VistA-FOIAVistA/r/KERNEL-XU-A4A7-USC-XG-XLF-X.../_ZISTCPS.m

110 lines
3.1 KiB
Mathematica

%ZISTCPS ;ISF/RWF - DEVICE HANDLER TCP/IP SERVER CALLS ;06/20/2005 09:11
;;8.0;KERNEL;**78,118,127,225,275,388**;Jul 10, 1995
Q
;
CLOSE ;Close and reset
G CLOSE^%ZISTCP
Q
;
;In ZRULE, set ZISQUIT=1 to quit
LISTEN(SOCK,RTN,ZRULE) ;Listen on socket, start routine
N %A,ZISOS,X,NIO,EXIT
N $ES,$ET S $ETRAP="D OPNERR^%ZISTCPS"
S ZISOS=^%ZOSF("OS"),ZRULE=$G(ZRULE)
S POP=1
D GETENV^%ZOSV S U="^",XUENV=Y,XQVOL=$P(Y,U,2)
S POP=1 D LONT:ZISOS["OpenM",LGTM:ZISOS["GT.M"
I 'POP C NIO ;Close port
Q
;
;
LONT ;Open port in Accept mode with standard terminators.
N %ZA,NEWCHAR
S NIO="|TCP|"_SOCK,EXIT=0
;(adr:sock:term:ibuf:obuf:queue)
O NIO:(:SOCK:"AT"::512:512:10):30 Q:'$T S POP=0 U NIO
;Wait on read for a connect
LONT2 F U NIO R *NEWCHAR:30 S EXIT=$$EXIT Q:$T!EXIT
I EXIT C NIO Q
;JOB params (:Concurrent Server bit:principal input:principal output)
J CHILDONT^%ZISTCPS(NIO,RTN):(:16::):10 S %ZA=$ZA
I %ZA\8196#2=1 W *-2 ;Job failed to clear bit
G LONT2
;
CHILDONT(IO,RTN) ;Child process for OpenM
S $ETRAP="D ^%ZTER L HALT",IO=$ZU(53)
U IO:(::"-M") ;Work like DSM
S NEWJOB=$$NEWOK
I 'NEWJOB W "421 Service temporarily down.",$C(13,10),!
I NEWJOB K NEWJOB D VAR,@RTN
HALT
;
VAR ;Setup IO variables
S IO(0)=IO,IO(1,IO)="",POP=0
S IOT="TCP",IOST="P-TCP",IOST(0)=0
S IOF=$$FLUSHCHR^%ZISTCP
S ^XUTL("XQ",$J,0)=$$DT^XLFDT
Q
NEWOK() ;Is it OK to start a new process
I $G(^%ZIS(14.5,"LOGON",^%ZOSF("VOL"))) Q 0
I $$AVJ^%ZOSV()<3 Q 0
Q 1
OPNERR ;
S POP=1,EXIT=1,IO("ERROR")=$ECODE,$ECODE=""
Q
EXIT() ;See if time to exit
I $$S^%ZTLOAD Q 1
N ZISQUIT S ZISQUIT=0
I $L(ZRULE) X ZRULE I $G(ZISQUIT) Q 1
Q 0
;
LGTM ;GT.M multi thread server
N %A K ^TMP("ZISTCP",$J)
S $ZINTERRUPT="I $$JOBEXAM^ZU($ZPOSITION)"
S NIO="SCK$"_$S($J>86400:$J,1:84600+$J) ;Construct a dummy, but "unique" devicename for job
D LOG("Open for Listen "_NIO)
;Open the device
O NIO:(ZLISTEN=SOCK_":TCP":ATTACH="listener"):30:"SOCKET"
I '$T D LOG("Can't Open Socket: "_SOCK) Q
U NIO S NIO("ZISTCP",0)=$KEY D LOG("Have port.")
;Start Listening
W /LISTEN(1) S NIO("ZISTCP",1)=$KEY D LOG("Start Listening. "_NIO("ZISTCP",1))
;Wait for connection
LG2 S %A=0,EXIT=0 F D Q:%A!EXIT
. W /WAIT(30) ;Wait for connect
. I $P($KEY,"|",1)="CONNECT" S NIO("ZISTCP",2)=$KEY,%A=1
. S EXIT=$$EXIT
. Q
I EXIT C NIO Q
;
S NIO("SOCK")=$P($G(NIO("ZISTCP",2)),"|",2)
D LOG("Got connection on "_NIO("SOCK"))
I '$$NEWOK D G LG2
. U NIO:(SOCKET=NIO("SOCK")) W "421 Service temporarily down.",$C(13,10),#
. C NIO:(SOCKET=NIO("SOCK")) K NIO("ZISTCP",2)
. Q
;Close the main socket
C NIO:(SOCKET="listener")
;Start a new listener
J LISTEN^%ZISTCPS(SOCK,RTN,ZRULE)
;Use the new socket
;U NIO:(SOCKET=NIO("SOCK"):WIDTH=512:NOWRAP:IOERROR="TRAP")
U NIO:(SOCKET=NIO("SOCK"):WIDTH=512:NOWRAP)
;Run the job
D GTMLNCH(NIO,RTN)
S POP=0
Q
;
GTMLNCH(IO,RTN) ;Run gt.m job for this conncetion.
N NIO,SOCK,ZISOS,EXIT,XQVOL,$ETRAP
S U="^",$ETRAP="D ^%ZTER L HALT"
S IO(0)=IO,IO(1,IO)=""
D VAR,@RTN
Q $D(IO("C")) ;Use IO("C") to quit server
;
LOG(MSG) ;LOG STATUS
N CNT
S CNT=$G(^TMP("ZISTCP",$J))+1,^TMP("ZISTCP",$J)=CNT,^($J,CNT)=MSG
Q
;