Megatest

 s11n
 sparse-vectors
 spiffy
 spiffy-directory-listing
 spiffy-request-vars
 sql-de-lite
 srfi-1
 srfi-4
 srfi-13
 srfi-18
 srfi-69
 stack
 stml2
 tcp
 typed-records

(include "http-transport-inc.scm")
(include "items-inc.scm")
(include "keys-inc.scm")
(include "launch-inc.scm")
(include "margs-inc.scm")
(include "mt-inc.scm")
(include "ods-inc.scm")
(include "pgdb-inc.scm")
(include "process-inc.scm")
(include "rmt-inc.scm")
(include "runconfig-inc.scm")
(include "runs-inc.scm")
(include "server-inc.scm")
(include "subrun-inc.scm")
(include "tasks-inc.scm")
(include "tests-inc.scm")
(include "vg-inc.scm")

)
;; http-transport:server-dat definition moved to common_records.scm
;; bunch of small functions factored out of send-receive to make debug easier

;;======================================================================
;; Copyright 2017, 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/>.

;;======================================================================

;; I don't know how to mix compilation units and modules, so no module here.
;;
;; (module pgdb
;;     (
;;      open-pgdb
;;      )
;; 
;; (import scheme)
;; (import data-structures)
;; (import chicken)

;; given a configdat lookup the connection info and open the db
;;
(define (pgdb:open configdat #!key (dbname #f)(dbispec #f))  
  (let ((pgconf (or dbispec
		    (args:get-arg "-pgsync")
		    (if configdat
			(configf:lookup configdat "ext-sync" (or dbname "pgdb"))
			#f)
		    )))
    (if pgconf
	(let* ((confdat (map (lambda (conf-item)
			       (let ((parts (string-split conf-item ":")))
				 (if (> (length parts) 1)
				     (let ((key (car parts))
					   (val (cadr parts)))
				       (cons (string->symbol key) val))
				     (begin
				       (print "ERROR: Bad config setting " conf-item ", should be key:val")
				       `(,(string->symbol (car parts)) . #f)))))
			     (string-split pgconf)))
	       (dbtype   (string->symbol (or (alist-ref 'dbtype confdat) "pg"))))
	  (if (alist-ref 'dbtype confdat)
	      (dbi:open dbtype (alist-delete 'dbtype confdat))))
	#f)))

;;======================================================================
;;  A R E A S
;;======================================================================

(defstruct area id area-name area-path last-update)

(define (pgdb:add-area dbh area-name area-path)
  (dbi:exec dbh "INSERT INTO areas (area_name,area_path) VALUES (?,?)" area-name area-path))

(define (pgdb:get-areas dbh)
  ;; (map
  ;;  (lambda (row)
  ;;    (print "row: " row))
  (dbi:get-rows dbh "SELECT id,area_name,area_path,last_sync FROM areas;")) ;; )

;; given an area_path get the area info
;;
(define (pgdb:get-area-by-path dbh area-path)
  (dbi:get-one-row dbh "SELECT id,area_name,area_path,last_sync FROM areas WHERE area_path=?;" area-path))

(define (pgdb:write-sync-time dbh area-info new-sync-time)
  (let ((area-id (vector-ref area-info 0)))
    (dbi:exec dbh "UPDATE areas SET last_sync=? WHERE id=?;" new-sync-time area-id)))

;;======================================================================
;;  T A R G E T S
;;======================================================================

;; Given a target-spec, return the id. Should probably handle this with a join...
;; if target-spec not found, create a record for it.
;;
(define (pgdb:get-ttype dbh target-spec)
  (let ((spec-id (dbi:get-one dbh "SELECT id FROM ttype WHERE target_spec=?;" target-spec)))
    (or spec-id
	(if (handle-exceptions
		exn
		(begin
		  (print-call-chain)
		  (debug:print 0 *default-log-port* "ERROR: cannot create ttype entry, " ((condition-property-accessor 'exn 'message) exn))
		  #f)
	      (dbi:exec dbh "INSERT INTO ttype (target_spec) VALUES (?);" target-spec))
	    (pgdb:get-ttype dbh target-spec)))))

;;======================================================================
;;  T A G S
;;======================================================================


(define (pgdb:get-tag-info-by-name dbh tag)
  (dbi:get-one-row dbh "SELECT id,tag_name FROM tags where tag_name=?;" tag))

(define (pgdb:insert-tag dbh name )
  (dbi:exec dbh "INSERT INTO tags (tag_name) VALUES (?)" name ))

(define (pgdb:insert-area-tag dbh tag-id area-id )
  (dbi:exec dbh "INSERT INTO area_tags (tag_id, area_id) VALUES (?,?)" tag-id area-id ))

