| 1 | VDEFCONT ;INTEGIC/AM & BPOIFO/JG - VDEF CONTROL PROGRAM ; 16 Nov 2005  1:08 PM
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| 2 |  ;;1.0;VDEF;**3**;Dec 28, 2004
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| 3 |  ;Per VHA Directive 2004-038, this routine should not be modified.
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| 4 |  ;
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| 5 |  ; IA: 10063 - $$S^%ZTLOAD
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| 6 |  ;     10063 - $$ASKSTOP^%ZTLOAD
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| 7 |  ;
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| 8 |  Q  ; No bozos
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| 9 |  ;
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| 10 | START ; Main entry point for scheduling queue processor jobs at Taskman
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| 11 |  ; Startup time
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| 12 |  I '$D(ZTQUEUED) W !,"Must be run from TaskMan." Q
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| 13 |  ;
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| 14 |  ; Start Request Queue processors
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| 15 |  N QIEN F QIEN=0:0 S QIEN=$O(^VDEFHL7(579.3,QIEN)) Q:'QIEN  D REQ(QIEN)
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| 16 |  ;
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| 17 |  ; Start the checked out request monitor job
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| 18 |  D MONCHKO
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| 19 |  ;
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| 20 |  ; Start the Request Queue processor monitor job
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| 21 |  D START^VDEFMON
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| 22 |  Q
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| 23 |  ;
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| 24 | MONCHKO ; Start the VDEF job to monitor checked out requests
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| 25 |  N ARR,ERR,FDA,ZTDESC,ZTDTH,ZTIO,ZTPRI,ZTRTN,ZTSK
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| 26 |  ;
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| 27 |  ; Check the status of the last VDEF Monitor task.
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| 28 |  D GETS^DIQ(579.5,"1,",".01;.02;.06","I","ARR","ERR")
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| 29 |  ; Don't start a new one if old one is scheduled.
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| 30 |  S ZTSK=+$G(ARR(579.5,"1,",.06,"I")) D STAT^%ZTLOAD
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| 31 |  I ZTSK(1)=1 Q
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| 32 |  ;
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| 33 |  ; Schedule a new task.
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| 34 |  S ZTRTN="MONITOR^VDEFCONT",ZTDESC="VDEF Checked Out Monitor"
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| 35 |  ;
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| 36 |  ; Calculate when to run the VDEF Monitor next time
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| 37 |  S ZTDTH=$$FUTURE^VDEFUTIL($G(ARR(579.5,"1,",.02,"I")))
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| 38 |  S (ZTPRI,ZTIO)=""
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| 39 |  D ^%ZTLOAD
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| 40 |  ;
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| 41 |  ; Check that TaskMan successfully queued up the Monitor task
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| 42 |  I '$G(ZTSK) D ALERT^VDEFUTIL("VDEF CHECKED OUT MONITOR FAILED TO START. CHECK ERROR TRAP.")
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| 43 |  ;
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| 44 |  ; File the task number of the task that has been queued up
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| 45 |  I $G(ZTSK) S FDA(1,579.5,"1,",.06)=ZTSK D FILE^DIE("","FDA(1)","ERR(1)")
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| 46 |  Q
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| 47 |  ;
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| 48 | MONITOR ; VDEF monitor task, executed on a schedule determined by queue
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| 49 |  ; parameter 'CHECK OUT TIME LIMIT'. Checks for potentially hung
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| 50 |  ; 'Checked Out' entries in the Request Queues
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| 51 |  ;
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| 52 |  N QIEN S (ZTSTOP,QIEN)=0
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| 53 |  F  S QIEN=$O(^VDEFHL7(579.3,"C","C",QIEN)) Q:'QIEN  D  Q:ZTSTOP
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| 54 |  . N IEN,LIMIT,QUEUE,QUEUENAM,QUIT
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| 55 |  . ;
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| 56 |  . ; Retrieve queue data
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| 57 |  . D GETS^DIQ(579.3,QIEN_",",".01;.04;.05","I","QUEUE","ERR")
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| 58 |  . S QUEUENAM=$G(QUEUE(579.3,QIEN_",",.01,"I"))
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| 59 |  . ;
