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

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/*
* Copyright (c) 2006, 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: ruc.h,v 1.10 2007/11/27 23:32:34 adamdunkels Exp $
*/
/**
* \file
* Reliable unicast header file
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __RUC_H__
#define __RUC_H__
#include "net/rime/suc.h"
struct ruc_conn;
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struct ruc_callbacks {
void (* recv)(struct ruc_conn *c, rimeaddr_t *from, u8_t seqno);
void (* sent)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
void (* timedout)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
};
struct ruc_conn {
struct suc_conn c;
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const struct ruc_callbacks *u;
u8_t sndnxt;
u8_t rxmit;
u8_t max_rxmit;
};
void ruc_open(struct ruc_conn *c, u16_t channel,
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const struct ruc_callbacks *u);
void ruc_close(struct ruc_conn *c);
int ruc_send(struct ruc_conn *c, rimeaddr_t *receiver, u8_t max_retransmissions);
#endif /* __RUC_H__ */