Index: common.scm
==================================================================
--- common.scm
+++ common.scm
@@ -47,12 +47,14 @@
 (define *last-db-access*    (current-seconds))  ;; update when db is accessed via server
 (define *max-cache-size*    0)
 (define *logged-in-clients* (make-hash-table))
 (define *client-non-blocking-mode* #f)
 (define *server-id*         #f)
-(define *time-to-exit* #f)
+(define *server-info*       #f)
+(define *time-to-exit*      #f)
 (define *received-response* #f)
+(define *default-numtries*  2)
 
 (define *target*            (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
 (define *keys*              (make-hash-table)) ;; cache the keys here
 (define *keyvals*           (make-hash-table))
 (define *toptest-paths*     (make-hash-table)) ;; cache toptest path settings here

Index: db.scm
==================================================================
--- db.scm
+++ db.scm
@@ -11,14 +11,14 @@
 
 ;;======================================================================
 ;; Database access
 ;;======================================================================
 
-(require-extension (srfi 18) extras tcp rpc)
-(import (prefix rpc rpc:))
+(require-extension (srfi 18) extras tcp) ;;  rpc)
+;; (import (prefix rpc rpc:))
 
-(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n)
+(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n md5 message-digest)
 (import (prefix sqlite3 sqlite3:))
 
 (use zmq)
 
 (declare (unit db))
@@ -781,11 +781,11 @@
 		;;(debug:print 0 "QRY: " qry)
 		(sqlite3:execute db qry run-id newstate newstatus testname testname)))
 	    testnames))
 
 (define (cdb:delete-tests-in-state zmqsocket run-id state)
-  (cdb:client-call zmqsocket 'delete-tests-in-state #t run-id state))
+  (cdb:client-call zmqsocket 'delete-tests-in-state #t *default-numtries* run-id state))
 
 ;; speed up for common cases with a little logic
 (define (db:test-set-state-status-by-id db test-id newstate newstatus newcomment)
   (cond
    ((and newstate newstatus newcomment)
@@ -960,14 +960,14 @@
    db 
    "UPDATE tests SET comment=? WHERE id=?;"
    comment test-id))
 
 (define (cdb:test-set-rundir! zmqsocket run-id test-name item-path rundir)
-  (cdb:client-call zmqsocket 'test-set-rundir #t rundir run-id test-name item-path))
+  (cdb:client-call zmqsocket 'test-set-rundir #t *default-numtries* rundir run-id test-name item-path))
 
 (define (cdb:test-set-rundir-by-test-id zmqsocket test-id rundir)
-  (cdb:client-call zmqsocket 'test-set-rundir-by-test-id #t rundir test-id))
+  (cdb:client-call zmqsocket 'test-set-rundir-by-test-id #t *default-numtries* rundir test-id))
 
 (define (db:test-get-rundir-from-test-id db test-id)
   (let ((res #f)) ;; (hash-table-ref/default *test-paths* test-id #f)))
     ;; (if res
     ;;     res
@@ -980,11 +980,11 @@
      test-id)
     ;; (hash-table-set! *test-paths* test-id res)
     res)) ;; ))
 
 (define (cdb:test-set-log! zmqsocket test-id logf)
-  (if (string? logf)(cdb:client-call zmqsocket 'test-set-log #f logf test-id)))
+  (if (string? logf)(cdb:client-call zmqsocket 'test-set-log #f *default-numtries* logf test-id)))
 
 ;;======================================================================
 ;; Misc. test related queries
 ;;======================================================================
 
@@ -1095,86 +1095,10 @@
 ;;   (let loop ()
 ;;     (thread-sleep! 10) ;; move save time around to minimize regular collisions?
 ;;     (db:write-cached-data)
 ;;     (loop)))
 
-;; cdb:cached-access is called by the server loop to dispatch commands or queue up
-;; db accesses
-;;
-;; params := qry-name cached? val1 val2 val3 ...
-(define (cdb:cached-access params)
-  (debug:print-info 12 "cdb:cached-access params=" params)
-  (if (< (length params) 2)
-      "ERROR"
-      (let ((qry-name (car params))
-	    (cached?  (cadr params))
-	    (remparam (list-tail params 2))) 
-	(debug:print-info 12 "cdb:cached-access qry-name=" qry-name " params=" params)
-	(if (not cached?)(db:write-cached-data))
-	;; Any special calls are dispatched here. 
-	;; Remainder are put in the db queue
-	(case qry-name
-	  ((login) ;; login checks that the megatest path and version matches
-	   (if (< (length remparam) 3) ;; should get toppath, version and signature
-	       '(#f "login failed due to missing params") ;; missing params
-	       (let ((calling-path (car   remparam))
-		     (calling-vers (cadr  remparam))
-		     (client-key   (caddr remparam)))
-		 (if (and (equal? calling-path *toppath*)
-			  (equal? megatest-version calling-vers))
-		     (begin
-		       (hash-table-set! *logged-in-clients* client-key (current-seconds))
-		       '(#t "successful login"))      ;; path matches - pass! Should vet the caller at this time ...
-		     (list #f (conc "Login failed due to mismatch paths: " calling-path ", " *toppath*))))))
-	  ((logout)
-	   (if (and (> (length remparam) 1)
-		    (eq? *toppath* (car remparam))
-		    (hash-table-ref/default *logged-in-clients* (cadr remparam) #f))
-	       #t
-	       #f))
-	  ((numclients)
-	   (length (hash-table-keys *logged-in-clients*)))
-	  ((flush)
-	   (db:write-cached-data)
-	   #t)
-	  ((immediate)
-	   (db:write-cached-data)
-	   (if (not (null? remparam))
-	       (apply (car remparam) (cdr remparam))
-	       "ERROR"))
-	  ((killserver)
-	   ;; (db:write-cached-data)
-	   (debug:print-info 0 "Remotely killed server on host " (get-host-name) " pid " (current-process-id))
-	   (set! *time-to-exit* #t)
-	   #t)
-	  ((set-verbosity)
-	   (set! *verbosity* (caddr params))
-	   *verbosity*)
-	  ((get-verbosity)
-	   *verbosity*)
-	  ((ping)
-	   'hi)
-	  (else
-	   (mutex-lock! *incoming-mutex*)
-	   (set! *last-db-access* (current-seconds))
-	   (set! *incoming-data* (cons 
-				  (vector qry-name
-					  (current-milliseconds)
-					  remparam)
-				  *incoming-data*))
-	   (mutex-unlock! *incoming-mutex*)
-	   ;; NOTE: if cached? is #f then this call must be run immediately
-	   ;;       but first all calls in the queue are run first in the order
-	   ;;       of their time stamp
-	   (if (and cached? *cache-on*)
-	       (begin
-		 (debug:print-info 12 "*cache-on* is " *cache-on* ", skipping cache write")
-		 "CACHED")
-	       (begin
-		 (db:write-cached-data)
-		 "WRITTEN")))))))
-
 (define (db:obj->string obj)(with-output-to-string (lambda ()(serialize obj))))
 (define (db:string->obj msg)(with-input-from-string msg (lambda ()(deserialize))))
 
 (define (cdb:use-non-blocking-mode proc)
   (set! *client-non-blocking-mode* #t)
@@ -1181,72 +1105,98 @@
   (let ((res (proc)))
     (set! *client-non-blocking-mode* #f)
     res))
   
 ;; params = 'target cached remparams
-(define (cdb:client-call zmq-socket . params)
-  (debug:print-info 11 "cdb:client-call zmq-socket=" zmq-socket " params=" params)
-  (let ((zdat (db:obj->string params)) ;; (with-output-to-string (lambda ()(serialize params))))
-	(res  #f))
-    ;; (signal-mask! signal/int)
-    (set! *received-response* #f)
-    (send-message zmq-socket zdat)
-    ;; (signal-unmask! signal/int)
-    (set! res (db:string->obj (if *client-non-blocking-mode* 
-				  (receive-message* zmq-socket)
-				  (receive-message  zmq-socket))))
-    (set! *received-response* #t)
-    (debug:print-info 11 "zmq-socket " (car params) " res=" res)
-    res))
+;;
+;; make-vector-record cdb packet client-sig qtype immediate query-sig params qtime
+;;
+(define (cdb:client-call zmq-sockets qtype immediate numretries . params)
+  (debug:print-info 11 "cdb:client-call zmq-sockets=" zmq-sockets ", qtype=" qtype ", immediate=" immediate ", numretries=" numretries ", params=" params)
+  (let* ((push-socket (vector-ref zmq-sockets 0))
+	 (sub-socket  (vector-ref zmq-sockets 1))
+	 (client-sig  (server:get-client-signature))
+	 (query-sig   (message-digest-string (md5-primitive) (conc qtype immediate params)))
+	 (zdat        (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds)))) ;; (with-output-to-string (lambda ()(serialize params))))
+	 (res  #f)
+	 (send-receive (lambda ()
+			 (debug:print-info 11 "sending message")
+			 (send-message push-socket zdat)
+			 (debug:print-info 11 "message sent")
+			 (let ((rmsg receive-message*)) ;; (if *client-non-blocking-mode* receive-message* receive-message)))
+			   ;; get the sender info
+			   ;; this should match (server:get-client-signature)
+			   ;; we will need to process "all" messages here some day
+			   (rmsg sub-socket)
+			   ;; now get the actual message
+			   (set! res (db:string->obj (rmsg  sub-socket))))))
+	 (timeout (lambda ()
+		    (thread-sleep! 60)
+		    (if (not res)
+			(if (> numretries 0)
+			    (begin
+			      (debug:print 0 "WARNING: no reply to query " params ", trying again")
+			      (apply cdb:client-call zmq-sockets qtype immediate (- numretries 1) params))
+			    (begin
+			      (debug:print 0 "ERROR: cdb:client-call timed out " params ", exiting.")
+			      (exit 5)))))))
+    (debug:print-info 11 "Starting threads")
+    (let ((th1 (make-thread send-receive "send receive"))
+	  (th2 (make-thread timeout      "timeout")))
+      (thread-start! th1)
+      (thread-start! th2)
+      (thread-join!  th1)
+      (debug:print-info 11 "cdb:client-call returning res=" res)
+      res)))
   
