/** * \addtogroup rimebroadcast * @{ */ /* * 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. * */ /** * \file * Identified best-effort local area broadcast (broadcast) * \author * Adam Dunkels */ #include "contiki-net.h" #include static const struct packetbuf_attrlist attributes[] = { BROADCAST_ATTRIBUTES PACKETBUF_ATTR_LAST }; #define DEBUG 0 #if DEBUG #include #define PRINTF(...) printf(__VA_ARGS__) #else #define PRINTF(...) #endif /*---------------------------------------------------------------------------*/ static void recv_from_abc(struct abc_conn *bc) { linkaddr_t sender; struct broadcast_conn *c = (struct broadcast_conn *)bc; linkaddr_copy(&sender, packetbuf_addr(PACKETBUF_ADDR_SENDER)); PRINTF("%d.%d: broadcast: from %d.%d\n", linkaddr_node_addr.u8[0],linkaddr_node_addr.u8[1], sender.u8[0], sender.u8[1]); if(c->u->recv) { c->u->recv(c, &sender); } } /*---------------------------------------------------------------------------*/ static void sent_by_abc(struct abc_conn *bc, int status, int num_tx) { struct broadcast_conn *c = (struct broadcast_conn *)bc; PRINTF("%d.%d: sent to %d.%d status %d num_tx %d\n", linkaddr_node_addr.u8[0],linkaddr_node_addr.u8[1], packetbuf_addr(PACKETBUF_ADDR_SENDER)->u8[0], packetbuf_addr(PACKETBUF_ADDR_SENDER)->u8[1], status, num_tx); if(c->u->sent) { c->u->sent(c, status, num_tx); } } /*---------------------------------------------------------------------------*/ static const struct abc_callbacks broadcast = {recv_from_abc, sent_by_abc}; /*---------------------------------------------------------------------------*/ void broadcast_open(struct broadcast_conn *c, uint16_t channel, const struct broadcast_callbacks *u) { abc_open(&c->c, channel, &broadcast); c->u = u; channel_set_attributes(channel, attributes); } /*---------------------------------------------------------------------------*/ void broadcast_close(struct broadcast_conn *c) { abc_close(&c->c); } /*---------------------------------------------------------------------------*/ int broadcast_send(struct broadcast_conn *c) { PRINTF("%d.%d: broadcast_send\n", linkaddr_node_addr.u8[0],linkaddr_node_addr.u8[1]); packetbuf_set_addr(PACKETBUF_ADDR_SENDER, &linkaddr_node_addr); return abc_send(&c->c); } /*---------------------------------------------------------------------------*/ /** @} */