osd-contiki/platform/netsim/nodes.c

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/*
* 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: nodes.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
*/
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include "nodes.h"
static int numnodes;
static struct nodes_node nodes[2000];
/*---------------------------------------------------------------------------*/
void
nodes_init(void)
{
numnodes = 0;
}
/*---------------------------------------------------------------------------*/
void
nodes_add(int pid, int x, int y, int port)
{
nodes[numnodes].pid = pid;
nodes[numnodes].x = x;
nodes[numnodes].y = y;
nodes[numnodes].port = port;
nodes[numnodes].leds = 0;
++numnodes;
}
/*---------------------------------------------------------------------------*/
void
nodes_kill(void)
{
int i;
for(i = 0; i < numnodes; ++i) {
kill(nodes[i].pid, SIGTERM);
}
}
/*---------------------------------------------------------------------------*/
int
nodes_num(void)
{
return numnodes;
}
/*---------------------------------------------------------------------------*/
struct nodes_node *
nodes_node(int num)
{
if(num > numnodes) {
fprintf(stderr, "nodes_node: request for %d > %d\n", num, numnodes);
abort();
}
return &nodes[num];
}
/*---------------------------------------------------------------------------*/
void
nodes_set_leds(int x, int y, int leds)
{
int i;
for(i = numnodes; i >= 0; --i) {
if(nodes[i].x == x && nodes[i].y == y) {
nodes[i].leds = leds;
return;
}
}
}
/*---------------------------------------------------------------------------*/
struct nodes_node *
nodes_find_pid(pid_t pid)
{
int i;
printf("Nofodes %d\n", numnodes);
for(i = 0; i < numnodes; ++i) {
printf("%d == %d\n", pid, nodes[i].pid); fflush(NULL);
if(nodes[i].pid == pid) {
return &nodes[i];
}
}
return NULL;
}
/*---------------------------------------------------------------------------*/