Routine: HLCSDL

HLCSDL ;ALB/MTC/SF/JC - INITIALIZE VARIABLES AND OPEN DEVICE X3.28 ;08/23/99  13:35

 ;;1.6;HEALTH LEVEL SEVEN;**2,44,49,57**;Oct 13, 1995

EN ;-- entry point for X3.28 protocol

 ;-- error trap (keepalive for disconnects)

 I ^%ZOSF("OS")["DSM" N $ETRAP S $ET=""

 S X="ERROR^HLCSDL",@^%ZOSF("TRAP")

EN1 ;-- check device init

 ;-- if device error and still running, try again

 I $$INIT,$$RUN^HLCSDL2 D EXIT2 H 5 G EN1

 ;-- setup X3.28 parameters

 I $$XSETUP G ENQ

 ;-- file start stats

 D FILE

 ;-- start LLP

 D START^HLCSDL1

 ;-- file end stats

 D END

 ;-- exit

ENQ D EXIT

INIT() ;-- check for device, open

 ;   This fucntion will return a 1 if it fails else 0

 N RESULT

 S RESULT=0

 I '$D(HLDP)&($G(%)'="") S HLDP=% ;LAUNCHED FROM VMS

 I '$D(HLDP) S RESULT=1 G INITQ

 D DT^DICRW

 I HLDP'>0 S HLDP=$O(^HLCS(870,"B",HLDP,""))

 I HLDP'>0 S RESULT=1 G INITQ

 ;HLDP IEN of LOGICAL LINK file #870

 S HLPARM=$G(^HLCS(870,HLDP,300))

 ;pointer to DEVICE file

 S HLDEVPTR=$P(HLPARM,U)

 ;-- check for valid pointer

 I HLDEVPTR'>0 S RESULT=1 G INITQ

 ;-- check for device

 S HLDEVICE=$P($G(^%ZIS(1,HLDEVPTR,0)),"^",1)

 I HLDEVICE="" S RESULT=1 G INITQ

 ;-- open device

 D MONITOR^HLCSDR2("OPEN",5,HLDP)

 K ZTIO S IOP=HLDEVICE D ^%ZIS I POP D MONITOR^HLCSDR2("OPENFAIL",5,HLDP) H 3 S RESULT=1 G INITQ

 ;-- set up environment

 S X=255 U IO X ^%ZOSF("EOFF"),^%ZOSF("RM"),^%ZOSF("TRMON")

INITQ Q RESULT

XSETUP() ;-- This function will set up all parameters required by the X3.28

 ;   protocol.

 ; This function will return a 1 if it fails, else 0

 N RESULT

 S RESULT=0

 ;-- initialize and set defaults

 ;-- max message size

 S HLMMS=$P(HLPARM,U,2) S:'HLMMS HLMMS=99999

 ;-- block size

 S HLDBLOCK=$P(HLPARM,U,3) S:'HLDBLOCK HLDBLOCK=245

 ;-- timer a

 S HLTIMA=$P(HLPARM,U,4) S:'HLTIMA HLTIMA=6

 ;-- timer b

 S HLTIMB=$P(HLPARM,U,5) S:'HLTIMB HLTIMB=3

 ;-- timer d

 S HLTIMD=$P(HLPARM,U,6) S:'HLTIMD HLTIMD=30

 ;-- timer e

 S HLTIME=$P(HLPARM,U,7) S:'HLTIME HLTIME=180

 N I,J,K F I=1:1 S J=$T(CTRLS+I) Q:J["END"  D

 .S K=$P(J,";",3),@K=$P(J,";",4)

 .S HLCTRL(@K)=$P(J,";",5)

 I $G(HLTRACE) K ^TMP("HLLOG",$J) S HLLOG=0

XSETQ Q RESULT

FILE ;-- file startup stats

 D NOW^%DTC

 L +^HLCS(870,HLDP,0):DTIME I '$T G FILE

 ;9=Time Started, 10=Time Stopped, 11=Task Number

 ;14=Shutdown LLP, 3=Device Type, 18=Gross Errors

 I '$D(ZTSK) S ZTSK=""

 S DIE="^HLCS(870,",DA=HLDP,DR="9////^S X=%;10////@;11////^S X=ZTSK;14////0;3////SX;18////@" D ^DIE K DIE,DA,DR

 L -^HLCS(870,HLDP,0)

END ;-- file stats

 D NOW^%DTC

 D MONITOR^HLCSDR2("SHUTDOWN",5,HLDP)

 L +^HLCS(870,HLDP,0):DTIME I '$T G END

 ;10=Time Stopped,9=Time Started,11=Task Number

 S DIE="^HLCS(870,",DA=HLDP,DR="10////^S X=%;9////@;11////@" D ^DIE K DIE,DA,DR

 L -^HLCS(870,HLDP,0)

EXIT2 ;

 D ^%ZISC X ^%ZOSF("EON")

EXIT ;-- exit cleanup

 D ^%ZISC X ^%ZOSF("EON")

 K HLMMS,HLBLOCK,HLTIMA,HLTIMB,HLTIMD,HLTIME,HLTERM,HLSOH,HLSTX,HLETB,HLETX,HLEOT,HLENQ,HLRINT,HLDLE,HLNAK,HLACK0,HLACK1,HLACK2,HLACK3,HLACK4,HLACK5,HLACK6,HLACK7

 K HLDNODE,HLDEVPTR,HLDEVICE,HLRETPRM,HLDAPP,X,HLDEND,HLDSTRT,HLDVER,HLDREAD,HLDWRITE,HLDP,HLTRACE,ZTSK,HLDBSIZE

ERROR ;

 ;-- on disconnect errors, trap and try to reconnect, all others,

 ;   trap and shut down gracefully

 I $$EC^%ZOSV["DSCON" D MONITOR^HLCSDR2("Disconnect",5,HLDP) H 3 G EN1

 D ^%ZTER

 D END G EXIT

CTRLS ;X3.28 control settings

 ;;HLTERM;13;<CR>

 ;;HLSOH;1;<SOH>

 ;;HLSTX;2;<STX>

 ;;HLETB;23;<ETB>

 ;;HLETX;3;<ETX>

 ;;HLEOT;4;<EOT>

 ;;HLENQ;5;<ENQ>

 ;;HLRINT;60;<RINT>

 ;;HLDLE;16;<DLE>

 ;;HLNAK;21;<NAK>

 ;;HLACK0;48;<ACK0>

 ;;HLACK1;49;<ACK1>

 ;;HLACK2;50;<ACK2>

 ;;HLACK3;51;<ACK3>

 ;;HLACK4;52;<ACK4>

 ;;HLACK5;53;<ACK5>

 ;;HLACK6;54;<ACK6>

 ;;HLACK7;55;<ACK7>

 ;;END

HLCSDL.m