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json-network-interface.lisp
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json-network-interface.lisp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Filename : json-network-interface.lisp ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Author : Ryan M. Hope <[email protected]>
;;
;; Copyright : (c)2012-2013 Ryan M. Hope
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
#-jni-bundle
(eval-when (:compile-toplevel :load-toplevel :execute)
(let ((*compile-file-pathname* nil))
(asdf:load-system :usocket)
(asdf:load-system :bordeaux-threads)
(asdf:load-system :jsown)))
#+:packaged-actr (in-package :act-r)
#-:packaged-actr (in-package :cl-user)
#+(and :clean-actr (not :packaged-actr) :ALLEGRO-IDE) (in-package :cg-user)
#-(or (not :clean-actr) :packaged-actr :ALLEGRO-IDE) (in-package :cl-user)
(defclass json-interface-module ()
((jni-hostname :accessor jni-hostname :initform nil)
(jni-port :accessor jni-port :initform nil)
(jni-sync :accessor jni-sync :initform nil)
(event-hooks :accessor event-hooks :initform (make-hash-table))
(sync-event :accessor sync-event :initform nil)
(socket :accessor socket :initform nil)
(jstream :accessor jstream :initform nil)
(thread :accessor thread :initform nil)
(sync-cond :accessor sync-cond :initform (bordeaux-threads:make-condition-variable))
(sync-lock :accessor sync-lock :initform (bordeaux-threads:make-lock))
(display :accessor display :initform nil)
(cursor-loc :accessor cursor-loc :initform '(0 0))
(width :accessor width :initform 0)
(height :accessor height :initform 0)
(running :accessor running :initform nil)
(read-from-stream :accessor read-from-stream :initform nil)
(wait :accessor wait :initform nil)))
(defun process-slot (slot-symbol slot-value &key (visual nil))
(cond
((and (stringp slot-value) (equalp (char slot-value 0) #\:))
(read-from-string (subseq slot-value 1)))
((numberp slot-value)
(cond
((and visual (member slot-symbol '(screen-x screen-y width height) :test 'equal))
(round slot-value))
((ratiop slot-value)
(float slot-value))
(t slot-value)))
(t slot-value)))
(defun parse->json-chunk (jsown-obj &key (visual nil))
(let* ((name (if (find "name" (jsown:keywords jsown-obj) :test #'equal)
(read-from-string (jsown:val jsown-obj "name"))
nil))
(typ (read-from-string (jsown:val jsown-obj "isa")))
(slots (jsown:val jsown-obj "slots"))
(type-expression (if name
`(,name isa ,typ)
`(isa ,typ))))
(loop for slot-name in (jsown:keywords slots) do
(let* ((slot-symbol (read-from-string slot-name))
(slot-value (process-slot slot-symbol (jsown:val slots slot-name) :visual visual)))
(setq type-expression (append type-expression `(,slot-symbol ,slot-value)))))
type-expression))
(defun json->chunkpairs (loc-chunks obj-chunks)
(pairlis (define-chunks-fct (mapcar (lambda (chunk) (parse->json-chunk chunk :visual t)) loc-chunks))
(define-chunks-fct (mapcar (lambda (chunk) (parse->json-chunk chunk :visual t)) obj-chunks))))
(defun json->chunkpair (loc-chunk obj-chunk)
(cons (first (define-chunks-fct (list (parse->json-chunk loc-chunk :visual t))))
(first (define-chunks-fct (list (parse->json-chunk obj-chunk :visual t))))))
(defun update-display-chunks (chunks)
(loop for chunk in chunks do
(let ((name (read-from-string (jsown:val chunk "name")))
(slots (jsown:val chunk "slots")))
(loop for slot-name in (jsown:keywords slots) do
(let* ((slot-symbol (read-from-string slot-name))
(slot-value (process-slot slot-symbol (jsown:val slots slot-name) :visual t)))
(set-chunk-slot-value-fct name slot-symbol slot-value))))))
(defmethod handle-event ((instance json-interface-module) model method params)
(cond
((string= method "disconnect")
(return-from handle-event t))
((string= method "trigger-event")
(let ((callback (gethash (read-from-string (jsown:val params "event")) (event-hooks instance))))
(if callback
(apply callback (jsown:val params "args")))))
((string= method "setup")
(setf (width instance) (jsown:val params "width"))
(setf (height instance) (jsown:val params "height")))
((string= method "sync")
(progn
(setf (wait instance) nil)
(bordeaux-threads:condition-notify (sync-cond instance))))
((string= method "update-display")
(progn
(print-warning "The use of JNI command 'update-display' is deprecated, use display-new instead.")
