UC01 Introduction to CGIs on z/OS UNIX

Introduction to CGIs on z/OS - Topical Outline

Introduction

The Web - Basic Concepts Review

CGI Overview

HTTP Servers on z/OS

HTML 5 - Selected Topics

Review from Introduction to to z/OS UNIX

Additional tags: <H1> - <H6>, <BR>, <DIV>

Useful attributes

Events and event handlers

Introduction to JavaScript

Forms and INPUT Controls

Introduction to Forms and Controls

The FORM Element

The INPUT Element

Successful controls

Submit processing

Accessing Programs Without Forms

Building a Response

Responses

Response Headers

Writing to stdout

Sample CGIs: C, COBOL, Assembler, PL/I, REXX, Shell Script

GET Processing

The GET environment

Parsing the QUERY_STRING

POST Processing

The POST environment

Determine the size of data (CONTENT_LENGTH)

Determine the boundary string (CONTENT_TYPE)

Determining the server being used (SERVER_SOFTWARE)

Accessing the Input Data

Analyzing the Data

Error Handling, Testing, and Debugging CGIs

Error Handling

Testing

Debugging