- XML4CRC1 ;(WASH ISC)/RFJ-Block Mode Protocol ;04/17/2002 10:57
- ;;8.0;MailMan;**45**;Jun 28, 2002;Build 8
- OPEN D GET,OP
- S:'$D(XMESC) XMESC=$C(126) S:'$D(XMFS) XMFS=255 S:'$D(XM) XM="" S (XMSSQ,XMRSQ)=1 Q
- GET S X=XMCHAN,DIC="^DIC(3.4,",DIC(0)="Z" D ^DIC S XMCHAN=+Y
- I '$D(^DIC(3.4,XMCHAN,0)) S ER=1,Y="Invalid channel" Q
- G2 S XMPROT=$P(^DIC(3.4,XMCHAN,0),U,1)
- F X=1:1:4 S @($P("XMSEN^XMREC^XMOPEN^XMCLOSE",U,X))=$S($D(^(X)):^(X),1:"Q")
- Q
- OP I $D(XMOPEN) X:$L(XMOPEN) XMOPEN
- I '$D(XMQUIET) S X=255 X ^%ZOSF("RM")
- Q
- C X ^%ZOSF("EON")
- I $D(XMCLOSE) X:$L(XMCLOSE) XMCLOSE
- Q
- SEND ;Sends XMSG, returns ER=0 or 1, and XMLER=number of "soft" errors
- I $L(XMSG)>255 S XMLER=0,ER=1 G SRQ
- I XMSG'?.ANP S X=XMSG,XMSG="" F %=1:1:$L(X) S:$E(X,%)'?1C!($A(X,%)=9) XMSG=XMSG_$E(X,%)
- D SRINIT S X=XMSG,XMLCC=XMLCC+$L(XMSG) D SUM
- SL S XMLER=XMLER+1 I (XMLER+1)>XMLMAXER D NEWSTRAT
- I ER W XMLERR,$C(13) G SRQ
- D BUFLUSH W XMSG,$C(13) W XMLINE,U,XMSUM,$C(13) R XMLX:XMLTIME G:XMLX=(XMLINE_U_XMLACK) SRQ
- S XMLY=XMLX=(XMLINE_U_XMLNAK),XMLZ=0 D:'XMLY ENQ G SL:XMLY,SRQ
- ENQ ;Assume the ACK/NAK was garbled by noise and try to re-establish contact
- S XMLZ=XMLZ+1 I XMLZ>XMLMAXER S (ER,XMLY)=1 Q
- D BUFLUSH W XMLENQ,$C(13) R XMLX:XMLTIME Q:XMLX=(XMLINE_U_XMLACK)
- I XMLX[XMLACK!(XMLX[XMLNAK),+XMLX=XMLINE!(+XMLX=XMLINE-1) S XMLY=1 Q
- H 1 G ENQ
- REC ;Receives XMRG, returns ER=0 or 1, and XMLER=number of "soft" errors
- D SRINIT S:'$D(XMLAN) XMLAN=XMLINE_U_XMLNAK
- RL S XMLER=XMLER+1 I (XMLER+1)>XMLMAXER D NEWSTRAT I ER=1 G SRQ
- R XMRG#255:$S($D(XMSTIME):XMSTIME,1:XMLTIME) S XMLCC=$S('$D(XMLCC):$L(XMRG),1:XMLCC+$L(XMRG)),XMLZ=$S('$T:-1,XMRG=XMLENQ:0,XMRG=XMLERR:2,1:1),%=2
- S %=2 D PROG^XML4CRC I $D(XMLIN),XMLIN'<1 G REC^XML4CRC:XMRG["*"
- S ER=XMLZ=2 G:XMLZ>1 SRQ I XMLZ<1 D BUFLUSH W XMLAN,$C(13) G RL
- R XMLY:XMLTIME I +XMLY=XMLINE S X=XMRG D SUM S XMLZ=XMSUM=$P(XMLY,U,2) G RL2
- S XMLZ=0 I +XMLY=(XMLINE-1),XMLINE'=1 D BUFLUSH W +XMLY,U,XMLACK,$C(13) G RL
- RL2 D:$D(XMLBMER) KILL^XML4CRC S XMLAN=XMLINE_U_$S(XMLZ:XMLACK,1:XMLNAK) D BUFLUSH W XMLAN,$C(13)
- G SRQ:XMLZ,RL
- SRINIT ;Initialize variables for Send/Receive
- I '$D(XMLBTST) S XMLBTST=+$H_","_($P($H,",",2)-.001),XMLCC=0 ;Time stamp when message started
- S XMLINE=$S('$D(XMLINE):1,1:XMLINE+1),XMLACK="ACK",XMLNAK="NAK"
- S XMLENQ=$C(9)_"ENQ"_$C(9),XMLERR=$C(9)_"ERROR"_$C(9)
- S XMLER=-1 ;soft error count
- S XMLMAXER=5 ;maximum allowable soft errors
- S XMLTIME=10 ;length of READ time
- S ER=0 ;non-recoverable error flag
- Q
- NEWSTRAT ;Select new strategy, one or both machines may be slow
- I XMLMAXER=5 S ER=1 Q ;already tried new strategy, give up.
