Basic DNS structures outlined.

refs #5

CuteDNS.files

@@ -54,3 +54,11 @@ src/server/tcp-handler.h
 src/server/udp-handler.c
 src/server/udp-handler-epoll.c
 src/server/tcp-handler.c
+src/dnslib/dname.h
+src/dnslib/dname.c
+src/dnslib/rrset.h
+src/dnslib/rrset.c
+src/dnslib/rdata.h
+src/dnslib/rdata.c
+src/dnslib/node.h
+src/dnslib/node.c

src/dnslib/dname.h

+#ifndef _CUTEDNS_DNAME_H
+#define _CUTEDNS_DNAME_H
+
+#include <stdint.h>
+#include "common.h"
+#include "node.h"
+
+struct dnslib_dname {
+	uint8_t *dname;
+	uint length;	// is this needed? every dname should end with \0 or pointer
+	dnslib_node_t *node;	// NULL if not in zone
+};
+
+typedef struct dname dnslib_dname_t;
+
+#endif /* _CUTEDNS_DNAME_H */

src/dnslib/node.h

+#ifndef _CUTEDNS_NODE_H
+#define _CUTEDNS_NODE_H
+
+#include "dname.h"
+#include "skip-list.h"
+
+struct dnslib_node {
+	dnslib_dname_t *owner;
+	struct dnslib_node *parent;
+	skip_list *rrsets;
+};
+
+typedef struct dnslib_node dnslib_node_t;
+
+#endif /* _CUTEDNS_NODE_H */

src/dnslib/rdata.h

+#ifndef _CUTEDNS_RDATA_H
+#define _CUTEDNS_RDATA_H
+
+#include <stdint.h>
+#include "dname.h"
+#include "common.h"
+
+union dnslib_rdata_item {
+	uint8_t *raw_data;	// will this be convenient enough? what about parsing?
+	dnslib_dname_t *dname;
+};
+
+typedef union dnslib_rdata_item dnslib_rdata_item_t;
+
+/*----------------------------------------------------------------------------*/
+
+struct dnslib_rdata {
+	dnslib_rdata_item_t *items;
+	uint *item_lengths;
+	uint item_count;
+};
+
+typedef struct dnslib_rdata dnslib_rdata_t;
+
+#endif /* _CUTEDNS_RDATA_H */

src/dnslib/rrset.h

+#ifndef _CUTEDNS_RRSET_H
+#define _CUTEDNS_RRSET_H
+
+#include <stdint.h>
+#include "dname.h"
+#include "rdata.h"
+#include "common.h"
+
+struct dnslib_rrset {
+	dnslib_dname_t *owner;
+	uint16_t type;
+	uint16_t rclass;
+	uint32_t ttl;
+	dnslib_rdata_t *rdata;
+	uint rdata_count;
+
+	// signatures
+	dnslib_rrset *rrsigs;
+	uint rrsig_first;
+	uint rrsig_count;
+};
+
+typedef struct dnslib_rrset dnslib_rrset_t;
+
+#endif /* _CUTEDNS_RRSET_H */