Using the TSO/E REXX TCP/IP Socket API

This session is intended to show you how to use the TSO/E REXX TCP/IP Socket() Application Programming Interface. Some familiarity with JCL, REXX, and TCP/IP are advantageous to coding complex client and server applications. A simple client application, Whois, is used for demonstration purposes. This application queries a registrar's whois server and receives the information the server is willing to return.

A cursory overview of TSO/E, REXX, and TCP/IP should whet your appetite to review how you develop ad-hoc programs. It should also lay down just enough of a foundation that when you download the full open-source program code and try it on your system, you will understand what is happening.

REXX is the way to go for prototyping logic flows, performing simple ad-hoc client applications, and just experimenting with Socket programming. For more complex server and client applications, you may need to code in a "compiled" language.

Presented at	Presenter	Downloads

SHARE 100 Dallas, TX Feb 23 - 28, 2003	Kenneth Tomiak	PDF Foils (996K) PDF Handout (46K) rexxwhoo.jcl (1K) rexxwhoo.rex (30K)	ZIP Foils (613K) ZIP Handout (37K) Code ZIP (20K)	What's changed

SHARE 99 San Francisco, CA Aug 18 - 23, 2002	Kenneth Tomiak	PDF Foils (963K) PDF Handout (51K) rexxwhoo.jcl (1K) rexxwhoo.rex (30K)	ZIP Foils (592K) ZIP Handout (35K) Code ZIP (6K)

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