115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Oliver Schmidt <ol.sc@web.de>
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*
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* $Id: config.c,v 1.7 2010/09/29 21:48:54 oliverschmidt Exp $
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "contiki-net.h"
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#include "cfs/cfs.h"
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#include "sys/log.h"
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#include "lib/error.h"
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#include "net/ethernet-drv.h"
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/*-----------------------------------------------------------------------------------*/
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#if LOG_CONF_ENABLED
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static char * CC_FASTCALL
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ipaddrtoa(uip_ipaddr_t *ipaddr, char *buffer)
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{
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char *ptr = buffer;
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uint8_t i;
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for(i = 0; i < 4; ++i) {
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*ptr = '.';
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utoa(ipaddr->u8[i], ++ptr, 10);
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ptr += strlen(ptr);
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}
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return buffer + 1;
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}
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#endif /* LOG_CONF_ENABLED */
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/*-----------------------------------------------------------------------------------*/
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struct ethernet_config * CC_FASTCALL
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config_read(char *filename)
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{
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static struct {
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uip_ipaddr_t hostaddr;
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uip_ipaddr_t netmask;
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uip_ipaddr_t draddr;
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uip_ipaddr_t resolvaddr;
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struct ethernet_config ethernetcfg;
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} config;
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int file;
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file = cfs_open(filename, CFS_READ);
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if(file < 0) {
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log_message(filename, ": File not found");
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error_exit();
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}
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if(cfs_read(file, &config, sizeof(config)) < sizeof(config)
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- sizeof(config.ethernetcfg.name)) {
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log_message(filename, ": No config file");
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error_exit();
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}
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cfs_close(file);
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log_message("IP Address: ", ipaddrtoa(&config.hostaddr, uip_buf));
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log_message("Subnet Mask: ", ipaddrtoa(&config.netmask, uip_buf));
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log_message("Def. Router: ", ipaddrtoa(&config.draddr, uip_buf));
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log_message("DNS Server: ", ipaddrtoa(&config.resolvaddr, uip_buf));
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#ifndef ETHERNET
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log_message("Eth. Driver: ", config.ethernetcfg.name);
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#else /* !ETHERNET */
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#define _stringize(arg) #arg
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#define stringize(arg) _stringize(arg)
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log_message("Eth. Driver: ", stringize(ETHERNET));
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#undef _stringize
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#undef stringize
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#endif /* !ETHERNET */
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log_message("Driver Port: $", utoa(config.ethernetcfg.addr, uip_buf, 16));
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uip_sethostaddr(&config.hostaddr);
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uip_setnetmask(&config.netmask);
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uip_setdraddr(&config.draddr);
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#if WITH_DNS
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resolv_conf(&config.resolvaddr);
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#endif /* WITH_DNS */
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return &config.ethernetcfg;
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}
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/*-----------------------------------------------------------------------------------*/
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