X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-int.el;h=835cb91c322b3373fddc66d56f8d3b121ef4dfd5;hb=49d38b41c190eaab2cb34294fac7302a9c9ea353;hp=abd5737ec7355e22ef1c2f0e2cf11656df5fa691;hpb=1f2b93a24df7b9914dbbc1a26a6e76c8da6511d1;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-int.el b/lisp/gnus-int.el index abd5737..835cb91 100644 --- a/lisp/gnus-int.el +++ b/lisp/gnus-int.el @@ -1,5 +1,5 @@ ;;; gnus-int.el --- backend interface functions for Gnus -;; Copyright (C) 1996, 1997, 1998, 1999, 2000 +;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 ;; Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen @@ -30,12 +30,31 @@ (eval-when-compile (require 'cl)) (require 'gnus) +(require 'message) +(require 'gnus-range) + +(eval-when-compile + (defun gnus-agent-expire (&optional a b c))) (defcustom gnus-open-server-hook nil "Hook called just before opening connection to the news server." :group 'gnus-start :type 'hook) +(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." + :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 ;;; @@ -111,7 +130,8 @@ If CONFIRM is non-nil, the user will be asked for an NNTP server." "Check whether the connection to METHOD is down. If METHOD is nil, use `gnus-select-method'. If it is down, start it up (again)." - (let ((method (or method gnus-select-method))) + (let ((method (or method gnus-select-method)) + result) ;; Transform virtual server names into select methods. (when (stringp method) (setq method (gnus-server-to-method method))) @@ -125,9 +145,15 @@ If it is down, start it up (again)." (format " on %s" (nth 1 method))))) (gnus-run-hooks 'gnus-open-server-hook) (prog1 - (gnus-open-server method) + (condition-case () + (setq result (gnus-open-server method)) + (quit (message "Quit gnus-check-server") + nil)) (unless silent - (message "")))))) + (gnus-message 5 "Opening %s server%s...%s" (car method) + (if (equal (nth 1 method) "") "" + (format " on %s" (nth 1 method))) + (if result "done" "failed"))))))) (defun gnus-get-function (method function &optional noerror) "Return a function symbol based on METHOD and FUNCTION." @@ -177,17 +203,51 @@ If it is down, start it up (again)." nil) ;; Open the server. (let ((result - (funcall (gnus-get-function gnus-command-method 'open-server) - (nth 1 gnus-command-method) - (nthcdr 2 gnus-command-method)))) + (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 + (gnus-message 1 "Quit trying to open server") + nil)))) ;; 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 'ok 'denied)) + (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. - 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." @@ -229,7 +289,7 @@ If it is down, start it up (again)." (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) @@ -290,48 +350,16 @@ this group uses will be queried." "Request headers for ARTICLES in GROUP. If FETCH-OLD, retrieve all headers (or some subset thereof) in the group." (let ((gnus-command-method (gnus-find-method-for-group group))) - (if (and gnus-use-cache (numberp (car articles))) - (gnus-cache-retrieve-headers articles group fetch-old) + (cond + ((and gnus-use-cache (numberp (car articles))) + (gnus-cache-retrieve-headers articles group fetch-old)) + ((and gnus-agent (gnus-online gnus-command-method) + (gnus-agent-method-p gnus-command-method)) + (gnus-agent-retrieve-headers articles group fetch-old)) + (t (funcall (gnus-get-function gnus-command-method 'retrieve-headers) articles (gnus-group-real-name group) - (nth 1 gnus-command-method) fetch-old)))) - -(defun gnus-retrieve-parsed-headers (articles group &optional fetch-old - dependencies force-new) - "Request parsed-headers for ARTICLES in GROUP. -If FETCH-OLD, retrieve all headers (or some subset thereof) in the group." - (unless dependencies - (setq dependencies - (save-excursion - (set-buffer gnus-summary-buffer) - gnus-newsgroup-dependencies))) - (let ((gnus-command-method (gnus-find-method-for-group group)) - headers) - (if (and gnus-use-cache (numberp (car articles))) - (setq headers - (gnus-cache-retrieve-parsed-headers articles group fetch-old - dependencies force-new)) - (let ((func (gnus-get-function gnus-command-method - 'retrieve-parsed-headers 'no-error))) - (if func - (setq headers (funcall func articles dependencies - (gnus-group-real-name group) - (nth 1 gnus-command-method) fetch-old - force-new) - gnus-headers-retrieved-by (car headers) - headers (cdr headers)) - (setq gnus-headers-retrieved-by - (funcall - (gnus-get-function gnus-command-method 'retrieve-headers) - articles (gnus-group-real-name group) - (nth 1 gnus-command-method) fetch-old)) - ))) - (or headers - (if (eq gnus-headers-retrieved-by 'nov) - (gnus-get-newsgroup-headers-xover - articles nil dependencies gnus-newsgroup-name t) - (gnus-get-newsgroup-headers dependencies))) - )) + (nth 1 gnus-command-method) fetch-old))))) (defun gnus-retrieve-articles (articles group) "Request ARTICLES in GROUP." @@ -396,6 +424,10 @@ If BUFFER, insert the article in that group." (gnus-cache-request-article article group)) (setq res (cons group article) clean-up t)) + ;; Check the agent cache. + ((gnus-agent-request-article article group) + (setq res (cons group article) + clean-up t)) ;; Use `head' function. ((fboundp head) (setq res (funcall head article (gnus-group-real-name group) @@ -425,6 +457,10 @@ If BUFFER, insert the article in that group." (gnus-cache-request-article article group)) (setq res (cons group article) clean-up t)) + ;; Check the agent cache. + ((gnus-agent-request-article article group) + (setq res (cons group article) + clean-up t)) ;; Use `head' function. ((fboundp head) (setq res (funcall head article (gnus-group-real-name group) @@ -456,9 +492,11 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (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." @@ -466,22 +504,48 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (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))) - (funcall (gnus-get-function gnus-command-method 'request-expire-articles) - articles (gnus-group-real-name group) (nth 1 gnus-command-method) - force))) - -(defun gnus-request-move-article - (article group server accept-function &optional last) - (let ((gnus-command-method (gnus-find-method-for-group group))) - (funcall (gnus-get-function gnus-command-method 'request-move-article) - article (gnus-group-real-name group) - (nth 1 gnus-command-method) accept-function last))) + (let* ((gnus-command-method (gnus-find-method-for-group group)) + (not-deleted + (funcall + (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-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) + (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))) + (when (and result gnus-agent + (gnus-agent-method-p gnus-command-method)) + (gnus-agent-expire (list article) group 'force)) + result)) (defun gnus-request-accept-article (group &optional gnus-command-method last no-encode) @@ -494,9 +558,9 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (goto-char (point-max)) (unless (bolp) (insert "\n")) - (let ((func (car (or gnus-command-method - (gnus-find-method-for-group group))))) - (funcall (intern (format "%s-request-accept-article" func)) + (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)))