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/*
This file is part of GNUnet.
Copyright (C) 2013 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian Grothoff
* @file dv/dv.h
* @brief IPC messages between DV service and DV plugin
*/
#ifndef DV_H
#define DV_H
#include "gnunet_common.h"
GNUNET_NETWORK_STRUCT_BEGIN
/**
* DV service tells plugin about a DV-connection being
* now available.
*/
struct GNUNET_DV_ConnectMessage
{
/**
* Type: #GNUNET_MESSAGE_TYPE_DV_CONNECT
*/
struct GNUNET_MessageHeader header;
/**
* The distance to the peer that we are now connected to
*/
uint32_t distance GNUNET_PACKED;
/**
* The other peer (at the given distance).
*/
struct GNUNET_PeerIdentity peer;
/**
* The network the peer is in
*/
uint32_t network GNUNET_PACKED;
};
/**
* DV service tells plugin about a DV-connection being
* no longer available.
*
* Sender address is copied to the end of this struct,
* followed by the actual message received.
*/
struct GNUNET_DV_DisconnectMessage
{
/**
* Type: #GNUNET_MESSAGE_TYPE_DV_DISCONNECT
*/
struct GNUNET_MessageHeader header;
/**
* Always zero.
*/
uint32_t reserved GNUNET_PACKED;
/**
* The peer that is no longer available.
*/
struct GNUNET_PeerIdentity peer;
};
/**
* DV Message, contains a message that was received via DV for this
* peer. Send from the DV service to the DV plugin.
*
* Sender address is copied to the end of this struct,
* followed by the actual message received.
*/
struct GNUNET_DV_ReceivedMessage
{
/**
* Type: #GNUNET_MESSAGE_TYPE_DV_RECV
*/
struct GNUNET_MessageHeader header;
/**
* The distance to the peer that we received the message from
*/
uint32_t distance GNUNET_PACKED;
/**
* The (actual) sender of the message
*/
struct GNUNET_PeerIdentity sender;
/* payload follows */
};
/**
* Message from plugin to DV service, requesting a
* message to be routed.
*/
struct GNUNET_DV_SendMessage
{
/**
* Type: #GNUNET_MESSAGE_TYPE_DV_SEND
*/
struct GNUNET_MessageHeader header;
/**
* Reserved for alignment. 0.
*/
uint32_t reserved GNUNET_PACKED;
/**
* The (actual) target of the message
*/
struct GNUNET_PeerIdentity target;
};
/**
* Message from service to DV plugin, saying that our
* distance to another peer changed.
*/
struct GNUNET_DV_DistanceUpdateMessage
{
/**
* Type: #GNUNET_MESSAGE_TYPE_DV_DISTANCE_CHANGED.
*/
struct GNUNET_MessageHeader header;
/**
* What is the new distance?
*/
uint32_t distance GNUNET_PACKED;
/**
* The peer for which the distance changed.
*/
struct GNUNET_PeerIdentity peer;
/**
* The network the peer is in
*/
uint32_t network GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
#endif
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