Megatest

;; (include "common.scm")
;; (include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     nanomsg)

(declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))
(declare (uses configf))
;; (declare (uses rmt))

(use ducttape-lib)

(include "megatest-fossil-hash.scm")

(require-library stml)

;; stuff for the mapper and checker functions
;;
(define *target-mappers*  (make-hash-table)) 
(define *runname-mappers* (make-hash-table)) 
(define *area-checkers*   (make-hash-table)) 

(define (mtut:stml->string in-stml)
  (with-output-to-string
    (lambda ()
      (s:output-new
       (current-output-port)
       in-stml))))

;; helpers for mappers/checkers
(define (add-target-mapper name proc)
  (hash-table-set! *target-mappers* name proc))
(define (add-runname-mapper name proc)
  (hash-table-set! *runname-mappers* name proc))
(define (add-area-checker name proc)
  (hash-table-set! *area-checkers* name proc))

;; given a runkey, xlatr-key and other info return one of the following:
;;   list of targets, null list to skip processing
;;   
(define (map-targets mtconf aval-alist runkey area contour #!key (xlatr-key-in #f))
  (pp aval-alist)
  (print "In Map-targets")
  (let* ((xlatr-key (or xlatr-key-in
                        (conf-get/default mtconf aval-alist 'targtrans)))
         (proc      (hash-table-ref/default *target-mappers* xlatr-key #f)))
    (if proc
        (begin
          (print "Using target mapper: " xlatr-key)
          (handle-exceptions

   remove                    : remove runs
   set-ss                    : set state/status
   archive                   : compress and move test data to archive disk
   kill                      : stop tests or entire runs
   db                        : database utilities

Queries:
   show [areas|contours... ] : show areas, contours or other section from megatest.config
   gendot                    : generate a graphviz dot file from pkts.

Contour actions:
   process                   : runs import, rungen and dispatch 
			     
Trigger propagation actions:
   tsend a=b,c=d...          : send trigger info to all recpients in the [listeners] section

  -repl                      : start a repl (useful for extending megatest)
  -load file.scm             : load and run file.scm
  -debug N|N,M,O...          : enable debug messages 0-N or N and M and O ...
  -list-pkt-keys             : list all pkt keys
			     
Utility			     
 db pgschema                 : emit postgresql schema; do \"mtutil db pgschema | psql -d mydb\"
 gatherdb [propagate]        : gather dbs from all areas into /tmp/$USER_megatest/alldbs,
                               optionally propagate the data to megatest2.0 format
 

Examples:

# Start a megatest run in the area \"mytests\"
mtutil run -area mytests -target v1.63/aa3e -mode-patt MYPATT -tag-expr quick

# Start a contour

    ("-load"            . #f)  ;; load and exectute a scheme file
    ("-log"             . #f)
    ("-override-user"   . #f)
    ("-msg"             . M)
    ("-start-dir"       . S)
    ("-set-vars"        . v)
    ("-config"          . h)
    ("-time-out"        . u)
    ))
(define *switch-keys*
  '(
    ("-h"               . #f)
    ("-help"            . #f)
    ("--help"           . #f)
    ("-manual"          . #f)

     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       (print "ERROR: Failed to start server \"" emsg "\"")
       (exit 1))
      
     (nn-bind rep (conc "tcp://*:" portnum)))
    rep))

(define (can-user-kill-listner user-info attrib)
  (let* ((contacts (alist-ref 'contact attrib))
         (user-id (cadddr (cdr user-info)))
         (ret #f)  
         (contact-list (string-split contacts ","))) 
    (for-each
      (lambda (admin)
        (if (string-contains  user-id (car (string-split admin "@")))
         (set! ret #t)))  
    contact-list)
   ret))

;; open connection to server, send message, close connection
;;
(define (open-send-close-nn host-port msg attrib #!key (timeout 3) ) ;; default timeout is 3 seconds
  (let ((req  (nn-socket 'req))
        (uri  (conc "tcp://" host-port))
        (res  #f)
        (contacts (alist-ref 'contact attrib))
        (mode (alist-ref 'mode attrib))) 
    (handle-exceptions
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       ;; Send notification       
       (print "ERROR: Failed to connect / send to " uri " message was \"" emsg "\"" )
         (if (equal? mode "production")
             (begin 
             (print " Sending email to contacts : " contacts )
             (let ((email-body (mtut:stml->string (s:body
										(s:p (conc "We could not send messages to the server on " uri "."  "Please check if the listner is running. It is possible that the host is overloaded due to which it may take too long to respond. \n Contact your system adminstrator if server load is high." (s:br)" Thank You ") )))))
             (sendmail (string-join (string-split contacts ";" )) (conc "[Listner Error] Filed to connect to listner on " uri) email-body  use_html: #t)))
             (print " mode : " mode " Not sending any emails" ))
       #f)
     (nn-connect req uri)
     (print "Connected to the server " )
     (nn-send req msg)

