Megatest

;;
(define (rmt:general-open-connection remdat apath dbname #!key (num-tries 5))
  (assert (not (equal? dbname ".db/main.db")) "ERROR: general-open-connection should never be called with main as the db")
  (let* ((mdbname  (db:run-id->dbname #f))
	 (fullname (db:dbname->path apath dbname))
	 (conns    (remotedat-conns remdat))
	 (mconn    (rmt:get-conn remdat apath mdbname)))







    (cond
     ((or (not mconn) ;; no channel open to main?
	  (< (conndat-expires mconn)(+ (current-seconds) 2))) ;; restablish connection if less than 2 seconds on the lease
      (rmt:open-main-connection remdat apath)
      (rmt:general-open-connection remdat apath mdbname))
     ((not (rmt:get-conn remdat apath dbname))                 ;; no channel open to dbname?     
      (let* ((res (rmt:send-receive-real remdat apath mdbname 'get-server `(,apath ,dbname))))

		   (debug:print-info 0 *default-log-port* "got "res)
		   (hash-table-set! conns
				    fullname
				    (make-conndat
				     apath: apath
				     dbname: dbname
				     hostport: (conc host":"port)
				     socket: (open-nn-connection (conc host":"port))
				     ipaddr: ipaddr
				     port: port
				     srvkey: servkey
				     lastmsg: (current-seconds)
				     expires: (+ (current-seconds) 60))))
		  (else
		   (debug:print-info 0 *default-log-port* "return data from starting server did not match host port servkey pid ipaddr apath dbname " res)))
		 res)
	       (begin
		 (debug:print-info 0 *default-log-port* "Unexpected result: " res)
		 res)))))))
    (if (and mconn
	     (not (debug:print-logger)))
	(begin
	  (debug:print-info 0 *default-log-port* "Turning on logging to main, look in logs dir for main log.")
	  (debug:print-logger rmt:log-to-main)))
    #t))

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

;; FOR DEBUGGING SET TO #t
;; (define *localmode* #t)
(define *localmode* #f)
(define *dbstruct* (make-dbr:dbstruct))

    (if *localmode*
	(let* ((dbdat    (dbr:dbstruct-get-dbdat *dbstruct* dbname))
	       (indat    `((cmd . ,cmd)(params . ,params))))
	  (api:process-request *dbstruct* indat)
	  ;; (api:process-request dbdat indat)
	  )
	(begin


	  (rmt:open-main-connection remdat apath)
	  (if rid (rmt:general-open-connection remdat apath dbname))
	  (rmt:send-receive-real remdat apath dbname cmd params)))))

#;(define (rmt:send-receive-setup conn)
  (if (not (conndat-inport conn))
      (let-values (((i o) (tcp-connect (conndat-ipaddr conn)
				       (conndat-port conn))))
	(conndat-inport-set! conn i)
	(conndat-outport-set! conn o))))
  
;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future
;;
(define (rmt:send-receive-real remdat apath dbname cmd params)
  (let* ((conn (rmt:get-conn remdat apath dbname)))
    (assert conn "FATAL: rmt:send-receive-real called without the needed channels opened")
    (assert (conndat-socket conn) "FATAL: rmt:send-receive-real called without the channel socket opened.")
    (let* ((soc     (conndat-socket conn))
	   (key     #f)
	   (host    (conndat-ipaddr conn))
	   (port    (conndat-port   conn))
	   (payload `((cmd    . ,cmd)
		      (key    . ,(conndat-srvkey conn))
		      (params . ,params)))
	   (res      (send-receive-nn soc ;; (open-send-receive-nn (conc host":"port)
					   (sexpr->string payload))))
      (string->sexpr res))))

;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future.
;;
;; Purpose - call the main.db server and request a server be started

    ret))

;;start a server, returns the connection
;;
(define (start-nn-server portnum )
  (let ((rep (make-rep-socket))) ;; (nn-socket 'rep)))
    (socket-set! rep 'nng/recvtimeo 2000)
    (handle-exceptions ;; why have exception handler here? 
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       (print "ERROR: Failed to start server \"" emsg "\"")
       (exit 1))
      
     (nng-dial #;nn-bind rep (conc "tcp://*:" portnum)))
    rep))

(define (open-nn-connection host-port)
  (let ((req  (make-req-socket))
        (uri  (conc "tcp://" host-port)))

    (nng-dial req uri)
    (socket-set! req 'nng/recvtimeo 2000)
    req))

(define (send-receive-nn req msg)
  (nng-send req msg)
  (nng-recv req))

(define (close-nn-connection req)