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_zmgsis1.m
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%zmgsis1 ;(CM) Service Integration - Child Process
;
; ----------------------------------------------------------------------------
; | %zmgsis1 |
; | Author: Chris Munt cmunt@mgateway.com, chris.e.munt@gmail.com |
; | Copyright (c) 2016-2021 M/Gateway Developments Ltd, |
; | Surrey UK. |
; | All rights reserved. |
; | |
; | http://www.mgateway.com |
; | |
; | Licensed under the Apache License, Version 2.0 (the "License"); |
; | you may not use this file except in compliance with the License. |
; | You may obtain a copy of the License at |
; | |
; | http://www.apache.org/licenses/LICENSE-2.0 |
; | |
; | Unless required by applicable law or agreed to in writing, software |
; | distributed under the License is distributed on an "AS IS" BASIS, |
; | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
; | See the License for the specific language governing permissions and |
; | limitations under the License. |
; ----------------------------------------------------------------------------
;
a0 d vers q
;
; v2.0.6: 17 February 2009
; v2.0.7: 1 July 2009
; v2.0.8: 15 July 2009
; v2.0.9: 19 October 2009
; v2.1.10: 12 August 2013
; v2.2.11: 9 December 2013
; v2.3.12: 6 September 2018 (Add Intersystems IRIS)
; v2.3.13: 3 February 2019 (Add all-out to xdbc)
; v2.3.14: 18 March 2019 (Release as Open Source, Apache v2 license)
; v3.0.1: 13 June 2019 (Renamed to %zmgsi and %zmgsis)
; v3.1.2: 10 September 2019 (Add protocol upgrade for mg_dba library - Go)
; v3.2.3: 1 November 2019 (Add SQL interface)
; v3.2.4: 8 January 2020 (Add support for $increment to old protocol)
; v3.2.5: 17 January 2020 (Finalise the ifc interface)
; v3.2.6: 3 February 2020 (Send version of DB back to the client)
; v3.2.7: 5 May 2020 (Add the 'Merge' command to the YottaDB API)
; v3.3.8: 25 May 2020 (Add protocol upgrade for mg-dbx - TCP based connectivity from Node.js)
; v3.3.9: 17 June 2020 (Add web protocol for mg_web. Support for nested ISC Object References)
; v3.3.10: 7 July 2020 (Improve web protocol for mg_web)
; v3.3.11: 3 August 2020 (Fix the stop^%zmgsi() facility. Fix a UNIX connectivity issue)
; v3.4.12: 10 August 2020 (Introduce streamed write for mg_web; export the data-types for the SQL interface)
; v3.5.13: 29 August 2020 (Introduce ASCII streamed write for mg_web; Introduce websocket support; reset ISC namespace after each web request)
; v3.5.14: 24 September 2020 (Add a getdatetime() function)
; v3.6.15: 6 November 2020 (Add functionality to support load balancing and failover in mg_web)
; v4.0.16: 11 February 2021 (Implement native concurrent TCP server for YottaDB; Transaction Processing; Review code base and remove unnecessary/defunct code)
; v4.1.17: 23 March 2021 (Improve performance of network of YottaDB; Introduce support for the mg_pwind I/O subsystem)
; v4.1.18: 25 March 2021 (Correct a fault in the $$nvpair() web helper - it wasn't coping with unescaped '=' characters in values)
; v4.2.19: 5 April 2021 (Introduce improved support for InterSystems Objects for the standard (PHP/Python/Ruby) connectivity protocol)
; v4.2.20: 20 April 2021 (Add functionality to parse multipart MIME content for mg_web)
; v4.2.21: 23 April 2021 (Related to v4.2.20: move multipart section headers into a separate array)
; v4.3.22: 18 June 2021 (Create the infrastructure to allow mg_web to handle request payloads that exceed the maximum string length of the target DB Server)
; v4.4.23: 18 August 2021 (Add support for TLS secured connectivity for ISC DB Servers;
; Correct 'undefined' %payload in content();
; Remove 'incoming connection' ... log message;
; Add support for native Unicode (UTF16) for InterSystems DB Servers)
; v4.4.24: 20 August 2021 (Correct a regression introduced in v4.4.23 that led to %zmgsis processes spinning for mg_web applications)
; v4.4.25: 2 September 2021 (Reinstate support for native Unicode (UTF16) for InterSystems DB Servers - mainly for mg-dbx)
; v4.5.26: 2 December 2021 (Add an 'idle timeout' facility to close down inactive processes;
; Suppress the recording of 'uci error: ...' messages in the event log unless the log level is set to 1 (or higher);
; Introduce an options mask to allow the type of requests serviced by the DB Superserver to be restricted)
;
v() ; version and date
n v,r,d
s v="4.5"
s r=26
s d="2 December 2021"
q v_"."_r_"."_d
;
vers ; version information
n v
s v=$$v()
w !,"M/Gateway Developments Ltd - Service Integration Gateway"
w !,"Version: "_$p(v,".",1,2)_"; Revision "_$p(v,".",3)_" ("_$p(v,".",4)_")"
w !
