;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
;;======================================================================
;; Config file handling
;;======================================================================
;; (use regex regex-case matchable) ;; directory-utils)
;; (declare (unit configf))
;; (declare (uses process))
;; (declare (uses env))
;; (declare (uses keys))
;; (declare (uses debugprint))
;; (declare (uses mtargs))
;; (declare (uses mtargs.import))
;; (declare (uses common))
;; (declare (uses commonmod))
;; (declare (uses commonmod.import))
;; (declare (uses processmod))
;; (declare (uses processmod.import))
;; (declare (uses configfmod))
;; (declare (uses configfmod.import))
;; (declare (uses dbfile))
;; (declare (uses dbfile.import))
;; (declare (uses dbmod))
;; (declare (uses dbmod.import))
;; (declare (uses mtmod))
;; (declare (uses mtmod.import))
;; (declare (uses megatestmod))
;; (declare (uses megatestmod.import))
;;
;; (import commonmod
;; configfmod
;; processmod
;; (prefix mtargs args:)
;; debugprint
;; mtmod
;; )
;;
;; (include "common_records.scm")
(define configf:imports "(import commonmod configfmod processmod (prefix mtargs args:))")
(define (configf:process-line l ht allow-system #!key (linenum #f))
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd (case cmdsym
((scheme scm) (conc "(lambda (ht)(begin " configf:imports cmd "))"))
((system) (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
" (let ((extra \"" cmd "\"))"
" (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"
" (if (string-null? extra) \"\" \"/\")"
" extra)))"))
((get g)
(match (string-split cmd)
((sect var)(conc "(lambda (ht)(configf:lookup ht \"" sect "\" \"" var "\"))"))
(else
(debug:print-error 0 *default-log-port* "#{get ...} used with only one parameter, \"" cmd "\", two needed.")
"(lambda (ht) #f)")))
((runconfigs-get rget) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
;; ((rget) (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
(else "(lambda (ht)(print \"ERROR\") \"ERROR\")"))))
;; (print "fullcmd=" fullcmd)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "WARNING: failed to process config input \"" l "\", exn=" exn)
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
;; (print "exn=" (condition->list exn))
(set! result (conc "#{( " cmdtype ") " cmd "}, full expansion: " fullcmd)))
(if (or allow-system
(not (member cmdtype '("system" "shell" "sh"))))
(with-input-from-string fullcmd
(lambda ()
(set! result ((eval (read)) ht))))
(set! result (conc "#{(" cmdtype ") " cmd "}"))))
(case cmdsym
((system shell scheme)
(let ((delta (- (current-seconds) start-time)))
(if (> delta 2)
(debug:print-info 2 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)
(debug:print-info 9 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)))))
(loop (conc prestr result poststr)))
res))
res)))
;; this was inline but I'm pretty sure that is a hold over from when it was *very* simple ...
;;
(define (configf:read-line p ht allow-processing settings)
(let loop ((inl (read-line p)))
(let ((cont-line (and (string? inl)
(not (string-null? inl))
(equal? "\\" (string-take-right inl 1)))))
(if cont-line ;; last character is \
(let ((nextl (read-line p)))
(if (not (eof-object? nextl))
(loop (string-append (if cont-line
(string-take inl (- (string-length inl) 1))
inl)
nextl))))
(let ((res (case allow-processing ;; if (and allow-processing
;; (not (eq? allow-processing 'return-string)))
((#t #f)
(configf:process-line inl ht allow-processing))
((return-string)
inl)
(else
(configf:process-line inl ht allow-processing)))))
(if (and (string? res) ;; must set to "no" to force NOT trimming trailing spaces
(not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "yes") "no")))
(string-substitute "\\s+$" "" res)
res))))))
;; read a config file, returns hash table of alists
;; read a config file, returns hash table of alists
;; adds to ht if given (must be #f otherwise)
;; allow-system:
;; #f - do not evaluate [system
;; #t - immediately evaluate [system and store result as string
;; 'return-procs -- return a proc taking ht as an argument that may be evaulated at some future time
;; 'return-string -- return a string representing a proc taking ht as an argument that may be evaulated at some future time
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;; apply-wildcards: #t/#f - apply vars from targets with % wildcards to all matching sections
;;
(define (read-config path ht allow-system #!key (environ-patt #f) (curr-section #f)
(sections #f) (settings (make-hash-table)) (keep-filenames #f)
(post-section-procs '()) (apply-wildcards #t) )
(debug:print 9 *default-log-port* "START: " path)
;; (if *configdat*
;; (common:save-pkt `((action . read-config)
;; (f . ,(cond ((string? path) path)
;; ((port? path) "port")
;; (else (conc path))))
;; (T . configf))
;; *configdat* #t add-only: #t))
(if (and (not (port? path))
(not (common:file-exists? path))) ;; for case where we are handed a port
(begin
(debug:print-info 1 *default-log-port* "read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let ((inp (if (string? path)
(open-input-file path)
path)) ;; we can be handed a port
(res (if (not ht)(make-hash-table) ht))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f))
(process-wildcards (lambda (res curr-section-name)
(if (and apply-wildcards
(or (string-contains curr-section-name "%") ;; wildcard
(string-match "/.*/" curr-section-name))) ;; regex
(begin
(configf:apply-wildcards res curr-section-name)
(hash-table-delete! res curr-section-name)))))) ;; NOTE: if the section is a wild card it will be REMOVED from res
(let loop ((inl (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)) ;; (read-line inp))
(curr-section-name (if curr-section curr-section "default"))
(var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
(lead #f))
(debug:print-info 8 *default-log-port* "curr-section-name: " curr-section-name " var-flag: " var-flag "\n inl: \"" inl "\"")
(if (eof-object? inl)
(begin
;; process last section for wildcards
(process-wildcards res curr-section-name)
(if (string? path) ;; we received a path, not a port, thus we are responsible for closing it.
