1 files changed, 39 insertions, 0 deletions
diff --git a/src/knot/zone/backup_dir.h b/src/knot/zone/backup_dir.h
new file mode 100644
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--- /dev/null
+++ b/src/knot/zone/backup_dir.h
@@ -0,0 +1,39 @@
+/*  Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> 
+    This program 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 3 of the License, or
+    (at your option) any later version.
+
+    This program 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
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "knot/zone/backup.h"
+
+/*!
+ * Prepares the backup directory - verifies it exists and creates it for backup
+ * if it's needed. Verifies existence/non-existence of a lock file and a label file,
+ * in the backup mode it creates them, in the restore mode it sets ctx->backup_format.
+ *
+ * \param[in/out] ctx   Backup context.
+ *
+ * \return Error code, KNOT_EOK if successful.
+ */
+int backupdir_init(zone_backup_ctx_t *ctx);
+
+/*!
+ * If the backup has been successful, it creates the label file
+ * and removes the lock file. Do nothing in the restore mode.
+ *
+ * \param[in] ctx   Backup context.
+ *
+ * \return Error code, KNOT_EOK if successful.
+ */
+int backupdir_deinit(zone_backup_ctx_t *ctx);