Megatest

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

;; (use trace)
(use typed-records)

;; globals - modules that include this need these here
(define *verbosity-cache* (make-hash-table))
(define *verbosity* 0)
(define *default-log-port* (current-error-port))
(define *logging* #f)
(define *functions* (make-hash-table)) ;; symbol => fn ### TEMPORARY!!!
;; (define *toppath* #f)
(define *transport-type* 'http)

#;(define (exec-fn fn . params)

;;
(define-inline (with-mutex mtx accessor record . val)
  (mutex-lock! mtx)
  (let ((res (apply accessor record val)))
    (mutex-unlock! mtx)
    res))

;; this was cached based on results from profiling but it turned out the profiling
;; somehow went wrong - perhaps too many processes writing to it. Leaving the caching
;; in for now but can probably take it out later.
;;
(define (debug:calc-verbosity vstr verbose quiet) ;; verbose and quiet are #f or enabled
  (or (hash-table-ref/default *verbosity-cache* vstr #f)
      (let ((res (cond
                  ((number? vstr) vstr)
                  ((not (string?  vstr))   1)
                  ;; ((string-match  "^\\s*$" vstr) 1)
                  (vstr           (let ((debugvals  (filter number? (map string->number (string-split vstr ",")))))
                                    (cond
                                     ((> (length debugvals) 1) debugvals)
                                     ((> (length debugvals) 0)(car debugvals))
                                     (else 1))))
                  (verbose                2) ;; ((args:get-arg "-v")   2)
                  (quiet                  0) ;; ((args:get-arg "-q")    0)
                  (else                   1))))
        (hash-table-set! *verbosity-cache* vstr res)
        res)))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
	       (list?   verbosity)))
      (begin
	(print "ERROR: Invalid debug value \"" vstr "\"")
	#f)
      #t))

(define (debug:debug-mode n)
  (cond
   ((and (number? *verbosity*)   ;; number number
	 (number? n))
    (<= n *verbosity*))
   ((and (list? *verbosity*)     ;; list   number
	 (number? n))
    (member n *verbosity*))
   ((and (list? *verbosity*)     ;; list   list
	 (list? n))
    (not (null? (lset-intersection! eq? *verbosity* n))))
   ((and (number? *verbosity*)
	 (list? n))
    (member *verbosity* n))))

(define (debug:setup dmode verbose quiet)
  (let ((debugstr (or dmode                           ;; (args:get-arg "-debug")
		      (get-environment-variable "MT_DEBUG_MODE"))))
    (set! *verbosity* (debug:calc-verbosity debugstr verbose quiet))
    (debug:check-verbosity *verbosity* debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not *verbosity*)(set! *verbosity* 1))
    (if (or dmode                                            ;; (args:get-arg "-debug")
	    (not (get-environment-variable "MT_DEBUG_MODE")))
	(setenv "MT_DEBUG_MODE" (if (list? *verbosity*)
				    (string-intersperse (map conc *verbosity*) ",")
				    (conc *verbosity*))))))
  
(define (debug:print n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (or e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	  ;;    (exec-fn 'db:log-event (apply conc params))
	  (apply print params)
	  )))) ;; )

;; Brandon's debug printer shortcut (indulge me :)
;; (define *BB-process-starttime* (current-milliseconds))
#;(define (BB> . in-args)
  (let* ((stack (get-call-chain))
         (location "??"))
    (for-each
     (lambda (frame)

  (syntax-rules ()
    [(_ x)
    ;; (with-output-to-port (current-error-port)
       (printf "~a is: ~a\n" 'x (with-output-to-string (lambda () (BBpp x))))
     ;;  )
     ]
    [(_ x y ...) (begin (inspect x) (inspect y ...))]))

(define (debug:print-error n e . params)
  ;; normal print
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	     ;; (exec-fn 'db:log-event (apply conc params))
	      ;; (apply print "pid:" (current-process-id) " " params)
	  (apply print "ERROR: " params)
	  ))) ;; )
  ;; pass important messages to stderr
  (if (and (eq? n 0)(not (eq? e (current-error-port)))) 
      (with-output-to-port (current-error-port)
	(lambda ()
	  (apply print "ERROR: " params)
	  ))))

(define (debug:print-info n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  ;; (if *logging*
	  ;;    (let ((res (format#format #f "INFO: (~a) ~a" n (apply conc params))))
		;; (exec-fn 'db:log-event res))
	      ;; (apply print "pid:" (current-process-id) " " "INFO: (" n ") " params) ;; res)
	  (apply print "INFO: (" n ") " params) ;; res)
	  )))) ;; )



;; if a value is printable (i.e. string or number) return the value
;; else return an empty string
(define-inline (printable val)
  (if (or (number? val)(string? val)) val ""))