;;; gnus-int.el --- backend interface functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(require 'gnus-range)
(autoload 'gnus-agent-expire "gnus-agent")
+(autoload 'gnus-agent-regenerate-group "gnus-agent")
(autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
(defcustom gnus-open-server-hook nil
`denied', set the server denied; `offline', set the server offline;
nil, ask user. If the server is not covered by Gnus agent, set the
server denied."
+ :version "22.1"
:group 'gnus-start
:type '(choice (const :tag "Ask" nil)
(const :tag "Deny server" denied)
;; Read server name with completion.
(setq gnus-nntp-server
(completing-read "NNTP server: "
- (mapcar (lambda (server) (list server))
+ (mapcar 'list
(cons (list gnus-nntp-server)
gnus-secondary-servers))
nil nil gnus-nntp-server)))
(setq method (gnus-server-to-method method)))
;; Check cache of constructed names.
(let* ((method-sym (if gnus-agent
- (gnus-agent-get-function method)
+ (inline (gnus-agent-get-function method))
(car method)))
(method-fns (get method-sym 'gnus-method-functions))
(func (let ((method-fnlist-elt (assq function method-fns)))
(gnus-message 1 "Denied server")
nil)
;; Open the server.
- (let ((result
- (condition-case err
- (funcall (gnus-get-function gnus-command-method 'open-server)
- (nth 1 gnus-command-method)
- (nthcdr 2 gnus-command-method))
+ (let* ((open-server-function (gnus-get-function gnus-command-method 'open-server))
+ (result
+ (condition-case err
+ (funcall open-server-function
+ (nth 1 gnus-command-method)
+ (nthcdr 2 gnus-command-method))
(error
(gnus-message 1 (format
"Unable to open server due to: %s"
(error-message-string err)))
nil)
- (quit
- (gnus-message 1 "Quit trying to open server")
- nil))))
+ (quit
+ (gnus-message 1 "Quit trying to open server")
+ nil)))
+ open-offline)
;; If this hasn't been opened before, we add it to the list.
(unless elem
(setq elem (list gnus-command-method nil)
gnus-opened-servers (cons elem gnus-opened-servers)))
;; Set the status of this server.
- (setcar (cdr elem)
- (if result
- (if (eq (cadr elem) 'offline)
- 'offline
- 'ok)
- (if (and gnus-agent
- (not (eq (cadr elem) 'offline))
- (gnus-agent-method-p gnus-command-method))
- (or gnus-server-unopen-status
- (if (gnus-y-or-n-p
- (format "Unable to open %s:%s, go offline? "
- (car gnus-command-method)
- (cadr gnus-command-method)))
- 'offline
- 'denied))
- 'denied)))
- ;; Return the result from the "open" call.
- (cond ((eq (cadr elem) 'offline)
- ;; I'm avoiding infinite recursion by binding unopen
- ;; status to denied (The logic of this routine
- ;; guarantees that I can't get to this point with
- ;; unopen status already bound to denied).
- (unless (eq gnus-server-unopen-status 'denied)
- (let ((gnus-server-unopen-status 'denied))
- (gnus-open-server gnus-command-method)))
- t)
- (t
- result))))))
+ (setcar (cdr elem)
+ (cond (result
+ (if (eq open-server-function #'nnagent-open-server)
+ ;; The agent's backend has a "special" status
+ 'offline
+ 'ok))
+ ((and gnus-agent
+ (gnus-agent-method-p gnus-command-method))
+ (cond (gnus-server-unopen-status
+ ;; Set the server's status to the unopen
+ ;; status. If that status is offline,
+ ;; recurse to open the agent's backend.
+ (setq open-offline (eq gnus-server-unopen-status 'offline))
+ gnus-server-unopen-status)
+ ((and
+ (not gnus-batch-mode)
+ (gnus-y-or-n-p
+ (format "Unable to open %s:%s, go offline? "
+ (car gnus-command-method)
+ (cadr gnus-command-method))))
+ (setq open-offline t)
+ 'offline)
+ (t
+ ;; This agentized server was still denied
+ 'denied)))
+ (t
+ ;; This unagentized server must be denied
+ 'denied)))
+
+ ;; NOTE: I MUST set the server's status to offline before this
+ ;; recursive call as this status will drive the
+ ;; gnus-get-function (called above) to return the agent's
+ ;; backend.
+ (if open-offline
+ ;; Recursively open this offline server to perform the
+ ;; open-server function of the agent's backend.
+ (let ((gnus-server-unopen-status 'denied))
+ ;; Bind gnus-server-unopen-status to avoid recursively
+ ;; prompting with "go offline?". This is only a concern
+ ;; when the agent's backend fails to open the server.
+ (gnus-open-server gnus-command-method))
+ result)))))
(defun gnus-close-server (gnus-command-method)
"Close the connection to GNUS-COMMAND-METHOD."
(funcall (gnus-get-function gnus-command-method 'request-regenerate)
(nth 1 gnus-command-method)))
+(defun gnus-request-compact-group (group)
+ (let* ((method (gnus-find-method-for-group group))
+ (gnus-command-method method)
+ (result
+ (funcall (gnus-get-function gnus-command-method
+ 'request-compact-group)
+ (gnus-group-real-name group)
+ (nth 1 gnus-command-method) t)))
+ result))
+
+(defun gnus-request-compact (gnus-command-method)
+ "Request groups compaction from GNUS-COMMAND-METHOD."
