Re: Topology file format

[Schanzenbach, Martin]

Hi,

unfortunately I have no experience with testbed.

But the configuration should be

1:2|3 3:4|0 0:2
(fixed spacing)

I would assume that peers get connected like you said you expect them.
I am not sure why they don't; might be a bug in testbed.

In general if peer A connects to peer B you should have a bi-directional 
connection (at core level).
So the output you posted does not match the configuration above.

grothoff may know more about topology and testbed though.

BR


> On 20. Feb 2020, at 19:42, Vikas Maurya <address@hidden> wrote:
> 
> 
> Hi, 
> Reposting this question as there were no replies. 
> 
> If the question is too long or confusing, I have one simple question. 
> In topology file format when we give
> 1:2|3 3:4| 0 0: 2
> 
> Is the connection 2->1 is bidirectional or only 2 can connect to 1 and not 
> vice versa?
> 
> Thanks, 
> Vikas Maurya
> 
> 
> ---------- Forwarded message ---------
> From: Vikas Maurya <address@hidden>
> Date: Sat, Feb 15, 2020 at 8:56 PM
> Subject: Topology file format
> To: <address@hidden>
> 
> 
> Hi, 
> I was working with topology file while using gnunet-testbed-profiler. I saw 
> the example given here.
> 
> <snip> 
> For example, the following file will result in 5 overlay connections: [2->1], 
> [3->1],[4->3], [0->3], [2->0]  1:2|3 3:4| 0 0: 2 
> <snip> 
> 
> I am having difficulty understanding how this actually works when I run 
> gnunet-core to see which peers are connected. 
> for example after running above example 
> I saw the following result
> <snip> 
> ~$ gnunet-core --config=/tmp/testbedNfC39S/0/config
>  Sa Feb 15 20:47:51 2020: connection established         6YNB (timeout in  
> 283 s)
> ~$ gnunet-core --config=/tmp/testbedNfC39S/1/config
>  Sa Feb 15 20:47:57 2020: connection established         DK5W (timeout in  
> 276 s)
>  Sa Feb 15 20:47:57 2020: connection established         6DEV (timeout in  
> 276 s)
>  Sa Feb 15 20:47:57 2020: connection established         G3FK (timeout in  
> 276 s)
> ~$ gnunet-core --config=/tmp/testbedNfC39S/2/config
>  Sa Feb 15 20:48:01 2020: connection established         6YNB (timeout in  
> 272 s)
> ~$ gnunet-core --config=/tmp/testbedNfC39S/3/config
>  Sa Feb 15 20:48:05 2020: connection established         6YNB (timeout in  
> 268 s)
> ~$ gnunet-core --config=/tmp/testbedNfC39S/4/config
> ~$
> <snip> 
> 
> These results doesn't make sense when compared to the explanation given in 
> the example(why does node 4 has zero connections for example). 
> so I have two questions 
> 1. What exactly does the above example translates to ?
> 2. When we say 1:2|3 , does that mean the connection will be bidirectional? 
> 
> Thanks,
> Vikas Maurya
> 
>