     (print "Request Sent")  
     (let* ((th1  (make-thread (lambda ()
                                 (let ((resp (nn-recv req)))
                                   (nn-close req)
                                   (set! res (if (equal? resp "ok")
                                                 #t
                                                 #f))))
                               "recv thread"))

						    (cdr (or pmeta smeta))   ;; found it?
						    #f)))
           (if meta                     ;; construct the switch/param pair.
					(list meta value)
					'())))
          
				(filter cdr args-data)))))
    (print  "Alldat: " alldat  ) ;;Do not remove. This is uesed by other applications to calculate z card 
    ;(exit)
    (add-z-card
     (apply construct-sdat alldat))))

(define (simple-setup start-dir-in)
  (let* ((start-dir (or start-dir-in "."))
	 (mtconfig  (or (args:get-arg "-config") "megatest.config"))

    ;; we set some dynamic data in a section called "scratchdata"
    (if mtconf
	(begin
	  (configf:section-var-set! mtconf "scratchdat" "toppath" start-dir)))
    ;; (print "TOPPATH: " (configf:lookup mtconf "scratchdat" "toppath"))
    mtconfdat))

;;======================================================================
;; Areas
;;======================================================================

;; look for areas=a1,a2,a3 OR areafn=somefuncname
;;
(define (val-alist->areas val-alist)
  (let ((areas-string   (alist-ref 'areas  val-alist))
	(areas-procname (alist-ref 'areafn val-alist)))
    (if areas-procname ;; areas-procname take precedence
	areas-procname
	(string-split (or areas-string "") ","))))

;; area   - the current area under consideration
;; areas  - the list of allowed areas from the contour spec -OR-
;;          if it is a string then it is the function to use to
;;          lookup in *area-checkers*
;;
(define (area-allowed? area areas runkey contour mode-patt)
  ;;(print "Areas: " areas)
  (cond
   ((not areas) #t) ;; no spec
   ((string? areas) ;; 
    (let ((check-fn (hash-table-ref/default *area-checkers* (string->symbol areas) #f)))
      (if check-fn
	  (check-fn area runkey contour mode-patt)
	  #f)))
   ((list? areas)(member area areas))
   (else #f))) ;; shouldn't get here 

(define (get-area-names mtconf)
  (map car (configf:get-section mtconf "areas")))

;;======================================================================
;; Pkts for remote control
;;======================================================================

;; NEED TIMESTAMP ON PKTS for efficient loading of packets into db.


;; make a run request pkt from basic data, this seriously needs to be refactored
;;   i. Take the code that builds the info to submit to create-run-pkt and have it
;;      generate the pkt keys directly.

				  (print-call-chain)
				  (print "FAILED TO RUN RUNNAME MAPPER " callname " FOR AREA " area)
				  (print " message: " ((condition-property-accessor 'exn 'message) exn))
				  runname)
			      (print "(mapper " (string-intersperse (list runkey runname area area-path reason contour mode-patt) ", ") ")")
			      (mapper runkey runname area area-path reason contour mode-patt))
			    (case callname
			      ((auto #f) runname)
			      (else   runtrans)))))
	 (new-target     target) ;; I believe we will want target manipulation here .. (map-targets xlatr-key runkey area contour))
	 (actual-action  (if action
			     (if (equal? action "sync-prepend")
				 "sync"
				 action)
			     "run"))) ;; this has gotten a bit ugly. Need a function to handle actions processing.
    ;; some hacks to remove switches not needed in certain cases
    (case (string->symbol (or action "run"))
      ((sync sync-prepend)
       (set! new-target #f)
       (set! runame     #f)))
    ;; (print "area-path: " area-path " orig-target: " runkey " new-target: " new-target)
    (let-values (((uuid pkt)
		  (command-line->pkt
		   actual-action
		   (append 
		    `(("-start-dir"  . ,area-path)
		      ;;("-msg"        . ,reason)
                      ("-msg"        . ,"Script-triggered")
		      ("-contour"    . ,contour))
		    (if (good-val new-runname) `(("-run-name"      . ,new-runname)) '())
		    (if (good-val new-target)  `(("-target"        . ,new-target))  '())
		    (if (good-val area)        `(("-area"          . ,area))        '())
		    (if (good-val mode-patt)   `(("-mode-patt"     . ,mode-patt))   '())
		    (if (good-val tag-expr)    `(("-tag-expr"      . ,tag-expr))    '())
		    (if (good-val dbdest)      `(("-sync-to"       . ,dbdest))      '())
		    (if (good-val append-conf) `(("-append-config" . ,append-conf)) '())
		    (if (equal? action "sync-prepend") '(("-prepend-contour" . " "))   '())
		    (if (not (or mode-patt tag-expr))
			`(("-testpatt"  . "%"))

