X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/70360d0cab4f5e9fa351cd131e45fa86401896c0..758845a0bd4920d46dbbbe6e4dcb46498cb25ef1:/lisp/gnus/gnus-int.el diff --git a/lisp/gnus/gnus-int.el b/lisp/gnus/gnus-int.el index faa2feb87c..395f47daf3 100644 --- a/lisp/gnus/gnus-int.el +++ b/lisp/gnus/gnus-int.el @@ -1,27 +1,25 @@ ;;; gnus-int.el --- backend interface functions for Gnus ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 -;; 2005, 2006, 2007 Free Software Foundation, Inc. +;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; Keywords: news ;; This file is part of GNU Emacs. -;; GNU Emacs is free software; you can redistribute it and/or modify +;; 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. +;; the Free Software Foundation, either version 3 of the License, 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 +;; 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., 51 Franklin Street, Fifth Floor, -;; Boston, MA 02110-1301, USA. +;; along with GNU Emacs. If not, see . ;;; Commentary: @@ -36,6 +34,7 @@ (autoload 'gnus-agent-expire "gnus-agent") (autoload 'gnus-agent-regenerate-group "gnus-agent") (autoload 'gnus-agent-read-servers-validate-native "gnus-agent") +(autoload 'gnus-agent-possibly-synchronize-flags-server "gnus-agent") (defcustom gnus-open-server-hook nil "Hook called just before opening connection to the news server." @@ -57,6 +56,27 @@ server denied." (defvar gnus-internal-registry-spool-current-method nil "The current method, for the registry.") + +(defun gnus-server-opened (gnus-command-method) + "Check whether a connection to GNUS-COMMAND-METHOD has been opened." + (unless (eq (gnus-server-status gnus-command-method) + 'denied) + (when (stringp gnus-command-method) + (setq gnus-command-method (gnus-server-to-method gnus-command-method))) + (funcall (inline (gnus-get-function gnus-command-method 'server-opened)) + (nth 1 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 this group uses will be queried." + (let ((gnus-command-method + (if (stringp gnus-command-method) + (gnus-find-method-for-group gnus-command-method) + gnus-command-method))) + (funcall (gnus-get-function gnus-command-method 'status-message) + (nth 1 gnus-command-method)))) + ;;; ;;; Server Communication ;;; @@ -75,7 +95,7 @@ If CONFIRM is non-nil, the user will be asked for an NNTP server." ;; 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))) @@ -159,10 +179,7 @@ If it is down, start it up (again)." (format " on %s" (nth 1 method))))) (gnus-run-hooks 'gnus-open-server-hook) (prog1 - (condition-case () - (setq result (gnus-open-server method)) - (quit (message "Quit gnus-check-server") - nil)) + (setq result (gnus-open-server method)) (unless silent (gnus-message 5 "Opening %s server%s...%s" (car method) (if (equal (nth 1 method) "") "" @@ -205,15 +222,28 @@ If it is down, start it up (again)." ;;; Interface functions to the backends. ;;; +(defun gnus-method-denied-p (method) + (eq (nth 1 (assoc method gnus-opened-servers)) + 'denied)) + +(defvar gnus-backend-trace t) + (defun gnus-open-server (gnus-command-method) "Open a connection to GNUS-COMMAND-METHOD." (when (stringp gnus-command-method) (setq gnus-command-method (gnus-server-to-method gnus-command-method))) - (let ((elem (assoc gnus-command-method gnus-opened-servers))) + (when gnus-backend-trace + (with-current-buffer (get-buffer-create "*gnus trace*") + (buffer-disable-undo) + (goto-char (point-max)) + (insert (format-time-string "%H:%M:%S") + (format " %S\n" gnus-command-method)))) + (let ((elem (assoc gnus-command-method gnus-opened-servers)) + (server (gnus-method-to-server-name gnus-command-method))) ;; If this method was previously denied, we just return nil. (if (eq (nth 1 elem) 'denied) (progn - (gnus-message 1 "Denied server") + (gnus-message 1 "Denied server %s" server) nil) ;; Open the server. (let* ((open-server-function (gnus-get-function gnus-command-method 'open-server)) @@ -223,12 +253,11 @@ If it is down, start it up (again)." (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))) + (gnus-message 1 "Unable to open server %s due to: %s" + server (error-message-string err)) nil) (quit - (gnus-message 1 "Quit trying to open server") + (gnus-message 1 "Quit trying to open server %s" server) nil))) open-offline) ;; If this hasn't been opened before, we add it to the list. @@ -253,9 +282,11 @@ If it is down, start it up (again)." ((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)))) + (format + "Unable to open server %s (%s), go offline? " + server + (nnheader-get-report + (car gnus-command-method))))) (setq open-offline t) 'offline) (t @@ -277,6 +308,11 @@ If it is down, start it up (again)." ;; 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)) + (when (and (eq (cadr elem) 'ok) gnus-agent + (gnus-agent-method-p gnus-command-method)) + (save-excursion + (gnus-agent-possibly-synchronize-flags-server + gnus-command-method))) result))))) (defun gnus-close-server (gnus-command-method) @@ -293,6 +329,22 @@ If it is down, start it up (again)." (funcall (gnus-get-function gnus-command-method 'request-list) (nth 1 gnus-command-method))) +(defun gnus-finish-retrieve-group-infos (gnus-command-method infos data) + "Read and update infos 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 'finish-retrieve-group-infos) + (nth 1 gnus-command-method) + infos data)) + +(defun gnus-retrieve-group-data-early (gnus-command-method infos) + "Start