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⟦837d0d9ea⟧ Wang Wps File
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Names: »~ORPHAN74.00«
Derivation
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WangText
…10……00……00……00……00…J…02……00……00…J
J…06…I…09…I…0d…I…0e…I…00…I…01…I…05…I…07……1d……86…1 …02… …02… …02…
…02…CPS/SDS/038
…02…JHH/820514…02……02…
MSO VDU
DETAILED DESIGN SPECIFICATION…02……02…CAMPS
4.2.4.2 Software tructure .................
4.2.4.3 Data Flow and Control Logic ........
4.2.4.3.1 Data Flow .....................
4.2.4.3.2 Control Logic ..................
4.2.4.7 Subpackage Interfaces ..............
4.2.4.7.1 RETR UMAM Interfaces ...........
4.2.4.7.2 RETR UFCO Interfaces ...........
…86…1 …02… …02… …02… …02…
4.2.4 R̲e̲t̲r̲i̲e̲v̲e̲ ̲S̲u̲b̲p̲a̲c̲k̲a̲g̲e̲
The Message Service Retrieve Subpackage (RETR) is responsible
for reception and treatment of retrieval answer from
SAR.
4.2.4.1 F̲u̲n̲c̲t̲i̲o̲n̲a̲l̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲n̲
The functions included in this subpackage are the following:
- reception of off-line/on-line notification
- reception of retrieved items
- reception of error notification
The functional breakdown is shown in figure 4.2.4.1-1.
Retrieve items and off-line/on-line notifications are
received from SAR in the retrieve queue. After analysis,
the received item is sent to the destination…86…1
…02… …02… …02… …02… …02…
4.2.4.2 S̲o̲f̲t̲w̲a̲r̲e̲ ̲S̲t̲r̲u̲c̲t̲u̲r̲e̲
The retrieve subpackage consists of one coroutine.
The software structure of SETR is shown in figure 4.2.4.2-1.
SETR will wait on reception of a QE in the Retrieve
Queue. The QEL will identify one of the following events:
- on-line/off-line notification
- on-line retrieval
- off-line retrieval
Each of the events will constitute a main function.
A brief description of each function is givn below:
a) On-line/off-line notification.
The received item is sent to SEFCO.
b) On-line Retrieval:
The received item is sent to SEFCO.
c) Off-line Retrieval:
The received item is sent to the Response Queue.
d) Retrieval ̲Error ̲Noification.
The received item is sent to SEFCO
figure 4.2.4.2-1
4.2.4.3 D̲a̲t̲a̲ ̲F̲l̲o̲w̲ ̲a̲n̲d̲ ̲C̲o̲n̲t̲r̲o̲l̲ ̲L̲o̲g̲i̲c̲
4.2.4.3.1 D̲a̲t̲a̲ ̲F̲l̲o̲w̲
The HIPO diagram overleaf show the data flow of SETR.
Refer fig. 4.2.4.3-1 to 3
4.2.4.3.2 C̲o̲n̲t̲r̲o̲l̲ ̲L̲o̲g̲i̲c̲
The controllogic of SETR is contained in one module.…86…1
…02… …02… …02… …02…
Tre hippoer…86…1…02… …02… …02… …02… …02… …02… …02… …02… …02… …02… …02… …02…
4.2.4.4 M̲o̲d̲u̲l̲e̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲o̲n̲
4.2.4.4.1 S̲E̲T̲R̲ ̲M̲A̲I̲N̲ ̲M̲o̲d̲u̲l̲e̲
4.2.4.4.1.1 F̲u̲n̲c̲t̲i̲o̲n̲a̲l̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲o̲n̲
The purpoe of this module is to receive input from
the retrieve queue (MSOS ̲ARR, subqueue 3) and to analyse
the received QEL-attributes (maintype,subtype)
4.2.4.4.1.2 M̲o̲d̲u̲l̲e̲ ̲I̲n̲t̲e̲r̲f̲a̲c̲e̲
C̲a̲l̲l̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲o̲n̲
a) SETR ̲MAIN
b) SETR ̲MAIN (R6)
R̲e̲g̲i̲s̲t̲e̲r̲ ̲C̲o̲n̲v̲n̲t̲i̲o̲n̲
C̲a̲l̲l̲ ̲R̲e̲g̲i̲s̲t̲e̲r̲
R6 Link (dest)
R̲e̲t̲u̲r̲n̲ ̲R̲e̲g̲i̲s̲t̲e̲r̲
None
R0-R7 Destroyed
The procedure is a submodule which is only called by
the Coroutine Monitor.
4.2.4.4.1.3 M̲o̲d̲u̲l̲e̲ ̲C̲o̲m̲p̲o̲n̲e̲n̲t̲s̲
4.2.4.4.1.3.1 O̲F̲F̲L̲I̲N̲E̲ ̲S̲E̲T̲R̲ ̲H̲A̲N̲D̲L̲I̲N̲G̲
sends off-line retrieved messages to response queue.
4.2.4.4.1.3.2 O̲F̲F̲L̲I̲N̲E̲ ̲S̲Y̲S̲C̲A̲T̲ ̲H̲A̲N̲D̲L̲I̲N̲G̲
sends off-line retrieved system catalogues to response
queue.
4.2.4.4.1.3.3 O̲F̲F̲L̲I̲N̲E̲ ̲T̲R̲A̲N̲S̲C̲A̲T̲ ̲H̲A̲N̲D̲L̲I̲N̲G̲
sends off-line retrived transmssion catalogues
to response queue.
4.2.4.4.1.4 D̲a̲t̲a̲ ̲D̲e̲s̲c̲r̲i̲p̲t̲i̲o̲n̲
a) D̲a̲t̲a̲ ̲R̲e̲f̲e̲r̲e̲n̲c̲e̲s̲
QELEMENT ̲MAIN ̲TYPE ref. CPS/DBD/001
ACK ̲SUBTYPE ref. CPS/DBD/001
TRANS ̲CAT ̲SUBTYPE ref. CPS/DBD/001
MESSAGE ̲SUBTYPE ref.
