Megatest

  (let* ((hostinfo  (open-run-close tasks:get-best-server tasks:open-db)))
    (debug:print-info 11 "CLIENT SETUP, hostinfo=" hostinfo)
    (set! *transport-type* (if hostinfo 
    			       (string->symbol (tasks:hostinfo-get-transport hostinfo))
			       'fs))
    (debug:print-info 11 "Using transport type of " *transport-type* (if hostinfo (conc " to connect to " hostinfo) ""))
    (case *transport-type* 
      ((fs)(if (not *megatest-db*)(set! *megatest-db* (open-db))))
      ((http)
       (http-transport:client-connect (tasks:hostinfo-get-interface hostinfo)
				      (tasks:hostinfo-get-port hostinfo)))
      ((zmq)
       (zmq-transport:client-connect (tasks:hostinfo-get-interface hostinfo)
				     (tasks:hostinfo-get-port      hostinfo)
				     (tasks:hostinfo-get-pubport   hostinfo)))
      (else  ;; default to fs
       (debug:print 0 "ERROR: unrecognised transport type " *transport-type* " attempting to continue with fs")
       (set! *transport-type* 'fs)
       (set! *megatest-db*    (open-db))))
    (pop-directory)))

;; client:signal-handler
(define (client:signal-handler signum)
  (handle-exceptions
   exn
   (debug:print " ... exiting ...")

			       #f))
		       (string<? (conc time-a)(conc time-b)))))))))

;;======================================================================
;;
;;======================================================================
(define (examine-test test-id) ;; run-id run-key origtest)
  (let* ((db-path       (conc *toppath* "/megatest.db"))
	 (db            (open-db))
	 (tdb           (tdb:open-test-db-by-test-id-local test-id))
	 (testdat       (db:get-test-info-by-id db test-id))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t))
    (if (not testdat)
	(begin

      (exit)))

(if (not (setup-for-run))
    (begin
      (print "Failed to find megatest.config, exiting") 
      (exit 1)))

(define *db* (open-db))

;; (define sdb:qry (make-sdb:qry)) ;;  'init #f)

;; (if (args:get-arg "-host")
;;     (begin
;;       (set! *runremote* (string-split (args:get-arg "-host" ":")))
;;       (client:launch))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

(define *rundb-mutex* (make-mutex)) ;; prevent problems opening/closing rundb's



;; Get/open a database
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's

	mdb
	(let* ((toppath      (dbr:dbstruct-get-path dbstruct))
	       (dbpath       (let ((dbdir (conc *toppath* "/db"))) ;; use this opportunity to create our db dir
			       (if (not (directory-exists? dbdir))
				   (create-direcory dbdir))
			       (conc *toppath* "/db/main.db")))
	       (dbexists     (file-exists? dbpath))
	       (db           (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	       (write-access (file-write-access? dbpath))
	       (handler      (make-busy-timeout 136000)))
	  (if (and dbexists (not write-access))
	      (set! *db-write-access* #f))
	  (if write-access 
	      (begin
		(sqlite3:set-busy-handler! db handler)

;; keeping it around for debugging purposes only
(define (open-run-close-no-exception-handling  proc idb . params)
  (debug:print-info 11 "open-run-close-no-exception-handling START given a db=" (if idb "yes " "no ") ", params=" params)
  (if (or *db-write-access*
	  (not (member proc *db:all-write-procs*)))
      (let* ((db   (cond
		    ((sqlite3:database? idb) idb)
		    ((not idb)               (open-db))
		    ((procedure? idb)       (idb))
		    (else   	            (open-db))))
	     (res #f))
	(set! res (apply proc db params))
	(if (not idb)(sqlite3:finalize! db))
	(debug:print-info 11 "open-run-close-no-exception-handling END" )
	res)
      #f))

;;======================================================================
;; L O G G I N G    D B 
;;======================================================================

(define (open-logging-db) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((dbpath    (conc (if *toppath* (conc *toppath* "/") "") "logging.db")) ;; fname)
	 (dbexists  (file-exists? dbpath))
	 (db        (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	 (handler   (make-busy-timeout (if (args:get-arg "-override-timeout")
					   (string->number (args:get-arg "-override-timeout"))
					   136000)))) ;; 136000)))
    (sqlite3:set-busy-handler! db handler)
    (if (not dbexists)
	(begin
	  (sqlite3:execute db "CREATE TABLE IF NOT EXISTS log (id INTEGER PRIMARY KEY,event_time TIMESTAMP DEFAULT (strftime('%s','now')),logline TEXT,pwd TEXT,cmdline TEXT,pid INTEGER);")