 (define (cdb:set-verbosity zmq-socket val)
-  (cdb:client-call zmq-socket 'set-verbosity #f val))
+  (cdb:client-call zmq-socket 'set-verbosity #f *default-numtries* val))
 
-(define (cdb:login zmq-socket keyval signature)
-  (cdb:client-call zmq-socket 'login #t keyval megatest-version signature))
+(define (cdb:login zmq-sockets keyval signature)
+  (cdb:client-call zmq-sockets 'login #t *default-numtries* keyval megatest-version signature))
 
 (define (cdb:logout zmq-socket keyval signature)
-  (cdb:client-call zmq-socket 'logout #t keyval signature))
+  (cdb:client-call zmq-socket 'logout #t *default-numtries* keyval signature))
 
 (define (cdb:num-clients zmq-socket)
-  (cdb:client-call zmq-socket 'numclients #t))
+  (cdb:client-call zmq-socket 'numclients #t *default-numtries*))
 
 (define (cdb:test-set-status-state zmqsocket test-id status state msg)
   (if msg
-      (cdb:client-call zmqsocket 'state-status-msg #t state status msg test-id)
-      (cdb:client-call zmqsocket 'state-status #t state status test-id))) ;; run-id test-name item-path minutes cpuload diskfree tmpfree) 
+      (cdb:client-call zmqsocket 'state-status-msg #t *default-numtries* state status msg test-id)
+      (cdb:client-call zmqsocket 'state-status #t *default-numtries* state status test-id))) ;; run-id test-name item-path minutes cpuload diskfree tmpfree) 
 
 (define (cdb:test-rollup-test_data-pass-fail zmqsocket test-id)
-  (cdb:client-call zmqsocket 'test_data-pf-rollup #t test-id test-id test-id test-id))
+  (cdb:client-call zmqsocket 'test_data-pf-rollup #t *default-numtries* test-id test-id test-id test-id))
 
 (define (cdb:pass-fail-counts zmqsocket test-id fail-count pass-count)
-  (cdb:client-call zmqsocket 'pass-fail-counts #t fail-count pass-count test-id))
+  (cdb:client-call zmqsocket 'pass-fail-counts #t *default-numtries* fail-count pass-count test-id))
 
 (define (cdb:tests-register-test zmqsocket run-id test-name item-path)
   (let ((item-paths (if (equal? item-path "")
 			(list item-path)
 			(list item-path ""))))
-    (cdb:client-call zmqsocket 'register-test #t run-id test-name item-path)))
+    (cdb:client-call zmqsocket 'register-test #t *default-numtries* run-id test-name item-path)))
 
 (define (cdb:flush-queue zmqsocket)
-  (cdb:client-call zmqsocket 'flush #f))
+  (cdb:client-call zmqsocket 'flush #f *default-numtries*))
 
 (define (cdb:kill-server zmqsocket)
-  (cdb:client-call zmqsocket 'killserver #f))
+  (cdb:client-call zmqsocket 'killserver #f *default-numtries*))
 
 (define (cdb:roll-up-pass-fail-counts zmqsocket run-id test-name item-path status)
-  (cdb:client-call zmqsocket 'immediate #f open-run-close db:roll-up-pass-fail-counts #f run-id test-name item-path status))
+  (cdb:client-call zmqsocket 'immediate #f *default-numtries* open-run-close db:roll-up-pass-fail-counts #f run-id test-name item-path status))
 
 (define (cdb:get-test-info zmqsocket run-id test-name item-path)
-  (cdb:client-call zmqsocket 'immediate #f open-run-close db:get-test-info #f run-id test-name item-path))
+  (cdb:client-call zmqsocket 'immediate #f *default-numtries* open-run-close db:get-test-info #f run-id test-name item-path))
 
 (define (cdb:get-test-info-by-id zmqsocket test-id)
-  (cdb:client-call zmqsocket 'immediate #f open-run-close db:get-test-info-by-id #f test-id))
+  (cdb:client-call zmqsocket 'immediate #f *default-numtries* open-run-close db:get-test-info-by-id #f test-id))
 
 ;; db should be db open proc or #f
 (define (cdb:remote-run proc db . params)
-  (apply cdb:client-call *runremote* 'immediate #f open-run-close proc #f params))
+  (apply cdb:client-call *runremote* 'immediate #f *default-numtries* open-run-close proc #f params))
 
 (define (db:test-get-logfile-info db run-id test-name)
   (let ((res #f))
     (sqlite3:for-each-row 
      (lambda (path final_logf)
@@ -1276,66 +1226,101 @@
                                     END WHERE id=?;")
 	'(test-set-log            "UPDATE tests SET final_logf=? WHERE id=?;")
 	'(test-set-rundir-by-test-id "UPDATE tests SET rundir=? WHERE id=?")
 	'(test-set-rundir         "UPDATE tests SET rundir=? WHERE run_id=? AND testname=? AND item_path=?;")
 	'(delete-tests-in-state   "DELETE FROM tests WHERE state=? AND run_id=?;")
-	'(tests:test-set-toplog    "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';")
+	'(tests:test-set-toplog   "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';")
     ))
 
 ;; do not run these as part of the transaction
 (define db:special-queries   '(rollup-tests-pass-fail
-			       db:roll-up-pass-fail-counts))
+			       db:roll-up-pass-fail-counts
+                               login
+                               immediate
+			       flush))
 
 ;; not used, intended to indicate to run in calling process
 (define db:run-local-queries '()) ;; rollup-tests-pass-fail))
 
 ;; The queue is a list of vectors where the zeroth slot indicates the type of query to
 ;; apply and the second slot is the time of the query and the third entry is a list of 
 ;; values to be applied
 ;;
-(define (db:write-cached-data)
+(define (db:process-queue pubsock indata)
   (open-run-close
    (lambda (db . junkparams)
      (let ((queries    (make-hash-table))
-	   (data       #f))
-       (mutex-lock! *incoming-mutex*)
-       (set! data (sort *incoming-data* (lambda (a b)(< (vector-ref a 1)(vector-ref b 1)))))
-       (set! *incoming-data* '())
-       (mutex-unlock! *incoming-mutex*)
+	   (data       (sort indata (lambda (a b)
+				      (< (cdb:packet-get-qtime a)(cdb:packet-get-qtime b))))))
        (if (> (length data) 0)
 	   (debug:print-info 4 "Writing cached data " data))
 
        ;; prepare the needed statements, do each only once
        (for-each (lambda (request-item)
-		   (let ((stmt-key (vector-ref request-item 0)))
+		   (let ((stmt-key (cdb:packet-get-qtype request-item)))
+		     (debug:print-info 11 "stmt-key=" stmt-key ", request-item=" request-item)
 		     (if (not (hash-table-ref/default queries stmt-key #f))
 			 (let ((stmt (alist-ref stmt-key db:queries)))
+			   (debug:print-info 11 "stmt-key=" stmt-key ", stmt=" stmt)
 			   (if stmt
 			       (hash-table-set! queries stmt-key (sqlite3:prepare db (car stmt)))
 			       (if (procedure? stmt-key)
 				   (hash-table-set! queries stmt-key #f)
-				   (debug:print 0 "ERROR: Missing query spec for " stmt-key "!")))))))
+				   (if (not (member stmt-key db:special-queries))
+				       (debug:print 0 "ERROR: Missing query spec for " stmt-key "!"))))))))
 		 data)
        
        ;; outer loop to handle special queries that cannot be handled in the
        ;; transaction.
        (let outerloop ((special-qry #f)
 		       (stmts       data))
+	 (debug:print-info 11 "special-qry=" special-qry ", stmts=" stmts)
 	 (if special-qry
 
 	     ;; handle a query that cannot be part of the grouped queries
-	     (let* ((stmt-key (vector-ref special-qry 0))
-		    (qry      (hash-table-ref queries stmt-key))
-		    (params   (vector-ref special-qry 2)))
-	       (if (string? qry)
-		   (apply sqlite3:execute db qry params)
-		   (if (procedure? stmt-key)
-		       (begin
-			 ;; we are being handed a procedure so call it
-			 (debug:print-info 11 "Running (apply " stmt-key " " db " " params ")")
-			 (apply stmt-key db params))
-		       (debug:print 0 "ERROR: Unrecognised queued call " qry " " params)))
+	     (let* ((stmt-key       (cdb:packet-get-qtype special-qry))
+		    (return-address (cdb:packet-get-client-sig special-qry))
+		    (qry            (hash-table-ref/default queries stmt-key #f))
+		    (params         (cdb:packet-get-params special-qry)))
+	       (debug:print-info 11 "Special queries/requests stmt-key=" stmt-key ", return-address=" return-address ", qry=" qry ", params=" params)
+	       (cond
+		;; Special queries
+		((string? qry)
+		 (apply sqlite3:execute db qry params)
+		 (server:reply pubsock return-address #t))
+		;; ((and (not (null? params))
+		;;       (procedure? (car params)))
+		;;  (let ((proc      (car params))
+		;;        (remparams (cdr params)))
+		;;    ;; we are being handed a procedure so call it
+		;;    (debug:print-info 11 "Running (apply " proc " " db " " remparams ")")
+		;;    (server:reply pubsock return-address (apply proc db remparams))))
+		
+		(else 
+		 (case stmt-key
+		   ((immediate)
+		    (let ((proc      (car params))
+			  (remparams (cdr params)))
+		      ;; we are being handed a procedure so call it
+		      (debug:print-info 11 "Running (apply " proc " " remparams ")")
+		      (server:reply pubsock return-address (apply proc remparams))))
+		   ((login)
+		    (if (< (length params) 3) ;; should get toppath, version and signature
+			'(#f "login failed due to missing params") ;; missing params
+			(let ((calling-path (car   params))
+			      (calling-vers (cadr  params))
+			      (client-key   (caddr params)))
+			  (if (and (equal? calling-path *toppath*)
+				   (equal? megatest-version calling-vers))
+			      (begin
+				(hash-table-set! *logged-in-clients* client-key (current-seconds))
+				(server:reply  pubsock return-address '(#t "successful login")))      ;; path matches - pass! Should vet the caller at this time ...
+			      (list #f (conc "Login failed due to mismatch paths: " calling-path ", " *toppath*))))))
+		   ((flush)
+		    (server:reply pubsock return-address '(#t "sucessful flush")))
+		   (else
+		    (debug:print 0 "ERROR: Unrecognised queued call " qry " " params)))))
 	       (if (not (null? stmts))
 		   (outerloop #f stmts)))
 
