March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 13. z/VSE connectors 347
The VSE HTTP Client can be used in a CICS application as well as in a batch
application. Since it is implemented in LE/C, it needs to be called from a LE
conforming program or the LE environment must be set up prior to calling the
HTTP Client. In CICS you do not need to take care about that, since CICS does
this for you (EXEC CICS LINK).
The HTTP Client supports HTTP 1.1 with methods GET and POST (refer to RFC
1945 and RFC 2616). Method GET is used to retrieve data from a HTTP server,
for example, a HTML page or even binary content. Method POST is used to
transfer data to the HTTP server and retrieve a response back. POST is typically
used in HTML FORMs when calling CGIs or Servlets.
13.6 Overview of CICS ...
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