(setf (display instance) (json->chunkpairs (jsown:val params "loc-chunks")
(jsown:val params "obj-chunks")))
(if (not (process-display-called (get-module :vision)))
(proc-display :clear (jsown:val params "clear")))))
((string= method "display-new")
(progn
(setf (display instance) (json->chunkpairs (jsown:val params "loc-chunks")
(jsown:val params "obj-chunks")))
(if (not (process-display-called (get-module :vision)))
(proc-display :clear t))))
((string= method "display-add")
(progn
(setf (display instance) (cons (json->chunkpair (jsown:val params "loc-chunk")
(jsown:val params "obj-chunk"))
(display instance)))
(if (not (process-display-called (get-module :vision)))
(proc-display :clear nil))))
((string= method "display-remove")
(progn
(setf (display instance) (remove (read-from-string (jsown:val params "loc-chunk-name")) (display instance) :key #'car))
(if (not (process-display-called (get-module :vision)))
(proc-display :clear nil))))
((string= method "display-update")
(progn
(update-display-chunks (jsown:val params "chunks"))
(if (not (process-display-called (get-module :vision)))
(proc-display :clear (jsown:val params "clear")))))
((string= method "add-dm")
(add-dm-fct (list (parse->json-chunk (jsown:val params "chunk")))))
((string= method "trigger-reward")
(trigger-reward (jsown:val params "reward")))
((string= method "set-cursor-loc")
(setf (cursor-loc instance) (jsown:val params "loc")))
((string= method "new-digit-sound")
(new-digit-sound (jsown:val params "digit")))
((string= method "new-tone-sound")
(new-tone-sound (jsown:val params "frequency") (jsown:val params "duration")))
((string= method "new-word-sound")
(new-word-sound (jsown:val params "words")))
((string= method "new-other-sound")
(new-other-sound (jsown:val params "content") (jsown:val params "onset") (jsown:val params "delay") (jsown:val params "recode"))))
(return-from handle-event nil))
(defmethod read-stream ((instance json-interface-module))
(handler-case
(loop
(if (read-from-stream instance)
(if (listen (jstream instance))
(let ((line (read-line (jstream instance))))
(if (and line (> (length line) 0))
(let ((o (jsown:parse line)))
(if (handle-event instance (jsown:val o "model") (jsown:val o "method") (jsown:val o "params"))
(return-from read-stream "Disconnect")))
(return-from read-stream "Nothing to read"))))
(return-from read-stream "Stop reading")))
(usocket:socket-error () (return-from read-stream "Socket error"))
(end-of-file () (return-from read-stream "End of file"))))
(defmethod cleanup ((instance json-interface-module))
(if (jstream instance)
(close (jstream instance)))
(if (socket instance)
(usocket:socket-close (socket instance)))
(if (sync-event instance)
(delete-event (sync-event instance)))
(bordeaux-threads:condition-notify (sync-cond instance))
(setf (jstream instance) nil)
(setf (socket instance) nil)
(setf (thread instance) nil)
(setf (sync-event instance) nil))
(defmethod send-raw ((instance json-interface-module) string)
(write-string string (jstream instance))
(write-char #\return (jstream instance))
(write-char #\linefeed (jstream instance))
(finish-output (jstream instance)))
(defmethod send-command ((instance json-interface-module) method params &key sync)
(let ((mid (format nil "~a" (current-model))))
(bordeaux-threads:with-recursive-lock-held
((sync-lock instance))
(progn
(setf (wait instance) t)
(send-raw instance (jsown:to-json (jsown:new-js ("model" mid) ("method" method) ("params" params))))
(if (and sync (wait instance))
(bordeaux-threads:condition-wait (sync-cond instance) (sync-lock instance)))))))
(defmethod send-mp-time ((instance json-interface-module))
(if (jstream instance)
(send-command instance "set-mp-time" (jsown:new-js ("time" (mp-time))) :sync t)))
(defmethod device-hold-finger ((instance json-interface-module) hand finger)
(send-command instance "hold-finger" (jsown:new-js ("hand" (symbol-name hand)) ("finger" (symbol-name finger)))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-release-finger ((instance json-interface-module) hand finger)
(send-command instance "release-finger" (jsown:new-js ("hand" (symbol-name hand)) ("finger" (symbol-name finger)))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-handle-keypress ((instance json-interface-module) key)
(send-command instance "keypress" (jsown:new-js ("keycode" (char-code key)))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-move-cursor-to ((instance json-interface-module) loc)
(send-command instance "mousemotion" (jsown:new-js ("loc" (list (aref loc 0) (aref loc 1))))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-handle-click ((instance json-interface-module))
