Re: [ns] question about printing variable in c++

[Padmaparna Haldar <haldar@ISI.EDU>]

On Fri, 21 Dec 2001, Joo-Han Song wrote:


> Hi users,
> 
> I am doing my simulation about modified AODV routing mechanism. I tried to printout some values of existing variable in ~ns/ns-2.1b8a/aodv.cc like:
> 
> void
> AODV::recvRequest(Packet *p)
> {
> 
>   Tcl& tcl = Tcl::instance();
>   Node *thisnode = Node::get_node_by_address(index);
>   MobileNode *node_;
>   struct hdr_cmn *ch = HDR_CMN(p);
>         struct hdr_ip *ih = HDR_IP(p);
>         struct hdr_aodv_request *rq = HDR_AODV_REQUEST(p);
>      rt_entry *rt;
>   double x = 0.0, y = 0.0, z = 0.0;
>   node_ -> getLoc(&x, &y, &z);
>   tcl.evalf("time = %.9f, x = %.2f, y = %.2f, z = %.2f, this node = %d\n", CURRENT_TIME, x, y, z, index);
> 
> .............
> .............
> .............
> }

You can directly call printf or fprintf instead of calling the 
time-expensive tcl.evalf for printing values out either to stdout or a 
file.
--Padma

> 
> As you might see from above tcl script, I tried to print out the value of CURRENT_TIME, x, y, z and index whenever recvRequest function is called.
> But there is nothing happened during my simulation.
> How can I see this values or make this value to be stored in specific file?
> Could anybody help me?
> Thank you in advance.
> 
> Joo-Han
> 
> 

-- 
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Be true to your work, your word, and your friend. 
--Thoreau

Padmaparna Haldar