1 ;;; gnus-int.el --- backend interface functions for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
30 (eval-when-compile (require 'cl))
36 (autoload 'gnus-agent-expire "gnus-agent")
37 (autoload 'gnus-agent-regenerate-group "gnus-agent")
38 (autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
40 (defcustom gnus-open-server-hook nil
41 "Hook called just before opening connection to the news server."
45 (defcustom gnus-server-unopen-status nil
46 "The default status if the server is not able to open.
47 If the server is covered by Gnus agent, the possible values are
48 `denied', set the server denied; `offline', set the server offline;
49 nil, ask user. If the server is not covered by Gnus agent, set the
53 :type '(choice (const :tag "Ask" nil)
54 (const :tag "Deny server" denied)
55 (const :tag "Unplug Agent" offline)))
57 (defvar gnus-internal-registry-spool-current-method nil
58 "The current method, for the registry.")
61 ;;; Server Communication
64 (defun gnus-start-news-server (&optional confirm)
65 "Open a method for getting news.
66 If CONFIRM is non-nil, the user will be asked for an NNTP server."
68 (if gnus-current-select-method
69 ;; Stream is already opened.
72 (unless gnus-nntp-service
73 (setq gnus-nntp-server nil))
75 ;; Read server name with completion.
76 (setq gnus-nntp-server
77 (completing-read "NNTP server: "
79 (cons (list gnus-nntp-server)
80 gnus-secondary-servers))
81 nil nil gnus-nntp-server)))
83 (when (and gnus-nntp-server
84 (stringp gnus-nntp-server)
85 (not (string= gnus-nntp-server "")))
86 (setq gnus-select-method
87 (cond ((or (string= gnus-nntp-server "")
88 (string= gnus-nntp-server "::"))
89 (list 'nnspool (system-name)))
90 ((string-match "^:" gnus-nntp-server)
91 (list 'nnmh gnus-nntp-server
93 (file-name-as-directory
95 (substring gnus-nntp-server 1) "~/")))
96 (list 'nnmh-get-new-mail nil)))
98 (list 'nntp gnus-nntp-server)))))
100 (setq how (car gnus-select-method))
104 (gnus-message 5 "Looking up local news spool..."))
107 (gnus-message 5 "Looking up mh spool..."))
110 (setq gnus-current-select-method gnus-select-method)
111 (gnus-run-hooks 'gnus-open-server-hook)
113 ;; Partially validate agent covered methods now that the
114 ;; gnus-select-method is known.
117 ;; NOTE: This is here for one purpose only. By validating
118 ;; the current select method, it converts the old 5.10.3,
119 ;; and earlier, format to the current format. That enables
120 ;; the agent code within gnus-open-server to function
122 (gnus-agent-read-servers-validate-native gnus-select-method))
125 ;; gnus-open-server-hook might have opened it
126 (gnus-server-opened gnus-select-method)
127 (gnus-open-server gnus-select-method)
131 "%s (%s) open error: '%s'. Continue? "
132 (car gnus-select-method) (cadr gnus-select-method)
133 (gnus-status-message gnus-select-method)))
134 (gnus-error 1 "Couldn't open server on %s"
135 (nth 1 gnus-select-method))))))
137 (defun gnus-check-group (group)
138 "Try to make sure that the server where GROUP exists is alive."
139 (let ((method (gnus-find-method-for-group group)))
140 (or (gnus-server-opened method)
141 (gnus-open-server method))))
143 (defun gnus-check-server (&optional method silent)
144 "Check whether the connection to METHOD is down.
145 If METHOD is nil, use `gnus-select-method'.
146 If it is down, start it up (again)."
147 (let ((method (or method gnus-select-method))
149 ;; Transform virtual server names into select methods.
150 (when (stringp method)
151 (setq method (gnus-server-to-method method)))
152 (if (gnus-server-opened method)
153 ;; The stream is already opened.
