Hi,

I am using "IBR-DTN version: 0.12.1 (build 7c220eb)" (Debian package)
and I'm experiencing what I think is a strange behavior using dtnrecv.

The configuration for the 2 testing machines (machine-a and machine-b)
are as follows (they are the same except for the machine name).

local_uri = dtn://machine-a.dtn
logfile = ../ibrdtn/ibrdtn.log
timezone = +9
limit_blocksize = 0
limit_lifetime = 604800
blob_path = ../ibrdtn/blobs
storage_path = ../ibrdtn/bundles
limit_storage = 10G
discovery_address = ff02::142
routing = prophet
routing_forwarding = yes
scheduling = yes

The test is to use dtnsend on mahcine-a and dtnrecv on machine-b.

machine-a$ echo "test" | dtnsend dtn://machine-b.dtn/filetransfer
machine-a$ echo "test2" | dtnsend dtn://machine-b.dtn/filetransfer

The issue is that on machine-b, no matter how many times I run
dtnrecv, I get the same "test", which doesn't seem to get purged (I
expect that I should get "test2" on the second try and dtnrecv should
be waiting for future bundles in the third try).

machine-b$ dtnrecv
test

machine-b$ dtnrecv
test

machine-b$ dtnrecv
test

In addition, the daemon throws the following error message everytime I
run dtnrecv.

Tue Jul  8 10:57:21 2014 WARNING BLOB::copy: output stream failed
[Success]; 0 of 6 bytes copied
Tue Jul  8 10:57:21 2014 WARNING BLOB::copy: output stream failed
[Success]; 0 of 6 bytes copied

However, on machine-b, if I run "dtnrecv --count 2", then the first
bundle (and only the first bundle) gets purged.

machine-b$ dtnrecv --count 2
test
Tue Jul  8 10:59:09 2014 NOTICE BundleEvent: bundle [458099790.1]
dtn://machine-a.dtn/CNiYgszrzAzmOhSy delivered
Tue Jul  8 10:59:09 2014 NOTICE BundlePurgeEvent: purging bundle
[458099790.1] dtn://machine-a.dtn/CNiYgszrzAzmOhSy
test2

If I continue to run dtnrecv, then I get "test2" all the time. And if
I run "dtnrecv --count 2" one more time, then the second "test2"
bundle finally gets purged.

Is this a bug, a misconfiguration, or an expected behavior?

Best regards,
Pawit Pornkitprasan
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