1 #ifndef GN_DNS_SERVICE_P_H
2 #define GN_DNS_SERVICE_P_H
4 #include "gnunet_common.h"
7 struct GNUNET_MessageHeader hdr;
10 * The IP-Address this query was originally sent to
12 unsigned orig_to:32 GNUNET_PACKED;
14 * The IP-Address this query was originally sent from
16 unsigned orig_from:32 GNUNET_PACKED;
18 * The UDP-Portthis query was originally sent from
20 unsigned src_port:16 GNUNET_PACKED;
22 unsigned char data[1]; /* The DNS-Packet */
25 struct query_packet_list {
26 struct query_packet_list* next GNUNET_PACKED;
27 struct query_packet_list* prev GNUNET_PACKED;
28 struct query_packet pkt;
31 enum GNUNET_DNS_ANSWER_Subtype {
33 * Answers of this type contain a dns-packet that just has to be transmitted
35 GNUNET_DNS_ANSWER_TYPE_IP,
38 * Answers of this type contain an incomplete dns-packet. The IP-Address
39 * is all 0s. The addroffset points to it.
41 GNUNET_DNS_ANSWER_TYPE_SERVICE
44 struct answer_packet {
45 struct GNUNET_MessageHeader hdr;
46 enum GNUNET_DNS_ANSWER_Subtype subtype GNUNET_PACKED;
48 unsigned from:32 GNUNET_PACKED;
49 unsigned to:32 GNUNET_PACKED;
50 unsigned dst_port:16 GNUNET_PACKED;
52 /* Only sensible when subtype == GNUNET_DNS_ANSWER_TYPE_SERVICE */
54 GNUNET_HashCode service_descriptor;
56 uint32_t service_type;
58 /* The offsett in octets from the beginning of the struct to the field
59 * in data where the IP-Address has to go. */
60 unsigned addroffset:16 GNUNET_PACKED;
62 unsigned char data[1];
65 struct answer_packet_list {
66 struct answer_packet_list* next GNUNET_PACKED;
67 struct answer_packet_list* prev GNUNET_PACKED;
68 struct answer_packet pkt;