;;;; Programmer: Kevin M. Rosenberg with excerpts from portableaserve
;;;; Date Started: Jun 2003
;;;;
-;;;; $Id: sockets.lisp,v 1.2 2003/07/09 22:12:52 kevin Exp $
+;;;; $Id$
;;;; *************************************************************************
(in-package #:kmrcl)
#+allegro (require :socket))
-#+lispworks
-(progn
-
-(define-condition lw-stream-error (error)
- ((stream :initarg :stream
- :reader stream-error-stream)
- (action :initarg :action
- :reader stream-error-action)
- (code :initarg :code
- :reader stream-error-code)
- (identifier :initarg :identifier
- :reader stream-error-identifier))
- (:report (lambda (condition stream)
- (format stream "A stream error occured (action=~A identifier=~A code=~A stream=~S)."
- (stream-error-action condition)
- (stream-error-identifier condition)
- (stream-error-code condition)
- (stream-error-stream condition)))))
-
-(define-condition socket-error (lw-stream-error)
- ()
- (:report (lambda (condition stream)
- (format stream "A socket error occured (action=~A identifier=~A code=~A stream=~S)."
- (stream-error-action condition)
- (stream-error-identifier condition)
- (stream-error-code condition)
- (stream-error-stream condition)))))
-
-(defclass socket ()
- ((passive-socket :type fixnum
- :initarg :passive-socket
- :reader socket-os-fd)))
-
- (defclass passive-socket (socket)
- ((element-type :type (member signed-byte unsigned-byte base-char)
- :initarg :element-type
- :reader element-type)
- (port :type fixnum
- :initarg :port
- :reader local-port)))
-
- (defmethod print-object ((passive-socket passive-socket) stream)
- (print-unreadable-object (passive-socket stream :type t :identity nil)
- (format stream "@~d on port ~d" (socket-os-fd passive-socket) (local-port passive-socket))))
-
- (defclass binary-socket-stream (comm:socket-stream) ())
-(defclass input-binary-socket-stream (binary-socket-stream)())
-(defclass output-binary-socket-stream (binary-socket-stream)())
-(defclass bidirectional-binary-socket-stream (input-binary-socket-stream output-binary-socket-stream)())
-
-#+unix
-(defun %socket-error-identifier (code)
- (case code
- (32 :x-broken-pipe)
- (98 :address-in-use)
- (99 :address-not-available)
- (100 :network-down)
- (102 :network-reset)
- (103 :connection-aborted)
- (104 :connection-reset)
- (105 :no-buffer-space)
- (108 :shutdown)
- (110 :connection-timed-out)
- (111 :connection-refused)
- (112 :host-down)
- (113 :host-unreachable)
- (otherwise :unknown)))
-
-#+win32
-(defun %socket-error-identifier (code)
- (case code
- (10048 :address-in-use)
- (10049 :address-not-available)
- (10050 :network-down)
- (10052 :network-reset)
- (10053 :connection-aborted)
- (10054 :connection-reset)
- (10055 :no-buffer-space)
- (10058 :shutdown)
- (10060 :connection-timed-out)
- (10061 :connection-refused)
- (10064 :host-down)
- (10065 :host-unreachable)
- (otherwise :unknown)))
-
-(defun socket-error (stream error-code action format-string &rest format-args)
- (let ((code (if (numberp error-code) error-code #+unix(lw:errno-value))))
- (error 'socket-error :stream stream :code code
- :identifier (if (keywordp error-code)
- error-code
- (%socket-error-identifier error-code))
- :action action
- :format-control "~A occured while doing socket IO (~?)"
