268 lines
6.4 KiB
C
268 lines
6.4 KiB
C
/*
|
|
* Copyright (c) 2004, 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: Adam Dunkels <adam@sics.se>
|
|
*
|
|
* $Id: main.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* This file implements the main function of the Contiki distributed
|
|
* sensor network simulation environment.
|
|
* \author Adam Dunkels <adam@sics.se>
|
|
*
|
|
* When starting, each sensor node is created as its own process. The
|
|
* sensor node processes communicates with the starting process using
|
|
* named pipes. These pipes carry messages such as data packets and
|
|
* configuration and statistics information requests.
|
|
*/
|
|
#include "contiki-net.h"
|
|
#include "display.h"
|
|
#include "contiki-main.h"
|
|
#include "nodes.h"
|
|
#include "ether.h"
|
|
#include "node.h"
|
|
|
|
#include "net/ethernode.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <sys/wait.h>
|
|
|
|
static int main_process = 0;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
sigchld_handler(int sig)
|
|
{
|
|
int status;
|
|
pid_t pid;
|
|
struct nodes_node *node;
|
|
if(!main_process) {
|
|
return;
|
|
}
|
|
|
|
pid = waitpid(-1, &status, WNOHANG);
|
|
|
|
if(WIFSIGNALED(status) &&
|
|
WTERMSIG(status) == SIGSEGV) {
|
|
node = nodes_find_pid(pid);
|
|
if(node == NULL) {
|
|
printf("A Contiki node crashed, but it wasn't even started by the system. Something weird is going on!\n");
|
|
} else {
|
|
printf("Contiki node at (%d, %d) crashed - Segmentation fault\n",
|
|
node->x, node->y);
|
|
}
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
idle(void)
|
|
{
|
|
int events;
|
|
|
|
do {
|
|
ether_server_poll();
|
|
display_tick();
|
|
display_redraw();
|
|
ether_tick();
|
|
events = process_run();
|
|
if(events > 0) {
|
|
printf("events %d\n", events);
|
|
}
|
|
} while(events > 0);
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
start_node(int x, int y, int b)
|
|
{
|
|
pid_t pid;
|
|
static unsigned short port = NODES_PORTBASE;
|
|
|
|
|
|
pid = fork();
|
|
|
|
if(pid == 0) {
|
|
|
|
/* This is the sensor process. */
|
|
main_process = 0;
|
|
|
|
srandom(getpid());
|
|
|
|
usleep(1000 * ((random() & 0x0f) << 6) );
|
|
|
|
node_init(port - NODES_PORTBASE, x, y, b);
|
|
ethernode_init(port);
|
|
|
|
|
|
|
|
contiki_main(b);
|
|
|
|
/* NOTREACHED */
|
|
}
|
|
/* printf("Adding sensor %d at (%d,%d)\n", pid, x, y);*/
|
|
main_process = 1;
|
|
nodes_add(pid, x, y, port);
|
|
|
|
|
|
++port;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
main_add_node(int x, int y)
|
|
{
|
|
start_node(x, y, 0);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
main_add_base(int x, int y)
|
|
{
|
|
start_node(x, y, 1);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
/* system("ifconfig tap0 inet 192.168.250.1");*/
|
|
/* system("route delete 172.16.0.0/16");
|
|
system("route add 172.16.0.0/16 192.168.250.2");*/
|
|
|
|
nodes_init();
|
|
|
|
atexit(nodes_kill);
|
|
|
|
init();
|
|
|
|
ether_server_init();
|
|
|
|
#if 0
|
|
while(1) {
|
|
ether_server_poll();
|
|
ether_tick();
|
|
process_run();
|
|
usleep(100);
|
|
}
|
|
#endif /* 0 */
|
|
if(argc > 1 && strcmp(argv[1], "-q") == 0) {
|
|
display_init(idle, 50, 0);
|
|
} else {
|
|
display_init(idle, 50, 1);
|
|
}
|
|
display_redraw();
|
|
|
|
signal(SIGCHLD, sigchld_handler);
|
|
|
|
|
|
display_run();
|
|
|
|
return 0;
|
|
|
|
argv = argv;
|
|
argc = argc;
|
|
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
char *arg_alloc(char size) {return NULL;}
|
|
void arg_init(void) {}
|
|
void arg_free(char *arg) {}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
|
|
char *shell_prompt_text = "sensor-router> ";
|
|
|
|
/*-----------------------------------------------------------------------------------*/
|
|
#include <sys/time.h>
|
|
|
|
static signed long drift = 0;
|
|
|
|
void
|
|
clock_delay(unsigned int num)
|
|
{
|
|
usleep(num * 100);
|
|
}
|
|
|
|
void
|
|
clock_set_time(clock_time_t time, clock_time_t ftime)
|
|
{
|
|
drift = time - node_time();
|
|
}
|
|
|
|
clock_time_t
|
|
clock_time(void)
|
|
{
|
|
return drift + node_time();
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned long
|
|
clock_seconds(void)
|
|
{
|
|
return node_seconds();
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
uip_log(char *m)
|
|
{
|
|
u16_t addr[2];
|
|
uip_gethostaddr(addr);
|
|
|
|
printf("uIP log at %d.%d.%d.%d: %s\n",
|
|
uip_ipaddr1(addr),
|
|
uip_ipaddr2(addr),
|
|
uip_ipaddr3(addr),
|
|
uip_ipaddr4(addr),
|
|
m);
|
|
fflush(NULL);
|
|
}
|
|
void
|
|
configurator_send_config(u16_t *addr, unsigned long seconds)
|
|
{
|
|
printf("Configurator: address %d.%d.%d.%d, seconds %lu\n",
|
|
uip_ipaddr1(addr),
|
|
uip_ipaddr2(addr),
|
|
uip_ipaddr3(addr),
|
|
uip_ipaddr4(addr),
|
|
seconds);
|
|
}
|
|
|
|
|
|
void
|
|
system_log(char *m)
|
|
{
|
|
printf("%s", m);
|
|
}
|
|
/*void tr1001_drv_set_slip_dump(int c)
|
|
{
|
|
|
|
}*/
|