gistfile1.txt

SUBROUTINE ZX.DATA.PROCESSOR
* Main routine to process data across multiple zones using PHANTOMs

COMMON /PHANTOM.INFO/ PHANTOM.PIDs

* Initialize variables
ZONES = 'ALPHA':@AM:'BETA':@AM:'GAMMA':@AM:'DELTA':@AM:'EPSILON'
NUM.ZONES = DCOUNT(ZONES, @AM)
PHANTOM.PIDs = ''

* Open necessary files
OPEN 'ZX.CONTROL' TO ZX.CONTROL ELSE STOP 201, 'CANNOT OPEN ZX.CONTROL'
OPEN 'ZX.LOG' TO ZX.LOG ELSE STOP 201, 'CANNOT OPEN ZX.LOG'

* Step 1: Identify data chunks for processing
PRINT "Identifying data chunks..."
CALL ZX.IDENTIFY.CHUNKS(CHUNK.LIST)

* Step 2: Process chunks using PHANTOMs
PRINT "Processing data chunks..."
CHUNK.SIZE = 100  * Adjust based on system capacity
TOTAL.CHUNKS = DCOUNT(CHUNK.LIST, @AM)
NUM.BATCHES = CEILING(TOTAL.CHUNKS / CHUNK.SIZE)

FOR BATCH = 1 TO NUM.BATCHES
    START.IDX = (BATCH - 1) * CHUNK.SIZE + 1
    END.IDX = MIN(BATCH * CHUNK.SIZE, TOTAL.CHUNKS)
    BATCH.CHUNKS = CHUNK.LIST<START.IDX, END.IDX>
    
    * Launch PHANTOM for each zone
    FOR Z = 1 TO NUM.ZONES
        ZONE = ZONES<Z>
        PHANTOM.CMD = "PHANTOM ZX.PROCESS.ZONE '" : ZONE : "' '" : BATCH.CHUNKS : "' " : BATCH
        EXECUTE PHANTOM.CMD CAPTURING PID
        PHANTOM.PIDs<-1> = TRIM(PID)
    NEXT Z
    
    * Wait for all PHANTOMs in this batch to complete
    CALL ZX.WAIT.FOR.PHANTOMS(NUM.ZONES)
    PHANTOM.PIDs = ''  * Reset for next batch
NEXT BATCH

* Step 3: Consolidate results
PRINT "Consolidating results..."
CALL ZX.CONSOLIDATE.RESULTS

* Step 4: Cleanup
PRINT "Performing cleanup..."
CALL ZX.CLEANUP

PRINT "ZX Data Processing completed successfully."
RETURN

* ----------------------
SUBROUTINE ZX.WAIT.FOR.PHANTOMS(NUM.PHANTOMS)
* Wait for all launched PHANTOM processes to complete

COMMON /PHANTOM.INFO/ PHANTOM.PIDs

ALL.COMPLETE = 0
SLEEP.INTERVAL = 3  * Seconds to wait between checks

LOOP
    ACTIVE.PHANTOMS = 0
    
    FOR I = 1 TO NUM.PHANTOMS
        PID = PHANTOM.PIDs<I>
        IF PID # '' THEN
            EXECUTE 'WHO ' : PID CAPTURING OUTPUT
            IF SYSTEM(43) = -1 THEN
                PHANTOM.PIDs<I> = ''
            END ELSE
                ACTIVE.PHANTOMS += 1
            END
        END
    NEXT I
    
    IF ACTIVE.PHANTOMS = 0 THEN
        ALL.COMPLETE = 1
        EXIT
    END
    
    SLEEP SLEEP.INTERVAL
REPEAT UNTIL ALL.COMPLETE

RETURN

* ----------------------
SUBROUTINE ZX.IDENTIFY.CHUNKS(CHUNK.LIST)
* Identify data chunks for processing

CHUNK.LIST = ''
SELECT ZX.CONTROL
LOOP
    READNEXT ID ELSE EXIT
    READ REC FROM ZX.CONTROL, ID THEN
        IF REC<1> = 'PENDING' THEN
            CHUNK.LIST<-1> = ID
        END
    END
REPEAT

RETURN

* ----------------------
SUBROUTINE ZX.PROCESS.ZONE(ZONE, CHUNK.LIST, BATCH)
* Process data chunks for a specific zone

OPEN 'ZX.DATA' TO ZX.DATA ELSE STOP 201, 'CANNOT OPEN ZX.DATA'
OPEN 'ZX.RESULTS' TO ZX.RESULTS ELSE STOP 201, 'CANNOT OPEN ZX.RESULTS'

CONVERT @AM TO @FM IN CHUNK.LIST
LOOP
    REMOVE CHUNK.ID FROM CHUNK.LIST SETTING DELIM
    READ DATA.REC FROM ZX.DATA, CHUNK.ID THEN
        PROCESSED.DATA = ZONE : '*' : DATA.REC  * Simulate processing
        WRITE PROCESSED.DATA ON ZX.RESULTS, ZONE : '.' : CHUNK.ID
    END
WHILE DELIM DO REPEAT

* Log completion
CURRENT.TIME = TIME()
LOG.ENTRY = ZONE : ' completed batch ' : BATCH : ' at ' : CURRENT.TIME
WRITE LOG.ENTRY ON ZX.LOG, CURRENT.TIME : '.' : ZONE

RETURN

* ----------------------
SUBROUTINE ZX.CONSOLIDATE.RESULTS
* Consolidate processed results

SELECT ZX.RESULTS
LOOP
    READNEXT ID ELSE EXIT
    READ REC FROM ZX.RESULTS, ID THEN
        * Perform consolidation logic here
        * For this example, we'll just count the processed items
        TOTAL.PROCESSED += 1
    END
REPEAT

PRINT "Total processed items: " : TOTAL.PROCESSED

RETURN

* ----------------------
SUBROUTINE ZX.CLEANUP
* Perform cleanup operations

* Remove processed chunks from control file
SELECT ZX.CONTROL
LOOP
    READNEXT ID ELSE EXIT
    READ REC FROM ZX.CONTROL, ID THEN
        IF REC<1> = 'PENDING' THEN
            DELETE ZX.CONTROL, ID
        END
    END
REPEAT

* Additional cleanup logic can be added here

RETURN

END