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/*
This file is part of GNUnet.
(C) 2001 - 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.
*/
/**
* @author Bartlomiej Polot
* @file mesh/mesh_protocol.h
*/
#ifndef MESH_PROTOCOL_H_
#define MESH_PROTOCOL_H_
#ifdef __cplusplus
extern "C"
{
#if 0
/* keep Emacsens' auto-indent happy */
}
#endif
#endif
/******************************************************************************/
/******************** MESH NETWORK MESSAGES **************************/
/******************************************************************************/
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message for mesh path management
*/
struct GNUNET_MESH_ManipulatePath
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_PATH_[CREATE|CHANGE|ADD|DEL]
*
* Size: sizeof(struct GNUNET_MESH_ManipulatePath) +
* path_length * sizeof (struct GNUNET_PeerIdentity)
*/
struct GNUNET_MessageHeader header;
/**
* Global id of the tunnel this path belongs to,
* unique in conjunction with the origin.
*/
uint32_t tid GNUNET_PACKED;
/**
* path_length structs defining the *whole* path from the origin [0] to the
* final destination [path_length-1].
*/
/* struct GNUNET_PeerIdentity peers[path_length]; */
};
/**
* Message for mesh data traffic to all tunnel targets.
*/
struct GNUNET_MESH_Multicast
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_MULTICAST
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* Number of hops to live
*/
uint32_t ttl GNUNET_PACKED;
/**
* Unique ID of the packet
*/
uint32_t mid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* Payload follows
*/
};
/**
* Message for mesh data traffic to a particular destination from origin.
*/
struct GNUNET_MESH_Unicast
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_UNICAST
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* Destination.
*/
struct GNUNET_PeerIdentity destination;
/**
* Payload follows
*/
};
/**
* Message for mesh data traffic from a tunnel participant to origin.
*/
struct GNUNET_MESH_ToOrigin
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_TO_ORIGIN
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* Sender of the message.
*/
struct GNUNET_PeerIdentity sender;
/**
* Payload follows
*/
};
/**
* Message for ack'ing a path
*/
struct GNUNET_MESH_PathACK
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_PATH_ACK
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* ID of the endpoint
*/
struct GNUNET_PeerIdentity peer_id;
/* TODO: signature */
};
/**
* Message for notifying a disconnection in a path
*/
struct GNUNET_MESH_PathBroken
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_PATH_BROKEN
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* ID of the endpoint
*/
struct GNUNET_PeerIdentity peer1;
/**
* ID of the endpoint
*/
struct GNUNET_PeerIdentity peer2;
/* TODO: signature */
};
/**
* Message to destroy a tunnel
*/
struct GNUNET_MESH_TunnelDestroy
{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_TUNNEL_DESTROY
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/* TODO: signature */
};
/**
* Message for mesh flow control
*/
struct GNUNET_MESH_SpeedNotify
{
/**
* Type: GNUNET_MESSAGE_TYPE_DATA_SPEED_NOTIFY
*/
struct GNUNET_MessageHeader header;
/**
* TID of the tunnel
*/
uint32_t tid GNUNET_PACKED;
/**
* OID of the tunnel
*/
struct GNUNET_PeerIdentity oid;
/**
* Slowest link down the path (above minimum speed requirement).
*/
uint32_t speed_min;
};
GNUNET_NETWORK_STRUCT_END
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
/* ifndef MES_PROTOCOL_H */
#endif
/* end of mesh_protocol.h */
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