(define (pgdb:insert-run-tag dbh tag-id run-id )
  (dbi:exec dbh "INSERT INTO run_tags (tag_id, run_id) VALUES (?,?)" tag-id run-id ))


(define (pgdb:is-area-taged dbh area-id)
   (let ((area-tag-id (dbi:get-one dbh "SELECT id FROM area_tags WHERE area_id=?;" area-id)))
   (if area-tag-id 
           #t
            #f)))

(define (pgdb:is-area-taged-with-a-tag dbh   tag-id area-id)
   (let ((area-tag-id (dbi:get-one dbh "SELECT id FROM area_tags WHERE area_id=? and tag_id=?;" area-id tag-id)))
   (if area-tag-id 
           #t
            #f)))

(define (pgdb:is-run-taged-with-a-tag dbh   tag-id run-id)
   (let ((run-tag-id (dbi:get-one dbh "SELECT id FROM run_tags WHERE run_id=? and tag_id=?;" run-id tag-id)))
   (if run-tag-id 
           #t
            #f)))



;;======================================================================
;;  R U N S
;;======================================================================

;; given a target spec id, target and run-name return the run-id
;; if no run found return #f
;;
(define (pgdb:get-run-id dbh spec-id target run-name area-id)
  (dbi:get-one dbh "SELECT id FROM runs WHERE ttype_id=? AND target=? AND run_name=? and area_id=?;"
	       spec-id target run-name area-id))

;; given a target spec id, target and run-name return the run-id
;; if no run found return #f
;;
(define (pgdb:get-run-last-update dbh id )
  (dbi:get-one dbh "SELECT last_update FROM runs WHERE id=?;"
	        id))

;; given a run-id return all the run info
;;
(define (pgdb:get-run-info dbh run-id ) ;; to join ttype or not?
  (dbi:get-one-row
   dbh   ;; 0    1       2       3      4     5      6       7        8         9         10          11         12
   "SELECT id,target,ttype_id,run_name,state,status,owner,event_time,comment,fail_count,pass_count,last_update,area_id
       FROM runs WHERE id=? ;" run-id ))

;; refresh the data in a run record
;;
(define (pgdb:refresh-run-info dbh run-id state status owner event-time comment fail-count pass-count area-id last_update publish-time) ;; area-id)
  (dbi:exec
   dbh
   "UPDATE runs SET
      state=?,status=?,owner=?,event_time=?,comment=?,fail_count=?,pass_count=?,last_update=?,publish_time=?  
     WHERE id=? and area_id=?;"
   state status owner event-time comment fail-count pass-count last_update publish-time run-id area-id ))

;; given all needed info create run record
;;
(define (pgdb:insert-run dbh ttype-id target run-name state status owner event-time comment fail-count pass-count area-id last-update publish-time)
    (dbi:exec
   dbh
   "INSERT INTO runs (ttype_id,target,run_name,state,status,owner,event_time,comment,fail_count,pass_count,area_id,last_update,publish_time)
      VALUES (?,?,?,?,?,?,?,?,?,?,?,?, ?);"
    ttype-id target run-name state status owner event-time comment fail-count pass-count area-id last-update publish-time))

;;======================================================================
;;  T E S T - S T E P S
;;======================================================================

(define (pgdb:get-test-step-id dbh test-id stepname state)
  (dbi:get-one
    dbh
    "SELECT id FROM test_steps WHERE test_id=? AND stepname=? and state = ? ;"
    test-id stepname state))

(define (pgdb:get-test-step-last-update dbh id )
  (dbi:get-one
    dbh
    "SELECT last_update FROM test_steps WHERE id=? ;"
    id))

(define (pgdb:insert-test-step dbh test-id stepname state status event_time comment logfile last-update )
  (dbi:exec
   dbh
   "INSERT INTO test_steps (test_id,stepname,state,status,event_time,logfile,comment,last_update)
       VALUES (?,?,?,?,?,?,?,? );"
   test-id stepname  state   status  event_time   logfile   comment last-update))

(define (pgdb:update-test-step dbh step-id test-id stepname state status event_time comment logfile last-update)
  (dbi:exec
    dbh
    "UPDATE test_steps SET
         test_id=?,stepname=?,state=?,status=?,event_time=?,logfile=?,comment=?,last_update=?
          WHERE id=?;"
    test-id stepname  state   status  event_time   logfile   comment last-update step-id))


;;======================================================================
;;  T E S T - D A T A
;;======================================================================

