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;; 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)
(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)
(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
(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)
(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))
(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)))
(foo (begin
(common:telemetry-log (conc "api-in:"(->string cmd))
payload: `((params . ,params)))
#t))
(res
(if writecmd-in-readonly-mode
(conc "attempt to run write command "cmd" on a read-only database")
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;; 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)
;; (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)
;; (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
(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)
(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))
(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)))
#;(foo (begin
(common:telemetry-log (conc "api-in:"(->string cmd))
payload: `((params . ,params)))
#t))
(res
(if writecmd-in-readonly-mode
(conc "attempt to run write command "cmd" on a read-only database")
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;; 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))))))))
;; http-server send-response
;; api:process-request
;; db:*
;;
;; NB// Runs on the server as part of the server loop
;;
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;; 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))))))) ;; )
;; http-server send-response
;; api:process-request
;; db:*
;;
;; NB// Runs on the server as part of the server loop
;;
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