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(use srfi-69 posix)

(declare (unit api))
(declare (uses rmt))
(declare (uses db))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses tasks))

(import dbmod)
(import dbfile)

;; allow these queries through without starting a server
;;
(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
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    get-not-completed-cnt))

(define api:write-queries
  '(
    get-keys-write ;; dummy "write" query to force server start

    ;; SERVERS
    start-server
    kill-server
    ;; start-server
    ;; kill-server

    ;; TESTS
    test-set-state-status-by-id
    delete-test-records
    delete-old-deleted-test-records
    test-set-state-status
    test-set-top-process-pid
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    testmeta-add-record
    testmeta-update-field

    ;; TASKS
    tasks-add
    tasks-set-state-given-param-key
    ))

(define *db-write-mutexes* (make-hash-table))

;; These are called by the server on recipt of /api calls
;;    - keep it simple, only return the actual result of the call, i.e. no meta info here
;;
;;    - returns #( flag result )
;;
(define (api:execute-requests dbstruct dat)
  (db:open-no-sync-db) ;; sets *no-sync-db*
  (handle-exceptions
   exn
   (let ((call-chain (get-call-chain)))
     (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an exception from peer, dat=" dat ", exn=" exn)
     (print-call-chain (current-error-port))
     (debug:print 0 *default-log-port* " message: "  ((condition-property-accessor 'exn 'message) exn))       
     (vector #f (vector exn call-chain dat))) ;; return some stuff for debug if an exception happens
;;   (handle-exceptions
;;    exn
;;    (let ((call-chain (get-call-chain)))
;;      (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an exception from peer, dat=" dat ", exn=" exn)
;;      (print-call-chain (current-error-port))
;;      (debug:print 0 *default-log-port* " message: "  ((condition-property-accessor 'exn 'message) exn))       
  ;;      (vector #f (vector exn call-chain dat))) ;; return some stuff for debug if an exception happens
  (if (> *api-process-request-count* 200)
      (begin
	(if (common:low-noise-print 30 "too many threads")
	    (debug:print 0 *default-log-port* "WARNING: "*api-process-request-count*" threads, potential overload, adding 0.5 sec delay."))
	(thread-sleep! 0.5) ;; take a nap
	))
   (cond
    ((not (vector? dat))                    ;; it is an error to not receive a vector
     (vector #f (vector #f "remote must be called with a vector")))
    ((> *api-process-request-count* 20) ;; 20)
    #;((> *api-process-request-count* 200) ;; 20)
     (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an overloaded message.")
     (set! *server-overloaded* #t)
     (vector #f (vector #f 'overloaded))) ;; the inner vector is what gets returned. nope, don't know why. please refactor!
    (else  
     (let* ((cmd-in            (vector-ref dat 0))
            (cmd               (if (symbol? cmd-in)
				   cmd-in
				   (string->symbol cmd-in)))
            (params            (vector-ref dat 1))
	    (run-id            (if (null? params)
				   0
				   (car params)))
	    (write-mutex       (if (hash-table-exists? *db-write-mutexes* run-id)
				   (hash-table-ref *db-write-mutexes* run-id)
				   (let* ((newmutex (make-mutex)))
				     (hash-table-set! *db-write-mutexes* run-id newmutex)
				     newmutex)))
            (start-t           (current-milliseconds))
            (readonly-mode     (dbr:dbstruct-read-only dbstruct))
            (readonly-command  (member cmd api:read-only-queries))
            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command)))
            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command))))
            #;(foo               (begin
                                 (common:telemetry-log (conc "api-in:"(->string cmd))
       (if (not readonly-command)
                                                       payload: `((params . ,params)))
                                 
	   (mutex-lock! write-mutex))
                                 #t))
            (res    
             (if writecmd-in-readonly-mode
                 (conc "attempt to run write command "cmd" on a read-only database")
                 (case cmd
                   ;;===============================================
                   ;; READ/WRITE QUERIES
                   ;;===============================================
       (let* ((res    
               (if writecmd-in-readonly-mode
                   (conc "attempt to run write command "cmd" on a read-only database")
                   (case cmd
                     ;;===============================================
                     ;; READ/WRITE QUERIES
                     ;;===============================================

