/* REXX FIXDCB Fix a broken DSCB. Modeled after the original pre-1992 FIXDCB. Now with REXXSKEL and embedded panels. |**-***-***-***-***-***-***-***-***-***-***-***-***-***-***-***-**| | | | WARNING: EMBEDDED COMPONENTS. | | See text following TOOLKIT_INIT | | | |**-***-***-***-***-***-***-***-***-***-***-***-***-***-***-***-**| Use '(routine name) ?' for HELP-text. Written by Frank Clarke rexxhead@yahoo.com 19910701 Impact Analysis . SYSEXEC TRAPOUT Modification History 20240301 fxc redesign; REXXSKEL; add DSORG; 20240305 fxc align panel names; 20240308 fxc chg dollar-sign to @ everywhere; 20240405 fxc space out attribute section of panels; 20240415 fxc DUMP_QUEUE quiet; 20250515 fxc fix DEIMBED; 20250613 fxc add exec_name to logpref; */ arg argline address TSO /* REXXSKEL ver.20230722 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ rc = Trace("O"); rc = Trace(tv) info = parms /* to enable parsing */ call A_INIT /* -*/ call I_ISPF_OPS /* -*/ call ZB_SAVELOG /* -*/ if \sw.0nested then call DUMP_QUEUE 'quiet' /* -*/ exit /*@ FIXDCB */ /* Set DSN, ORG, RF, LR, and BLK needed for the panel. . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO parse var parms dsn parms if dsn = '' then do /* what? No DSN?? */ helpmsg = "DSN not specified." call HELP /* -*/ end call AL_SETUP_LOG /* -*/ if Left( dsn,1 ) = "'" then , dsn = Strip( dsn,,"'" ) /* unquoted */ else, dsn = Userid()"."dsn /* fully qualified */ x = LISTDSI( "'"dsn"' smsinfo directory norecall" ) if x > 0 then do say "'"dsn"'" say sysmsglvl1 say sysmsglvl2 exit end org = sysdsorg rf = sysrecfm lr = syslrecl blk = sysblksize logpref = exec_name "("Branch( "ID" )")" text = "Initial DCB: DSORG="org "RECFM="rf "LRECL="lr "BLKSZ="blk call ZL_LOGMSG( logpref text ) return /*@ A_INIT */ /* . ----------------------------------------------------------------- */ AL_SETUP_LOG: /*@ */ if branch then call BRANCH address TSO msglim = SYSVAR( "SYSWTERM" ) - 12 parse value "0 0 0 0 0" with, log# log. . parse value Date("S") Time("S") Time("N") with, yyyymmdd sssss hhmmss . hhmmss = Space( Translate( hhmmss,' ',':' ) ,0 ) parse var yyyymmdd 4 yrdigit 5 mm 7 dd /* 9 12 14 maybe */ if Pos(yrdigit,"13579") > 0 then mm = mm + 12 /* mm=24 */ logtag = Substr("ABCDEFGHIJKLMNOPQRSTUVWX",mm,1) /* logtag=X */ subid = logtag""dd""Left( hhmmss,4 ) /* X141743 ? */ vb255.0 = "NEW CATALOG UNIT(SYSDA) SPACE(1 5) TRACKS", "RECFM( V B ) LRECL( 255 ) BLKSIZE( 0 )" vb255.1 = "SHR" /* if it already exists... */ logdsn = "@LOG."exec_name"."subid".LIST" logpref = exec_name "("Branch( "ID" )")" call ZL_LOGMSG( exec_name "started by" Userid() yyyymmdd hhmmss ) call ZL_LOGMSG( logpref "Arg:" argline ) return /*@ AL_SETUP_LOG */ /* . ----------------------------------------------------------------- */ I_ISPF_OPS: /*@ */ if branch then call BRANCH address ISPEXEC call IA_LOAD_PANELS /* -*/ call ID_DISPLAY /* -*/ call IZ_EPILOG /* -*/ return /*@ I_ISPF_OPS */ /* . ----------------------------------------------------------------- */ IA_LOAD_PANELS: /*@ */ if branch then call BRANCH address ISPEXEC call DEIMBED /* -*/ dd = "" do Words(ddnlist) /* each LIBDEF DD */ parse value ddnlist dd with dd ddnlist @ddn = @ddn.dd /* PLIB322 <- PLIB */ "LIBDEF ISP"dd "LIBRARY ID("@ddn") STACK" end ddnlist = ddnlist dd return /*@ IA_LOAD_PANELS */ /* . ----------------------------------------------------------------- */ ID_DISPLAY: /*@ */ if branch then call BRANCH address ISPEXEC do forever init_pattern = Space( org rf lr blk,0 ) "DISPLAY PANEL( SHOWDCB )" if rc > 7 then leave chgd_pattern = Space( org rf lr blk,0 ) if init_pattern = chgd_pattern then do zerrsm = "PF3 to exit" zerrlm = "To exit without making any changes, use PF3." "SETMSG MSG( ISRZ002 )" end else leave /* a change was made */ end /* forever */ if init_pattern = chgd_pattern then return logpref = exec_name "("Branch( "ID" )")" text = "Final DCB: DSORG="org "RECFM="rf "LRECL="lr "BLKSZ="blk call ZL_LOGMSG( logpref text ) address TSO rc = Trace('O') ; rc = Trace( tv ) parse var rf f1 2 f2 3 f3 . rf = Space(f1 f2 f3,1) "ALLOC FI(SYSUT1) DA('NULLFILE') LRECL(" lr ")", "DSORG(" org ") BLKSIZE(" blk ") RECFM(" rf ") SHR REU" "ALLOC FI(SYSUT2) DA( '"dsn"' ) MOD REU" "ALLOC FI(SYSIN) DUMMY SHR REU" "ALLOC FI(SYSPRINT) DA(*) SHR REU" "IEBGENER" "FREE FI(SYSUT1 SYSUT2 SYSIN)" return /*@ ID_DISPLAY */ /* . ----------------------------------------------------------------- */ IZ_EPILOG: /*@ */ if branch then call BRANCH address ISPEXEC dd = "" do Words(ddnlist) /* each LIBDEF DD */ parse value ddnlist dd with dd ddnlist @ddn = @ddn.dd /* PLIB322 <- PLIB */ "LIBDEF ISP"dd address TSO "FREE FI("@ddn")" end ddnlist = ddnlist dd return /*@ IZ_EPILOG */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO return /*@ LOCAL_PREINIT */ /* subroutines below LOCAL_PREINIT are not selected by SHOWFLOW */ /* . ----------------------------------------------------------------- */ ZB_SAVELOG: /*@ */ if branch then call BRANCH address TSO if Symbol("LOG#") = "LIT" then return /* not yet set */ "ALLOC FI(@LOG) DA("logdsn") REU" vb255.0 "EXECIO" log# "DISKW @LOG (STEM LOG. FINIS" "FREE FI(@LOG)" return /*@ ZB_SAVELOG */ /* . ----------------------------------------------------------------- */ ZL_LOGMSG: Procedure expose, /*@ */ (tk_globalvars) log. log# msglim rc = Trace("O") address TSO parse arg msgtext /* for making the msgline always reasonably short: */ do while Length(msgtext) > msglim pt = LastPos(" ",msgtext,msglim) slug = Left(msgtext,pt) if monitor then say, slug parse value log#+1 slug with, zz log.zz 1 log# . msgtext = " "Substr(msgtext,pt) end /* while msglim */ parse value log#+1 msgtext with, zz log.zz 1 log# . if monitor then say, msgtext return /*@ ZL_LOGMSG */ /* Parse out the embedded components at the back of the source code. . ----------------------------------------------------------------- */ DEIMBED: Procedure expose, /*@ */ (tk_globalvars) ddnlist @ddn. daid. address TSO dlm = '5d5d5d'x /* three close-parens */ fb80po.0 = "NEW DELETE REU UNIT(SYSDA) SPACE(1 5) TRACKS DIR(40)", "RECFM(F B) LRECL(80) BLKSIZE(0)" fb80po.1 = "SHR REU" parse value "" with ddnlist @ddn. daid. lastln = sourceline() currln = lastln /* */ if Left(sourceline(currln),2) <> "*/" then return currln = currln - 1 /* previous line */ "NEWSTACK" address ISPEXEC do while Left( sourceline( currln ),2 ) <> "/*" text = sourceline(currln) /* save