- (nntp-possibly-change-group nil server)
- (when (nntp-find-connection-buffer nntp-server-buffer)
- (catch 'done
- (save-excursion
- ;; Erase nntp-server-buffer before nntp-inhibit-erase.
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (set-buffer (nntp-find-connection-buffer nntp-server-buffer))
- ;; The first time this is run, this variable is `try'. So we
- ;; try.
- (when (eq nntp-server-list-active-group 'try)
- (nntp-try-list-active (car groups)))
- (erase-buffer)
- (let ((count 0)
- (received 0)
- (last-point (point-min))
- (nntp-inhibit-erase t)
- (buf (nntp-find-connection-buffer nntp-server-buffer))
- (command (if nntp-server-list-active-group
- "LIST ACTIVE" "GROUP")))
- (while groups
- ;; Timeout may have killed the buffer.
- (unless (gnus-buffer-live-p buf)
- (nnheader-report 'nntp "Connection to %s is closed." server)
- (throw 'done nil))
- ;; Send the command to the server.
- (nntp-send-command nil command (pop groups))
- (incf count)
- ;; Every 400 requests we have to read the stream in
- ;; order to avoid deadlocks.
- (when (or (null groups) ;All requests have been sent.
- (zerop (% count nntp-maximum-request)))
- (nntp-accept-response)
- (while (and (gnus-buffer-live-p buf)
- (progn
- ;; Search `blue moon' in this file for the
- ;; reason why set-buffer here.
- (set-buffer buf)
- (goto-char last-point)
- ;; Count replies.
- (while (re-search-forward "^[0-9]" nil t)
- (incf received))
- (setq last-point (point))
- (< received count)))
- (nntp-accept-response))))
-
- ;; Wait for the reply from the final command.
- (unless (gnus-buffer-live-p buf)
- (nnheader-report 'nntp "Connection to %s is closed." server)
- (throw 'done nil))
- (set-buffer buf)
- (goto-char (point-max))
- (re-search-backward "^[0-9]" nil t)
- (when (looking-at "^[23]")
- (while (and (gnus-buffer-live-p buf)
- (progn
- (set-buffer buf)
- (goto-char (point-max))
- (if (not nntp-server-list-active-group)
- (not (re-search-backward "\r?\n" (- (point) 3) t))
- (not (re-search-backward "^\\.\r?\n"
- (- (point) 4) t)))))
- (nntp-accept-response)))
-
- ;; Now all replies are received. We remove CRs.
- (unless (gnus-buffer-live-p buf)
- (nnheader-report 'nntp "Connection to %s is closed." server)
- (throw 'done nil))
- (set-buffer buf)
- (goto-char (point-min))
- (while (search-forward "\r" nil t)
- (replace-match "" t t))
-
- (if (not nntp-server-list-active-group)
- (progn
- (copy-to-buffer nntp-server-buffer (point-min) (point-max))
- 'group)
- ;; We have read active entries, so we just delete the
- ;; superfluous gunk.
- (goto-char (point-min))
- (while (re-search-forward "^[.2-5]" nil t)
- (delete-region (match-beginning 0)
- (progn (forward-line 1) (point))))
- (copy-to-buffer nntp-server-buffer (point-min) (point-max))
- 'active))))))
+ (nntp-with-open-group
+ nil server
+ (when (nntp-find-connection-buffer nntp-server-buffer)
+ (catch 'done
+ (save-excursion
+ ;; Erase nntp-server-buffer before nntp-inhibit-erase.
+ (nntp-erase-buffer nntp-server-buffer)
+ (set-buffer (nntp-find-connection-buffer nntp-server-buffer))
+ ;; The first time this is run, this variable is `try'. So we
+ ;; try.
+ (when (eq nntp-server-list-active-group 'try)
+ (nntp-try-list-active (car groups)))
+ (erase-buffer)
+ (let ((count 0)
+ (groups groups)
+ (received 0)
+ (last-point (point-min))
+ (nntp-inhibit-erase t)
+ (buf (nntp-find-connection-buffer nntp-server-buffer))
+ (command (if nntp-server-list-active-group
+ "LIST ACTIVE" "GROUP")))
+ (while groups
+ ;; Timeout may have killed the buffer.
+ (unless (gnus-buffer-live-p buf)
+ (nnheader-report 'nntp "Connection to %s is closed." server)
+ (throw 'done nil))
+ ;; Send the command to the server.
+ (nntp-send-command nil command (pop groups))
+ (incf count)
+ ;; Every 400 requests we have to read the stream in
+ ;; order to avoid deadlocks.
+ (when (or (null groups) ;All requests have been sent.
+ (zerop (% count nntp-maximum-request)))
+ (nntp-accept-response)
+ (while (and (gnus-buffer-live-p buf)
+ (progn
+ ;; Search `blue moon' in this file for the
+ ;; reason why set-buffer here.
+ (set-buffer buf)
+ (goto-char last-point)
+ ;; Count replies.
+ (while (re-search-forward "^[0-9]" nil t)
+ (incf received))
+ (setq last-point (point))
+ (< received count)))
+ (nntp-accept-response))))
+
+ ;; Wait for the reply from the final command.
+ (unless (gnus-buffer-live-p buf)
+ (nnheader-report 'nntp "Connection to %s is closed." server)
+ (throw 'done nil))
+ (set-buffer buf)
+ (goto-char (point-max))
+ (re-search-backward "^[0-9]" nil t)
+ (when (looking-at "^[23]")
+ (while (and (gnus-buffer-live-p buf)
+ (progn
+ (set-buffer buf)
+ (goto-char (point-max))
+ (if (not nntp-server-list-active-group)
+ (not (re-search-backward "\r?\n"
+ (- (point) 3) t))
+ (not (re-search-backward "^\\.\r?\n"
+ (- (point) 4) t)))))
+ (nntp-accept-response)))
+
+ ;; Now all replies are received. We remove CRs.
+ (unless (gnus-buffer-live-p buf)
+ (nnheader-report 'nntp "Connection to %s is closed." server)
+ (throw 'done nil))
+ (set-buffer buf)
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "" t t))
+
+ (if (not nntp-server-list-active-group)
+ (progn
+ (copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ 'group)
+ ;; We have read active entries, so we just delete the
+ ;; superfluous gunk.
+ (goto-char (point-min))
+ (while (re-search-forward "^[.2-5]" nil t)
+ (delete-region (match-beginning 0)
+ (progn (forward-line 1) (point))))
+ (copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ 'active)))))))