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Oracle® Database Gateway for APPC User's Guide
11g Release 1 (11.1)
Part Number B31285-01
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Contents
List of Figures
List of Tables
Title and Copyright Information
Preface
Intended Audience
Documentation Accessibility
Related Documents
Legacy Compilers
Conventions
Accessing Installed Documentation
Oracle Services and Support
1
Introduction to Oracle Database Gateway for APPC
1.1
Overview of the Gateway
1.2
Features of the Gateway
1.3
Terms
1.4
Examples and Sample Files for the Gateway
1.5
Architecture of the Gateway
1.6
Communication with the Gateway
1.7
RPC Functions
1.7.1
TIP Function
1.7.1.1
Remote Transaction Initiation
1.7.1.2
Data Exchange
1.7.1.3
Remote Transaction Termination
1.8
Overview of a Gateway Using SNA
1.8.1
Transaction Types for a Gateway Using SNA
1.8.2
Simple Gateway Communication with the Oracle Database (SNA)
1.8.2.1
Steps to Communicate Between Gateway and Mainframe Using SNA
1.8.3
Writing TIPs to Generate PL/SQL Programs Using SNA
1.8.3.1
Steps to Writing a TIP on a Gateway Using SNA
1.9
Overview of a Gateway Using TCP/IP
1.9.1
Transaction Types for a Gateway Using TCP/IP
1.9.2
Simple Gateway Communication with the Oracle Database (TCP/IP)
1.9.2.1
Preparing the Gateway to Communicate Using TCP/IP
1.9.2.2
Steps to Communication Between the Gateway and IMS, Using TCP/IP
1.9.3
Writing TIPs to Generate PL/SQL Programs Using TCP/IP
1.9.3.1
Steps to Writing a TIP on a Gateway Using TCP/IP
2
Procedural Gateway Administration Utility
2.1
Overview of PGAU
2.2
COMMIT/ROLLBACK Processing
2.2.1
COMMIT Processing
2.2.2
ROLLBACK Processing
2.3
Invoking PGAU
2.4
Definitions and Generation in PGAU
2.5
Process to Define and Test a TIP
2.5.1
Definition Names
2.5.2
Definition Versioning
2.5.3
Keywords
2.6
PGAU Commands
2.6.1
CONNECT
2.6.2
DEFINE CALL
2.6.3
DEFINE DATA
2.6.4
DEFINE TRANSACTION
2.6.5
DESCRIBE
2.6.6
DISCONNECT
2.6.7
EXECUTE
2.6.8
EXIT
2.6.9
GENERATE
2.6.10
GROUP
2.6.11
HOST
2.6.12
PRINT
2.6.13
REDEFINE DATA
2.6.14
REM
2.6.15
REPORT
2.6.16
SET
2.6.17
SHOW
2.6.18
SPOOL
2.6.19
UNDEFINE CALL
2.6.20
UNDEFINE DATA
2.6.21
UNDEFINE TRANSACTION
2.6.22
VARIABLE
3
Creating a TIP
3.1
Granting Privileges for TIP Creators
3.2
Evaluating the RHT
3.2.1
Identify the Remote Host Transaction
3.2.2
PGAU DEFINE CALL Command
3.2.3
PGAU DEFINE DATA Command
3.2.4
PGAU DEFINE TRANSACTION Command on a Gateway Using SNA
3.2.5
PGAU DEFINE TRANSACTION Command on a Gateway Using TCP/IP
3.2.6
Writing the PGAU Statements
3.2.7
Writing a PGAU Script File
3.3
Defining and Generating the TIP
3.4
Compiling the TIP
3.5
TIP Content Documentation (tipname.doc)
4
Client Application Development (SNA Only)
4.1
Overview of Client Application
4.2
Preparing the Client Application
4.3
Understanding the Remote Host Transaction Requirements
4.3.1
TIP Content and Purpose
4.3.2
