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Jaeyounj  
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 More options Nov 15 2008, 2:42 pm
From: Jaeyounj <jyoungj...@gmail.com>
Date: Sat, 15 Nov 2008 11:42:32 -0800 (PST)
Local: Sat, Nov 15 2008 2:42 pm
Subject: Help "OnOffHelper"
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Hello,

I am testing a ns-3 example "wifi-adhoc.cc" but I can't find where the
definition of OnOffHelper is in Doxygen.

OnOffHelper onoff ("ns3::PacketSocketFactory", Address
(socketAddress));
onoff.SetAttribute ("OnTime", RandomVariableValue(ConstantVariable
(250)));
onoff.SetAttribute ("OffTime", RandomVariableValue(ConstantVariable
(0)));
onoff.SetAttribute ("DataRate", DataRateValue(DataRate(60000000)));
onoff.SetAttribute ("PacketSize", UintegerValue(2000));

Could anybody explain RandomVariableValue(...) in "OnTime" and
"OffTime"?

Even though I change the value in "OnTime", it works. Is it normal?
ex) onoff.SetAttribute ("OnTime", RandomVariableValue(ConstantVariable
(0)));

Thank you,
Jaeyoung


 
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Tom Henderson  
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 More options Nov 15 2008, 7:16 pm
From: Tom Henderson <t...@tomh.org>
Date: Sat, 15 Nov 2008 16:16:19 -0800
Local: Sat, Nov 15 2008 7:16 pm
Subject: Re: Help "OnOffHelper"
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Jaeyounj wrote:
> Hello,

> I am testing a ns-3 example "wifi-adhoc.cc" but I can't find where the
> definition of OnOffHelper is in Doxygen.

> OnOffHelper onoff ("ns3::PacketSocketFactory", Address
> (socketAddress));
> onoff.SetAttribute ("OnTime", RandomVariableValue(ConstantVariable
> (250)));
> onoff.SetAttribute ("OffTime", RandomVariableValue(ConstantVariable
> (0)));
> onoff.SetAttribute ("DataRate", DataRateValue(DataRate(60000000)));
> onoff.SetAttribute ("PacketSize", UintegerValue(2000));

I think you found two bugs.  I do not know why Doxygen is not picking up
the doxygen comments in src/helper/on-off-helper.h

http://www.nsnam.org/bugzilla/show_bug.cgi?id=410

> Could anybody explain RandomVariableValue(...) in "OnTime" and
> "OffTime"?

> Even though I change the value in "OnTime", it works. Is it normal?
> ex) onoff.SetAttribute ("OnTime", RandomVariableValue(ConstantVariable
> (0)));

This one is now logged as:

http://www.nsnam.org/bugzilla/show_bug.cgi?id=411

We'll try to fix this as soon as possible.

Tom


 
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