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/********************************************************************************
* Copyright (c) 2008 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:
* Otavio Ferranti - Eldorado Research Institute - Bug 255255 [tml][proctools] Add extension points
********************************************************************************/
package org.eclipse.sequoyah.device.linuxtools.tools.cpuload;
import java.io.IOException;
import java.util.List;
import org.eclipse.sequoyah.device.linuxtools.network.IConnectionProvider;
import org.eclipse.sequoyah.device.linuxtools.network.IConstants.EventCode;
import org.eclipse.sequoyah.device.linuxtools.network.IConstants.OperationCode;
import org.eclipse.sequoyah.device.linuxtools.tools.AbstractNotifier;
import org.eclipse.sequoyah.device.linuxtools.tools.IListener;
import org.eclipse.sequoyah.device.linuxtools.tools.INotifier;
import org.eclipse.sequoyah.device.linuxtools.tools.ITool;
import org.eclipse.sequoyah.device.linuxtools.utilities.Extensions;
import org.eclipse.sequoyah.device.linuxtools.utilities.ProtocolDescriptor;
/**
* @author Otavio Ferranti
*/
public class CpuLoadTool extends AbstractNotifier implements IListener, ITool {
public enum ToolStateEnum {RUNNING, STOPPED, STOP_SCHEDULED};
private IConnectionProvider connectionProvider = null;
private CpuLoadProcessor processor = null;
private int delay = 1000;
private ToolStateEnum toolState = ToolStateEnum.STOPPED;
private String[] requiredCapabilities = {"GET_FILE"}; //$NON-NLS-1$
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.ITool#createConnection(java.lang.String, int, java.lang.String)
*/
public void connect (String host,
int port,
ProtocolDescriptor protocol) {
Class<IConnectionProvider> connectionProviderClass =
protocol.getConnectionProviderClass();
try {
Object aux = connectionProviderClass.newInstance();
connectionProvider = (IConnectionProvider) aux;
} catch (InstantiationException ie) {
} catch (IllegalAccessException iae) {
} catch (ClassCastException cce) {
}
connectionProvider.addListener(this);
try {
connectionProvider.connect(host, port);
} catch (IOException ie) { }
processor = new CpuLoadProcessor(connectionProvider);
processor.addListener(this);
toolState = ToolStateEnum.STOPPED;
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.ITool#closeConnection()
*/
public void disconnect() {
if (null != connectionProvider) {
try {
connectionProvider.disconnect();
} catch (IOException ie) {
}
connectionProvider = null;
toolState = ToolStateEnum.STOPPED;
}
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.ITool#login(java.lang.String, java.lang.String)
*/
public void login (String user, String password) {
try {
connectionProvider.login(user, password);
} catch (IOException ie) {
//TODO: Nothing ?
}
}
public List<ProtocolDescriptor> getProtocolsDescriptors() {
List <ProtocolDescriptor> pdList = Extensions.findProcotols(requiredCapabilities);
return pdList;
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.IListener#notify(org.eclipse.sequoyah.device.linuxtools.tools.INotifier, org.eclipse.sequoyah.device.linuxtools.network.IConstants.EventCode, java.lang.Object)
*/
public void notify(INotifier notifier, EventCode event, Object result) {
try {
if (notifier == connectionProvider) {
switch (event) {
case EVT_PROVIDER_CONNECT_FINISHED:
if (OperationCode.SUCCESS == result) {
start();
}
this.notifyListeners(
EventCode.EVT_TOOL_CONNECT_FINISHED,
result);
break;
case EVT_PROVIDER_CONNECT_ERROR:
break;
case EVT_PROVIDER_LOGIN_FINISHED:
if (OperationCode.SUCCESS == result) {
start();
}
this.notifyListeners(
EventCode.EVT_TOOL_LOGIN_FINISHED,
result);
break;
case EVT_PROVIDER_SENDCOMMAND_FINISHED:
break;
case EVT_PROVIDER_SENDCOMMAND_ERROR:
break;
case EVT_PROVIDER_SENDDATA_FINISHED:
break;
case EVT_PROVIDER_SENDDATA_ERROR:
break;
case EVT_PROVIDER_DISCONNECT_FINISHED:
this.notifyListeners(
EventCode.EVT_TOOL_DISCONNECT_FINISHED,
result);
break;
}
}
if (notifier == processor) {
switch (event) {
case EVT_PROCESSOR_GATHERDATA_FINISHED:
if (ToolStateEnum.RUNNING == toolState) {
try {
notifyListeners(EventCode.EVT_TOOL_REFRESH_VIEW,
result);
Thread.sleep(delay);
processor.gatherData();
} catch (InterruptedException ie) {
}
} else if (ToolStateEnum.STOP_SCHEDULED == toolState) {
toolState = ToolStateEnum.STOPPED;
}
break;
case EVT_PROCESSOR_GATHERDATA_ERROR:
break;
}
}
} catch (IOException ie) {
}
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.ITool#getRefreshDelay()
*/
public int getRefreshDelay() {
return this.delay;
}
/* (non-Javadoc)
* @see org.eclipse.sequoyah.device.linuxtools.tools.ITool#setRefreshDelay(int)
*/
public void setRefreshDelay(int delay) {
this.delay = delay;
}
/**
*
*/
public void start() {
try {
if (null != processor) {
if (ToolStateEnum.STOPPED == toolState) {
toolState = ToolStateEnum.RUNNING;
processor.gatherData();
} else if (ToolStateEnum.STOP_SCHEDULED == toolState) {
toolState = ToolStateEnum.RUNNING;
}
}
} catch (IOException ie) {
//TODO: Nothing ?
}
}
/**
*
*/
public void stop () {
toolState = ToolStateEnum.STOP_SCHEDULED;
}
public void refresh() {
// TODO Auto-generated method stub
}
}
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