early async retrival of data 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 'retrieve-group-data-early) + (nth 1 gnus-command-method) + infos)) + (defun gnus-request-list-newsgroups (gnus-command-method) "Request the newsgroups file from GNUS-COMMAND-METHOD." (when (stringp gnus-command-method) @@ -308,26 +360,6 @@ If it is down, start it up (again)." (when func (funcall func date (nth 1 gnus-command-method))))) -(defun gnus-server-opened (gnus-command-method) - "Check whether a connection to GNUS-COMMAND-METHOD has been opened." - (unless (eq (gnus-server-status gnus-command-method) - 'denied) - (when (stringp gnus-command-method) - (setq gnus-command-method (gnus-server-to-method gnus-command-method))) - (funcall (inline (gnus-get-function gnus-command-method 'server-opened)) - (nth 1 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 this group uses will be queried." - (let ((gnus-command-method - (if (stringp gnus-command-method) - (gnus-find-method-for-group gnus-command-method) - gnus-command-method))) - (funcall (gnus-get-function gnus-command-method 'status-message) - (nth 1 gnus-command-method)))) - (defun gnus-request-regenerate (gnus-command-method) "Request a data generation from GNUS-COMMAND-METHOD." (when (stringp gnus-command-method) @@ -335,7 +367,24 @@ name. The method this group uses will be queried." (funcall (gnus-get-function gnus-command-method 'request-regenerate) (nth 1 gnus-command-method))) -(defun gnus-request-group (group &optional dont-check 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 info) "Request GROUP. If DONT-CHECK, no information is required." (let ((gnus-command-method (or gnus-command-method (inline (gnus-find-method-for-group group))))) @@ -344,7 +393,8 @@ name. The method this group uses will be queried." (inline (gnus-server-to-method gnus-command-method)))) (funcall (inline (gnus-get-function gnus-command-method 'request-group)) (gnus-group-real-name group) (nth 1 gnus-command-method) - dont-check))) + dont-check + info))) (defun gnus-list-active-group (group) "Request active information on GROUP." @@ -467,8 +517,7 @@ If BUFFER, insert the article in that group." (setq res (gnus-request-article article group) clean-up t))) (when clean-up - (save-excursion - (set-buffer nntp-server-buffer) + (with-current-buffer nntp-server-buffer (goto-char (point-min)) (when (search-forward "\n\n" nil t) (delete-region (1- (point)) (point-max))) @@ -500,8 +549,7 @@ If BUFFER, insert the article in that group." (setq res (gnus-request-article article group) clean-up t))) (when clean-up - (save-excursion - (set-buffer nntp-server-buffer) + (with-current-buffer nntp-server-buffer (goto-char (point-min)) (when (search-forward "\n\n" nil t) (delete-region (point-min) (1- (point)))))) @@ -514,6 +562,14 @@ If BUFFER, insert the article in that group." (funcall (gnus-get-function gnus-command-method 'request-post) (nth 1 gnus-command-method))) +(defun gnus-request-expunge-group (group gnus-command-method) + "Expunge GROUP, which is removing articles that have been marked as deleted." + (when (stringp gnus-command-method) + (setq gnus-command-method (gnus-server-to-method gnus-command-method))) + (funcall (gnus-get-function gnus-command-method 'request-expunge-group) + (gnus-group-real-name group) + (nth 1 gnus-command-method))) + (defun gnus-request-scan (group gnus-command-method) "Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD. If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." @@ -521,19 +577,28 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (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))))) + +(defun gnus-request-update-info (info gnus-command-method) + (when (gnus-check-backend-function + 'request-update-info (car 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-update-info) + (gnus-group-real-name (gnus-info-group info)) info + (nth 1 gnus-command-method)))) -(defsubst gnus-request-update-info (info gnus-command-method) +(defsubst gnus-request-marks (info gnus-command-method) "Request that GNUS-COMMAND-METHOD update INFO." (when (stringp gnus-command-method) (setq gnus-command-method (gnus-server-to-method gnus-command-method))) (when (gnus-check-backend-function - 'request-update-info (car gnus-command-method)) + 'request-marks (car gnus-command-method)) (let ((group (gnus-info-group info))) (and (funcall (gnus-get-function gnus-command-method 'request-update-info) @@ -553,6 +618,7 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (defun gnus-request-expire-articles (articles group &optional force) (let* ((gnus-command-method (gnus-find-method-for-group group)) + (gnus-inhibit-demon t) (not-deleted (funcall (gnus-get-function gnus-command-method 'request-expire-articles) @@ -566,12 +632,12 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." 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-unfetch-articles group (list article))) @@ -597,7 +663,7 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (let ((mail-parse-charset message-default-charset)) (mail-encode-encoded-word-buffer))) (message-encode-message-body))) -(let ((gnus-command-method (or gnus-command-method + (let ((gnus-command-method (or gnus-command-method (gnus-find-method-for-group group))) (result (funcall @@ -694,5 +760,4 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (provide 'gnus-int) -;;; arch-tag: bbc90087-9b7f-4017-a92c-3abf180ac86d ;;; gnus-int.el ends here