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/*******************************************************************************
* Copyright (c) 2013 Wind River Systems, Inc. and others. 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
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.steps;
import java.util.concurrent.TimeoutException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.runtime.utils.ProgressHelper;
import org.eclipse.tcf.te.runtime.utils.StatusHelper;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.nls.Messages;
/**
* WaitForReadyStep
*/
public class WaitForReadyStep extends AbstractPeerModelStep {
/**
* Constructor.
*/
public WaitForReadyStep() {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#validateExecute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void validateExecute(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#execute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void execute(final IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor, final ICallback callback) {
final IPeerModel peerModel = getActivePeerModelContext(context, data, fullQualifiedId);
if (peerModel != null && !Boolean.getBoolean("WaitForReadyStep.skip")) { //$NON-NLS-1$
Protocol.invokeLater(new Runnable() {
final Runnable thisRunnable = this;
int refreshCount = 0;
@Override
public void run() {
if (ProgressHelper.isCancel(WaitForReadyStep.this, monitor, callback)) {
return;
}
else if (refreshCount >= getTotalWork(context, data)) {
@SuppressWarnings("synthetic-access")
String message = NLS.bind(Messages.WaitForReadyStep_error_timeout, getActivePeerContext(context, data, fullQualifiedId).getName());
callback(data, fullQualifiedId, callback, StatusHelper.getStatus(new TimeoutException(message)), null);
}
else {
// Try to open a channel to the target and check for errors
Tcf.getChannelManager().openChannel(peerModel.getPeer(), null, new IChannelManager.DoneOpenChannel() {
@Override
public void doneOpenChannel(final Throwable error, final IChannel channel) {
if (ProgressHelper.isCancel(WaitForReadyStep.this, monitor, callback)) {
return;
}
IStatus status = null;
// If the channel open succeeded, we are done
if (error == null && channel != null && channel.getState() == IChannel.STATE_OPEN) {
status = Status.OK_STATUS;
}
// Close the channel right away
if (channel != null) Tcf.getChannelManager().closeChannel(channel);
// If we have an OK status, we are done
if (status != null && status.isOK()) {
callback(data, fullQualifiedId, callback, status, null);
return;
}
// License errors are reported to the user and breaks the wait immediately
if (error != null) {
String message = error.getLocalizedMessage();
if (message != null && (message.contains("LMAPI error occured:") //$NON-NLS-1$
|| message.contains("Failed to read output from value-add"))) { //$NON-NLS-1$
callback(data, fullQualifiedId, callback, StatusHelper.getStatus(error), null);
return;
}
}
// Try again until timed out
refreshCount++;
ProgressHelper.worked(monitor, 1);
Protocol.invokeLater(refreshCount < 20 ? 500 : 1000, thisRunnable);
}
});
}
}
});
}
else {
callback(data, fullQualifiedId, callback, Status.OK_STATUS, null);
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.steps.AbstractStep#getTotalWork(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer)
*/
@Override
public int getTotalWork(IStepContext context, IPropertiesContainer data) {
return 100;
}
}
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