SNAX/APC Application Programming Manual

SNAX/APC Application Programming Manual—138786
1-1
1
Using the Application Program Interface
This section will tell you what you need to be aware of to get the most from
SNAX/APC. This includes decisions that you need to make, and also decisions that
affect you but have been possibly made by other members of staff, such as the network
planners, at your site.
This section contains the following topics:
•
The first subsection, General Programming Considerations, describes general
considerations for writing programs. This includes choice of language, data
definitions, choice of conversation (mapped or basic), error handling, and fault-
tolerant programming.
•
The second subsection, Establishing Communication With the Local LU, describes
the steps that TP programmers must take to establish conversations. This subsection
is essentially a “User Guide” for application programmers.
•
The third subsection, TP Conversation States, describes how TPs change states: for
example, from Send to Receive It also shows you how to handle RECEIVE-AND-
WAIT processing.
•
The fourth subsection, Data Exchanged Using SNAX/APC, provides details for
programmers who choose to use basic conversations for application programming.
•
The final subsection, Support of APPC Sync Point Services in SNAX/APC, provides
details for programmers who choose to use sync point for application programming.