Tell main which peer is on the other end of this socket, so main's connection log lines can be
joined to the client's own. Main labels each socket with an incrementing id, which appears
nowhere in the client's logs; the client labels itself with a name it alone knows.
Tell main which peer is on the other end of this socket, so main's connection log lines can be joined to the client's own. Main labels each socket with an incrementing id, which appears nowhere in the client's logs; the client labels itself with a name it alone knows.