nes-proj/os/net/ipv6/multicast/uip-mcast6-stats.h

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/*
* Copyright (c) 2014, University of Bristol - http://www.bris.ac.uk
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
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* \addtogroup uip-multicast
* @{
*/
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/**
* \file
* Header file for IPv6 multicast forwarding stats maintenance
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*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
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*/
#ifndef UIP_MCAST6_STATS_H_
#define UIP_MCAST6_STATS_H_
/*---------------------------------------------------------------------------*/
#include "contiki.h"
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#include <stdint.h>
/*---------------------------------------------------------------------------*/
/* The platform can override the stats datatype */
#ifdef UIP_MCAST6_CONF_STATS_DATATYPE
#define UIP_MCAST6_STATS_DATATYPE UIP_MCAST6_CONF_STATS_DATATYPE
#else
#define UIP_MCAST6_STATS_DATATYPE uint16_t
#endif
/*---------------------------------------------------------------------------*/
#ifdef UIP_MCAST6_CONF_STATS
#define UIP_MCAST6_STATS UIP_MCAST6_CONF_STATS
#else
#define UIP_MCAST6_STATS 0
#endif
/*---------------------------------------------------------------------------*/
/* Stats datatype */
/*---------------------------------------------------------------------------*/
/**
* \brief A data structure used to maintain multicast stats
*
* Each engine can extend this structure via the engine_stats field
*/
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typedef struct uip_mcast6_stats {
/** Count of unique datagrams received */
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UIP_MCAST6_STATS_DATATYPE mcast_in_unique;
/** Count of all datagrams received */
UIP_MCAST6_STATS_DATATYPE mcast_in_all;
/** Count of datagrams received for a group that we have joined */
UIP_MCAST6_STATS_DATATYPE mcast_in_ours;
/** Count of datagrams forwarded by us but we are not the seed */
UIP_MCAST6_STATS_DATATYPE mcast_fwd;
/** Count of multicast datagrams originated by us */
UIP_MCAST6_STATS_DATATYPE mcast_out;
/** Count of malformed multicast datagrams seen by us */
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UIP_MCAST6_STATS_DATATYPE mcast_bad;
/** Count of multicast datagrams correclty formed but dropped by us */
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UIP_MCAST6_STATS_DATATYPE mcast_dropped;
/** Opaque pointer to an engine's additional stats */
void *engine_stats;
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} uip_mcast6_stats_t;
/*---------------------------------------------------------------------------*/
/* Access macros */
/*---------------------------------------------------------------------------*/
#if UIP_MCAST6_STATS
/* Don't access this variable directly, use the macros below */
extern uip_mcast6_stats_t uip_mcast6_stats;
#define UIP_MCAST6_STATS_ADD(x) uip_mcast6_stats.x++
#define UIP_MCAST6_STATS_GET(x) uip_mcast6_stats.x
#define UIP_MCAST6_STATS_INIT(s) uip_mcast6_stats_init(s)
#else /* UIP_MCAST6_STATS */
#define UIP_MCAST6_STATS_ADD(x)
#define UIP_MCAST6_STATS_GET(x) 0
#define UIP_MCAST6_STATS_INIT(s)
#endif /* UIP_MCAST6_STATS */
/*---------------------------------------------------------------------------*/
/**
* \brief Initialise multicast stats
* \param stats A pointer to a struct holding an engine's additional statistics
*/
void uip_mcast6_stats_init(void *stats);
/*---------------------------------------------------------------------------*/
#endif /* UIP_MCAST6_STATS_H_ */
/*---------------------------------------------------------------------------*/
/** @} */