[scamper-announce] scamper-cvs-20250630

[Matthew Luckie]

https://www.caida.org/catalog/software/scamper/code/scamper-cvs-20250630.tar.gz

SHA256 (scamper-cvs-20250630.tar.gz) = 2bf708c63a0b6709e715c475a64d9827cd88ec8afd15452a39342b1d4f4358a5
SIZE (scamper-cvs-20250630.tar.gz) = 3252356

scamper:
* support tx/rx on ARPHRD_NONE linux packet sockets
* make route socket code work on solaris
* disable epoll on solaris, which doesn't seem to work
* let host -s take an IPv6 address
* add sniff.enable and neighbourdisc.enable config options
* add neighbourdisc json output
* abandon a remote source and its current tasks when sc_remoted sends
  an application-level fin
* trace, tracelb: do not do ptr lookups if host command has been
  disabled by configuration

libscamperfile:
* add scamper_neighbourdisc_tojson, bump version
* clean up mtu / stop_hop checks in trace text output

Python module:
* add ScamperNeighbourdisc.to_json(), to convert a neighbourdisc object
  to JSON.
* add ScamperInst.resultc attribute, to find out the number of result
  objects queued in the parent ScamperCtrl for the instance.
* signal eof when the instance has no objects queued in parent ctrl

sc_remoted:
* disconnect mux clients if associated scamper process disconnects

sc_pinger:
* add -Z zombie-time option, which will cause sc_pinger to exit if a
  remote scamper instance goes silent for a user-defined length of
  time
* add -B bad-spec option to detect bad probe methods at run time,
  which look for unlikely sequences of reply TTL values
* update documentation

tests:
* further config unit tests
* add neighbourdisc test case

misc:
* benign changes to allow compilation on solaris
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