                   extra-dat: `(a ,runkey)  ;; we need the run key for marking the run as launched
                   )))
      (with-output-to-file
	  (conc pktsdir "/" uuid ".pkt")
	(lambda ()
	  (print pkt))))))


























;; (use trace)(trace create-run-pkt)
(define (contains list x) (cond ((null? list) #f) ((eq? (car list) x) #t) (else (contains (cdr list) x))))

;; collect all needed data and create run pkts for contours with changed inputs
;;
(define (generate-run-pkts mtconf toppath)
  (let ((std-runname (conc "sched"  (time->string (seconds->local-time (current-seconds)) "%M%H%d"))))
    (common:with-queue-db
     mtconf
     (lambda (pktsdirs pktsdir pdb)
       (let* ((rgconfdat (find-and-read-config (conc toppath "/runconfigs.config")))
	      (rgconf    (car rgconfdat))
	      (all-areas (map car (configf:get-section mtconf "areas")))
	      (contours  (configf:get-section mtconf "contours"))
	      (torun     (make-hash-table)) ;; target => ( ... info ... )
	      (rgentargs (hash-table-keys rgconf))) ;; these are the targets registered for automatically triggering

	 ;;(print "rgentargs: " rgentargs)
	 
	 (for-each
	  (lambda (runkey)
	    (let* ((keydats   (configf:get-section rgconf runkey)))
	      (for-each
	       (lambda (sense) ;; these are the sense rules
		 (let* ((key        (car sense))

			(target     (alist-ref 'target   val-alist))
			(crontab    (alist-ref 'cron     val-alist))
			(areas      (val-alist->areas    val-alist)) ;; areas can be a single string (a reference to call an areas function), or a list of area names.
			(dbdest     (alist-ref 'dbdest   val-alist))
			(appendconf (alist-ref 'appendconf val-alist))
			(file-globs (alist-ref 'glob val-alist))
			
			(runstarts  (find-pkts pdb '(runstart) `((c . ,contour)
								 (t . ,runkey))))
			(rspkts     (common:get-pkt-alists runstarts))
			;; starttimes is for run start times and is used to know when the last run was launched
			(starttimes (common:get-pkt-times rspkts)) ;; sort by age (youngest first) and delete duplicates by target
			(last-run   (if (null? starttimes) ;; if '() then it has never been run, else get the max
					0
					(apply max (map cdr starttimes))))

						    (runtrans . ,runtrans)
						    (action   . ,action)
						    (areas    . ,areas)
						    (target   . ,target))))
			      (else
			       (print "ERROR: action \"" action "\" has no scheduled handler")
			       )))))


		     ;; script based sensors
		     ;;
		     ((script)
		      ;; syntax is a little different here. It is a list of commands to run, "scriptname = extra_parameters;scriptname = ..."
		      ;; where scriptname may be repeated multiple times. The script must return unix-epoch of last change, new-target-name and new-run-name
		      ;; the script is called like this:  scriptname contour runkey std-runname action extra_param1 extra_param2 ...

