1 files changed, 94 insertions, 0 deletions
diff --git a/src/libknot/rrtype/soa.h b/src/libknot/rrtype/soa.h
new file mode 100644
index 0000000..9449f00
--- /dev/null
+++ b/src/libknot/rrtype/soa.h
@@ -0,0 +1,94 @@
+/*  Copyright (C) 2018 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/>.
+ */
+
+/*!
+ * \file
+ *
+ * \addtogroup rrtype
+ * @{
+ */
+
+#pragma once
+
+#include "libknot/dname.h"
+#include "libknot/rdata.h"
+#include "libknot/wire.h"
+
+static inline
+const knot_dname_t *knot_soa_primary(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return rdata->data;
+}
+
+static inline
+const knot_dname_t *knot_soa_mailbox(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return rdata->data + knot_dname_size(knot_soa_primary(rdata));
+}
+
+static inline
+size_t knot_soa_names_len(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_dname_size(knot_soa_primary(rdata)) +
+	       knot_dname_size(knot_soa_mailbox(rdata));
+}
+
+static inline
+uint32_t knot_soa_serial(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_wire_read_u32(rdata->data + knot_soa_names_len(rdata));
+}
+
+static inline
+void knot_soa_serial_set(knot_rdata_t *rdata, uint32_t serial)
+{
+	assert(rdata);
+	knot_wire_write_u32(rdata->data + knot_soa_names_len(rdata), serial);
+}
+
+static inline
+uint32_t knot_soa_refresh(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_wire_read_u32(rdata->data + knot_soa_names_len(rdata) + 4);
+}
+
+static inline
+uint32_t knot_soa_retry(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_wire_read_u32(rdata->data + knot_soa_names_len(rdata) + 8);
+}
+
+static inline
+uint32_t knot_soa_expire(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_wire_read_u32(rdata->data + knot_soa_names_len(rdata) + 12);
+}
+
+static inline
+uint32_t knot_soa_minimum(const knot_rdata_t *rdata)
+{
+	assert(rdata);
+	return knot_wire_read_u32(rdata->data + knot_soa_names_len(rdata) + 16);
+}
+
+/*! @} */