sysperfana/perfinvestigator/com.nokia.carbide.cpp.pi.power/src/com/nokia/carbide/cpp/pi/power/PwrTraceParser.java
/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
package com.nokia.carbide.cpp.pi.power;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.util.Vector;
import com.nokia.carbide.cpp.internal.pi.model.GenericTrace;
import com.nokia.carbide.cpp.internal.pi.model.ParsedTraceData;
import com.nokia.carbide.cpp.internal.pi.model.Parser;
import com.nokia.carbide.cpp.pi.util.GeneralMessages;
public class PwrTraceParser extends Parser
{
private boolean debug = false;
private PwrSample[] traceData;
public PwrTraceParser() throws Exception
{
}
public PwrTraceParser(File file) throws Exception
{
if (!file.exists() || file.isDirectory())
{
throw new Exception(Messages.getString("PwrTraceParser.cannotOpenTraceFile")); //$NON-NLS-1$
}
FileInputStream fis = new FileInputStream(file);
byte[] data = new byte[(int)file.length()];
fis.read(data);
this.traceVersion = this.getVersion(data);
System.out.println(Messages.getString("PwrTraceParser.powerVersion") + this.traceVersion); //$NON-NLS-1$
if (traceVersion.indexOf("V1.57") != -1) //$NON-NLS-1$
this.parse(file);
else
System.out.println(Messages.getString("PwrTraceParser.unsupportedVersion") + this.traceVersion); //$NON-NLS-1$
fis.close();
}
public ParsedTraceData parse(File file) throws Exception
{
if (!file.exists() || file.isDirectory())
{
throw new Exception(Messages.getString("PwrTraceParser.cannotOpenTraceFile")); //$NON-NLS-1$
}
Vector intermediateTraceData = new Vector();
try
{
FileInputStream fis = new FileInputStream(file);
byte[] data = new byte[(int)file.length()];
fis.read(data);
this.traceVersion = this.getVersion(data);
System.out.println(Messages.getString("PwrTraceParser.powerVersion") + this.traceVersion); //$NON-NLS-1$
if (traceVersion.indexOf("V1.57") == -1) //$NON-NLS-1$
{
System.out.println(Messages.getString("PwrTraceParser.unsupportedVersion") + this.traceVersion); //$NON-NLS-1$
fis.close();
return null;
}
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais);
// read the length of the header
int length = dis.readByte();
// skip the header
for (int i = 0; i < length; i++)
dis.readByte();
long voltage = 0;
long current = 0;
long capacity = 0;
long sampleTime = 0;
try
{
while(true)
{
capacity = readTUint16(dis);
voltage = readTUint16(dis);
current = readTUint(dis);
sampleTime = readTUint(dis);
PwrSample sample = new PwrSample(sampleTime, current, voltage, capacity);
intermediateTraceData.add(sample);
}
}
catch (EOFException eof)
{
//return;
}
catch (Exception e)
{
GeneralMessages.showErrorMessage(Messages.getString("PwrTraceParser.errorReadingTraceFile")); //$NON-NLS-1$
throw e;
}
}
catch (Exception e)
{
GeneralMessages.showErrorMessage(Messages.getString("PwrTraceParser.errorReadingTraceFile")); //$NON-NLS-1$
throw e;
}
if (debug) System.out.println(Messages.getString("PwrTraceParser.traceFileParsed") + intermediateTraceData.size()); //$NON-NLS-1$
// all samples have been parsed
intermediateTraceData.trimToSize();
this.traceData = new PwrSample[intermediateTraceData.size()];
// store the trace data into an array
intermediateTraceData.toArray(this.traceData);
ParsedTraceData ptd = new ParsedTraceData();
ptd.traceData = this.getTrace();
return ptd;
}
private String getVersion(byte[] data)
{
int length = data[0];
String ver = Messages.getString("PwrTraceParser.unknown"); //$NON-NLS-1$
String verString = new String(data, 1, length);
if (debug)
System.out.println(Messages.getString("PwrTraceParser.versionStringDebug") + verString); //$NON-NLS-1$
if(verString.indexOf("Bappea") != -1) //$NON-NLS-1$
if(verString.indexOf("PWR") != -1) //$NON-NLS-1$
{
int index = verString.indexOf("_"); //$NON-NLS-1$
ver = verString.substring(index + 1, length);
}
return ver;
}
private long readTUint(DataInputStream dis) throws Exception
{
long result = dis.readUnsignedByte();
result += dis.readUnsignedByte() << 8;
result += dis.readUnsignedByte() << 16;
result += dis.readUnsignedByte() << 24;
return result;
}
private long readTUint16(DataInputStream dis) throws Exception
{
int result = dis.readUnsignedByte();
result += dis.readUnsignedByte() << 8;
return result;
}
private GenericTrace getTrace()
{
PwrTrace trace = new PwrTrace();
for (int i = 0; i < traceData.length; i++)
{
trace.addSample(this.traceData[i]);
}
return trace;
}
public static void main( String[] args )
{
try {
PwrTraceParser p = new PwrTraceParser(new File(Messages.getString("PwrTraceParser.tmpFilePath"))); //$NON-NLS-1$
} catch ( Exception e ) {
System.out.println(Messages.getString("PwrTraceParser.exceptionMessage") + e.getMessage() ); //$NON-NLS-1$
}
}
}