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otherwise ICMP messages appear in pcap files and some messages are lost
since they seem to be dropped by the kernel.
Change-Id: Id69d98db63f8260067ad6bc1525fb05c936912f2
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Check if dumpcap is installed (either as suid or with appropriate
capabilities) and use it for packet capture instead of
'sudo tcpdump' if available. This makes it easier to use TTCN-3
testsuite as regular user without altering sudoers.
Change-Id: I77df04d51a469c924cf727f0596cc33565909746
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Prepare for supporting alternative packet dumpers:
* reword comments
* rename pidfile
* move tcpdump-specific option inside if
* move comment about sudo closer to actual sudo invocation
Those are cosmetic changes which do not affect how packet dump is made
but makes it easier to support alternative packet dumpers in follow-up
commit.
Change-Id: Ib2528db65348c0422fe8b7c7c53656fbce4f6405
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Also log the testcase name in tcpdump-start.sh.
The output now looks like
------ MSC_Tests.TC_mo_cc_bssmap_clear ------
Thu Mar 7 13:21:00 UTC 2019
[...]
Thu Mar 7 13:21:04 UTC 2019
====== MSC_Tests.TC_mo_cc_bssmap_clear pass ======
The reason to log start and end dates came up like this: I noticed a segfault
in a tested program at a specific time. From the timestamp I tried to find out
which of the tests saw the failure. (After a segfault, all subsequent tests run
and fail, but it is not obvious which failure occured because of a segfault,
and which ones just normally failed before that.) Looking at the timestamps of
the log files didn't help, because the ttcn3_logmerge touched those after the
tests completed. So the only way is to cat each individual log file and find
the timestamp.
So this adds an overview of the timestamps without needing to open log files.
Change-Id: I0832d9b5df599baad5dec8d3a993481b4286fbb3
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Change-Id: I0d2d6171430f1eebb5377edac5e237a99ddbd743
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There's a time delay between packets are sent through the system and
tcpdump reads, buffers and stores them into the pcap file. We need to
give it more time to process everything before killing it, otherwise
last (or all) packets from the test are not captured.
Change-Id: I240d8f1bdb2ca6ad353e60ef15937dc2bd4cbebd
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Let's make sure we share common configuration between the test
suites and split the config file into a "default" part which is
used (but not copied) in the Docker images, and a "local" part
which is basically those overrides that the user (or docker image)
wants to do from the default.
Change-Id: I3db452e24e5238aa05254d903739c64d202e61db
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