                   ((get-keys-write)                        (db:get-keys dbstruct)) ;; force a dummy "write" query to force server; for debug in -repl
                   
                   ;; SERVERS
                   ((start-server)                    (apply server:kind-run params))
                   ((kill-server)                     (set! *server-run* #f))
                     ((get-keys-write)                        (db:get-keys dbstruct)) ;; force a dummy "write" query to force server; for debug in -repl
                     
                     ;; SERVERS
                     ((start-server)                    (apply server:kind-run params))
                     ((kill-server)                     (set! *server-run* #f))

                   ;; TESTS
                     ;; TESTS

                   ;;((test-set-state-status-by-id)     (apply mt:test-set-state-status-by-id dbstruct params))
                   ;;BB - commented out above because it was calling below, eventually, incorrectly (dbstruct passed to mt:test-set-state-status-by-id, which previosly did more, but now only passes thru to db:set-state-status-and-roll-up-items.
                   ((test-set-state-status-by-id)
                     ;;((test-set-state-status-by-id)     (apply mt:test-set-state-status-by-id dbstruct params))
                     ;;BB - commented out above because it was calling below, eventually, incorrectly (dbstruct passed to mt:test-set-state-status-by-id, which previosly did more, but now only passes thru to db:set-state-status-and-roll-up-items.
                     ((test-set-state-status-by-id)

                    ;; (define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
                    (db:set-state-status-and-roll-up-items
                     dbstruct
                     (list-ref params 0) ; run-id
                     (list-ref params 1) ; test-name
                     #f                  ; item-path
                     (list-ref params 2) ; state
                     (list-ref params 3) ; status
                     (list-ref params 4) ; comment
                     ))
                   
                   ((delete-test-records)             (apply db:delete-test-records dbstruct params))
                   ((delete-old-deleted-test-records) (apply db:delete-old-deleted-test-records dbstruct params))
                   ((test-set-state-status)           (apply db:test-set-state-status dbstruct params))
                   ((test-set-top-process-pid)        (apply db:test-set-top-process-pid dbstruct params))
                   ((set-state-status-and-roll-up-items) (apply db:set-state-status-and-roll-up-items dbstruct params))
                   ((set-state-status-and-roll-up-run) (apply db:set-state-status-and-roll-up-run dbstruct params)) 
                   ((top-test-set-per-pf-counts)      (apply db:top-test-set-per-pf-counts dbstruct params))
                   ((test-set-archive-block-id)       (apply db:test-set-archive-block-id dbstruct params))
                      ;; (define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
                      (db:set-state-status-and-roll-up-items
                       dbstruct
                       (list-ref params 0) ; run-id
                       (list-ref params 1) ; test-name
                       #f                  ; item-path
                       (list-ref params 2) ; state
                       (list-ref params 3) ; status
                       (list-ref params 4) ; comment
                       ))
                     
                     ((delete-test-records)             (apply db:delete-test-records dbstruct params))
                     ((delete-old-deleted-test-records) (apply db:delete-old-deleted-test-records dbstruct params))
                     ((test-set-state-status)           (apply db:test-set-state-status dbstruct params))
                     ((test-set-top-process-pid)        (apply db:test-set-top-process-pid dbstruct params))
                     ((set-state-status-and-roll-up-items) (apply db:set-state-status-and-roll-up-items dbstruct params))
                     ((set-state-status-and-roll-up-run) (apply db:set-state-status-and-roll-up-run dbstruct params)) 
                     ((top-test-set-per-pf-counts)      (apply db:top-test-set-per-pf-counts dbstruct params))
                     ((test-set-archive-block-id)       (apply db:test-set-archive-block-id dbstruct params))