- S XMTLER=$S('$D(XMTLER):XMLER,1:XMTLER+XMLER),XMLER=0 ;add to total
- S XMLMAXER=5 ;reduce allowable soft errors
- S XMLTIME=30 ;increase the READ time
- Q
- SRQ ;Exit from Send/Receive
- S XMTLER=$S('$D(XMTLER):XMLER,1:XMTLER+XMLER) ;Total errors
- K XMLACK,XMLNAK,XMLENQ,XMLERR,XMLMAXER,XMLTIME,XMLX,XMLY,XMLZ
- Q
- BUFLUSH ;Flush any characters out of the buffer
- Q:'$D(XMBFLUSH)
- X ^%ZOSF("TRMON") S X=$P($H,",",2) F %=1:1 R %:0 Q:'$T S %=$P($H,",",2) S:%<X %=%+86400 Q:%-X>15
- X ^%ZOSF("TRMOFF") Q
- SUM ;Calculate checksum, accounting also for the character's position
- I '$D(XMOS) D LPC^XMLSWP0
- I $D(XMOS(0)) X XMOS(0) Q
- I XMOS["VAX DSM" X "S XMSUM=$ZC(%LPC,X)+$L(X)*$L(X)" Q
- I XMOS["DSM" X "S XMSUM=$ZC(LPC,X)+$L(X)*$L(X)" Q
- I XMOS["M/11"!(XMOS["M/VX") X "S XMSUM=$ZC(X)+$L(X)*$L(X)" Q
- S XMSUM=0 F %=1:1:$L(X) S XMSUM=XMSUM+($A(X,%)*%)
- Q
- --- Routine Detail --- with STRUCTURED ROUTINE LISTING ---[H[J[2J[HXML4CRC1 3505 printed Jan 18, 2025@03:13:35 Page 2
- XML4CRC1 ;(WASH ISC)/RFJ-Block Mode Protocol ;04/17/2002 10:57
- +1 ;;8.0;MailMan;**45**;Jun 28, 2002;Build 8
- OPEN DO GET
- DO OP
- +1 if '$DATA(XMESC)
- SET XMESC=$CHAR(126)
- if '$DATA(XMFS)
- SET XMFS=255
- if '$DATA(XM)
- SET XM=""
- SET (XMSSQ,XMRSQ)=1
- QUIT
- GET SET X=XMCHAN
- SET DIC="^DIC(3.4,"
- SET DIC(0)="Z"
- DO ^DIC
- SET XMCHAN=+Y
- +1 IF '$DATA(^DIC(3.4,XMCHAN,0))
- SET ER=1
- SET Y="Invalid channel"
- QUIT
- G2 SET XMPROT=$PIECE(^DIC(3.4,XMCHAN,0),U,1)
- +1 FOR X=1:1:4
- SET @($PIECE("XMSEN^XMREC^XMOPEN^XMCLOSE",U,X))=$SELECT($DATA(^(X)):^(X),1:"Q")
- +2 QUIT
- OP IF $DATA(XMOPEN)
- if $LENGTH(XMOPEN)
- XECUTE XMOPEN
- +1 IF '$DATA(XMQUIET)
- SET X=255
- XECUTE ^%ZOSF("RM")
- +2 QUIT
- C XECUTE ^%ZOSF("EON")
- +1 IF $DATA(XMCLOSE)
- if $LENGTH(XMCLOSE)
- XECUTE XMCLOSE
- +2 QUIT
- SEND ;Sends XMSG, returns ER=0 or 1, and XMLER=number of "soft" errors
- +1 IF $LENGTH(XMSG)>255
