(eval-when (:load-toplevel :compile-toplevel :execute)
-#+win32
-(defvar *wsa-startup-call*
- (sockint::wsa-startup (sockint::make-wsa-version 2 2)))
-
(defclass socket ()
((file-descriptor :initarg :descriptor
:reader socket-file-descriptor)
:reader socket-type
:documentation "Type of the socket: :STREAM or :DATAGRAM.")
(stream))
- (:documentation "Common base class of all sockets, not ment to be
+ (:documentation "Common base class of all sockets, not meant to be
directly instantiated.")))
(defmethod print-object ((object socket) stream)
sockaddr
(size-of-sockaddr socket))))
(cond
- ((and (= fd -1) (= sockint::EAGAIN (sb-unix::get-errno)))
+ ((and (= fd -1)
+ (member (sb-unix::get-errno)
+ (list sockint::EAGAIN sockint::EINTR)))
nil)
((= fd -1) (socket-error "accept"))
(t (apply #'values
(defgeneric socket-receive (socket buffer length
&key
- oob peek waitall element-type)
- (:documentation "Read LENGTH octets from SOCKET into BUFFER (or a freshly-consed buffer if
-NIL), using recvfrom(2). If LENGTH is NIL, the length of BUFFER is
-used, so at least one of these two arguments must be non-NIL. If
-BUFFER is supplied, it had better be of an element type one octet wide.
-Returns the buffer, its length, and the address of the peer
-that sent it, as multiple values. On datagram sockets, sets MSG_TRUNC
-so that the actual packet length is returned even if the buffer was too
-small"))
+ oob peek waitall dontwait element-type)
+ (:documentation
+ "Read LENGTH octets from SOCKET into BUFFER (or a freshly-consed
+buffer if NIL), using recvfrom(2). If LENGTH is NIL, the length of
+BUFFER is used, so at least one of these two arguments must be
+non-NIL. If BUFFER is supplied, it had better be of an element type
+one octet wide. Returns the buffer, its length, and the address of the
+peer that sent it, as multiple values. On datagram sockets, sets
+MSG_TRUNC so that the actual packet length is returned even if the
+buffer was too small."))
(defmethod socket-receive ((socket socket) buffer length
&key
- oob peek waitall
+ oob peek waitall dontwait
(element-type 'character))
(with-sockaddr-for (socket sockaddr)
(let ((flags
(logior (if oob sockint::MSG-OOB 0)
(if peek sockint::MSG-PEEK 0)
(if waitall sockint::MSG-WAITALL 0)
+ (if dontwait sockint::MSG-DONTWAIT 0)
#+linux sockint::MSG-NOSIGNAL ;don't send us SIGPIPE
(if (eql (socket-type socket) :datagram)
sockint::msg-TRUNC 0))))
sockaddr
(sb-alien:addr sa-len))))
(cond
- ((and (= len -1) (= sockint::EAGAIN (sb-unix::get-errno))) nil)
+ ((and (= len -1)
+ (member (sb-unix::get-errno)
+ (list sockint::EAGAIN sockint::EINTR)))
+ nil)
((= len -1) (socket-error "recvfrom"))
(t (loop for i from 0 below len
do (setf (elt buffer i)
(bits-of-sockaddr socket sockaddr)))))))
(sb-alien:free-alien copy-buffer))))))
+(defmacro with-vector-sap ((name vector) &body body)
+ `(sb-sys:with-pinned-objects (,vector)
+ (let ((,name (sb-sys:vector-sap ,vector)))
+ ,@body)))
+
+(defgeneric socket-send (socket buffer length
+ &key
+ address
+ external-format
+ oob eor dontroute dontwait nosignal
+ #+linux confirm #+linux more)
+ (:documentation
+ "Send LENGTH octets from BUFFER into SOCKET, using sendto(2). If BUFFER
+is a string, it will converted to octets according to EXTERNAL-FORMAT. If
+LENGTH is NIL, the length of the octet buffer is used. The format of ADDRESS
+depends on the socket type (for example for INET domain sockets it would
+be a list of an IP address and a port). If no socket address is provided,
+send(2) will be called instead. Returns the number of octets written."))
+
+(defmethod socket-send ((socket socket) buffer length
+ &key
+ address
+ (external-format :default)
+ oob eor dontroute dontwait nosignal
+ #+linux confirm #+linux more)
+ (let* ((flags
+ (logior (if oob sockint::MSG-OOB 0)
+ (if eor sockint::MSG-EOR 0)
+ (if dontroute sockint::MSG-DONTROUTE 0)
+ (if dontwait sockint::MSG-DONTWAIT 0)
+ (if nosignal sockint::MSG-NOSIGNAL 0)
+ #+linux (if confirm sockint::MSG-CONFIRM 0)
+ #+linux (if more sockint::MSG-MORE 0)))
+ (buffer (etypecase buffer
+ (string
+ (sb-ext:string-to-octets buffer
+ :external-format external-format
+ :null-terminate nil))
+ ((simple-array (unsigned-byte 8))
+ buffer)
+ ((array (unsigned-byte 8))
+ (make-array (length buffer)
+ :element-type '(unsigned-byte 8)
+ :initial-contents buffer))))
+ (len (with-vector-sap (buffer-sap buffer)
+ (unless length
+ (setf length (length buffer)))
+ (if address
+ (with-sockaddr-for (socket sockaddr address)
+ (sb-alien:with-alien ((sa-len sockint::socklen-t
+ (size-of-sockaddr socket)))
+ (sockint::sendto (socket-file-descriptor socket)
+ buffer-sap
+ length
+ flags
+ sockaddr
+ sa-len)))
+ (sockint::send (socket-file-descriptor socket)
+ buffer-sap
+ length
+ flags)))))
+ (cond
+ ((and (= len -1)
+ (member (sb-unix::get-errno)
+ (list sockint::EAGAIN sockint::EINTR)))
+ nil)
+ ((= len -1)
+ (socket-error "sendto"))
+ (t len))))
+
(defgeneric socket-listen (socket backlog)
(:documentation "Mark SOCKET as willing to accept incoming connections. BACKLOG
defines the maximum length that the queue of pending connections may
(unless stream
(setf stream (apply #'sb-sys:make-fd-stream
(socket-file-descriptor socket)
- :name "a constant string"
+ :name "a socket"
:dual-channel-p t
args))
(setf (slot-value socket 'stream) stream)