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70
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1 ;;; Example of Sending Messages
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2
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3 (defun tooltalk-random-query-handler (msg pat)
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4 (let ((state (get-tooltalk-message-attribute msg 'state)))
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5 (cond
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6 ((eq state 'TT_HANDLED)
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7 (message (get-tooltalk-message-attribute msg arg_val 0)))
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8 ((memq state '(TT_FAILED TT_REJECTED))
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9 (message "Random query turns up nothing")))))
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10
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11 (setq random-query-message
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12 '( class TT_REQUEST
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13 scope TT_SESSION
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14 address TT_PROCEDURE
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15 op "random-query"
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16 args ((TT_INOUT "?" "string"))
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17 callback tooltalk-random-query-handler))
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18
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19 (let ((m (make-tooltalk-message random-query-message)))
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20 (send-tooltalk-message m))
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21
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22 ;;; Example of Receiving Messaegs
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23
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24 (defun tooltalk-display-string-handler (msg pat)
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25 (return-tooltalk-message msg 'reply)
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26 (describe-tooltalk-message msg)
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27 (message (get-tooltalk-message-attribute msg 'arg_val 0)))
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28
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29 (setq display-string-pattern
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30 '(category TT_HANDLE
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31 scope TT_SESSION
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32 op "emacs-eval"
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33 args ((TT_IN "filename" "string"))
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34 callback tooltalk-display-string-handler))
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35
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36 (let ((p (make-tooltalk-pattern display-string-pattern)))
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37 (register-tooltalk-pattern p))
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38
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