Add logger roscpp_internal.connections. #980
Merged
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We need more connection leve diagnostics in our logs but turning
on DEBUG for roscpp_internal generates a flood of information. We
only need visibility into when tcpros connections are created/dropped
for publishers and subscribers. The rospy nodes currently do this
but the roscpp ones do not.
A DEBUG macro for logging messages to the named logger
roscpp_internal.connections has been added. This will
allow it to inherit the roscpp_internal log level or be
turned on separately to just get connection-related messages.