                   ;; RUNS
                   ((register-run)                 (apply db:register-run dbstruct params))
                   ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
                   ((delete-run)                   (apply db:delete-run dbstruct params))
                   ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
                   ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
                   ((update-run-stats)             (apply db:update-run-stats dbstruct params))
                   ((set-var)                      (apply db:set-var dbstruct params))
                   ((inc-var)                      (apply db:inc-var dbstruct params))
		   ((dec-var)                      (apply db:dec-var dbstruct params))
                   ((del-var)                      (apply db:del-var dbstruct params))
		   ((add-var)                      (apply db:add-var dbstruct params))
                     ;; RUNS
                     ((register-run)                 (apply db:register-run dbstruct params))
                     ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
                     ((delete-run)                   (apply db:delete-run dbstruct params))
                     ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
                     ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
                     ((update-run-stats)             (apply db:update-run-stats dbstruct params))
                     ((set-var)                      (apply db:set-var dbstruct params))
                     ((inc-var)                      (apply db:inc-var dbstruct params))
		     ((dec-var)                      (apply db:dec-var dbstruct params))
                     ((del-var)                      (apply db:del-var dbstruct params))
		     ((add-var)                      (apply db:add-var dbstruct params))

                   ;; STEPS
                   ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
                   ((delete-steps-for-test!)        (apply db:delete-steps-for-test! dbstruct params))
                   
                   ;; TEST DATA
                   ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
                   ((csv->test-data)               (apply db:csv->test-data dbstruct params))
                     ;; STEPS
                     ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
                     ((delete-steps-for-test!)       (apply db:delete-steps-for-test! dbstruct params))
                     
                     ;; TEST DATA
                     ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
                     ((csv->test-data)               (apply db:csv->test-data dbstruct params))

                   ;; MISC
                   ((sync-inmem->db)               (let ((run-id (car params)))
                                                     (db:sync-touched dbstruct run-id force-sync: #t)))
                   ((mark-incomplete)              (apply db:find-and-mark-incomplete dbstruct params))
                   ((create-all-triggers)          (db:create-all-triggers dbstruct))
                   ((drop-all-triggers)            (db:drop-all-triggers dbstruct)) 
                     ;; MISC
                     ((sync-inmem->db)               (let ((run-id (car params)))
                                                       (db:sync-touched dbstruct run-id db:initialize-main-db force-sync: #t)))
                     ((mark-incomplete)              (apply db:find-and-mark-incomplete dbstruct params))
                     ((create-all-triggers)          (db:create-all-triggers dbstruct))
                     ((drop-all-triggers)            (db:drop-all-triggers dbstruct)) 

                   ;; TESTMETA
                   ((testmeta-add-record)       (apply db:testmeta-add-record dbstruct params))
                   ((testmeta-update-field)     (apply db:testmeta-update-field dbstruct params))
                   ((get-tests-tags)            (db:get-tests-tags dbstruct))
                     ;; TESTMETA
                     ((testmeta-add-record)       (apply db:testmeta-add-record dbstruct params))
                     ((testmeta-update-field)     (apply db:testmeta-update-field dbstruct params))
                     ((get-tests-tags)            (db:get-tests-tags dbstruct))

                   ;; TASKS
                   ((tasks-add)                 (apply tasks:add dbstruct params))   
                   ((tasks-set-state-given-param-key) (apply tasks:set-state-given-param-key dbstruct params))
                   ((tasks-get-last)            (apply tasks:get-last dbstruct params))
                     ;; TASKS
                     ((tasks-add)                 (apply tasks:add dbstruct params))   
                     ((tasks-set-state-given-param-key) (apply tasks:set-state-given-param-key dbstruct params))
                     ((tasks-get-last)            (apply tasks:get-last dbstruct params))

		   ;; NO SYNC DB
		   ((no-sync-set)               (apply db:no-sync-set         *no-sync-db* params))
		   ((no-sync-get/default)       (apply db:no-sync-get/default *no-sync-db* params))
		   ((no-sync-del!)              (apply db:no-sync-del!        *no-sync-db* params))
		   ((no-sync-get-lock)          (apply db:no-sync-get-lock    *no-sync-db* params))
		   
