[Click] Shaper problems

[Eddie Kohler]

Ah; that's not a bug.

Eddie


Peter De Cleyn wrote:
> This script indeed works fine but without the SetTimestamp, the output from
> IPPrint will show the time of creation of the shaped icmp packets,  giving
> the impression packets are not shaped correctly.  Two consecutive packets
> coming from the shaper will have timestamps that do not match the expected
> 0.5 sec difference.
> When using the SetTimestamp after  the shaper, one will see that packets are
> send out from the shaper in proper intervals.
> 
> Peter
> 
> On 3/2/06, Eddie Kohler <kohler at cs.ucla.edu> wrote:
> 
>>Hi Bart,
>>
>>What do you mean "shapes incorrectly"?  When I run the script with or
>>without
>>SetTimestamp it acts pretty much the same.
>>
>>Eddie
>>
>>
>>Bart Braem wrote:
>>
>>>Hello,
>>>
>>>We have problems using the Shaper element. When executing the following
>>
>>script
>>
>>>in userlevel on Click 1.4.3 and Click CVS the Shaper clearly shapes
>>>incorrectly.
>>>
>>>ICMPPingSource(1.2.3.4, 2.3.4.5, INTERVAL 0.01)
>>>//    -> SetTimestamp
>>>      -> IPPrint("before shaper")
>>>      -> Queue
>>>      -> Shaper(2)
>>>      -> Unqueue
>>>//    -> SetTimestamp
>>>      -> IPPrint("after shaper")
>>>      -> Discard;
>>>
>>>When unquoting SetTimestamp things seem to work correctly. Of course I
>>
>>wonder
>>
>>>why. Shaper does not reference the timestamp annotation so I do not
>>>understand this effect...
>>>
>>>Bart
>>>
>>>
>>>------------------------------------------------------------------------
>>>
>>>_______________________________________________
>>>click mailing list
>>>click at amsterdam.lcs.mit.edu
>>>https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>
>>_______________________________________________
>>click mailing list
>>click at amsterdam.lcs.mit.edu
>>https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>
> 
> _______________________________________________
> click mailing list
> click at amsterdam.lcs.mit.edu
> https://amsterdam.lcs.mit.edu/mailman/listinfo/click