- :format-arguments (list 'socket-error format-string format-args))))
-
-
-(defmethod comm::socket-error ((stream binary-socket-stream) error-code format-string &rest format-args)
- (apply #'socket-error stream error-code :IO format-string format-args))
-
-(defmethod stream-input-available ((fd fixnum))
- (comm::socket-listen fd))
-
-(defmethod stream-input-available ((stream stream::os-file-handle-stream))
- (stream-input-available (stream::os-file-handle-stream-file-handle stream)))
-
-(defmethod stream-input-available ((stream comm:socket-stream))
- (or (comm::socket-listen (comm:socket-stream-socket stream))
- (listen stream)))
-
-(defmethod stream-input-available ((stream passive-socket))
- (comm::socket-listen (socket-os-fd stream)))
-
-(defun %new-passive-socket (local-port)
- (multiple-value-bind (socket error-location error-code)
- (comm::create-tcp-socket-for-service local-port)
- (cond (socket socket)
- (t (error 'socket-error :action error-location :code error-code :identifier :unknown)))))
-
-) ;; lispworks
-
#+sbcl
(defun listen-to-inet-port (&key (port 0) (kind :stream) (reuse nil))
"Create, bind and listen to an inet socket on *:PORT.
(defun create-inet-listener (port &key (format :text) (reuse-address t))
#+cmu (ext:create-inet-listener port)
#+allegro
- (socket:make-socket :connect :passive :local-port port :format :binary
+ (socket:make-socket :connect :passive :local-port port :format format
:address-family
(if (stringp port)
:file
#+sbcl
(listen-to-inet-port :port port :reuse reuse-address)
#+clisp (ext:socket-server port)
- #+lispworks
- (let ((comm::*use_so_reuseaddr* reuse-address))
- (make-instance 'passive-socket
- :port port
- :passive-socket (%new-passive-socket port)
- :element-type (case format
- (:text 'base-char))))
+ #+openmcl
+ (ccl:make-socket :connect :passive :local-port port
+ :reuse-address reuse-address)
+ #-(or allegro clisp cmu sbcl openmcl)
+ (warn "create-inet-listener not supported on this implementation")
)
(defun make-fd-stream (socket &key input output element-type)
(defun accept-tcp-connection (listener)
+ "Returns (VALUES stream socket)"
+ #+allegro
+ (let ((sock (socket:accept-connection listener)))
+ (values sock sock))
+ #+clisp
+ (let ((sock (ext:socket-accept listener)))
+ (values sock sock))
#+cmu
(progn
(mp:process-wait-until-fd-usable listener :input)
- (sys:make-fd-stream
- (nth-value 0 (ext:accept-tcp-connection listener))
- :input t :output t))
+ (let ((sock (nth-value 0 (ext:accept-tcp-connection listener))))
+ (values (sys:make-fd-stream sock :input t :output t) sock)))
#+sbcl
(when (sb-sys:wait-until-fd-usable
(sb-bsd-sockets:socket-file-descriptor listener) :input)
- (sb-bsd-sockets:socket-make-stream
- (sb-bsd-sockets:socket-accept listener)
- :element-type 'base-char
- :input t :output t))
- #+allegro
- (socket:accept-connection listener)
- #+clisp
- (ext:socket-accept listener)
- #+lispworks
- (progn
- (loop while (not (stream-input-available listener))
- do (sleep 1))
- (make-instance 'bidirectional-binary-socket-stream
- :socket (comm::get-fd-from-socket
- (socket-os-fd listener))
- :direction :io
- :element-type (element-type listener)))
-
+ (let ((sock (sb-bsd-sockets:socket-accept listener)))
+ (values
+ (sb-bsd-sockets:socket-make-stream
+ sock :element-type 'base-char :input t :output t)
+ sock)))
+ #+openmcl
+ (let ((sock (ccl:accept-connection listener :wait t)))
+ (values sock sock))
+ #-(or allegro clisp cmu sbcl openmcl)
+ (warn "accept-tcp-connection not supported on this implementation")
)
(defun close-passive-socket (socket)
#+allegro (close socket)
+ #+clisp (close socket)
#+cmu (unix:unix-close socket)
#+sbcl (sb-unix:unix-close
(sb-bsd-sockets:socket-file-descriptor socket))
- #+clisp (close socket)
- #+lispworks (comm::close-socket (socket-os-fd socket))
+ #+openmcl (close socket)
+ #-(or allegro clisp cmu sbcl openmcl)
+ (warn "close-passive-socket not supported on this implementation")
)
(defun close-active-socket (socket)
(close socket))
-#+sbcl
(defun ipaddr-to-dotted (ipaddr &key values)
"Convert from 32-bit integer to dotted string."