157 (gnus-message 5 "Opening %s server%s..." (car method)
158 (if (equal (nth 1 method) "") ""
159 (format " on %s" (nth 1 method)))))
160 (gnus-run-hooks 'gnus-open-server-hook)
163 (setq result (gnus-open-server method))
164 (quit (message "Quit gnus-check-server")
167 (gnus-message 5 "Opening %s server%s...%s" (car method)
168 (if (equal (nth 1 method) "") ""
169 (format " on %s" (nth 1 method)))
170 (if result "done" "failed")))))))
172 (defun gnus-get-function (method function &optional noerror)
173 "Return a function symbol based on METHOD and FUNCTION."
174 ;; Translate server names into methods.
176 (error "Attempted use of a nil select method"))
177 (when (stringp method)
178 (setq method (gnus-server-to-method method)))
179 ;; Check cache of constructed names.
180 (let* ((method-sym (if gnus-agent
181 (inline (gnus-agent-get-function method))
183 (method-fns (get method-sym 'gnus-method-functions))
184 (func (let ((method-fnlist-elt (assq function method-fns)))
185 (unless method-fnlist-elt
186 (setq method-fnlist-elt
188 (intern (format "%s-%s" method-sym function))))
189 (put method-sym 'gnus-method-functions
190 (cons method-fnlist-elt method-fns)))
191 (cdr method-fnlist-elt))))
192 ;; Maybe complain if there is no function.
193 (unless (fboundp func)
195 (error "Trying to require a method that doesn't exist"))
196 (require (car method))
197 (when (not (fboundp func))
200 (error "No such function: %s" func))))
205 ;;; Interface functions to the backends.
208 (defun gnus-open-server (gnus-command-method)
209 "Open a connection to GNUS-COMMAND-METHOD."
210 (when (stringp gnus-command-method)
211 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
212 (let ((elem (assoc gnus-command-method gnus-opened-servers)))
213 ;; If this method was previously denied, we just return nil.
214 (if (eq (nth 1 elem) 'denied)
216 (gnus-message 1 "Denied server")
219 (let* ((open-server-function (gnus-get-function gnus-command-method 'open-server))
222 (funcall open-server-function
223 (nth 1 gnus-command-method)
224 (nthcdr 2 gnus-command-method))
226 (gnus-message 1 (format
227 "Unable to open server due to: %s"
228 (error-message-string err)))
231 (gnus-message 1 "Quit trying to open server")
234 ;; If this hasn't been opened before, we add it to the list.
236 (setq elem (list gnus-command-method nil)
237 gnus-opened-servers (cons elem gnus-opened-servers)))
238 ;; Set the status of this server.
241 (if (eq open-server-function #'nnagent-open-server)
242 ;; The agent's backend has a "special" status
246 (gnus-agent-method-p gnus-command-method))
247 (cond (gnus-server-unopen-status
248 ;; Set the server's status to the unopen
249 ;; status. If that status is offline,
250 ;; recurse to open the agent's backend.
251 (setq open-offline (eq gnus-server-unopen-status 'offline))
252 gnus-server-unopen-status)
254 (format "Unable to open %s:%s, go offline? "
255 (car gnus-command-method)
256 (cadr gnus-command-method)))
257 (setq open-offline t)
260 ;; This agentized server was still denied
263 ;; This unagentized server must be denied
266 ;; NOTE: I MUST set the server's status to offline before this
267 ;; recursive call as this status will drive the
268 ;; gnus-get-function (called above) to return the agent's
271 ;; Recursively open this offline server to perform the
272 ;; open-server function of the agent's backend.
273 (let ((gnus-server-unopen-status 'denied))
274 ;; Bind gnus-server-unopen-status to avoid recursively
275 ;; prompting with "go offline?". This is only a concern
276 ;; when the agent's backend fails to open the server.
277 (gnus-open-server gnus-command-method))
280 (defun gnus-close-server (gnus-command-method)
281 "Close the connection to GNUS-COMMAND-METHOD."
282 (when (stringp gnus-command-method)
283 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
284 (funcall (gnus-get-function gnus-command-method 'close-server)
285 (nth 1 gnus-command-method)))
287 (defun gnus-request-list (gnus-command-method)
288 "Request the active file from GNUS-COMMAND-METHOD."