q
;
isydb() ; See if this is YottaDB
n zv
s zv=$$getzv()
i zv["YottaDB" q 1
q 0
;
isgtm() ; See if this is GT.M
n zv
s zv=$$getzv()
i zv["GT.M" q 1
q 0
;
isidb() ; see if this is an intersystems database
i $zv["ISM" q 1
i $zv["Cache" q 2
i $zv["IRIS" q 3
q 0
;
ismsm() ; see if this is msm
i $zv["MSM" q 1
q 0
;
isdsm() ; see if this is dsm
i $zv["DSM" q 1
q 0
;
ism21() ; see if this is m21
i $zv["M21" q 1
q 0
;
getzv() ; Get $ZV
; ISC IRIS: IRIS for Windows (x86-64) 2019.2 (Build 107U) Wed Jun 5 2019 17:05:10 EDT
; ISC Cache: Cache for Windows (x86-64) 2019.1 (Build 192) Sun Nov 18 2018 23:37:14 EST
; GT.M: GT.M V6.3-004 Linux x86_64
; YottaDB: YottaDB r1.22 Linux x86_64
new $ztrap set $ztrap="zgoto "_$zlevel_":getzve^%zmgsis1"
q $zyrelease
getzve ; Error
q $zv
;
getzvv() ; Get version from $ZV
n zv,i,ii,x,version
s zv=$$getzv()
i $$isidb() d q version
. f i=1:1 s x=$p(zv," ",i) q:x="" i x["(Build" s version=$p(zv," ",i-1) q
. q
s x=$$isydb()
i x=1 s version=$p($p(zv," V",2)," ",1) q version
i x=2 s version=$p($p(zv," r",2)," ",1) q version
s version="" f i=1:1 s x=$e(zv,i) q:x="" i x?1n d q
. f ii=i:1 s x=$e(zv,ii) q:x=""!('((x?1n)!(x="."))) s version=version_x
. q
q version
;
getsys() ; Get system type
n systype
s systype=$s($$isidb()>2:"IRIS",$$isidb()=2:"Cache",$$isidb()=1:"ISM",$$ism21():"M21",$$ismsm():"MSM",$$isdsm():"DSM",$$isydb()>1:"YottaDB",$$isydb()=1:"GTM",1:"")
q systype
;
getmsl() ; Get maximum string length
n max
new $ztrap set $ztrap="zgoto "_$zlevel_":getmsle^%zmgsis1"
q 1048576
i $$isydb() q 1048576
i $$ism21() q 1023
i $$ismsm() q 250
i $$isdsm() q 250
q $$getmslx()
getmsle ; error
q $$getmslx()
;
getmslx() ; Get maximum string length the hard way
n x,max
new $ztrap set $ztrap="zgoto "_$zlevel_":getmslxe^%zmgsis1"
s x="" f max=1:1 s x=x_"a"
getmslxe ; max string error
q (max-1)
;
getdatetime(h) ; Get the date and time in text form
n dt
s dt=$zd(h)_" "_$$dtime($p(h,",",2),1)
q dt
;
trim(x,chrs) ; trim leading/trailing spaces from text
q $$ltrim($$rtrim(x,chrs),chrs)
;
ltrim(x,chrs) ; trim leading spaces from text
i chrs="" s chrs=" "
f q:chrs'[$e(x,1) s x=$e(x,2,9999) i x="" q
q x
;
rtrim(x,chrs) ; trim trailing spaces from text
n len
i chrs="" s chrs=" "
s len=$l(x) f q:chrs'[$e(x,len) s x=$e(x,1,len-1),len=len-1 i x="" q
q x
;
lcase(string) ; convert to lower case
q $tr(string,"ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz")
;
ucase(string) ; convert to upper case
q $tr(string,"abcdefghijklmnopqrstuvwxyz","ABCDEFGHIJKLMNOPQRSTUVWXYZ")
;
utf8in(string) ; Convert UTF8 to raw Unicode (UTF16)
q string
;
utf8out(string) ; Convert raw Unicode (UTF16) to UTF8
q string
;
vars(a) ; public system variables
;
; the following variables can be modified in accordance with the documentation
s a("extra")=$c(1) ; key marker for oversize data strings
s a("mqinfo")=0 ; set to 1 to place all mq error/information messages in %zmgmq("info")
; otherwise, error messages will be placed in %zmgmq("error")
; and 'information only' messages in %zmgmq("info")
s a("avar")="req" ; prefix for argument variables.
s a("buffer")="" ; output buffer.
s a("idle_timeout")=0 ; idle timeout
;
; the following variables must not be modified
i '($d(a("global"))#10) s a("global")=0
i '($d(a("oversize"))#10) s a("oversize")=0
; #define mg_tx_data 0
; #define mg_tx_akey 1
; #define mg_tx_arec 2
; #define mg_tx_eod 3
s a("ddata")=0,a("dakey")=1,a("darec")=2,a("deod")=3
s a("maxlen")=$$getmsl()
q
;
opts(a,opts) ; superserver options mask
n dlm,i,x,error
s dlm=",",error=""
i opts="" k a(0) q ""
f i=1:1:4 s a(0,i)=0
f i=1:1:$l(opts,dlm) s x=$$lcase($p(opts,dlm,i)) d i error'="" q
. i x="global"!(x="globals") s a(0,1)=1 q
. i x="function"!(x="functions") s a(0,2)=1 q
. i x="class"!(x="classes") s a(0,3)=1 q
. i x="http"!(x="https") s a(0,4)=1 q
. s error="Invalid superserver option: "_x
. q
q error
;
bvars(a) ; initialise buffer control variables
s a("maxlen")=$$getmsl()
s (a("recvsize"),a("recvptr"),a("recvrlen"))=0
s a("recvbuf")=""
q
;
delavars(a) ; delete argument variables
n i
f i=1:1:37 k @(a("avar")_i)
k a("buffer") s a("buffer")=""
q
;
esize(esize,size,base) ; encode record size
n i,x
i base'=10 g esize1
s esize=size
q $l(esize)
esize1 ; up to base 62
s esize=$$ebase62(size#base,base)
f i=1:1 s x=(size\(base**i)) q:'x s esize=$$ebase62(x#base,base)_esize
q $l(esize)
;
dsize(esize,len,base) ; decode record size
n i,x,size
i base'=10 g dsize1
s size=+$e(esize,1,len)
q size
dsize1 ; up to base 62
s size=0
f i=len:-1:1 s x=$e(esize,i) s size=size+($$dbase62(x,base)*(base**(len-i)))
q size
;
ebase62(n10,base) ; encode to single digit (up to) base-62 number
i n10'<0,n10<10 q $c(48+n10)
i n10'<10,n10<36 q $c(65+(n10-10))
i n10'<36,n10<62 q $c(97+(n10-36))
q ""
;
dbase62(nxx,base) ; decode single digit (up to) base-62 number
n x
s x=$a(nxx) i base<17,x'<97 s x=x-32
i x'<48,x<58 q (x-48)
i x'<65,x<91 q ((x-65)+10)