(close-input-port inp))
(if (list? sections) ;; delete all sections except given when sections is provided
(for-each
(lambda (section)
(if (not (member section sections))
(hash-table-delete! res section))) ;; we are using "" as a dumping ground and must remove it before returning the ht
(hash-table-keys res)))
(debug:print 9 *default-log-port* "END: " path)
res
) ;; retval
(regex-case
inl
(configf:comment-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name #f #f))
(configf:blank-l-rx _ (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name #f #f))
(configf:settings ( x setting val )
(begin
(hash-table-set! settings setting val)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name #f #f)))
(configf:include-rx ( x include-file )
(let* ((curr-conf-dir (pathname-directory path))
(full-conf (if (and (absolute-pathname? include-file) (file-exists? include-file))
include-file
(common:nice-path
(conc (if curr-conf-dir
curr-conf-dir
".")
"/" include-file)))))
(let ((all-matches (sort (handle-exceptions exn
(begin
(debug:print '(2 9) *default-log-port* "glob of " full-conf " gave no match. , exn=" exn)
(list))
(glob full-conf)) string<=?)))
(if (null? all-matches)
(begin
(debug:print '(2 9) #f "INFO: include file(s) matching " include-file " not found (called from " path ")")
(debug:print 2 *default-log-port* " " full-conf))
(for-each
(lambda (fpath)
;; (push-directory conf-dir)
(debug:print 9 *default-log-port* "Including: " full-conf)
(read-config fpath res allow-system environ-patt: environ-patt
curr-section: curr-section-name sections: sections settings: settings
keep-filenames: keep-filenames))
all-matches))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name #f #f))))
(configf:script-rx ( x include-script params);; handle-exceptions
;; exn
;; (begin
;; (debug:print '(0 2 9) #f "INFO: include from script " include-script " failed.")
;; (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(if (and (common:file-exists? include-script)(file-execute-access? include-script))
(let* ((local-allow-system (calc-allow-system allow-system curr-section-name sections))
(env-delta (configf:cfgdat->env-alist curr-section-name res local-allow-system))
(new-inp-port
(common:with-env-vars
env-delta
(lambda ()
(open-input-pipe (conc include-script " " params))))))
(debug:print '(2 9) *default-log-port* "Including from script output: " include-script)
;; (print "We got here, calling read-config next. Port is: " new-inp-port)
(read-config new-inp-port res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
(close-input-port new-inp-port)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(begin
(debug:print 0 *default-log-port* "Script not found or not exectutable: " include-script)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))
) ;; )
(configf:section-rx ( x section-name )
(begin
;; call post-section-procs
(for-each
(lambda (dat)
(let ((patt (car dat))
(proc (cdr dat)))
(if (string-match patt curr-section-name)
(proc curr-section-name section-name res path))))
post-section-procs)
;; after gathering the vars for a section and if apply-wildcards is true and if there is a wildcard in the section name process wildcards
;; NOTE: we are processing the curr-section-name, NOT section-name.
(process-wildcards res curr-section-name)
(if (not (hash-table-ref/default res section-name #f))(hash-table-set! res section-name '())) ;; ensure that mere mention of a section is not lost
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings)
;; if we have the sections list then force all settings into "" and delete it later?
