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Derivation
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to MDS is peformed by the use of the QACCESS- Monitor. ref. 1.3.30 + 1.3.6, sec.
6.
- Finally an ACK is returned to the CCIS.
ACK/NACK is returned to CCIS by requesting the CPIP to generate and despatch the
corresponding control message. This s performed by sending an AMOS- message with
layout as defined in sec. 3.4.2.2 to CPIP.
FIGURE 3.3.3-3
PROCESS NARRATIVE MESSAGE FLOW…86…1 …02… …02… …02… …02… …02…
3.3.3.5 P̲r̲o̲c̲e̲s̲s̲i̲n̲g̲ ̲o̲f̲ ̲S̲u̲p̲e̲r̲v̲i̲s̲o̲r̲ ̲C̲o̲m̲m̲a̲n̲d̲s̲
Only two commands can be received. They are processed
as follows:
- Open Link Request
The FIKS CCIS Link is going to be opened. Timeut
test upon return of agreement/rejection from CCIS
is started.
- Close Link
The FIKS CCIS Link is going to be closed. The CCIS
̲STATUS in the critical region 'CONFIG' is set to
'CCIS CLOSED' ref. sec. 3.1.1.4. The event is immediately
reportedby of the SEND ̲REPORT- Monitor Procedure
(ref. 1.3.22) with type corresponding to the text
'CCIS CLOSE OK', ref. 3.1.1.4 The change in CCIS
̲STATUS is checkpointed, ref. 3.1.1.4 + 1.3.6, sec.
8.1.4.6
Note: The Link is marked as closed before retun
of ACK from CCIS.
Despatch of the control message to CCIS, that follows
the supervisor commands, is initiated by sending an
AMOS Message to the CPIP - process with content as
defined in sec. 3.4.2.2.
3.3.4 C̲T̲E̲R̲M̲ ̲E̲r̲r̲o̲r̲ ̲L̲o̲c̲a̲t̲i̲o̲n̲s̲
3.3.5 C̲T̲E̲R̲M̲ ̲N̲o̲t̲e̲s̲
S̲t̲o̲r̲a̲g̲e̲ ̲A̲l̲l̲o̲c̲a̲t̲i̲o̲n̲:
The CTERM-process has the following memory claim (approximately)
in words:
Program: 840
Process: 940
P̲e̲r̲f̲o̲r̲m̲a̲n̲c̲e̲ ̲C̲h̲a̲r̲a̲c̲t̲e̲r̲i̲s̲t̲i̲c̲s̲
Th CTERM is very suitable for being executed as 'Background
Task'. The size of program/process is less than required.
Ref. 1.2.28, sec. 3.3.15.
P̲r̲e̲p̲a̲r̲a̲t̲i̲o̲n̲ ̲f̲o̲r̲ ̲D̲e̲l̲i̲v̲e̲r̲y̲:
Do as stated in the file 'INFORMATION' in the last
delivery of CTERM to FIXIB. Ref. 1.3.34.
M̲o̲d̲u̲l̲e̲ ̲G̲e̲n̲e̲r̲a̲t̲i̲o̲n̲:
The CTERM-module is compiled and linked by means of
the AMOS SWELL Compiler and Linker. Ref. 1.3.35/36/37/38.
3.4 C̲C̲I̲S̲ ̲P̲R̲I̲N̲T̲E̲R̲ ̲P̲R̲O̲C̲E̲S̲S̲ ̲(̲C̲P̲I̲P̲)̲
3.4.1 F̲u̲n̲c̲t̲i̲o̲n̲a̲l̲ ̲C̲a̲p̲a̲b̲i̲l̲i̲t̲i̲e̲s̲
The CPIP-Process has the following tasks:
- Despatch all messages from FIKS to CCIS.
- Insert of RELEASE and RERIEVAL time at end of a
Narrative Message.
- On request generate all control messages to CCIS.
- Supervision of ACK/NACK - timeout.
- Link failure supervision
- Monitoring of Keep Alive Traffic.
- Flow control of messages to CCIS.
3.4. I̲n̲t̲e̲r̲f̲a̲c̲e̲ ̲D̲e̲s̲c̲r̲i̲p̲t̲i̲o̲n̲
3.4.2.1 I̲n̲t̲e̲r̲f̲a̲c̲e̲ ̲O̲v̲e̲r̲v̲i̲e̲w̲
FIKS Interface refer to 1.3.6
Refer to fig. 3.4.2.1-1.
S̲y̲s̲t̲e̲m̲ ̲S̲o̲f̲t̲w̲a̲r̲e̲
1. FMS-System via the IO-system
2. Kernel, use of AMOS-Message functions and Critical
Region Procedures.
F̲I̲K̲S̲ ̲A̲p̲l̲i̲c̲a̲t̲i̲o̲n̲s̲
1. FIKS Monitors -
QACCESS, MTCB, LOG-JOURNAL,
SENDREPORT.
2. FIKS Critical Regions -
CONFIG (item CCIS-STATUS)
3. FIKS-Queues -
The CTERM-terminal queues (input queues)
A1- and DT-queue (output queues)
4. FIKS-Modules
