Commit 526baa41 authored by Lars Magne Ingebrigtsen's avatar Lars Magne Ingebrigtsen
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Initial revision

parent 231f989b
;;; gnus-demon.el --- daemonic Gnus behaviour
;; Copyright (C) 1995,96 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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:
;;; Code:
(require 'gnus)
(eval-when-compile (require 'cl))
(defvar gnus-demon-handlers nil
"Alist of daemonic handlers to be run at intervals.
Each handler is a list on the form
\(FUNCTION TIME IDLE)
FUNCTION is the function to be called.
TIME is the number of `gnus-demon-timestep's between each call.
If nil, never call. If t, call each `gnus-demon-timestep'.
If IDLE is t, only call if Emacs has been idle for a while. If IDLE
is a number, only call when Emacs has been idle more than this number
of `gnus-demon-timestep's. If IDLE is nil, don't care about
idleness. If IDLE is a number and TIME is nil, then call once each
time Emacs has been idle for IDLE `gnus-demon-timestep's.")
(defvar gnus-demon-timestep 60
"*Number of seconds in each demon timestep.")
;;; Internal variables.
(defvar gnus-demon-timer nil)
(defvar gnus-demon-idle-has-been-called nil)
(defvar gnus-demon-idle-time 0)
(defvar gnus-demon-handler-state nil)
(defvar gnus-demon-is-idle nil)
(defvar gnus-demon-last-keys nil)
(eval-and-compile
(autoload 'timezone-parse-date "timezone")
(autoload 'timezone-make-arpa-date "timezone"))
;;; Functions.
(defun gnus-demon-add-handler (function time idle)
"Add the handler FUNCTION to be run at TIME and IDLE."
;; First remove any old handlers that use this function.
(gnus-demon-remove-handler function)
;; Then add the new one.
(push (list function time idle) gnus-demon-handlers)
(gnus-demon-init))
(defun gnus-demon-remove-handler (function &optional no-init)
"Remove the handler FUNCTION from the list of handlers."
(setq gnus-demon-handlers
(delq (assq function gnus-demon-handlers)
gnus-demon-handlers))
(or no-init (gnus-demon-init)))
(defun gnus-demon-init ()
"Initialize the Gnus daemon."
(interactive)
(gnus-demon-cancel)
(if (null gnus-demon-handlers)
() ; Nothing to do.
;; Set up timer.
(setq gnus-demon-timer
(nnheader-run-at-time
gnus-demon-timestep gnus-demon-timestep 'gnus-demon))
;; Reset control variables.
(setq gnus-demon-handler-state
(mapcar
(lambda (handler)
(list (car handler) (gnus-demon-time-to-step (nth 1 handler))
(nth 2 handler)))
gnus-demon-handlers))
(setq gnus-demon-idle-time 0)
(setq gnus-demon-idle-has-been-called nil)
(setq gnus-use-demon t)))
(gnus-add-shutdown 'gnus-demon-cancel 'gnus)
(defun gnus-demon-cancel ()
"Cancel any Gnus daemons."
(interactive)
(and gnus-demon-timer
(nnheader-cancel-timer gnus-demon-timer))
(setq gnus-demon-timer nil
gnus-use-demon nil))
(defun gnus-demon-is-idle-p ()
"Whether Emacs is idle or not."
;; We do this simply by comparing the 100 most recent keystrokes
;; with the ones we had last time. If they are the same, one might
;; guess that Emacs is indeed idle. This only makes sense if one
;; calls this function seldom -- like once a minute, which is what
;; we do here.
(let ((keys (recent-keys)))
(or (equal keys gnus-demon-last-keys)
(progn
(setq gnus-demon-last-keys keys)
nil))))
(defun gnus-demon-time-to-step (time)
"Find out how many seconds to TIME, which is on the form \"17:43\"."