i x'<97,x<123 q ((x-97)+36)
q ""
;
esize256(dsize) ; create little-endian 32-bit unsigned integer from M decimal
q $c(dsize#256)_$c(((dsize\256)#256))_$c(((dsize\(256**2))#256))_$c(((dsize\(256**3))#256))
;
dsize256(esize) ; convert little-endian 32-bit unsigned integer to M decimal
q ($a(esize,4)*(256**3))+($a(esize,3)*(256**2))+($a(esize,2)*256)+$a(esize,1)
;
ehead(head,size,byref,type) ; encode header record
n slen,hlen,code
s slen=$$esize(.esize,size,10)
s code=slen+(type*8)+(byref*64)
s head=$c(code)_esize
s hlen=slen+1
q hlen
;
dhead(head,size,byref,type) ; decode header record
n slen,hlen,code
s code=$a(head,1)
s byref=code\64
s type=(code#64)\8
s slen=code#8
s hlen=slen+1
s size=0 i $l(head)'<hlen s size=$$dsize($e(head,2,slen+1),slen,10)
q hlen
;
recvex(%zcs,len) ; read 'len' bytes from client
n x,nmax,n,ncnt
i 'len q ""
s x="",nmax=len,n=0,ncnt=0 f r y#nmax d q:'nmax i ncnt>100 q
. i y="" s ncnt=ncnt+1 q
. s ncnt=0,x=x_y,n=n+$l(y),nmax=len-n
. q
i ncnt s x="" d halt(.%zcs) ; client disconnect
q x
;
recv(%zcs,len,clen,rlen) ; buffered read from client - initialize buffer using bvars(.%zcs)
n result,get,avail
;
i $d(%zcs("ifc")) s result=$e(request,%zcs("ifc"),%zcs("ifc")+(len-1)),%zcs("ifc")=%zcs("ifc")+len,rlen=rlen+len q result
;
;s result="" f get=1:1:len r *x s result=result_$c(x)
;s rlen=rlen+len q result
;
s get=len,result=""
i 'len q result
f d i 'get q
. s avail=%zcs("recvsize")-%zcs("recvptr")
. ;d event("i="_i_";len="_len_";avail="_avail_";get="_get_"=("_recvbuf_") "_clen_" "_rlen)
. i get'>avail s result=result_$e(%zcs("recvbuf"),%zcs("recvptr")+1,%zcs("recvptr")+get),%zcs("recvptr")=%zcs("recvptr")+get,get=0 q
. ;s result=%zcs("recvbuf"),%zcs("recvptr")=0,get=get-avail
. s result=$e(%zcs("recvbuf"),%zcs("recvptr")+1,%zcs("recvptr")+avail),%zcs("recvptr")=0,get=get-avail
. s avail=clen-%zcs("recvrlen") i 'avail q
. i avail>%zcs("maxlen") s avail=%zcs("maxlen")
. s %zcs("recvbuf")=$$recvex(.%zcs,avail),%zcs("recvsize")=avail,%zcs("recvptr")=0,%zcs("recvrlen")=%zcs("recvrlen")+avail
. ;d event("%zcs(""recvbuf"")="_i_"="_%zcs("recvbuf"))
. q
s rlen=rlen+len
q result
;
inetd ; entry point from [x]inetd
xinetd ; someone is sure to use this label
new $ztrap set $ztrap="zgoto "_$zlevel_":inetde^%zmgsis1"
d child(0,0,"","")
q
inetde ; error
w $$error()
q
;
ifc(ctx,request,param) ; entry point from fixed binding
n %zcs,argc,sn,type,var,req,res,cmnd,pcmnd,mcmnd,buf,byref,hlen,clen,rlen,oref,result
new $ztrap set $ztrap="zgoto "_$zlevel_":ifce^%zmgsis1"
i param["$zv" q $zv
i param["dbx" q $$dbx(.%zcs,ctx,$a($e(request,5)),$e(request,6,$$getmsl()),$$dsize256(request),param)
i param["websn" q $$dbxwebsn(ctx,$p(param,":",2),request,$p(param,":",3))
d vars(.%zcs)
s %zcs("ifc")=1
s argc=1
k ^mgsi($j)
d delavars(.%zcs)
d bvars(.%zcs)
s sn=0,type=0,var=%zcs("avar")_argc,req(argc)=var,(cmnd,pcmnd,buf)=""
s buf=$p(request,$c(10),1),%zcs("ifc")=%zcs("ifc")+$l(buf)+1
s type=0,byref=0 d req2(.%zcs,.req,argc,type,byref,buf,.cmnd,.pcmnd,.var) s @var=buf
s cmnd=$p(buf,"^",2)
s hlen=$l(buf),clen=0
i cmnd="P" s clen=$$dsize($e(buf,hlen-(5-1),hlen),5,62)
s %zcs("client")=$e(buf,4)
;d event("request cmnd="_cmnd_"; size="_clen_" ("_$e(buf,hlen-(5-1),hlen)_"); client="_%zcs("client")_" ;header = "_buf)
s rlen=0
i clen d req(.%zcs,.req,.argc,clen,.rlen,buf,.cmnd,.pcmnd,.var)
s req=$g(@req(1)),res="" i req="" q ""
s cmnd=$p(req,"^",2),mcmnd=$p(req,"^",4)
k %zcs("buffer") s %zcs("buffer")="" s %zcs("buffer",1)="00000cv"_$c(10)
i cmnd="A" d ayt(.%zcs,.req)
i cmnd="S" d dint(.%zcs,.req)
i cmnd="P" s res=$$mcom(.%zcs,.req,argc,mcmnd,.%oref)
i cmnd="H" d info(.%zcs,.req)
i cmnd="X" d halt(.%zcs)
d end(.%zcs) s result=$g(%zcs("buffer"))
d delavars(.%zcs)
q result
ifce ; error
q "00000ce"_$c(10)_"m server error : ["_$g(req(2))_"]"_$tr($$error(),"<>%","[]^")
;
child(pport,port,tls,opts) ; child
n %zcs,%oref,x,argc,sn,type,var,req,res,oref,cmnd,pcmnd,mcmnd,buf,byref,hlen,clen,rlen,error
new $ztrap set $ztrap="zgoto "_$zlevel_":childe^%zmgsis1"
i pport["|" s %zcs("pwnd")=pport,pport=$p(pport,"|",2)
i $d(%zcs("pwnd")) s %zcs("pwnd")=%zcs("pwnd")_"|"_$zd d &pwind.tcpchldinit(%zcs("pwnd"),"",.error) g:error="" child1 d event(error) d halt(.%zcs)
i 'pport g child1
u $principal
;
child1 ; prepare for child request loop
d vars(.%zcs)
s error=$$opts(.%zcs,$g(opts)) i error'="" d event(error)
child2 ; child request loop
k ^mgsi($j)
d delavars(.%zcs)
k req s argc=1
child3 ; read request
;d event("******* get next request *******")
d bvars(.%zcs)
s sn=0,type=0,var=%zcs("avar")_argc,req(argc)=var,(cmnd,pcmnd,buf)=""
i $d(%zcs("pwnd")) d &pwind.tcpread(.buf,0,$g(%zcs("idle_timeout")),.error) s buf=$p(buf,$c(10),1) g:error="" child4 d event(error) d halt(.%zcs)
i '%zcs("idle_timeout") r *x
i %zcs("idle_timeout") r *x:%zcs("idle_timeout") i '$t d halt(.%zcs) ; idle timeout
i x=0 d halt(.%zcs) ; client disconnect
