Problem in Netgraph ( TESTING OF MY NODE )

[Julian Elischer]

On Sun, 21 Mar 2004, Julian Elischer wrote:

> 
> 
> On Sun, 21 Mar 2004, [iso-8859-1] manish gautam wrote:
> 
> > Ist problem
> > =============
> > 
> > i hav created my own node named "m" .and using
> > commands
> > 
> > kldload netgraph
> > kldload ng_ether
> > kldload ng_m
> > 
> > i also create an ether node and then i attach my "m"
> > node to ether node using 
> > 
> > ngctl mkpeer ed0: m upper right
> > 
> >  after that on command ::-->
> > 
> > ngctl msg my_m: getstats  ( my_m is name of peer to
> > ether i.e my node )
> > 
> > result is as follows ::-->
> > 
> > Rec'd response "getstats" (1) from "my_m:":
> > Args:  { right={inOctets=3508 inFrames=54 }
> > left={outOctets=3508 outFrames=54 } }
> 
> 
> It means that your module is doing SOMETHING
> I can not say if it is working as I don't know aything about your node..
> I presume it is based on the 'tee' node..
> 
> 
> > 
> > Does that mean my node is working... YES or  NO?
> > If yes , is every packet coming through ethernet card
> > pass through my node. 
> 
> no,  you only connected to the 'upper' part of the ethernet 
> interface so you are only capturing outgoing packets
> I'm not sure if the node correctly does not count bytes going out a
> disconnected hook or not.


Looking at ng_tee I see a bug where bytes are counted even if the 
output hook is diconnected.. I will commit a fix now....


> 
> 
> you should also do: ngctl connect ng_m: ed0: left lower
> 
> or something like that I presume
> 
> you may also want to look at the ng_etf node
> (and it's man page (man ng_etf)
> 
> 
> I'm presuming youhave read the man pages.. there should be one for every
> node type..
> ng_tee ng_ether etc.
> 
> > If no, how do I check it and made every packet pass
> > through my own node.
> 
> 
> look at the packets by attaching nghook to the left2right and 
> right2left hooks
> 
> 
> 
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