+ (when (stringp gnus-command-method)
+ (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
+ (funcall (gnus-get-function gnus-command-method 'request-compact)
+ (nth 1 gnus-command-method)))
+
(defun gnus-request-group (group &optional dont-check gnus-command-method)
"Request GROUP. If DONT-CHECK, no information is required."
(let ((gnus-command-method
(when (stringp gnus-command-method)
(setq gnus-command-method
(inline (gnus-server-to-method gnus-command-method))))
- (funcall (inline (gnus-get-function gnus-command-method 'request-group))
+ (funcall (inline (gnus-get-function gnus-command-method 'request-group))
(gnus-group-real-name group) (nth 1 gnus-command-method)
dont-check)))
(if group (gnus-find-method-for-group group) gnus-command-method))
(gnus-inhibit-demon t)
(mail-source-plugged gnus-plugged))
- (if (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
- (progn
- (setq gnus-internal-registry-spool-current-method gnus-command-method)
- (funcall (gnus-get-function gnus-command-method 'request-scan)
- (and group (gnus-group-real-name group))
- (nth 1 gnus-command-method))))))
+ (when (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
+ (setq gnus-internal-registry-spool-current-method gnus-command-method)
+ (funcall (gnus-get-function gnus-command-method 'request-scan)
+ (and group (gnus-group-real-name group))
+ (nth 1 gnus-command-method)))))
(defsubst gnus-request-update-info (info gnus-command-method)
"Request that GNUS-COMMAND-METHOD update INFO."
not-deleted))
(defun gnus-request-move-article (article group server accept-function
- &optional last)
+ &optional last move-is-internal)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result (funcall (gnus-get-function gnus-command-method
'request-move-article)
article (gnus-group-real-name group)
- (nth 1 gnus-command-method) accept-function last)))
+ (nth 1 gnus-command-method) accept-function last move-is-internal)))
(when (and result gnus-agent
(gnus-agent-method-p gnus-command-method))
- (gnus-agent-expire (list article) group 'force))
+ (gnus-agent-unfetch-articles group (list article)))
result))
-
+
(defun gnus-request-accept-article (group &optional gnus-command-method last
no-encode)
;; Make sure there's a newline at the end of the article.
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(when (and (not gnus-command-method)
(stringp group))
- (setq gnus-command-method (gnus-group-name-to-method group)))
+ (setq gnus-command-method (or (gnus-find-method-for-group group)
+ (gnus-group-name-to-method group))))
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
(mail-encode-encoded-word-buffer)))
(message-encode-message-body)))
(let ((gnus-command-method (or gnus-command-method
- (gnus-find-method-for-group group))))
- (funcall (gnus-get-function gnus-command-method 'request-accept-article)
- (if (stringp group) (gnus-group-real-name group) group)
- (cadr gnus-command-method)
- last)))
+ (gnus-find-method-for-group group)))
+ (result
+ (funcall
+ (gnus-get-function gnus-command-method 'request-accept-article)
+ (if (stringp group) (gnus-group-real-name group) group)
+ (cadr gnus-command-method)
+ last)))
+ (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
+ (gnus-agent-regenerate-group group (list (cdr result))))
+ result))
(defun gnus-request-replace-article (article group buffer &optional no-encode)
(unless no-encode
(let ((mail-parse-charset message-default-charset))
(mail-encode-encoded-word-buffer)))
(message-encode-message-body)))
- (let ((func (car (gnus-group-name-to-method group))))
- (funcall (intern (format "%s-request-replace-article" func))
- article (gnus-group-real-name group) buffer)))
+ (let* ((func (car (gnus-group-name-to-method group)))
+ (result (funcall (intern (format "%s-request-replace-article" func))
+ article (gnus-group-real-name group) buffer)))
+ (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
+ (gnus-agent-regenerate-group group (list article)))
+ result))
(defun gnus-request-associate-buffer (group)
(let ((gnus-command-method (gnus-find-method-for-group group)))
(gnus-group-real-name group) (nth 1 gnus-command-method) args)))
(defun gnus-request-delete-group (group &optional force)
- (let ((gnus-command-method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function gnus-command-method 'request-delete-group)
- (gnus-group-real-name group) force (nth 1 gnus-command-method))))
+ (let* ((gnus-command-method (gnus-find-method-for-group group))
+ (result
+ (funcall (gnus-get-function gnus-command-method 'request-delete-group)
+ (gnus-group-real-name group) force (nth 1 gnus-command-method))))
+ (when result
+ (gnus-cache-delete-group group)
+ (gnus-agent-delete-group group))
+ result))
(defun gnus-request-rename-group (group new-name)
- (let ((gnus-command-method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function gnus-command-method 'request-rename-group)
- (gnus-group-real-name group)
- (gnus-group-real-name new-name) (nth 1 gnus-command-method))))
+ (let* ((gnus-command-method (gnus-find-method-for-group group))
+ (result
+ (funcall (gnus-get-function gnus-command-method 'request-rename-group)
+ (gnus-group-real-name group)
+ (gnus-group-real-name new-name) (nth 1 gnus-command-method))))
+ (when result
+ (gnus-cache-rename-group group new-name)
+ (gnus-agent-rename-group group new-name))
+ result))
(defun gnus-close-backends ()
;; Send a close request to all backends that support such a request.
(provide 'gnus-int)
+;;; arch-tag: bbc90087-9b7f-4017-a92c-3abf180ac86d
;;; gnus-int.el ends here