lispworks.lisp

   1 ;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: HUNCHENTOOT; Base: 10 -*-
   2 ;;; $Header: /usr/local/cvsrep/hunchentoot/port-lw.lisp,v 1.14 2008/04/08 14:39:18 edi Exp $
   3
   4 ;;; Copyright (c) 2004-2009, Dr. Edmund Weitz. All rights reserved.
   5
   6 ;;; Redistribution and use in source and binary forms, with or without
   7 ;;; modification, are permitted provided that the following conditions
   8 ;;; are met:
   9
  10 ;;;   * Redistributions of source code must retain the above copyright
  11 ;;;     notice, this list of conditions and the following disclaimer.
  12
  13 ;;;   * Redistributions in binary form must reproduce the above
  14 ;;;     copyright notice, this list of conditions and the following
  15 ;;;     disclaimer in the documentation and/or other materials
  16 ;;;     provided with the distribution.
  17
  18 ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
  19 ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 ;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 ;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22 ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24 ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25 ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26 ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27 ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28 ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 (in-package :hunchentoot)
  31
  32 (eval-when (:compile-toplevel :load-toplevel :execute)
  33   ;; make sure socket code is loaded
  34   (require "comm"))
  35
  36 (defun get-env-variable-as-directory (name)
  37   "Retrieves the environment variable named NAME and interprets it as
  38 the pathname of a directory which is returned."
  39   (lw:when-let (string (lw:environment-variable name))
  40     (when (plusp (length string))
  41       (cond ((find (char string (1- (length string))) "\\/" :test #'char=) string)
  42             (t (lw:string-append string "/"))))))
  43
  44 (defmacro with-rebinding (bindings &body body)
  45   "Renaming LW:REBINDING for better indentation."
  46   `(lw:rebinding ,bindings ,@body))
  47
  48 #+(and :lispworks4.4 (or :win32 :linux))
  49 (let ((id :system-cons-free-chain))
  50   (unless (scm::patch-id-loaded-p id)
  51     (error "You need a patch to improve the performance of this code. Request patch ~S for ~A for ~A from lisp-support@lispworks.com using the Report Bug command."
  52           id (lisp-implementation-type)
  53           #+:win32 "Windows"
  54           #+:linux "Linux")))
  55
  56 (defvar *cleanup-interval* 100
  57   "Should be NIL or a positive integer.  The system calls
  58 *CLEANUP-FUNCTION* whenever *CLEANUP-INTERVAL* new worker threads
  59 \(counted globally across all acceptors) have been created unless the
  60 value is NIL.  The initial value is 100.
  61
  62 This variable is only available on LispWorks.")
  63
  64 (defvar *cleanup-function* 'cleanup-function
  65   "A designator for a function without arguments which is called on a
  66 regular basis if *CLEANUP-INTERVAL* is not NIL.  The initial value is
  67 the name of a function which invokes a garbage collection on 32-bit
  68 versions of LispWorks.
  69
  70 This variable is only available on LispWorks.")
  71
  72 (defvar *worker-counter* 0
  73   "Internal counter used to count worker threads.  Needed for
  74 *CLEANUP-FUNCTION*.")
  75
  76 (defun cleanup-function ()
  77   "The default for *CLEANUP-FUNCTION*.  Invokes a GC on 32-bit
  78 LispWorks."
  79   #-:lispworks-64bit
  80   (hcl:mark-and-sweep 2))
  81
  82 (defun get-peer-address-and-port (socket)
  83   "Returns the peer address and port of the socket SOCKET as two
  84 values.  The address is returned as a string in dotted IP address
  85 notation."
  86   (multiple-value-bind (peer-addr peer-port)
  87       (comm:get-socket-peer-address socket)
  88     (values (ignore-errors (comm:ip-address-string peer-addr)) peer-port)))
  89
  90 (defun make-socket-stream (socket acceptor)
  91   "Returns a stream for the socket SOCKET.  The ACCEPTOR argument is
  92 used to set the timeouts."
  93   #-(or :lispworks5 :lispworks6)
  94   (when (acceptor-write-timeout acceptor)
  95     (parameter-error "You need LispWorks 5 or higher for write timeouts."))
  96   (make-instance 'comm:socket-stream
  97                  :socket socket
  98                  :direction :io
  99                  :read-timeout (acceptor-read-timeout acceptor)
 100                  #+(or :lispworks5 :lispworks6) #+(or :lispworks5 :lispworks6)
 101                  :write-timeout (acceptor-write-timeout acceptor)
 102                  :element-type 'octet))
 103
 104 (defun make-lock (name)
 105   "Simple wrapper to allow LispWorks and Bordeaux Threads to coexist."
 106   (mp:make-lock :name name))
 107
 108 (defmacro with-lock-held ((lock) &body body)
 109   "Simple wrapper to allow LispWorks and Bordeaux Threads to coexist."
 110   `(mp:with-lock (,lock) ,@body))
 111
 112 ;; some help for the IDE
 113 (dspec:define-dspec-alias defvar-unbound (name)
 114   `(defparameter ,name))
 115
 116 (dspec:define-dspec-alias def-http-return-code (name)
 117   `(defconstant ,name))
 118
 119 (editor:setup-indent "defvar-unbound" 1 2 4)
 120
 121 (editor:setup-indent "def-http-return-code" 1 2 4)
 122