SNAX/APC Application Programming Manual

Contents
SNAX/APC Application Programming Manual—138786
ii
1. Using the Application Program
Interface (continued)
1. Using the Application Program Interface (continued)
TP Conversation States 1-22
Parsing SNAX/APC Reply Messages
1-23
RECEIVE-AND-WAIT Processing
1-23
Changing Send and Receive States
1-25
Data Exchanged Using SNAX/APC
1-26
Basic Conversations
1-27
Buffering Transmitted Data
1-27
GDS Variables and TP Data
1-28
Support of APPC Sync Point Services in SNAX/APC
1-31
General Description of Sync Point Services
1-31
What You Must Do to Use Sync Point With SNAX/APC
1-32
The SNAX/APC Implementation
1-33
Sync Point Session and Conversation Activation
1-34
Presentation Header Support in Data Transfer
1-35
2. Interprocess Communications and Units of Work
IPC Message Structure 2-2
The IPC Header
2-4
IPC Return Codes
2-7
IPC Return Code Details
2-8
Structure of the UOW Headers
2-11
UOW Classes
2-11
UOW Request Headers
2-14
UOW Reply Headers
2-15
UOW Return Codes
2-17
UOW Return Code Details
2-20
3. Verb Definitions
Control Verbs 3-2
ACTIVATE-SESSION Verb
3-2
DEACTIVATE-SESSION Verb
3-4
Single Session
3-4
Parallel Sessions
3-6