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[ns] Re: Your Message Sent on Fri, 3 Nov 2000 19:02:23 +0530 (IST)
say in your tcl script you have
$pingagent send
argc is the number of arguments on the line
argv is the array holding them
command "sees" that there are 2 arguments
and that 2nd arguments equals "send"
then executes the code below...
>Date: Fri, 3 Nov 2000 19:02:23 +0530 (IST)
>From: Pushpendra Singh <[email protected]>
>To: [email protected]
>MIME-Version: 1.0
>
>Hello all
> I am new user to ns .... I want to ask few questions abt working
>of ns
>In any agents file say ping.cc we have the command function like
>
> if (argc == 2) {
> if (strcmp(argv[1], "send") == 0) {
> // Create a new packet
> Packet* pkt = allocpkt();
> // Access the Ping header for the new packet:
> hdr_ping* hdr = (hdr_ping*)pkt->access(off_ping_);
> // Set the 'ret' field to 0, so the receiving node knows
> --------------
>-------------
>My question is where from we get these argc and argv values......??
>
>Regards,
>
>
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>Pushpendra Singh
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Tarik