Megatest

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Login

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;; Not currently used! But, I think it *should* be used!!!
(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (client:get-signature)))))
    ok))

;; BB: commenting out orphan code
;;;;;
(define (client:connect iface port)
  (case (server:get-transport)
    ((rpc)  (rpc:client-connect  iface port))
    ((http) (http:client-connect iface port))
    ((zmq)  (zmq:client-connect  iface port))
    (else   (rpc:client-connect  iface port))))
;; (define (client:connect iface port)
;;   (case (server:get-transport)
;;     ((rpc)  (rpc:client-connect  iface port))
;;     ((http) (http:client-connect iface port))
;;     ((zmq)  (zmq:client-connect  iface port))
;;     (else   (rpc:client-connect  iface port))))

(define (client:setup  run-id #!key (remaining-tries 10) (failed-connects 0))
  (case (server:get-transport)
    ((rpc) (rpc-transport:client-setup run-id)) ;;(client:setup-rpc run-id))
    ((http)(client:setup-http run-id))
    (else  (rpc-transport:client-setup run-id)))) ;; (client:setup-rpc run-id))))
(define (client:setup run-id #!key (remaining-tries 10))
  ;;(BB> "Entered client:setup with run-id="run-id" and remaining-tries="remaining-tries)
   
  (debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
  (let* ((server-dat (tasks:bb-get-server-info run-id))
         (transport (if (and server-dat (vector? server-dat)) (string->symbol (tasks:hostinfo-get-transport server-dat)) 'noserver)))
    
    (case transport
      ((noserver) ;; no server registered
       (BB> "noserver")
       (if (<= remaining-tries 0)
           (begin
             (debug:print-error 0 *default-log-port* "failed to start or connect to server for run-id " run-id)
             (exit 1))
           (begin    
             (let ((num-available (tasks:bb-num-in-available-state run-id)))
               (debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries " num-available=" num-available)
               (if (< num-available 2)
                   (server:try-running run-id))
               (thread-sleep! (+ 5 (random (- 20 remaining-tries))))  ;; give server a little time to start up, randomize a little to avoid start storms.
               (client:setup run-id remaining-tries: (- remaining-tries 1))))))
      ((http) (BB> "have http") (client:setup-http run-id server-dat remaining-tries))
      ((rpc) (BB> "have rpc") (rpc-transport:client-setup run-id server-dat remtries: remaining-tries)) 
      (else
       (debug:print-error 0 *default-log-port* "(6) Transport ["
                          transport "] specified for run-id [" run-id "] is not implemented in client:setup.  Cannot proceed.")
       (exit 1)))))


;; client:setup-http
;;
;; For http transport, robustly ensure an advertised-running server is actually working and responding, and
;; establish tcp connection to server.  For servers marked running but not responding, kill them and clear from mdb
;; 
(define (client:setup-http run-id server-dat remaining-tries)
  (let* ((iface     (tasks:hostinfo-get-interface server-dat))
         (hostname  (tasks:hostinfo-get-hostname  server-dat))
         (port      (tasks:hostinfo-get-port      server-dat))

         (start-res (http-transport:client-connect iface port))
         (ping-res  (rmt:login-no-auto-client-setup start-res run-id)))
    (if (and start-res ping-res)
        (begin
          (rmt:set-cinfo run-id start-res) ;; (hash-table-set! *runremote* run-id start-res) ;; side-effect - *runremote* cache init fpr rmt:*
          (debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
          start-res)
        (begin    ;; login failed but have a server record, clean out the record and try again
          (debug:print-info 0 *default-log-port* "client:setup-http, login failed, will attempt to start server ... start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
          (http-transport:close-connections run-id)
          (rmt:del-cinfo run-id) ;; (hash-table-delete! *runremote* run-id) ;; BB: suspect there is nothing to delete ...
          (tasks:kill-server-run-id run-id) ;; -9 so the hung processes dont eat 100% when not responding to sigterm.
          (tasks:bb-server-force-clean-run-record  run-id iface port
                                                   " client:setup-http (server-dat = #t)")
          (if (> remaining-tries 8)
              (thread-sleep! (+ 1 (random 5))) ;; spread out the starts a little
              (thread-sleep! (+ 15 (random 20)))) ;; it isn't going well. give it plenty of time
          (server:try-running run-id)
          (thread-sleep! 5)   ;; give server a little time to start up
          (client:setup run-id remaining-tries: (- remaining-tries 1))
          ))))


