ACC Utilities Reference Guide

30 Chapter2
TTGEN-ZCOMSystemTableGenerator
Introduction
Introduction
TheprogramTTGENcreatesthefileusedtoinitializeandstartupthe
run-time ZCOM sub-system. TTGEN reads an ascii configuration file
that contains the d etails of the network structure and generates a b inary
memory image file to be used by ZMON. The file structure is detailed
under “Tables and Data Structures” in the Multiprotocol ACC
Programmer’s Reference Guide. ZMON reads the memory image file and
sets up pointers for the ZCOM drivers, indicating where the tables lie in
memory. ZMON also initializes all the buffers.
The memory image file consists of:
and ZCOM adds
The following discussion of these areas is intended only as an overview
and is not comprehensive. For more detailed information, see the s ection
“Tables and Data Structures,” in the Multiprotocol ACC Programmer’s
Reference Guide.
ZCOM System Hearder
Node Entries
ZLU Tables
Logical Terminal Tables
Physical Terminal Tables
Interface Tables
Response Records
Queues
Buffer Pool