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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* 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:
* Eike Stepper - initial API and implementation
* Simon McDuff - http://bugs.eclipse.org/230832
**************************************************************************/
package org.eclipse.emf.internal.cdo.protocol;
import org.eclipse.emf.cdo.common.CDOProtocolConstants;
import org.eclipse.emf.cdo.common.id.CDOIDLibraryDescriptor;
import org.eclipse.emf.cdo.common.id.CDOIDMetaRange;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
import org.eclipse.emf.cdo.util.ServerException;
import org.eclipse.emf.internal.cdo.bundle.OM;
import org.eclipse.net4j.channel.IChannel;
import org.eclipse.net4j.signal.RequestWithConfirmation;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import java.io.IOException;
import java.text.MessageFormat;
/**
* @author Eike Stepper
*/
public class OpenSessionRequest extends RequestWithConfirmation<OpenSessionResult>
{
private static final ContextTracer PROTOCOL_TRACER = new ContextTracer(OM.DEBUG_PROTOCOL, OpenSessionRequest.class);
private String repositoryName;
private boolean legacySupportEnabled;
private boolean passiveUpdateEnabled;
public OpenSessionRequest(IChannel channel, String repositoryName, boolean legacySupportEnabled,
boolean passiveUpdateEnabled)
{
super(channel);
this.repositoryName = repositoryName;
this.legacySupportEnabled = legacySupportEnabled;
this.passiveUpdateEnabled = passiveUpdateEnabled;
}
@Override
protected short getSignalID()
{
return CDOProtocolConstants.SIGNAL_OPEN_SESSION;
}
@Override
protected void requesting(ExtendedDataOutputStream out) throws IOException
{
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Writing repositoryName: {0}", repositoryName);
}
out.writeString(repositoryName);
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Writing legacySupportEnabled: {0}", legacySupportEnabled);
}
out.writeBoolean(legacySupportEnabled);
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Writing passiveUpdateEnabled: {0}", passiveUpdateEnabled);
}
out.writeBoolean(passiveUpdateEnabled);
}
@Override
protected OpenSessionResult confirming(ExtendedDataInputStream in) throws IOException
{
int sessionID = in.readInt();
if (sessionID == CDOProtocolConstants.ERROR_REPOSITORY_NOT_FOUND)
{
String msg = MessageFormat.format("Repository {0} not found", repositoryName);
throw new ServerException(msg);
}
if (sessionID == CDOProtocolConstants.ERROR_NO_SESSION)
{
String msg = MessageFormat.format("Failed to open session for repository {0}", repositoryName);
throw new ServerException(msg);
}
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Read sessionID: {0}", sessionID);
}
String repositoryUUID = in.readString();
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Read repositoryUUID: {0}", repositoryUUID);
}
CDOIDLibraryDescriptor libraryDescriptor = CDOIDUtil.readLibraryDescriptor(in);
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Read libraryDescriptor: {0}", libraryDescriptor);
}
OpenSessionResult result = new OpenSessionResult(sessionID, repositoryUUID, libraryDescriptor);
for (;;)
{
String packageURI = in.readString();
if (packageURI == null)
{
break;
}
boolean dynamic = in.readBoolean();
CDOIDMetaRange metaIDRange = CDOIDUtil.readMetaRange(in);
String parentURI = in.readString();
if (PROTOCOL_TRACER.isEnabled())
{
PROTOCOL_TRACER.format("Read package info: uri={0}, dynamic={1}, metaIDRange={2}, parentURI={3}", packageURI,
dynamic, metaIDRange, parentURI);
}
result.addPackageInfo(packageURI, dynamic, metaIDRange, parentURI);
}
return result;
}
}
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