(if (not (stringp time))
time
(let* ((date (current-time-string))
(dv (timezone-parse-date date))
(tdate (timezone-make-arpa-date
(string-to-number (aref dv 0))
(string-to-number (aref dv 1))
(string-to-number (aref dv 2)) time
(or (aref dv 4) "UT")))
(nseconds (gnus-time-minus
(gnus-encode-date tdate) (gnus-encode-date date))))
(round
(/ (if (< nseconds 0)
(+ nseconds (* 60 60 24))
nseconds) gnus-demon-timestep)))))
(defun gnus-demon ()
"The Gnus daemon that takes care of running all Gnus handlers."
;; Increase or reset the time Emacs has been idle.
(if (gnus-demon-is-idle-p)
(incf gnus-demon-idle-time)
(setq gnus-demon-idle-time 0)
(setq gnus-demon-idle-has-been-called nil))
;; Then we go through all the handler and call those that are
;; sufficiently ripe.
(let ((handlers gnus-demon-handler-state)
handler time idle)
(while handlers
(setq handler (pop handlers))
(cond
((numberp (setq time (nth 1 handler)))
;; These handlers use a regular timeout mechanism. We decrease
;; the timer if it hasn't reached zero yet.
(or (zerop time)
(setcar (nthcdr 1 handler) (decf time)))
(and (zerop time) ; If the timer now is zero...
(or (not (setq idle (nth 2 handler))) ; Don't care about idle.
(and (numberp idle) ; Numerical idle...
(< idle gnus-demon-idle-time)) ; Idle timed out.
gnus-demon-is-idle) ; Or just need to be idle.
;; So we call the handler.
(progn
(funcall (car handler))
;; And reset the timer.
(setcar (nthcdr 1 handler)
(gnus-demon-time-to-step
(nth 1 (assq (car handler) gnus-demon-handlers)))))))
;; These are only supposed to be called when Emacs is idle.
((null (setq idle (nth 2 handler)))
;; We do nothing.
)
((not (numberp idle))
;; We want to call this handler each and every time that
;; Emacs is idle.
(funcall (car handler)))
(t
;; We want to call this handler only if Emacs has been idle
;; for a specified number of timesteps.
(and (not (memq (car handler) gnus-demon-idle-has-been-called))
(< idle gnus-demon-idle-time)
(progn
(funcall (car handler))
;; Make sure the handler won't be called once more in
;; this idle-cycle.
(push (car handler) gnus-demon-idle-has-been-called))))))))
(defun gnus-demon-add-nocem ()
"Add daemonic NoCeM handling to Gnus."
(gnus-demon-add-handler 'gnus-demon-scan-nocem 60 t))
(defun gnus-demon-scan-nocem ()
"Scan NoCeM groups for NoCeM messages."
(gnus-nocem-scan-groups))
(defun gnus-demon-add-disconnection ()
"Add daemonic server disconnection to Gnus."
(gnus-demon-add-handler 'gnus-demon-close-connections nil 30))
(defun gnus-demon-close-connections ()
(gnus-close-backends))
(defun gnus-demon-add-scanmail ()
"Add daemonic scanning of mail from the mail backends."
(gnus-demon-add-handler 'gnus-demon-scan-mail 120 60))
(defun gnus-demon-scan-mail ()
(let ((servers gnus-opened-servers)
server)
(while (setq server (car (pop servers)))
(and (gnus-check-backend-function 'request-scan (car server))
(or (gnus-server-opened server)
(gnus-open-server server))
(gnus-request-scan nil server)))))
(provide 'gnus-demon)
;;; gnus-demon.el ends here
This diff is collapsed.
;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
;; Copyright (C) 1995,96 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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:
;;; Code:
(require 'gnus)
(require 'nnmail)
(eval-when-compile (require 'cl))
(defvar gnus-nocem-groups
'("alt.nocem.misc" "news.admin.net-abuse.announce")
"*List of groups that will be searched for NoCeM messages.")
(defvar gnus-nocem-issuers
'("Automoose-1" ; The CancelMoose[tm] on autopilot.
"clewis@ferret.ocunix.on.ca;" ; Chris Lewis -- Canadian angel & despammer.
"jem@xpat.com;" ; John Milburn -- despammer in Korea.
