patrick@netzuno.com>
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Hi,
Sorry to state something that is obvious, but when you bind your socket to
the port, you have the port in the correct (network) order ?
i.e. do you use htons(DIVERTPort) ?
If you have lsof installed, run it and look at the port number that your
program listens on.
Patrick.
> Here is the important code fragments:
>
> Note: I have played with the MAX_PACKET_SIZE in hopes that it would make
some
> difference but to no avail.
>
> #define MAX_PACKET_SIZE 300000
> #define DIVERTPort 4422
> #define ACTIVE_UDP_PORT 3322
>
>
> if ((divert_sock = socket(PF_INET, SOCK_RAW, IPPROTO_DIVERT)) < 0)
> sys_error("divert socket error");
> set_sock_data(&server_divert,PF_INET,DIVERTPort,INADDR_ANY);
> printf("Step 1 \n"); /* Register address and port with the system */
> if (bind(divert_sock, (struct sockaddr*)
&server_divert,sizeof(server_divert)) < 0)
> sys_error("server_divert bind error");
> for ( ; ; ) {
>
> n = recvfrom (divert_sock,encaped_pkt,MAX_PACKET_SIZE,0,
> ( struct sockaddr * ) &client_add,&clilen);
>
>
>
>
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