dovecot-2.2: lib-index: Added mail_transaction_log_view_set_all()

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/fead3400c379
changeset: 14579:fead3400c379
user:      Timo Sirainen <tss at iki.fi>
date:      Tue May 22 16:54:55 2012 +0300
description:
lib-index: Added mail_transaction_log_view_set_all()

diffstat:

 src/lib-index/mail-transaction-log-view.c |  42 +++++++++++++++++++++++++++++++
 src/lib-index/mail-transaction-log.h      |   3 ++
 2 files changed, 45 insertions(+), 0 deletions(-)

diffs (65 lines):

diff -r ad6aa4e042f5 -r fead3400c379 src/lib-index/mail-transaction-log-view.c
--- a/src/lib-index/mail-transaction-log-view.c	Tue May 22 16:54:43 2012 +0300
+++ b/src/lib-index/mail-transaction-log-view.c	Tue May 22 16:54:55 2012 +0300
@@ -280,6 +280,48 @@
 	return 1;
 }
 
+int mail_transaction_log_view_set_all(struct mail_transaction_log_view *view)
+{
+	struct mail_transaction_log_file *file, *first = view->log->files;
+
+	/* make sure .log.2 file is opened */
+	(void)mail_transaction_log_find_file(view->log, 1, FALSE, &file);
+
+	for (file = view->log->files; file != NULL; file = file->next) {
+		if (mail_transaction_log_file_map(file, file->hdr.hdr_size,
+						  (uoff_t)-1) < 0)
+			return -1;
+		if (file->hdr.prev_file_seq == 0) {
+			/* this file resets the index. skip the old ones. */
+			first = file;
+		}
+	}
+
+	mail_transaction_log_view_unref_all(view);
+	for (file = first; file != NULL; file = file->next) {
+		array_append(&view->file_refs, &file, 1);
+		file->refcount++;
+	}
+
+	view->tail = first;
+	view->cur = view->tail;
+	view->cur_offset = view->tail->hdr.hdr_size;
+
+	view->prev_file_seq = view->cur->hdr.file_seq;
+	view->prev_file_offset = view->cur_offset;
+
+	view->min_file_seq = view->cur->hdr.file_seq;
+	view->min_file_offset = view->cur_offset;
+	view->max_file_seq = view->head->hdr.file_seq;
+	view->max_file_offset = view->head->sync_offset;
+	view->broken = FALSE;
+
+	if (mail_transaction_log_file_get_highest_modseq_at(view->cur,
+				view->cur_offset, &view->prev_modseq) < 0)
+		return -1;
+	return 0;
+}
+
 void mail_transaction_log_view_clear(struct mail_transaction_log_view *view,
 				     uint32_t oldest_file_seq)
 {
diff -r ad6aa4e042f5 -r fead3400c379 src/lib-index/mail-transaction-log.h
--- a/src/lib-index/mail-transaction-log.h	Tue May 22 16:54:43 2012 +0300
+++ b/src/lib-index/mail-transaction-log.h	Tue May 22 16:54:55 2012 +0300
@@ -217,6 +217,9 @@
 				  uint32_t min_file_seq, uoff_t min_file_offset,
 				  uint32_t max_file_seq, uoff_t max_file_offset,
 				  bool *reset_r);
+/* Scan through all of the log files that we can find.
+   Returns -1 if error, 0 if ok. */
+int mail_transaction_log_view_set_all(struct mail_transaction_log_view *view);
 /* Clear the view. Keep oldest_file_seq and newer log files referenced so we
    don't get desynced. */
 void mail_transaction_log_view_clear(struct mail_transaction_log_view *view,