Description of ECHO
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From Brian Wade, IBM:
This package contains an exec that is an "empty" Rexx/Sockets-based TCP (stream sockets) server program. All of the infrastructure of dealing with Rexx/Sockets is taken care of already, and similarly, all of the work for dealing with the virtual console is already done. All you have to do is add the logic that makes sense for your particular business problem.
The server handles multiple clients simultaneously and lets you type commands on the server console while clients are connected.
To use the server, you just modify procedure 'work_client' at the bottom of the exec to do what you need to do. As shipped, 'work_client' just echoes whatever the clients send. The prologue of 'work_client' tells you all the information you need to make your modifications.
This server requires VM/ESA 2.2.0 or later.
See ECHO PACKAGE in the VMARC file for installation instructions.