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/*
This file is part of GNUnet
Copyright (C) 2012-2013 GNUnet e.V.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file rps/rps.h
* @brief example IPC messages between RPS API and GNS service
* @author Julius Bünger
*/
#include "gnunet_rps_service.h"
/**
* Mesh port used by RPS.
*/
#define GNUNET_RPS_CADET_PORT 31337
GNUNET_NETWORK_STRUCT_BEGIN
/***********************************************************************
* P2P Messages
***********************************************************************/
/**
* P2P Message to send PeerIDs to other peer.
*/
struct GNUNET_RPS_P2P_PullReplyMessage
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Number of PeerIDs sent
*/
uint32_t num_peers GNUNET_PACKED;
/* Followed by num_peers * GNUNET_PeerIdentity */
};
/***********************************************************************
* Client-Service Messages
***********************************************************************/
/**
* Message from client to RPS service to request random peer(s).
*/
struct GNUNET_RPS_CS_RequestMessage
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Identifyer of the message.
*/
uint32_t id GNUNET_PACKED;
/**
* Number of random peer requested
*/
uint32_t num_peers GNUNET_PACKED;
};
/**
* Message from RPS service to client to reply with random peer(s).
*/
struct GNUNET_RPS_CS_ReplyMessage
{
/**
* Type is #GNUNET_MESSAGE_TYPE_RPS_CS_REPLY.
*/
struct GNUNET_MessageHeader header;
/**
* Identifyer of the message.
*/
uint32_t id GNUNET_PACKED;
/**
* Number of random peer replied
*/
uint32_t num_peers GNUNET_PACKED;
/* Followed by num_peers * GNUNET_PeerIdentity */
};
/**
* Message from client to RPS service to cancel request.
*/
struct GNUNET_RPS_CS_RequestCancelMessage
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Identifyer of the message.
*/
uint32_t id GNUNET_PACKED;
};
/**
* Message from client to service with seed of peers.
*/
struct GNUNET_RPS_CS_SeedMessage
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Number of peers
*/
uint32_t num_peers GNUNET_PACKED;
/* Followed by num_peers * GNUNET_PeerIdentity */
};
#ifdef ENABLE_MALICIOUS
/**
* Message from client to service to turn service malicious.
*/
struct GNUNET_RPS_CS_ActMaliciousMessage
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* If the type is 2 this is the attacked peer,
* empty otherwise.
*/
struct GNUNET_PeerIdentity attacked_peer;
/**
* Type of malicious behaviour.
*
* 0 No malicious bahaviour at all
* 1 Try to maximise representation
* 2 Try to partition the network
*/
uint32_t type GNUNET_PACKED;
/**
* Number of peers
*/
uint32_t num_peers GNUNET_PACKED;
/* Followed by num_peers * GNUNET_PeerIdentity when the type of malicious
behaviour is 1 */
};
#endif /* ENABLE_MALICIOUS */
/* Debug messages */
/**
* Message from client to service indicating that
* clients wants to get updates of the view
*/
struct GNUNET_RPS_CS_DEBUG_ViewRequest
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Number of updates
* 0 for sending updates until cancellation
*/
uint32_t num_updates GNUNET_PACKED;
};
/**
* Message from service to client containing current update of view
*/
struct GNUNET_RPS_CS_DEBUG_ViewReply
{
/**
* Header including size and type in NBO
*/
struct GNUNET_MessageHeader header;
/**
* Identifyer of the message.
*/
uint32_t id GNUNET_PACKED;
/**
* Number of peers in the view
*/
uint64_t num_peers GNUNET_PACKED;
};
/* Followed by num_peers * GNUNET_PeerIdentity */
/***********************************************************************
* Defines from old gnunet-service-rps_peers.h
***********************************************************************/
/**
* Different flags indicating the status of another peer.
*/
enum Peers_PeerFlags
{
/**
* If we are waiting for a reply from that peer (sent a pull request).
*/
Peers_PULL_REPLY_PENDING = 0x01,
/* IN_OTHER_GOSSIP_LIST = 0x02, unneeded? */
/* IN_OWN_SAMPLER_LIST = 0x04, unneeded? */
/* IN_OWN_GOSSIP_LIST = 0x08, unneeded? */
/**
* We set this bit when we know the peer is online.
*/
Peers_ONLINE = 0x20,
/**
* We set this bit when we are going to destroy the channel to this peer.
* When cleanup_channel is called, we know that we wanted to destroy it.
* Otherwise the channel to the other peer was destroyed.
*/
Peers_TO_DESTROY = 0x40,
};
/**
* Keep track of the status of a channel.
*
* This is needed in order to know what to do with a channel when it's
* destroyed.
*/
enum Peers_ChannelFlags
{
/**
* We destroyed the channel because the other peer established a second one.
*/
Peers_CHANNEL_ESTABLISHED_TWICE = 0x1,
/**
* The channel was removed because it was not needed any more. This should be
* the sending channel.
*/
Peers_CHANNEL_CLEAN = 0x2,
/**
* We destroyed the channel because the other peer established a second one.
*/
Peers_CHANNEL_DESTROING = 0x4,
};
/**
* @brief The role of a channel. Sending or receiving.
*/
enum Peers_ChannelRole
{
/**
* Channel is used for sending
*/
Peers_CHANNEL_ROLE_SENDING = 0x01,
/**
* Channel is used for receiving
*/
Peers_CHANNEL_ROLE_RECEIVING = 0x02,
};
/**
* @brief Functions of this type can be used to be stored at a peer for later execution.
*
* @param cls closure
* @param peer peer to execute function on
*/
typedef void (* PeerOp) (void *cls, const struct GNUNET_PeerIdentity *peer);
/**
* @brief Iterator over valid peers.
*
* @param cls closure
* @param peer current public peer id
* @return #GNUNET_YES if we should continue to
* iterate,
* #GNUNET_NO if not.
*/
typedef int
(*PeersIterator) (void *cls,
const struct GNUNET_PeerIdentity *peer);
GNUNET_NETWORK_STRUCT_END
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