                   ;; ARCHIVES
                   ;; ((archive-get-allocations)   
                   ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
                   ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
                   ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))
		     ;; NO SYNC DB
		     ((no-sync-set)               (apply db:no-sync-set         *no-sync-db* params))
		     ((no-sync-get/default)       (apply db:no-sync-get/default *no-sync-db* params))
		     ((no-sync-del!)              (apply db:no-sync-del!        *no-sync-db* params))
		     ((no-sync-get-lock)          (apply db:no-sync-get-lock    *no-sync-db* params))
		     
                     ;; ARCHIVES
                     ;; ((archive-get-allocations)   
                     ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
                     ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
                     ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))

                   ;;======================================================================
                   ;; READ ONLY QUERIES
                   ;;======================================================================
                     ;;======================================================================
                     ;; READ ONLY QUERIES
                     ;;======================================================================

                   ;; KEYS
                   ((get-key-val-pairs)               (apply db:get-key-val-pairs dbstruct params))
                   ((get-keys)                        (db:get-keys dbstruct))
                   ((get-key-vals)                    (apply db:get-key-vals dbstruct params))
                   ((get-target)                      (apply db:get-target dbstruct params))
                   ((get-targets)                     (db:get-targets dbstruct))
                     ;; KEYS
                     ((get-key-val-pairs)               (apply db:get-key-val-pairs dbstruct params))
                     ((get-keys)                        (db:get-keys dbstruct))
                     ((get-key-vals)                    (apply db:get-key-vals dbstruct params))
                     ((get-target)                      (apply db:get-target dbstruct params))
                     ((get-targets)                     (db:get-targets dbstruct))

                   ;; ARCHIVES
                   ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
                   
                   ;; TESTS
                   ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
                   ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))
                   ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
                   ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
                   ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
                   ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
                   ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
                   ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
                   ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))
                   ((test-get-logfile-info)           (apply db:test-get-logfile-info dbstruct params))
                   ((test-get-records-for-index-file)  (apply db:test-get-records-for-index-file dbstruct params))
                   ((get-testinfo-state-status)       (apply db:get-testinfo-state-status dbstruct params))
                   ((test-get-top-process-pid)        (apply db:test-get-top-process-pid dbstruct params))
                   ((test-get-paths-matching-keynames-target-new) (apply db:test-get-paths-matching-keynames-target-new dbstruct params))
                   ((get-prereqs-not-met)             (apply db:get-prereqs-not-met dbstruct params))
                   ((get-count-tests-running-for-run-id) (apply db:get-count-tests-running-for-run-id dbstruct params))
                   ((get-not-completed-cnt)           (apply db:get-not-completed-cnt  dbstruct params)) 
                   ;; ((synchash-get)                    (apply synchash:server-get dbstruct params))
                   ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
		   ((get-test-times)                  (apply db:get-test-times dbstruct params))
                     ;; ARCHIVES
                     ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
                     
                     ;; TESTS
                     ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
                     ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))
                     ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
                     ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
                     ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
                     ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
                     ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
                     ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
                     ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))
                     ((test-get-logfile-info)           (apply db:test-get-logfile-info dbstruct params))
                     ((test-get-records-for-index-file)  (apply db:test-get-records-for-index-file dbstruct params))
                     ((get-testinfo-state-status)       (apply db:get-testinfo-state-status dbstruct params))
                     ((test-get-top-process-pid)        (apply db:test-get-top-process-pid dbstruct params))
                     ((test-get-paths-matching-keynames-target-new) (apply db:test-get-paths-matching-keynames-target-new dbstruct params))
                     ((get-prereqs-not-met)             (apply db:get-prereqs-not-met dbstruct params))
                     ((get-count-tests-running-for-run-id) (apply db:get-count-tests-running-for-run-id dbstruct params))
                     ((get-not-completed-cnt)           (apply db:get-not-completed-cnt  dbstruct params)) 
                     ;; ((synchash-get)                    (apply synchash:server-get dbstruct params))
                     ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
		     ((get-test-times)                  (apply db:get-test-times dbstruct params))

