Megatest

	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))

(define (db:get-cache-stmth dbdat db stmt)
  (let* (;; (dbdat       (dbfile:get-dbdat dbstruct run-id))
	 (stmt-cache  (dbr:dbdat-stmt-cache dbdat))
	 (stmth       (db:hoh-get stmt-cache db stmt)))
    (or stmth
	(let* ((newstmth (sqlite3:prepare db stmt)))
	  (db:hoh-set! stmt-cache db stmt newstmth)
	  newstmth))))

    (debug:print-info 4  *default-log-port* "running-deadtime = " running-deadtime)
    (debug:print-info 4  *default-log-port* "deadtime-trim = " deadtime-trim)

    (db:with-db 
     dbstruct run-id #f
     (lambda (dbdat db)
       (let* ((stmth1 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('RUNNING');"))
	      (stmth2 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('REMOTEHOSTSTART');"))
	      (stmth3 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path FROM tests
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400
                                          AND state IN ('LAUNCHED');")))
	 ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
	 ;;
	 ;; HOWEVER: this code in run:test seems to work fine
	 ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)

  (let* ((res      #f))
    (db:with-db
     dbstruct #f #f  ;; for the moment vars are only stored in main.db
     (lambda (dbdat db)
       (sqlite3:for-each-row
        (lambda (val)
          (set! res val))

        (db:get-cache-stmth dbdat db "SELECT val FROM metadat WHERE var=?;") var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct var)

;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute (db:get-cache-stmth dbdat db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);")
				 var val))))

(define (db:add-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val+? WHERE var=?;" val var))))

(define (db:del-var dbstruct var)

   dbstruct
   #f
   #f

   (lambda (dbdat db)
     ;; remove previous data
     
     (let* ((stmt1 (db:get-cache-stmth dbdat db "DELETE FROM run_stats WHERE run_id=? AND state=? AND status=?;"))
	    (stmt2 (db:get-cache-stmth dbdat db "INSERT INTO run_stats (run_id,state,status,count) VALUES (?,?,?,?);"))
	    (res
	     (sqlite3:with-transaction
	      db
	      (lambda ()
		(for-each
		 (lambda (dat)
		   (sqlite3:execute stmt1 run-id (car dat)(cadr dat))
		   (apply sqlite3:execute stmt2 run-id dat))
		 stats)))))
       ;; (sqlite3:finalize! stmt1)
       ;; (sqlite3:finalize! stmt2)
       ;; (mutex-unlock! *db-transaction-mutex*)
       res))))

(define (db:get-main-run-stats dbstruct run-id)
  (db:with-db
   dbstruct
   #f ;; this data comes from main

;;      NOTE: run-id is not used
;; ;;
(define (db:test-set-state-status dbstruct run-id test-id newstate newstatus newcomment)
  (db:with-db
   dbstruct
   run-id #f
   (lambda (dbdat db)
     (db:test-set-state-status-db dbdat db run-id test-id newstate newstatus newcomment))))

;; dbdat needed for cached prepared statements
(define (db:test-set-state-status-db dbdat db run-id test-id newstate newstatus newcomment)
  (cond
   ((and newstate newstatus newcomment)
    (sqlite3:execute (db:get-cache-stmth dbdat db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;") newstate newstatus newcomment ;; (sdb:qry 'getid newcomment)
		     test-id))
   ((and newstate newstatus)
    (sqlite3:execute (db:get-cache-stmth dbdat db "UPDATE tests SET state=?,status=? WHERE id=?;") newstate newstatus test-id))
   (else
    (if newstate   (sqlite3:execute (db:get-cache-stmth dbdat db "UPDATE tests SET state=?   WHERE id=?;") newstate   test-id))
    (if newstatus  (sqlite3:execute (db:get-cache-stmth dbdat db "UPDATE tests SET status=?  WHERE id=?;") newstatus  test-id))
    (if newcomment (sqlite3:execute (db:get-cache-stmth dbdat db "UPDATE tests SET comment=? WHERE id=?;") newcomment ;; (sdb:qry 'getid newcomment)
				    test-id))))
  ;; (mt:process-triggers dbstruct run-id test-id newstate newstatus)) ;; NOTE: Moved into calling function
  )

;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id) ;; fastmode)
  (let* ((qry ;; (if fastmode
		;;   "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '') LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');")) ;; )
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let* ((stmth (db:get-cache-stmth dbdat db qry)))
       (sqlite3:first-result stmth))))))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-actually-running dbstruct run-id)
  (db:with-db
   dbstruct

		 ;;  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;")) ;; )
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat db qry)))
	 (sqlite3:first-result stmth run-id))))))

