osc/devices/socket-functions.lisp

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Common Lisp
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2015-08-25 19:59:32 +00:00
(cl:in-package #:osc)
(defparameter *default-osc-buffer-size* 1024)
(defun make-socket-buffer (&optional (size *default-osc-buffer-size*))
(make-sequence '(vector (unsigned-byte 8)) size))
(defun make-socket (protocol)
(ecase protocol
(:udp (make-udp-socket))
(:tcp (make-tcp-socket))))
(defun make-tcp-socket ()
(make-instance 'inet-socket :type :stream :protocol :tcp))
(defun make-udp-socket ()
(make-instance 'inet-socket :type :datagram :protocol :udp))
(defun make-peername-string (osc-device)
(when (socket osc-device)
(multiple-value-bind (addr port)
(socket-peername (socket osc-device))
(make-addr+port-string addr port))))
(defun make-name-string (osc-device)
(when (socket osc-device)
(multiple-value-bind (addr port)
(socket-name (socket osc-device))
(make-addr+port-string addr port))))
(defun make-addr+port-string (addr port)
(format nil "~{~A~^.~}:~A" (coerce addr 'list) port))
(defun device-active-p (osc-device)
(when (socket osc-device)
(socket-open-p (socket osc-device))))
(defun device-socket-name (osc-device)
(socket-name (socket osc-device)))
(defun port (osc-device)
(if (device-active-p osc-device)
(multiple-value-bind (addr port)
(device-socket-name osc-device)
(declare (ignore addr))
port)
(warn "Device not active.")))
(defun address (osc-device)
(if (device-active-p osc-device)
(multiple-value-bind (addr port)
(device-socket-name osc-device)
(declare (ignore port))
addr)
(warn "Device not active.")))
(defun device-socket-peername (osc-device)
(socket-peername (socket osc-device)))
(defun peer-port (osc-device)
(if (device-active-p osc-device)
(handler-case
(multiple-value-bind (addr port)
(device-socket-peername osc-device)
(declare (ignore addr))
port)
(sb-bsd-sockets:not-connected-error ()
(warn "Device ~a not connected: device removed."
(device-socket-name osc-device))
(osc-device-cleanup osc-device)))
(warn "Device not active.")))
(defun peer-address (osc-device)
(if (device-active-p osc-device)
(handler-case
(multiple-value-bind (addr port)
(device-socket-peername osc-device)
(declare (ignore port))
addr)
(sb-bsd-sockets:not-connected-error ()
(warn "Device ~a not connected: device removed."
(device-socket-name osc-device))
(osc-device-cleanup osc-device)))
(warn "Device not active.")))