                   ;; RUNS
                   ((get-run-info)                 (apply db:get-run-info dbstruct params))
                   ((get-run-status)               (apply db:get-run-status dbstruct params))
                   ((get-run-state)                (apply db:get-run-state dbstruct params))
                   ((set-run-status)               (apply db:set-run-status dbstruct params))
                   ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
                   ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
                   ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
                   ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
                   ((get-test-id)                  (apply db:get-test-id dbstruct params))
                   ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))
                   ;; ((get-tests-for-runs-mindata)   (apply db:get-tests-for-runs-mindata dbstruct params))
                   ((get-runs)                     (apply db:get-runs dbstruct params))
                   ((simple-get-runs)              (apply db:simple-get-runs dbstruct params))
                   ((get-num-runs)                 (apply db:get-num-runs dbstruct params))
                   ((get-runs-cnt-by-patt)         (apply db:get-runs-cnt-by-patt dbstruct params))
                   ((get-all-run-ids)              (db:get-all-run-ids dbstruct))
                   ((get-prev-run-ids)             (apply db:get-prev-run-ids dbstruct params))
                   ((get-run-ids-matching-target)  (apply db:get-run-ids-matching-target dbstruct params))
                   ((get-runs-by-patt)             (apply db:get-runs-by-patt dbstruct params))
                   ((get-run-name-from-id)         (apply db:get-run-name-from-id dbstruct params))
                   ((get-main-run-stats)           (apply db:get-main-run-stats dbstruct params))
                   ((get-var)                      (apply db:get-var dbstruct params))
                   ((get-run-stats)                (apply db:get-run-stats dbstruct params))
                   ((get-run-times)                (apply db:get-run-times dbstruct params)) 
                     ;; RUNS
                     ((get-run-info)                 (apply db:get-run-info dbstruct params))
                     ((get-run-status)               (apply db:get-run-status dbstruct params))
                     ((get-run-state)                (apply db:get-run-state dbstruct params))
                     ((set-run-status)               (apply db:set-run-status dbstruct params))
                     ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
                     ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
                     ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
                     ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
                     ((get-test-id)                  (apply db:get-test-id dbstruct params))
                     ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))
                     ;; ((get-tests-for-runs-mindata)   (apply db:get-tests-for-runs-mindata dbstruct params))
                     ((get-runs)                     (apply db:get-runs dbstruct params))
                     ((simple-get-runs)              (apply db:simple-get-runs dbstruct params))
                     ((get-num-runs)                 (apply db:get-num-runs dbstruct params))
                     ((get-runs-cnt-by-patt)         (apply db:get-runs-cnt-by-patt dbstruct params))
                     ((get-all-run-ids)              (db:get-all-run-ids dbstruct))
                     ((get-prev-run-ids)             (apply db:get-prev-run-ids dbstruct params))
                     ((get-run-ids-matching-target)  (apply db:get-run-ids-matching-target dbstruct params))
                     ((get-runs-by-patt)             (apply db:get-runs-by-patt dbstruct params))
                     ((get-run-name-from-id)         (apply db:get-run-name-from-id dbstruct params))
                     ((get-main-run-stats)           (apply db:get-main-run-stats dbstruct params))
                     ((get-var)                      (apply db:get-var dbstruct params))
                     ((get-run-stats)                (apply db:get-run-stats dbstruct params))
                     ((get-run-times)                (apply db:get-run-times dbstruct params)) 

                   ;; STEPS
                   ((get-steps-data)               (apply db:get-steps-data dbstruct params))
                   ((get-steps-for-test)           (apply db:get-steps-for-test dbstruct params))
		   ((get-steps-info-by-id)         (apply db:get-steps-info-by-id dbstruct params))
                     ;; STEPS
                     ((get-steps-data)               (apply db:get-steps-data dbstruct params))
                     ((get-steps-for-test)           (apply db:get-steps-for-test dbstruct params))
		     ((get-steps-info-by-id)         (apply db:get-steps-info-by-id dbstruct params))