;; For a given testname how many items are running? Used to determine
;; probability for regenerating html
;;
(define (db:get-count-tests-running-for-testname dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let* ((stmt "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;")
	    (stmth (db:get-cache-stmth dbdat db stmt)))
       (sqlite3:first-result
	stmth run-id testname)))))

(define (db:get-not-completed-cnt dbstruct run-id)
(db:with-db
   dbstruct
   run-id

(define (db:teststep-set-status! dbstruct run-id test-id teststep-name state-in status-in comment logfile)
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (dbdat db)
     (sqlite3:execute 
      (db:get-cache-stmth dbdat db
			  "INSERT OR REPLACE into test_steps (test_id,stepname,state,status,event_time,comment,logfile) VALUES(?,?,?,?,?,?,?);")
      test-id teststep-name state-in status-in (current-seconds)
      (if comment comment "")
      (if logfile logfile "")))))



(define (db:delete-steps-for-test! dbstruct run-id test-id)

(define (db:get-data-info-by-id dbstruct run-id test-data-id)
  (let* ((stmt        "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;")) ;; event_time DESC,id ASC;
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat db stmt))
	      (res   (sqlite3:fold-row
		      (lambda (res id test-id  category variable value expected tol units comment status type last-update)
			(vector id test-id  category variable value expected tol units comment status type last-update))
		      (vector #f #f #f #f #f #f #f #f #f #f #f #f)
		      stmth
		      test-data-id)))
        res)))))

     dbstruct run-id #f
     (lambda (dbdat db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                 ;; NB// Pass the db so it is part fo the transaction
                 (db:test-set-state-status-db dbdat db run-id test-id state status comment) ;; this call sets the item state/status
                 (if (not (equal? item-path "")) ;; only roll up IF incoming test is an item
                     (let* ((state-status-counts (db:get-all-state-status-counts-for-test db run-id test-name item-path state status)) ;; item-path is used to exclude current state/status of THIS test
			    (state-statuses      (db:roll-up-rules state-status-counts state status))
                            (newstate            (car state-statuses))
                            (newstatus           (cadr state-statuses)))
		       (set! new-state-eh newstate)
		       (set! new-status-eh newstatus)
                       (debug:print 4 *default-log-port* "BB> tl-test-id="tl-test-id" ; "test-name":"item-path" newstate="newstate" newstatus="newstatus" len(sscs)="(length state-status-counts)  " state-status-counts: "
				    (apply conc
					   (map (lambda (x)
						  (conc
                     				   (with-output-to-string (lambda () (pp (dbr:counts->alist x)))) " | "))
						state-status-counts))); end debug:print
		       (if tl-test-id
			   (db:test-set-state-status-db dbdat db run-id tl-test-id newstate newstatus #f)) ;; we are still in the transaction - must access the db and not the dbstruct
		       ))))))
         (mutex-unlock! *db-transaction-mutex*)
         (if (and test-id state status (equal? status "AUTO")) 
             (db:test-data-rollup dbstruct run-id test-id status))
	 (if new-state-eh ;; moved from db:test-set-state-status
	      (mt:process-triggers dbstruct run-id test-id new-state-eh new-status-eh))
         tr-res)))))

				       (string->symbol stmtname)
				       stmtname)
				   db:queries)))
 		 (if q (car q) #f))))
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (apply sqlite3:execute (db:get-cache-stmth dbdat db query) params)
       #t))))

;; get a summary of state and status counts to calculate a rollup
;;
(define (db:get-state-status-summary dbstruct run-id testname)
  (let ((res   '()))
    (db:with-db

					  (sqlite3:finalize! db #t)
					  ;; (vector-set! *task-db* 0 #f)
					  (set! *task-db* #f)))))
			      (if (and (not (args:get-arg "-server"))
				       *runremote*)
				  (begin
				    (debug:print-info 0 *default-log-port* "Closing all client connections...")
				    (http-transport:close-connections *runremote*)
				    #;(http-client#close-all-connections!)))
                              ;; (if (and *runremote*
                              ;;          (remote-conndat *runremote*))
                              ;;     (begin
                              ;;       (http-client#close-all-connections!))) ;; for http-client
                              (if (not (eq? *default-log-port* (current-error-port)))
                                  (close-output-port *default-log-port*))
			      (set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))

						;;    (remote-conndat-set! runremote #f))
						;; Killing associated server to allow clean retry.")
						;; (tasks:kill-server-run-id run-id)  ;; better to kill the server in the logic that called this routine?
						(mutex-unlock! *http-mutex*)
						;; (signal (make-composite-condition
						;;          (make-property-condition 'commfail 'message "failed to connect to server")))
						;; "communications failed"
						;; (close-all-connections!)
						(close-connection! fullurl)
						(db:obj->string #f))
					      (with-input-from-request ;; was dat
					       fullurl 
					       (list (cons 'key (or server-id   "thekey"))
						     (cons 'cmd cmd)
						     (cons 'params sparams))
					       read-string))