(define (pgdb:get-test-data-id dbh test-id category variable)
  (dbi:get-one
    dbh
    "SELECT id FROM test_data WHERE test_id=? AND category=? and variable = ? ;"
    test-id category variable))

(define (pgdb:get-test-data-last-update dbh test-data-id )
  (dbi:get-one
    dbh
    "SELECT last_update FROM test_data WHERE id=? ;"
    test-data-id))

(define (pgdb:insert-test-data dbh test-id category variable value expected tol units comment status type last-update)
 ; (print "INSERT INTO test_data (test_id, category, variable, value, expected, tol, units, comment, status, type)
 ;      VALUES (?,?,?,?,?,?,?,?,?,?) " test-id " " category " " variable " " value " "  expected " "  tol " "  units " " comment  " " status  " " type)
  (if (not (string? units))
      (set! units "" ))
  (if (not (string? variable))
      (set! variable "" ))
  (if (not (real? value))
      (set! value 0 ))
  (if (not (real? expected))
      (set! expected 0  ))
(if (not (real? tol))
      (set! tol 0  ))

  (dbi:exec
   dbh
   "INSERT INTO test_data (test_id, category, variable, value, expected, tol, units, comment, status, type, last_update)
       VALUES (?,?,?,?,?,?,?,?,?,?, ?);"
   test-id category variable value expected tol units comment status type last-update))

(define (pgdb:update-test-data dbh data-id test-id  category variable value expected tol units comment status type last-update)
  (dbi:exec
    dbh
    "UPDATE test_data SET
         test_id=?, category=?, variable=?, value=?, expected=?, tol=?, units=?, comment=?, status=?, type=?, last_update=?
          WHERE id=?;"
    test-id category variable value expected tol units comment status type last-update data-id ))



;;======================================================================
;;  T E S T S
;;======================================================================

;; given run-id, test_name and item_path return test-id
;;
(define (pgdb:get-test-id dbh run-id test-name item-path)
  (dbi:get-one
   dbh
   "SELECT id FROM tests WHERE run_id=? AND test_name=? AND item_path=?;"
   run-id test-name item-path))

(define (pgdb:get-test-last-update dbh id)
  (dbi:get-one
   dbh
   "SELECT last_update FROM tests WHERE id=? ;"
   id ))


;; create new test record
;;
(define (pgdb:insert-test dbh run-id test-name item-path state status host cpuload diskfree uname run-dir log-file run-duration comment event-time archived last-update pid)
  (dbi:exec
   dbh
   "INSERT INTO tests (run_id,test_name,item_path,state,status,host,cpuload,diskfree,uname,rundir,final_logf,run_duration,comment,event_time,archived,last_update,attemptnum)
       VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?);"

   run-id  test-name item-path    state   status     host  cpuload diskfree uname
   run-dir log-file  run-duration comment event-time archived last-update pid))

;; update existing test record
;;
(define (pgdb:update-test dbh test-id run-id test-name item-path state status host cpuload diskfree uname run-dir log-file run-duration comment event-time archived last-update pid)
  (dbi:exec
   dbh
   "UPDATE tests SET
      run_id=?,test_name=?,item_path=?,state=?,status=?,host=?,cpuload=?,diskfree=?,uname=?,rundir=?,final_logf=?,run_duration=?,comment=?,event_time=?,archived=?,last_update=?,attemptnum=?
    WHERE id=?;"

   run-id  test-name item-path    state   status     host  cpuload diskfree uname
   run-dir log-file  run-duration comment event-time archived last-update pid test-id))

(define (pgdb:get-tests dbh target-patt)
  (dbi:get-rows
   dbh
   "SELECT t.id,t.run_id,t.test_name,t.item_path,t.state,t.status,t.host,t.cpuload,t.diskfree,t.uname,t.rundir,t.final_logf,t.run_duration,t.comment,t.event_time,t.archived,
           r.id,r.target,r.ttype_id,r.run_name,r.state,r.status,r.owner,r.event_time,r.comment
     FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
      WHERE r.target LIKE ?;" target-patt))

(define (pgdb:get-stats-given-type-target dbh ttype-id target-patt)
  (dbi:get-rows
   dbh
   ;;    "SELECT COUNT(t.id),t.status,r.target FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
   ;;         WHERE t.state='COMPLETED' AND ttype_id=? AND r.target LIKE ? GROUP BY r.target,t.status;"
   "SELECT r.target,COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE t.state='COMPLETED' AND ttype_id=? AND r.target LIKE ? GROUP BY r.target;"
   ttype-id target-patt))

