*************************************************************************
**
** Source File Name = dbsnap.cbl 1.5
**
** Licensed Materials - Property of IBM
**
** (C) COPYRIGHT International Business Machines Corp. 1995, 1999
** All Rights Reserved.
**
** US Government Users Restricted Rights - Use, duplication or
** disclosure restricted by GSA ADP Schedule Contract with
**
** PURPOSE :
** to demonstrate the use of the DATABASE MONITOR SNAPSHOT API.
**
** APIs USED :
** DATABASE MONITOR SNAPSHOT sqlgmnss()
** ESTIMATE SIZE REQUIRED FOR
** sqlgmnss() OUTPUT BUFFER sqlgmnsz()
**
**
** For more information about these samples see the README file.
**
** For more information on programming in COBOL, see the:
** - "Programming in COBOL" section of the Application Development Guide.
**
** For more information on Building COBOL Applications, see the:
** - "Building COBOL Applications" section of the Application Building Guide.
**
** For more information on the SQL language see the SQL Reference.
**
*************************************************************************
Identification Division.
Program-Id. "dbsnap".
Data Division.
Working-Storage Section.
copy "sqlca.cbl".
copy "sqlmonct.cbl".
copy "sqlmon.cbl".
* Variables for catalog/uncatalog nodes
* Local Variables
77 rc pic s9(9) comp-5.
77 errloc pic x(80).
77 rezerv1 pic 9(9) comp-5 value 0.
77 rezerv2 pic 9(9) comp-5 value 0.
77 current-version pic 9(9) comp-5 value 0.
* DATABASE SYSTEM MONITOR SNAPSHOT
01 database.
05 database-length pic s9(4) comp-5.
05 database-name pic x(80).
01 buff.
05 buffer-sz pic 9(9) comp-5 value 0.
05 buffer occurs 0 to 100000 times
depending on buffer-sz.
10 element pic x.
Procedure Division.
snap-pgm section.
display "Sample COBOL Program : dbsnap.cbl".
* get database to perform snapshot on
display "Take a snapshot of database activity".
display "Enter the name of the database : " with no advancing.
accept database-name.
inspect database-name tallying database-length for characters
before initial " ".
inspect database-name replacing first " " by X'00'.
display " ".
perform db-snap thru end-db-snap.
end-snap. stop run.
db-snap Section.
******************************************************
* perform a snapshot of lock activity for a database *
******************************************************
* request SQLMA-DBASE, and SQLMA-DBASE-LOCKS in the sqlma
move 2 to OBJ-NUM of SQLMA.
move SQLMA-DBASE to OBJ-TYPE(1).
move database-name to SQLMA-OBJECT(1).
move SQLMA-DBASE-LOCKS to OBJ-TYPE(2).
move database-name to SQLMA-OBJECT(2).
move SQLM-CURRENT-VERSION to current-version.
display "estimate buffer size".
* estimate buffer size do I need this??
call "sqlgmnsz" using
by value rezerv1
by reference sqlca
by reference buffer-sz
by reference SQLMA
by reference rezerv2
by value current-version
returning rc.
move "estimate buffer size" to errloc.
call "checkerr" using SQLCA errloc.
display "take a snapshot".
***********************
* SNAPSHOT API called *
***********************
call "sqlgmnss" using
by value rezerv1
by reference sqlca
by reference SQLM-COLLECTED
by reference buffer(1)
by value buffer-sz
by reference SQLMA
by reference rezerv2
by value current-version
returning rc.
move "SNAPSHOT" to errloc.
call "checkerr" using SQLCA errloc.
end-db-snap. exit.