				      (message     (if (null? rem-lines)
						       cmd
						       (string-intersperse rem-lines "-")))
				      (need-run    (> last-change last-run)))
				 (print "last-run: " last-run " need-run: " need-run)
				 (if need-run
				     (let* ((key-msg    `((message  . ,(conc ruletype ":" message))
							  (runname  . ,new-runname)
							  (runtrans . ,runtrans)
							  (action   . ,action)
							  (areas    . ,areas)
							  ;;(target   . ,(list new-target)) ;; overriding with result from runing the script
                                                          )))
				       (print "key-msg: " key-msg)
				       (push-run-spec torun contour
						      (if optional  ;; we need to be able to differentiate same contour, different behavior. 
							  (conc runkey ":" optional)  ;; NOTE: NOT COMPLETELY IMPLEMENTED. DO NOT USE
							  runkey)
						      key-msg)))))))
		       val-alist)) ;; iterate over the param split by ;\s*

		     ;; script based sensors
		     ;;
		     ((area-script)
		      ;; syntax is a little different here. It is a list of commands to run, "scriptname = extra_parameters;scriptname = ..."
		      ;; where scriptname may be repeated multiple times. The script must return unix-epoch of last change, new-target-name and new-run-name
		      ;; the script is called like this:  scriptname contour runkey std-runname action extra_param1 extra_param2 ...
		      (for-each
		       (lambda (cmd)
			 ;;(print "cmd: " cmd)
                         ;;(print "Areas: " all-areas)
                         (for-each 
                           (lambda (area) 
			     (if (area-allowed? area "area-needs-to-be-run" runkey contour #f) ;; is this area to be handled (from areas=a,b,c OR using areafn=abcfn and *area-checks* ...)
       
			     (let* ((script (car cmd))
				(params (cdr cmd))
				(cmd    (conc script " " contour " " area " " runkey " " std-runname " " action " " params))
				(res    (handle-exceptions
					    exn
					    #f
					  (print "Running " cmd)
					  (with-input-from-pipe cmd read-lines))))
			     (if (and res (not (null? res)))
			       (let* ((parts       (string-split (car res))) ;;
				      (rem-lines   (cdr res))
				      (num-parts   (length parts))
				      (last-change (string->number (if (> num-parts 0)(car parts) "abc")))  ;; force no run if not a number returned
				      (new-target  (if (> num-parts 1)
						       (cadr parts)
						       runkey))
				      (new-runname (if (> num-parts 2)
						       (caddr parts)
						       std-runname))
                        	      (area-pkts  (find-pkts pdb '(runstart) `((c . ,contour)
                                                                               (t . ,runkey)
                                                                               (G . ,area ))))
                                      (runstarts (filter (lambda (my-pkt)
                                           ;;(print my-pkt)
                                           (not (contains (map
                                               (lambda (c)
                                                ;;(print "C: " c "PKT: " my-pkt) 
                                                (let* ((ctype (car c))
                                                       (rx (cdr c))
                                                       ;;(foo2 (print "Ctype: " ctype " RX: " rx))
                                                       (pkt (alist-ref 'pkt my-pkt))
                                                       (apkt (pkt->alist pkt))
                                                       (cdat (alist-ref ctype apkt)))
                                                 (if rx
                                                 (if (string-match "t" (symbol->string ctype) )
                                                 (begin (if #f (print "RX: " rx " CDAT: " (string-join (take (string-split cdat "/") 3) "/"))) (if cdat (string-match rx (string-join (take (string-split cdat "/") 3) "/")) #f))
                                                 (begin (if #f (print "RX: " rx " CDAT: " cdat)) (if cdat (string-match rx cdat) #f))) #f)

                                               ))
                                          `((c . ,contour) (t . ,runkey) (G . ,area))) #f)))
                                        area-pkts))

                                      ;;(test (pp runstarts))
                        	      (rspkts     (common:get-pkt-alists runstarts))
                        	      ;; starttimes is for run start times and is used to know when the last run was launched
                        	      (starttimes (common:get-pkt-times rspkts)) ;; sort by age (youngest first) and delete duplicates by target
                        	      (last-run   (if (null? starttimes) ;; if '() then it has never been run, else get the max
                                          0
                                        (apply max (map cdr starttimes))))

