/usr/share/emacs/site-lisp/wl/elmo/slp.el is in wl-beta 2.15.9+0.20151119-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | ;;; slp.el --- An SLP interface.
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: SLP
;; Copyright (C) 2001 Yuuichi Teranishi <teranisi@gohome.org>
;; This file is not part of GNU Emacs
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;; slp.el is an elisp library providing an interface for SLP (RFC2614)
;; using OpenSLP(http://www.openslp.org/) slptool .
;;
;;; History:
;; 28 Aug 2001 Created.
;;; Code:
(eval-when-compile (require 'cl))
(defgroup slp nil
"Interface for `Service Location Protocol'."
:group 'comm)
(defcustom slp-program "slptool"
"SLP client program (OpenSLP's slptool)."
:type 'string
:group 'slp)
(defcustom slp-program-arguments nil
"Option argument for SLP client program."
:type '(repeat string)
:group 'slp)
(defun slp-exec-wait (type &rest args)
"Synchronous execution of slp-program.
TYPE is a symbol (one of `srvs', `attrs', `srvtypes', `as-is', `ignore')."
(with-temp-buffer
(let ((result (apply 'call-process slp-program nil t nil
(append slp-program-arguments (delq nil args)))))
(unless (zerop result)
(error "SLP error: %s" (buffer-string)))
(goto-char (point-min))
(case type
(srvs (slp-parse-srvs))
(attrs (slp-parse-attrs))
(srvtypes (slp-parse-srvtypes))
(as-is (buffer-string))))))
;; Response parser.
(defun slp-parse-srvs ()
(let (srvtype hostport host port lifetime srvs)
(while (and
(not (eobp))
(looking-at "service:\\([^:]+\\):/[^/]*/\\([^,]+\\),\\([0-9]+\\)"))
(setq srvtype (match-string 1)
hostport (match-string 2)
lifetime (string-to-number (match-string 3)))
(if (string-match ":\\([0-9]+\\)" hostport)
(setq host (substring hostport 0 (match-beginning 0))
port (string-to-number (match-string 1 hostport)))
(setq host hostport
port nil))
(push (cons (list srvtype host port) lifetime) srvs)
(forward-line))
(list 'srvs (nreverse srvs))))
(defsubst slp-forward ()
(or (eobp) (forward-char)))
(defun slp-parse-attr ()
(when (looking-at "(\\([^=]+\\)=\\([^)]+\\))")
(prog1 (cons (match-string 1) (match-string 2))
(goto-char (match-end 0)))))
(defun slp-parse-attrs ()
(let (attrs)
(push (slp-parse-attr) attrs)
(while (eq (char-after (point)) ?,)
(slp-forward)
(push (slp-parse-attr) attrs))
(list 'attrs (nreverse attrs))))
(defun slp-parse-srvtypes ()
(let (types)
(while (not (eobp))
(when (looking-at "^service:\\([^/\n]+\\)$")
(push (buffer-substring (match-beginning 1) (match-end 1)) types))
(forward-line))
(list 'srvtypes (nreverse types))))
;; Response accessor.
(defsubst slp-response-type (response)
(nth 0 response))
(defsubst slp-response-body (response)
(nth 1 response))
(defsubst slp-response-srv-url-service-type (srv)
(nth 0 (car srv)))
(defsubst slp-response-srv-url-host (srv)
(nth 1 (car srv)))
(defsubst slp-response-srv-url-port (srv)
(nth 2 (car srv)))
(defsubst slp-response-srv-lifetime (srv)
(cdr srv))
;; Commands
(defun slp-findsrvs (service-type &optional filter)
(slp-exec-wait 'srvs "findsrvs" service-type filter))
(defun slp-findattrs (url &rest attrids)
(apply 'slp-exec-wait 'attrs "findattrs" url attrids))
(defun slp-findsrvtypes (&optional authority)
(slp-exec-wait 'srvtypes "findsrvtypes" authority))
(defun slp-findscopes ()
(slp-exec-wait 'as-is "findscopes"))
(defun slp-register (url &optional attrs)
(slp-exec-wait 'ignore "register" url (mapconcat
(lambda (pair)
(format "(%s=%s)"
(car pair)
(cdr pair)))
attrs
",")))
(defun slp-deregister (url)
(slp-exec-wait 'ignore "deregister" url))
(defun slp-getproperty (propertyname)
(slp-exec-wait 'as-is "getproperty" propertyname))
(provide 'slp)
;;; slp.el ends here
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