(send-command instance "mouseclick" (jsown:new-js ("button" 1))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-speak-string ((instance json-interface-module) msg)
(send-command instance "speak" (jsown:new-js ("message" msg))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-update-eye-loc ((instance json-interface-module) loc)
(when loc (setf loc (list (aref loc 0) (aref loc 1))))
(send-command instance "gaze-loc" (jsown:new-js ("loc" loc))
:sync (not (numberp (jni-sync instance)))))
(defmethod device-update-attended-loc ((instance json-interface-module) loc)
(when loc (setf loc (list (aref loc 0) (aref loc 1))))
(send-command instance "attention-loc" (jsown:new-js ("loc" loc))
:sync (not (numberp (jni-sync instance)))))
(defmethod disconnect ((instance json-interface-module))
(send-command instance "disconnect" nil)
(setf (read-from-stream instance) nil)
(bordeaux-threads:join-thread (thread instance))
(cleanup instance))
(defmethod get-mouse-coordinates ((instance json-interface-module))
(cursor-loc instance))
(defmethod cursor-to-vis-loc ((instance json-interface-module))
nil)
(defmethod build-vis-locs-for ((instance json-interface-module) vis-mod)
(declare (ignore vis-mod))
(if (display instance)
(mapcar 'car (display instance))))
(defmethod vis-loc-to-obj ((instance json-interface-module) vis-loc)
(if (display instance)
(cdr (assoc vis-loc (display instance)))))
(defun create-json-netstring-module (name)
(declare (ignore name))
(make-instance 'json-interface-module))
(defun reset-json-netstring-module (instance)
(setf (running instance) nil)
(if (and (socket instance) (jstream instance) (thread instance))
(progn
(send-command instance "reset" (jsown:new-js ("time-lock" (numberp (jni-sync instance)))) :sync t)
(install-device instance))
(if (and (current-model) (jni-hostname instance) (jni-port instance))
(connect instance))))
(defun delete-json-netstring-module (instance)
(if (socket instance)
(disconnect instance)))
(defmethod connect ((instance json-interface-module))
(handler-case
(progn
(setf (socket instance) (usocket:socket-connect (jni-hostname instance) (jni-port instance)))
(setf (jstream instance) (usocket:socket-stream (socket instance)))
(setf (read-from-stream instance) t)
(setf (thread instance) (bordeaux-threads:make-thread #'(lambda () (read-stream instance))))
(install-device instance))
(usocket:socket-error ()
(progn
(print-warning "Socket error")
(cleanup instance)
(return-from connect)))))
(defun run-start-json-netstring-module (instance)
(if (and (socket instance) (current-model))
(progn
(if (numberp (jni-sync instance))
(setf (sync-event instance)
(schedule-periodic-event (jni-sync instance) (lambda () (send-mp-time instance)) :maintenance t)))
(send-command instance "model-run" (jsown:new-js ("resume" (running instance))) :sync t)
(setf (running instance) t))))
(defun run-end-json-netstring-module (instance)
(if (and (socket instance) (current-model))
(progn
(if (sync-event instance)
(delete-event (sync-event instance)))
(send-command instance "model-stop" nil))))
(defun jni-register-event-hook (event hook)
(setf (gethash event (event-hooks (get-module json-network-interface))) hook))
(defun params-json-netstring-module (instance param)
(if (consp param)
(let ((hostname (jni-hostname instance))
(port (jni-port instance)))
(progn
(let ((ret nil))
(case (car param)
(:jni-hostname (setf ret (setf (jni-hostname instance) (cdr param))))
(:jni-port (setf ret (setf (jni-port instance) (cdr param))))
(:jni-sync (setf ret (setf (jni-sync instance) (cdr param)))))
(if (and (jni-hostname instance) (jni-port instance))
(if (or (not (string= hostname (jni-hostname instance))) (not (equal port (jni-port instance))))
(connect instance)))
ret)))
(case param
(:jni-hostname (jni-hostname instance))
(:jni-port (jni-port instance))
(:jni-sync (jni-sync instance)))))
(undefine-module jni)
(define-module-fct
'json-network-interface
nil
(list (define-parameter :jni-hostname
:documentation "The hostname/fqdn of the remote environment")
(define-parameter :jni-port
:documentation "The port number of the remote environment")
(define-parameter :jni-sync
:documentation "The timing mode of the model. Use nil for asynchronous mode, t for synchronous mode and any positive number for time-locked mode."))
:version "1.0"
:documentation "Module based manager for remote TCP environments using JSON"
:params 'params-json-netstring-module
:creation 'create-json-netstring-module
:reset (list nil nil 'reset-json-netstring-module)
:delete 'delete-json-netstring-module
:run-start 'run-start-json-netstring-module
:run-end 'run-end-json-netstring-module
:update nil)