s buf=$c(x) f r *x q:x=10!(x=0) s buf=buf_$c(x)
i x=0 d halt(.%zcs) ; client disconnect
child4 ; request header received
i buf="xDBC" g main^%mgsqln
i buf?1u.e1"HTTP/"1n1"."1n1c s buf=buf_$c(10) g main^%mgsqlw
i $e(buf,1,4)="dbx1" d dbxnet^%zmgsis1(.%zcs,buf) d halt(.%zcs)
s type=0,byref=0 d req2(.%zcs,.req,argc,type,byref,buf,.cmnd,.pcmnd,.var) s @var=buf
s cmnd=$p(buf,"^",2)
s hlen=$l(buf),clen=0
i cmnd="P" s clen=$$dsize($e(buf,hlen-(5-1),hlen),5,62)
s %zcs("client")=$e(buf,4)
;d event("request cmnd="_cmnd_"; size="_clen_" ("_$e(buf,hlen-(5-1),hlen)_"); client="_%zcs("client")_" ;header = "_buf)
s rlen=0
i clen d req(.%zcs,.req,.argc,clen,.rlen,buf,.cmnd,.pcmnd,.var)
;
;f i=1:1:argc d event("arg "_i_" = "_$g(@req(i)))
;
s req=$g(@req(1)) i req="" g child2
s cmnd=$p(req,"^",2)
k %zcs("buffer") s %zcs("buffer")="" s %zcs("buffer",1)="00000cv"_$c(10)
s mcmnd=$p(req,"^",4)
i cmnd="P",mcmnd="a" tstart s res=0 d res(.%zcs,.req,argc,res),end(.%zcs) g child2
i cmnd="P",mcmnd="b" s res=$tlevel d res(.%zcs,.req,argc,res),end(.%zcs) g child2
i cmnd="P",mcmnd="c" tcommit s res=0 d res(.%zcs,.req,argc,res),end(.%zcs) g child2
i cmnd="P",mcmnd="d" trollback s res=0 d res(.%zcs,.req,argc,res),end(.%zcs) g child2
i cmnd="A" d ayt(.%zcs,.req)
i cmnd="S" d dint(.%zcs,.req)
i cmnd="P" s res=$$mcom(.%zcs,.req,argc,mcmnd,.%oref)
i cmnd="H" d info(.%zcs,.req)
i cmnd="X" d halt(.%zcs)
d end(.%zcs)
g child2
;
childe ; error
d event($$error())
i $$error()["read" d halt(.%zcs)
i $$error()["%gtm-e-ioeof" d halt(.%zcs)
g child2
;
halt(%zcs) ; halt
i $d(%zcs("pwnd")) d &pwind.tcpclose()
h
;
req(%zcs,req,argc,clen,rlen,buf,cmnd,pcmnd,var) ; read request data
n x,hlen,size,byref,type,slen,esize,sn,get,got
req1 ; get next argument
s x=$$recv(.%zcs,1,clen,.rlen),hlen=$$dhead(x,.size,.byref,.type)
s slen=hlen-1
s esize=$$recv(.%zcs,slen,clen,.rlen)
s size=$$dsize(esize,slen,10)
s argc=argc+1,sn=0
d req2(.%zcs,.req,argc,type,byref,buf,.cmnd,.pcmnd,.var)
i type=%zcs("darec") d array(.%zcs,.req,argc,clen,.rlen,buf,var) g reqz
s got=0 f sn=0:1 s get=size-got s:get>%zcs("maxlen") get=%zcs("maxlen") s buf=$$recv(.%zcs,get,clen,.rlen) d i got=size q
. s got=got+get
. i 'sn s @var=buf q
. i sn s @(var_"(%zcs(""extra""),sn)")=buf q
. q
reqz ; argument read
i rlen<clen g req1
q
;
req2(%zcs,req,argc,type,byref,buf,cmnd,pcmnd,var) ; initialize next argument
n sysp,uci,ucic,offset
i argc=1 d
. s cmnd=$p(buf,"^",2)
. s sysp=$p(buf,"^",3)
. s uci=$p(sysp,"#",2) i uci'="" d
. . s ucic=$$getuci()
. . i ucic'="",uci=ucic q
. . d uci(uci)
. . q
. s offset=$p(sysp,"#",3)+0
. s %zcs("global")=$p(sysp,"#",7)+0
. s pcmnd=$p(buf,"^",4)
. q
s var=%zcs("avar")_argc
s req(argc)=var
s req(argc,0)=type i type=%zcs("darec") s req(argc,0)=1
s req(argc,1)=byref
i type=1 s req(argc,1)=1
q
;
array(%zcs,req,argc,clen,rlen,buf,var) ; read array
n xkey,kn,sn,hlen,size,esize,byref,type,slen,size,type,get,got,val
s kn=0
array1 ; read next element (key or data)
s sn=0
s xkey=$$recv(.%zcs,1,clen,.rlen),hlen=$$dhead(xkey,.size,.byref,.type)
s slen=hlen-1
s esize=$$recv(.%zcs,slen,clen,.rlen)
s size=$$dsize(esize,slen,10)
i type=%zcs("deod") q
s got=0 f sn=0:1 s get=size-got s:get>%zcs("maxlen") get=%zcs("maxlen") s buf=$$recv(.%zcs,get,clen,.rlen) d i got=size q
. s got=got+get
. i type=%zcs("dakey") s kn=kn+1,xkey(kn)=buf
. i type=%zcs("ddata") s val=buf d array2(.%zcs,.req,argc,.xkey,kn,sn,val) k xkey s kn=0
. q
g array1
;
array2(%zcs,req,argc,xkey,kn,sn,val) ; read array - set a single node
n n,i,ref,com,key,eref
new $ztrap set $ztrap="zgoto "_$zlevel_":array2e^%zmgsis1"
s (key,com)="" f i=1:1:kn q:i=kn&($g(xkey(i))=" ") s key=key_com_"xkey("_i_")",com=","
i %zcs("global") d
. i $l(key) s ref="^mgsi($j,argc-2,"_key_")",eref="^mgsi($j,argc-2,"_key_",%zcs(""extra""),sn)"
. i '$l(key) s ref="^mgsi($j,argc-2)",eref="^mgsi($j,argc-2,%zcs(""extra""),sn)"
. q
i '%zcs("global") d
. i $l(key) s ref=req(argc)_"("_key_")",eref=req(argc)_"("_key_",%zcs(""extra""),sn)"
. i '$l(key) s ref=req(argc),eref=req(argc)_"(%zcs(""extra""),sn)"
. q
i $l(ref) x "s "_ref_"=val"
q
array2e ; error
d event("array: "_$$error())
q
;
end(%zcs) ; terminate response
n len,len62,i,head,x
i '$d(%zcs("ifc")),$e($g(%zcs("buffer",1)),6,7)="sc" d writem(.%zcs,$p(%zcs("buffer",1),"0",1),1) q ; streamed response
s len=0
f i=1:1 q:'$d(%zcs("buffer",i)) s len=len+$l(%zcs("buffer",i))
s len=len-8
s head=$e($g(%zcs("buffer",1)),1,8)
s x=$$esize(.len62,len,62)
f q:$l(len62)'<5 s len62="0"_len62
s head=len62_$e(head,6,8) i $l(head)'=8 s head=len62_"cv"_$c(10)
s %zcs("buffer",1)=head_$e($g(%zcs("buffer",1)),9,99999)
; flush the lot out
i $d(%zcs("ifc")) g end1
f i=1:1 q:'$d(%zcs("buffer",i)) d writem(.%zcs,%zcs("buffer",i),0)
d flush
q
end1 ; interface
s %zcs("buffer")="" f i=1:1 q:'$d(%zcs("buffer",i)) s %zcs("buffer")=%zcs("buffer")_%zcs("buffer",i)
q
;
flush ; flush output buffer
q
;
ayt(%zcs,req) ; are you there?
