-
Notifications
You must be signed in to change notification settings - Fork 4
/
Copy pathLINK2SUP.cbl
169 lines (149 loc) · 6.61 KB
/
LINK2SUP.cbl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
PROCESS NODYNAM,RENT,APOST,CICS,TRUNC(OPT)
*****************************************************************
* Licensed Materials - Property of IBM
*
* SAMPLE
*
* Copyright IBM Corp. 2017 All Rights Reserved
*
* Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with
* IBM Corp.
*
*****************************************************************
*
* Simple CICS terminal program to receive a supplier ID from the
* terminal (if specified, otherwise use Task number), LINK to
* specified Liberty program, and send results to the terminal.
*
* To simplify the code, this program has minimal error-handling
* logic, except on the LINK to Liberty call itself.
*
*****************************************************************
IDENTIFICATION DIVISION.
PROGRAM-ID. LINK2SUP.
DATE-WRITTEN. October 2017.
*
ENVIRONMENT DIVISION.
*
DATA DIVISION.
*
WORKING-STORAGE SECTION.
*
* STOCK-PART copybook
COPY STOKPART REPLACING STOCK-PART BY WS-STOCK-PART.
*
* SUPPLIER copybook
COPY SUPPLIER REPLACING SUPPLIER BY WS-SUPPLIER.
*
* Working storage definitions
01 WS-STORAGE.
03 WS-TERMINAL-INPUT PIC X(80) VALUE SPACES.
03 WS-RECEIVE-LENGTH PIC 9(4) COMP VALUE ZERO.
03 WS-TRANID PIC X(4) VALUE SPACES.
03 WS-TRANID-LEN PIC S9(8) COMP-4 VALUE ZERO.
03 WS-TRANID-POS PIC S9(8) COMP-4 VALUE ZERO.
03 WS-SUPPLIER-TXT PIC 9(8) DISPLAY VALUE ZERO.
03 WS-SUPPLIER-LEN PIC S9(8) COMP-4 VALUE ZERO.
03 WS-SUPPLIER-NO PIC 9(8) COMP-4 VALUE ZERO.
03 LINK-RESP PIC 9(8) COMP VALUE ZERO.
03 LINK-RESP2 PIC 9(8) COMP VALUE ZERO.
* Message to display for normal completion.
* Display Supplier ID and name.
01 RESPONSE-MESSAGE.
03 FILLER PIC X(14) VALUE ' SUPPLIER ID: '.
03 RESP-SUPPLIER-ID PIC 9(8) DISPLAY.
03 FILLER PIC X(16) VALUE ' SUPPLIER NAME: '.
03 RESP-SUPPLIER-NAME PIC X(40).
* Error message to display if Link to Liberty fails.
* Include slots for target PROGRAM, RESP and RESP2.
01 ERROR-MESSAGE.
03 FILLER PIC X(17) VALUE 'ERROR LINKING TO '.
03 ERROR-PROG PIC X(8) DISPLAY.
03 FILLER PIC X(7) VALUE '. RESP:'.
03 ERROR-RESP PIC 9(8) DISPLAY.
03 FILLER PIC X(7) VALUE ' RESP2:'.
03 ERROR-RESP2 PIC 9(8) DISPLAY.
* Names of various CICS constructs
77 LIBERTY-CHANNEL PIC X(16) VALUE 'L2LCHANNEL'.
77 LIBERTY-PROGRAM PIC X(8) VALUE 'GETSUPPI'.
77 CONT-STOCK-PART PIC X(16) VALUE 'STOCK-PART'.
77 CONT-SUPPLIER PIC X(16) VALUE 'SUPPLIER'.
77 CONT-USERID PIC X(16) VALUE 'USERID'.
*
*
PROCEDURE DIVISION USING DFHEIBLK.
*
MAIN-PROCESSING SECTION.
* Receive data from terminal
MOVE LENGTH OF WS-TERMINAL-INPUT TO WS-RECEIVE-LENGTH.
