osd-contiki/core/net/rime/collect.h

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/**
* \addtogroup rime
* @{
*/
/**
* \defgroup rimecollect Tree-based hop-by-hop reliable data collection
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* @{
*
* The collect module implements a hop-by-hop reliable data collection
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* mechanism.
*
* \section channels Channels
*
* The collect module uses 2 channels; one for neighbor discovery and one
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* for data packets.
*
*/
/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
* $Id: collect.h,v 1.5 2008/06/26 11:38:59 nifi Exp $
*/
/**
* \file
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* Header file for hop-by-hop reliable data collection
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __COLLECT_H__
#define __COLLECT_H__
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#include "net/rime/ipolite.h"
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#include "net/rime/ruc.h"
#include "net/rime/neighbor-discovery.h"
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struct collect_callbacks {
void (* recv)(rimeaddr_t *originator, uint8_t seqno,
uint8_t hops);
};
struct collect_conn {
struct neighbor_discovery_conn neighbor_discovery_conn;
struct ruc_conn ruc_conn;
const struct collect_callbacks *cb;
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struct ctimer t;
uint16_t rtmetric;
uint8_t forwarding;
uint8_t seqno;
};
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void collect_open(struct collect_conn *c, uint16_t channels,
const struct collect_callbacks *callbacks);
void collect_close(struct collect_conn *c);
int collect_send(struct collect_conn *c, int rexmits);
void collect_set_sink(struct collect_conn *c, int should_be_sink);
int collect_depth(struct collect_conn *c);
#define COLLECT_MAX_DEPTH 255
#endif /* __COLLECT_H__ */
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/** @} */
/** @} */