 	     ;; handle normal queries
 	     (let ((rem (sqlite3:with-transaction 
@@ -1344,20 +1329,22 @@
 			   (debug:print-info 11 "flushing " stmts " to db")
 			   (if (null? stmts)
 			       stmts
 			       (let innerloop ((hed (car stmts))
 					       (tal (cdr stmts)))
-				 (let ((params   (vector-ref hed 2))
-				       (stmt-key (vector-ref hed 0)))
-				   (if (or (procedure? stmt-key)
+				 (let ((params         (cdb:packet-get-params hed))
+				       (return-address (cdb:packet-get-client-sig hed))
+				       (stmt-key       (cdb:packet-get-qtype hed)))
+				   (if (or (not (hash-table-ref/default queries stmt-key #f))
 					   (member stmt-key db:special-queries))
 				       (begin
 					 (debug:print-info 11 "Handling special statement " stmt-key)
 					 (cons hed tal))
 				       (begin
 					 (debug:print-info 11 "Executing " stmt-key " for " params)
 					 (apply sqlite3:execute (hash-table-ref queries stmt-key) params)
+					 (server:reply pubsock return-address #t)
 					 (if (not (null? tal))
 					     (innerloop (car tal)(cdr tal))
 					     '()))
 				       ))))))))
 	       (if (not (null? rem))

Index: db_records.scm
==================================================================
--- db_records.scm
+++ db_records.scm
@@ -118,5 +118,19 @@
 (define-inline (db:step-stable-set-runtime!   vec val)(vector-set! vec 4 val))
 
 ;; use this one for db-get-run-info
 (define-inline (db:get-row    vec)(vector-ref vec 1))
 
+;; The data structure for handing off requests via wire
+(define (make-cdb:packet)(make-vector 6))
+(define-inline (cdb:packet-get-client-sig   vec)    (vector-ref  vec 0))
+(define-inline (cdb:packet-get-qtype        vec)    (vector-ref  vec 1))
+(define-inline (cdb:packet-get-immediate    vec)    (vector-ref  vec 2))
+(define-inline (cdb:packet-get-query-sig    vec)    (vector-ref  vec 3))
+(define-inline (cdb:packet-get-params       vec)    (vector-ref  vec 4))
+(define-inline (cdb:packet-get-qtime        vec)    (vector-ref  vec 5))
+(define-inline (cdb:packet-set-client-sig!  vec val)(vector-set! vec 0 val))
+(define-inline (cdb:packet-set-qtype!       vec val)(vector-set! vec 1 val))
+(define-inline (cdb:packet-set-immediate!   vec val)(vector-set! vec 2 val))
+(define-inline (cdb:packet-set-query-sig!   vec val)(vector-set! vec 3 val))
+(define-inline (cdb:packet-set-params!      vec val)(vector-set! vec 4 val))
+(define-inline (cdb:packet-set-qtime!       vec val)(vector-set! vec 5 val))

Index: megatest.scm
==================================================================
--- megatest.scm
+++ megatest.scm
@@ -97,12 +97,11 @@
   -env2file fname         : write the environment to fname.csh and fname.sh
   -setvars VAR1=val1,VAR2=val2 : Add environment variables to a run NB// these are
                                  overwritten by values set in config files.
   -server -|hostname      : start the server (reduces contention on megatest.db), use
                             - to automatically figure out hostname
-  -listservers            : list the servers 
-  -killserver host:port|pid : kill server specified by host:port or pid
+  -list-servers            : list the servers 
   -repl                   : start a repl (useful for extending megatest)
 
 Spreadsheet generation
   -extract-ods fname.ods  : extract an open document spreadsheet from the database
   -pathmod path           : insert path, i.e. path/runame/itempath/logfile.html
@@ -121,10 +120,11 @@
 Called as " (string-intersperse (argv) " ") "
 Built from " megatest-fossil-hash ))
 
 ;;  -gui                    : start a gui interface
 ;;  -config fname           : override the runconfig file with fname
+;;  -kill-server host:port|pid : kill server specified by host:port or pid
 
 ;; process args
 (define remargs (args:get-args 
 		 (argv)
 		 (list  "-runtests"  ;; run a specific test
@@ -157,11 +157,11 @@
 			":expected"
 			":tol"
 			":units"
 			;; misc
 			"-server"
-			"-killserver"
+			"-kill-server"
 			"-port"
 			"-extract-ods"
 			"-pathmod"
 			"-env2file"
 			"-setvars"
@@ -184,11 +184,11 @@
 			;; misc
 			"-archive"
 			"-repl"
 			"-lock"
 			"-unlock"
-			"-listservers"
+			"-list-servers"
 			;; queries
 			"-test-paths" ;; get path(s) to a test, ordered by youngest first
 
 			"-runall"    ;; run all tests
 			"-remove-runs"
@@ -270,52 +270,47 @@
 (if (args:get-arg "-server")
     (begin
       (debug:print 1 "Launching server...")
       (server:launch)))
 
-(if (or (args:get-arg "-listservers")
-	(args:get-arg "-killserver"))
+(if (args:get-arg "-list-servers")
+	;; (args:get-arg "-kill-server"))
     (let ((tl (setup-for-run)))
       (if tl 
 	  (let ((servers (open-run-close tasks:get-all-servers tasks:open-db))
-		(fmtstr  "~5a~8a~8a~20a~20a~10a~20a~10a~10a\n")
+		(fmtstr  "~5a~8a~8a~20a~20a~10a~10a~10a~10a\n")
 		(servers-to-kill '()))
-	    (format #t fmtstr "Id" "MTver" "Pid" "Host" "Interface" "Port" "Time" "Priority" "State")
-	    (format #t fmtstr "==" "=====" "===" "====" "=========" "====" "====" "========" "=====")
+	    (format #t fmtstr "Id" "MTver" "Pid" "Host" "Interface" "OutPort" "InPort" "LastBeat" "State")
+	    (format #t fmtstr "==" "=====" "===" "====" "=========" "=======" "======" "========" "=====")
 	    (for-each 
 	     (lambda (server)
-	       (let* ((killinfo   (args:get-arg "-killserver"))
-		      (khost-port (if killinfo (if (substring-index ":" killinfo)(string-split ":") #f) #f))
-		      (kpid       (if killinfo (if (substring-index ":" killinfo) #f (string->number killinfo)) #f))
+	       (let* (;; (killinfo   (args:get-arg "-kill-server"))
+		      ;; (khost-port (if killinfo (if (substring-index ":" killinfo)(string-split ":") #f) #f))
+		      ;; (kpid       (if killinfo (if (substring-index ":" killinfo) #f (string->number killinfo)) #f))
 		      (id         (vector-ref server 0))
 		      (pid        (vector-ref server 1))
 		      (hostname   (vector-ref server 2))
 		      (interface  (vector-ref server 3))
-		      (port       (vector-ref server 4))
-		      (start-time (vector-ref server 5))
-		      (priority   (vector-ref server 6))
-		      (state      (vector-ref server 7))
-		      (mt-ver     (vector-ref server 8))
-		      (status     (open-run-close tasks:server-alive? tasks:open-db #f hostname: hostname port: port))
+		      (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))
 		      (killed     #f)
-		      (zmq-socket (if status (server:client-connect hostname port) #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 (not status)    ;; no point in keeping dead records in the db
-		      (open-run-close tasks:server-deregister tasks:open-db hostname port: port pid: pid))
-
-		 (if (and khost-port ;; kill by host/port
-			  (equal? hostname (car khost-port))
-			  (equal? port (string->number (cadr khost-port))))
-		     (tasks:kill-server status hostname port pid))
-
-		 (if (and kpid
-			  (equal? hostname (get-host-name))
-			  (equal? kpid pid)) ;;; YEP, ALL WITH PID WILL BE KILLED!!!
-		     (tasks:kill-server status hostname #f pid))
-
-		 (format #t fmtstr id mt-ver pid hostname interface port start-time priority 
+		 (if (equal? state "dead")
+		     (if (> last-update (* 25 60 60)) ;; keep records around for slighly over a day.
+			 (open-run-close tasks:server-deregister tasks:open-db hostname pullport: pullport pid: pid action: 'delete))
+		     (if (> last-update 20)        ;; Mark as dead if not updated in last 20 seconds
+			 (open-run-close tasks:server-deregister tasks:open-db hostname pullport: pullport pid: pid)))
+
+		 (format #t fmtstr id mt-ver pid hostname interface pullport pubport last-update
 			 (if status "alive" "dead"))))
 	     servers)
 	    (debug:print-info 1 "Done with listservers")
 	    (set! *didsomething* #t)
 	    (exit) ;; must do, would have to add checks to many/all calls below
@@ -323,11 +318,11 @@
 	  (exit)))
     ;; if not list or kill then start a client (if appropriate)
     (if (or (args-defined? "-h" "-version" "-gen-megatest-area" "-gen-megatest-test")
 	    (eq? (length (hash-table-keys args:arg-hash)) 0))
 	(debug:print-info 1 "Server connection not needed")
-
+	
 	(server:client-launch)))
 
 ;;======================================================================
 ;; Remove old run(s)
 ;;======================================================================

Index: server.scm
==================================================================
--- server.scm
+++ server.scm
@@ -6,12 +6,12 @@
 ;; 
 ;;  This program is distributed WITHOUT ANY WARRANTY; without even the
 ;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 ;;  PURPOSE.
 
