138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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* Copyright (c) 2004, 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: Adam Dunkels <adam@sics.se>
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*
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* $Id: node.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
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*/
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#include "node.h"
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#include "contiki.h"
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#include "net/uip.h"
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#include <string.h>
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#include <stdlib.h>
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static clock_time_t drift, timer;
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struct node node;
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static int fd;
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static void init_node_log(void);
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/*------------------------------------------------------------------------------*/
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void
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node_init(int id, int posx, int posy, int b)
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{
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u16_t addr[2];
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node.id = id;
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node.x = posx;
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node.y = posy;
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node.type = NODE_TYPE_NORMAL;
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if(b) {
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uip_ipaddr(addr, 192,168,250,2);
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} else {
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uip_ipaddr(addr, 10,10,posx,posy);
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}
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uip_sethostaddr(addr);
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drift = random() % 9572627217;
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init_node_log();
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}
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/*------------------------------------------------------------------------------*/
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#include <sys/time.h>
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clock_time_t
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node_time(void)
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{
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000 + drift;
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}
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/*------------------------------------------------------------------------------*/
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unsigned long
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node_seconds(void)
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{
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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return tv.tv_sec;
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}
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/*------------------------------------------------------------------------------*/
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void
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node_set_time(clock_time_t time)
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{
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timer = time;
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}
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/*------------------------------------------------------------------------------*/
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int
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node_x(void)
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{
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return node.x;
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}
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/*------------------------------------------------------------------------------*/
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int
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node_y(void)
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{
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return node.y;
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}
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/*------------------------------------------------------------------------------*/
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <unistd.h>
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static void
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init_node_log(void)
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{
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fd = open("log", O_CREAT | O_WRONLY | O_APPEND, 0666);
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}
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void
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node_log(const char *fmt, ...)
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{
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va_list ap;
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char buf[4096];
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int len;
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len = snprintf(buf, sizeof(buf), "Node %d (%d, %d): ", node.id, node.x, node.y);
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va_start(ap, fmt);
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vsnprintf(&buf[len], sizeof(buf) - len, fmt, ap);
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write(fd, buf, strlen(buf));
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va_end(ap);
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}
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/*------------------------------------------------------------------------------*/
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