/* REXX DIRSTATS Read directory details directly and return via the stack. Use '(routine name) ?' for HELP-text. Written by (probably) Alastair Gray Impact Analysis . SYSEXEC TRAPOUT Modification History 20030707 fxc fixed problem of member-without-stats blowing up in BJ_JULCONV; 20210421 fxc rigged to do just one member 20230328 fxc if created/changed is blank, no conversion; 20230726 fxc adjust HELP; 20240412 fxc chgd format of output line (q.v.); 20240412 fxc change DUMP_QUEUE to quiet; 20241124 fxc allow multiple members; 20250123 fxc better HELP-text; 20250810 fxc adjust HELP; 20250812 fxc instructions for parsing DIRSTATS output follow BJ_JULCONV; add MONITORing; 20250918 fxc SPACEOUT; new BACKEND; */ arg argline address TSO /* REXXSKEL ver.20230722 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ if monitor then say "Argline:" argline rc = Trace( 'O' ); rc = trace( tv ) info = parms /* to enable parsing */ call A_INIT /* Initialization -*/ call B_SPIN_DIR /* Extract directory blocks -*/ if \sw.0nested then call DUMP_QUEUE 'quiet' /* -*/ exit 0 /*@ DIRSTATS */ /* Initialization . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO parse var info dsn mbr if dsn = "" then do helpmsg = "DSN is required." call HELP /* ...and don't come back -*/ end "Alloc Fi( PDS ) Da( "dsn" ) Shr Reuse ", "RECFM( F ) DSORG( PS ) LRECL( 256 ) BLKSIZE( 256 )" "ExecIO * DiskR PDS (Stem dir. Finis)" /* read PDS directory */ "FREE FI( PDS )" return /*@ A_INIT */ /* Read and interpret each directory block . ----------------------------------------------------------------- */ B_SPIN_DIR: /*@ */ bb_tv = trace() /* what setting at entry ? */ if branch then call BRANCH address TSO Do blk = 1 to dir.0 usedbytes = C2d( Substr( dir.blk,1,2 ) ) index = 3 /* skip past used bytes */ Do While index < usedbytes If Substr( dir.blk,index,8 ) = "FFFFFFFFFFFFFFFF"x Then return rc = Trace( "O" ); rc = trace( bb_tv ) pds2name = Substr( dir.blk,index,8 ) /* member name */ index = index + 11 /* skip past name and ttr */ pds2indc = Substr( dir.blk,index,1 ) len = Bitand( pds2indc,"1F"x ) /* isolate user data leng */ userlen = C2d( len ) * 2 /* halfwords to bytes */ call BI_ISOLATE_UDATA /* Interpret data -*/ index = index + userlen + 1 /* skip past user data */ End /* while */ End /* blk */ return /*@ B_SPIN_DIR */ /* Parse out all the datapoints for this member. If only a single member has been requested, this may be skipped for all other members. Queue the data. . ----------------------------------------------------------------- */ BI_ISOLATE_UDATA: /*@ */ if branch then call BRANCH address TSO if mbr <> "" then, if WordPos( pds2name,mbr ) = 0 then return /* not the member */ /* if pds2name <> mbr then return this is not the member */ userdata = Substr( dir.blk,index,userlen ) /* get userdata */ bits = x2b( C2x( Substr( userdata,1,1 ) ) ) if userdata <> "" then do If ( Substr( bits,1,1 ) = "1" ) Then Alias = "*Alias" Else Alias = Right( " ",6 ) vr = C2d( Substr( userdata,2,1 ) ) if vr > 0 then do parse var userdata , 3 mo 4, 6 created , 10 changed , 14 chnghrs , 15 chngmin , 16 size , 18 init , 20 mod , 22 id 30 mo = C2D( mo ) created = C2X( created ) date = Left( created,7 ) Call BJ_JULCONV created = date changed = C2X( changed ) date = Left( changed,7 ) Call BJ_JULCONV changed = date chnghrs = C2X( chnghrs ) chngmin = C2X( chngmin ) chngtim = chnghrs":"chngmin size = C2D( size ) init = C2D( init ) mod = C2D( mod ) end else parse value "Stats?" with alias vr mo created changed , chngtim size init mod id end /* userdata exists */ else parse value "Stats?" with alias vr mo created changed , chngtim size init mod id display = Right( vr,2,"0" )"."Right( mo,2,"0" ), Left( created,8 ) Left( changed,8 ), chngtim Right( size,5 ) Right( init,5 ), Right( mod,5 ) id If created = "" Then outp = pds2name alias Else outp = pds2name alias display queue outp if monitor then say "Queue:" outp /* mbr vv.mm cred chgd chgt size init mod uid */ return /*@ BI_ISOLATE_UDATA */ /* Date arrives as 0093224 or 0103187. The 2nd byte is the century: 0 = 19xx, 1 = 20xx. . ----------------------------------------------------------------- */ BJ_JULCONV: /* convert J to S */ if date = '' then return parse var date 2 cent 3 juldt date = Date( "S",juldt,"J" ) /* convert to S */ return /*@ BJ_JULCONV */ /* How to parse the output of DIRSTATS : Each line arrives as : mbr vv.mm cre-date chg-date chg-time size init mod uid may or may not be present. If present, it will be either '*ALIAS' OR 'STATS?' (shifted to uppercase). If '*ALIAS', stats for its main member may follow if such exists. If 'STATS?', the remainder of the line is blank. So... do queued() pull mbr stats /* may be first token */ parse var stats tag . if tag = '*ALIAS' then, parse value mbr'(*)' stats with, mbr . stats /* excise */ if tag = 'STATS?' then stats = '' parse var stats vv '.' mm crdate chdate chtime sz in mo uid crdate = Translate( 'CcYy/Mm/Dd',crdate,'CcYyMmDd' ) chdate = Translate( 'CcYy/Mm/Dd',chdate,'CcYyMmDd' ) end /* queued */ This makes the variables suitable for use by (e.g.:) UPOE. */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO return /*@ LOCAL_PREINIT */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" if helpmsg <> "" then say helpmsg ex_nam = Left( exec_name,8 ) /* predictable size */ say " " say " "ex_nam" reads the directory of a PDS or PDSE directly and queues " say " the translated data. This can be used to retrieve the " say " ISPF statistics for one or all members. " say " " say " Syntax: "ex_nam" dsn (Required)" say " mbr " say " " say " dsn a TSO-format datasetname to be examined. The " say " dataset should be PDS or PDSE. " say " " say " mbr the member to be displayed. If not specified, ALL " say " members are reported. " say " " say " For each member specified or implied, a line of data is returned on the" say " queue or displayed at the terminal. The returned line(s) are composed " say " of: " say ". mbrname vv.mm cre-date chg-date chg-time size init mod uid " say ". may or may not be present. If present, it will be either " say " '*Alias' or 'Stats?' and may be shifted to uppercase. " "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 " say " execution in 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" (( trace ?r branch " 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 */