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| 60 |  . ; Check-out Time Limit in seconds
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| 61 |  . S LIMIT=$G(QUEUE(579.3,QIEN_",",.05,"I"))
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| 62 |  . ;
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| 63 |  . ; Get a list of currently Checked-out Requests in this queue
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| 64 |  . S IEN=0 F  S IEN=$O(^VDEFHL7(579.3,"C","C",QIEN,IEN)) Q:'IEN  D  Q:ZTSTOP
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| 65 |  .. S ZTSTOP=$$S^%ZTLOAD() Q:ZTSTOP
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| 66 |  .. N CHECKOUT,ENTRY,ERR,FDA
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| 67 |  .. ;
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| 68 |  .. ; Get the related data for the request
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| 69 |  .. D GETS^DIQ(579.31,IEN_","_QIEN_",",".01;.02;.09;.15","I","ENTRY","ERR")
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| 70 |  .. ;
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| 71 |  .. ; Quit if Vista HL7 IRM already notified or if status is not "C"
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| 72 |  .. Q:$G(ENTRY(579.31,IEN_","_QIEN_",",.15,"I"))'=""
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| 73 |  .. Q:$G(ENTRY(579.31,IEN_","_QIEN_",",.02,"I"))'="C"
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| 74 |  .. ;
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| 75 |  .. ; Get the date when the request was checked out and compare with
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| 76 |  .. ; CHECK OUT TIME LIMIT parameter.
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| 77 |  .. S CHECKOUT=$G(ENTRY(579.31,IEN_","_QIEN_",",.09,"I"))
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| 78 |  .. ;
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| 79 |  .. ; If no checkout time, don't create a false alert.
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| 80 |  .. Q:'CHECKOUT
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| 81 |  .. Q:$$DIFF^VDEFUTIL(CHECKOUT,$H)'>LIMIT
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| 82 |  .. ;
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| 83 |  .. ; Request appears hung. Send a message to the Vista HL7 IRM.
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| 84 |  .. D ALERT^VDEFUTIL("RECORD "_IEN_" IN VDEF QUEUE '"_$E(QUEUENAM,1,35)_"' HUNG IN CHECKED OUT STATUS.")
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| 85 |  .. ;
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| 86 |  .. ; Update the time stamp in the entry so that the VDEF Monitor
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| 87 |  .. ; doesn't notify the Vista HL7 IRM more than once.
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| 88 |  .. L +^VDEFHL7(579.3,QIEN,IEN)
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| 89 |  .. D NOW^%DTC S FDA(1,579.31,IEN_","_QIEN_",",.15)=%
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| 90 |  .. D FILE^DIE("","FDA(1)","ERR(1)")
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| 91 |  .. L -^VDEFHL7(579.3,QIEN,IEN)
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| 92 |  .. Q
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| 93 |  ;
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| 94 |  ; Check if TaskMan requested a stop
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| 95 |  I ZTSTOP S X=$$ASKSTOP^%ZTLOAD(ZTSK),ZTREQ="@" Q
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| 96 |  ;
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| 97 | PURGE ; Purge old entries in Request Queues
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| 98 |  S (ZTSTOP,QIEN)=0
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| 99 |  F  S QIEN=$O(^VDEFHL7(579.3,"C","P",QIEN)) Q:'QIEN  D  Q:ZTSTOP
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| 100 |  . N ARCH,IEN,QUEUE,QUIT
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| 101 |  . ; Retrieve queue data
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| 102 |  . D GETS^DIQ(579.3,QIEN_",",".04","I","QUEUE","ERR")
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| 103 |  . ; Retrieve the queue's Archival Parameter (in seconds)
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| 104 |  . S ARCH=$G(QUEUE(579.3,QIEN_",",.04,"I"))
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| 105 |  . ; Initialize the flag that indicates whether the oldest Processed
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| 106 |  . ; entry in a given Request Queue is too recent to be purged
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| 107 |  . S QUIT=0
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| 108 |  . ; Loop through the list of "P"rocesses entries in this Request
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| 109 |  . ; Queue, starting with the oldest
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| 110 |  . F IEN=0:0 S IEN=$O(^VDEFHL7(579.3,"C","P",QIEN,IEN)) Q:'IEN  D  Q:QUIT!ZTSTOP
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| 111 |  .. S ZTSTOP=$$S^%ZTLOAD() Q:ZTSTOP
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| 112 |  .. N DTS,ENTRY,ERR,FDA
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| 113 |  .. ; Get this entry's data
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| 114 |  .. D GETS^DIQ(579.31,IEN_","_QIEN_",",".13","I","ENTRY","ERR")