289 (when (stringp gnus-command-method)
290 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
291 (funcall (gnus-get-function gnus-command-method 'request-list)
292 (nth 1 gnus-command-method)))
294 (defun gnus-request-list-newsgroups (gnus-command-method)
295 "Request the newsgroups file from GNUS-COMMAND-METHOD."
296 (when (stringp gnus-command-method)
297 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
298 (funcall (gnus-get-function gnus-command-method 'request-list-newsgroups)
299 (nth 1 gnus-command-method)))
301 (defun gnus-request-newgroups (date gnus-command-method)
302 "Request all new groups since DATE from GNUS-COMMAND-METHOD."
303 (when (stringp gnus-command-method)
304 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
305 (let ((func (gnus-get-function gnus-command-method 'request-newgroups t)))
307 (funcall func date (nth 1 gnus-command-method)))))
309 (defun gnus-server-opened (gnus-command-method)
310 "Check whether a connection to GNUS-COMMAND-METHOD has been opened."
311 (unless (eq (gnus-server-status gnus-command-method)
313 (when (stringp gnus-command-method)
314 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
315 (funcall (inline (gnus-get-function gnus-command-method 'server-opened))
316 (nth 1 gnus-command-method))))
318 (defun gnus-status-message (gnus-command-method)
319 "Return the status message from GNUS-COMMAND-METHOD.
320 If GNUS-COMMAND-METHOD is a string, it is interpreted as a group
321 name. The method this group uses will be queried."
322 (let ((gnus-command-method
323 (if (stringp gnus-command-method)
324 (gnus-find-method-for-group gnus-command-method)
325 gnus-command-method)))
326 (funcall (gnus-get-function gnus-command-method 'status-message)
327 (nth 1 gnus-command-method))))
329 (defun gnus-request-regenerate (gnus-command-method)
330 "Request a data generation from GNUS-COMMAND-METHOD."
331 (when (stringp gnus-command-method)
332 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
333 (funcall (gnus-get-function gnus-command-method 'request-regenerate)
334 (nth 1 gnus-command-method)))
336 (defun gnus-request-compact-group (group)
337 (let* ((method (gnus-find-method-for-group group))
338 (gnus-command-method method)
340 (funcall (gnus-get-function gnus-command-method
341 'request-compact-group)
342 (gnus-group-real-name group)
343 (nth 1 gnus-command-method) t)))
346 (defun gnus-request-compact (gnus-command-method)
347 "Request groups compaction from GNUS-COMMAND-METHOD."
348 (when (stringp gnus-command-method)
349 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
350 (funcall (gnus-get-function gnus-command-method 'request-compact)
351 (nth 1 gnus-command-method)))
353 (defun gnus-request-group (group &optional dont-check gnus-command-method)
354 "Request GROUP. If DONT-CHECK, no information is required."
355 (let ((gnus-command-method
356 (or gnus-command-method (inline (gnus-find-method-for-group group)))))
357 (when (stringp gnus-command-method)
358 (setq gnus-command-method
359 (inline (gnus-server-to-method gnus-command-method))))
360 (funcall (inline (gnus-get-function gnus-command-method 'request-group))
361 (gnus-group-real-name group) (nth 1 gnus-command-method)
364 (defun gnus-list-active-group (group)
365 "Request active information on GROUP."
366 (let ((gnus-command-method (gnus-find-method-for-group group))
367 (func 'list-active-group))
368 (when (gnus-check-backend-function func group)
369 (funcall (gnus-get-function gnus-command-method func)
370 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
372 (defun gnus-request-group-description (group)
373 "Request a description of GROUP."
374 (let ((gnus-command-method (gnus-find-method-for-group group))
375 (func 'request-group-description))
376 (when (gnus-check-backend-function func group)
377 (funcall (gnus-get-function gnus-command-method func)
378 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
380 (defun gnus-request-group-articles (group)
381 "Request a list of existing articles in GROUP."
382 (let ((gnus-command-method (gnus-find-method-for-group group))
383 (func 'request-group-articles))
384 (when (gnus-check-backend-function func group)
385 (funcall (gnus-get-function gnus-command-method func)
386 (gnus-group-real-name group) (nth 1 gnus-command-method)))))
388 (defun gnus-close-group (group)
389 "Request the GROUP be closed."