(define (pgdb:get-stats-given-target dbh target-patt)
  (dbi:get-rows
   dbh
   ;;    "SELECT COUNT(t.id),t.status,r.target FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
   ;;         WHERE t.state='COMPLETED' AND ttype_id=? AND r.target LIKE ? GROUP BY r.target,t.status;"
   "SELECT r.target,COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE t.state='COMPLETED' AND r.target LIKE ? GROUP BY r.target;"
   target-patt))


(define (pgdb:get-latest-run-stats-given-target dbh ttype-id target-patt limit offset)
  (dbi:get-rows
   dbh
   ;;    "SELECT COUNT(t.id),t.status,r.target FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
   ;;         WHERE t.state='COMPLETED' AND ttype_id=? AND r.target LIKE ? GROUP BY r.target,t.status;"
   "SELECT r.target, r.event_time, COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other, r.id
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE t.state like '%'  AND ttype_id=? AND r.target LIKE ? 
                 and r.id in 
           (SELECT DISTINCT on (target) id from runs where target like ? AND ttype_id=? order by target,event_time desc) 
          GROUP BY r.target,r.id 
          order by r.event_time desc limit ? offset ? ;"
   ttype-id target-patt target-patt ttype-id limit offset))

(define (pgdb:get-latest-run-stats-given-pattern dbh patt limit offset)
  (dbi:get-rows
   dbh
   ;;    "SELECT COUNT(t.id),t.status,r.target FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
   ;;         WHERE t.state='COMPLETED' AND ttype_id=? AND r.target ILIKE ? GROUP BY r.target,t.status;"
   "SELECT r.target, r.event_time, COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other, r.id
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE t.state like '%'  AND r.target ILIKE ? 
                 and r.id in 
           (SELECT DISTINCT on (target) id from runs where target ilike ?  order by target,event_time desc) 
          GROUP BY r.target,r.id 
          order by r.event_time desc limit ? offset ? ;"
   patt patt  limit offset))


(define (pgdb:get-count-data-stats-target-latest dbh ttype-id target-patt)
  (dbi:get-rows
   dbh
    "SELECT count(*)  from 
          (SELECT DISTINCT on (target) id 
		from runs where target like ? AND ttype_id = ? 
		order by target, event_time desc
          ) as x;" 
    target-patt ttype-id))

(define  (pgdb:get-latest-run-cnt dbh ttype-id target-patt)
  (let* ((cnt-result (pgdb:get-count-data-stats-target-latest dbh ttype-id target-patt))
         ;(cnt-row (car (cnt-result)))
         (cnt 0) 
       )
    (for-each
     (lambda (row)
      (set! cnt  (vector-ref row 0 ))) 
     cnt-result)

cnt))

(define (pgdb:get-count-data-stats-latest-pattern dbh patt)
  (dbi:get-rows
   dbh
    "SELECT count(*)  from 
          (SELECT DISTINCT on (target) id 
		from runs where target ilike ?  
		order by target, event_time desc
          ) as x;" 
    patt))

(define  (pgdb:get-latest-run-cnt-by-pattern dbh target-patt)
  (let* ((cnt-result (pgdb:get-count-data-stats-latest-pattern dbh target-patt))
         ;(cnt-row (car (cnt-result)))
         (cnt 0) 
       )
    (for-each
     (lambda (row)
      (set! cnt  (vector-ref row 0 ))) 
     cnt-result)

cnt))





(define (pgdb:get-run-stats-history-given-target dbh ttype-id target-patt)
  (dbi:get-rows
   dbh
   ;;    "SELECT COUNT(t.id),t.status,r.target FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
   ;;         WHERE t.state='COMPLETED' AND ttype_id=? AND r.target LIKE ? GROUP BY r.target,t.status;"
   "SELECT r.run_name,COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE t.state like '%'  AND ttype_id=? AND r.target LIKE ? 
                 GROUP BY r.run_name;"
   ttype-id target-patt ))

(define (pgdb:get-all-run-stats-target-slice dbh target-patt limit offset)
    (dbi:get-rows
    dbh
    "SELECT  r.target, r.run_name,r.event_time, COUNT(*) AS total,
                    SUM(CASE WHEN t.status='PASS' THEN 1 ELSE 0 END) AS pass,
                    SUM(CASE WHEN t.status='FAIL' THEN 1 ELSE 0 END) AS fail,
                    SUM(CASE WHEN t.status IN ('PASS','FAIL') THEN 0 ELSE 1 END) AS other
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE r.target LIKE ? 
            GROUP BY r.target,r.run_name, r.event_time
             order by r.target,r.event_time desc limit  ? offset ?   ;"
    target-patt limit offset))
     