-(require-extension (srfi 18) extras tcp rpc s11n)
-(import (prefix rpc rpc:))
+(require-extension (srfi 18) extras tcp s11n)
+;; (import (prefix rpc rpc:))
 
 (use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
 (import (prefix sqlite3 sqlite3:))
 
 (use zmq)
@@ -23,67 +23,107 @@
 (declare (uses tests))
 (declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
 
 (include "common_records.scm")
 (include "db_records.scm")
+
+;; Transition to pub --> sub with pull <-- push
+;;
+;;   1. client sends request to server via push to the pull port
+;;   2. server puts request in queue or processes immediately as appropriate
+;;   3. server puts responses from completed requests into pub port 
+;;
+;; TODO
+;;
+;; Done Tested
+;; [x]  [ ]    1. Add columns pullport pubport to servers table
+;; [x]  [ ]    2. Add rm of monitor.db if older than 11/12/2012 
+;; [x]  [ ]    3. Add create of pullport and pubport with finding of available ports
+;; [x]  [ ]    4. Add client compose of request
+;; [x]  [ ]        - name of client: testname/itempath-test_id-hostname 
+;; [x]  [ ]        - name of request: callname, params
+;; [x]  [ ]        - request key: f(clientname, callname, params)
+;; [ ]  [ ]    5. Add processing of subscription hits
+;; [ ]  [ ]        - done when get key 
+;; [ ]  [ ]        - return results
+;; [ ]  [ ]    6. Add timeout processing
+;; [ ]  [ ]        - after 60 seconds
+;; [ ]  [ ]            i. check server alive, connect to new if necessary
+;; [ ]  [ ]           ii. resend request
+;; [ ]  [ ]    7. Turn self ping back on
 
 (define (server:make-server-url hostport)
   (if (not hostport)
       #f
       (conc "tcp://" (car hostport) ":" (cadr hostport))))
 
 (define  *server-loop-heart-beat* (current-seconds))
 (define *heartbeat-mutex* (make-mutex))
 
-(define (server:self-ping iface port)
-  (let ((zsocket (server:client-connect iface port)))
-    (let loop ()
-      (thread-sleep! 2)
-      (cdb:client-call zsocket 'ping #t)
-      (debug:print 4 "server:self-ping - I'm alive on " iface ":" port "!")
-      (mutex-lock! *heartbeat-mutex*)
-      (set! *server-loop-heart-beat* (current-seconds))
-      (mutex-unlock! *heartbeat-mutex*)
-      (loop))))
-    
+;; (define (server:self-ping server-info)
+;;   ;; server-info: server-id interface pullport pubport
+;;   (let ((iface    (list-ref server-info 1))
+;; 	(pullport (list-ref server-info 2))
+;; 	(pubport  (list-ref server-info 3)))
+;;     (server:client-connect iface pullport pubport)
+;;     (let loop ()
+;;       (thread-sleep! 2)
+;;       (cdb:client-call *runremote* 'ping #t)
+;;       (debug:print 4 "server:self-ping - I'm alive on " iface ":" pullport "/" pubport "!")
+;;       (mutex-lock! *heartbeat-mutex*)
+;;       (set! *server-loop-heart-beat* (current-seconds))
+;;       (mutex-unlock! *heartbeat-mutex*)
+;;       (loop))))
+    
+(define-inline (zmqsock:get-pub  dat)(vector-ref dat 0))
+(define-inline (zmqsock:get-pull dat)(vector-ref dat 1))
+(define-inline (zmqsock:set-pub! dat s)(vector-set! dat s 0))
+(define-inline (zmqsock:set-pull! dat s)(vector-set! dat s 0))
+
 (define (server:run hostn)
   (debug:print 0 "Attempting to start the server ...")
   (if (not *toppath*)
       (if (not (setup-for-run))
 	  (begin
 	    (debug:print 0 "ERROR: cannot find megatest.config, cannot start server, exiting")
 	    (exit))))
-  (let* ((zmq-socket     #f)
-	 (zmq-socket-dat #f)
-	 (iface          (if (string=? "-" hostn)
-			     "*" ;; (get-host-name) 
-			     hostn))
-	 (hostname       (get-host-name))
-	 (ipaddrstr      (let ((ipstr (if (string=? "-" hostn)
-					  (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
-					  #f)))
-			   (if ipstr ipstr hostname)))
-	 (actual-port    #f))
-    ;; (set! zmq-socket (server:find-free-port-and-open iface zmq-socket 5555 0))
-    (set! zmq-socket-dat (server:find-free-port-and-open ipaddrstr zmq-socket (if (args:get-arg "-port")
-									      (string->number (args:get-arg "-port"))
-									      (+ 5000 (random 1001)))
-						     0))
-    (set! zmq-socket  (cadr  zmq-socket-dat))
-    (set! actual-port (caddr zmq-socket-dat))
+  (let* ((zmq-sdat1       #f)
+	 (zmq-sdat2       #f)
+	 (pull-socket     #f)
+	 (pub-socket      #f)
+	 (p1              #f)
+	 (p2              #f)
+	 (zmq-sockets-dat #f)
+	 (iface           (if (string=? "-" hostn)
+			      "*" ;; (get-host-name) 
+			      hostn))
+	 (hostname        (get-host-name))
+	 (ipaddrstr       (let ((ipstr (if (string=? "-" hostn)
+					   (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
+					   #f)))
+			    (if ipstr ipstr hostname)))
+	 (last-run       0))
+    (set! zmq-sockets-dat (server:setup-ports ipaddrstr (if (args:get-arg "-port")
+							    (string->number (args:get-arg "-port"))
+							    (+ 5000 (random 1001)))))
+
+    (set! zmq-sdat1    (car   zmq-sockets-dat))
+    (set! pull-socket  (cadr  zmq-sdat1)) ;; (iface s  port)
+    (set! p1           (caddr zmq-sdat1))
+    
+    (set! zmq-sdat2    (cadr  zmq-sockets-dat))
+    (set! pub-socket   (cadr  zmq-sdat2))
+    (set! p2           (caddr zmq-sdat2))
+
     (set! *cache-on* #t)
 
-    ;; (set! th1 (make-thread (lambda ()
-    ;;     		     (server:self-ping ipaddrstr actual-port))))
-    ;; (thread-start! th1)
-    
     ;; what to do when we quit
     ;;
     (on-exit (lambda ()
 	       (if (and *toppath* *server-info*)
 		   (begin
-		     (open-run-close tasks:server-deregister-self tasks:open-db ipaddrstr))
+		     (open-run-close tasks:server-deregister-self tasks:open-db ipaddrstr p1 p2))
 		   (let loop () 
 		     (let ((queue-len 0))
 		       (thread-sleep! (random 5))
 		       (mutex-lock! *incoming-mutex*)
 		       (set! queue-len (length *incoming-data*))
@@ -93,91 +133,80 @@
 			     (debug:print-info 0 "Queue not flushed, waiting ...")
 			     (loop))))))))
 
     ;; The heavy lifting
     ;;
-    (let loop ()
-      ;; ;; Ugly yuk. 
-      ;; (mutex-lock! *incoming-mutex*)
-      ;; (set! *server-loop-heart-beat* (list 'waiting (current-seconds)))
-      ;; (mutex-unlock! *incoming-mutex*)
-      (let* ((rawmsg (receive-message* zmq-socket))
-	     (params (db:string->obj rawmsg)) ;; (with-input-from-string rawmsg (lambda ()(deserialize))))
-	     (res    #f))
-	;;; Ugly yuk. 
-	;; (mutex-lock! *incoming-mutex*)
-	;; (set! *server-loop-heart-beat* (list 'working (current-seconds)))
-	;; (mutex-unlock! *incoming-mutex*)
-	(debug:print-info 12 "server=> received params=" params)
-	(set! res (cdb:cached-access params))
-	(debug:print-info 12 "server=> processed res=" res)
-	(send-message zmq-socket (db:obj->string res))
-	(if (not *time-to-exit*)
-	    (loop)
+    ;; make-vector-record cdb packet client-sig qtype immediate query-sig params qtime
+    ;;
+    (let loop ((queue-lst '()))
+      (let* ((rawmsg (receive-message* pull-socket))
+	     (packet (db:string->obj rawmsg)))
+	(debug:print-info 12 "server=> received packet=" packet)
+	(if #t ;; (cdb:packet-get-immediate packet) ;; process immediately or put in queue
 	    (begin
-	      (open-run-close tasks:server-deregister-self tasks:open-db #f)
-	      (db:write-cached-data)
-	      (exit)
-	      ))))
-    (thread-join! th1)))
+	      (db:process-queue pub-socket (cons packet queue-lst))
+	      (loop '()))
+	    (loop (cons packet queue-lst)))))))
 
+(define (server:reply pubsock target result)
+  (debug:print-info 11 "server:reply target=" target ", result=" result)
+  (send-message pubsock target send-more: #t)
+  (send-message pubsock (db:obj->string result)))
 