"red@redpoll.mrfs.oh.us (Richard E. Depew)" ; Spew/bincancel guy.
)
"*List of NoCeM issuers to pay attention to.")
(defvar gnus-nocem-directory
(concat (file-name-as-directory gnus-article-save-directory) "NoCeM/")
"*Directory where NoCeM files will be stored.")
(defvar gnus-nocem-expiry-wait 15
"*Number of days to keep NoCeM headers in the cache.")
(defvar gnus-nocem-verifyer nil
"*Function called to verify that the NoCeM message is valid.
One likely value is `mc-verify'. If the function in this variable
isn't bound, the message will be used unconditionally.")
;;; Internal variables
(defvar gnus-nocem-active nil)
(defvar gnus-nocem-alist nil)
(defvar gnus-nocem-touched-alist nil)
(defvar gnus-nocem-hashtb nil)
;;; Functions
(defun gnus-nocem-active-file ()
(concat (file-name-as-directory gnus-nocem-directory) "active"))
(defun gnus-nocem-cache-file ()
(concat (file-name-as-directory gnus-nocem-directory) "cache"))
(defun gnus-nocem-scan-groups ()
"Scan all NoCeM groups for new NoCeM messages."
(interactive)
(let ((groups gnus-nocem-groups)
group active gactive articles)
(or (file-exists-p gnus-nocem-directory)
(make-directory gnus-nocem-directory t))
;; Load any previous NoCeM headers.
(gnus-nocem-load-cache)
;; Read the active file if it hasn't been read yet.
(and (file-exists-p (gnus-nocem-active-file))
(not gnus-nocem-active)
(condition-case ()
(load (gnus-nocem-active-file) t t t)
(error nil)))
;; Go through all groups and see whether new articles have
;; arrived.
(while (setq group (pop groups))
(if (not (setq gactive (gnus-activate-group group)))
() ; This group doesn't exist.
(setq active (nth 1 (assoc group gnus-nocem-active)))
(when (and (not (< (cdr gactive) (car gactive))) ; Empty group.
(or (not active)
(< (cdr active) (cdr gactive))))
;; Ok, there are new articles in this group, se we fetch the
;; headers.
(save-excursion
(let ((dependencies (make-vector 10 nil))
(buffer (nnheader-set-temp-buffer " *Gnus NoCeM*"))
headers)
(setq headers
(if (eq 'nov
(gnus-retrieve-headers
(setq articles
(gnus-uncompress-range
(cons
(if active (1+ (cdr active))
(car gactive))
(cdr gactive))))
group))
(gnus-get-newsgroup-headers-xover
articles nil dependencies)
(gnus-get-newsgroup-headers dependencies)))
(while headers
;; We take a closer look on all articles that have
;; "@@NCM" in the subject.
(when (string-match "@@NCM"
(mail-header-subject (car headers)))
(gnus-nocem-check-article group (car headers)))
(setq headers (cdr headers)))
(kill-buffer (current-buffer)))))
(setq gnus-nocem-active
(cons (list group gactive)
(delq (assoc group gnus-nocem-active)
gnus-nocem-active)))))
;; Save the results, if any.
(gnus-nocem-save-cache)
(gnus-nocem-save-active)))
(defun gnus-nocem-check-article (group header)
"Check whether the current article is an NCM article and that we want it."
;; Get the article.
(gnus-message 7 "Checking article %d in %s for NoCeM..."
(mail-header-number header) group)
(let ((date (mail-header-date header))
issuer b e)
(when (or (not date)
(nnmail-time-less
(nnmail-time-since (nnmail-date-to-time date))
(nnmail-days-to-time gnus-nocem-expiry-wait)))
(gnus-request-article-this-buffer (mail-header-number header) group)
;; The article has to have proper NoCeM headers.
(when (and (setq b (search-forward "\n@@BEGIN NCM HEADERS\n" nil t))
(setq e (search-forward "\n@@BEGIN NCM BODY\n" nil t)))
;; We get the name of the issuer.
