206 lines
9.0 KiB
Mathematica
206 lines
9.0 KiB
Mathematica
HLOSRVR ;ALB/CJM- Server for receiving messages - 10/4/94 1pm ;07/19/2007
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;;1.6;HEALTH LEVEL SEVEN;**126,130,131,134,137**;Oct 13, 1995;Build 21
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;Per VHA Directive 2004-038, this routine should not be modified.
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;
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GETWORK(WORK) ;
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;GET WORK function for a single server or a Taskman multi-server
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N LINK
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I '$$CHKSTOP^HLOPROC,$G(WORK("LINK"))]"",$$GETLINK^HLOTLNK(WORK("LINK"),.LINK),+LINK("SERVER") S WORK("PORT")=LINK("PORT") Q 1
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Q 0
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;
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DOWORKS(WORK) ;
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;DO WORK rtn for a single server (non-concurrent)
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D SERVER(WORK("LINK"))
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Q
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DOWORKM(WORK) ;
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;DO WORK rtn for a Taskman multi-server (Cache systems only)
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D LISTEN^%ZISTCPS(WORK("PORT"),"SERVER^HLOSRVR("""_WORK("LINK")_""")")
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Q
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;
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VMS2(LINKNAME) ;called from a VMS TCP Service once a connection request has been received. This entry point should be used only if an additional VMS TCPIP Services are being created for HLO.
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;Input:
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; LINKNAME - only pass it in if an additional service is being created on a different port
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Q:'$L(LINKNAME)
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D VMS
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Q
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;
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VMS ;Called from VMS TCP Service once a connection request has been received. This entry point should be used only by the standard HLO service that runs on the standard HLO port.
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Q:$$CHKSTOP^HLOPROC
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D
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.Q:$L($G(LINKNAME))
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.;
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.N PROC,NODE
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.S PROC=$O(^HLD(779.3,"B","VMS TCP LISTENER",0))
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.I PROC S LINKNAME=$P($G(^HLD(779.3,PROC,0)),"^",14) Q:$L(LINKNAME)
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.S NODE=$G(^HLD(779.1,1,0)) I $P(NODE,"^",10) S LINKNAME=$P($G(^HLCS(870,$P(NODE,"^",10),0)),"^") Q:$L(LINKNAME)
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.S LINKNAME="HLO DEFAULT LISTENER"
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;
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D SERVER(LINKNAME,"SYS$NET")
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Q
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;
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SERVER(LINKNAME,LOGICAL) ; LINKNAME identifies the logical link, which describes the communication channel to be used
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N $ETRAP,$ESTACK S $ETRAP="G ERROR^HLOSRVR1"
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N HLCSTATE,INQUE
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S INQUE=0
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Q:'$$CONNECT(.HLCSTATE,LINKNAME,.LOGICAL)
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K LINKNAME
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F Q:'HLCSTATE("CONNECTED") D Q:$$CHKSTOP^HLOPROC
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.N HLMSTATE,SENT
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.;
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.;read msg and parse the hdr
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.;HLMSTATE("MSA",1) is set with type of ack to return
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.I $$READMSG^HLOSRVR1(.HLCSTATE,.HLMSTATE) D
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..;
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..;send an ack if required and save the MSA segment
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..I (HLMSTATE("MSA",1)]"") S SENT=$$WRITEACK(.HLCSTATE,.HLMSTATE) D:HLMSTATE("IEN") SAVEACK(.HLMSTATE,SENT)