 ;; run server:keep-running in a parallel thread to monitor that the db is being 
 ;; used and to shutdown after sometime if it is not.
 ;;
 (define (server:keep-running)
   ;; if none running or if > 20 seconds since 
   ;; server last used then start shutdown
-  (let loop ((count 0))
-    (thread-sleep! 4) ;; no need to do this very often
-    (db:write-cached-data)
-    ;; (print "Server running, count is " count)
-    (if (< count 1) ;; 3x3 = 9 secs aprox
-	(loop (+ count 1))
-	(let (;; (numrunning            (open-run-close db:get-count-tests-running #f))
-	      (server-loop-heartbeat #f)
-	      (server-info           #f)
-	      (pulse                 0))
-	  ;; BUG add a wait on server alive here!!
-	  ;; ;; Ugly yuk. 
-	  (mutex-lock! *heartbeat-mutex*)
-	  (set! server-loop-heartbeat *server-loop-heart-beat*)
-	  (set! server-info *server-info*)
-	  (mutex-unlock! *heartbeat-mutex*)
-	  ;; The logic here is that if the server loop gets stuck blocked in working
-	  ;; we don't want to update our heartbeat
-	  (set! pulse (- (current-seconds) server-loop-heartbeat))
-	  (debug:print-info 2 "Heartbeat period is " pulse " seconds on " (cadr server-info) ":" (caddr server-info) ", last db access is " (- (current-seconds) *last-db-access*) " seconds ago")
-	  (if (> pulse 15) ;; must stay less than 10 seconds 
-	      (begin
-		(open-run-close tasks:server-deregister tasks:open-db (cadr server-info) port: (caddr server-info))
-		(debug:print 0 "ERROR: Heartbeat failed, committing servercide")
-		(exit))
-	      (open-run-close tasks:server-update-heartbeat tasks:open-db (car server-info)))
-	  ;; (if ;; (or (> numrunning 0) ;; stay alive for two days after last access
-	  (if (> (+ *last-db-access* 
-		    ;; (* 48 60 60)    ;; 48 hrs
-		    ;; 60              ;; one minute
-		    (* 60 60)       ;; one hour
-		    )
-		 (current-seconds))
-	      (begin
-		;; (debug:print-info 2 "Server continuing, tests running: " numrunning ", seconds since last db access: " (- (current-seconds) *last-db-access*))
-		(debug:print-info 2 "Server continuing, seconds since last db access: " (- (current-seconds) *last-db-access*))
-		(loop 0))
-	      (begin
-		(debug:print-info 0 "Starting to shutdown the server.")
-		;; need to delete only *my* server entry (future use)
-		(set! *time-to-exit* #t)
-		(open-run-close tasks:server-deregister-self tasks:open-db (get-host-name))
-		(thread-sleep! 1)
-		(debug:print-info 0 "Max cached queries was " *max-cache-size*)
-		(debug:print-info 0 "Server shutdown complete. Exiting")
-		(exit)))))))
-
-(define (server:find-free-port-and-open iface s port #!key (trynum 50))
-  (let ((s (if s s (make-socket 'rep)))
+  ;; This thread waits for the server to come alive
+  (let* ((server-info (let loop ()
+			(let ((sdat #f))
+			  (mutex-lock! *heartbeat-mutex*)
+			  (set! sdat *server-info*)
+			  (mutex-unlock! *heartbeat-mutex*)
+			  (if sdat sdat
+			      (begin
+				(sleep 4)
+				(loop))))))
+	 (iface       (cadr server-info))
+	 (pullport    (caddr server-info))
+	 (pubport     (cadddr server-info)) ;; id interface pullport pubport)
+	 ;; (zmq-sockets (server:client-connect iface pullport pubport))
+	 )
+    (let loop ((count 0))
+      (thread-sleep! 4) ;; no need to do this very often
+      ;; (let ((queue-len (string->number (cdb:client-call zmq-sockets 'sync #t 1))))
+      ;; (print "Server running, count is " count)
+      (if (< count 1) ;; 3x3 = 9 secs aprox
+	  (loop (+ count 1)))
+      
+      ;; NOTE: Get rid of this mechanism! It really is not needed...
+      (open-run-close tasks:server-update-heartbeat tasks:open-db (car server-info))
+      
+      ;; (if ;; (or (> numrunning 0) ;; stay alive for two days after last access
+      (if (> (+ *last-db-access* 
+		;; (* 48 60 60)    ;; 48 hrs
+		;; 60              ;; one minute
+		(* 60 60)       ;; one hour
+		)
+	     (current-seconds))
+	  (begin
+	    (debug:print-info 2 "Server continuing, seconds since last db access: " (- (current-seconds) *last-db-access*))
+	    (loop 0))
+	  (begin
+	    (debug:print-info 0 "Starting to shutdown the server.")
+	    ;; need to delete only *my* server entry (future use)
+	    (set! *time-to-exit* #t)
+	    (open-run-close tasks:server-deregister-self tasks:open-db (get-host-name))
+	    (thread-sleep! 1)
+	    (debug:print-info 0 "Max cached queries was " *max-cache-size*)
+	    (debug:print-info 0 "Server shutdown complete. Exiting")
+	    (exit))))))
+
+(define (server:find-free-port-and-open iface s port stype #!key (trynum 50))
+  (let ((s (if s s (make-socket stype)))
 	(p (if (number? port) port 5555))
  	(old-handler (current-exception-handler)))
     (handle-exceptions
      exn
      (begin
@@ -186,20 +215,28 @@
        ;; (old-handler)
        ;; (print-call-chain)
        (if (> trynum 0)
 	   (server:find-free-port-and-open iface s (+ p 1) trynum: (- trynum 1))
 	   (debug:print-info 0 "Tried ports up to " p 
-			     " but all were in use. Please try a different port range by starting the server with parameter \" -port N\" where N is the starting port number to use")))
+			     " but all were in use. Please try a different port range by starting the server with parameter \" -port N\" where N is the starting port number to use"))
+       (exit)) ;; To exit or not? That is the question.
      (let ((zmq-url (conc "tcp://" iface ":" p)))
-       (print "Trying to start server on " zmq-url)
+       (debug:print 0 "Trying to start server on " zmq-url)
        (bind-socket s zmq-url)
-       (set! *runremote* #f)
-       (debug:print 0 "Server started on " zmq-url)
-       (mutex-lock! *heartbeat-mutex*)
-       (set! *server-info* (open-run-close tasks:server-register tasks:open-db (current-process-id) iface p 0 'live))
-       (mutex-unlock! *heartbeat-mutex*)
        (list iface s port)))))
+
+(define (server:setup-ports ipaddrstr startport)
+  (let* ((s1 (server:find-free-port-and-open ipaddrstr #f startport 'pull))
+	 (p1 (caddr s1))
+	 (s2 (server:find-free-port-and-open ipaddrstr #f (+ 1 (if p1 p1 (+ startport 1))) 'pub))
+	 (p2 (caddr s2)))
+    (set! *runremote* #f)
+    (debug:print 0 "Server started on " ipaddrstr " ports " p1 " and " p2)
+    (mutex-lock! *heartbeat-mutex*)
+    (set! *server-info* (open-run-close tasks:server-register tasks:open-db (current-process-id) ipaddrstr p1 p2 0 'live))
+    (mutex-unlock! *heartbeat-mutex*)
+    (list s1 s2)))
 
 (define (server:mk-signature)
   (message-digest-string (md5-primitive) 
 			 (with-output-to-string
 			   (lambda ()
@@ -211,32 +248,57 @@
       (let ((sig (server:mk-signature)))
 	(set! *my-client-signature* sig)
 	*my-client-signature*)))
 
 ;; 
-(define (server:client-connect iface port #!key (context #f))
-  (debug:print-info 3 "client-connect " iface ":" port)
+(define (server:client-socket-connect iface port #!key (context #f)(type 'req)(subscriptions '()))
+  (debug:print-info 3 "client-connect " iface ":" port ", type=" type ", subscriptions=" subscriptions)
   (let ((connect-ok #f)
 	(zmq-socket (if context 
-			(make-socket 'req context)
-			(make-socket 'req)))
+			(make-socket type context)
+			(make-socket type)))
 	(conurl     (server:make-server-url (list iface port))))
     (if (socket? zmq-socket)
 	(begin
+	  ;; first apply subscriptions
+	  (for-each (lambda (subscription)
+		      (debug:print 2 "Subscribing to " subscription)
+		      (socket-option-set! zmq-socket 'subscribe subscription))
+		    subscriptions)
 	  (connect-socket zmq-socket conurl)
 	  zmq-socket)
-	#f)))
+	(begin
+	  (debug:print 0 "ERROR: Failed to open socket to " conurl)
+	  #f))))
   
-
-(define (server:client-login zmq-socket)
-  (cdb:login zmq-socket *toppath* (server:get-client-signature)))
+(define (server:client-login zmq-sockets)
+  (cdb:login zmq-sockets *toppath* (server:get-client-signature)))
 
 (define (server:client-logout zmq-socket)
   (let ((ok (and (socket? zmq-socket)
 		 (cdb:logout zmq-socket *toppath* (server:get-client-signature)))))
     ;; (close-socket zmq-socket)
     ok))
+
+(define (server:client-connect iface pullport pubport)
+  (let* ((push-socket (server:client-socket-connect iface pullport type: 'push))
+	 (sub-socket  (server:client-socket-connect iface pubport
+						    type: 'sub
+						    subscriptions: (list (server:get-client-signature) "all")))
+	 (zmq-sockets (vector push-socket sub-socket))
+	 (login-res   #f))
+    (set! login-res (server:client-login zmq-sockets))
+    (if (and (not (null? login-res))
+	     (car login-res))
+	(begin
+	  (debug:print-info 2 "Logged in and connected to " iface ":" pullport "/" pubport ".")
+	  (set! *runremote* zmq-sockets)
+	  zmq-sockets)
+	(begin
+	  (debug:print-info 2 "Failed to login or connect to " conurl)
+	  (set! *runremote* #f)
+	  #f))))
 
