2ping is a bi-directional ping utility. It uses 3-way pings (akin to TCP
SYN, SYN/ACK, ACK) and after-the-fact state comparison between a 2ping
listener and a 2ping client to determine which direction packet loss
occurs.
New formula twoping.rb with a 2ping alias.
ClosesHomebrew/homebrew#45786.
Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