Remote Host Transaction Types
4.3.2.1
One-Shot Transactions
4.3.2.2
Persistent Transactions
4.3.2.3
Multi-Conversational Transactions
4.4
Customized TIPs for Each Remote Host Transaction
4.5
Client Application Requirements
4.6
Ensuring TIP and Remote Transaction Program Correspondence
4.6.1
DATA Correspondence
4.6.2
CALL Correspondence
4.6.2.1
Flexible Call Sequence
4.6.2.2
Call Correspondence Order Restrictions
4.6.3
TRANSACTION Correspondence
4.7
Calling the TIP from the Client Application
4.7.1
Declaring TIP Variables
4.7.2
Initializing the Conversation
4.7.2.1
Transaction Instance Parameter
4.7.2.2
Overriding TIP Initializations
4.7.2.3
Security Considerations
4.8
Exchanging Data
4.8.1
Terminating the Conversation
4.8.2
Error Handling
4.8.3
Granting Execute Authority
4.9
Executing the Application
4.10
APPC Conversation Sharing
4.10.1
APPC Conversation Sharing Concepts
4.10.2
APPC Conversation Sharing Usage
4.10.3
APPC Conversation Sharing TIP Compatibility
4.10.4
APPC Conversation Sharing for TIPs That Are Too Large
4.10.5
APPC Conversation Sharing Example
4.10.6
APPC Conversation Sharing Overrides and Diagnostics
4.11
Application Development with Multi-Byte Character Set Support
4.12
Modifying a Terminal-Oriented Transaction to Use APPC
4.13
Privileges Needed to Use TIPs
5
Implementing Commit-Confirm (SNA Only)
5.1
Overview of Commit-Confirm
5.2
Supported OLTPs
5.3
Components Required to Support Commit-Confirm
5.4
Application Design Requirements
5.5
Commit-Confirm Architecture
5.5.1
Components
5.5.2
Interactions
5.6
Commit-Confirm Flow
5.6.1
Commit-Confirm Logic Flow, Step by Step
5.6.2
Gateway Server Commit-Confirm Transaction Log
6
PG4TCPMAP Commands (TCP/IP Only)
6.1
Preparation for Populating the PGA_TCP_IMSC Table
6.2
Overview
6.3
Populating the PGA_TCP_IMSC Table
6.4
Before You Run the pg4tcpmap Tool
6.5
pg4tcpmap Tool Commands
6.5.1
Inserting a Row into the PGA_TCP_IMSC Table
6.5.2
Deleting Rows from the PGA_TCP_IMSC Table
6.5.3
Querying the PGA_TCP_IMSC Table
7
Client Application Development (TCP/IP Only)
7.1
Overview of Client Application
7.2
Preparing the Client Application
7.2.1
TIP Content and Purpose
7.2.2
Remote Host Transaction Types
7.3
Ensuring TIP and Remote Transaction Program Correspondence
7.3.1
DATA Correspondence
7.3.2
CALL Correspondence
7.3.2.1
Flexible Call Sequence
7.3.2.2
Call Correspondence Order Restrictions
7.3.3
TRANSACTION Correspondence
7.4
Calling the TIP from the Client Application
7.4.1
Declaring TIP Variables
7.4.2
Initializing the Conversation
7.4.2.1
Transaction Instance Parameter
7.4.2.2
Overriding TIP Initializations
7.4.2.3
Security Considerations
7.5
Exchanging Data
7.5.1
Terminating the Conversation
7.5.2
Error Handling
7.5.3
Granting Execute Authority
7.6
Calling PG4TCPMAP
7.7
Executing the Application
7.8
Application Development with Multi-Byte Character Set Support
7.9
Privileges Needed to Use TIPs
8
Troubleshooting
8.1