 ;; Do all the connection work, start a server if not already running
 (define (server:client-setup #!key (numtries 50))
   (if (not *toppath*)
       (if (not (setup-for-run))
@@ -243,38 +305,27 @@
 	  (begin
 	    (debug:print 0 "ERROR: failed to find megatest.config, exiting")
 	    (exit))))
   (let ((hostinfo   (open-run-close tasks:get-best-server tasks:open-db)))
     (if hostinfo
-	(let ((host    (car   hostinfo))
-	      (iface   (cadr  hostinfo))
-	      (port    (caddr hostinfo)))
+	(let ((host     (list-ref hostinfo 0))
+	      (iface    (list-ref hostinfo 1))
+	      (pullport (list-ref hostinfo 2))
+	      (pubport  (list-ref hostinfo 3)))
 	  (debug:print-info 2 "Setting up to connect to " hostinfo)
-	  (handle-exceptions
-	   exn
-	   (begin
-	     ;; something went wrong in connecting to the server. In this scenario it is ok
-	     ;; to try again
-	     (debug:print 0 "ERROR: Failed to open a connection to the server at: " hostinfo)
-	     (debug:print 0 "   EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
-	     (debug:print 0 "   perhaps jobs killed with -9? Removing server records")
-	     (open-run-close tasks:server-deregister tasks:open-db host port: port)
-	     (server:client-setup (- numtries 1))
-	     #f)
-	   (let* ((zmq-socket (server:client-connect iface port))
-		  (login-res  (server:client-login zmq-socket))
-		  (connect-ok (if (null? login-res) #f (car login-res)))
-		  (conurl     (server:make-server-url (list iface port))))
-	     (if connect-ok
-		 (begin
-		   (debug:print-info 2 "Logged in and connected to " conurl)
-		   (set! *runremote* zmq-socket)
-		   #t)
-		 (begin
-		   (debug:print-info 2 "Failed to login or connect to " conurl)
-		   (set! *runremote* #f)
-		   #f)))))
+	  ;; (handle-exceptions
+	  ;;   exn
+	  ;;  (begin
+	  ;;    ;; something went wrong in connecting to the server. In this scenario it is ok
+	  ;;    ;; to try again
+	  ;;    (debug:print 0 "ERROR: Failed to open a connection to the server at: " hostinfo)
+	  ;;    (debug:print 0 "   EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
+	  ;;    (debug:print 0 "   perhaps jobs killed with -9? Removing server records")
+	  ;;    (open-run-close tasks:server-deregister tasks:open-db host pullport: pullport)
+	  ;;    (server:client-setup (- numtries 1))
+	  ;;    #f)
+	   (server:client-connect iface pullport pubport)) ;; )
 	(if (> numtries 0)
 	    (let ((exe (car (argv))))
 	      (debug:print-info 1 "No server available, attempting to start one...")
 	      (process-run exe (list "-server" "-" "-debug" (conc *verbosity*)))
 	      (sleep 5) ;; give server time to start
@@ -293,32 +344,36 @@
   (debug:print-info 1 "Starting the standalone server")
   (let ((hostinfo (open-run-close tasks:get-best-server tasks:open-db)))
     (if hostinfo
 	(debug:print-info 1 "NOT starting new server, one is already running on " (car hostinfo) ":" (cadr hostinfo))
 	(if *toppath* 
-	    (let* ((th1 (make-thread (lambda ()
-				       (let ((server-info #f))
-					 ;; wait for the server to be online and available
-					 (let loop ()
-					   (debug:print-info 1 "Waiting for the server to come online before starting heartbeat")
-					   (thread-sleep! 2)
-					   (mutex-lock! *heartbeat-mutex*)
-					   (set! server-info *server-info* )
-					   (mutex-unlock! *heartbeat-mutex*)
-					   (if (not server-info)(loop)))
-					 (debug:print 1 "Server alive, starting self-ping")
-					 (server:self-ping (cadr server-info)(caddr server-info)))) "Self ping"))
+	    (let* (;; (th1 (make-thread (lambda ()
+		   ;;      	       (let ((server-info #f))
+		   ;;      		 ;; wait for the server to be online and available
+		   ;;      		 (let loop ()
+		   ;;      		   (debug:print-info 1 "Waiting for the server to come online before starting heartbeat")
+		   ;;      		   (thread-sleep! 2)
+		   ;;      		   (mutex-lock! *heartbeat-mutex*)
+		   ;;      		   (set! server-info *server-info* )
+		   ;;      		   (mutex-unlock! *heartbeat-mutex*)
+		   ;;      		   (if (not server-info)(loop)))
+		   ;;      		 (debug:print 1 "Server alive, starting self-ping")
+		   ;;      		 (server:self-ping server-info)
+		   ;;      		 ))
+		   ;;      	     "Self ping"))
 		   (th2 (make-thread (lambda ()
 				       (server:run (args:get-arg "-server"))) "Server run"))
-		   (th3 (make-thread (lambda ()
-				       (server:keep-running)) "Keep running")))
+		   (th3 (make-thread (lambda ()(server:keep-running)) "Keep running"))
+		   )
 	      (set! *client-non-blocking-mode* #t)
-	      (thread-start! th1)
+	      ;; (thread-start! th1)
 	      (thread-start! th2)
 	      (thread-start! th3)
 	      (set! *didsomething* #t)
-	      (thread-join! th3))
+	      ;; (thread-join! th3)
+	      (thread-join! th2)
+	      )
 	    (debug:print 0 "ERROR: Failed to setup for megatest")))
     (exit)))
 
 (define (server:client-signal-handler signum)
   (handle-exceptions
@@ -327,11 +382,11 @@
    (let ((th1 (make-thread (lambda ()
 			     (if (not *received-response*)
 				 (receive-message* *runremote*))) ;; flush out last call if applicable
 			   "eat response"))
 	 (th2 (make-thread (lambda ()
-			     (debug:print 0 "ERROR: Received ^C, attempting clean exit.")
+			     (debug:print 0 "ERROR: Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
 			     (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
 			     (debug:print 0 "       Done.")
 			     (exit 4))
 			   "exit on ^C timer")))
      (thread-start! th2)
@@ -345,10 +400,11 @@
        (begin
 	 (debug:print 0 "ERROR: Failed to connect as client")
 	 (exit))))
 
 ;; ping a server and return number of clients or #f (if no response)
+;; NOT IN USE!
 (define (server:ping host port #!key (secs 10)(return-socket #f))
   (cdb:use-non-blocking-mode
    (lambda ()
      (let* ((res #f)
 	    (th1 (make-thread

Index: tasks.scm
==================================================================
--- tasks.scm
+++ tasks.scm
@@ -22,11 +22,19 @@
 ;; Tasks db
 ;;======================================================================
 
 (define (tasks:open-db)
   (let* ((dbpath  (conc *toppath* "/monitor.db"))
-	 (exists  (file-exists? dbpath))
+	 (exists  (if (file-exists? dbpath)
+		      ;; BUGGISHNESS: Remove this code in six months. Today is 11/13/2012
+		      (if (< (file-change-time dbpath) 1352851396.0)
+			  (begin
+			    (debug:print 0 "NOTE: removing old db file " dbpath)
+			    (delete-file dbpath)
+			    #f)
+			  #t)
+		      #f))
 	 (mdb     (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
 	 (handler (make-busy-timeout 36000)))
     (sqlite3:set-busy-handler! mdb handler)
     (sqlite3:execute mdb (conc "PRAGMA synchronous = 0;"))
     (if (not exists)
@@ -52,17 +60,18 @@
                                CONSTRAINT monitors_constraint UNIQUE (pid,hostname));")
 	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS servers (id INTEGER PRIMARY KEY,
                                   pid INTEGER,
                                   interface TEXT,
                                   hostname TEXT,
-                                  port INTEGER,
+                                  pullport INTEGER,
+                                  pubport  INTEGER,
                                   start_time TIMESTAMP,
                                   priority INTEGER,
                                   state TEXT,
                                   mt_version TEXT,
                                   heartbeat TIMESTAMP,
-                               CONSTRAINT servers_constraint UNIQUE (pid,hostname,port));")
+                               CONSTRAINT servers_constraint UNIQUE (pid,hostname,pullport,pubport));")
 	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS clients (id INTEGER PRIMARY KEY,
                                   server_id INTEGER,
                                   pid INTEGER,
                                   hostname TEXT,
                                   cmdline TEXT,
@@ -76,54 +85,58 @@
 ;;======================================================================
 ;; Server and client management
 ;;======================================================================
 
 ;; state: 'live, 'shutting-down, 'dead
-(define (tasks:server-register mdb pid interface port priority state)
+(define (tasks:server-register mdb pid interface pullport pubport priority state)
   (sqlite3:execute 
    mdb 
-   "INSERT OR REPLACE INTO servers (pid,hostname,port,start_time,priority,state,mt_version,heartbeat,interface) VALUES(?,?,?,strftime('%s','now'),?,?,?,strftime('%s','now'),?);"
-   pid (get-host-name) port priority (conc state) megatest-version interface)
+   "INSERT OR REPLACE INTO servers (pid,hostname,pullport,pubport,start_time,priority,state,mt_version,heartbeat,interface)
+                             VALUES(?,  ?,       ?,       ?, strftime('%s','now'), ?, ?, ?, strftime('%s','now'),?);"
+   pid (get-host-name) pullport pubport priority (conc state) megatest-version interface)
   (list 
-   (tasks:server-get-server-id mdb (get-host-name) port pid)
+   (tasks:server-get-server-id mdb (get-host-name) pullport pid)
    interface
-   port))
+   pullport
+   pubport))
 
 ;; NB// two servers with same pid on different hosts will be removed from the list if pid: is used!
-(define (tasks:server-deregister mdb hostname #!key (port #f)(pid #f))
-  (debug:print-info 11 "server-deregister " hostname ", port " port ", pid " pid)
+(define (tasks:server-deregister mdb hostname #!key (pullport #f)(pid #f)(action 'markdead))
+  (debug:print-info 11 "server-deregister " hostname ", pullport " pullport ", pid " pid)
   (if pid
-      ;; (sqlite3:execute mdb "DELETE FROM servers WHERE pid=?;" pid)
-      (sqlite3:execute mdb "UPDATE servers SET state='dead' WHERE pid=?;" pid)
-      (if port
-	  ;; (sqlite3:execute mdb "DELETE FROM servers WHERE  hostname=? AND port=?;" hostname port)
-	  (sqlite3:execute mdb "UPDATE servers SET state='dead' WHERE hostname=? AND port=?;" hostname port)
+      (case action
+	((delete)(sqlite3:execute mdb "DELETE FROM servers WHERE pid=?;" pid))
+	(else    (sqlite3:execute mdb "UPDATE servers SET state='dead' WHERE pid=?;" pid)))
+      (if pullport
+	  (case action
+	    ((delete)(sqlite3:execute mdb "DELETE FROM servers WHERE  hostname=? AND pullport=?;" hostname port))
+	    (else    (sqlite3:execute mdb "UPDATE servers SET state='dead' WHERE hostname=? AND pullport=?;" hostname pullport)))
 	  (debug:print 0 "ERROR: tasks:server-deregister called with neither pid nor port specified"))))
 
