May 2014 - Ibr-dtn - lists.ibr.cs.tu-bs.de

error ibrcommon::IOException
by magda lena 28 May '14

28 May '14

hello, The error message says the that program is unable to create a temporary > file. Maybe your BLOB path is not accessible for the program due to > missing rights? > can i just use blob_path = /tmp/blob/ ? thanks :)

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Re: [ibr-dtn] ERror IPNDAgent join failed
by magda lena 28 May '14

28 May '14

thanks Stephan , > "ERROR IPNDAgent: join failed on wlan0; 92: setsockopt() > In most cases, you can ignore this message. > > > > but it still can transfered file > can it send or receive the file? > > > You say, you are using the same configuration on both nodes. Is it still > the one with routing=none and the static routes yes its still about it. if i can just ignored that message, my problem is in the ibrcommon::IOException error on another subject.

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Re: [ibr-dtn] ERror IPNDAgent join failed
by magda lena 28 May '14

28 May '14

> There is already an answer on this: > https://mail.ibr.cs.tu-bs.de/pipermail/ibr-dtn/2014-February/000623.html > > In detail, your Pi does not support IPv6, but the daemon tries to > utilize it. Calm down and check if something you expect is not working. > If yes, ask again with more details. If not ignore the message. > > If dtnping fails, first check if the clocks are in sync. For dtnping > both clocks must not be more than 20 seconds apart. > thank you for your clear explanation :) if i can just ignore the message, my problem is still in the error ibrcommon on another subject on mailing list. thanks johannes.

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ERror IPNDAgent join failed
by magda lena 28 May '14

28 May '14

Hello, i have a problem with my ibr-dtn, i will be very glad if someone could help me to fix this. i have ibrdtn instaled on my raspberry pi and ubuntu. with the same configuration. when i run ibrdtn on ubuntu there aren't any error message and it can transfered file but when i run ibrdtn on my raspberry pi using command dtnd -i wlan0 -c /etc/ibrdtn/ibrdtn.conf -v it says error message : "ERROR IPNDAgent: join failed on wlan0; 92: setsockopt() but it still can transfered file but cannot ping to another node what's that mean? and how to fixed it? thank you :)

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error ibrcommon::IOException
by magda lena 28 May '14

28 May '14

I'm sorry when i checked the message again. it say "Could not create a temporary file" in the node A when i try to ping from node A to node C and then when i try to ping node B to node A it say different but similar message "could not create a temporary name" what does its mean? does it related to the storage path defined? hello Johanes, > thank you for replying my question. > > I'm sorry "Could not create a temporary file" is the right message. > I wrote it wrongly. > what's is the meaning of this message and how to solve it ? > > > > Am 28.05.2014 15:32, schrieb magda lena: >> > what() : could not create a temporary name >> >> Is that the correct error message? >> Or say it "Could not create a temporary file" instead? >> > > thank you :) > >

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error ibrcommon::IOException
by magda lena 28 May '14

28 May '14

hello Johanes, thank you for replying my question. I'm sorry "Could not create a temporary file" is the right message. I wrote it wrongly. what's is the meaning of this message and how to solve it ? Am 28.05.2014 15:32, schrieb magda lena: > > what() : could not create a temporary name > > Is that the correct error message? > Or say it "Could not create a temporary file" instead? > thank you :)

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error ibrcommon::IOException
by magda lena 28 May '14

28 May '14

hello Johanes, thank you for replying my question. I'm sorry "Could not create a temporary file" is the right message. I wrote it wrongly. what's is the meaning of this message and how to solve it ? Am 28.05.2014 15:32, schrieb magda lena: > > what() : could not create a temporary name > > Is that the correct error message? > Or say it "Could not create a temporary file" instead? > thank you :)

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static routing and how to see bundle at receiver
by magda lena 28 May '14

28 May '14

hello, im sorry that i forget mention the answer to the mailing list before :) thank you for your answer. I did your suggestion no. 1 and 2 > i have question related to your answer. > > > > 1. is it true that i set ibrdtnd.conf with the following config ? > > > > routing = none > > > > routing_forwarding = yes > > > > route1 = dtn://nodeC.dtn dtn://nodeB.dtn > Nearly. I think you should use dtn://nodeC.dtn/* for the regular > expression to match. > > > > 2. how about ibrdtnd.conf for node B and C, what can i configure? > at node B, you can leave routing=default and routing_forwarding = yes, > if you want node c to answer via node b (i.e. ping reply), then you have > to add route1 = dtn://nodeA.dtn/* dtn://nodeB and also routing=none. > > (beware, node names are case sensitive!) > > > > 3. i start ibrdtn using "dtnd -i wlan0", how can i start it with -v, > > can you give me an example ? > sure. dtnd -i wlan0 -c /path/to/config -v and then i start ibrdtn with the syntax above (no.3), but when i ping nodeC from nodeA i got this error "terminate called after throwing an instance of 'ibrcommon::IOException' what() : could not create a temporary name aborted" and the ibrdtn service stop what's the meaning of this error and how can i fixed this ? thankyou :)

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Re: [ibr-dtn] static routing and how to see bundle at receiver
by Stephan Rottmann 28 May '14

28 May '14

Hi, > i have question related to your answer. > > 1. is it true that i set ibrdtnd.conf with the following config ? > > routing = none > > routing_forwarding = yes > > route1 = dtn://nodeC.dtn dtn://nodeB.dtn Nearly. I think you should use dtn://nodeC.dtn/* for the regular expression to match. > 2. how about ibrdtnd.conf for node B and C, what can i configure? at node B, you can leave routing=default and routing_forwarding = yes, if you want node c to answer via node b (i.e. ping reply), then you have to add route1 = dtn://nodeA.dtn/* dtn://nodeB and also routing=none. (beware, node names are case sensitive!) > 3. i start ibrdtn using "dtnd -i wlan0", how can i start it with -v, > can you give me an example ? sure. dtnd -i wlan0 -c /path/to/config -v Btw, it is always the best to send the answer to the mailing list because others might have other ideas, too ;) So I added the list to CC. Stephan

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Fwd: static routing and how to see bundle at receiver
by magda lena 28 May '14

28 May '14

hello, I'm doing research for my thesis about ibr-dtn routing. i have several questions about routing on ibr-dtn. 1. how can i configure ibrdtn.conf file to if i want to : send data from node A to node C, but it goes through node B first before reach node C ? 2. how can i see(check) that bundle sent to node B from A and sent again to node C ? thank you so much. hope that you can help fix my problem :)

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