[Click] cable check

[Eddie Kohler]

Hi Pieter,

pieter wuytens wrote:
> Hi Eddie,
> 
> first off all thank you for writing the handlers. 
> 
> but i have still a question.
> 
> how could i do the following. if from eth1 the cable is unplugged then the switch should switch.
> 
> change::Switch(0)
> FromDevice(eth0)->Queue->change->ToDevice(eth1);
> change[1]->ToDevice(eth2);
> 
> how can i use your handlers?

Try

ToDevice(eth1, DOWN_CALL change.switch 1)

If you want plugging in the cable to restore, then

ToDevice(eth1, DOWN_CALL change.switch 1, UP_CALL change.switch 0)

> and also if i plug out the cable the /proc/click/FromDevice/Active keeps saying true is that correct

Yes, that was the correct behavior, but I'll changed it so it should return
false when the device is down.

Eddie




> ik realy hope you can help me
> 
> thx a lot
> ----------------------------------------
>> Date: Thu, 28 Feb 2008 11:50:13 -0800
>> From: kohler at cs.ucla.edu
>> To: pieter_wuytens at hotmail.com
>> CC: click at amsterdam.lcs.mit.edu
>> Subject: Re: [Click] cable check
>>
>> Hi Pieter,
>>
>> I've just added UP_CALL and DOWN_CALL handlers to the Click linuxmodule device 
>> elements, such as FromDevice and PollDevice and ToDevice.  With these handlers 
>> plus Script it should be able to do something like what you want.
>>
>> Eddie
>>
>>
>> pieter wuytens wrote:
>>> Hello,
>>>
>>> is there a way to check if the cable is present in an eth0 if i plug out the cable then click should detect this and switch to an other interface eth1. how should i do this? i tried it with a ping and when the ping loses packages then switch but this is really slow. so i hope there is a way to do this faster in click
>>>
>>> thx in advance 
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