1 files changed, 67 insertions, 0 deletions
diff --git a/lib/resolve.c b/lib/resolve.c
new file mode 100644
index 00000000..da9c94d1
--- /dev/null
+++ b/lib/resolve.c
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <uv.h>
+
+#include <libknot/processing/requestor.h>
+#include "lib/resolve.h"
+#include "lib/layer/iterate.h"
+#include "lib/layer/static.h"
+
+/* TODO: temporary */
+#include <libknot/rrset-dump.h>
+
+int kresolve_resolve(struct kresolve_ctx* ctx, struct kresolve_result* result,
+                     const knot_dname_t *qname, uint16_t qclass, uint16_t qtype)
+{
+	/* TODO: how to load all the layers? no API support yet */
+	struct knot_requestor req;
+	memset(result, 0, sizeof(struct kresolve_result));
+	result->qname = qname;
+	result->qclass = qclass;
+	result->qtype = qtype;
+	result->rcode = KNOT_RCODE_SERVFAIL;
+
+	/* TODO: layer logic, where to? do one iteration step now */
+	struct layer_iterate_param param;
+	param.ctx = ctx;
+	param.result = result;
+	knot_requestor_init(&req, LAYER_ITERATE, ctx->mm);
+
+	/* TODO: read root hints. */
+	struct sockaddr_in root = uv_ip4_addr("198.41.0.4", 53);
+	result->ns.name = NULL;
+	memcpy(&result->ns.addr, &root, sizeof(root));
+
+	/* Resolve. */
+	ctx->state = NS_PROC_MORE;
+	struct timeval tv = { 5, 0 };
+	while (ctx->state == NS_PROC_MORE) {
+		printf("execing\n");
+		/* Create name resolution result structure and prepare first query. */
+		knot_pkt_t *query = knot_pkt_new(NULL, KNOT_WIRE_MIN_PKTSIZE, ctx->mm);
+		if (query == NULL) {
+			return -1;
+		}
+		knot_pkt_put_question(query, qname, qclass, qtype);
+		/* Check if the next address is valid. */
+		struct knot_request *tx = knot_requestor_make(&req, &result->ns.addr, NULL, query);
+		knot_requestor_enqueue(&req, tx, &param);
+		knot_requestor_exec(&req, &tv);
+		printf("exec'd\n");
+	}
+	knot_requestor_clear(&req);
+
+	char *qnamestr = knot_dname_to_str(qname);
+	char *cnamestr = knot_dname_to_str(result->cname);
+	printf("resolution of %s -> %s\n", qnamestr, cnamestr);
+	free(qnamestr); free(cnamestr);
+	printf("rcode = %d (%u RR)\n", result->rcode, result->count);
+	char strbuf[4096] = {0}; int buflen = sizeof(strbuf);
+	knot_dump_style_t style = {0};
+	for (unsigned i = 0; i < result->count; ++i) {
+		int r = knot_rrset_txt_dump(result->data[i], strbuf, buflen, &style);
+		if (r > 0) buflen -= r;
+	}
+	printf("%s\n", strbuf);
+
+	return 0;
+}