[Bug 220216] [patch] update net/scamper to 20161204a

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220216

            Bug ID: 220216
           Summary: [patch] update net/scamper to 20161204a
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: mjl at luckie.org.nz
          Keywords: patch

Created attachment 183719
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=183719&action=edit
update net/scamper to 20161204a

ChangeLogs at:

https://mailman.caida.org/pipermail/scamper-announce/2016-December/000009.html
https://mailman.caida.org/pipermail/scamper-announce/2017-June/000010.html

Merged:
scamper:
 * add remote control socket support to scamper.  scamper can be
   configured to connect to a remote controller at run time to
   allow remote systems to control a scamper instance.  the
   remote controller is handled by the sc_remoted utility, and
   is documented in the sc_remoted manual page (see below).
 * add a PATRICIA trie implementation based off Sedgewick's
   Algorithms in C++ book.  this improves the performance
   of scamper compared to holding addresses in splaytrees.
 * improve speed of warts(5) code.
 * improve speed of scamper_writebuf by allocating pagesize blocks
   at a time.
 * begin to document ping warts records in warts(5).
 * fix debug printf implementation so that all features will
   be built in as long as --without-debugfile is not used.
 * silence compiler warnings from Microsoft Visual Studio.
 * More fixes to libscamperfile caught with fuzz testing.  corrupt
   warts files provided by Greg Ward of Dyn
 * if targets or commands are specified in a file, and that file
   ends after all probing of commands in that file has completed,
   finish the source, allowing scamper to exit.  this scenario is
   most likely when stdin is the input file.  Reported by Alex
   Colvin of Dyn
 * use select/poll/epoll/kqueue to look for read events on stdin files
 * malloc enough memory for a prefix6_t in the prefixtree code.  reported
   by Sebastian Wagner via gcc7.  only sc_bdrmap uses that code
 * increase size of string buffers for some ping and trace fields for text
   output to silence gcc7 warning.
 * allow source IP address to be null when outputting a trace with json
 * update sc_tbitblind.1 man page to show correct use of scamper's IPFW
   firewall support, which changed in the 20161204 release
 * fix unlikely unaligned access when computing checksums with IPv6
   addresses

sc_prefixscan:
 * add a utility, sc_prefixscan, that provides a convenient
   interface to scamper's prefixscan alias resolution method.
   https://www.caida.org/tools/measurement/scamper/man/sc_prefixscan.1.pdf

sc_radargun:
 * add a utility, sc_radargun, that provides a convenient
   interface to scamper's radargun implementation.
   https://www.caida.org/tools/measurement/scamper/man/sc_radargun.1.pdf

sc_remoted:
 * add a utility, sc_remoted, that provides an interface to a
   collection of remote scamper instances.
   https://www.caida.org/tools/measurement/scamper/man/sc_remoted.1.pdf

sc_ally:
 * use writebufs so sc_ally is event driven and will not block.
 * add code to probe candidate sets in pairs, with transitive
   closure to save probes.
 * allow inter-probe gaps of less than 1 second.

sc_attach:
 * add support for remote control sockets.
 * add an option to randomise the order tasks are run.

sc_speedtrap:
 * stricter default test for inferring if two IP addresses may
   share a single shared counter.
 * code cleanup.

sc_warts2json
 * add support for printing ICMP extensions included in traceroute
   responses, prompted by Quirin Scheitle

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