                                     ;; (last-run  9) ;; I think we can do a more valid calculation for this based on the run started packets for this particular area and target
                                      (reason "Area-script-triggered")
                                      (mode-patt #f)
                                      (tag-expr #f)
				      (sched #f)
				      (message     (if (null? rem-lines)
						       cmd
						       (string-intersperse rem-lines "-")))
				      (need-run    (> last-change last-run)))
				 (print "last-change: " last-change " last-run: " last-run " need-run: " need-run)
				 (if need-run
				     (let* ((key-msg    `((message  . ,(conc ruletype ":" message))
							  (runname  . ,new-runname)
							  (runtrans . ,runtrans)
							  (action   . ,action)
							  (areas    . ,area)
							  ;;(target   . ,(list new-target)) ;; overriding with result from runing the script
                                                          ))
							(aval       (or (configf:lookup mtconf "areas" area) ""))
                                    			(aval-alist (common:val->alist aval))

							(targets (map-targets mtconf aval-alist runkey area contour)))
                                        (pp targets)
				        (for-each (lambda (target) (create-run-pkt mtconf action area runkey target new-runname mode-patt
                                                      tag-expr pktsdir reason contour sched dbdest append
                                                      runtrans)) targets)

                                       ;;(create-run-pkt mtconf action area runkey target runname
                                       ;;               pktsdir reason contour dbdest append
                                       ;;               runtrans)
				       (print "key-msg: " key-msg)
				       ;;(push-run-spec torun contour
				;;		      (if optional  ;; we need to be able to differentiate same contour, different behavior. 
				;;			  (conc runkey ":" optional)  ;; NOTE: NOT COMPLETELY IMPLEMENTED. DO NOT USE
				;;			  runkey)
				;;		      key-msg)
                                       ))))))) all-areas)
		       ) val-alist)) ;; iterate over the param split by ;\s*

		     ;; fossil scm based triggers
		     ;;
		     ((fossil)
		      (for-each
		       (lambda (fspec)
			 (print "fspec: " fspec)
			 (let* ((url         (symbol->string (car fspec))) ;; THIS COULD BE TROUBLE. Add option to reading line to return as string.

		   (mode-patt  (and mode-tag (if (eq? (length mode-tag) 2)(cadr mode-tag) #f)))
		   (tag-expr   (and mode-tag (if (null? mode-tag) #f (car mode-tag)))))
	      (print "contour: " contour " areas=" areas " cval=" cval)
	      (for-each
	       (lambda (runkeydatset) 
		 ;; (print "runkeydatset: ")(pp runkeydatset)
		 (let ((runkey     (car runkeydatset))
		       (runkeydats (cadr runkeydatset))
                       )
		   (for-each
		    (lambda (runkeydat)
		      (for-each
		       (lambda (area)
			 (if (area-allowed? area areas runkey contour mode-patt) ;; is this area to be handled (from areas=a,b,c OR using areafn=abcfn and *area-checks* ...)
                             (let* ((aval       (or (configf:lookup mtconf "areas" area) ""))
                                    (aval-alist (common:val->alist aval))
                                    (runname    (alist-ref 'runname runkeydat))
                                    (runtrans   (alist-ref 'runtrans runkeydat))
                                    
                                    (reason     (alist-ref 'message runkeydat))
                                    (sched      (alist-ref 'sched   runkeydat))
                                    (action     (alist-ref 'action  runkeydat))
                                    (dbdest     (alist-ref 'dbdest  runkeydat))
                                    (append     (alist-ref 'append  runkeydat))
                                    (targets    ;;(or (alist-ref 'target  runkeydat)
                                                    (map-targets mtconf aval-alist runkey area contour))) ;; override with target if forced
                                    ;;(targets    (or (alist-ref 'target  runkeydat)
                                    ;;                (map-targets mtconf aval-alist runkey area contour)))) ;; override with target if forced
                               ;; NEED TO EXPAND RUNKEY => ALL TARGETS MAPPED AND THEN FOREACH .... 
                               ;;(print "Targets: " targets)
                               ;;(print "alist: " (alist-ref 'target runkeydat))
                               (for-each
                                (lambda (target)
                                  (print "Creating pkt for runkey=" runkey " target=" target " contour=" contour " area=" area " action=" action " tag-expr=" tag-expr " mode-patt=" mode-patt)
                                  (if (case (or (and action (string->symbol action)) 'noaction)  ;; ensure we have the needed data to run this action
                                        ((noaction)           #f)
                                        ((run)                (and runname reason))
                                        ((sync sync-prepend)  (and reason dbdest))