(define (pgdb:get-count-data-stats-target-slice dbh target-patt)
  (dbi:get-rows
   dbh
    "SELECT count(*)  from (SELECT  r.target, r.run_name,r.event_time, COUNT(*) AS total
            FROM tests AS t INNER JOIN runs AS r ON t.run_id=r.id
            WHERE r.target LIKE ?
            GROUP BY r.target,r.run_name, r.event_time 
          ) as x;" 
    target-patt))

(define  (pgdb:get-slice-cnt dbh target-patt)
  (let* ((cnt-result (pgdb:get-count-data-stats-target-slice dbh target-patt))
         ;(cnt-row (car (cnt-result)))
         (cnt 0) 
       )
    (for-each
     (lambda (row)
      (set! cnt  (vector-ref row 0 ))) 
     cnt-result)

cnt))
   

(define (pgdb:get-target-types dbh)
  (dbi:get-rows dbh "SELECT id,target_spec FROM ttype;"))
 
 (define (pgdb:get-distict-target-slice dbh)
  (dbi:get-rows dbh " select distinct on (split_part (target, '/', 1)) (split_part (target, '/', 1)) from runs;"))

  (define (pgdb:get-distict-target-slice3 dbh)
  (dbi:get-rows dbh " select distinct on (split_part (target, '/', 3)) (split_part (target, '/', 3)) from runs;"))
;; 
(define (pgdb:get-targets dbh target-patt)
  (let ((ttypes (pgdb:get-target-types dbh)))
    (map
     (lambda (ttype-dat)
       (let ((tt-id (vector-ref ttype-dat 0))
	     (ttype (vector-ref ttype-dat 1)))
	 (cons ttype
	       (dbi:get-rows 
		dbh
		"SELECT DISTINCT target FROM runs WHERE target LIKE ? AND ttype_id=?;" target-patt tt-id))
	 ))
     ttypes)))

(define (pgdb:get-targets-of-type dbh ttype-id target-patt)
  (dbi:get-rows dbh "SELECT DISTINCT target FROM runs WHERE target LIKE ? AND ttype_id=?;" target-patt ttype-id))

(define (pgdb:get-runs-by-target dbh targets run-patt)
   (dbi:get-rows dbh "SELECT r.run_name, t.test_name, t.status, t.item_path, t.id, t.rundir, t.final_logf FROM runs as r INNER JOIN tests AS t ON t.run_id=r.id  
                          WHERE t.state='COMPLETED' AND r.target like ? AND  r.run_name like ?;" targets run-patt)
)

(define (pgdb:get-test-by-id dbh id)
  (dbi:get-rows dbh "SELECT t.test_name, t.item_path, t.rundir, t.final_logf FROM runs as r INNER JOIN tests AS t ON t.run_id=r.id  
                          WHERE t.id = ?;" id)
)

;;======================================================================
;;  V A R I O U S   D A T A   M A S S A G E   R O U T I N E S
;;======================================================================

;; probably want to move these to a different model file

;; create a hash of hashes with keys extracted from all-parts
;; using row-or-col to choose row or column
;;   ht{row key}=>ht{col key}=>data
;;
;; fnum is the field number in the tuples to be split
;;

(define (pgdb:mk-pattern  dot type bp rel)
  (let* ((typ (if (equal? type "all")
               "%"
                type))
        (dotprocess (if (equal? dot "all")
                      "%"
                     dot))
        (rel-num (if (equal? rel "")
                      "%"
                     rel))
        (pattern  (conc "%/" bp "/" dotprocess "/" typ "_" rel-num)))
pattern))

(define (pgdb:coalesce-runs dbh runs all-parts row-or-col fnum)
  (let* ((data  (make-hash-table)))
    
    (for-each
     (lambda (run)
       (let* ((target (vector-ref run fnum))
	      (parts  (string-split target "/"))
	      (first  (car parts))
	      (rest   (string-intersperse (cdr parts) "/"))
	      (coldat (hash-table-ref/default data first #f)))
	 (if (not coldat)(let ((newht (make-hash-table)))
			   (hash-table-set! data first newht)
			   (set! coldat newht)))
	 (hash-table-set! coldat rest run)))
     runs)
    data))


(define (pgdb:coalesce-runs1 runs  )
  (let* ((data  (make-hash-table)))
    
    (for-each
     (lambda (run)
       (let* ((target (vector-ref run 0))
	      (parts  (string-split target "/"))
	      (first  (car parts))
	      (rest   (string-intersperse (cdr parts) "/"))
	      (coldat (hash-table-ref/default data first #f)))
	 (if (not coldat)(let ((newht (make-hash-table)))
			   (hash-table-set! data first newht)
			   (set! coldat newht)))
	 (hash-table-set! coldat rest run)))
     runs)
    data))

;; given ordered data hash return a-keys
;;
(define (pgdb:ordered-data->a-keys ordered-data)
  (sort (hash-table-keys ordered-data) string>=?))