EXEC CICS RECEIVE INTO(WS-TERMINAL-INPUT)
LENGTH(WS-RECEIVE-LENGTH) END-EXEC.
* Fold input to uppercase if not already done by CICS
MOVE FUNCTION UPPER-CASE(WS-TERMINAL-INPUT)
TO WS-TERMINAL-INPUT.
* Perform very basic parsing of terminal input data:
* 1) Find length of tranid in case it's less than 4.
INSPECT EIBTRNID TALLYING WS-TRANID-LEN
FOR CHARACTERS BEFORE INITIAL SPACE.
* 2) Find tranid in terminal input
INSPECT WS-TERMINAL-INPUT(1:WS-RECEIVE-LENGTH)
TALLYING WS-TRANID-POS FOR CHARACTERS
BEFORE INITIAL EIBTRNID(1:WS-TRANID-LEN)
* 3) Find action in remainder of string after tranid
UNSTRING WS-TERMINAL-INPUT(1 + WS-TRANID-POS:
WS-RECEIVE-LENGTH - WS-TRANID-POS)
DELIMITED BY ALL SPACE INTO
WS-TRANID
WS-SUPPLIER-TXT COUNT IN WS-SUPPLIER-LEN
END-UNSTRING.
* This example only needs us to populate the supplier ID
* field. Initialize the structure and store our fake supplier
* in the STOCK-PART structure.
MOVE LOW-VALUES TO WS-STOCK-PART.
* Check if a valid supplier ID was provided, else use
* the CICS task number
IF WS-SUPPLIER-LEN > 0 AND WS-SUPPLIER-LEN < 9 AND
WS-SUPPLIER-TXT NUMERIC THEN
MOVE WS-SUPPLIER-TXT TO WS-SUPPLIER-NO
ELSE
MOVE EIBTASKN TO WS-SUPPLIER-NO
END-IF.
* Update the stock part supplier ID
MOVE WS-SUPPLIER-NO TO SUPPLIER IN WS-STOCK-PART.
* Write the stock part to the correct container.
EXEC CICS PUT CONTAINER(CONT-STOCK-PART)
CHANNEL(LIBERTY-CHANNEL)
FROM(WS-STOCK-PART) END-EXEC.
* Link to Liberty J2EE program passing channel.
EXEC CICS LINK PROGRAM(LIBERTY-PROGRAM)
CHANNEL(LIBERTY-CHANNEL)
RESP(LINK-RESP) RESP2(LINK-RESP2) END-EXEC.
* Perform basic response checking from LINK, report error.
IF LINK-RESP NOT EQUAL DFHRESP(NORMAL) THEN
MOVE LIBERTY-PROGRAM TO ERROR-PROG
MOVE LINK-RESP TO ERROR-RESP
MOVE LINK-RESP2 TO ERROR-RESP2
* Send the response data to the terminal.
EXEC CICS SEND TEXT FROM(ERROR-MESSAGE)
ERASE FREEKB END-EXEC
*
* Return control to CICS (end transaction).
EXEC CICS RETURN END-EXEC
END-IF.
* Normal response from LINK so continue...
* Get Liberty output container from the channel
EXEC CICS GET CONTAINER(CONT-SUPPLIER)
CHANNEL(LIBERTY-CHANNEL)
INTO(WS-SUPPLIER) END-EXEC.
* Copy fields from container structure to output message.
MOVE SUPPLIER-ID IN WS-SUPPLIER TO RESP-SUPPLIER-ID.
MOVE SUPPLIER-NAME IN WS-SUPPLIER TO RESP-SUPPLIER-NAME.
* Send the complete response message to the terminal.
EXEC CICS SEND TEXT FROM(RESPONSE-MESSAGE)
ERASE FREEKB END-EXEC.
*
* Return control to CICS (end transaction).
EXEC CICS RETURN END-EXEC.
*
GOBACK.