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/********************************************************************************
* Copyright (c) 2009 Motorola Inc. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Initial Contributor:
* Otavio Ferranti (Motorola)
*
* Contributors:
* {Name} (company) - description of contribution.
********************************************************************************/
package org.eclipse.sequoyah.device.linuxtools.tools.memorymap;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.regex.MatchResult;
import org.eclipse.sequoyah.device.common.utilities.logger.ILogger;
import org.eclipse.sequoyah.device.linuxtools.LinuxToolsPlugin;
import org.eclipse.sequoyah.device.linuxtools.network.IConnectionProvider;
import org.eclipse.sequoyah.device.linuxtools.network.IConstants.CommandCode;
import org.eclipse.sequoyah.device.linuxtools.network.IConstants.EventCode;
import org.eclipse.sequoyah.device.linuxtools.tools.AbstractNotifier;
import org.eclipse.sequoyah.device.linuxtools.tools.IListener;
import org.eclipse.sequoyah.device.linuxtools.tools.INotifier;
/**
* @author Otavio Ferranti
*/
public class MemoryMapProcessor extends AbstractNotifier implements IListener {
final private String CMD_FETCH_IOMEM = "/proc/iomem"; //$NON-NLS-1$
final private String PARSE_PATTERN = "\\s*(\\w{8})-(\\w{8})\\s*:\\s*(.*)"; //$NON-NLS-1$
final private String MSG_EXECUTING_COMMAND =
Messages.MemoryMapProcessor_Msg_Executing_The_Command;
final private String MSG_GOT_RESULT =
Messages.MemoryMapProcessor_Msg_Got_The_Result;
final private int MAX_COLUMNS = 4;
private IConnectionProvider connectionProvider = null;
private ILogger logger = null;
/**
* The constructor;
* @param connectionProvider
*/
public MemoryMapProcessor(IConnectionProvider connectionProvider) {
setConnectionProvider(connectionProvider);
logger = LinuxToolsPlugin.getLogger();
}
/**
* @throws IOException
*/
public void gatherData() throws IOException {
connectionProvider.setResponseLength(8192);
connectionProvider.sendCommand(CommandCode.FETCH_FILE, this.CMD_FETCH_IOMEM);
logger.debug(MSG_EXECUTING_COMMAND + "\n" + this.CMD_FETCH_IOMEM); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.network.IListener#notify(org.eclipse.sequoyah.device.linuxtools.network.INotifier, org.eclipse.sequoyah.device.linuxtools.network.IConstants.EventCode, java.lang.Object)
*/
public void notify(INotifier notifier,
EventCode event,
Object result) {
if (notifier == this.connectionProvider &&
event == EventCode.EVT_PROVIDER_SENDCOMMAND_FINISHED) {
this.connectionProvider.setResponseLength(1024);
Object[][] parsedResult = parseIomem((StringBuffer) result);
this.notifyListeners(EventCode.EVT_PROCESSOR_GATHERDATA_FINISHED,
parsedResult);
}
}
/**
* @param connectionProvider
*/
public void setConnectionProvider (IConnectionProvider connectionProvider) {
if (null != this.connectionProvider) {
this.connectionProvider.removeListener(this);
}
this.connectionProvider = connectionProvider;
if (null != this.connectionProvider) {
this.connectionProvider.addListener(this);
}
}
/**
* @param data
* @return
*/
private Object[][] parseIomem(StringBuffer data) {
logger.debug(MSG_GOT_RESULT + "\n" + data.toString());
Scanner s1 = new Scanner(data.toString());
ArrayList<String[]> list = new ArrayList<String[]>();
int j = 0;
while (s1.hasNextLine()) {
Scanner s2 = new Scanner(s1.nextLine());
s2.findInLine(PARSE_PATTERN);
String[] entry = null;
try {
MatchResult result = s2.match();
entry = new String[MAX_COLUMNS];
for (int i = 1; i <= result.groupCount() && i <= MAX_COLUMNS - 1; i++) {
entry[i-1] = result.group(i);
}
entry[MAX_COLUMNS - 1] = new Integer(j).toString();
j++;
} catch (IllegalStateException ise) {
//TODO: Nothing ?
}
s2.close();
if (null != entry) {
list.add(entry);
}
}
s1.close();
String[][] retVal = new String[list.size()][MAX_COLUMNS];
for (int i = 0; i < retVal.length; i++) {
retVal[i] = list.get(i);
}
return retVal;
}
}
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