;; (if (or (not sections)
;; (member section-name sections))
;; section-name "") ;; stick everything into "". NOPE: We need new strategy. Put stuff in correct sections and then delete all sections later.
section-name
#f #f)))
(configf:key-sys-pr ( x key cmd )
(if (calc-allow-system allow-system curr-section-name sections)
(let ((alist (hash-table-ref/default res curr-section-name '()))
(val-proc (lambda ()
(let* ((start-time (current-seconds))
(local-allow-system (calc-allow-system allow-system curr-section-name sections))
(env-delta (configf:cfgdat->env-alist curr-section-name res local-allow-system))
(cmdres (process:cmd-run->list cmd delta-env-alist-or-hash-table: env-delta)) ;; BB: here is where [system is exec'd. needs to have env from other vars!
(delta (- (current-seconds) start-time))
(status (cadr cmdres))
(res (car cmdres)))
(debug:print-info 4 *default-log-port* "" inl "\n => " (string-intersperse res "\n"))
(if (not (eq? status 0))
(begin
(debug:print-error 0 *default-log-port* "problem with " inl ", return code " status
" output: " cmdres)))
(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res)
(debug:print-info 9 *default-log-port* "for line \"" inl "\"\n command: " cmd " took " delta " seconds to run with output:\n " res))
(if (null? res)
""
(string-intersperse res " "))))))
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist
key
(case (calc-allow-system allow-system curr-section-name sections)
((return-procs) val-proc)
((return-string) cmd)
(else (val-proc)))
metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name #f #f)))
(configf:key-no-val ( x key val)
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(fval (or (if (string? val) val #f) ""))) ;; fval should be either "" or " " (one or more spaces)
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = #t")
(safe-setenv key fval)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist key fval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections)
settings)
curr-section-name key #f)))
(configf:key-val-pr ( x key unk1 val unk2 )
(let* ((alist (hash-table-ref/default res curr-section-name '()))
(envar (and environ-patt
(string-search (regexp environ-patt) curr-section-name) ;; does the section match the envionpatt?
(and (not (string-null? key))
(not (equal? "!" (substring key 0 1)))) ;; ! as leading character is a signature to NOT export to the environment
;; (string-match "^.*:.*:.*$" key) ;; ;; something:something:something reserved for triggers in runconfigs
))
(realval (if envar
(configf:eval-string-in-environment val)
val)))
(debug:print-info 6 *default-log-port* "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
(if envar (safe-setenv key realval))
(debug:print 10 *default-log-port* " setting: [" curr-section-name "] " key " = " val)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist key realval metadata: metapath))
(loop (configf:read-line inp res
(calc-allow-system allow-system curr-section-name sections) settings)
curr-section-name key #f)))
;; if a continued line
(configf:cont-ln-rx ( x whsp val )
(let ((alist (hash-table-ref/default res curr-section-name '())))
(if var-flag ;; if set to a string then we have a continued var
(let ((newval (conc
(configf:lookup res curr-section-name var-flag) "\n"
;; trim lead from the incoming whsp to support some indenting.
(if lead
(string-substitute (regexp lead) "" whsp)
"")
val)))
;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
(hash-table-set! res curr-section-name
(configf:assoc-safe-add alist var-flag newval metadata: metapath))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name var-flag (if lead lead whsp)))
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
(else (debug:print-error 0 *default-log-port* "problem parsing " path ",\n \"" inl "\"")
(set! var-flag #f)
(loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
) ;; end loop
)))
(define (setup)
(let* ((configf (find-config "megatest.config"))
(config (if configf (read-config configf #f #t) #f)))
(if config
(setenv "RUN_AREA_HOME" (pathname-directory configf)))
config))
;;======================================================================
;; refdb
;;======================================================================
;; reads a refdb into an assoc array of assoc arrays
;; returns (list dat msg)
(define (configf:read-refdb refdb-path)
(let ((sheets-file (conc refdb-path "/sheet-names.cfg")))
(if (not (common:file-exists? sheets-file))
(list #f (conc "ERROR: no refdb found at " refdb-path))
(if (not (file-read-access? sheets-file))
(list #f (conc "ERROR: refdb file not readable at " refdb-path))
(let* ((sheets (with-input-from-file sheets-file
(lambda ()
(let loop ((inl (read-line))
(res '()))
(if (eof-object? inl)
(reverse res)
(loop (read-line)(cons inl res)))))))
(data '()))
(for-each
(lambda (sheet-name)
(let* ((dat-path (conc refdb-path "/" sheet-name ".dat"))
(ref-dat (configf:read-file dat-path #f #t))
(ref-assoc (map (lambda (key)
(list key (hash-table-ref ref-dat key)))
(hash-table-keys ref-dat))))
;; (hash-table->alist ref-dat)))
;; (set! data (append data (list (list sheet-name ref-assoc))))))
(set! data (cons (list sheet-name ref-assoc) data))))
sheets)
(list data "NO ERRORS"))))))
;; redefines
(define config-lookup configf:lookup)
(define configf:read-file read-config)