osd-contiki/cpu/6502/lib/config.c

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/*
* Copyright (c) 2007, 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.
*
* Author: Oliver Schmidt <ol.sc@web.de>
*
* $Id: config.c,v 1.3 2007/12/16 13:10:14 oliverschmidt Exp $
*/
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "contiki-net.h"
#include "sys/log.h"
#include "lib/error.h"
#include "net/ethernet-drv.h"
/*-----------------------------------------------------------------------------------*/
static char *
ipaddrtoa(uip_ipaddr_t *ipaddr, char *buffer)
{
char *ptr = buffer;
u8_t i;
for(i = 0; i < 4; ++i) {
*ptr = '.';
utoa(ipaddr->u8[i], ++ptr, 10);
ptr += strlen(ptr);
}
return buffer + 1;
}
/*-----------------------------------------------------------------------------------*/
struct ethernet_config *
config_read(char *filename)
{
static struct {
uip_ipaddr_t hostaddr;
uip_ipaddr_t netmask;
uip_ipaddr_t draddr;
uip_ipaddr_t resolvaddr;
struct ethernet_config ethernetcfg;
} config;
int file;
file = open(filename, O_RDONLY);
if(file < 0) {
log_message(filename, ": File not found");
error_exit();
}
if(read(file, &config, sizeof(config)) < sizeof(config)
- sizeof(config.ethernetcfg.name)) {
log_message(filename, ": No config file");
error_exit();
}
close(file);
log_message("IP Address: ", ipaddrtoa(&config.hostaddr, uip_buf));
log_message("Subnet Mask: ", ipaddrtoa(&config.netmask, uip_buf));
log_message("Def. Router: ", ipaddrtoa(&config.draddr, uip_buf));
//log_message("DNS Server: ", ipaddrtoa(&config.resolvaddr, uip_buf));
log_message("Eth. Driver: ", config.ethernetcfg.name);
log_message("Driver Port: $", utoa(config.ethernetcfg.addr, uip_buf, 16));
uip_sethostaddr(&config.hostaddr);
uip_setnetmask(&config.netmask);
uip_setdraddr(&config.draddr);
//resolv_conf(&config.resolvaddr);
return &config.ethernetcfg;
}
/*-----------------------------------------------------------------------------------*/