                          ((-set-state-status) (conc (alist-ref 'l pkta) " "))
                          (else ""))))
    (fold (lambda (a res)
	    (let* ((key (car a)) ;; get the key name
		   (val (cdr a))
		   (par (or (lookup-param-by-key key)  ;; need to check also if it is a switch
			    (lookup-param-by-key key inlst: *switch-keys*))))
	      (print "key: " key " val: " val " par: " par)
	      ;;(if (and par  (not (string= (symbol->string key) "G")))
	      (if (and par)
		  (conc res " " (alist-ref (string->symbol par) param-mapping-alist eq? par) " " val)
		  (if (alist-ref key *additional-cards*) ;; these cards do not translate to parameters or switches
		      res
		      (begin
			(print "ERROR: Unknown key in packet \"" key "\" with value \"" val "\"")
			res)))))
	  (conc "megatest " (if (not (member action '("sync")))

			(let-values (((ack-uuid ack-pkt)
				      (add-z-card
				       (construct-sdat 'P uuid
						       'T (case (string->symbol action)
							    ((run) "runstart")
							    ((sync) "syncstart")    ;; example of translating run -> runstart
							    (else   action))
                                                       'G (alist-ref 'G pkta)
						       'c (alist-ref 'c pkta) ;; THIS IS WRONG! SHOULD BE 'c
						       't (alist-ref 't pkta)))))
			  (write-pkt pktsdir ack-uuid ack-pkt))))
		  (begin ;; access denied! Mark as such
		    (mark-processed pdb (list (alist-ref 'id pktdat)))
		    (let-values (((ack-uuid ack-pkt)
				  (add-z-card
				   (construct-sdat 'P uuid

	  (cond
	   ((and access-types (member action allowed-actions))
	    ;; (print "Access granted for " user " for " action)
	    #t)
	   (else
	    ;; (print "Access denied for " user " for " action)
	    #f))))))

(define (open-logfile logpath)
  (condition-case
   (let* ((log-dir (or (pathname-directory logpath) ".")))
     (if (not (directory-exists? log-dir))
         (system (conc "mkdir -p " log-dir)))
     (open-output-file logpath))
   (exn ()
        (debug:print-error 0 *default-log-port* "Could not open log file for write: "logpath)
        (define *didsomething* #t)  
        (exit 1))))


(define (get-pkts-dir mtconf)
  (let ((pktsdirs  (configf:lookup mtconf "setup" "pktsdirs"))
	(pktsdir   (if pktsdirs (car (string-split pktsdirs " ")) #f)))
    pktsdir))

(let ((debugcontrolf (conc (get-environment-variable "HOME") "/.mtutilrc")))
  (if (common:file-exists? debugcontrolf)
      (load debugcontrolf)))

(if (args:get-arg "-log") ;; redirect the log always when a server
    (handle-exceptions
	exn
	(begin
	  (print "ERROR: Failed to switch to log output. " ((condition-property-accessor 'exn 'message) exn))
	  )
      (let* ((tl   (args:get-arg "-log"))   ;; run launch:setup if -server, ensure we do NOT run launch:setup if -log specified
	     (logf (args:get-arg "-log")) ;; use -log unless we are a server, then craft a logfile name
	     (oup  (open-logfile logf)))
	;(if (not (args:get-arg "-log"))
	;    (hash-table-set! args:arg-hash "-log" logf)) ;; fake out future queries of -log
	(print *default-log-port* "Sending log output to " logf)
	(set! *default-log-port* oup)
)))

(if *action*
    (case (string->symbol *action*)
      ((run remove rerun rerun-clean rerun-all set-ss archive kill list)
       (let* ((mtconfdat (simple-setup (args:get-arg "-start-dir")))
	      (mtconf    (car mtconfdat))
	      (area      (args:get-arg "-area")) ;; look up the area to dispatch to from [areas] section

