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server-two.scm at [235f4e077d]
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File ulex-trials/server-two.scm artifact 2a7a7627dc part of check-in 235f4e077d


(import tcp-server format (chicken tcp) (chicken io) (chicken string) (prefix sqlite3 sqlite3:) sql-de-lite srfi-18 simple-exceptions mailbox s11n)
(let* ((work-mailbox (make-mailbox))
       (notify-mailbox (make-mailbox))
(th1 (make-thread (lambda ()

((make-tcp-server
  (tcp-listen 6504)
  (lambda ()
    (let* ((db (sqlite3:open-database "test.db"))
           (rec-data (deserialize)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    ;;(exec (sql db "INSERT INTO entries (received,send) VALUES (?,?);") "something" (conc "Server One Response: " "something else"))
    (sqlite3:execute db "INSERT INTO entries (received,send) VALUES (?,?);" "something" (conc "Server One Response: " "something else"))
    (mailbox-send! work-mailbox rec-data)
    (format (current-error-port) (conc rec-data))
    (write-line (conc "Response to: " (conc rec-data)))
    ;;(close-database db)
    )))
#t))
"receive"))
(th2 (make-thread (lambda () 
         (print "Jeff is here")  
         (let loop ((entries 0))  
         (thread-sleep! 0.8)
         (print "Preparding to send entries" entries)
         (handle-exceptions exn (begin (print "Had an issue: " (message exn))(thread-sleep! 10)) 
         (define-values (i o) (tcp-connect "localhost" 6505))
         (serialize (list "localhost:6505" "from-server-two") o)
         (print (read-line i))
         (close-input-port i)
         (close-output-port o))
         (loop (+ entries 1)))) "send"))
(th3 (make-thread (lambda ()
         (print "In mailbox thread")
         (let loop2 ((entries2 0))
           (print "Processing: " (mailbox-receive! work-mailbox))
           (mailbox-send! notify-mailbox (list 'ack))
           (thread-sleep! 0.5)
         (loop2 1))) "processing"))
(th4 (make-thread (lambda ()
         (print "In notify-mailbox thread")
         (let loop3 ((entries3 0))
           (print "Notifying: " (mailbox-receive! notify-mailbox))
           (handle-exceptions exn (begin (print "Had an issue: " (message exn))(thread-sleep! 10)) 
           (define-values (i o) (tcp-connect "localhost" 6505))
           (serialize (list 'ack "from-server-two") o)
           (print (read-line i))
           (close-input-port i)
           (close-output-port o))
           ;;(thread-sleep! 1)
         (loop3 1))) "notify"))

)
(thread-start! th1)
(thread-start! th2)
(thread-start! th3)
(thread-start! th4)
(thread-join! th2)
)

(print "Done here")