[Click] Using udpgen.click without polling device patch???

[Eddie Kohler]

Hi Shule,

1. Use FromDevice instead of PollDevice. It will be slower, but might still be
fast enough for you.
2. Yes, if you just leave the line in, I would expect 0 rate: the PollDevice
does nothing.

Eddie


On 9/27/11 9:58 PM, shule ney wrote:
> *HI all:*
>    The udpgen.click is as below:
> 
> // UDPGen($device, $rate, $limit, $seth, $sip, $sport, $deth, $dip, $dport);
> //
> //	$device		name of device to generate traffic on
> //	$rate		rate to generate traffic (packets/s)
> //	$limit		total number of packets to send
> //      $size		bytes per packet
> //	$seth		source eth addr
> //	$sip		source ip addr
> //	$sport		source port
> //      $deth		destination eth addr
> //	$dip		destination ip addr
> //	$dport		destination port
> 
> elementclass UDPGen {
>    $device, $rate, $limit, $size,
>    $seth, $sip, $sport, $deth, $dip, $dport |
> 
>    source :: FastUDPSource($rate, $limit, $size, $seth, $sip, $sport,
>                                                  $deth, $dip, $dport);
>   * **pd :: PollDevice($device) ->  ToHost;*
>    source ->  td :: ToDevice($device);
> }
> 
> // create a UDPGen
> 
> u :: UDPGen(eth1, 82000, 820000, 1500,
> 	    00:e0:29:05:e2:d4, 2.0.0.2, 1234,
> 	    00:c0:95:e2:09:14, 1.0.0.2, 1234
> 
> 1.So what does pd used for??? If I don't have polling device patch,
> will it send much slower??
> 
> 2.When I don't commented out this line， it also works, and the rate of
> u is 0, is it common???
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