- SET XMLER=0
- SET ER=1
- GOTO SRQ
- +2 IF XMSG'?.ANP
- SET X=XMSG
- SET XMSG=""
- FOR %=1:1:$LENGTH(X)
- if $EXTRACT(X,%)'?1C!($ASCII(X,%)=9)
- SET XMSG=XMSG_$EXTRACT(X,%)
- +3 DO SRINIT
- SET X=XMSG
- SET XMLCC=XMLCC+$LENGTH(XMSG)
- DO SUM
- SL SET XMLER=XMLER+1
- IF (XMLER+1)>XMLMAXER
- DO NEWSTRAT
- +1 IF ER
- WRITE XMLERR,$CHAR(13)
- GOTO SRQ
- +2 DO BUFLUSH
- WRITE XMSG,$CHAR(13)
- WRITE XMLINE,U,XMSUM,$CHAR(13)
- READ XMLX:XMLTIME
- if XMLX=(XMLINE_U_XMLACK)
- GOTO SRQ
- +3 SET XMLY=XMLX=(XMLINE_U_XMLNAK)
- SET XMLZ=0
- if 'XMLY
- DO ENQ
- if XMLY
- GOTO SL
- GOTO SRQ
- ENQ ;Assume the ACK/NAK was garbled by noise and try to re-establish contact
- +1 SET XMLZ=XMLZ+1
- IF XMLZ>XMLMAXER
- SET (ER,XMLY)=1
- QUIT
- +2 DO BUFLUSH
- WRITE XMLENQ,$CHAR(13)
- READ XMLX:XMLTIME
- if XMLX=(XMLINE_U_XMLACK)
- QUIT
- +3 IF XMLX[XMLACK!(XMLX[XMLNAK)
- IF +XMLX=XMLINE!(+XMLX=XMLINE-1)
- SET XMLY=1
- QUIT
- +4 HANG 1
- GOTO ENQ
- REC ;Receives XMRG, returns ER=0 or 1, and XMLER=number of "soft" errors
- +1 DO SRINIT
- if '$DATA(XMLAN)
- SET XMLAN=XMLINE_U_XMLNAK
- RL SET XMLER=XMLER+1
- IF (XMLER+1)>XMLMAXER
- DO NEWSTRAT
- IF ER=1
- GOTO SRQ
- +1 READ XMRG#255:$SELECT($DATA(XMSTIME):XMSTIME,1:XMLTIME)
- SET XMLCC=$SELECT('$DATA(XMLCC):$LENGTH(XMRG),1:XMLCC+$LENGTH(XMRG))
- SET XMLZ=$SELECT('$TEST:-1,XMRG=XMLENQ:0,XMRG=XMLERR:2,1:1)
- SET %=2
- +2 SET %=2
- DO PROG^XML4CRC
- IF $DATA(XMLIN)
- IF XMLIN'<1
- if XMRG["*"
- GOTO REC^XML4CRC
- +3 SET ER=XMLZ=2
- if XMLZ>1
- GOTO SRQ
- IF XMLZ<1
- DO BUFLUSH
- WRITE XMLAN,$CHAR(13)
- GOTO RL
- +4 READ XMLY:XMLTIME
- IF +XMLY=XMLINE
- SET X=XMRG
- DO SUM
- SET XMLZ=XMSUM=$PIECE(XMLY,U,2)
- GOTO RL2
- +5 SET XMLZ=0
- IF +XMLY=(XMLINE-1)
- IF XMLINE'=1
- DO BUFLUSH
- WRITE +XMLY,U,XMLACK,$CHAR(13)
- GOTO RL
- RL2 if $DATA(XMLBMER)
- DO KILL^XML4CRC
- SET XMLAN=XMLINE_U_$SELECT(XMLZ:XMLACK,1:XMLNAK)
- DO BUFLUSH
