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Re: [ns] Question regarding getting packet information
did you include agent.h in your modified program ?
Kun-chan Lan
-----Original Message-----
From: XuDong Wu <[email protected]>
To: [email protected] <[email protected]>
Date: Friday, June 09, 2000 2:04 PM
Subject: [ns] Question regarding getting packet information
>Hi, ns guru:
>
> I intend to get packet flowid or src address in distinguish between
>them.
>
>I use the following methed in enque routine in drop-tail.cc
>
>void DropTail::enque(Packet* p)
>{
> if(DEBUG){
> hdr_ip* iph = (hdr_ip*) p->access(off_ip_);
> printf(" flowid=%d, src=%d.%d \n", iph->flowid(),
>iph->src()>>8,
>iph->src()&0xff);
>
> }
>
>
>However, I get the following information when I compiling drop-tail
>of my modified version.drop-tail.cc: In method `void
>
>DropTail::enque(class Packet *)':
>drop-tail.cc:78: `off_ip_' undeclared (first use this function)
>
>Could anyobe tell me how to solve this problem ?
>
>The infmation of how to get packet information is appreciated.
>
>Thanks
>
>Xudong
>
>
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