n txt
s req=$g(@req(1))
s txt=$p($h,",",2)
f q:$l(txt)'<5 s txt="0"_txt
s txt="m"_txt
f q:$l(txt)'<12 s txt=txt_"0"
d send(.%zcs,txt)
q
;
dint(%zcs,req) ; initialise the service link
n username,password,usrchk,version,itimeout,nls,uci,x,systype,sysver,txt
s (username,password)=""
s req=$p($g(@req(1)),"^S^",2,9999)
;"^S^version=%s&timeout=%d&nls=%s&uci=%s"
s username=$p(req,"&unpw=",2,999)
s password=$p(username,$c(1),2),username=$p(username,$c(1),1)
s usrchk=1
s usrchk=$$checkunpw(password)
i 'usrchk d halt(.%zcs)
;d event(username_"|"_password)
s version=$p($p(req,"version=",2),"&",1)
s itimeout=+$p($p(req,"timeout=",2),"&",1)
s %zcs("idle_timeout")=itimeout
s nls=$p($p(req,"nls=",2),"&",1)
s uci=$p($p(req,"uci=",2),"&",1)
i $l(uci) d uci(uci)
s x=$$setio(nls)
s uci=$$getuci()
s systype=$$getsys()
s sysver=$$getzvv()
s txt="pid="_$j_"&uci="_uci_"&server_type="_systype_"&server_version="_sysver_"&version="_$p($$v(),".",1,3)_"&child_port=0"
d send(.%zcs,txt)
q
;
uci(uci) ; change namespace/uci
n x
new $ztrap set $ztrap="zgoto "_$zlevel_":ucie^%zmgsis1"
i uci="" q
s $zg=uci
q
ucie ; error
i $g(^%zmgsi1("loglevel"))>0 d event("uci error: "_uci_" : "_$$error())
q
;
getuci() ; get namespace/uci
n uci
new $ztrap set $ztrap="zgoto "_$zlevel_":getucie^%zmgsis1"
s uci=$zg
q uci
getucie ; error
q ""
;
info(%zcs,req) ; connection information
d send(.%zcs,"HTTP/1.1 200 OK"_$char(13,10)_"Connection: close"_$char(13,10)_"Content-Type: text/html"_$char(13,10,13,10))
d send(.%zcs,"<html><head><title>mgsi - connection test</title></head><body bgcolor=#ffffcc>")
d send(.%zcs,"<h2>mgsi - connection test successful</h2>")
d send(.%zcs,"<table border=1>")
d send(.%zcs,"<tr><td>"_$$getsys()_" version:</td><td><b>"_$$getzv()_"<b><tr>")
d send(.%zcs,"<tr><td>uci:</td><td><b>"_$$getuci()_"<b><tr>")
d send(.%zcs,"</table>")
d send(.%zcs,"</body></html>")
q
;
mcom(%zcs,req,argc,cmnd,%oref) ; execute M command
n argz,ref,var,varn,com,i,ok,res
new $ztrap set $ztrap="zgoto "_$zlevel_":mcome^%zmgsis1"
s %zcs("buffer")="",res=""
; check options mask
i $d(%zcs(0)) s ok=1 d i 'ok q res
. i $g(%zcs(0,1))=0,"SGKDOPIMm"[cmnd s ok=0 q
. i $g(%zcs(0,2))=0,"HX"[cmnd s ok=0 q
. i $g(%zcs(0,3))=0,"yxhij"[cmnd s ok=0 q
. q
i cmnd="S",argc>2 s ref=$$ref(.req,argc,argc-1,0) x "s "_ref_"="_%zcs("avar")_argc d res(.%zcs,.req,argc,"") q res
i cmnd="G",argc>1 s ref=$$ref(.req,argc,argc,0) x "s res=$g("_ref_")" d res(.%zcs,.req,argc,res) q res
i cmnd="K",argc>0 s ref=$$ref(.req,argc,argc,0) x "k "_ref d res(.%zcs,.req,argc,"") q res
i cmnd="D",argc>1 s ref=$$ref(.req,argc,argc,0) x "s res=$d("_ref_")" d res(.%zcs,.req,argc,res) q res
i cmnd="O",argc>1 s ref=$$ref(.req,argc,argc,0) x "s res=$o("_ref_")" d res(.%zcs,.req,argc,res) q res
i cmnd="P",argc>1 s ref=$$ref(.req,argc,argc,0) x "s res=$o("_ref_",-1)" d res(.%zcs,.req,argc,res) q res
i cmnd="I",argc>2 s ref=$$ref(.req,argc,argc-1,0) x "s res=$i("_ref_","_%zcs("avar")_argc_")" d res(.%zcs,.req,argc,res) q res
i cmnd="a" tstart s res=0 d res(.%zcs,.req,argc,res) q res
i cmnd="b" s res=$tlevel d res(.%zcs,.req,argc,res) q res
i cmnd="c" tcommit s res=0 d res(.%zcs,.req,argc,res) q res
i cmnd="d" trollback s res=0 d res(.%zcs,.req,argc,res) q res
i cmnd="M",argc>2 d d res(.%zcs,.req,argc,"") q res ; global merge from client to database
. s var="" f argz=1:1 q:'$d(req(argz)) i $g(req(argz,0))=1 s var=req(argz) q
. i var="" q
. s argz=argz-1
. s ref=$$ref(.req,argc,argz,0)
. i ref["()" s ref=$p(ref,"()",1)
. i $g(@req(argz+2))["ks" x "k "_ref
. x "m "_ref_"="_var
. q
i cmnd="m",argc>2 d d res(.%zcs,.req,argc,"") q res ; global merge from database to client
. s var="" f argz=1:1 q:'$d(req(argz)) i $g(req(argz,0))=1 s var=req(argz) q
. i var="" q
. s argz=argz-1
. s ref=$$ref(.req,argc,argz,0)
. i ref["()" s ref=$p(ref,"()",1)
. x "m "_var_"="_ref
. q
i cmnd="H" d q res ; stream HTML content to client using M function
. i '$d(%zcs("ifc")) s %zcs("buffer",1)=$c(1,2,1,10)_"0sc"_$c(10) d writem(.%zcs,%zcs("buffer",1),0)
. i argc<2 q
. s (varn,com)="" f i=1:1:argc s varn=varn_com_%zcs("avar")_i,com=","