TIP Definition Errors
8.2
Problem Analysis with PG DD Diagnostic References
8.3
Problem Analysis with PG DD Select Scripts
8.4
Data Conversion Errors
8.5
Problem Analysis with TIP Runtime Traces
8.6
TIP Runtime Trace Controls
8.6.1
Generating Runtime Data Conversion Trace and Warning Support
8.6.2
Controlling TIP Runtime Conversion Warnings
8.6.3
Controlling TIP Runtime Function Entry/Exit Tracing
8.6.4
Controlling TIP Runtime Data Conversion Tracing
8.6.5
Controlling TIP Runtime Gateway Exchange Tracing
8.7
Suppressing TIP Warnings and Tracing
8.8
Problem Analysis of Data Conversion and Truncation Errors
8.9
Gateway Server Tracing
8.9.1
Defining the Gateway Trace Destination
8.9.2
Enabling the Gateway Trace
8.9.2.1
Enabling the Gateway Trace Using Initialization Parameters
8.9.2.2
Enabling the Gateway Trace Dynamically from PL/SQL
A
Database Gateway for APPC Data Dictionary
A.1
PG DD Environment Dictionary
A.1.1
Environment Dictionary Sequence Numbers
A.1.2
Environment Dictionary Tables
A.1.2.1
pga_maint
A.1.2.2
pga_environments
A.1.2.3
pga_env_attr
A.1.2.4
pga_env_values
A.1.2.5
pga_compilers
A.1.2.6
pga_datatypes
A.1.2.7
pga_datatype_attr
A.1.2.8
pga_datatype_values
A.1.2.9
pga_usage
A.1.2.10
pga_modes
A.2
PG DD Active Dictionary
A.2.1
Active Dictionary Versioning
A.2.2
Active Dictionary Sequence Numbers
A.2.3
Active Dictionary Tables
A.2.3.1
pga_trans
A.2.3.2
pga_trans_attr
A.2.3.3
pga_trans_values
A.2.3.4
pga_trans_calls
A.2.3.5
pga_call
A.2.3.6
pga_call_parm
A.2.3.7
pga_data
A.2.3.8
pga_fields
A.2.3.9
pga_data_attr
A.2.3.10
pga_data_values
B
Gateway RPC Interface
B.1
Calling Gateway Functions to Execute Transaction Programs
B.1.1
PGAINIT and PGAINIT_SEC
B.1.2
PGAXFER
B.1.3
PGATERM
B.1.4
PGATCTL
B.1.5
PGATRAC
C
The UTL_PG Interface
C.1
UTL_PG Functions
C.1.1
Common Parameters
C.1.1.1
Common Input Parameters
C.1.1.2
Common Output Parameter
C.1.2
RAW_TO_NUMBER
C.1.3
NUMBER_TO_RAW
C.1.4
MAKE_RAW_TO_NUMBER_FORMAT
C.1.5
MAKE_NUMBER_TO_RAW_FORMAT
C.1.6
RAW_TO_NUMBER_FORMAT
C.1.7
NUMBER_TO_RAW_FORMAT
C.1.8
WMSGCNT
C.1.9
WMSG
C.2
NUMBER_TO_RAW and RAW_TO_NUMBER Argument Values
D
Datatype Conversions
D.1
Length Checking
D.1.1
Parameters Over 32K in Length
D.2
Conversion
D.2.1
USAGE(PASS)
D.2.2
USAGE(ASIS)
D.2.3
USAGE(SKIP)
D.2.4
PL/SQL Naming Algorithms
E
Tip Internals
E.1
Background Reading
E.2
PL/SQL Package and TIP File Separation
E.2.1
Independent TIP Body Changes
E.2.1.1
Determine if a Specification Has Remained Valid
E.2.2
Dependent TIP Body or Specification Changes
E.2.2.1
Recompile the TIP Body
E.2.3
Inadvertent Alteration of TIP Specification
F
Administration Utility Samples
F.1
Sample PGAU DEFINE DATA Statements
F.2
Sample PGAU DEFINE CALL Statements
F.3
Sample PGAU DEFINE TRANSACTION Statement
F.4
Sample PGAU GENERATE Statement
F.5
Sample Implicit Versioning Definitions
F.6
Sample PGAU REDEFINE DATA Statements
F.7
Sample PGAU UNDEFINE Statements
Index
