Setting ID and setting random ID to the packet.

- Random ID not implemented yet (merge required).

libknot/packet/packet.c

@@ -933,6 +933,24 @@ uint16_t knot_packet_id(const knot_packet_t *packet)
 
 /*----------------------------------------------------------------------------*/
 
+void knot_packet_set_id(knot_packet_t *packet, uint16_t id)
+{
+	if (packet == NULL) {
+		return KNOT_EBADARG;
+	}
+
+	packet->header.id = id;
+}
+
+/*----------------------------------------------------------------------------*/
+
+void knot_packet_set_random_id(knot_packet_t *packet)
+{
+	/*! \todo Implement. */
+}
+
+/*----------------------------------------------------------------------------*/
+
 uint8_t knot_packet_opcode(const knot_packet_t *packet)
 {
 	assert(packet != NULL);
@@ -1259,6 +1277,13 @@ int knot_packet_to_wire(knot_packet_t *packet,
 
 /*----------------------------------------------------------------------------*/
 
+const uint8_t *knot_packet_wireformat(const knot_packet_t *packet)
+{
+	return packet->wireformat;
+}
+
+/*----------------------------------------------------------------------------*/
+
 void knot_packet_free(knot_packet_t **packet)
 {
 	if (packet == NULL || *packet == NULL) {

libknot/packet/packet.h

@@ -303,6 +303,10 @@ int knot_packet_set_max_size(knot_packet_t *packet, int max_size);
 
 uint16_t knot_packet_id(const knot_packet_t *packet);
 
+void knot_packet_set_id(knot_packet_t *packet, uint16_t id);
+
+void knot_packet_set_random_id(knot_packet_t *packet);
+
 /*!
  * \brief Returns the OPCODE of the packet.
  *
@@ -480,6 +484,8 @@ int knot_packet_edns_to_wire(knot_packet_t *packet);
 int knot_packet_to_wire(knot_packet_t *packet, uint8_t **wire,
                           size_t *wire_size);
 
+const uint8_t *knot_packet_wireformat(const knot_packet_t *packet);
+
 /*!
  * \brief Properly destroys the packet structure.
  *