diff options
Diffstat (limited to 'lisp/gnus/gnus-registry.el')
| -rw-r--r-- | lisp/gnus/gnus-registry.el | 107 |
1 files changed, 76 insertions, 31 deletions
diff --git a/lisp/gnus/gnus-registry.el b/lisp/gnus/gnus-registry.el index 7dab242425d..9cfca1290c5 100644 --- a/lisp/gnus/gnus-registry.el +++ b/lisp/gnus/gnus-registry.el @@ -176,6 +176,7 @@ nnmairix groups are specifically excluded because they are ephemeral." (make-obsolete-variable 'gnus-registry-max-track-groups nil "23.4") (make-obsolete-variable 'gnus-registry-entry-caching nil "23.4") (make-obsolete-variable 'gnus-registry-trim-articles-without-groups nil "23.4") +(make-obsolete-variable 'gnus-registry-max-pruned-entries nil "24.4") (defcustom gnus-registry-track-extra '(subject sender recipient) "Whether the registry should track extra data about a message. @@ -231,7 +232,7 @@ the Bit Bucket." (defcustom gnus-registry-cache-file (nnheader-concat (or gnus-dribble-directory gnus-home-directory "~/") - ".gnus.registry.eioio") + ".gnus.registry.eieio") "File where the Gnus registry will be stored." :group 'gnus-registry :type 'file) @@ -242,12 +243,38 @@ the Bit Bucket." :type '(radio (const :format "Unlimited " nil) (integer :format "Maximum number: %v"))) -(defcustom gnus-registry-max-pruned-entries nil - "Maximum number of pruned entries in the registry, nil for unlimited." - :version "24.1" +(defcustom gnus-registry-prune-factor 0.1 + "When pruning, try to prune back to this factor less than the maximum size. + +In order to prevent constant pruning, we prune back to a number +somewhat less than the maximum size. This option controls +exactly how much less. For example, given a maximum size of +50000 and a prune factor of 0.1, the pruning process will try to +cut the registry back to \(- 50000 \(* 50000 0.1\)\) -> 45000 +entries. The pruning process is constrained by the presence of +\"precious\" entries." + :version "24.4" :group 'gnus-registry - :type '(radio (const :format "Unlimited " nil) - (integer :format "Maximum number: %v"))) + :type 'float) + +(defcustom gnus-registry-default-sort-function + #'gnus-registry-sort-by-creation-time + "Sort function to use when pruning the registry. + +Entries which sort to the front of the list will be pruned +first. + +This can slow pruning down. Set to nil to perform no sorting." + :version "24.4" + :group 'gnus-registry + :type 'symbol) + +(defun gnus-registry-sort-by-creation-time (l r) + "Sort older entries to front of list." + ;; Pruning starts from the front of the list. + (time-less-p + (cadr (assq 'creation-time r)) + (cadr (assq 'creation-time l)))) (defun gnus-registry-fixup-registry (db) (when db @@ -255,14 +282,12 @@ the Bit Bucket." (oset db :precious (append gnus-registry-extra-entries-precious '())) - (oset db :max-hard + (oset db :max-size (or gnus-registry-max-entries most-positive-fixnum)) (oset db :prune-factor - 0.1) - (oset db :max-soft - (or gnus-registry-max-pruned-entries - most-positive-fixnum)) + (or gnus-registry-prune-factor + 0.1)) (oset db :tracked (append gnus-registry-track-extra '(mark group keyword))) @@ -278,8 +303,8 @@ the Bit Bucket." "Gnus Registry" :file (or file gnus-registry-cache-file) ;; these parameters are set in `gnus-registry-fixup-registry' - :max-hard most-positive-fixnum - :max-soft most-positive-fixnum + :max-size most-positive-fixnum + :version registry-db-version :precious nil :tracked nil))) @@ -295,22 +320,27 @@ This is not required after changing `gnus-registry-cache-file'." (gnus-message 4 "Remaking the Gnus registry") (setq gnus-registry-db (gnus-registry-make-db)))) -(defun gnus-registry-read () - "Read the registry cache file." +(defun gnus-registry-load () + "Load the registry from the cache file." (interactive) (let ((file gnus-registry-cache-file)) (condition-case nil - (progn - (gnus-message 5 "Reading Gnus registry from %s..." file) - (setq gnus-registry-db - (gnus-registry-fixup-registry - (condition-case nil - (with-no-warnings - (eieio-persistent-read file 'registry-db)) - ;; Older EIEIO versions do not check the class name. - ('wrong-number-of-arguments - (eieio-persistent-read file))))) - (gnus-message 5 "Reading Gnus registry from %s...done" file)) + (gnus-registry-read file) + (file-error + ;; Fix previous mis-naming of the registry file. + (let ((old-file-name + (concat (file-name-sans-extension + gnus-registry-cache-file) + ".eioio"))) + (if (and (file-exists-p old-file-name) + (yes-or-no-p + (format "Rename registry file from %s to %s? " + old-file-name file))) + (progn + (gnus-registry-read old-file-name) + (oset gnus-registry-db :file file) + (gnus-message 1 "Registry filename changed to %s" file)) + (gnus-registry-remake-db t)))) (error (gnus-message 1 @@ -318,6 +348,19 @@ This is not required after changing `gnus-registry-cache-file'." file) (gnus-registry-remake-db t))))) +(defun gnus-registry-read (file) + "Do the actual reading of the registry persistence file." + (gnus-message 5 "Reading Gnus registry from %s..." file) + (setq gnus-registry-db + (gnus-registry-fixup-registry + (condition-case nil + (with-no-warnings + (eieio-persistent-read file 'registry-db)) + ;; Older EIEIO versions do not check the class name. + ('wrong-number-of-arguments + (eieio-persistent-read file))))) + (gnus-message 5 "Reading Gnus registry from %s...done" file)) + (defun gnus-registry-save (&optional file db) "Save the registry cache file." (interactive) @@ -325,7 +368,8 @@ This is not required after changing `gnus-registry-cache-file'." (db (or db gnus-registry-db))) (gnus-message 5 "Saving Gnus registry (%d entries) to %s..." (registry-size db) file) - (registry-prune db) + (registry-prune + db gnus-registry-default-sort-function) ;; TODO: call (gnus-string-remove-all-properties v) on all elements? (eieio-persistent-save db file) (gnus-message 5 "Saving Gnus registry (size %d) to %s...done" @@ -1032,7 +1076,8 @@ only the last one's marks are returned." "Just like `registry-insert' but tries to prune on error." (when (registry-full db) (message "Trying to prune the registry because it's full") - (registry-prune db)) + (registry-prune + db gnus-registry-default-sort-function)) (registry-insert db id entry) entry) @@ -1090,7 +1135,7 @@ only the last one's marks are returned." (gnus-message 5 "Initializing the registry") (gnus-registry-install-hooks) (gnus-registry-install-shortcuts) - (gnus-registry-read)) + (gnus-registry-load)) ;; FIXME: Why autoload this function? ;;;###autoload @@ -1104,7 +1149,7 @@ only the last one's marks are returned." (add-hook 'nnmail-spool-hook 'gnus-registry-spool-action) (add-hook 'gnus-save-newsrc-hook 'gnus-registry-save) - (add-hook 'gnus-read-newsrc-el-hook 'gnus-registry-read) + (add-hook 'gnus-read-newsrc-el-hook 'gnus-registry-load) (add-hook 'gnus-summary-prepare-hook 'gnus-registry-register-message-ids)) @@ -1117,7 +1162,7 @@ only the last one's marks are returned." (remove-hook 'nnmail-spool-hook 'gnus-registry-spool-action) (remove-hook 'gnus-save-newsrc-hook 'gnus-registry-save) - (remove-hook 'gnus-read-newsrc-el-hook 'gnus-registry-read) + (remove-hook 'gnus-read-newsrc-el-hook 'gnus-registry-load) (remove-hook 'gnus-summary-prepare-hook 'gnus-registry-register-message-ids) (setq gnus-registry-enabled nil)) |