    (if (vector? server-dat)
	(let ((api-dat (http-transport:server-dat-get-api-uri server-dat)))
	  (handle-exceptions
	    exn
	    (begin
	      (print-call-chain *default-log-port*)
	      (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))
	    (if (args:any-defined? "-server" "-execute" "-run")
		(debug:print-info 0 *default-log-port* "Closing connections to "api-dat))
	    (close-connection! api-dat)
	    (close-connection! (http-transport:server-dat-make-url server-dat))
	    (remote-conndat-set! runremote #f)
	    #t))
	#f)))


(define (make-http-transport:server-dat)(make-vector 6))
(define (http-transport:server-dat-get-iface         vec)    (vector-ref  vec 0))

    ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
    (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)

    (let loop ((minutes   (calc-minutes))
	       (cpu-load  (alist-ref 'adj-core-load (common:get-normalized-cpu-load #f)))
	       (disk-free (get-df (current-directory)))
               (last-sync (current-seconds)))

      (let* ((over-time     (> (current-seconds) (+ last-sync update-period)))
             (new-cpu-load  (let* ((load  (alist-ref 'adj-core-load (common:get-normalized-cpu-load #f)))
                                   (delta (abs (- load cpu-load))))
                              (if (> delta 0.1) ;; don't bother updating with small changes
                                  load
                                  #f)))
             (new-disk-free (let* ((df    (if over-time ;; only get df every 30 seconds
                                              (get-df (current-directory))
                                              disk-free))
                                   (delta (abs (- df disk-free))))
                              (if (and (> df 0)
                                       (> (/ delta df) 0.1)) ;; (> delta 200) ;; ignore changes under 200 Meg
                                  df
                                  #f)))
             (do-sync       (or new-cpu-load new-disk-free over-time))
	     ;; instead of looking for KILLREQ we are looking for a file KILLREQUEST - see tests.scm test-get-kill-request
             ;; (test-info   (rmt:get-test-info-by-id run-id test-id))
             ;; (state       (db:test-get-state test-info))
             ;; (status      (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))

        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         #;((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)
        (launch:handle-zombie-tests run-id)
        (when do-sync
          (with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
            (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))

          ;; (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)

	  )
        
	(if kill-job? 
	    (begin
              (debug:print-info 0 *default-log-port* "proceeding to kill test: "kill-reason)
	      (mutex-lock! m)
	      ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

;; if a server is either running or in the process of starting call client:setup
;; else return #f to let the calling proc know that there is no server available
;;
(define (rmt:get-connection-info areapath runremote) ;; TODO: push areapath down.

  (let* ((cinfo     (if (remote? runremote)
			(remote-conndat runremote)
			#f)))
	  (if cinfo
	      cinfo
	      (if (server:check-if-running areapath)
		  (client:setup areapath)
		  #f))))

	       (not (remote-conndat runremote)))
	  (and (not (cdr (remote-hh-dat runremote)))        ;; not on a homehost 
	       (not (remote-conndat runremote))))           ;; and no connection
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case 9, hh-dat: " (remote-hh-dat runremote) " conndat: " (remote-conndat runremote))
      (mutex-unlock! *rmt-mutex*)
      (if (not (server:check-if-running *toppath*)) ;; who knows, maybe one has started up?
	  (server:start-and-wait *toppath*))
      (remote-conndat-set! runremote (rmt:get-connection-info *toppath* runremote)) ;; calls client:setup which calls client:setup-http
      (rmt:send-receive cmd rid params attemptnum: attemptnum)) ;; TODO: add back-off timeout as

     ;;DOT CASE10 [label="on homehost"];
     ;;DOT MUTEXLOCK -> CASE10 [label="server not required,\non homehost"]; {rank=same "case 10" CASE10};
     ;;DOT CASE10 -> "rmt:open-qry-close-locally";
     ;; all set up if get this far, dispatch the query
     ((and (not (remote-force-server runremote))

;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request run-id test-id) ;; run-id test-name itemdat)
  (or (file-exists? (conc (getenv "MT_TEST_RUN_DIR")"/KILLREQUEST"))
      (file-exists? (conc (getenv "MT_LINKTREE")"/"(getenv "MT_TARGET")"/"(getenv "MT_RUNNAME")"/KILLREQUEST")))
  #;(let* ((testdat   (rmt:get-test-info-by-id run-id test-id)))
    (and testdat
	 (equal? (test:get-state testdat) "KILLREQ"))))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row