80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Header file for the reliable unicast bulk transfer module
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef RUCB_H_
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#define RUCB_H_
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#include "net/rime/runicast.h"
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struct rucb_conn;
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enum {
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RUCB_FLAG_NONE,
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RUCB_FLAG_NEWFILE,
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RUCB_FLAG_LASTCHUNK,
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};
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struct rucb_callbacks {
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void (* write_chunk)(struct rucb_conn *c, int offset, int flag,
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char *data, int len);
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int (* read_chunk)(struct rucb_conn *c, int offset, char *to,
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int maxsize);
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void (* timedout)(struct rucb_conn *c);
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};
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#define RUCB_DATASIZE 64
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struct rucb_conn {
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struct runicast_conn c;
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const struct rucb_callbacks *u;
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rimeaddr_t receiver, sender;
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uint16_t chunk;
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uint8_t last_seqno;
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int last_size;
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};
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void rucb_open(struct rucb_conn *c, uint16_t channel,
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const struct rucb_callbacks *u);
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void rucb_close(struct rucb_conn *c);
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int rucb_send(struct rucb_conn *c, const rimeaddr_t *receiver);
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#endif /* RUCB_H_ */
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