From b8bf33f53f0900613a4e09d1d2fa2b77560dc2ab Mon Sep 17 00:00:00 2001 From: adamdunkels Date: Thu, 31 Aug 2006 09:35:27 +0000 Subject: [PATCH] Functions for sending individual UDP datagrams --- core/net/uip-udp-packet.c | 59 +++++++++++++++++++++++++++++++++++++++ core/net/uip-udp-packet.h | 48 +++++++++++++++++++++++++++++++ 2 files changed, 107 insertions(+) create mode 100644 core/net/uip-udp-packet.c create mode 100644 core/net/uip-udp-packet.h diff --git a/core/net/uip-udp-packet.c b/core/net/uip-udp-packet.c new file mode 100644 index 000000000..1e02b4689 --- /dev/null +++ b/core/net/uip-udp-packet.c @@ -0,0 +1,59 @@ +/* + * 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: uip-udp-packet.c,v 1.1 2006/08/31 09:35:27 adamdunkels Exp $ + */ + +/** + * \file + * Module for sending UDP packets through uIP. + * \author + * Adam Dunkels + */ + +#include "net/uip-udp-packet.h" + +#include + +extern u16_t uip_slen; + +/*---------------------------------------------------------------------------*/ +void +uip_udp_packet_send(struct uip_udp_conn *c, char *data, int len) +{ + uip_udp_conn = c; + uip_slen = len; + memcpy(&uip_buf[UIP_LLH_LEN + UIP_IPUDPH_LEN], data, len > UIP_BUFSIZE? UIP_BUFSIZE: len); + uip_process(UIP_UDP_SEND_CONN); + if(uip_len > 0) { + tcpip_output(); + } +} +/*---------------------------------------------------------------------------*/ diff --git a/core/net/uip-udp-packet.h b/core/net/uip-udp-packet.h new file mode 100644 index 000000000..d1af32925 --- /dev/null +++ b/core/net/uip-udp-packet.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: uip-udp-packet.h,v 1.1 2006/08/31 09:35:27 adamdunkels Exp $ + */ + +/** + * \file + * Header file for module for sending UDP packets through uIP. + * \author + * Adam Dunkels + */ + +#ifndef __UIP_UDP_PACKET_H__ +#define __UIP_UDP_PACKET_H__ + +#include "net/uip.h" + +void uip_udp_packet_send(struct uip_udp_conn *c, char *data, int len); + +#endif /* __UIP_UDP_PACKET_H__ */