Contiki 2.6
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00001 /* 00002 * Copyright (c) 2007, 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: rucb.h,v 1.4 2009/11/08 19:40:18 adamdunkels Exp $ 00032 */ 00033 00034 /** 00035 * \file 00036 * Header file for the reliable unicast bulk transfer module 00037 * \author 00038 * Adam Dunkels <adam@sics.se> 00039 */ 00040 00041 #ifndef __RUCB_H__ 00042 #define __RUCB_H__ 00043 00044 #include "net/rime/runicast.h" 00045 00046 struct rucb_conn; 00047 00048 enum { 00049 RUCB_FLAG_NONE, 00050 RUCB_FLAG_NEWFILE, 00051 RUCB_FLAG_LASTCHUNK, 00052 }; 00053 00054 struct rucb_callbacks { 00055 void (* write_chunk)(struct rucb_conn *c, int offset, int flag, 00056 char *data, int len); 00057 int (* read_chunk)(struct rucb_conn *c, int offset, char *to, 00058 int maxsize); 00059 void (* timedout)(struct rucb_conn *c); 00060 }; 00061 00062 #define RUCB_DATASIZE 64 00063 00064 struct rucb_conn { 00065 struct runicast_conn c; 00066 const struct rucb_callbacks *u; 00067 rimeaddr_t receiver, sender; 00068 uint16_t chunk; 00069 uint8_t last_seqno; 00070 int last_size; 00071 }; 00072 00073 void rucb_open(struct rucb_conn *c, uint16_t channel, 00074 const struct rucb_callbacks *u); 00075 void rucb_close(struct rucb_conn *c); 00076 00077 int rucb_send(struct rucb_conn *c, const rimeaddr_t *receiver); 00078 00079 00080 #endif /* __RUCB_H__ */