#3 Appender for DBMS_PIPE

[Mufasa1976]

Create an Appender, which uses DBMS_PIPE to send a formatted Log-Message. The following Parameters should be provided:
PIPE_NAME ... Name of the Pipe
TIMEOUT ... Timeout (in seconds) to Send/Receive
The Appender Package should also provide a Procedure, which returns these both Parameters for a requested Log-Application (to receive sent Messages by a Receiver).

Be aware: just before sending clean out the internal Buffer by calling DBMS_PIPE.reset_buffer (to prevent any other usage of this Pipe).
Also check, if the Value of Parameter PIPE_NAME will be used by any other DBMS_PIPE Appender. If yes, throw an Exception