;; given ordered data hash return b-keys
;;
(define (pgdb:ordered-data->b-keys ordered-data a-keys)
  (delete-duplicates
   (sort (apply
	  append
	  (map (lambda (sub-key)
		 (let ((subdat (hash-table-ref ordered-data sub-key)))
		   (hash-table-keys subdat)))
	       a-keys))
	 string>=?)))

;; given ordered data hash return a-keys
;;
(define (pgdb:ordered-data->a-keys ordered-data)
  (sort (hash-table-keys ordered-data) string>=?))

;; given ordered data hash return b-keys
;;
(define (pgdb:ordered-data->b-keys ordered-data a-keys)
  (delete-duplicates
   (sort (apply
	  append
	  (map (lambda (sub-key)
		 (let ((subdat (hash-table-ref ordered-data sub-key)))
		   (hash-table-keys subdat)))
	       a-keys))
	 string>=?)))

(define (pgdb:coalesce-runs-by-slice runs slice)
  (let* ((data  (make-hash-table)))
      (for-each
     (lambda (run)
       (let* ((target (vector-ref run 0))
              (run-name (vector-ref run 1))    
	      (parts  (string-split target "/"))
	      (first  (car parts))
	      (rest   (string-intersperse (cdr parts) "/"))
	      (coldat (hash-table-ref/default data rest #f)))
	 (if (not coldat)(let ((newht (make-hash-table)))
			   (hash-table-set! data rest newht)
			   (set! coldat newht)))
	 (hash-table-set! coldat run-name run)))
     runs)
    data))


(define (pgdb:runs-to-hash runs )
  (let* ((data  (make-hash-table)))
    (for-each
     (lambda (run)
       (let* ((run-name (vector-ref run 0))
	      (test (conc (vector-ref run 1) ":" (vector-ref run 3)))
	      (coldat (hash-table-ref/default data run-name #f)))
	 (if (not coldat)(let ((newht (make-hash-table)))
			   (hash-table-set! data run-name newht)
			   (set! coldat newht)))
	 (hash-table-set! coldat test run)))
     runs)
    data))

(define (pgdb:get-history-hash runs)
  (let* ((data  (make-hash-table)))
     (for-each
     (lambda (run)
       (let* ((run-name (vector-ref run 0)))
	 (hash-table-set! data run-name run)))
     runs)
    data))

(define (pgdb:get-pg-lst tab2-pages)
    (let loop ((i 1)
             (lst `()))
                       (cond
                        ((> i tab2-pages )
                        lst) 
                      (else 
		  	(loop (+ i 1) (append   lst (list i)))))))

	 (read-only      (not (file-write-access? db-file-path)))
	 (start          (current-milliseconds))
	 (resdat         (if (not (and read-only qry-is-write))
			     (let ((v (api:execute-requests dbstruct-local (vector (symbol->string cmd) params))))
			       (handle-exceptions ;; there has been a long history of receiving strange errors from values returned by the client when things go wrong..
				exn               ;;  This is an attempt to detect that situation and recover gracefully
				(begin
				  (debug:print 0 *default-log-port* "ERROR: bad data from server " v " message: "  ((condition-property-accessor 'exn 'message) exn))
				  (vector #t '())) ;; should always get a vector but if something goes wrong return a dummy
				(if (and (vector? v)
					 (> (vector-length v) 1))
				    (let ((newvec (vector (vector-ref v 0)(vector-ref v 1))))
				      newvec)           ;; by copying the vector while inside the error handler we should force the detection of a corrupted record
				    (vector #t '()))))  ;; we could also check that the returned types are valid
			     (vector #t '())))

	(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
	(print-call-chain (current-error-port))
	#f)))

(define (rmt:test-get-rundir-from-test-id run-id test-id)
  (rmt:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))

#;(define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
  (let* ((test-path (if (string? work-area)
			work-area
			(rmt:test-get-rundir-from-test-id run-id test-id))))
    (debug:print 3 *default-log-port* "TEST PATH: " test-path)
    (open-test-db test-path)))

;; WARNING: This currently bypasses the transaction wrapped writes system

(define (rmt:test-set-archive-block-id run-id test-id archive-block-id)
  (rmt:send-receive 'test-set-archive-block-id run-id (list run-id test-id archive-block-id)))

(define (rmt:test-get-archive-block-info archive-block-id)
  (rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))