with a short name ! */ if Left( text,3 ) = dlm then do /* package the queue */ parse var text . ddn mbr . /* PLIB PANL001 maybe */ if length(ddn) > 4 then do /* data, not ISPF */ call DESPOOL /* -*/ currln = currln - 1 /* previous line */ iterate end if Pos(ddn,ddnlist) = 0 then do /* doesn't exist */ ddnlist = ddnlist ddn /* keep track */ @ddn = ddn || Random(999) /* PLIB322 maybe */ @ddn.ddn = @ddn /* @ddn.PLIB = PLIB322 */ address TSO "ALLOC FI("@ddn")" fb80po.0 "LMINIT DATAID(DAID) DDNAME("@ddn")" daid.ddn = daid end daid = daid.ddn "LMOPEN DATAID("daid") OPTION(OUTPUT)" do queued() parse pull line "LMPUT DATAID("daid") MODE(INVAR) DATALOC(LINE) DATALEN(80)" end "LMMADD DATAID("daid") MEMBER("mbr")" "LMCLOSE DATAID("daid")" end /* package the queue */ else push text /* onto the top of the stack */ currln = currln - 1 /* previous line */ end /* while */ address TSO "DELSTACK" return /* Subroutine of DEIMBED for non-ISPF data. Given: the stack, ddn, and mbr . ----------------------------------------------------------------- */ DESPOOL: /*@ */ if branch then call BRANCH address TSO if WordPos( ddn,ddnlist ) = 0 then, ddnlist = Space( ddnlist ddn,1 ) if Sysdsn(ddn".DATA") <> "OK" then, "ALLOC FI("ddn") DA("ddn".DATA)" fb80po.0 "ALLOC FI("ddn") DA("ddn".DATA("mbr")) SHR REU" "EXECIO" queued() "DISKW" ddn "(FINIS" "DELSTACK" "NEWSTACK" /* re-establish */ return /*@ DESPOOL */ return /*@ DEIMBED */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" if helpmsg <> "" then say helpmsg ex_nam = Left(exec_name,8) /* predictable size */ say " " say " "ex_nam" can fix a broken DSCB. On the primary panel, supply " say " DSORG, RECFM, LRECL, and BLKSIZE and the dataset will be " say " altered via IEBGENER to have the shape you specify. " say " " say " BEWARE ::: you can easily render that dataset unusable by " say " specifying incompatible attributes. " say " " say " Syntax: "ex_nam" dsn " say " " say " dsn is the dataset to be fixed. TSO-format: quoted if " say " fully-qualified. " say " " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " Debugging tools provided include: " say " " say " MONITOR: displays key information throughout processing. " say " " say " BRANCH: show all paragraph entries. " say " " say " TRACE tv: will use value following TRACE to place the execution " say " into REXX TRACE Mode. " say " " say " " say " Debugging tools can be accessed in the following manner: " say " " say " TSO "ex_nam" parameters (( debug-options " say " " say " For example: " say " " say " TSO "ex_nam" (( MONITOR TRACE ?R " if sysvar("SYSISPF") = "ACTIVE" then, address ISPEXEC "CONTROL DISPLAY REFRESH" exit /*@ HELP */ /* . ----------------------------------------------------------------- */ BRANCH: Procedure expose, /*@ */ sigl exec_name rc = trace("O") /* we do not want to see this */ arg brparm . origin = sigl /* where was I called from ? */ do currln = origin to 1 by -1 /* inch backward to label */ if Right(Word(Sourceline(currln),1),1) = ":" then do parse value sourceline(currln) with pgfname ":" . /* Label */ leave ; end /* name */ end /* currln */ select when brparm = "NAME" then return(pgfname) /* Return full name */ when brparm = "ID" then