nes-proj/core/net/rawpacket-udp.c

74 lines
2.7 KiB
C
Raw Normal View History

/*
* 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.
*
* $Id: rawpacket-udp.c,v 1.2 2007/09/29 03:54:18 matsutsuka Exp $
*/
/**
* \file
* Implementation of the raw packet API with broadcast UDP packets
* \author
* Adam Dunkels <adam@sics.se>
*/
#if UIP_UDP
#include "contiki-net.h"
#include "net/rawpacket-udp.h"
#define PORT 8096
/*---------------------------------------------------------------------------*/
void
rawpacket_udp_init(void)
{
}
/*---------------------------------------------------------------------------*/
struct rawpacket_conn *
rawpacket_setup(int id)
{
return (struct rawpacket_conn *)udp_broadcast_new(HTONS(PORT + id), NULL);
}
/*---------------------------------------------------------------------------*/
void
rawpacket_send(struct rawpacket_conn *c, char *data, int datalen)
{
uip_udp_packet_send((struct uip_udp_conn *)c, data, datalen);
}
/*---------------------------------------------------------------------------*/
int
rawpacket_received(struct rawpacket_conn *c)
{
return uip_newdata() && (struct uip_udp_conn *)c == uip_udp_conn;
}
/*---------------------------------------------------------------------------*/
#endif /* UIP_UDP */