SNAX Connection Manager (SNAX/CM) Manual

SNAX/CM Message Structures
SNAX/CM Server
4–2 097842 Tandem Computers Incorporated
Figure 4-1. Sample Server Environment
006
Text Commands
SNAX/XF
Service
Manager
Exchange
SNA
NEWPROCESS
starts RJECIS
Structured message
SNALU interface
SNAX/XF
Line
Handler
SNAX/CM
Server Process
(SXCMSV)
User APPL
Server
Command
Interface
SNAX/CM Message
Structures
Messages from SNAX/CM are sent to the server process in the following structures.
Variable-Length Data
Structure
The VARSTRING structure, used in the server message definitions to follow, is
defined as follows:
STRUCT VARSTRING (*);
BEGIN
INT OFFSET; ! Byte offset to data. It is the offset
! from the outermost structure that the
! varstring is contained in (usually the
! base of the message).
INT LENGTH; ! Byte length of data, 0 = not present.
END; -- struct varstring