. s ref=$$ref(.req,argc,argc,0)
. x "n ("_varn_") d "_ref
. q
i cmnd="y" d q res ; stream HTML content to client using ISC ClassMethod
. i '$d(%zcs("ifc")) s %zcs("buffer",1)=$c(1,2,1,10)_"0sc"_$c(10) d writem(.%zcs,%zcs("buffer",1),0)
. i argc<1 q
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$oref(.req,argc,0)
. i argc=1 x "n ("_varn_") s res=$ClassMethod()"
. i argc>1 x "n ("_varn_") s res=$ClassMethod("_ref_")"
. q
i cmnd="X",argc>1 d d res(.%zcs,.req,argc,res) q res ; invocation of M extrinsic function
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$ref(.req,argc,argc,1)
. i argc=2 x "n ("_varn_") s res=$$"_ref_"()"
. i argc>2 x "n ("_varn_") s res=$$"_ref
. q
i cmnd="x",argc>0 d d res(.%zcs,.req,argc,res) q res ; invocation of ISC ClassMethod
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$oref(.req,argc,0)
. i argc=1 x "n ("_varn_") s res=$ClassMethod()"
. i argc>1 x "n ("_varn_") s res=$ClassMethod("_ref_")"
. q
i cmnd="h",argc>0 d d res(.%zcs,.req,argc,res) q res ; retrieve ISC Class property value
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$oref(.req,argc,0)
. i argc<3 q
. s @req(2)=%oref(@req(2))
. x "n ("_varn_") s res=$Property("_ref_")"
. q
i cmnd="i",argc>0 d d res(.%zcs,.req,argc,res) q res ; set ISC Class property value
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$oref(.req,argc-1,0)
. i argc<4 q
. s @req(2)=%oref(@req(2))
. x "n ("_varn_") s $Property("_ref_")="_req(argc)
. q
i cmnd="j",argc>0 d d res(.%zcs,.req,argc,res) q res ; invocation of ISC Method
. s varn="res" f i=1:1:argc s varn=varn_","_%zcs("avar")_i
. s ref=$$oref(.req,argc,0)
. i argc<3 q
. s @req(2)=%oref(@req(2))
. x "n ("_varn_") s res=$Method("_ref_")"
. q
q res
mcome ; error
d event($$client(.%zcs)_" error : "_$$error())
k %zcs("buffer") s %zcs("buffer")="",%zcs("buffer",2)="m server error : ["_$g(%zcs("buffer",2))_"]"_$tr($$error(),"<>%","[]^")_$g(ref)
s %zcs("buffer",1)="00000ce"_$c(10)
q res
;
client(%zcs) ; get client name
s name="mg_client"
i $g(%zcs("client"))="z" s name="mg_php"
i $g(%zcs("client"))="p" s name="mg_python"
i $g(%zcs("client"))="r" s name="mg_ruby"
q name
;
ref(req,argc,argz,fun) ; global reference
n ref,com,i,strt,var
i argc<2 q ""
s var=$g(@req(2))
s strt=2 i var?1"^"."^" s strt=strt+1
s ref=@req(strt) i argc=strt q ref
i strt'<argz q ref
s ref=ref_"("
s com="" f i=strt+1:1:argz s ref=ref_com_$s(fun:".",1:"")_req(i),com=","
s ref=ref_")"
q ref
;
oref(req,argc,fun) ; object reference
n ref,com,i,strt,var
i argc<2 q ""
s var=$g(@req(2))
s strt=2 i var?1"^"."^" s strt=strt+1
i '$d(req(strt)) q ""
s ref=""
s com="" f i=strt:1:argc s ref=ref_com_$s(fun&((i-strt)>1):".",1:"")_req(i),com=","
q ref
;
res(%zcs,req,argz,res) ; return result
n maxlen,anybyref,byref,argc,sn,size,head,array,x
s maxlen=$$getmsl()
s anybyref=0 f argc=1:1:argz q:'$d(req(argc)) i $g(req(argc,1)) s anybyref=1 q
i 'anybyref d q
. d send(.%zcs,$g(res))
. i %zcs("oversize") f sn=1:1 q:'$d(^mgsi($j,0,%zcs("extra"),sn)) d send(.%zcs,$g(^(sn)))
. q
s %zcs("buffer",1)="00000cc"_$c(10)
s size=$l($g(res)),byref=0
i %zcs("oversize") f sn=1:1 q:'$d(^mgsi($j,0,%zcs("extra"),sn)) s size=size+$l(^(sn))
s x=$$ehead(.head,size,byref,%zcs("ddata"))
d send(.%zcs,head)
d send(.%zcs,$g(res))
i %zcs("oversize") f sn=1:1 q:'$d(^mgsi($j,0,%zcs("extra"),sn)) d send(.%zcs,$g(^(sn)))
f argc=1:1:argz q:'$d(req(argc)) d
. s byref=$g(req(argc,1))
. s array=$g(req(argc,0))
. i 'byref s size=0,x=$$ehead(.head,size,byref,%zcs("ddata")) d send(.%zcs,head) q
. i 'array d q
. . s size=$l($g(@req(argc)))
. . f sn=1:1 q:'$d(@(req(argc)_"(%zcs(""extra""),sn)")) s size=size+$l($g(@(req(argc)_"(%zcs(""extra""),sn)")))
. . s x=$$ehead(.head,size,byref,%zcs("ddata"))
. . d send(.%zcs,head)
. . d send(.%zcs,$g(@req(argc)))
. . f sn=1:1 q:'$d(@(req(argc)_"(%zcs(""extra""),sn)")) d send(.%zcs,$g(@(req(argc)_"(%zcs(""extra""),sn)")))
. . q
. s x=$$ehead(.head,0,0,%zcs("darec"))
. d send(.%zcs,head)
. d resa(.%zcs,.req,argc)
. s x=$$ehead(.head,0,0,%zcs("deod"))
. d send(.%zcs,head)
. q
q
;
resa(%zcs,req,argc) ; return array
