/* 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; 20250919 fxc SPACEOUT; new DEIMBED; new BACKEND; 20251013 fxc new @LOGMSG; 20251017 fxc upgrade for MSGPARMS; */ 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 /* -*/ logpref = exec_name "("Branch( "ID" )")" call ZL_LOGMSG( exec_name "started by" Userid() yyyymmdd hhmmss ) call ZL_LOGMSG( logpref "Arg:" argline ) 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 msgparms = 'msglim log# log. ' 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 ? */ vblog.0 = "NEW CATALOG UNIT( SYSDA ) SPACE( 1 5 ) TRACKS", "RECFM( V B ) LRECL( 255 ) BLKSIZE( 0 )" vblog.1 = "MOD" /* if it already exists... */ logdsn = "@LOG."exec_name"."subid".LIST" if Sysdsn( logdsn ) = "OK" then, call ZL_LOGMSG( "-------------------" ) 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 */ dsstat = Sysdsn( logdsn ) = "OK" /* 1 if it exists */ "ALLOC FI( @LOG ) DA( " logdsn " ) REU" vblog.dsstat "EXECIO" log# "DISKW @LOG (STEM LOG. FINIS" "FREE FI( @LOG )" return /*@ ZB_SAVELOG */ /* . ----------------------------------------------------------------- */ ZL_LOGMSG: Procedure expose (tk_globalvars) (msgparms) /*@ */ 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 ) DIR( 40 )", "TRACKS 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 ) /* 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( '5d40'x,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" parse value KEYWD( "TRACE" ) "N" with tv . 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 . 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 */