do /* wants the prefix */ parse var pgfname pgfpref "_" . /* get the prefix */ return(pgfpref) end /* brparm = "ID" */ otherwise say left(sigl,6) left(pgfname,40) exec_name "Time:" time("L") end /* select */ return /*@ BRANCH */ /* . ----------------------------------------------------------------- */ DUMP_QUEUE: /*@ Take whatever is in stack */ rc = trace("O") /* and write to the screen */ address TSO arg mode . "QSTACK" /* how many stacks? */ stk2dump = rc - tk_init_stacks /* remaining stacks */ if stk2dump = 0 & queued() = 0 then return if mode <> "QUIET" then, say "Total Stacks" rc , /* rc = #of stacks */ " Begin Stacks" tk_init_stacks , /* Stacks present at start */ " Excess Stacks to dump" stk2dump do dd = rc to tk_init_stacks by -1 /* empty each one. */ if mode <> "QUIET" then, say "Processing Stack #" dd " Total Lines:" queued() do queued();parse pull line;say line;end /* pump to the screen */ "DELSTACK" /* remove stack */ end /* dd = 1 to rc */ return /*@ DUMP_QUEUE */ /* Handle CLIST-form keywords added 20020513 . ----------------------------------------------------------------- */ CLKWD: Procedure expose info /*@ hide all except info */ arg kw kw = kw"(" /* form is 'KEY(DATA)' */ kw_pos = Pos(kw,info) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ rtpt = Pos(") ",info" ",kw_pos) /* locate end-paren */ slug = Substr(info,kw_pos,rtpt-kw_pos+1) /* isolate */ info = Delstr(info,kw_pos,rtpt-kw_pos+1) /* excise */ parse var slug (kw) slug /* drop kw */ slug = Reverse(Substr(Reverse(Strip(slug)),2)) return slug /*@CLKWD */ /* Handle multi-word keys 20020513 . ----------------------------------------------------------------- */ KEYWD: Procedure expose info /*@ hide all vars, except info*/ arg kw kw_pos = wordpos(kw,info) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ kw_val = word(info,kw_pos+Words(kw))/* get the next word */ info = Delword(info,kw_pos,2) /* remove both */ return kw_val /*@ KEYWD */ /* . ----------------------------------------------------------------- */ KEYPHRS: Procedure expose, /*@ */ info helpmsg exec_name /* except these three */ arg kp wp = wordpos(kp,info) /* where is it? */ if wp = 0 then return "" /* not found */ front = subword(info,1,wp-1) /* everything before kp */ back = subword(info,wp+1) /* everything after kp */ parse var back dlm back /* 1st token must be 2 bytes */ if length(dlm) <> 2 then /* Must be two bytes */ helpmsg = helpmsg, "Invalid length for delimiter("dlm") with KEYPHRS("kp")", info if wordpos(dlm,back) = 0 then /* search for ending delimiter*/ helpmsg = helpmsg, "No matching second delimiter("dlm") with KEYPHRS("kp")", info if helpmsg <> "" then call HELP /* Something is wrong */ parse var back kpval (dlm) back /* get everything b/w delim */ info = front back /* restore remainder */ return Strip(kpval) /*@ KEYPHRS */ /* . ----------------------------------------------------------------- */ NOVALUE: /*@ */ say exec_name "raised NOVALUE at line" sigl say " " say "The referenced variable is" condition("D") say " " zsigl = sigl signal SHOW_SOURCE /*@ NOVALUE */ /* . ----------------------------------------------------------------- */ SHOW_SOURCE: /*@ */ call DUMP_QUEUE /* Spill