throwing unknown variable exceptions

This commit is contained in:
fros4943 2008-02-11 14:04:16 +00:00
parent afebaa9e97
commit c8f1906479

View file

@ -1,7 +1,7 @@
/*
* 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,
@ -12,7 +12,7 @@
* 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
@ -23,8 +23,8 @@
* 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: SectionMoteMemory.java,v 1.5 2007/02/02 11:02:15 fros4943 Exp $
*
* $Id: SectionMoteMemory.java,v 1.6 2008/02/11 14:04:16 fros4943 Exp $
*/
package se.sics.cooja;
@ -43,7 +43,7 @@ import se.sics.cooja.MoteMemory;
* When an unhandled memory segment is set a new section is automatically
* created for this segment.
* <p>
*
*
* @author Fredrik Osterlind
*/
public class SectionMoteMemory implements MoteMemory, AddressMemory {
@ -56,7 +56,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Create a new mote memory with information about which variables exist and
* their relative memory addresses.
*
*
* @param variableAddresses
* Variable addresses
*/
@ -73,12 +73,17 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
return names;
}
public int getVariableAddress(String varName) {
if (!variableAddresses.containsKey(varName))
return -1;
public int getVariableAddress(String varName) throws UnknownVariableException {
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
return ((Integer) variableAddresses.get(varName)).intValue();
}
public int getIntegerLength() {
return 4;
}
public void clearMemory() {
sections.clear();
}
@ -107,14 +112,15 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
public int getTotalSize() {
int totalSize = 0;
for (MoteMemorySection section : sections)
for (MoteMemorySection section : sections) {
totalSize += section.getSize();
}
return totalSize;
}
/**
* Returns the total number of sections in this memory.
*
*
* @return Number of sections
*/
public int getNumberOfSections() {
@ -124,23 +130,23 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Removes a memory segment from this memory. The section containing the
* segment may be split into two sections.
*
*
* @param startAddr
* Start address
* @param size
* Length
*/
public void removeSegmentFromMemory(int startAddr, int size) {
for (MoteMemorySection section : sections)
for (MoteMemorySection section : sections) {
// Find section containing segment to remove
if (section.includesAddr(startAddr)
&& section.includesAddr(startAddr + size - 1)) {
MoteMemorySection oldSection = section;
byte[] dataFirstPart = oldSection.getMemorySegment(
oldSection.startAddr, (int) (startAddr - oldSection.startAddr));
oldSection.startAddr, (startAddr - oldSection.startAddr));
byte[] dataSecondPart = oldSection
.getMemorySegment(startAddr + size, (int) (oldSection.startAddr
.getMemorySegment(startAddr + size, (oldSection.startAddr
+ oldSection.getSize() - (startAddr + size)));
MoteMemorySection newSectionFirstPart = new MoteMemorySection(
@ -150,51 +156,57 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
// Remove old section, add new sections
sections.remove(oldSection);
if (newSectionFirstPart.getSize() > 0)
if (newSectionFirstPart.getSize() > 0) {
sections.add(newSectionFirstPart);
if (newSectionSecondPart.getSize() > 0)
}
if (newSectionSecondPart.getSize() > 0) {
sections.add(newSectionSecondPart);
}
}
}
}
/**
* Get start address of section at given position.
*
*
* @param sectionNr
* Section position
* @return Start address of section
*/
public int getStartAddrOfSection(int sectionNr) {
if (sectionNr >= sections.size())
if (sectionNr >= sections.size()) {
return 0;
}
return sections.elementAt(sectionNr).getStartAddr();
}
/**
* Get size of section at given position.
*
*
* @param sectionNr
* Section position
* @return Size of section
*/
public int getSizeOfSection(int sectionNr) {
if (sectionNr >= sections.size())
if (sectionNr >= sections.size()) {
return 0;
}
return sections.elementAt(sectionNr).getSize();
}
/**
* Get data of section at given position.
*
*
* @param sectionNr
* Section position
* @return Data at section
*/
public byte[] getDataOfSection(int sectionNr) {
if (sectionNr >= sections.size())
if (sectionNr >= sections.size()) {
return null;
}
return sections.elementAt(sectionNr).getData();
}
@ -203,20 +215,25 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
return variableAddresses.containsKey(varName);
}
public int getIntValueOf(String varName) {
public int getIntValueOf(String varName) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return -1;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
byte[] varData = getMemorySegment(varAddr, 4);
if (varData == null) {
throw new UnknownVariableException(varName);
}
int retVal = 0;
int pos = 0;
retVal += ((int) (varData[pos++] & 0xFF)) << 24;
retVal += ((int) (varData[pos++] & 0xFF)) << 16;
retVal += ((int) (varData[pos++] & 0xFF)) << 8;
retVal += ((int) (varData[pos++] & 0xFF)) << 0;
retVal += ((varData[pos++] & 0xFF)) << 24;
retVal += ((varData[pos++] & 0xFF)) << 16;
retVal += ((varData[pos++] & 0xFF)) << 8;
retVal += ((varData[pos++] & 0xFF)) << 0;
