99 lines
3.8 KiB
Common Lisp
99 lines
3.8 KiB
Common Lisp
(cl:in-package #:osc)
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;; Only UDP devices can be transmitters.
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(defun make-osc-transmitter (&key debug-mode cleanup-fun)
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(make-instance 'osc-transmitter-udp
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:debug-mode debug-mode
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:cleanup-fun cleanup-fun))
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(defgeneric connect (osc-transmitter host-port &key host-address
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host-name port)
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(:method-combination progn :most-specific-last))
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(defmethod connect progn ((transmitter osc-transmitter) host-port
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&key (host-address nil addr)
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(host-name "localhost" name) port)
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(when (and addr name)
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(error "Supplied both :host-address and :host-name to connect"))
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(cond (addr
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(when (typep host-address 'string)
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(setf host-address
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(sb-bsd-sockets:make-inet-address host-address))))
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(t
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(setf host-address
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(sb-bsd-sockets:host-ent-address
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(sb-bsd-sockets:get-host-by-name
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host-name)))))
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(if (not (device-active-p transmitter))
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(progn
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(let ((socket (make-socket (protocol transmitter))))
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(if port
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(socket-bind socket #(127 0 0 1) port)
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(socket-bind socket))
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(socket-connect socket host-address host-port)
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(socket-make-stream socket
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:input nil :output t
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:element-type '(unsigned-byte 8)
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:buffering :full)
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(set-socket socket transmitter))
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(when (debug-mode transmitter)
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(format t "~%Device connected: ~A~%~A -> ~A~%"
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(name transmitter) #\Tab
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(make-addr+port-string (peer-address transmitter)
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(peer-port transmitter)))))
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(warn "Already connected"))
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transmitter)
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(defmethod quit ((transmitter osc-transmitter-udp))
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(if (device-active-p transmitter)
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(osc-device-cleanup transmitter)
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(warn "Not connected: ~A" (name transmitter))))
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;;;=====================================================================
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;;; Sending functions
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;;;=====================================================================
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(defmacro osc-write-to-stream (stream &body msg)
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`(progn (write-sequence ,@msg ,stream)
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(finish-output ,stream)))
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(defgeneric send (transmitter data)
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(:method ((transmitter osc-transmitter) data)
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(let ((bytes (encode-osc-data data)))
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(osc-write-to-stream
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(slot-value (socket transmitter) 'stream) bytes))))
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(defgeneric send-msg (transmitter command &rest args)
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(:method ((transmitter osc-transmitter) command &rest args)
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(let ((message (make-message command args)))
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(send transmitter message))))
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(defgeneric send-bundle (transmitter timetag command &rest args)
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(:method ((transmitter osc-transmitter) timetag command &rest args)
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(let ((bundle (bundle timetag
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(make-message command args))))
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(send transmitter bundle))))
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;; Unconnected sending (UDP only)
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(defgeneric send-to (transmitter address port data)
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(:method ((transmitter osc-transmitter-udp) address port data)
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(socket-send (socket transmitter)
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(encode-osc-data data) nil
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:address (list address port))))
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(defgeneric send-msg-to (transmitter address port command &rest args)
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(:method ((transmitter osc-transmitter-udp) address port command
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&rest args)
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(let ((message (make-message command args)))
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(send-to transmitter address port message))))
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(defgeneric send-bundle-to (transmitter address port timetag command
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&rest args)
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(:method ((transmitter osc-transmitter-udp) address port timetag
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command &rest args)
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(let ((bundle (bundle timetag
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(make-message command args))))
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(send-to transmitter address port bundle))))
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