/** * \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 1.9 2009/10/08 16:30:26 nvt-se 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, 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__ */ /** @} */ /** @} */