tree e354efc096bcac82b88a8eea14d5c3cb36255189
parent 8ac6e503656d73c5dddb252518e77a894ef393b9
author Ed Tanous <edtanous@google.com> 1660588258 -0700
committer Ed Tanous <ed@tanous.net> 1673980797 +0000

Refactor ipv4VerifyIpAndGetBitcount

Boost has a number of ip related functions that can do a lot of this
parsing for us, we should make use of them.

Unfortunately, boost::asio::network_v4[1] doesn't have a no-throw
variant of this constructor.  It's not clear if this was an intentional
omission, but for the moment, this patchset chooses to reimplement the
mask code in-place for the moment.  Even with this, the code is still
simpler than what was present.

[1] https://www.boost.org/doc/libs/1_80_0/doc/html/boost_asio/reference/ip__network_v4/network_v4.html

Tested: Unit tests pass.  Pretty good coverage.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ia50b50ce0096a5acbb9da814ee15aa8edbfe0e31