n avar,byref,xkey,fkey,spc,x,size,sn,kn,ref
new $ztrap set $ztrap="zgoto "_$zlevel_":resae^%zmgsis1"
s byref=0
s avar=req(argc),fkey="" i %zcs("global") s avar="^mgsi",fkey="$j,argc-2"
i avar="" q
i %zcs("global") d
. i ($d(@(avar_"("_fkey_")"))#10) d
. . s spc=" ",x=$$ehead(.head,$l(spc),byref,%zcs("dakey")) d send(.%zcs,head),send(.%zcs,spc)
. . s size=0
. . s size=size+$l($g(@req(argc)))
. . f sn=1:1 q:'$d(@(avar_"("_fkey_","_"%zcs(""extra""),sn)")) s size=size+$l($g(^(sn)))
. . s x=$$ehead(.head,size,byref,%zcs("ddata")) d send(.%zcs,head)
. . d send(.%zcs,$g(@req(argc)))
. . f sn=1:1 q:'$d(@(avar_"("_fkey_","_"%zcs(""extra""),sn)")) d send(.%zcs,$g(^(sn)))
. . q
. s fkey=fkey_","
. q
i '%zcs("global") d
. i ($d(@avar)#10),$l($g(@avar)) d
. . s spc=" ",x=$$ehead(.head,$l(spc),byref,%zcs("dakey")) d send(.%zcs,head),send(.%zcs,spc)
. . s size=0
. . s size=size+$l($g(@avar))
. . f sn=1:1 q:'$d(@(avar_"(%zcs(""extra""),sn)")) s size=size+$l($g(@(avar_"(%zcs(""extra""),sn)")))
. . s x=$$ehead(.head,size,byref,%zcs("ddata")) d send(.%zcs,head)
. . d send(.%zcs,$g(@avar))
. . f sn=1:1 q:'$d(@(avar_"(%zcs(""extra""),sn)")) d send(.%zcs,$g(@(avar_"(%zcs(""extra""),sn)")))
. . q
. q
s kn=1,xkey(kn)="",ref="xkey("_kn_")"
f s xkey(kn)=$o(@(avar_"("_fkey_ref_")")) i $$resa1(.%zcs,avar,fkey,.ref,byref,.xkey,.kn) q
q
resae ; error
new $ztrap set $ztrap="zgoto "_$zlevel_":"
q
;
resa1(%zcs,avar,fkey,ref,byref,xkey,kn) ; array node
n def,data
i xkey(kn)=%zcs("extra") q 0
i xkey(kn)="",kn=1 q 1
i xkey(kn)="" s kn=kn-1,ref=$p(ref,",",1,$l(ref,",")-1) q
s def=$d(@(avar_"("_fkey_ref_")")) i (def\10),$$resa3(a,ref) s def=1
s data=$g(@(avar_"("_fkey_ref_")"))
i (def#10) d resa2(.%zcs,avar,fkey,ref,data,byref,.xkey,kn)
i (def\10) s kn=kn+1,xkey(kn)="",ref=ref_","_"xkey("_kn_")"
q 0
;
resa2(%zcs,avar,fkey,ref,data,byref,xkey,kn) ; array node data
n i,spc,x,head,size,sn
f i=1:1:kn s x=$$ehead(.head,$l(xkey(i)),byref,%zcs("dakey")) d send(.%zcs,head),send(.%zcs,xkey(i))
i $g(%zcs("client"))="z",(def\10) s spc=" ",x=$$ehead(.head,$l(spc),byref,%zcs("dakey")) d send(.%zcs,head),send(.%zcs,spc)
s size=$l(data)
f sn=1:1 q:'$d(@(avar_"("_fkey_ref_",%zcs(""extra""),sn)")) s size=size+$l($g(@(avar_"("_fkey_ref_",%zcs(""extra""),sn)")))
s x=$$ehead(.head,size,byref,%zcs("ddata")) d send(.%zcs,head)
d send(.%zcs,data)
f sn=1:1 q:'$d(@(avar_"("_fkey_ref_",%zcs(""extra""),sn)")) d send(.%zcs,$g(@(avar_"("_fkey_ref_",%zcs(""extra""),sn)")))
q
;
resa3(avar,ref) ; array node data with descendants - test for non-extra data
n x,def
s def=0
s x="" f s x=$o(@(avar_"("_ref_",x)")) q:x="" i x'=%zcs("extra") q
i x="" s def=1
q def
;
send(%zcs,data) ; send data
n n
s n=$o(%zcs("buffer",""),-1)
i n="" s n=1
i $l($g(%zcs("buffer",n)))+$l(data)>%zcs("maxlen") s n=n+1
s %zcs("buffer",n)=$g(%zcs("buffer",n))_data
q
;
error() ; get last error
i $$isydb() q $zs
q $ze
;
seterror(v) ; set error
q
;
setio(tblname) ; set i/o translation
new $ztrap set $ztrap="zgoto "_$zlevel_":setioe^%zmgsis1"
q ""
setioe ; error - do nothing
q ""
;
htest ; return html
n systype
s systype=$$getsys()
w "<i>a line of html from "_systype_"</i>"
q
;
htest1(p1) ; return html
n x,systype
s systype=$$getsys()
;w "HTTP/1.1 200 OK",$c(13,10)
;w "Content-Type: text/html",$c(13,10)
;w "Connection: close",$c(13,10)
;w $c(13,10)
w "<i>html content returned from "_systype_"</i>"
w "<br><i>the input parameter passed was: <b>"_$g(p1)_"</b></i>"
s x="" f s x=$o(p1(x)) q:x="" w "<br><i>array element passed: <b>"_x_" = "_$g(p1(x))_"</b></i>"
q
;
ptest() ; return result
n systype
s systype=$$getsys()
q "result from "_systype_" process: "_$j_"; namespace: "_$$getuci()
q
;
ptest1(p1) ; return result
n systype
s systype=$$getsys()
q "result from "_systype_" process: "_$j_"; namespace: "_$$getuci()_"; the input parameter passed was: "_p1
;
ptest2(p1,p2) ; manipulate an array
n n,x,systype
s systype=$$getsys()
s n=0,x="" f s x=$o(p1(x)) q:x="" s n=n+1
s p1("key from m - 1")="value 1"
s p1("key from m - 2")="value 2"
; s p1("key from m - 2",%zcs("extra"),1)=" ... more data ..."