- WRITE XMLAN,$CHAR(13)
- +1 if XMLZ
- GOTO SRQ
- GOTO RL
- SRINIT ;Initialize variables for Send/Receive
- +1 ;Time stamp when message started
- IF '$DATA(XMLBTST)
- SET XMLBTST=+$HOROLOG_","_($PIECE($HOROLOG,",",2)-.001)
- SET XMLCC=0
- +2 SET XMLINE=$SELECT('$DATA(XMLINE):1,1:XMLINE+1)
- SET XMLACK="ACK"
- SET XMLNAK="NAK"
- +3 SET XMLENQ=$CHAR(9)_"ENQ"_$CHAR(9)
- SET XMLERR=$CHAR(9)_"ERROR"_$CHAR(9)
- +4 ;soft error count
- SET XMLER=-1
- +5 ;maximum allowable soft errors
- SET XMLMAXER=5
- +6 ;length of READ time
- SET XMLTIME=10
- +7 ;non-recoverable error flag
- SET ER=0
- +8 QUIT
- NEWSTRAT ;Select new strategy, one or both machines may be slow
- +1 ;already tried new strategy, give up.
- IF XMLMAXER=5
- SET ER=1
- QUIT
- +2 ;add to total
- SET XMTLER=$SELECT('$DATA(XMTLER):XMLER,1:XMTLER+XMLER)
- SET XMLER=0
- +3 ;reduce allowable soft errors
- SET XMLMAXER=5
- +4 ;increase the READ time
- SET XMLTIME=30
- +5 QUIT
- SRQ ;Exit from Send/Receive
- +1 ;Total errors
- SET XMTLER=$SELECT('$DATA(XMTLER):XMLER,1:XMTLER+XMLER)
- +2 KILL XMLACK,XMLNAK,XMLENQ,XMLERR,XMLMAXER,XMLTIME,XMLX,XMLY,XMLZ
- +3 QUIT
- BUFLUSH ;Flush any characters out of the buffer
- +1 if '$DATA(XMBFLUSH)
- QUIT
- +2 XECUTE ^%ZOSF("TRMON")
- SET X=$PIECE($HOROLOG,",",2)
- FOR %=1:1
- READ %:0
- if '$TEST
- QUIT
- SET %=$PIECE($HOROLOG,",",2)
- if %<X
- SET %=%+86400
- if %-X>15
- QUIT
- +3 XECUTE ^%ZOSF("TRMOFF")
- QUIT
- SUM ;Calculate checksum, accounting also for the character's position
- +1 IF '$DATA(XMOS)
- DO LPC^XMLSWP0
- +2 IF $DATA(XMOS(0))
- XECUTE XMOS(0)
- QUIT
- +3 IF XMOS["VAX DSM"
- XECUTE "S XMSUM=$ZC(%LPC,X)+$L(X)*$L(X)"
- QUIT
- +4 IF XMOS["DSM"
- XECUTE "S XMSUM=$ZC(LPC,X)+$L(X)*$L(X)"
- QUIT
- +5 IF XMOS["M/11"!(XMOS["M/VX")
- XECUTE "S XMSUM=$ZC(X)+$L(X)*$L(X)"
- QUIT
- +6 SET XMSUM=0
- FOR %=1:1:$LENGTH(X)
- SET XMSUM=XMSUM+($ASCII(X,%)*%)
- +7 QUIT