| 1 | MAGDHRS1 ;WOIFO/PMK - Read HL7 and generate DICOM ; 08/20/2004  08:27
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| 2 |  ;;3.0;IMAGING;**11,30**;16-September-2004
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| 3 |  ;; +---------------------------------------------------------------+
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| 4 |  ;; | Property of the US Government.                                |
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| 5 |  ;; | No permission to copy or redistribute this software is given. |
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| 6 |  ;; | Use of unreleased versions of this software requires the user |
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| 7 |  ;; | to execute a written test agreement with the VistA Imaging    |
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| 8 |  ;; | Development Office of the Department of Veterans Affairs,     |
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| 9 |  ;; | telephone (301) 734-0100.                                     |
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| 10 |  ;; |                                                               |
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| 11 |  ;; | The Food and Drug Administration classifies this software as  |
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| 12 |  ;; | a medical device.  As such, it may not be changed in any way. |
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| 13 |  ;; | Modifications to this software may result in an adulterated   |
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| 14 |  ;; | medical device under 21CFR820, the use of which is considered |
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| 15 |  ;; | to be a violation of US Federal Statutes.                     |
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| 16 |  ;; +---------------------------------------------------------------+
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| 17 |  ;;
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| 18 |  Q
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| 19 |  ; M-to-M Broker Server
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| 20 |  ;
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| 21 | ENTRY(RESULT,REQUEST) ; RPC = MAG DICOM TEXT PROCESSING
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| 22 |  N HIT ;------ indicates that the requested HL7 message exists
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| 23 |  N HL7MSGNO ;- number of HL7 message
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| 24 |  N ITIMEOUT ;- second counter incremented up to TIMEOUT
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| 25 |  N SEGCOUNT ;- count of segments in the HL7 message
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| 26 |  N TIMEOUT ;-- number of seconds to wait before returning void
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| 27 |  N WAIT ;----- number of seconds to wait for an HL7 message
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| 28 |  N I,J,X,Y,Z ;---- working variables
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| 29 |  ;
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| 30 |  K RESULT
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| 31 |  ;
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| 32 |  S WAIT=200 ; Time-out period for incomplete message
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| 33 |  ; (30 seconds was not enough in Amarillo)
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| 34 |  ;
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| 35 |  S HL7MSGNO=+$P(REQUEST(2),"|",1),TIMEOUT=$P(REQUEST(2),"|",2)
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| 36 |  D:'$D(^MAGDHL7(2006.5,HL7MSGNO))
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| 37 |  . S I=$O(^MAGDHL7(2006.5,HL7MSGNO)) Q:'I
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| 38 |  . S HL7MSGNO=I
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| 39 |  . Q
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| 40 |  ;
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| 41 |  ; wait for HL7 message to be generated
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| 42 |  S HIT=0 F  D  Q:HIT  S TIMEOUT=TIMEOUT-1 Q:TIMEOUT<0  H 1
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| 43 |  . I $D(^MAGDHL7(2006.5,HL7MSGNO)) S HIT=1
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| 44 |  . Q
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| 45 |  ;
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| 46 |  I HIT D
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| 47 |  . I $$WAIT(0,WAIT) Q
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| 48 |  . S SEGCOUNT=$P(^MAGDHL7(2006.5,HL7MSGNO,1,0),"^",3)
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| 49 |  . S RESULT(1)=HL7MSGNO
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| 50 |  . S RESULT(2)=^MAGDHL7(2006.5,HL7MSGNO,0)
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| 51 |  . S RESULT(3)=^MAGDHL7(2006.5,HL7MSGNO,1,0)
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| 52 |  . F I=1:1:SEGCOUNT D
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| 53 |  . . I $$WAIT(I,WAIT) S I=999999 Q
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| 54 |  . . S (X,Y)=^MAGDHL7(2006.5,HL7MSGNO,1,I,0)
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| 55 |  . . D:$TR($T(+2^XWBVLL),",","*")'["*34*"
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| 56 |  . . . N E,J
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| 57 |  . . . S Y="" F J=1:1:$L(X) S E=$E(X,J),Y=Y_$S(E="<":"<",E=">":">",E="&":"&",E="""":""",1:E)
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| 58 |  . . . Q
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| 59 |  . . S RESULT(I+3)=Y
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| 60 |  . . Q
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| 61 |  . Q
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| 62 |  E  S RESULT(1)=""
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| 63 |  Q
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| 64 |  ;
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| 65 | WAIT(I,WAIT) ; wait for node to be written
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| 66 |  N JTIMEOUT
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| 67 |  F JTIMEOUT=1:1:WAIT Q:$D(^MAGDHL7(2006.5,HL7MSGNO,1,I))  H 1
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| 68 |  I JTIMEOUT=WAIT D  Q 1
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| 69 |  . ; an error occurred during the waiting
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| 70 |  . K RESULT
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| 71 |  . S RESULT(1)="-1 ^MAGDHL7(2006.5,"_HL7MSGNO_","_I_",...) is incomplete"
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| 72 |  . Q
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| 73 |  Q 0
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