(narrow-to-region b e)
(setq issuer (mail-fetch-field "issuer"))
(and (member issuer gnus-nocem-issuers) ; We like her...
(gnus-nocem-verify-issuer issuer) ; She is who she says she is..
(gnus-nocem-enter-article)))))) ; We gobble the message.
(defun gnus-nocem-verify-issuer (person)
"Verify using PGP that the canceler is who she says she is."
(widen)
(if (fboundp gnus-nocem-verifyer)
(funcall gnus-nocem-verifyer)
;; If we don't have MailCrypt, then we use the message anyway.
t))
(defun gnus-nocem-enter-article ()
"Enter the current article into the NoCeM cache."
(goto-char (point-min))
(let ((b (search-forward "\n@@BEGIN NCM BODY\n" nil t))
(e (search-forward "\n@@END NCM BODY\n" nil t))
(buf (current-buffer))
ncm id)
(when (and b e)
(narrow-to-region b (1+ (match-beginning 0)))
(goto-char (point-min))
(while (search-forward "\t" nil t)
(when (condition-case nil
(boundp (let ((obarray gnus-active-hashtb)) (read buf)))
(error nil))
(beginning-of-line)
(while (= (following-char) ?\t)
(forward-line -1))
(setq id (buffer-substring (point) (1- (search-forward "\t"))))
(push id ncm)
(gnus-sethash id t gnus-nocem-hashtb)
(forward-line 1)
(while (= (following-char) ?\t)
(forward-line 1))))
(when ncm
(setq gnus-nocem-touched-alist t)
(push (cons (let ((time (current-time))) (setcdr (cdr time) nil) time)
ncm)
gnus-nocem-alist)))))
(defun gnus-nocem-load-cache ()
"Load the NoCeM cache."
(unless gnus-nocem-alist
;; The buffer doesn't exist, so we create it and load the NoCeM
;; cache.
(when (file-exists-p (gnus-nocem-cache-file))
(load (gnus-nocem-cache-file) t t t)
(gnus-nocem-alist-to-hashtb))))
(defun gnus-nocem-save-cache ()
"Save the NoCeM cache."
(when (and gnus-nocem-alist
gnus-nocem-touched-alist)
(nnheader-temp-write (gnus-nocem-cache-file)
(prin1 `(setq gnus-nocem-alist ',gnus-nocem-alist) (current-buffer)))
(setq gnus-nocem-touched-alist nil)))
(defun gnus-nocem-save-active ()
"Save the NoCeM active file."
(nnheader-temp-write (gnus-nocem-active-file)
(prin1 `(setq gnus-nocem-active ',gnus-nocem-active) (current-buffer))))
(defun gnus-nocem-alist-to-hashtb ()
"Create a hashtable from the Message-IDs we have."
(let* ((alist gnus-nocem-alist)
(pprev (cons nil alist))
(prev pprev)
(expiry (nnmail-days-to-time gnus-nocem-expiry-wait))
entry)
(setq gnus-nocem-hashtb (gnus-make-hashtable (* (length alist) 51)))
(while (setq entry (car alist))
(if (not (nnmail-time-less (nnmail-time-since (car entry)) expiry))
;; This entry has expired, so we remove it.
(setcdr prev (cdr alist))
(setq prev alist)
;; This is ok, so we enter it into the hashtable.
(setq entry (cdr entry))
(while entry
(gnus-sethash (car entry) t gnus-nocem-hashtb)
(setq entry (cdr entry))))
(setq alist (cdr alist)))))
(gnus-add-shutdown 'gnus-nocem-close 'gnus)
(defun gnus-nocem-close ()
"Clear internal NoCeM variables."
(setq gnus-nocem-alist nil
gnus-nocem-hashtb nil
gnus-nocem-active nil
gnus-nocem-touched-alist nil))
(defun gnus-nocem-unwanted-article-p (id)
"Say whether article ID in the current group is wanted."
(gnus-gethash id gnus-nocem-hashtb))
(provide 'gnus-nocem)
;;; gnus-nocem.el ends here
This diff is collapsed.