#;(set-functions rmt:send-receive                       remote-server-url-set!
	       http-transport:close-connections	      remote-conndat-set!
	       debug:print                            debug:print-info
	       remote-ro-mode                         remote-ro-mode-set!
	       remote-ro-mode-checked-set!            remote-ro-mode-checked)

(define (rmtmod:calc-ro-mode runremote *toppath*)
  (if (and runremote
	   (remote-ro-mode-checked runremote))
      (remote-ro-mode runremote)
      (let* ((dbfile  (conc *toppath* "/megatest.db"))
	     (ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
	(if runremote
	    (begin
	      (remote-ro-mode-set! runremote ro-mode)
	      (remote-ro-mode-checked-set! runremote #t)
	      ro-mode)
	    ro-mode))))

(define (extras-readonly-mode rmt-mutex log-port cmd params)
  (mutex-unlock! rmt-mutex)
  (debug:print-info 12 log-port "rmt:send-receive, case 3")
  (debug:print 0 log-port "WARNING: write transaction requested on a readonly area.  cmd="cmd" params="params)
  #f)

(define (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params)
  (debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
  (mutex-lock! *rmt-mutex*)
  (remote-conndat-set!    runremote #f)
  (http-transport:close-connections area-dat: runremote)
  (remote-server-url-set! runremote #f)
  (mutex-unlock! *rmt-mutex*)
  (debug:print-info 12 *default-log-port* "rmt:send-receive, case  9.1")
  (rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
  
(define (extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
  (if (and (vector? res)
	   (eq? (vector-length res) 2)
	   (eq? (vector-ref res 1) 'overloaded)) ;; since we are
						 ;; looking at the
						 ;; data to carry the
						 ;; error we'll use a
						 ;; fairly obtuse
						 ;; combo to minimise
						 ;; the chances of
						 ;; some sort of
						 ;; collision.  this
						 ;; is the case where
						 ;; the returned data
						 ;; is bad or the
						 ;; server is
						 ;; overloaded and we
						 ;; want to ease off
						 ;; the queries
      (let ((wait-delay (+ attemptnum (* attemptnum 10))))
	(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
	(mutex-lock! *rmt-mutex*)
	(http-transport:close-connections area-dat: runremote)
	(set! *runremote* #f) ;; force starting over
	(mutex-unlock! *rmt-mutex*)
	(thread-sleep! wait-delay)
	(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
      res)) ;; All good, return res

	 (test-names         #f)  ;; Generated by a call to (tests:filter-test-names all-test-names test-patts))
	 (required-tests     #f)  ;; Put fully qualified test/testpath names in this list to be done
         (waitors-upon       (make-hash-table)) ;; given a test, return list of tests waiting upon this test.
	 (task-key           (conc (hash-table->alist flags) " " (get-host-name) " " (current-process-id)))
	 ;; (tdbdat             (tasks:open-db))
	 (config-reruns      (let ((x (configf:lookup *configdat* "setup" "reruns")))
			       (if x (string->number x) #f)))
	 (allowed-tests      #f)
	 (runconf            #f))

    ;; check if readonly
    (when readonly-mode
      (debug:print-error 0 *default-log-port* "megatest.db is readonly.  Cannot proceed.")
      (exit 1))

    ;; per user request. If less than 100Meg space on dbdir partition, bail out with error

       (let* ((test-conf    (mt:lazy-read-test-config test-name)))
	 (if test-conf (runs:update-test_meta test-name test-conf))))
     (hash-table-keys test-names))))

;; This could probably be refactored into one complex query ...
;; NOT PORTED - DO NOT USE YET
;;
#;(define (runs:rollup-run keys runname user keyvals)
  (debug:print 4 *default-log-port* "runs:rollup-run, keys: " keys " -runname " runname " user: " user)
  (let* ((db              #f)
	 ;; register run operates on the main db
	 (new-run-id      (rmt:register-run keyvals runname "new" "n/a" user (args:get-arg "-contour")))
	 (prev-tests      (rmt:get-matching-previous-test-run-records new-run-id "%" "%"))
	 (curr-tests      (mt:get-tests-for-run new-run-id "%/%" '() '()))
	 (curr-tests-hash (make-hash-table)))

