rawpacket-udp.c

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00001 c/*
00002  * Copyright (c) 2006, Swedish Institute of Computer Science.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  *
00031  * $Id: rawpacket-udp.c,v 1.4 2010/10/19 18:29:04 adamdunkels Exp $
00032  */
00033 
00034 /**
00035  * \file
00036  *         Implementation of the raw packet API with broadcast UDP packets
00037  * \author
00038  *         Adam Dunkels <adam@sics.se>
00039  */
00040 
00041 #include "contiki.h"
00042 #include "contiki-net.h"
00043 
00044 #include "net/rawpacket-udp.h"
00045 
00046 #define PORT 8096
00047 
00048 /*---------------------------------------------------------------------------*/
00049 void
00050 rawpacket_udp_init(void)
00051 {
00052 
00053 }
00054 /*---------------------------------------------------------------------------*/
00055 struct rawpacket_conn *
00056 rawpacket_setup(int id)
00057 {
00058   return (struct rawpacket_conn *)udp_broadcast_new(UIP_HTONS(PORT + id), NULL);
00059 }
00060 /*---------------------------------------------------------------------------*/
00061 void
00062 rawpacket_send(struct rawpacket_conn *c, char *data, int datalen)
00063 {
00064   uip_udp_packet_send((struct uip_udp_conn *)c, data, datalen);
00065 }
00066 /*---------------------------------------------------------------------------*/
00067 int
00068 rawpacket_received(struct rawpacket_conn *c)
00069 {
00070   return uip_newdata() && (struct uip_udp_conn *)c == uip_udp_conn;
00071 }
00072 /*---------------------------------------------------------------------------*/

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