// TODO Check if small/big-endian when coming from JNI?
retVal = Integer.reverseBytes(retVal);
@ -224,10 +241,11 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
return retVal;
}
public void setIntValueOf(String varName, int newVal) {
public void setIntValueOf(String varName, int newVal) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
// TODO Check if small/big-endian when coming from JNI?
@ -245,21 +263,27 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
setMemorySegment(varAddr, varData);
}
public byte getByteValueOf(String varName) {
public byte getByteValueOf(String varName) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return -1;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
byte[] varData = getMemorySegment(varAddr, 1);
if (varData == null) {
throw new UnknownVariableException(varName);
}
return varData[0];
}
public void setByteValueOf(String varName, byte newVal) {
public void setByteValueOf(String varName, byte newVal) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
byte[] varData = new byte[1];
@ -269,20 +293,22 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
setMemorySegment(varAddr, varData);
}
public byte[] getByteArray(String varName, int length) {
public byte[] getByteArray(String varName, int length) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return null;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
// TODO Check if small/big-endian when coming from JNI?
return getMemorySegment(varAddr, length);
}
public void setByteArray(String varName, byte[] data) {
public void setByteArray(String varName, byte[] data) throws UnknownVariableException {
// Get start address of variable
if (!variableAddresses.containsKey(varName))
return;
if (!variableAddresses.containsKey(varName)) {
throw new UnknownVariableException(varName);
}
int varAddr = ((Integer) variableAddresses.get(varName)).intValue();
// TODO Check if small/big-endian when coming from JNI?
@ -291,7 +317,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* A memory section contains a byte array and a start address.
*
*
* @author Fredrik Osterlind
*/
private class MoteMemorySection {
@ -301,7 +327,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Create a new memory section.
*
*
* @param startAddr
* Start address of section
* @param data
@ -314,7 +340,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Returns start address of this memory section.
*
*
* @return Start address
*/
public int getStartAddr() {
@ -323,7 +349,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Returns size of this memory section.
*
*
* @return Size
*/
public int getSize() {
@ -332,7 +358,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Returns the entire byte array which defines this section.
*
*
* @return Byte array
*/
public byte[] getData() {
@ -341,22 +367,23 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* True if given address is part of this memory section.
*
*
* @param addr
* Address
* @return True if given address is part of this memory section, false
* otherwise
*/
public boolean includesAddr(int addr) {
if (data == null)
if (data == null) {
return false;
}
return (addr >= startAddr && addr < (startAddr + data.length));
}
/**
* Returns memory segment.
*
*
* @param addr
* Start address of memory segment
* @param size
@ -371,7 +398,7 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
/**
* Sets a memory segment.
*
*
* @param addr
* Start of memory segment
* @param data
@ -437,9 +464,11 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
return null;
}
for (int j = 0; j < sections.get(i).getSize(); j++)
if (this.sections.get(i).data[j] != anotherMem.getDataOfSection(i)[j])
for (int j = 0; j < sections.get(i).getSize(); j++) {
if (this.sections.get(i).data[j] != anotherMem.getDataOfSection(i)[j]) {
differences.add(new Integer(sections.get(i).startAddr + j));
}
}
System.err.println();
}
return differences;
@ -448,8 +477,9 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
protected void printMemory() {
for (int i = 0; i < sections.size(); i++) {
System.err.print("Section[" + i + "]: ");
for (int j = 0; j < sections.get(i).getSize(); j++)
for (int j = 0; j < sections.get(i).getSize(); j++) {
System.err.print(sections.get(i).getData()[j] + ",");
}
System.err.println();
}
}
@ -471,9 +501,11 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
}
System.err.print("Section[" + i + "]: ");
for (int j = 0; j < sections.get(i).getSize(); j++)
if (this.sections.get(i).data[j] != anotherMem.getDataOfSection(i)[j])
for (int j = 0; j < sections.get(i).getSize(); j++) {
if (this.sections.get(i).data[j] != anotherMem.getDataOfSection(i)[j]) {
System.err.print(j + ",");
}
}
System.err.println();
}
}
@ -481,8 +513,8 @@ public class SectionMoteMemory implements MoteMemory, AddressMemory {
protected void printChecksum() {
byte[] checksum = this.getChecksum();
System.err.print("Checksum: ");
for (int i = 0; i < checksum.length; i++) {
System.err.print(checksum[i] + ",");
for (byte element : checksum) {
System.err.print(element + ",");
}
System.err.println();
}