2 This file is part of GNUnet.
3 Copyright (C) 2011 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
17 * @file dht/gnunet-service-dht_routing.h
18 * @brief GNUnet DHT tracking of requests for routing replies
19 * @author Christian Grothoff
21 #ifndef GNUNET_SERVICE_DHT_ROUTING_H
22 #define GNUNET_SERVICE_DHT_ROUTING_H
24 #include "gnunet_util_lib.h"
25 #include "gnunet_block_lib.h"
26 #include "gnunet_dht_service.h"
30 * Handle a reply (route to origin). Only forwards the reply back to
31 * other peers waiting for it. Does not do local caching or
32 * forwarding to local clients. Essentially calls
33 * #GDS_NEIGHBOURS_handle_reply() for all peers that sent us a matching
36 * @param type type of the block
37 * @param expiration_time when does the content expire
38 * @param key key for the content
39 * @param put_path_length number of entries in @a put_path
40 * @param put_path peers the original PUT traversed (if tracked)
41 * @param get_path_length number of entries in @a get_path
42 * @param get_path peers this reply has traversed so far (if tracked)
43 * @param data payload of the reply
44 * @param data_size number of bytes in @a data
47 GDS_ROUTING_process (enum GNUNET_BLOCK_Type type,
48 struct GNUNET_TIME_Absolute expiration_time,
49 const struct GNUNET_HashCode *key,
50 unsigned int put_path_length,
51 const struct GNUNET_PeerIdentity *put_path,
52 unsigned int get_path_length,
53 const struct GNUNET_PeerIdentity *get_path,
59 * Add a new entry to our routing table.
61 * @param sender peer that originated the request
62 * @param type type of the block
63 * @param bg block group to evaluate replies, henceforth owned by routing
64 * @param options options for processing
65 * @param key key for the content
66 * @param xquery extended query
67 * @param xquery_size number of bytes in @a xquery
70 GDS_ROUTING_add (const struct GNUNET_PeerIdentity *sender,
71 enum GNUNET_BLOCK_Type type,
72 struct GNUNET_BLOCK_Group *bg,
73 enum GNUNET_DHT_RouteOption options,
74 const struct GNUNET_HashCode * key,
80 * Initialize routing subsystem.
83 GDS_ROUTING_init (void);
87 * Shutdown routing subsystem.
90 GDS_ROUTING_done (void);