;; (define (client:login-no-auto-setup server-info run-id)
;;   (case (server:get-transport)
;;     ((rpc)  (rpc:login-no-auto-client-setup server-info run-id))
;;     ((http) (rmt:login-no-auto-client-setup server-info run-id))
;;     (else   (rpc:login-no-auto-client-setup server-info run-id))))
;; 
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;; 			(thread-sleep! 5)
;; 			(client:setup run-id remaining-tries: 10)) ;; (- remaining-tries 1)))
;; 		      (begin
;; 			(debug:print 25 *default-log-port* "INFO: client:setup failed to connect, start-res=" start-res ", run-id=" run-id ", host-info=" host-info)
;; 			(thread-sleep! 5)
;; 			(client:setup run-id remaining-tries: (- remaining-tries 1))))))
;; 	    ;; YUK: rename server-dat here
;; 	    (let* ((server-dat (open-run-close tasks:get-server tasks:open-db run-id)))
;; 	    (let* ((server-dat (open-run-close tasks:get-server-info tasks:open-db run-id)))
;; 	      (debug:print-info 0 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
;; 	      (if server-dat
;; 		  (let* ((iface     (tasks:hostinfo-get-interface server-dat))
;; 			 (port      (tasks:hostinfo-get-port      server-dat))
;; 			 (start-res (http-transport:client-connect iface port))
;; 			 ;; (ping-res  (server:ping-server run-id iface port))
;; 			 (ping-res  (rmt:login-no-auto-client-setup start-res run-id)))
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;;   2. We are a run tests, list runs or other interactive process and we must figure out
;;      *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
(define (client:setup-http run-id #!key (remaining-tries 10) (failed-connects 0))
  (debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
  (let* ((tdbdat (tasks:open-db)))
    (if (<= remaining-tries 0)
	(begin
	  (debug:print-error 0 *default-log-port* "failed to start or connect to server for run-id " run-id)
	  (exit 1))
	(let* ((server-dat (tasks:get-server (db:delay-if-busy tdbdat) run-id)))
	  (debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
	  (if server-dat
	      (let* ((iface     (tasks:hostinfo-get-interface server-dat))
		     (hostname  (tasks:hostinfo-get-hostname  server-dat))
		     (port      (tasks:hostinfo-get-port      server-dat))
		     (start-res (case *transport-type*
				  ((http)(http-transport:client-connect iface port))
				  ;;((nmsg)(nmsg-transport:client-connect hostname port))
                                  ))
		     (ping-res  (case *transport-type* 
				  ((http)(rmt:login-no-auto-client-setup start-res run-id))
				  ;; ((nmsg)(let ((logininfo (rmt:login-no-auto-client-setup start-res run-id)))
 				  ;;          (if logininfo
 				  ;;              (car (vector-ref logininfo 1))
 				  ;;              #f)))

                                  )))
		(if (and start-res
			 ping-res)
;; BB: commenting out orphan code.  
		    (begin
		      (hash-table-set! *runremote* run-id start-res)
		      (debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
		      start-res)
		    (begin    ;; login failed but have a server record, clean out the record and try again
		      (debug:print-info 0 *default-log-port* "client:setup, login failed, will attempt to start server ... start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
		      (case *transport-type* 
			((http)(http-transport:close-connections run-id)))
		      (hash-table-delete! *runremote* run-id)
		      (tasks:kill-server-run-id run-id)
		      (tasks:server-force-clean-run-record (db:delay-if-busy tdbdat)
							   run-id 
							   (tasks:hostinfo-get-interface server-dat)
							   (tasks:hostinfo-get-port      server-dat)
							   " client:setup (server-dat = #t)")
		      (if (> remaining-tries 8)
			  (thread-sleep! (+ 1 (random 5))) ;; spread out the starts a little
			  (thread-sleep! (+ 15 (random 20)))) ;; it isn't going well. give it plenty of time
		      (server:try-running run-id)
		      (thread-sleep! 5)   ;; give server a little time to start up
		      (client:setup run-id remaining-tries: (- remaining-tries 1))
		      )))
	      (begin    ;; no server registered
		(let ((num-available (tasks:num-in-available-state (db:dbdat-get-db tdbdat) run-id)))
		  (debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries " num-available=" num-available)
		  (if (< num-available 2)
		      (server:try-running run-id))
		  (thread-sleep! (+ 5 (random (- 20 remaining-tries))))  ;; give server a little time to start up, randomize a little to avoid start storms.
		  (client:setup run-id remaining-tries: (- remaining-tries 1)))))))))

;; keep this as a function to ease future 
(define (client:start run-id server-info)
  (http-transport:client-connect (tasks:hostinfo-get-interface server-info)
				 (tasks:hostinfo-get-port server-info)))
;;
;; ;; keep this as a function to ease future 
;; (define (client:start run-id server-info)
;;   (http-transport:client-connect (tasks:hostinfo-get-interface server-info)
;; 				 (tasks:hostinfo-get-port server-info)))

;; ;; client:signal-handler
;; (define (client:signal-handler signum)
;;   (signal-mask! signum)
;;   (set! *time-to-exit* #t)
;;   (handle-exceptions
;;    exn