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..D:HLMSTATE("IEN") UPDATE(.HLMSTATE,.HLCSTATE)
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..D:HLCSTATE("COUNTS")>4 SAVECNTS^HLOSTAT(.HLCSTATE)
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..I $G(HLMSTATE("ACK TO","IEN")),$L($G(HLMSTATE("ACK TO","SEQUENCE QUEUE"))) D ADVANCE^HLOQUE(HLMSTATE("ACK TO","SEQUENCE QUEUE"),+HLMSTATE("ACK TO","IEN"))
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.E D INQUE() H:HLCSTATE("CONNECTED") 1
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;
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END D CLOSE^HLOT(.HLCSTATE)
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D INQUE()
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D SAVECNTS^HLOSTAT(.HLCSTATE)
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Q
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;
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CONNECT(HLCSTATE,LINKNAME,LOGICAL) ;
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;sets up HLCSTATE() and opens a server connection
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;
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N LINK,NODE
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S HLCSTATE("CONNECTED")=0
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Q:'$$GETLINK^HLOTLNK(LINKNAME,.LINK) 0
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Q:+LINK("SERVER")'=1 0
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S HLCSTATE("SERVER")=LINK("SERVER")
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M HLCSTATE("LINK")=LINK
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S HLCSTATE("READ TIMEOUT")=20
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S HLCSTATE("OPEN TIMEOUT")=30
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S HLCSTATE("READ")="" ;buffer for reads
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;
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;HLCSTATE("BUFFER",<seg>,<line>) write buffer
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S HLCSTATE("BUFFER","BYTE COUNT")=0 ;count of bytes in buffer
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S HLCSTATE("BUFFER","SEGMENT COUNT")=0 ;count of segments in buffer
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;
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S HLCSTATE("COUNTS")=0
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S HLCSTATE("MESSAGE ENDED")=0 ;end of message flag
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S NODE=^%ZOSF("OS")
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S HLCSTATE("SYSTEM","OS")=$S(NODE["DSM":"DSM",NODE["OpenM":"CACHE",NODE["G.TM":"G.TM",1:"")
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Q:HLCSTATE("SYSTEM","OS")="" 0
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D ;get necessary system parameters
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.N SYS,SUB
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.D SYSPARMS^HLOSITE(.SYS)
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.F SUB="MAXSTRING","DOMAIN","STATION","PROCESSING ID","NORMAL PURGE","ERROR PURGE" S HLCSTATE("SYSTEM",SUB)=SYS(SUB)
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.S HLCSTATE("SYSTEM","BUFFER")=SYS("HL7 BUFFER")
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I HLCSTATE("LINK","LLP")="TCP" D
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.D OPEN^HLOTCP(.HLCSTATE,.LOGICAL)
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E ;no other LLP implemented
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;
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Q HLCSTATE("CONNECTED")
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;
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INQUE(MSGIEN,PARMS) ;
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;puts received messages on the incoming queue and sets the B x-refs
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I $G(MSGIEN) S INQUE=INQUE+1 M INQUE(MSGIEN)=PARMS
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I ('$G(MSGIEN))!(INQUE>20) S MSGIEN=0 D
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.F S MSGIEN=$O(INQUE(MSGIEN)) Q:'MSGIEN D
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..S ^HLB("B",INQUE(MSGIEN,"MSGID"),MSGIEN)=""
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..S ^HLA("B",INQUE(MSGIEN,"DT/TM"),INQUE(MSGIEN,"BODY"))=""
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..D:INQUE(MSGIEN,"PASS")
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...N PURGE
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...S PURGE=+$G(INQUE(MSGIEN,"PURGE"))
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...S PURGE("ACKTOIEN")=$G(INQUE(MSGIEN,"ACKTOIEN"))
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...D INQUE^HLOQUE(INQUE(MSGIEN,"FROM"),INQUE(MSGIEN,"QUEUE"),MSGIEN,INQUE(MSGIEN,"ACTION"),.PURGE)