                   ;; TEST DATA
                   ((read-test-data)               (apply db:read-test-data dbstruct params))
                   ((read-test-data-varpatt)       (apply db:read-test-data-varpatt dbstruct params))
                   ((get-data-info-by-id)          (apply db:get-data-info-by-id dbstruct params)) 
                     ;; TEST DATA
                     ((read-test-data)               (apply db:read-test-data dbstruct params))
                     ((read-test-data-varpatt)       (apply db:read-test-data-varpatt dbstruct params))
                     ((get-data-info-by-id)          (apply db:get-data-info-by-id dbstruct params)) 

                   ;; MISC
                   ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
                   ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
                   ((login)                        (apply db:login dbstruct params))
                   ((general-call)                 (let ((stmtname   (car params))
                                                         (run-id     (cadr params))
                                                         (realparams (cddr params)))
                                                     (db:general-call dbstruct stmtname realparams)))
                   ((sdb-qry)                      (apply sdb:qry params))
                   ((ping)                         (current-process-id))
		   ((get-changed-record-ids)       (apply db:get-changed-record-ids dbstruct params))
		   ((get-run-record-ids) 	   (apply db:get-run-record-ids dbstruct params))	
                   ;; TESTMETA
                   ((testmeta-get-record)       (apply db:testmeta-get-record dbstruct params))
                     ;; MISC
                     ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
                     ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
                     ((login)                        (apply db:login dbstruct params))
                     ((general-call)                 (let ((stmtname   (car params))
                                                           (run-id     (cadr params))
                                                           (realparams (cddr params)))
                                                       (db:general-call dbstruct run-id stmtname realparams)))
                     ((sdb-qry)                      (apply sdb:qry params))
                     ((ping)                         (current-process-id))
		     ((get-changed-record-ids)       (apply db:get-changed-record-ids dbstruct params))
		     ((get-run-record-ids) 	   (apply db:get-run-record-ids dbstruct params))	
                     ;; TESTMETA
                     ((testmeta-get-record)       (apply db:testmeta-get-record dbstruct params))

                   ;; TASKS 
                   ((find-task-queue-records)   (apply tasks:find-task-queue-records dbstruct params))
		   (else
		    (debug:print 0 *default-log-port* "ERROR: bad api call " cmd)
		    (conc "ERROR: BAD api call " cmd))))))

       
       ;; save all stats
       (let ((delta-t (- (current-milliseconds)
			 start-t)))
	 (hash-table-set! *db-api-call-time* cmd
			  (cons delta-t (hash-table-ref/default *db-api-call-time* cmd '()))))
       (if writecmd-in-readonly-mode
           (begin
             #;(common:telemetry-log (conc "api-out:"(->string cmd))
                                   payload: `((params . ,params)
                                              (ok-res . #t)))
	     (vector #f res))
           (begin
             #;(common:telemetry-log (conc "api-out:"(->string cmd))
                                   payload: `((params . ,params)
                                              (ok-res . #f)))
             (vector #t res))))))))
                     ;; TASKS 
                     ((find-task-queue-records)   (apply tasks:find-task-queue-records dbstruct params))
		     (else
		      (debug:print 0 *default-log-port* "ERROR: bad api call " cmd)
		      (conc "ERROR: BAD api call " cmd))))))
	 (if (not readonly-command)
	     (mutex-unlock! write-mutex))
	 
	 ;; save all stats
	 (let ((delta-t (- (current-milliseconds)
			   start-t))
	       (modified-cmd (if (eq? cmd 'general-call)
				 (string->symbol (conc "general-call-" (car params)))
				 cmd)))
	   (hash-table-set! *db-api-call-time* modified-cmd
			    (cons delta-t (hash-table-ref/default *db-api-call-time* modified-cmd '()))))
	 (if writecmd-in-readonly-mode
             (begin
               #;(common:telemetry-log (conc "api-out:"(->string cmd))
               payload: `((params . ,params)
               (ok-res . #t)))
	       (vector #f res))
             (begin
               #;(common:telemetry-log (conc "api-out:"(->string cmd))
               payload: `((params . ,params)
               (ok-res . #f)))
               (vector #t res))))))))

;; http-server  send-response
;;                 api:process-request
;;                    db:*
;;
;; NB// Runs on the server as part of the server loop
;;