From 35395c10e020813447074e0b350680f336048207 Mon Sep 17 00:00:00 2001 From: adamdunkels Date: Sun, 22 Oct 2006 12:31:46 +0000 Subject: [PATCH] Added *experimental* module for sending raw (non-routed) packets from Contiki. The name of the module is likely to change. --- core/net/rawpacket-udp.c | 71 ++++++++++++++++++++++++++++++++++++++++ core/net/rawpacket-udp.h | 48 +++++++++++++++++++++++++++ core/net/rawpacket.h | 50 ++++++++++++++++++++++++++++ 3 files changed, 169 insertions(+) create mode 100644 core/net/rawpacket-udp.c create mode 100644 core/net/rawpacket-udp.h create mode 100644 core/net/rawpacket.h diff --git a/core/net/rawpacket-udp.c b/core/net/rawpacket-udp.c new file mode 100644 index 000000000..26d1bb5b7 --- /dev/null +++ b/core/net/rawpacket-udp.c @@ -0,0 +1,71 @@ +/* + * 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 1.1 2006/10/22 12:31:46 adamdunkels Exp $ + */ + +/** + * \file + * Implementation of the raw packet API with broadcast UDP packets + * \author + * Adam Dunkels + */ + +#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; +} +/*---------------------------------------------------------------------------*/ diff --git a/core/net/rawpacket-udp.h b/core/net/rawpacket-udp.h new file mode 100644 index 000000000..6d3a39402 --- /dev/null +++ b/core/net/rawpacket-udp.h @@ -0,0 +1,48 @@ +/* + * 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.h,v 1.1 2006/10/22 12:31:46 adamdunkels Exp $ + */ + +/** + * \file + * A brief description of what this file is. + * \author + * Adam Dunkels + */ + +#ifndef __RAWPACKET_UDP_H__ +#define __RAWPACKET_UDP_H__ + +#include "net/rawpacket.h" + +void rawpacket_udp_init(void); + +#endif /* __RAWPACKET_UDP_H__ */ diff --git a/core/net/rawpacket.h b/core/net/rawpacket.h new file mode 100644 index 000000000..1d9d06c21 --- /dev/null +++ b/core/net/rawpacket.h @@ -0,0 +1,50 @@ +/* + * 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.h,v 1.1 2006/10/22 12:31:46 adamdunkels Exp $ + */ + +/** + * \file + * Header file for the Contiki raw packet API interface + * \author + * Adam Dunkels + */ + +#ifndef __RAWPACKET_H__ +#define __RAWPACKET_H__ + +struct rawpacket_conn; + +struct rawpacket_conn *rawpacket_setup(int id); +void rawpacket_send(struct rawpacket_conn *c, char *data, int datalen); +int rawpacket_received(struct rawpacket_conn *c); + +#endif /* __RAWPACKET_H__ */