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.K INQUE S INQUE=0
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Q
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;
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SAVEACK(HLMSTATE,SENT) ;
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;Input:
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; SENT - flag = 1 if transmission of ack succeeded, 0 otherwise
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;
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N NODE,I
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S $P(NODE,"^")=HLMSTATE("MSA","DT/TM OF MESSAGE")
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S $P(NODE,"^",2)=HLMSTATE("MSA","MESSAGE CONTROL ID")
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S $P(NODE,"^",3)="MSA"
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F I=1:1:3 S NODE=NODE_"|"_$G(HLMSTATE("MSA",I))
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S ^HLB(HLMSTATE("IEN"),4)=NODE
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S:SENT $P(^HLB(HLMSTATE("IEN"),0),"^",$S($E(HLMSTATE("MSA",1))="A":18,1:17))=1
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Q
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;
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UPDATE(HLMSTATE,HLCSTATE) ;
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;Updates status and purge date when appropriate
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;Also, sets the "B" xrefs, files 777,778, and places message on the incoming queue
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;
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N PARMS,PURGE,WAIT
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S PARMS("PASS")=0
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I HLMSTATE("STATUS","ACTION")]"",HLMSTATE("STATUS")'="SE" D
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.N IEN
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.S IEN=HLMSTATE("IEN")
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.S PARMS("PASS")=1,$P(^HLB(IEN,0),"^",6)=HLMSTATE("STATUS","QUEUE"),$P(^HLB(IEN,0),"^",10)=$P(HLMSTATE("STATUS","ACTION"),"^"),$P(^HLB(IEN,0),"^",11)=$P(HLMSTATE("STATUS","ACTION"),"^",2)
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D:'PARMS("PASS") ;if not passing to the app, set the purge date
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.I HLMSTATE("STATUS")="" S HLMSTATE("STATUS")="SU"
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.S:HLMSTATE("BATCH") WAIT=HLCSTATE("SYSTEM","ERROR PURGE")
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.S:'HLMSTATE("BATCH") WAIT=$S(($G(HLMSTATE("ACK TO","STATUS"))="ER"):24*HLCSTATE("SYSTEM","ERROR PURGE"),HLMSTATE("STATUS")="ER":24*HLCSTATE("SYSTEM","ERROR PURGE"),1:HLCSTATE("SYSTEM","NORMAL PURGE"))
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.S PURGE=$$FMADD^XLFDT($$NOW^XLFDT,,WAIT)
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.S $P(^HLB(HLMSTATE("IEN"),0),"^",9)=PURGE
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.S ^HLB("AD","IN",PURGE,HLMSTATE("IEN"))=""
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.;if this is an app ack, purge the original message at the same time
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.I $G(HLMSTATE("ACK TO","IEN")),'HLMSTATE("BATCH") D
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..S $P(^HLB(+HLMSTATE("ACK TO","IEN"),0),"^",9)=PURGE
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..S ^HLB("AD","IN",PURGE,+HLMSTATE("ACK TO","IEN"))=""
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;
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;if not waiting for an application ack, set the status now even if passing to the app - but don't set the purge until the infiler passes the message
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I HLMSTATE("STATUS")="",($G(HLMSTATE("ACK TO","IEN"))!HLMSTATE("HDR","APP ACK TYPE")'="AL") S HLMSTATE("STATUS")="SU"
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I HLMSTATE("STATUS")'="" S $P(^HLB(HLMSTATE("IEN"),0),"^",20)=HLMSTATE("STATUS") S:$G(HLMSTATE("MSA",3))]"" $P(^HLB(HLMSTATE("IEN"),0),"^",21)=HLMSTATE("MSA",3) D:HLMSTATE("STATUS")="SE"
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.N APP
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.S APP=HLMSTATE("HDR","RECEIVING APPLICATION") S:APP="" APP="UNKNOWN" S ^HLB("ERRORS",APP,HLMSTATE("DT/TM"),HLMSTATE("IEN"))=""
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.D COUNT^HLOESTAT("IN",$G(HLMSTATE("HDR","RECEIVING APPLICATION")),$G(HLMSTATE("HDR","SENDING APPLICATION")),$S(HLMSTATE("BATCH"):"BATCH",1:$G(HLMSTATE("HDR","MESSAGE TYPE"))),$G(HLMSTATE("HDR","EVENT")))
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;
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;set the necessary parms for passing the msg to the app via the infiler
