C++ (Cpp) mail_transaction_log_create Examples

Example #1

File: mail-transaction-log.c Project: via/dovecot-clouddb

static int
mail_transaction_log_refresh(struct mail_transaction_log *log, bool nfs_flush)
{
        struct mail_transaction_log_file *file;
	struct stat st;

	i_assert(log->head != NULL);

	if (MAIL_TRANSACTION_LOG_FILE_IN_MEMORY(log->head))
		return 0;

	if (nfs_flush && log->nfs_flush)
		nfs_flush_file_handle_cache(log->filepath);
	if (nfs_safe_stat(log->filepath, &st) < 0) {
		if (errno != ENOENT) {
			mail_index_file_set_syscall_error(log->index,
							  log->filepath,
							  "stat()");
			return -1;
		}
		/* see if the whole directory got deleted */
		if (nfs_safe_stat(log->index->dir, &st) < 0 &&
		    errno == ENOENT) {
			log->index->index_deleted = TRUE;
			return -1;
		}

		/* the file should always exist at this point. if it doesn't,
		   someone deleted it manually while the index was open. try to
		   handle this nicely by creating a new log file. */
		file = log->head;
		if (mail_transaction_log_create(log, FALSE) < 0)
			return -1;
		i_assert(file->refcount > 0);
		file->refcount--;
		log->index->need_recreate = TRUE;
		return 0;
	} else if (log->head->st_ino == st.st_ino &&
		   CMP_DEV_T(log->head->st_dev, st.st_dev)) {
		/* NFS: log files get rotated to .log.2 files instead
		   of being unlinked, so we don't bother checking if
		   the existing file has already been unlinked here
		   (in which case inodes could match but point to
		   different files) */
		return 0;
	}

	file = mail_transaction_log_file_alloc(log, log->filepath);
	if (mail_transaction_log_file_open(file, FALSE) <= 0) {
		mail_transaction_log_file_free(&file);
		return -1;
	}

	i_assert(!file->locked);

	if (--log->head->refcount == 0)
		mail_transaction_logs_clean(log);
	mail_transaction_log_set_head(log, file);
	return 0;
}

Example #2

File: mail-transaction-log.c Project: manuelm/dovecot

void mail_transaction_log_indexid_changed(struct mail_transaction_log *log)
{
	struct mail_transaction_log_file *file;

	mail_transaction_logs_clean(log);

	for (file = log->files; file != NULL; file = file->next) {
		if (file->hdr.indexid != log->index->indexid) {
			mail_transaction_log_file_set_corrupted(file,
				"indexid changed: %u -> %u",
				file->hdr.indexid, log->index->indexid);
		}
	}

	if (log->head != NULL &&
	    log->head->hdr.indexid != log->index->indexid) {
		if (--log->head->refcount == 0)
			mail_transaction_log_file_free(&log->head);
		(void)mail_transaction_log_create(log, FALSE);
	}
}