contents of stacks -*/ if sourceline() <> "0" then /* to screen */ say sourceline(zsigl) rc = trace("?R") nop exit /*@ SHOW_SOURCE */ /* . ----------------------------------------------------------------- */ SS: Procedure /*@ Show Source */ arg ssbeg ssend . if ssend = "" then ssend = 10 if \datatype(ssbeg,"W") | \datatype(ssend,"W") then return ssend = ssbeg + ssend do ssii = ssbeg to ssend ; say Strip(sourceline(ssii),'T') ; end return /*@ SS */ /* . ----------------------------------------------------------------- */ SWITCH: Procedure expose info /*@ */ arg kw sw_val = Wordpos(kw,info) > 0 /* exists = 1; not found = 0 */ if sw_val then /* exists */ info = Delword(info,Wordpos(kw,info),1) /* remove it */ return sw_val /*@ SWITCH */ /* . ----------------------------------------------------------------- */ SYNTAX: /*@ */ errormsg = exec_name "encountered REXX error" rc "in line" sigl":", errortext(rc) say errormsg zsigl = sigl signal SHOW_SOURCE /*@ SYNTAX */ /* Can call TRAPOUT. . ----------------------------------------------------------------- */ TOOLKIT_INIT: /*@ */ address TSO info = Strip( opts,'T','5d'x ) /* clip trailing paren */ parse source sys_id how_invokt exec_name DD_nm DS_nm, as_invokt cmd_env addr_spc usr_tokn parse value "" with tv helpmsg . parse value 0 "ISR00000 YES" "Error-Press PF1" with, sw. zerrhm zerralrm zerrsm if SWITCH("TRAPOUT") then do "TRAPOUT" exec_name parms "(( TRACE R" info exit end /* trapout */ sw.0nested = sysvar("SYSNEST") = "YES" sw.0batch = sysvar("SYSENV") = "BACK" sw.0inispf = sysvar("SYSISPF") = "ACTIVE" if Word(parms,1) = "?" then call HELP /* I won't be back */ "QSTACK" ; tk_init_stacks = rc /* How many stacks? */ parse value SWITCH("BRANCH") SWITCH("MONITOR") SWITCH("NOUPDT") with, branch monitor noupdt . parse value mvsvar("SYSNAME") sysvar("SYSNODE") with, #tk_cpu node . parse value KEYWD("TRACE") "N" with tv . tk_globalvars = "exec_name tv helpmsg sw. zerrhm zerralrm ", "zerrsm zerrlm tk_init_stacks branch monitor ", "noupdt" call LOCAL_PREINIT /* for more opts -*/ return /*@ TOOLKIT_INIT */ /* ISPF assets follow immediately ))) PLIB SHOWDCB Display the existing/reformed DCB )ATTR % TYPE( TEXT ) INTENS( HIGH ) SKIP( ON ) + TYPE( TEXT ) INTENS( LOW ) SKIP( ON ) _ TYPE( INPUT ) INTENS( LOW ) CAPS( ON ) @ TYPE( TEXT ) INTENS( HIGH ) COLOR( YELLOW ) ! TYPE( INPUT ) INTENS( HIGH ) CAPS( ON ) COLOR( WHITE ) # TYPE( OUTPUT ) INTENS( HIGH ) COLOR( WHITE ) )BODY EXPAND(||) WIDTH(&ZSCREENW) @|-|% DCB Display @|-| %COMMAND ===>_ZCMD %SCROLL ===>_ZAMT+ + + DSN ===>#dsn + + DSORG ===>!org + RECFM ===>!rf + LRECL ===>!lr + BLKSIZE ===>!blk + )INIT .HELP = SHOWDCBH )PROC )END ))) PLIB SHOWDCBH Help for SHOWDCB )ATTR % TYPE( TEXT ) INTENS( HIGH ) SKIP( ON ) + TYPE( TEXT ) INTENS( LOW ) SKIP( ON ) _ TYPE( INPUT ) INTENS( HIGH ) ! TYPE( OUTPUT ) INTENS( HIGH ) SKIP( ON ) @ TYPE( OUTPUT ) INTENS( LOW ) SKIP( ON ) )BODY EXPAND(||) WIDTH(&ZSCREENW) %TUTORIAL |-| DCB Display |-| TUTORIAL %Next Selection ===>_ZCMD + The existing DCB is shown initially. Make whatever changes are appropriate and press ENTER. The DCB will be altered (if possible) and the new DCB shown. )PROC &ZUP = SHOWSCBH &ZCONT = SHOWSCBH )END */