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