	      (exists       (common:file-exists? dbpath))
	      (write-access (file-write-access? dbpath))
	      (mdb          (cond ;; what the hek is *toppath* doing here?
			     ((and (string? *toppath*)(file-write-access? *toppath*))
			      (sqlite3:open-database dbfile))
			     ((file-read-access? dbpath)    (sqlite3:open-database dbfile))
			     (else (sqlite3:open-database ":memory:")))) ;; (never-give-up-open-db dbpath))
	      (handler      (sqlite3:make-busy-timeout 36000)))
	 (if (and exists
		  (not write-access))
	     (set! *db-write-access* write-access)) ;; only unset so other db's also can use this control
	 (sqlite3:set-busy-handler! mdb handler)
	 (db:set-sync mdb) ;; (sqlite3:execute mdb (conc "PRAGMA synchronous = 0;"))
	 ;;  (if (or (and (not exists)
	 ;; 	      (file-write-access? *toppath*))

       (set! res count))
     mdb
     "SELECT count(id) FROM monitors WHERE last_update < (strftime('%s','now') - 300) AND username=?;"
     (car (user-information (current-user-id))))
    res))

;; 
#;(define (tasks:start-monitor db mdb)
  (if (> (tasks:get-num-alive-monitors mdb) 2) ;; have two running, no need for more
      (debug:print-info 1 *default-log-port* "Not starting monitor, already have more than two running")
      (let* ((megatestdb     (conc *toppath* "/megatest.db"))
	     (monitordbf     (conc (db:dbfile-path #f) "/monitor.db"))
	     (last-db-update 0)) ;; (file-modification-time megatestdb)))
	(task:register-monitor mdb)
	(let loop ((count      0)

;; remove tasks given by a string of numbers comma separated
(define (tasks:remove-queue-entries dbstruct task-ids)
  (db:with-db
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db (conc "DELETE FROM tasks_queue WHERE id IN (" task-ids ");")))))

#;(define (tasks:process-queue dbstruct)
  (let* ((task   (tasks:snag-a-task dbstruct))
	 (action (if task (tasks:task-get-action task) #f)))
    (if action (print "tasks:process-queue task: " task))
    (if action
	(case (string->symbol action)
	  ((run)       (tasks:start-run     dbstruct task))
	  ((remove)    (tasks:remove-runs   dbstruct task))
	  ((lock)      (tasks:lock-runs     dbstruct task))
	  ;; ((monitor)   (tasks:start-monitor db task))
	  #;((rollup)    (tasks:rollup-runs   dbstruct task))
	  ((updatemeta)(tasks:update-meta   dbstruct task))
	  #;((kill)      (tasks:kill-monitors dbstruct task))))))

(define (tasks:tasks->text tasks)
  (let ((fmtstr "~10a~10a~10a~12a~20a~12a~12a~10a"))
    (conc (format #f fmtstr "id" "action" "owner" "state" "target" "runname" "testpatts" "params") "\n"
	  (string-intersperse 
	   (map (lambda (task)
		  (format #f fmtstr
			  (tasks:task-get-id     task)
			  (tasks:task-get-action task)
			  (tasks:task-get-owner  task)
			  (tasks:task-get-state  task)
			  (tasks:task-get-target task)
			  (tasks:task-get-name   task)
			  (tasks:task-get-testpatt task)
			  ;; (tasks:task-get-item   task)
			  (tasks:task-get-params task)))
		tasks) "\n"))))
   
(define (tasks:set-state dbstruct task-id state)
  (db:with-db 
   dbstruct #f #t

  (let* ((cpuload  (get-cpu-load))
	 (diskfree (get-df (current-directory)))
	 (uname    (get-uname "-srvpio"))
	 (hostname (get-host-name)))
    (tests:update-central-meta-info run-id test-id cpuload diskfree minutes uname hostname)))
    
;; (define (tests:set-partial-meta-info test-id run-id minutes work-area)
#;(define (tests:set-partial-meta-info test-id run-id minutes work-area remtries)
  (let* ((cpuload  (get-cpu-load))
	 (diskfree (get-df (current-directory)))
	 (remtries 10))
    (handle-exceptions
     exn
     (if (> remtries 0)
	 (begin

	      (prev-foreground-color (canvas-foreground cnv)))
	;; (if fill-color
	;;     (begin
	;; 	(canvas-foreground-set! cnv fill-color)
	;; 	(canvas-box! cnv llx ulx lly uly))) ;; docs are all over the place on this one.;; w h)
	  (if line-color
	      (canvas-foreground-set! cnv line-color)
	      #;(if fill-color
		  (canvas-foreground-set! cnv prev-foreground-color)))
	  (canvas-line! cnv llx ulx lly uly)
	  (canvas-foreground-set! cnv prev-foreground-color)
	  (if text 
	      (let* ((prev-font    (canvas-font cnv))
		     (font-changed (and font (not (equal? font prev-font)))))
		(if font-changed (canvas-font-set! cnv font))