Hello
Can you Please help me with knowing some of functions to be edited while
making a new protocol ,
I am working on ns2 but it really confuses me like how to add a timer ,
scheduler , agent . I don't understand where to add . I try but i get some
errors while compiling . If you can Please help me i am putting up at
[email protected]
svanan77 wrote:
>
>
> Dear Hongsheng Lu,
>
> Scheduler::instance().clock() has 9 decimal point accuracy, most of
> the time it will be different.
>
> Even you are calling it in the same file and in the same function, you
> might end up completely different timings. You can either use a
> debugger or simply printf statements to understand this.
>
> For instance, assume you have a topology of two wireless nodes, T and
> R where T transmits a data packet to R using 802.11 MAC.
>
> Try to put a printf statement calling scheduler::instance().clock()
> directly before send(p,h) at,
>
> if(hdr->direction() == hdr_cmn::DOWN) {
> send(p, h);
> return;
> }
>
> and another printf statement directly after the IF loop.
>
> in Mac802_11::recv function in mac-802_11.cc file
>
> You will see completely different clock information as it is not a
> systems time but simulated time. The first timing information related
> when T sends a packet and the second timing information related when R
> received a packet at the MAC layer which accounts a link delay among
> other timing parameter.
>
> By just shifting the printf statement couple of lines in the same
> function you are already at a different node location.
>
> Good Luck.
>
> rgds
> Saravanan K
>
>
>
>
>
> On Sat, Aug 4, 2012 at 2:45 AM, Hongsheng Lu <[email protected]> wrote:
>>
>> Hi there,
>>
>> I am a newer to NS2. Could anyone tells me
>> how Scheduler::instance().clock() works? In particular,
>> when Scheduler::instance().clock() are called at two different places in
>> the program (might be in different methods or classes), how can I tell
>> whether they return the same or different time? Thanks a lot.
>>
>> --
>> Best Regards,
>> Hongsheng Lu
>
>
>
-----
Ajinkya K
:rules:
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