This file is indexed.

/usr/include/gnunet/gnunet_dv_service.h is in gnunet-dev 0.10.1-4.

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/*
     This file is part of GNUnet.
     (C) 2013 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 Christian Grothoff
 * @file include/gnunet_dv_service.h
 * @brief DV service API (should only be used by the DV plugin)
 */
#ifndef GNUNET_SERVICE_DV_H
#define GNUNET_SERVICE_DV_H

#include "gnunet_util_lib.h"
#include "gnunet_ats_service.h"

/**
 * Signature of a function to be called if DV
 * starts to be able to talk to a peer.
 *
 * @param cls closure
 * @param peer newly connected peer
 * @param distance distance to the peer
 * @param network the peer is located in
 */
typedef void (*GNUNET_DV_ConnectCallback)(void *cls,
					  const struct GNUNET_PeerIdentity *peer,
					  uint32_t distance,
                                          enum GNUNET_ATS_Network_Type network);


/**
 * Signature of a function to be called if DV
 * distance to a peer is changed.
 *
 * @param cls closure
 * @param peer connected peer
 * @param distance new distance to the peer
 * @param network this network will be used to reach the next hop
 */
typedef void (*GNUNET_DV_DistanceChangedCallback)(void *cls,
						  const struct GNUNET_PeerIdentity *peer,
						  uint32_t distance,
                                                  enum GNUNET_ATS_Network_Type network);


/**
 * Signature of a function to be called if DV
 * is no longer able to talk to a peer.
 *
 * @param cls closure
 * @param peer peer that disconnected
 */
typedef void (*GNUNET_DV_DisconnectCallback)(void *cls,
					     const struct GNUNET_PeerIdentity *peer);


/**
 * Signature of a function to be called if DV
 * receives a message for this peer.
 *
 * @param cls closure
 * @param sender sender of the message
 * @param distance how far did the message travel
 * @param msg actual message payload
 */
typedef void (*GNUNET_DV_MessageReceivedCallback)(void *cls,
						  const struct GNUNET_PeerIdentity *sender,
						  uint32_t distance,
						  const struct GNUNET_MessageHeader *msg);


/**
 * Signature of a function called once the delivery of a
 * message has been successful.
 *
 * @param cls closure
 * @param ok GNUNET_OK on success, GNUNET_SYSERR on error
 */
typedef void (*GNUNET_DV_MessageSentCallback)(void *cls,
					      int ok);


/**
 * Handle to the DV service.
 */
struct GNUNET_DV_ServiceHandle;


/**
 * Connect to the DV service.
 *
 * @param cfg configuration
 * @param cls closure for callbacks
 * @param connect_cb function to call on connects
 * @param distance_cb function to call if distances change
 * @param disconnect_cb function to call on disconnects
 * @param message_cb function to call if we receive messages
 * @return handle to access the service
 */
struct GNUNET_DV_ServiceHandle *
GNUNET_DV_service_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
			   void *cls,
			   GNUNET_DV_ConnectCallback connect_cb,
			   GNUNET_DV_DistanceChangedCallback distance_cb,
			   GNUNET_DV_DisconnectCallback disconnect_cb,
			   GNUNET_DV_MessageReceivedCallback message_cb);


/**
 * Disconnect from DV service.
 *
 * @param sh service handle
 */
void
GNUNET_DV_service_disconnect (struct GNUNET_DV_ServiceHandle *sh);


/**
 * Handle for a send operation.
 */
struct GNUNET_DV_TransmitHandle;


/**
 * Send a message via DV service.
 *
 * @param sh service handle
 * @param target intended recpient
 * @param msg message payload
 * @param cb function to invoke when done
 * @param cb_cls closure for 'cb'
 * @return handle to cancel the operation
 */
struct GNUNET_DV_TransmitHandle *
GNUNET_DV_send (struct GNUNET_DV_ServiceHandle *sh,
		const struct GNUNET_PeerIdentity *target,
		const struct GNUNET_MessageHeader *msg,
		GNUNET_DV_MessageSentCallback cb,
		void *cb_cls);


/**
 * Abort send operation (naturally, the message may have
 * already been transmitted; this only stops the 'cb'
 * from being called again).
 *
 * @param th send operation to cancel
 */
void
GNUNET_DV_send_cancel (struct GNUNET_DV_TransmitHandle *th);


#endif