level4.java

传感器网络操作系统contiki。 被广泛应用于环境检测、结构健康监测等等。包括路由协议

/*
 * Copyright (c) 2006, 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.
 *
 * $Id: Level4.java,v 1.3 2007/09/18 11:35:11 fros4943 Exp $
 */

import java.io.*;
import java.util.Properties;
import java.util.Vector;
import org.apache.log4j.xml.DOMConfigurator;

import se.sics.cooja.GUI;
import se.sics.cooja.contikimote.ContikiMoteType;

public class Level4 {
  private final File externalToolsSettingsFile = new File("../exttools.cfg");

  static {
    System.load(new File("level4.library").getAbsolutePath());
  }

  private native void doCount();
  private native int getRefAddress();

  public Level4() {
    // Configure logger
    DOMConfigurator.configure(GUI.class.getResource("/" + GUI.LOG_CONFIG_FILE));

    // Load configuration
    System.out.println("Loading COOJA configuration");
    GUI.externalToolsUserSettingsFile = externalToolsSettingsFile;
    GUI.loadExternalToolsDefaultSettings();
    GUI.loadExternalToolsUserSettings();

    // Should we parse addresses using map file or command?
    boolean useCommand = Boolean.parseBoolean(GUI.getExternalToolsSetting("PARSE_WITH_COMMAND", "false"));

    Properties addresses = new Properties();
    int relDataSectionAddr = -1;
    int dataSectionSize = -1;
    int relBssSectionAddr = -1;
    int bssSectionSize = -1;

    if (useCommand) {
      // Parse command output
      System.out.println("Parsing using command");

      File libFile = new File("level4.library");
      if (!libFile.exists()) {
        System.err.println("Library file " + libFile.getAbsolutePath() + " could not be found!");
        System.exit(1);
      }

      Vector<String> commandData = ContikiMoteType.loadCommandData(libFile);
      if (commandData == null) {
        System.err.println("No command data could be loaded");
        System.exit(1);
      }

      boolean parseOK = ContikiMoteType.parseCommandData(commandData, addresses);
      if (!parseOK) {
        System.err.println("Command data parsing failed");
        System.exit(1);
      }

      relDataSectionAddr = ContikiMoteType.loadCommandRelDataSectionAddr(commandData);
      dataSectionSize = ContikiMoteType.loadCommandDataSectionSize(commandData);
      relBssSectionAddr = ContikiMoteType.loadCommandRelBssSectionAddr(commandData);
      bssSectionSize = ContikiMoteType.loadCommandBssSectionSize(commandData);
    } else {
      // Parse map file
      System.out.println("Parsing using map file");
      File mapFile = new File("level4.map");
      if (!mapFile.exists()) {
        System.err.println("No map file could be loaded");
        System.exit(1);
      }

      Vector<String> mapData = ContikiMoteType.loadMapFile(mapFile);
      if (mapData == null) {
        System.err.println("No map data could be loaded");
        System.exit(1);
      }

      boolean parseOK = ContikiMoteType.parseMapFileData(mapData, addresses);
      if (!parseOK) {
        System.err.println("Map data parsing failed");
        System.exit(1);
      }

      relDataSectionAddr = ContikiMoteType.loadRelDataSectionAddr(mapData);
      dataSectionSize = ContikiMoteType.loadDataSectionSize(mapData);
      relBssSectionAddr = ContikiMoteType.loadRelBssSectionAddr(mapData);
      bssSectionSize = ContikiMoteType.loadBssSectionSize(mapData);
    }

    String varName;
    varName = "initialized_counter";
    if (!addresses.containsKey(varName)) {
      System.err.println("Could not find address of: " + varName);
      System.exit(1);
    }
    varName = "uninitialized_counter";
    if (!addresses.containsKey(varName)) {
      System.err.println("Could not find address of: " + varName);
      System.exit(1);
    }
    varName = "ref_var";
    if (!addresses.containsKey(varName)) {
      System.err.println("Could not find address of: " + varName);
      System.exit(1);
    }
    if (relDataSectionAddr < 0) {
      System.err.println("Data segment address < 0: 0x" + Integer.toHexString(relDataSectionAddr));
      System.exit(1);
    }
    if (relBssSectionAddr < 0) {
      System.err.println("BSS segment address < 0: 0x" + Integer.toHexString(relBssSectionAddr));
      System.exit(1);
    }
    if (dataSectionSize <= 0) {
      System.err.println("Data segment size <= 0: 0x" + Integer.toHexString(dataSectionSize));
      System.exit(1);
    }
    if (bssSectionSize <= 0) {
      System.err.println("BSS segment size <= 0: 0x" + Integer.toHexString(bssSectionSize));
      System.exit(1);
    }

    int absRefAddress = getRefAddress();
    System.out.println("Absolute reference address: 0x" + Integer.toHexString(absRefAddress));
    int relRefAddress = (Integer) addresses.get("ref_var");
    System.out.println("Relative reference address: 0x" + Integer.toHexString(relRefAddress));
    int offsetRelToAbs = absRefAddress - relRefAddress;
    System.out.println("Offset relative-absolute: 0x" + Integer.toHexString(offsetRelToAbs));

    doCount();
    doCount();
    doCount();
    doCount();
    doCount();

    System.err.println("Level 4 OK!");
  }


  public static void main(String[] args) {
    new Level4();
  }

}