Author: ctian Date: Thu Mar 31 02:25:43 2011 New Revision: 619 Log: [CLISP] SOCKET-RECEIVE (FFI version), untested. Modified: usocket/branches/0.5.x/backend/clisp.lisp usocket/branches/0.5.x/usocket.lisp Modified: usocket/branches/0.5.x/backend/clisp.lisp ============================================================================== --- usocket/branches/0.5.x/backend/clisp.lisp (original) +++ usocket/branches/0.5.x/backend/clisp.lisp Thu Mar 31 02:25:43 2011 @@ -323,11 +323,11 @@ (ffi:def-call-out %recvfrom (:name "recvfrom") (:arguments (socket ffi:int) - (buffer (ffi:c-ptr ffi:uint8) :out) + (buffer (ffi:c-ptr ffi:uint8) :in-out) (length ffi:int) (flags ffi:int) - (address (ffi:c-ptr sockaddr) :out) - (address-len (ffi:c-ptr ffi:int) :out)) + (address (ffi:c-ptr sockaddr) :in-out) + (address-len (ffi:c-ptr ffi:int) :in-out)) #+win32 (:library "WS2_32") #-win32 (:library :default) (:language #-win32 :stdc @@ -438,10 +438,16 @@ (declaim (inline fill-sockaddr_in)) (defun fill-sockaddr_in (sockaddr host port) (let ((hbo (host-to-hbo #(127 0 0 1)))) + #+ignore (setf (ffi:slot (ffi:foreign-value sockaddr) 'sin_len) *length-of-sockaddr_in* (ffi:slot (ffi:foreign-value sockaddr) 'sin_family) +socket-af-inet+ (ffi:slot (ffi:foreign-value sockaddr) 'sin_port) (%htons port) (ffi:slot (ffi:foreign-value sockaddr) 'sin_addr) (%htonl hbo)) + (ffi:with-c-place (place sockaddr) + (setf (ffi:slot place 'sin_len) *length-of-sockaddr_in* + (ffi:slot place 'sin_family) +socket-af-inet+ + (ffi:slot place 'sin_port) (%htons port) + (ffi:slot place 'sin_addr) (%htonl hbo))) sockaddr)) (defun socket-create-datagram (local-port @@ -467,17 +473,49 @@ (ffi:foreign-free rsock_addr))) (make-datagram-socket sock :connected-p (if rsock_addr t nil)))) + (defmethod initialize-instance :after ((usocket datagram-usocket) &key) + (with-slots (send-buffer recv-buffer) usocket + (setf send-buffer (ffi:allocate-shallow 'ffi:uint8 :count +max-datagram-packet-size+) + recv-buffer (ffi:allocate-shallow 'ffi:uint8 :count +max-datagram-packet-size+)))) + (defmethod socket-close ((usocket datagram-usocket)) (when (wait-list usocket) (remove-waiter (wait-list usocket) usocket)) - (zerop (%close (socket usocket)))) + (with-slots (send-buffer recv-buffer socket) usocket + (ffi:foreign-free send-buffer) + (ffi:foreign-free recv-buffer) + (zerop (%close socket)))) - (defmethod socket-receive ((socket datagram-usocket) buffer length &key) + (defmethod socket-receive ((usocket datagram-usocket) buffer length &key) (declare (values (simple-array (unsigned-byte 8) (*)) ; buffer (integer 0) ; size (unsigned-byte 32) ; host (unsigned-byte 16))) ; port - ) + (let ((remote-address (ffi:allocate-shallow 'sockaddr_in)) + (remote-address-length (ffi:allocate-shallow 'ffi:int)) + nbytes) + (unwind-protect + (with-slots (recv-buffer) usocket + (multiple-value-bind (n buffer address address-len) + (%recvfrom (socket usocket) + recv-buffer + +max-datagram-packet-size+ + 0 ; flags + remote-address + remote-address-length) + (setq nbytes n) + (cond ((plusp n) + (if buffer ; replace exist buffer of create new return buffer + (replace buffer (ffi:foreign-value recv-buffer) + :end1 (min length +max-datagram-packet-size+) + :end2 (min n +max-datagram-packet-size+)) + (setq buffer (subseq (ffi:foreign-value recv-buffer) + 0 (min n +max-datagram-packet-size+))))) + ((zerop n)) ; do nothing + (t)))) ; TODO: handle error here. + (ffi:foreign-free remote-address) + (ffi:foreign-free remote-address-length)) + (values buffer nbytes 0 0))) ; TODO: remote-host and remote-port needed (defmethod socket-send ((socket datagram-usocket) buffer length &key host port) ) Modified: usocket/branches/0.5.x/usocket.lisp ============================================================================== --- usocket/branches/0.5.x/usocket.lisp (original) +++ usocket/branches/0.5.x/usocket.lisp Thu Mar 31 02:25:43 2011 @@ -99,18 +99,21 @@ ((connected-p :type boolean :accessor connected-p :initarg :connected-p) - #+(or cmu scl lispworks) + #+(or cmu + scl + lispworks + (and clisp ffi (not rawsock))) (%open-p :type boolean :accessor %open-p :initform t :documentation "Flag to indicate if usocket is open, for GC on implementions operate on raw socket fd.") - #+lispworks - (recv-buffer - :documentation "Private RECV buffer.") - #+lispworks - (send-buffer - :documentation "Private SEND buffer.")) + #+(or lispworks + (and clisp ffi (not rawsock))) + (recv-buffer :documentation "Private RECV buffer.") + #+(or lispworks + (and clisp ffi (not rawsock))) + (send-buffer :documentation "Private SEND buffer.")) (:documentation "UDP (inet-datagram) socket")) (defun usocket-p (socket)