;;; gnus-scomo.el --- mode for editing Gnus score files
;; Copyright (C) 1996 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news, mail
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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:
;;; Code:
(require 'easymenu)
(require 'timezone)
(eval-when-compile (require 'cl))
(defvar gnus-score-mode-hook nil
"*Hook run in score mode buffers.")
(defvar gnus-score-menu-hook nil
"*Hook run after creating the score mode menu.")
(defvar gnus-score-edit-exit-function nil
"Function run on exit from the score buffer.")
(defvar gnus-score-mode-map nil)
(unless gnus-score-mode-map
(setq gnus-score-mode-map (copy-keymap emacs-lisp-mode-map))
(define-key gnus-score-mode-map "\C-c\C-c" 'gnus-score-edit-exit)
(define-key gnus-score-mode-map "\C-c\C-d" 'gnus-score-edit-insert-date)
(define-key gnus-score-mode-map "\C-c\C-p" 'gnus-score-pretty-print))
;;;###autoload
(defun gnus-score-mode ()
"Mode for editing Gnus score files.
This mode is an extended emacs-lisp mode.
\\{gnus-score-mode-map}"
(interactive)
(kill-all-local-variables)
(use-local-map gnus-score-mode-map)
(when menu-bar-mode
(gnus-score-make-menu-bar))
(set-syntax-table emacs-lisp-mode-syntax-table)
(setq major-mode 'gnus-score-mode)
(setq mode-name "Score")
(lisp-mode-variables nil)
(make-local-variable 'gnus-score-edit-exit-function)
(run-hooks 'emacs-lisp-mode-hook 'gnus-score-mode-hook))
(defun gnus-score-make-menu-bar ()
(unless (boundp 'gnus-score-menu)
(easy-menu-define
gnus-score-menu gnus-score-mode-map ""
'("Score"
["Exit" gnus-score-edit-exit t]
["Insert date" gnus-score-edit-insert-date t]
["Format" gnus-score-pretty-print t]))
(run-hooks 'gnus-score-menu-hook)))
(defun gnus-score-edit-insert-date ()
"Insert date in numerical format."
(interactive)
(princ (gnus-score-day-number (current-time)) (current-buffer)))
(defun gnus-score-pretty-print ()
"Format the current score file."
(interactive)
(goto-char (point-min))
(let ((form (read (current-buffer))))
(erase-buffer)
(pp form (current-buffer)))
(goto-char (point-min)))
(defun gnus-score-edit-exit ()
"Stop editing the score file."
(interactive)
(unless (file-exists-p (file-name-directory (buffer-file-name)))
(make-directory (file-name-directory (buffer-file-name)) t))
(save-buffer)
(bury-buffer (current-buffer))
(let ((buf (current-buffer)))
(when gnus-score-edit-exit-function
(funcall gnus-score-edit-exit-function))
(when (eq buf (current-buffer))
(switch-to-buffer (other-buffer (current-buffer))))))
(defun gnus-score-day-number (time)
(let ((dat (decode-time time)))
(timezone-absolute-from-gregorian
(nth 4 dat) (nth 3 dat) (nth 5 dat))))
(provide 'gnus-scomo)
;;; gnus-scomo.el ends here
;;; gnus-setup.el --- Initialization & Setup for Gnus 5
;; Copyright (C) 1995, 96 Free Software Foundation, Inc.
;; Author: Steven L. Baur <steve@miranova.com>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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:
;; My head is starting to spin with all the different mail/news packages.
;; Stop The Madness!
;; Given that Emacs Lisp byte codes may be diverging, it is probably best
;; not to byte compile this, and just arrange to have the .el loaded out
;; of .emacs.
;;; Code:
(defvar running-xemacs (string-match "XEmacs\\|Lucid" emacs-version))
(defvar gnus-emacs-lisp-directory (if running-xemacs
"/usr/local/lib/xemacs/"
"/usr/local/share/emacs/")
"Directory where Emacs site lisp is located.")