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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
*/
void
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);
/**
* 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 (struct GNUNET_HashCode trail_id,
unsigned int trail_direction,
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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