 (define (tasks:server-deregister-self mdb hostname)
   (tasks:server-deregister mdb hostname pid: (current-process-id)))
 
-(define (tasks:server-get-server-id mdb hostname port pid)
+(define (tasks:server-get-server-id mdb hostname pullport pid)
   (let ((res #f))
     (sqlite3:for-each-row
      (lambda (id)
        (set! res id))
      mdb
      (if (and hostname  pid)
 	 "SELECT id FROM servers WHERE hostname=? AND pid=?;"
-	 "SELECT id FROM servers WHERE hostname=? AND port=?;")
-     hostname (if pid pid port))
+	 "SELECT id FROM servers WHERE hostname=? AND pullport=?;")
+     hostname (if pid pid pullport))
     res))
 
 (define (tasks:server-update-heartbeat mdb server-id)
   (sqlite3:execute mdb "UPDATE servers SET heartbeat=strftime('%s','now') WHERE id=?;" server-id))
 
 ;; alive servers keep the heartbeat field upto date with seconds every 6 or so seconds
-(define (tasks:server-alive? mdb server-id #!key (hostname #f)(port #f)(pid #f))
+(define (tasks:server-alive? mdb server-id #!key (hostname #f)(pullport #f)(pid #f))
   (let* ((server-id  (if server-id 
 			 server-id
-			 (tasks:server-get-server-id mdb hostname port pid)))
+			 (tasks:server-get-server-id mdb hostname pullport pid)))
 	 (heartbeat-delta 99e9))
     (sqlite3:for-each-row
      (lambda (delta)
        (set! heartbeat-delta delta))
      mdb "SELECT strftime('%s','now')-heartbeat FROM servers WHERE id=?;" server-id)
@@ -158,36 +171,47 @@
 ;; remove any others. will not necessarily remove all!
 (define (tasks:get-best-server mdb)
   (let ((res '())
 	(best #f))
     (sqlite3:for-each-row
-     (lambda (id hostname interface port pid)
-       (set! res (cons (list hostname interface port pid) res))
-       (debug:print-info 2 "Found existing server " hostname ":" port " registered in db"))
+     (lambda (id hostname interface pullport pubport pid)
+       (set! res (cons (list hostname interface pullport pubport pid) res))
+       (debug:print-info 2 "Found existing server " hostname ":" pullport " registered in db"))
      mdb
-     "SELECT id,hostname,interface,port,pid FROM servers WHERE state='live' AND mt_version=? ORDER BY start_time ASC LIMIT 1;" megatest-version)
-    ;; (print "res=" res)
+     "SELECT id,hostname,interface,pullport,pubport,pid FROM servers
+         WHERE strftime('%s','now')-heartbeat < 10
+               AND mt_version=? ORDER BY start_time ASC LIMIT 1;" megatest-version)
     (if (null? res) #f
 	(let loop ((hed (car res))
 		   (tal (cdr res)))
 	  ;; (print "hed=" hed ", tal=" tal)
-	  (let* ((host     (car    hed))
-		 (iface    (cadr   hed))
-		 (port     (caddr  hed))
-		 (pid      (cadddr hed))
-		 (alive    (open-run-close tasks:server-alive? tasks:open-db #f hostname: host port: port)))
+	  (let* ((host     (list-ref hed 0))
+		 (iface    (list-ref hed 1))
+		 (pullport (list-ref hed 2))
+		 (pubport  (list-ref hed 3))
+		 (pid      (list-ref hed 4))
+		 (alive    (open-run-close tasks:server-alive? tasks:open-db #f hostname: host pullport: pullport)))
 	    (if alive
 		(begin
-		  (debug:print-info 2 "Found an existing, alive, server " host ":" port ".")
-		  (list host iface port))
+		  (debug:print-info 2 "Found an existing, alive, server " host ", " pullport " and " pubport ".")
+		  (list host iface pullport pubport))
 		(begin
-		  (debug:print-info 1 "Removing " host ":" port " from server registry as it appears to be dead")
-		  (tasks:kill-server #f host port pid)
+		  (debug:print-info 1 "Marking " host ":" pullport " as dead in server registry.")
+		  (if pullport
+		      (open-run-close tasks:server-deregister tasks:open-db host pullport: pullport)
+		      (open-run-close tasks:server-deregister tasks:open-db host pid:  pid))
 		  (if (null? tal)
 		      #f
 		      (loop (car tal)(cdr tal))))))))))
 
+(define (tasks:mark-server hostname pullport pid state)
+  (if port
+      (open-run-close tasks:server-deregister tasks:open-db hostname port: port)
+      (open-run-close tasks:server-deregister tasks:open-db hostname pid:  pid)))
+
+
+;; NOTE: NOT PORTED TO WORK WITH pullport/pubport
 (define (tasks:kill-server status hostname port pid)
   (debug:print-info 1 "Removing defunct server record for " hostname ":" port)
   (if port
       (open-run-close tasks:server-deregister tasks:open-db hostname port: port)
       (open-run-close tasks:server-deregister tasks:open-db hostname pid:  pid))
@@ -212,18 +236,20 @@
 		  (debug:print-info 1 "Sending signal/term to " pid " on " hostname)
 		  (process-signal pid signal/term)  ;; local machine, send sig term
 		  (thread-sleep! 5)                 ;; give it five seconds to die peacefully then do a brutal kill
 		  (process-signal pid signal/kill)) 
 		(debug:print 0 "WARNING: Can't kill frozen server on remote host " hostname))))))
+
+
 
 (define (tasks:get-all-servers mdb)
   (let ((res '()))
     (sqlite3:for-each-row
-     (lambda (id pid hostname interface port start-time priority state mt-version)
-       (set! res (cons (vector id pid hostname interface port start-time priority state mt-version) res)))
+     (lambda (id pid hostname interface pullport pubport start-time priority state mt-version last-update)
+       (set! res (cons (vector id pid hostname interface pullport pubport start-time priority state mt-version last-update) res)))
      mdb
-     "SELECT id,pid,hostname,interface,port,start_time,priority,state,mt_version FROM servers ORDER BY start_time DESC;")
+     "SELECT id,pid,hostname,interface,pullport,pubport,start_time,priority,state,mt_version,strftime('%s','now')-heartbeat AS last_update FROM servers ORDER BY start_time DESC;")
     res))
        
 
 ;;======================================================================
 ;; Tasks and Task monitors

Index: tests/tests.scm
==================================================================
--- tests/tests.scm
+++ tests/tests.scm
@@ -78,39 +78,41 @@
 ;;======================================================================
 
 (test "setup for run" #t (begin (setup-for-run)
 				(string? (getenv "MT_RUN_AREA_HOME"))))
 
-(test "server-register, get-best-server" '("bob" 1234) (let ((res #f))
-							 (open-run-close tasks:server-register tasks:open-db 1 "bob" 1234 100 'live)
-							 (set! res (open-run-close tasks:get-best-server tasks:open-db))
-							 res))
+(test "server-register, get-best-server" #t (let ((res #f))
+					      (open-run-close tasks:server-register tasks:open-db 1 "bob" 1234 1235 100 'live)
+					      (set! res (open-run-close tasks:get-best-server tasks:open-db))
+					      (number? (cadddr res))))
+
 (test "de-register server" #t (let ((res #f))
-				(open-run-close tasks:server-deregister tasks:open-db "bob" port: 1234)
+				(open-run-close tasks:server-deregister tasks:open-db "bob" pullport: 1234)
 				(list? (open-run-close tasks:get-best-server tasks:open-db))))
 
 (define hostinfo #f)
-(test #f #t (let ((dat (open-run-close tasks:get-best-server tasks:open-db)))
-				   (set! hostinfo dat)
-				   (and (string? (car dat))
-					(number? (cadr dat)))))
+(test "get-best-server" #t (let ((dat (open-run-close tasks:get-best-server tasks:open-db)))
+			     (set! hostinfo dat) ;; host ip pullport pubport
+			     (and (string? (car dat))
+				  (number? (caddr dat)))))
 
-(test #f #t (let ((zmq-socket (apply server:client-connect hostinfo)))
+(test #f #t (let ((zmq-socket (server:client-connect
+			       (cadr hostinfo)
+			       (caddr hostinfo)
+			       (cadddr hostinfo))))
 	      (set! *runremote* zmq-socket)
-	      (socket? *runremote*)))
+	      (socket? (vector-ref *runremote* 0))))
 
 (test #f #t (let ((res (server:client-login *runremote*)))
 	      (car res)))
 
-(test #f #t (socket? *runremote*))
+(test #f #t (socket? (vector-ref *runremote* 0)))
 
 ;; (test #f #t (server:client-setup))
 
 (test #f #t (car (cdb:login *runremote* *toppath* *my-client-signature*)))
 
-(test #f #t (open-run-close tasks:get-best-server tasks:open-db))
-
 ;;======================================================================
 ;; C O N F I G   F I L E S 
 ;;======================================================================
 
 (define conffile #f)

ADDED   testzmq/mockupclient.scm
Index: testzmq/mockupclient.scm
==================================================================
--- /dev/null
+++ testzmq/mockupclient.scm
@@ -0,0 +1,35 @@
+(use zmq posix)
+
+(define cname "Bob")
+(define runtime 10)
+(let ((args (argv)))
+  (if (< (length args) 3)
+      (begin
+	(print "Usage: mockupclient clientname runtime")
+	(exit))
+      (begin
+	(set! cname (cadr args))
+	(set! runtime (string->number (caddr args))))))
+      
+;; (define start-delay (/ (random 100) 9))
+;; (define runtime     (+ 1 (/ (random 200) 2)))
+
+(print "Starting client " cname " with runtime " runtime)
+
+(include "mockupclientlib.scm")
+
+(set! endtime (+ (current-seconds) runtime))
+
+(let loop ()
+  (let ((x (random 15))
+	(varname (list-ref (list "hello" "goodbye" "saluton" "kiaorana")(random 4))))
+    (case x
+      ;; ((1)(dbaccess cname 'sync "nodat"    #f))
+      ((2 3 4 5)(dbaccess cname 'set varname (random 999)))
+      ((6 7 8 9 10)(print cname ": Get \"" varname "\" " (dbaccess cname 'get varname #f)))
+      (else
+       (thread-sleep! 0.011)))
+    (if (< (current-seconds) endtime)
+	(loop))))
+
+(print "Client " cname " all done!!")