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D:PARMS("PASS")
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.N I,FROM
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.S FROM=HLMSTATE("HDR","SENDING FACILITY",1)
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.I HLMSTATE("HDR","SENDING FACILITY",2)]"" S FROM=FROM_"~"_HLMSTATE("HDR","SENDING FACILITY",2)_"~"_HLMSTATE("HDR","SENDING FACILITY",3)
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.I FROM="" S FROM="UNKNOWN SENDING FACILITY"
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.S PARMS("FROM")=FROM,PARMS("QUEUE")=HLMSTATE("STATUS","QUEUE"),PARMS("ACTION")=HLMSTATE("STATUS","ACTION")
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.I HLMSTATE("STATUS")'="" S PARMS("PURGE")=$S(HLMSTATE("STATUS")="ER":2,$G(HLMSTATE("ACK TO","STATUS"))="ER":2,1:1)
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.S:$G(HLMSTATE("ACK TO","IEN")) PARMS("ACKTOIEN")=HLMSTATE("ACK TO","IEN") ;to insure that the infiler will know to set the purge date at the same time as the initial message
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;
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S PARMS("BODY")=HLMSTATE("BODY")
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S PARMS("DT/TM")=HLMSTATE("DT/TM")
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S PARMS("MSGID")=HLMSTATE("ID")
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D INQUE(HLMSTATE("IEN"),.PARMS)
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Q
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;
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WRITEACK(HLCSTATE,HLMSTATE) ;
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;Sends an accept ack
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;
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;Input:
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; HLCSTATE (pass by reference) defines the communication channel
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; HLMSTATE (pass by reference) the message being acked
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; ("MSA",1) - value for MSA-1
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; ("MSA",2) - value for MSA-2
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; ("MSA",3) - value for MSA-3
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; ("HDR") - parsed values for the message being ack'd
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;Output:
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; Function returns 1 if successful, 0 otherwise
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; HLMSTATE("MSA","MESSAGE CONTROL ID") - the msg id of the ack
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; HLMSTATE(,"MSA","DT/TM OF MESSAGE") - from the ack header
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;
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N HDR,SUB,FS,CS,MSA,ACKID,TIME
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;Hard-code the delimiters, the standard requires that the receiving system accept the delimiters listed in the header
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S FS="|"
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S CS="^"
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S TIME=$$NOW^XLFDT
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S HLMSTATE("MSA","DT/TM OF MESSAGE")=TIME
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S ACKID=HLCSTATE("SYSTEM","STATION")_" "_$$NEWIEN^HLOF778A("OUT")
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S HLMSTATE("MSA","MESSAGE CONTROL ID")=ACKID
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;
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S HDR(1)="MSH"_FS_"^~\&"_FS_HLMSTATE("HDR","RECEIVING APPLICATION")_FS_HLCSTATE("SYSTEM","STATION")_CS_HLCSTATE("SYSTEM","DOMAIN")_CS_"DNS"_FS
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S HDR(1)=HDR(1)_HLMSTATE("HDR","SENDING APPLICATION")_FS_HLMSTATE("HDR","SENDING FACILITY",1)_CS_HLMSTATE("HDR","SENDING FACILITY",2)_CS_HLMSTATE("HDR","SENDING FACILITY",3)
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;
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S HDR(2)=FS_$$HLDATE^HLFNC(TIME,"TS")_FS_FS_"ACK"_FS_ACKID_FS_HLMSTATE("HDR","PROCESSING ID")_FS_"2.4"_FS_FS_FS_"NE"_FS_"NE"
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;
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S MSA(1)="MSA"_FS
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F SUB=1:1:3 S MSA(1)=MSA(1)_HLMSTATE("MSA",SUB)_FS
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I $$WRITEHDR^HLOT(.HLCSTATE,.HDR),$$WRITESEG^HLOT(.HLCSTATE,.MSA),$$ENDMSG^HLOT(.HLCSTATE) S HLCSTATE("COUNTS","ACKS")=$G(HLCSTATE("COUNTS","ACKS"))+1 Q 1
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S HLMSTATE("MSA","DT/TM OF MESSAGE")=""
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Q 0
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