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- /*
- This file is part of GNUnet.
- (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
- /**
- * @file dht/gnunet-service-xdht_neighbours.h
- * @brief GNUnet DHT routing code
- * @author Supriti Singh
- */
- #ifndef GNUNET_SERVICE_XDHT_NEIGHBOURS_H
- #define GNUNET_SERVICE_XDHT_NEIGHBOURS_H
- #include "gnunet_util_lib.h"
- #include "gnunet_block_lib.h"
- #include "gnunet_dht_service.h"
- #if ENABLE_MALICIOUS
- /**
- * Set the ENABLE_MALICIOUS value to malicious.
- * @param malicious
- */
- int
- GDS_NEIGHBOURS_act_malicious (unsigned int malicious);
- #endif
- /**
- * Handle the put request from the client.
- * @param key Key for the content
- * @param block_type Type of the block
- * @param options Routing options
- * @param desired_replication_level Desired replication count
- * @param expiration_time When does the content expire
- * @param data Content to store
- * @param data_size Size of content @a data in bytes
- */
- void
- GDS_NEIGHBOURS_handle_put (const struct GNUNET_HashCode *key,
- enum GNUNET_BLOCK_Type block_type,
- enum GNUNET_DHT_RouteOption options,
- uint32_t desired_replication_level,
- struct GNUNET_TIME_Absolute expiration_time,
- const void *data, size_t data_size);
- /**
- * Handle the get request from the client file. If I am destination do
- * datacache put and return. Else find the target friend and forward message
- * to it.
- * @param key Key for the content
- * @param block_type Type of the block
- * @param options Routing options
- * @param desired_replication_level Desired replication count
- */
- void
- GDS_NEIGHBOURS_handle_get(const struct GNUNET_HashCode *key,
- enum GNUNET_BLOCK_Type block_type,
- enum GNUNET_DHT_RouteOption options,
- uint32_t desired_replication_level);
- /**
- * Send the get result to requesting client.
- * @param key Key of the requested data.
- * @param type Block type
- * @param target_peer Next peer to forward the message to.
- * @param source_peer Peer which has the data for the key.
- * @param put_path_length Number of peers in @a put_path
- * @param put_path Path taken to put the data at its stored location.
- * @param get_path_length Number of peers in @a get_path
- * @param get_path Path taken to reach to the location of the key.
- * @param expiration When will this result expire?
- * @param data Payload to store
- * @param data_size Size of the @a data
- */
- void
- GDS_NEIGHBOURS_send_get_result (const struct GNUNET_HashCode *key,
- enum GNUNET_BLOCK_Type type,
- const struct GNUNET_PeerIdentity *target_peer,
- const struct GNUNET_PeerIdentity *source_peer,
- unsigned int put_path_length,
- const struct GNUNET_PeerIdentity *put_path,
- unsigned int get_path_length,
- const struct GNUNET_PeerIdentity *get_path,
- struct GNUNET_TIME_Absolute expiration,
- const void *data, size_t data_size);
- /**
- * Construct a trail teardown message and forward it to target friend.
- * @param trail_id Unique identifier of the trail.
- * @param trail_direction Direction of trail.
- * @param target_friend Friend to get this message.
- */
- void
- GDS_NEIGHBOURS_send_trail_teardown (const struct GNUNET_HashCode *trail_id,
- unsigned int trail_direction,
- const struct GNUNET_PeerIdentity *peer);
- /**
- * Return friend corresponding to peer.
- * @param peer
- * @return Friend
- */
- struct FriendInfo *
- GDS_NEIGHBOURS_get_friend (struct GNUNET_PeerIdentity peer);
- /**
- * Initialize neighbours subsystem.
- *
- * @return #GNUNET_OK on success,
- * #GNUNET_SYSERR on error
- */
- int
- GDS_NEIGHBOURS_init (void);
- /**
- * Shutdown neighbours subsystem.
- */
- void
- GDS_NEIGHBOURS_done (void);
- /**
- * Get my identity
- *
- * @return my identity
- */
- struct GNUNET_PeerIdentity
- GDS_NEIGHBOURS_get_my_id (void);
- #endif
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