osd-contiki/tools/cooja/examples/jni_test/level5/Level5.java

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/*
* 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: Level5.java,v 1.3 2007/09/10 14:07:12 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.SectionMoteMemory;
import se.sics.cooja.contikimote.ContikiMoteType;
public class Level5 {
private final File externalToolsSettingsFile = new File("../exttools.cfg");
static {
System.load(new File("level5.library").getAbsolutePath());
}
private native void doCount();
private native int getRefAddress();
public native void getMemory(int start, int length, byte[] mem);
public native void setMemory(int start, int length, byte[] mem);
private int javaDataCounter = 1;
private int javaBssCounter = 0;
public Level5() {
// 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 nm?
boolean useNm = Boolean.parseBoolean(GUI.getExternalToolsSetting("PARSE_WITH_NM", "false"));
Properties addresses = new Properties();
int relDataSectionAddr = -1;
int dataSectionSize = -1;
int relBssSectionAddr = -1;
int bssSectionSize = -1;
if (useNm) {
// Parse nm output
System.out.println("Parsing using nm");
File libFile = new File("level5.library");
if (!libFile.exists()) {
System.err.println("Library file " + libFile.getAbsolutePath() + " could not be found!");
System.exit(1);
}
Vector<String> nmData = ContikiMoteType.loadNmData(libFile);
if (nmData == null) {
System.err.println("No nm data could be loaded");
System.exit(1);
}
boolean parseOK = ContikiMoteType.parseNmData(nmData, addresses);
if (!parseOK) {
System.err.println("Nm data parsing failed");
System.exit(1);
}
relDataSectionAddr = ContikiMoteType.loadNmRelDataSectionAddr(nmData);
dataSectionSize = ContikiMoteType.loadNmDataSectionSize(nmData);
relBssSectionAddr = ContikiMoteType.loadNmRelBssSectionAddr(nmData);
bssSectionSize = ContikiMoteType.loadNmBssSectionSize(nmData);
} else {
// Parse map file
System.out.println("Parsing using map file");
File mapFile = new File("level5.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);
}
int absRefAddress = getRefAddress();
int relRefAddress = (Integer) addresses.get("ref_var");
int offsetRelToAbs = absRefAddress - relRefAddress;
System.out.println("Creating section memory");
byte[] initialDataSection = new byte[dataSectionSize];
byte[] initialBssSection = new byte[bssSectionSize];
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, initialDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, initialBssSection);
SectionMoteMemory memory = new SectionMoteMemory(addresses);
memory.setMemorySegment(relDataSectionAddr, initialDataSection);
memory.setMemorySegment(relBssSectionAddr, initialBssSection);
int dataCounter, bssCounter;
System.out.print("Checking initial values: ");
dataCounter = memory.getIntValueOf("initialized_counter");
bssCounter = memory.getIntValueOf("uninitialized_counter");
if (dataCounter != javaDataCounter || bssCounter != javaBssCounter) {
System.out.println("FAILED!");
} else {
System.out.println("OK!");
}
System.out.println("Increasing counters 5 times");
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
System.out.print("Checking increased values: ");
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, initialDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, initialBssSection);
memory.setMemorySegment(relDataSectionAddr, initialDataSection);
memory.setMemorySegment(relBssSectionAddr, initialBssSection);
dataCounter = memory.getIntValueOf("initialized_counter");
bssCounter = memory.getIntValueOf("uninitialized_counter");
if (dataCounter != javaDataCounter || bssCounter != javaBssCounter) {
System.out.println("FAILED!");
System.exit(1);
} else {
System.out.println("OK!");
}
System.out.println("Storing both memory segments now");
byte[] savedDataSection = new byte[dataSectionSize];
byte[] savedBssSection = new byte[bssSectionSize];
int savedDataCounter = dataCounter;
int savedBssCounter = bssCounter;
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, savedDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, savedBssSection);
System.out.println("Increasing counters 3 times");
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
System.out.print("Checking increased values: ");
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, initialDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, initialBssSection);
memory.setMemorySegment(relDataSectionAddr, initialDataSection);
memory.setMemorySegment(relBssSectionAddr, initialBssSection);
dataCounter = memory.getIntValueOf("initialized_counter");
bssCounter = memory.getIntValueOf("uninitialized_counter");
if (dataCounter != javaDataCounter || bssCounter != javaBssCounter) {
System.out.println("FAILED!");
System.exit(1);
} else {
System.out.println("OK!");
}
System.out.println("Restoring data segment");
setMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, savedDataSection);
javaDataCounter = savedDataCounter;
System.out.println("Increasing counters 3 times");
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
doCount(); javaDataCounter++; javaBssCounter++;
System.out.print("Checking reset data counter: ");
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, initialDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, initialBssSection);
memory.setMemorySegment(relDataSectionAddr, initialDataSection);
memory.setMemorySegment(relBssSectionAddr, initialBssSection);
dataCounter = memory.getIntValueOf("initialized_counter");
bssCounter = memory.getIntValueOf("uninitialized_counter");
if (dataCounter != javaDataCounter || bssCounter != javaBssCounter) {
System.out.println("FAILED!");
System.exit(1);
} else {
System.out.println("OK!");
}
System.out.println("Restoring bss segment");
setMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, savedBssSection);
javaBssCounter = savedBssCounter;
System.out.print("Checking reset bss counter: ");
getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, initialDataSection);
getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, initialBssSection);
memory.setMemorySegment(relDataSectionAddr, initialDataSection);
memory.setMemorySegment(relBssSectionAddr, initialBssSection);
dataCounter = memory.getIntValueOf("initialized_counter");
bssCounter = memory.getIntValueOf("uninitialized_counter");
if (dataCounter != javaDataCounter || bssCounter != javaBssCounter) {
System.out.println("FAILED!");
System.exit(1);
} else {
System.out.println("OK!");
}
System.out.println("\n");
System.out.println("Reading and writing memory segments via JNI successfully");
System.out.println("Level 5 OK!");
}
public static void main(String[] args) {
new Level5();
}
}