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| 115 |  .. I $D(ERR) ; Add error processing here
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| 116 |  .. ; Retrieve the DTS when the Request was "P"rocessed
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| 117 |  .. S DTS=$G(ENTRY(579.31,IEN_","_QIEN_",",.13,"I"))
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| 118 |  .. ; Calculate how long it has been since this Request was "P"rocessed
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| 119 |  .. ; and, if the Request is more recent than the Archival Parameter
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| 120 |  .. ; for this Queue, set the "Quit" flag and stop processing the Queue
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| 121 |  .. I $$DIFF^VDEFUTIL(DTS,$H)<ARCH S QUIT=1 Q
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| 122 |  .. ; If we are here, then the entry is older than allowed by the
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| 123 |  .. ; Archival Parameter - purge this entry from the Request Queue
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| 124 |  .. S FDA(1,579.31,IEN_","_QIEN_",",.01)="@"
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| 125 |  .. D FILE^DIE("","FDA(1)","ERR(1)")
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| 126 |  ;
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| 127 |  ; Stop if TaskMan requested
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| 128 |  I ZTSTOP S X=$$ASKSTOP^%ZTLOAD(ZTSK),ZTREQ="@" Q
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| 129 |  ;
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| 130 |  ; Reschedule VDEF checked out monitor
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| 131 |  D MONCHKO
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| 132 |  S ZTREQ="@"
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| 133 |  Q
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| 134 |  ;
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| 135 | REQ(QIEN) ; Start a Request Queue Processor task for a single queue
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| 136 |  ; Try locking the Request Queue - if we fail, then there is 
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| 137 |  ; another Request Processor currently holding the lock, so skip it
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| 138 |  L +^VDEFHL7(579.3,"QUEUE",QIEN):3 Q:'$T
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| 139 |  N ERR,FDA,QNAME,QUEUE,ZTDESC,ZTDTH,ZTIO,ZTPRI,ZTRTN,ZTSAVE,ZTSK
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| 140 |  ; Retrieve queue data
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| 141 |  D GETS^DIQ(579.3,QIEN_",",".01;.02;.07;.08;.09","I","QUEUE","ERR")
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| 142 |  ; If this Request Queue is suspended, quit
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| 143 |  I $G(QUEUE(579.3,QIEN_",",.09,"I"))="S" G REQX
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| 144 |  ; TaskMan task number of the last Request Processor task for this queue
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| 145 |  S ZTSK=+$G(QUEUE(579.3,QIEN_",",.08,"I"))
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| 146 |  ; Check the status of the last Request Processor task
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| 147 |  D STAT^%ZTLOAD
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| 148 |  ; If the task is scheduled to run, then don't submit a new one - this
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| 149 |  ; means that the system is coming back after a restart which occurred
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| 150 |  ; while an old Request Processor task was scheduled for running
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| 151 |  I ZTSK(1)=1 G REQX
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| 152 |  ;
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| 153 |  ; Create TaskMan variables
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| 154 |  S ZTRTN="EN^VDEFREQ",(ZTIO,ZTPRI)=""
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| 155 |  S QNAME=$G(QUEUE(579.3,QIEN_",",.01,"I"))
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| 156 |  S ZTDESC="VDEF Request Processor for "_QNAME
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| 157 |  S ZTSAVE("QIEN")=QIEN,ZTDTH=$H
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| 158 |  D ^%ZTLOAD
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| 159 |  ; Check that TaskMan created the task.
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| 160 |  I '$G(ZTSK) D ALERT^VDEFUTIL("VDEF REQUEST PROCESS "_$E(QNAME,1,20)_" FAILED TO START. CHECK ERROR TRAP.")
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| 161 |  ; File the task number of the task that has been queued up
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| 162 |  I $G(ZTSK) D
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| 163 |  . S FDA(1,579.3,QIEN_",",.08)=ZTSK
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| 164 |  . D FILE^DIE("","FDA(1)","ERR(1)")
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| 165 | REQX L -^VDEFHL7(579.3,"QUEUE",QIEN)
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| 166 |  Q
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