Append messages to arbitrary TCP destinations.
tcp_appender(host, port, layout = default_log_layout(),
timeout = getOption("timeout"))Hostname for the socket connection.
Port number for the socket connection.
A layout function taking a level parameter and
additional arguments corresponding to the message.
Timeout for the connection.
appenders for more information on Appenders, and
socketConnection for the underlying connection object
used by tcp_appender.