		    (debug:print 2 "chosen-transport: " chosen-transport " have; config=" transport-from-config ", cmdln=" transport-from-cmdln ", cmdinfo=" transport-from-cmdinfo)
		    (case chosen-transport
		      ((http)
		       (set! *transport-type 'http)
		       (server:ensure-running)
		       (client:launch))
		      (else ;; (fs)

		       (set! *transport-type* 'fs)
		       (set! *megatest-db* (open-db))))))))))
;; 		    (cond
;; 		     ;; command line overrides other mechanisms
;; 		     (transport-from-cmdln
;; 		      (if (equal? transport-from-cmdln "fs")
;; 			  (set! *transport-type* 'fs)
;; 			  (begin
;; 			    (server:ensure-running)
;; 			    (client:launch))))
;; 		     ;; cmdinfo is second priority
;; 		     (transport-from-cmdinfo
;; 		      (if (equal? transport-from-cmdinfo "fs")
;; 			  (set! *transport-type* 'fs)
;; 			  (begin
;; 			    (server:ensure-running)
;; 			    (client:launch))))
;; 		     ;; config file is next highest priority for determinining transport
;; 		     (transport-from-config
;; 		      (if (equal? transport-from-config "fs")
;; 			  (set! *transport-type* 'fs)
;; 			  (begin
;; 			    (server:ensure-running)
;; 			    (client:launch))))
;; 		     (else
;; 		      (set! *transport-type* 'fs)))))))))

(if (or (args:get-arg "-list-servers")
	(args:get-arg "-stop-server"))
    (let ((tl (setup-for-run)))
      (if tl 
	  (let* ((servers (open-run-close tasks:get-all-servers tasks:open-db))
		 (fmtstr  "~5a~12a~8a~20a~24a~10a~10a~10a~10a\n")

		      (interface  (vector-ref server 3)) 
		      (pullport   (vector-ref server 4))
		      (pubport    (vector-ref server 5))
		      (start-time (vector-ref server 6))
		      (priority   (vector-ref server 7))
		      (state      (vector-ref server 8))
		      (mt-ver     (vector-ref server 9))
		      (last-update (vector-ref server 10)) ;;   (open-run-close tasks:server-alive? tasks:open-db #f hostname: hostname port: port))
		      (transport  (vector-ref server 11))
		      (killed     #f)
		      (status     (< last-update 20)))
		 ;;   (zmq-sockets (if status (server:client-connect hostname port) #f)))
		 ;; no need to login as status of #t indicates we are connecting to correct 
		 ;; server
		 (if (equal? state "dead")

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

;; NOTE: list-runs and list-db-targets operate on local db!!!
;;
(if (or (args:get-arg "-list-runs")
	(args:get-arg "-list-db-targets"))
    (if (setup-for-run)
	(let* ((db       (open-db))
	       (runpatt  (args:get-arg "-list-runs"))
	       (testpatt (if (args:get-arg "-testpatt") 
			     (args:get-arg "-testpatt") 
			     "%"))
	       (runsdat  (db:get-runs db runpatt #f #f '()))
	       (runs     (db:get-rows runsdat))
	       (header   (db:get-header runsdat))

	       (transport (assoc/default 'transport cmdinfo))
	       (testpath  (assoc/default 'testpath  cmdinfo))
	       (test-name (assoc/default 'test-name cmdinfo))
	       (runscript (assoc/default 'runscript cmdinfo))
	       (db-host   (assoc/default 'db-host   cmdinfo))
	       (run-id    (assoc/default 'run-id    cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (db        (open-db))
	       (state     (args:get-arg ":state"))
	       (status    (args:get-arg ":status"))
	       (target    (args:get-arg "-target")))
	  (change-directory testpath)
	  ;; (set! *runremote* runremote)
	  ;; (set! *transport-type* (string->symbol transport))
	  (if (not target)
	      (begin
		(debug:print 0 "ERROR: -target is required.")
		(exit 1)))
	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, giving up on -archive, exiting")
		(exit 1)))
	  (let* ((keys     (db:get-keys db))
		 ;; DO NOT run remote
		 (paths    (db:test-get-paths-matching db keys target)))
	    (set! *didsomething* #t)
	    (for-each (lambda (path)
			(print path))
		      paths))
	  (if (sqlite3:database? db)(sqlite3:finalize! db)))