390 (let ((gnus-command-method (inline (gnus-find-method-for-group group))))
391 (funcall (gnus-get-function gnus-command-method 'close-group)
392 (gnus-group-real-name group) (nth 1 gnus-command-method))))
394 (defun gnus-retrieve-headers (articles group &optional fetch-old)
395 "Request headers for ARTICLES in GROUP.
396 If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
397 (let ((gnus-command-method (gnus-find-method-for-group group)))
399 ((and gnus-use-cache (numberp (car articles)))
400 (gnus-cache-retrieve-headers articles group fetch-old))
401 ((and gnus-agent (gnus-online gnus-command-method)
402 (gnus-agent-method-p gnus-command-method))
403 (gnus-agent-retrieve-headers articles group fetch-old))
405 (funcall (gnus-get-function gnus-command-method 'retrieve-headers)
406 articles (gnus-group-real-name group)
407 (nth 1 gnus-command-method) fetch-old)))))
409 (defun gnus-retrieve-articles (articles group)
410 "Request ARTICLES in GROUP."
411 (let ((gnus-command-method (gnus-find-method-for-group group)))
412 (funcall (gnus-get-function gnus-command-method 'retrieve-articles)
413 articles (gnus-group-real-name group)
414 (nth 1 gnus-command-method))))
416 (defun gnus-retrieve-groups (groups gnus-command-method)
417 "Request active information on GROUPS from GNUS-COMMAND-METHOD."
418 (when (stringp gnus-command-method)
419 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
420 (funcall (gnus-get-function gnus-command-method 'retrieve-groups)
421 groups (nth 1 gnus-command-method)))
423 (defun gnus-request-type (group &optional article)
424 "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
425 (let ((gnus-command-method (gnus-find-method-for-group group)))
426 (if (not (gnus-check-backend-function
427 'request-type (car gnus-command-method)))
429 (funcall (gnus-get-function gnus-command-method 'request-type)
430 (gnus-group-real-name group) article))))
432 (defun gnus-request-set-mark (group action)
433 "Set marks on articles in the back end."
434 (let ((gnus-command-method (gnus-find-method-for-group group)))
435 (if (not (gnus-check-backend-function
436 'request-set-mark (car gnus-command-method)))
438 (funcall (gnus-get-function gnus-command-method 'request-set-mark)
439 (gnus-group-real-name group) action
440 (nth 1 gnus-command-method)))))
442 (defun gnus-request-update-mark (group article mark)
443 "Allow the back end to change the mark the user tries to put on an article."
444 (let ((gnus-command-method (gnus-find-method-for-group group)))
445 (if (not (gnus-check-backend-function
446 'request-update-mark (car gnus-command-method)))
448 (funcall (gnus-get-function gnus-command-method 'request-update-mark)
449 (gnus-group-real-name group) article mark))))
451 (defun gnus-request-article (article group &optional buffer)
452 "Request the ARTICLE in GROUP.
453 ARTICLE can either be an article number or an article Message-ID.
454 If BUFFER, insert the article in that group."
455 (let ((gnus-command-method (gnus-find-method-for-group group)))
456 (funcall (gnus-get-function gnus-command-method 'request-article)
457 article (gnus-group-real-name group)
458 (nth 1 gnus-command-method) buffer)))
460 (defun gnus-request-head (article group)
461 "Request the head of ARTICLE in GROUP."
462 (let* ((gnus-command-method (gnus-find-method-for-group group))
463 (head (gnus-get-function gnus-command-method 'request-head t))
469 (gnus-cache-request-article article group))
470 (setq res (cons group article)
472 ;; Check the agent cache.
473 ((gnus-agent-request-article article group)
474 (setq res (cons group article)
476 ;; Use `head' function.
478 (setq res (funcall head article (gnus-group-real-name group)
479 (nth 1 gnus-command-method))))
480 ;; Use `article' function.
