94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/**
|
|
* \addtogroup rime
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup routediscovery Rime route discovery protocol
|
|
* @{
|
|
*
|
|
* The route-discovery module does route discovery for Rime.
|
|
*
|
|
* \section channels Channels
|
|
*
|
|
* The ibc module uses 2 channels; one for the flooded route request
|
|
* packets and one for the unicast route replies.
|
|
*
|
|
*/
|
|
/*
|
|
* 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: route-discovery.h,v 1.10 2009/11/08 19:40:18 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for the Rime mesh routing protocol
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#ifndef __ROUTE_DISCOVERY_H__
|
|
#define __ROUTE_DISCOVERY_H__
|
|
|
|
#include "net/rime/unicast.h"
|
|
#include "net/rime/netflood.h"
|
|
|
|
struct route_discovery_conn;
|
|
|
|
struct route_discovery_callbacks {
|
|
void (* new_route)(struct route_discovery_conn *c, const rimeaddr_t *to);
|
|
void (* timedout)(struct route_discovery_conn *c);
|
|
};
|
|
|
|
#define ROUTE_DISCOVERY_ENTRIES 8
|
|
|
|
struct route_discovery_conn {
|
|
struct netflood_conn rreqconn;
|
|
struct unicast_conn rrepconn;
|
|
struct ctimer t;
|
|
rimeaddr_t last_rreq_originator;
|
|
uint16_t last_rreq_id;
|
|
uint16_t rreq_id;
|
|
const struct route_discovery_callbacks *cb;
|
|
};
|
|
|
|
void route_discovery_open(struct route_discovery_conn *c, clock_time_t time,
|
|
uint16_t channels,
|
|
const struct route_discovery_callbacks *callbacks);
|
|
int route_discovery_discover(struct route_discovery_conn *c, const rimeaddr_t *dest,
|
|
clock_time_t timeout);
|
|
|
|
void route_discovery_close(struct route_discovery_conn *c);
|
|
|
|
#endif /* __ROUTE_DISCOVERY_H__ */
|
|
/** @} */
|
|
/** @} */
|