(declare (type (unsigned-byte 32) ipaddr))
(values a b c d)
(format nil "~d.~d.~d.~d" a b c d))))
-#+sbcl
(defun dotted-to-ipaddr (dotted &key (errorp t))
"Convert from dotted string to 32-bit integer."
(declare (string dotted))
(if errorp
- (let ((ll (string-tokens (substitute #\Space #\. dotted))))
+ (let ((ll (delimited-string-to-list dotted #\.)))
(+ (ash (first ll) 24) (ash (second ll) 16)
(ash (third ll) 8) (fourth ll)))
(ignore-errors
- (let ((ll (string-tokens (substitute #\Space #\. dotted))))
- (+ (ash (first ll) 24) (ash (second ll) 16)
- (ash (third ll) 8) (fourth ll))))))
+ (let ((ll (delimited-string-to-list dotted #\.)))
+ (+ (ash (first ll) 24) (ash (second ll) 16)
+ (ash (third ll) 8) (fourth ll))))))
#+sbcl
(defun ipaddr-to-hostname (ipaddr &key ignore-cache)
(defun make-active-socket (server port)
- #+allegro (socket:make-socket :remote-host server
- :remote-port port)
- #+lispworks (comm:open-tcp-stream server port)
- #+sbcl (let ((socket (make-instance 'sb-bsd-sockets:inet-socket
- :type :stream
- :protocol :tcp)))
- (sb-bsd-sockets:socket-connect
- socket (lookup-hostname server) port)
- (sb-bsd-sockets:socket-make-stream socket
- :input t
- :output t
- :element-type 'base-char))
- #+cmu
- (sys:make-fd-stream (ext:connect-to-inet-socket host port)
- :input t :output t :element-type 'base-char)
+ "Returns (VALUES STREAM SOCKET)"
+ #+allegro
+ (let ((sock (socket:make-socket :remote-host server
+ :remote-port port)))
+ (values sock sock))
+ #+lispworks
+ (let ((sock (comm:open-tcp-stream server port)))
+ (values sock sock))
+ #+sbcl
+ (let ((sock (make-instance 'sb-bsd-sockets:inet-socket
+ :type :stream
+ :protocol :tcp)))
+ (sb-bsd-sockets:socket-connect sock (lookup-hostname server) port)
+ (values
+ (sb-bsd-sockets:socket-make-stream
+ sock :input t :output t :element-type 'base-char)
+ sock))
+ #+cmu
+ (let ((sock (ext:connect-to-inet-socket server port)))
+ (values
+ (sys:make-fd-stream sock :input t :output t :element-type 'base-char)
+ sock))
+ #+openmcl
+ (let ((sock (ccl:make-socket :remote-host server :remote-port port )))
+ (values sock sock))
+ )
+
+(defun ipaddr-array-to-dotted (array)
+ (format nil "~{~D~^.~}" (coerce array 'list))
+ #+ignore
+ (format nil "~D.~D.~D.~D"
+ (aref 0 array) (aref 1 array) (aref 2 array) (array 3 array)))
+
+(defun remote-host (socket)
+ #+allegro (socket:ipaddr-to-dotted (socket:remote-host socket))
+ #+lispworks (nth-value 0 (comm:get-socket-peer-address socket))
+ #+sbcl (ipaddr-array-to-dotted
+ (nth-value 0 (sb-bsd-sockets:socket-peername socket)))
+ #+cmu (nth-value 0 (ext:get-peer-host-and-port socket))
+ #+openmcl (ccl:remote-host socket)
)
+
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