482 (setq res (gnus-request-article article group)
486 (set-buffer nntp-server-buffer)
487 (goto-char (point-min))
488 (when (search-forward "\n\n" nil t)
489 (delete-region (1- (point)) (point-max)))
490 (nnheader-fold-continuation-lines)))
493 (defun gnus-request-body (article group)
494 "Request the body of ARTICLE in GROUP."
495 (let* ((gnus-command-method (gnus-find-method-for-group group))
496 (head (gnus-get-function gnus-command-method 'request-body t))
502 (gnus-cache-request-article article group))
503 (setq res (cons group article)
505 ;; Check the agent cache.
506 ((gnus-agent-request-article article group)
507 (setq res (cons group article)
509 ;; Use `head' function.
511 (setq res (funcall head article (gnus-group-real-name group)
512 (nth 1 gnus-command-method))))
513 ;; Use `article' function.
515 (setq res (gnus-request-article article group)
519 (set-buffer nntp-server-buffer)
520 (goto-char (point-min))
521 (when (search-forward "\n\n" nil t)
522 (delete-region (point-min) (1- (point))))))
525 (defun gnus-request-post (gnus-command-method)
526 "Post the current buffer using GNUS-COMMAND-METHOD."
527 (when (stringp gnus-command-method)
528 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
529 (funcall (gnus-get-function gnus-command-method 'request-post)
530 (nth 1 gnus-command-method)))
532 (defun gnus-request-scan (group gnus-command-method)
533 "Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
534 If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
535 (let ((gnus-command-method
536 (if group (gnus-find-method-for-group group) gnus-command-method))
537 (gnus-inhibit-demon t)
538 (mail-source-plugged gnus-plugged))
539 (when (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
540 (setq gnus-internal-registry-spool-current-method gnus-command-method)
541 (funcall (gnus-get-function gnus-command-method 'request-scan)
542 (and group (gnus-group-real-name group))
543 (nth 1 gnus-command-method)))))
545 (defsubst gnus-request-update-info (info gnus-command-method)
546 "Request that GNUS-COMMAND-METHOD update INFO."
547 (when (stringp gnus-command-method)
548 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
549 (when (gnus-check-backend-function
550 'request-update-info (car gnus-command-method))
551 (let ((group (gnus-info-group info)))
552 (and (funcall (gnus-get-function gnus-command-method
553 'request-update-info)
554 (gnus-group-real-name group)
555 info (nth 1 gnus-command-method))
556 ;; If the minimum article number is greater than 1, then all
557 ;; smaller article numbers are known not to exist; we'll
558 ;; artificially add those to the 'read range.
559 (let* ((active (gnus-active group))
562 (let* ((range (if (= min 2) 1 (cons 1 (1- min))))
563 (read (gnus-info-read info))
564 (new-read (gnus-range-add read (list range))))
565 (gnus-info-set-read info new-read)))
568 (defun gnus-request-expire-articles (articles group &optional force)
569 (let* ((gnus-command-method (gnus-find-method-for-group group))
572 (gnus-get-function gnus-command-method 'request-expire-articles)
573 articles (gnus-group-real-name group) (nth 1 gnus-command-method)
575 (when (and gnus-agent
576 (gnus-agent-method-p gnus-command-method))
577 (let ((expired-articles (gnus-sorted-difference articles not-deleted)))
578 (when expired-articles
579 (gnus-agent-expire expired-articles group 'force))))
582 (defun gnus-request-move-article (article group server accept-function
583 &optional last move-is-internal)
584 (let* ((gnus-command-method (gnus-find-method-for-group group))
585 (result (funcall (gnus-get-function gnus-command-method
586 'request-move-article)
587 article (gnus-group-real-name group)
588 (nth 1 gnus-command-method) accept-function last move-is-internal)))
589 (when (and result gnus-agent
590 (gnus-agent-method-p gnus-command-method))
591 (gnus-agent-unfetch-articles group (list article)))
594 (defun gnus-request-accept-article (group &optional gnus-command-method last
596 ;; Make sure there's a newline at the end of the article.
