;;; gnus-int.el --- backend interface functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
(eval-when-compile (require 'cl))
(require 'gnus)
+(require 'message)
+(require 'gnus-range)
+
+(eval-when-compile
+ (defun gnus-agent-expire (a b c)))
(defcustom gnus-open-server-hook nil
"Hook called just before opening connection to the news server."
:group 'gnus-start
:type 'hook)
-(defvar gnus-server-unopen-status nil
+(defcustom gnus-server-unopen-status nil
"The default status if the server is not able to open.
If the server is covered by Gnus agent, the possible values are
`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.")
+nil, ask user. If the server is not covered by Gnus agent, set the
+server denied."
+ :group 'gnus-start
+ :type '(choice (const :tag "Ask" nil)
+ (const :tag "Deny server" denied)
+ (const :tag "Unplug Agent" offline)))
+
+(defvar gnus-internal-registry-spool-current-method nil
+ "The current method, for the registry.")
;;;
;;; Server Communication
nil)
;; Open the server.
(let ((result
- (condition-case ()
+ (condition-case err
(funcall (gnus-get-function gnus-command-method 'open-server)
(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
- (message "Quit trying to open server")
+ (gnus-message 1 "Quit trying to open server")
nil))))
;; If this hasn't been opened before, we add it to the list.
(unless elem
(format "Unable to open %s:%s, go offline? "
(car gnus-command-method)
(cadr gnus-command-method)))
- 'offline
+ 'offline
'denied))
'denied)))
;; Return the result from the "open" call.
- (or (eq (cadr elem) 'offline)
- result)))))
+ (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))))))
(defun gnus-close-server (gnus-command-method)
"Close the connection to GNUS-COMMAND-METHOD."
(defun gnus-status-message (gnus-command-method)
"Return the status message from GNUS-COMMAND-METHOD.
-If GNUS-COMMAND-METHOD is a string, it is interpreted as a group name. The method
+If GNUS-COMMAND-METHOD is a string, it is interpreted as a group name. The method
this group uses will be queried."
(let ((gnus-command-method
(if (stringp gnus-command-method)
(cond
((and gnus-use-cache (numberp (car articles)))
(gnus-cache-retrieve-headers articles group fetch-old))
- ((and gnus-agent gnus-agent-cache (gnus-online gnus-command-method)
+ ((and gnus-agent (gnus-online gnus-command-method)
(gnus-agent-method-p gnus-command-method))
(gnus-agent-retrieve-headers articles group fetch-old))
(t
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
- ((and gnus-agent gnus-agent-cache gnus-plugged
- (numberp article)
- (gnus-agent-request-article article group))
+ ((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
- ((and gnus-agent gnus-agent-cache gnus-plugged
- (numberp article)
- (gnus-agent-request-article article group))
+ ((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
(gnus-inhibit-demon t)
(mail-source-plugged gnus-plugged))
(if (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
- (funcall (gnus-get-function gnus-command-method 'request-scan)
- (and group (gnus-group-real-name group))
- (nth 1 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))))))
(defsubst gnus-request-update-info (info gnus-command-method)
"Request that GNUS-COMMAND-METHOD update INFO."
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(when (gnus-check-backend-function
'request-update-info (car gnus-command-method))
- (funcall (gnus-get-function gnus-command-method 'request-update-info)
- (gnus-group-real-name (gnus-info-group info))
- info (nth 1 gnus-command-method))))
+ (let ((group (gnus-info-group info)))
+ (and (funcall (gnus-get-function gnus-command-method
+ 'request-update-info)
+ (gnus-group-real-name group)
+ info (nth 1 gnus-command-method))
+ ;; If the minimum article number is greater than 1, then all
+ ;; smaller article numbers are known not to exist; we'll
+ ;; artificially add those to the 'read range.
+ (let* ((active (gnus-active group))
+ (min (car active)))
+ (when (> min 1)
+ (let* ((range (if (= min 2) 1 (cons 1 (1- min))))
+ (read (gnus-info-read info))
+ (new-read (gnus-range-add read (list range))))
+ (gnus-info-set-read info new-read)))
+ info)))))
(defun gnus-request-expire-articles (articles group &optional force)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(gnus-get-function gnus-command-method 'request-expire-articles)
articles (gnus-group-real-name group) (nth 1 gnus-command-method)
force)))
- (when (and gnus-agent gnus-agent-cache
- (gnus-sorted-difference articles not-deleted))
- (gnus-agent-expire (gnus-sorted-difference articles not-deleted)
- group 'force))
+ (when (and gnus-agent
+ (gnus-agent-method-p gnus-command-method))
+ (let ((expired-articles (gnus-sorted-difference articles not-deleted)))
+ (when expired-articles
+ (gnus-agent-expire expired-articles group 'force))))
not-deleted))
-(defun gnus-request-move-article (article group server accept-function &optional last)
+(defun gnus-request-move-article (article group server accept-function
+ &optional last)
(let* ((gnus-command-method (gnus-find-method-for-group group))
- (result (funcall (gnus-get-function gnus-command-method 'request-move-article)
+ (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)))
- (when (and result gnus-agent gnus-agent-cache)
+ (when (and result gnus-agent
+ (gnus-agent-method-p gnus-command-method))
(gnus-agent-expire (list article) group 'force))
result))
projects / gnus / blobdiff