; s p1("key from m - 2",%zcs("extra"),2)=" ... and more data"
s p2="stratford"
; s ^mgsi($j,0,%zcs("extra"),1)=" ... more output ...",^(2)=" ... and more output",%zcs("oversize")=1
q "result from "_systype_" process: "_$j_"; namespace: "_$$getuci()_"; "_n_" elements were received in an array, 2 were added by this procedure"
;
setunpw(username,password)
s ^%zmgsi1(0,"username")=username
s ^%zmgsi1(0,"password")=password
q 1
;
getunpw(username,password)
s username=$g(^%zmgsi1(0,"username"))
s password=$g(^%zmgsi1(0,"password"))
q 1
;
checkunpw(username,password)
n x,username1,password1
s x=$$getunpw(.username1,.password1)
i username1="",password1="" q 1
i username1'=username d event("access violation: bad username") q 0
i password1'=password d event("access violation: bad password") q 0
q 1
;
dbx(%zcs,ctx,cmnd,data,len,param) ; entry point from fixed binding
n %r,obufsize,idx,offset,rc,sort,res,ze,oref,type,utf16
new $ztrap set $ztrap="zgoto "_$zlevel_":dbxe^%zmgsis1"
s obufsize=$$dsize256($e(data,1,4))
s utf16=$s($a(data,5)=255:1,1:0)
s idx=$$dsize256($e(data,6,9))
k %r s offset=11 f %r=1:1 s %r(%r,0)=$$dsize256($e(data,offset,offset+3)) d i '$d(%r(%r)) s %r=%r-1 q
. s %r(%r,1)=$a(data,offset+4)\20,%r(%r,2)=$a(data,offset+4)#20 i %r(%r,1)=9 k %r(%r) q
. i %r(%r,1)=-1 k %r(%r) q
. s %r(%r)=$e(data,offset+5,offset+5+(%r(%r,0)-1))
. i $g(utf16) s %r(%r)=$$utf8in(%r(%r))
. s offset=offset+5+%r(%r,0)
. q
s %r(-1,"param")=param
s rc=$$dbxcmnd(.%r,.%oref,cmnd,.res,.utf16)
i rc=0 s sort=1 ; data
i rc=-1 s sort=11 ; error
s type=1 ; string
i $g(%r(1))="dbxweb^%zmgsis1",res=$c(255,255,255,255) q res
i $g(utf16) s res=$$utf8out(res)
s res=$$esize256($l(res))_$c((sort*20)+type)_res
q res
dbxe ; Error
s ze=$$error()
q -1
;
dbxnet(%zcs,buf) ; new wire protocol for access to M
n %oref,argc,cmnd,i,offset,ok,oref,pcmnd,port,pport,req,res,slen,sn,sort,type,uci,var,x,error
s uci=$p(buf,"~",2)
i uci'="" d uci(uci)
s %zcs("idle_timeout")=$p(buf,"~",3)+0
s res=$zv
s res=$$esize256($l(res))_"0"_res
d writem(.%zcs,res,1)
;d event("$j="_$j_" *** Initialise ***")
dbxnet1 ; request loop
s error="",data=""
i $d(%zcs("pwnd")) s len=$$getmsl() d &pwind.tcpreadmessage(.data,.len,.cmnd,0,.error) g dbxnet2
i '%zcs("idle_timeout") r head#5
i %zcs("idle_timeout") r head#5:%zcs("idle_timeout") i '$t d halt(.%zcs) ; idle timeout
s len=$$dsize256(head)-5,cmnd=$a($e(head,5))
i len>$$getmsl() s error="DB Server string size exceeded ("_$$getmsl()_")"
i len>0 r data#len
dbxnet2 ; request data received
;d event("$j="_$j_"; len="_len_"; cmnd="_$a(cmnd))
i error'="" s sort=11,type=1,res=$$esize256($l(res))_$c((sort*20)+type)_res d writem(.%zcs,res,1) d halt(.%zcs)
i cmnd=0 g dbxnet1
i len<1,cmnd=90 d writem(.%zcs,$$ping(""),1) g dbxnet1
i len<1 q
i $a(cmnd)=61 tstart s res=0,res=$$esize256($l(res))_$c(21)_res d writem(.%zcs,res,1) g dbxnet1
i $a(cmnd)=62 s res=$tlevel,res=$$esize256($l(res))_$c(21)_res d writem(.%zcs,res,1) g dbxnet1
i $a(cmnd)=63 tcommit s res=0,res=$$esize256($l(res))_$c(21)_res d writem(.%zcs,res,1) g dbxnet1
i $a(cmnd)=64 trollback s res=0,res=$$esize256($l(res))_$c(21)_res d writem(.%zcs,res,1) g dbxnet1
s res=$$dbx(.%zcs,0,cmnd,data,len,"")
d writem(.%zcs,res,1)
g dbxnet1
;
dbxcmnd(%r,%oref,cmnd,res,utf16) ; Execute command
n %io,buf,data,head,idx,len,obufsize,offset,rc,uci,data,sort,type,ok
new $ztrap set $ztrap="zgoto "_$zlevel_":dbxcmnde^%zmgsis1"
s res=""
; check options mask
i $d(%zcs(0)) s ok=1 d i 'ok q 0
. i $g(%zcs(0,1))=0,(((cmnd>10)&(cmnd<30))!((cmnd>100)&(cmnd<300))) s ok=0 q
. i $g(%zcs(0,2))=0,cmnd=31,$g(%r(1))'="dbxweb^%zmgsis1" s ok=0 q
. i $g(%zcs(0,3))=0,((cmnd>40)&(cmnd<60)) s ok=0 q
. i $g(%zcs(0,4))=0,cmnd=31,$g(%r(1))="dbxweb^%zmgsis1" s ok=0 q
. q
i cmnd=2 s res=0 q 0
i cmnd=3 s res=$$getuci() q 0
i cmnd=4 d uci($g(%r(1))) s res=$$getuci() q 0
i cmnd=11 s @($$dbxglo(%r(1))_$$dbxref(.%r,2,%r-1,0))=%r(%r),res=0 q 0
i cmnd=12 s res=$g(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0))) q 0
i cmnd=13 s res=$o(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0))) q 0
i cmnd=131 d q 0
. s res=$o(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0)))
. s data="" i res'="" s data=$g(^(res))
. s sort=1,type=1
. i $g(utf16) s res=$$utf8out(res),data=$$utf8out(data),utf16=0
. s res=$$esize256($l(res))_$c((sort*20)+type)_res_$$esize256($l(data))_$c((sort*20)+type)_data
. q
i cmnd=14 s res=$o(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0)),-1) q 0
i cmnd=141 d q 0
. s res=$o(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0)),-1)
. s data="" i res'="" s data=$g(^(res))
. s sort=1,type=1
. i $g(utf16) s res=$$utf8out(res),data=$$utf8out(data),utf16=0
. s res=$$esize256($l(res))_$c((sort*20)+type)_res_$$esize256($l(data))_$c((sort*20)+type)_data
. q
i cmnd=15 k @($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0)) s res=0 q 0
i cmnd=16 s res=$d(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r,0))) q 0
i cmnd=17 s res=$i(@($$dbxglo(%r(1))_$$dbxref(.%r,2,%r-1,0)),%r(%r)) q 0
i cmnd=20 d q 0
. n i1,i2,r1,r2