	       ((sqlite3schema)
		(let* ((install-home (common:get-install-area))
		       (schema-file  (conc install-home "/share/db/mt-sqlite3.sql")))
		  (if (common:file-exists? schema-file)
		      (system (conc "/bin/cat " schema-file)))))
	       ((junk)
		(rmt:get-keys))))))
    ((tsend)
       (if (null? remargs)
	      (print "ERROR: missing data to send to trigger listeners")
	      (let* ((msg       (car remargs))
                  (mtconfdat (simple-setup (args:get-arg "-start-dir")))
                  (mtconf    (car mtconfdat))
                  (time-out  (if (args:get-arg "-time-out")
                                 (string->number (args:get-arg "-time-out")) 
                               5))
                  (listeners (configf:get-section mtconf "listeners"))
                  (user-info  (user-information (current-user-id)))
                  (prev-seen (make-hash-table))) ;; catch duplicates
             (if user-info
              (begin
               (for-each
              (lambda (listener)
                (let ((host-port (car listener))
                      (attrib (val->alist (cadr listener))))
                  (if (and (equal? msg "time-to-die") (not (can-user-kill-listner user-info attrib)))
                   (begin
                      (debug:print-error 0 *default-log-port* "User " (car user-info) " is not allowed to send message '" msg"'")
                      (exit 1)))
                  (print "sending " msg " to " host-port )
                  (open-send-close-nn host-port msg attrib timeout: time-out )))
              listeners))
              (begin
               (debug:print-error 0 *default-log-port* "Could not Identify executing user. Will not send any message")
               (exit 1))))))
      
      ((tlisten)
       (if (null? remargs)
           (print "ERROR: useage for tlisten is \"mtutil tlisten portnum\"")
           (let ((portnum (string->number (car remargs))))
              
             (if (not portnum)
                 (print "ERROR: the portnumber parameter must be a number, you gave: " (car remargs))
                 (begin
                   (if (not (is-port-in-use portnum))  
                       (let* ((rep       (start-nn-server portnum))
                              (mtconfdat (simple-setup (args:get-arg "-start-dir")))
                              (mtconf    (car mtconfdat))
                              (contact   (configf:lookup mtconf "listener" "owner"))
                              (script    (configf:lookup mtconf "listener" "script")))
                         (print "Listening on port " portnum " for messages.")
                         (set-signal-handler! signal/int  (lambda (signum) 
															(set! *time-to-exit* #t)
  														(debug:print-error 0 *default-log-port* "Received signal " signum " sending email befor exiting !!")
  														(let ((email-body (mtut:stml->string (s:body
																						(s:p (conc "Received signal " signum ". Lister has been terminated on host " (get-environment-variable "HOST") ". "))))))
             					        (sendmail contact "Listner has been terminated." email-body  use_html: #t))
                              (exit)))
															(set-signal-handler! signal/term  (lambda (signum) 
															(set! *time-to-exit* #t)
  														(debug:print-error 0 *default-log-port* "Received signal " signum " sending email befor exiting !!")
  														(let ((email-body (mtut:stml->string (s:body
																						(s:p (conc "Received signal " signum ". Lister has been terminated on host " (get-environment-variable "HOST") ". "))))))
             					        (sendmail contact "Listner has been terminated." email-body  use_html: #t))
                              (exit)))

                         ;(set-signal-handler! signal/term special-signal-handler)
                         
                         (let loop ((instr (nn-recv rep)))
                             (nn-send rep "ok")
                             (let ((ctime (date->string (current-date)))) 
                             (if  (equal? instr "time-to-die")
                              (begin 
                              (debug:print 0 *default-log-port* ctime " received '" instr "'. Time to sucide." )
                               (let ((pid  (current-process-id)))
                              (debug:print 0 *default-log-port* "Killing current process (pid=" pid ")")
                               (system (conc "kill " pid))))  
                             (begin
															   (debug:print 0 *default-log-port* ctime " received " instr )
																;(nn-send rep "ok")
                                (if (not (equal? instr "ping"))
                                  (begin
                                   (debug:print 0 *default-log-port* ctime " running \"" script " " instr "\"")
                                    ;(system (conc script " '" instr "'"))
                                      (process-run script (list (conc "'" instr "'")))  
                                     (debug:print 0 *default-log-port* ctime " done" ))))))
                           (loop (nn-recv rep))))
		       (print "ERROR: Port " portnum " already in use. Try another port")))))))
      ((gather) ;; gather all area db's into /tmp/$USER_megatest/alldbs
       (let* ((mtconfdat (simple-setup (args:get-arg "-start-dir")))
              (mtconf    (car mtconfdat))
              (areas     (get-area-names mtconf)))
         (print "areas: " areas)))
      
      (else
       (let ((all-actions (sort (map conc (delete-duplicates (append *other-actions* (map car *action-keys*)))) string<=?)))
	 (print "unrecognised action: \"" *action* "\", try one of; \"" (string-intersperse all-actions "\", \"") "\"")))
      
      )) ;; the end