597 (when (stringp gnus-command-method)
598 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
599 (when (and (not gnus-command-method)
601 (setq gnus-command-method (or (gnus-find-method-for-group group)
602 (gnus-group-name-to-method group))))
603 (goto-char (point-max))
607 (let ((message-options message-options))
608 (message-options-set-recipient)
610 (message-narrow-to-head)
611 (let ((mail-parse-charset message-default-charset))
612 (mail-encode-encoded-word-buffer)))
613 (message-encode-message-body)))
614 (let ((gnus-command-method (or gnus-command-method
615 (gnus-find-method-for-group group)))
618 (gnus-get-function gnus-command-method 'request-accept-article)
619 (if (stringp group) (gnus-group-real-name group) group)
620 (cadr gnus-command-method)
622 (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
623 (gnus-agent-regenerate-group group (list (cdr result))))
626 (defun gnus-request-replace-article (article group buffer &optional no-encode)
628 (let ((message-options message-options))
629 (message-options-set-recipient)
631 (message-narrow-to-head)
632 (let ((mail-parse-charset message-default-charset))
633 (mail-encode-encoded-word-buffer)))
634 (message-encode-message-body)))
635 (let* ((func (car (gnus-group-name-to-method group)))
636 (result (funcall (intern (format "%s-request-replace-article" func))
637 article (gnus-group-real-name group) buffer)))
638 (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
639 (gnus-agent-regenerate-group group (list article)))
642 (defun gnus-request-associate-buffer (group)
643 (let ((gnus-command-method (gnus-find-method-for-group group)))
644 (funcall (gnus-get-function gnus-command-method 'request-associate-buffer)
645 (gnus-group-real-name group))))
647 (defun gnus-request-restore-buffer (article group)
648 "Request a new buffer restored to the state of ARTICLE."
649 (let ((gnus-command-method (gnus-find-method-for-group group)))
650 (funcall (gnus-get-function gnus-command-method 'request-restore-buffer)
651 article (gnus-group-real-name group)
652 (nth 1 gnus-command-method))))
654 (defun gnus-request-create-group (group &optional gnus-command-method args)
655 (when (stringp gnus-command-method)
656 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
657 (let ((gnus-command-method
658 (or gnus-command-method (gnus-find-method-for-group group))))
659 (funcall (gnus-get-function gnus-command-method 'request-create-group)
660 (gnus-group-real-name group) (nth 1 gnus-command-method) args)))
662 (defun gnus-request-delete-group (group &optional force)
663 (let* ((gnus-command-method (gnus-find-method-for-group group))
665 (funcall (gnus-get-function gnus-command-method 'request-delete-group)
666 (gnus-group-real-name group) force (nth 1 gnus-command-method))))
668 (gnus-cache-delete-group group)
669 (gnus-agent-delete-group group))
672 (defun gnus-request-rename-group (group new-name)
673 (let* ((gnus-command-method (gnus-find-method-for-group group))
675 (funcall (gnus-get-function gnus-command-method 'request-rename-group)
676 (gnus-group-real-name group)
677 (gnus-group-real-name new-name) (nth 1 gnus-command-method))))
679 (gnus-cache-rename-group group new-name)
680 (gnus-agent-rename-group group new-name))
683 (defun gnus-close-backends ()
684 ;; Send a close request to all backends that support such a request.
685 (let ((methods gnus-valid-select-methods)
686 (gnus-inhibit-demon t)
687 func gnus-command-method)
688 (while (setq gnus-command-method (pop methods))
689 (when (fboundp (setq func (intern
690 (concat (car gnus-command-method)
694 (defun gnus-asynchronous-p (gnus-command-method)
695 (let ((func (gnus-get-function gnus-command-method 'asynchronous-p t)))
699 (defun gnus-remove-denial (gnus-command-method)
700 (when (stringp gnus-command-method)
701 (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
702 (let* ((elem (assoc gnus-command-method gnus-opened-servers))
703 (status (cadr elem)))
704 ;; If this hasn't been opened before, we add it to the list.
705 (when (eq status 'denied)
706 ;; Set the status of this server.
707 (setcar (cdr elem) 'closed))))
711 ;;; arch-tag: bbc90087-9b7f-4017-a92c-3abf180ac86d
712 ;;; gnus-int.el ends here