mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-18 12:05:11 +00:00
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for the multi-hop reliable bulk data transfer mechanism
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
/**
|
|
* \addtogroup rime
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup rudolph1 Multi-hop reliable bulk data transfer (rudolph1)
|
|
* @{
|
|
*
|
|
* The rudolph1 module implements a multi-hop reliable bulk data
|
|
* transfer mechanism.
|
|
*
|
|
* \section rudolph1-channels Channels
|
|
*
|
|
* The rudolph1 module uses 2 channels; one for data transmissions and
|
|
* one for NACKs and repair packets.
|
|
*
|
|
*/
|
|
|
|
#ifndef RUDOLPH1_H_
|
|
#define RUDOLPH1_H_
|
|
|
|
#include "net/rime/trickle.h"
|
|
#include "net/rime/ipolite.h"
|
|
#include "sys/ctimer.h"
|
|
|
|
struct rudolph1_conn;
|
|
|
|
enum {
|
|
RUDOLPH1_FLAG_NONE,
|
|
RUDOLPH1_FLAG_NEWFILE,
|
|
RUDOLPH1_FLAG_LASTCHUNK,
|
|
};
|
|
|
|
struct rudolph1_callbacks {
|
|
void (* write_chunk)(struct rudolph1_conn *c, int offset, int flag,
|
|
uint8_t *data, int len);
|
|
int (* read_chunk)(struct rudolph1_conn *c, int offset, uint8_t *to,
|
|
int maxsize);
|
|
};
|
|
|
|
struct rudolph1_conn {
|
|
struct trickle_conn trickle;
|
|
struct ipolite_conn ipolite;
|
|
const struct rudolph1_callbacks *cb;
|
|
struct ctimer t;
|
|
clock_time_t send_interval;
|
|
uint16_t chunk, highest_chunk_heard;
|
|
uint8_t version;
|
|
/* uint8_t trickle_interval;*/
|
|
uint8_t nacks;
|
|
};
|
|
|
|
void rudolph1_open(struct rudolph1_conn *c, uint16_t channel,
|
|
const struct rudolph1_callbacks *cb);
|
|
void rudolph1_close(struct rudolph1_conn *c);
|
|
void rudolph1_send(struct rudolph1_conn *c, clock_time_t send_interval);
|
|
void rudolph1_stop(struct rudolph1_conn *c);
|
|
|
|
#endif /* RUDOLPH1_H_ */
|
|
/** @} */
|
|
/** @} */
|