ADDED   testzmq/mockupserver.scm
Index: testzmq/mockupserver.scm
==================================================================
--- /dev/null
+++ testzmq/mockupserver.scm
@@ -0,0 +1,138 @@
+;; pub/sub with envelope address
+;; Note that if you don't insert a sleep, the server will crash with SIGPIPE as soon
+;; as a client disconnects.  Also a remaining client may receive tons of
+;; messages afterward.
+
+(use zmq srfi-18 sqlite3)
+
+(define pub (make-socket 'pub))
+(define pull (make-socket 'pull))
+(define cname "server")
+(define total-db-accesses 0)
+(define start-time (current-seconds))
+
+(bind-socket pub "tcp://*:5563")
+(bind-socket pull "tcp://*:5564")
+
+(define (open-db)
+  (let* ((dbpath    "mockup.db")
+	 (dbexists  (file-exists? dbpath))
+	 (db        (open-database dbpath)) ;; (never-give-up-open-db dbpath))
+	 (handler   (make-busy-timeout 10)))
+    (set-busy-handler! db handler)
+    (if (not dbexists)
+	(for-each
+	 (lambda (stmt)
+	   (execute db stmt))
+	 (list
+	  "PRAGMA SYNCHRONOUS=0;"
+	  "CREATE TABLE clients (id INTEGER PRIMARY KEY,name TEXT,num_accesses INTEGER DEFAULT 0);"
+	  "CREATE TABLE vars    (var TEXT,val TEXT,CONSTRAINT vars_constraint UNIQUE (var));")))
+    db))
+
+(define cid-cache (make-hash-table))
+
+(define (get-client-id db cname)
+  (let ((cid (hash-table-ref/default cid-cache cname #f)))
+    (if cid 
+	cid
+	(begin
+	  (execute db "INSERT OR REPLACE INTO clients (name) VALUES(?);" cname)
+	  (for-each-row 
+	   (lambda (id)
+	     (set! cid id))
+	   db
+	   "SELECT id FROM clients WHERE name=?;" cname)
+	  (hash-table-set! cid-cache cname cid)
+	  (set! total-db-accesses (+ total-db-accesses 2))
+	  cid))))
+
+(define (count-client db cname)
+  (let ((cid (get-client-id db cname)))
+    (execute db "UPDATE clients SET num_accesses=num_accesses+1 WHERE id=?;" cid)
+    (set! total-db-accesses (+ total-db-accesses 1))
+    ))
+
+(define db (open-db))
+;; (define queuelst '())
+;; (define mx1 (make-mutex))
+
+(define max-queue-len 0)
+
+(define (process-queue queuelst)
+  (let ((queuelen (length queuelst)))
+    (if (> queuelen max-queue-len)
+	(set! max-queue-len queuelen))
+    (for-each
+     (lambda (item)
+       (let ((cname (vector-ref item 1))
+	     (clcmd (vector-ref item 2))
+	     (cdata (vector-ref item 3)))
+	 (send-message pub cname send-more: #t)
+	 (send-message pub (case clcmd
+			     ((sync)
+			      (conc queuelen))
+			     ((set)
+			      (set! total-db-accesses (+ total-db-accesses 1))
+			      (apply execute db "INSERT OR REPLACE INTO vars (var,val) VALUES (?,?);" (string-split cdata))
+			      "ok")
+			     ((get)
+			      (set! total-db-accesses (+ total-db-accesses 1))
+			      (let ((res "noval"))
+				(for-each-row
+				 (lambda (val)
+				   (set! res val))
+				 db 
+				 "SELECT val FROM vars WHERE var=?;" cdata)
+				res))
+			     (else (conc "unk cmd: " clcmd))))))
+     queuelst)))
+
+(define th1 (make-thread 
+	     (lambda ()
+	       (let ((last-run 0)) ;; current-seconds when run last
+		 (let loop ((queuelst '()))
+		   (let* ((indat (receive-message* pull))
+			  (parts (string-split indat ":"))
+			  (cname (car parts))                   ;; client name
+			  (clcmd (string->symbol (cadr parts))) ;; client cmd
+			  (cdata (caddr parts))                 ;; client data
+			  (svect (vector (current-seconds) cname clcmd cdata))) ;; record for the queue
+		     (count-client db cname)
+		     (case clcmd
+		       ((sync) ;; just process the queue
+			(print "Got sync from " cname)
+			(process-queue (cons svect queuelst))
+			(loop '()))
+		       ((get)
+			(process-queue (cons svect queuelst))
+			(loop '()))
+		       (else
+			(loop (cons svect queuelst))))))))
+	     "server thread"))
+
+(include "mockupclientlib.scm")
+
+;; send a sync to the pull port
+(define th2 (make-thread
+	     (lambda ()
+	       (let ((last-action-time (current-seconds)))
+		 (let loop ()
+		   (thread-sleep! 5)
+		   (let ((queuelen (string->number (dbaccess "server" 'sync "nada" #f)))
+			 (last-action-delta #f))
+		     (if (> queuelen 1)(set! last-action-time (current-seconds)))
+		     (set! last-action-delta (- (current-seconds) last-action-time))
+		     (print "Server: Got queuelen=" queuelen ", last-action-delta=" last-action-delta)
+		     (if (< last-action-delta 60)
+			 (loop)
+			 (print "Server exiting, 25 seconds since last access"))))))
+	     "sync thread"))
+
+(thread-start! th1)
+(thread-start! th2)
+(thread-join! th2)
+
+(let* ((run-time       (- (current-seconds) start-time))
+       (queries/second (/  total-db-accesses run-time)))
+  (print "Server exited! Total db accesses=" total-db-accesses " in " run-time " seconds for " queries/second " queries/second with max queue length of: " max-queue-len))

ADDED   testzmq/testmockup.sh
Index: testzmq/testmockup.sh
==================================================================
--- /dev/null
+++ testzmq/testmockup.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+rm -f mockup.db
+
+echo Compiling mockupserver.scm and mockupclient.scm
+csc mockupserver.scm
+csc mockupclient.scm
+
+echo Starting server
+./mockupserver &
+
+sleep 1
+
+echo Starting clients
+for i in a b c d e f g h i j k l m n o p q s t u v w x y z; 
+  do
+  for k in a b;
+    do
+    for j in 0 1 2 3 4 5 6 7 8 9;
+      do
+      waittime=`random 0 60`
+      runtime=`random 5 120`
+      echo "Starting client $i$k$j with waittime $waittime and runtime $runtime" 
+      (sleep $waittime;./mockupclient $i$k$j $runtime) &
+    done
+  done
+done
+
+wait
+echo testmockup.sh script done
+# echo "Waiting for 5 seconds then killing all mockupserver and mockupclient processes"
+# sleep 30
+# killall -v mockupserver mockupclient

Index: utils/installall.sh
==================================================================
--- utils/installall.sh
+++ utils/installall.sh
@@ -1,6 +1,6 @@
-#!/bin/bash
+#! /bin/env bash
 
 set -x
 
 # Copyright 2007-2010, Matthew Welland.
 # 
@@ -11,11 +11,11 @@
 #  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 #  PURPOSE.
 
 echo You may need to do the following first:
 echo sudo apt-get install libreadline-dev
-echo sudo apt-get install libwebkitgtk-dev
+echo sudo apt-get install libwebkitgtk-dev 
 echo sudo apt-get install libmotif3 -OR- set KTYPE=26g4
 echo KTYPE can be 26, 26g4, or 32
 echo KTYPE=$KTYPE
 echo You are using PREFIX=$PREFIX
 echo You are using proxy="$proxy"
@@ -268,11 +268,12 @@
     tar xfz ${ZEROMQ}.tar.gz
     cd ${ZEROMQ}
     ln -s $PREFIX/include/uuid src
     # LDFLAGS=-L$PREFIX/lib ./configure --prefix=$PREFIX 
     
-    ./configure --enable-static --disable-shared --prefix=$PREFIX --with-uuid=$PREFIX LDFLAGS="-L$PREFIX/lib" CPPFLAGS="-fPIC -I$PREFIX/include" LIBS="-lgcc"
+    ./configure --enable-static --prefix=$PREFIX --with-uuid=$PREFIX LDFLAGS="-L$PREFIX/lib" CPPFLAGS="-fPIC -I$PREFIX/include" LIBS="-lgcc"
+    # --disable-shared CPPFLAGS="-fPIC 
     # LDFLAGS="-L/usr/lib64 -L$PREFIX/lib" ./configure --enable-static --prefix=$PREFIX 
     make
     make install
     CSC_OPTIONS="-I$PREFIX/include -L$CSCLIBS" chicken-install $PROX zmq
     # CSC_OPTIONS="-I$PREFIX/include -L$CSCLIBS" chicken-install $PROX -deploy -prefix $DEPLOYTARG zmq