	;; else do a general-run-call
	(general-run-call 
	 "-test-paths"
	 "Get paths to tests"
	 (lambda (target runname keys keyvals)
	   (let* ((db       (open-db))
		  ;; DO NOT run remote
		  (paths    (db:test-get-paths-matching db keys target)))
	     (for-each (lambda (path)
			 (print path))
		       paths)
	     (sqlite3:finalize! db))))))

;;======================================================================
;; Extract a spreadsheet from the runs database
;;======================================================================

(if (args:get-arg "-extract-ods")
    (general-run-call
     "-extract-ods"
     "Make ods spreadsheet"
     (lambda (target runname keys keyvals)
       (let ((db         (open-db))
	     (outputfile (args:get-arg "-extract-ods"))
	     (runspatt   (args:get-arg ":runname"))
	     (pathmod    (args:get-arg "-pathmod")))
	     ;; (keyvalalist (keys->alist keys "%")))
	 (debug:print 2 "Extract ods, outputfile: " outputfile " runspatt: " runspatt " keyvals: " keyvals)
	 (db:extract-ods-file db outputfile keyvals (if runspatt runspatt "%") pathmod)
	 (sqlite3:finalize! db)

;;======================================================================
;; Start a repl
;;======================================================================

(if (or (args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (setup-for-run))
	   (db      (if toppath (open-db) #f)))
      (if db
	  (begin
	    (set! *db* db)
	    (set! *client-non-blocking-mode* #t)
	    (import readline)
	    (import apropos)

	    (gnu-history-install-file-manager
	     (string-append
	      (or (get-environment-variable "HOME") ".") "/.megatest_history"))
	    (current-input-port (make-gnu-readline-port "megatest> "))
	    (if (args:get-arg "-repl")
		(repl)
		(load (args:get-arg "-load"))))
	  (exit))
      (set! *didsomething* #t)))

(if (args:get-arg "-convert-to-norm")
    (let* ((toppath (setup-for-run))
	   (db      (if toppath (open-db) #f)))
      (for-each 
       (lambda (field)
	 (let ((dat '()))
	   (debug:print-info 0 "Getting data for field " field)
	   (sqlite3:for-each-row
	    (lambda (id val)
	      (set! dat (cons (list id val) dat)))

	  (toppath     *toppath*)
	  (envdat      keyvals) ;; initial values start with keyvals
	  (runconfig   #f)
	  (serverdat   (if (args:get-arg "-server")
			   *runremote*
			   #f)) ;; to be used later
	  (transport   (or (args:get-arg "-transport") 'http))
	  (db          (if (and mconfig
				(or (args:get-arg "-server")
				    (eq? transport 'fs)))
			   (open-db)
			   #f))
	  (run-id      #f))
    ;; Set all the environment vars we know so far, start with keys
    (for-each (lambda (keyval)
		(setenv (car keyval)(cadr keyval)))
	      keyvals)
    ;; Set up various and sundry known vars here
    (setenv "MT_RUN_AREA_HOME" toppath)

	 (runconfigf         (conc  *toppath* "/runconfigs.config"))
	 (required-tests    '())
	 (test-records       (make-hash-table))
	 (all-tests-registry (tests:get-all)) ;; (tests:get-valid-tests (make-hash-table) test-search-path)) ;; all valid tests to check waiton names
	 (all-test-names     (hash-table-keys all-tests-registry))
	 (test-names         (tests:filter-test-names all-test-names test-patts)))

    ;; Update the synchronous setting in the db based on the default or what is set by the user
    ;; This is done once here on a call to run tests rather than on every call to open-db

    (set-megatest-env-vars run-id inkeys: keys inrunname: runname) ;; these may be needed by the launching process
    (if (file-exists? runconfigf)
	(setup-env-defaults runconfigf run-id *already-seen-runconfig-info* keyvals "pre-launch-env-vars")
	(debug:print 0 "WARNING: You do not have a run config file: " runconfigf))
    
    ;; look up all tests matching the comma separated list of globs in
    ;; test-patts (using % as wildcard)