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/***************************************************************************
* Copyright (c) 2004-2007 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
**************************************************************************/
package org.eclipse.emf.cdo.internal.server.protocol;
import org.eclipse.emf.cdo.internal.protocol.bundle.CDOProtocol;
import org.eclipse.emf.cdo.internal.server.Repository;
import org.eclipse.emf.cdo.internal.server.RepositoryManager;
import org.eclipse.emf.cdo.internal.server.Session;
import org.eclipse.emf.cdo.internal.server.SessionManager;
import org.eclipse.emf.cdo.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.protocol.model.CDOPackage;
import org.eclipse.emf.cdo.protocol.model.CDOPackageManager;
import org.eclipse.emf.cdo.server.IRepository;
import org.eclipse.emf.cdo.server.ISession;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
import org.eclipse.net4j.signal.IndicationWithResponse;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import java.io.IOException;
/**
* @author Eike Stepper
*/
public class OpenSessionIndication extends IndicationWithResponse
{
private static final ContextTracer PROTOCOL = new ContextTracer(CDOProtocol.DEBUG_PROTOCOL,
OpenSessionIndication.class);
private String repositoryName;
public OpenSessionIndication()
{
}
@Override
protected short getSignalID()
{
return CDOProtocolConstants.OPEN_SESSION_SIGNAL;
}
@Override
protected void indicating(ExtendedDataInputStream in) throws IOException
{
repositoryName = in.readString();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Read repositoryName: {0}", repositoryName);
}
}
@Override
protected void responding(ExtendedDataOutputStream out) throws IOException
{
Repository repository = RepositoryManager.INSTANCE.getRepository(repositoryName);
if (repository == null)
{
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Repository {0} not found", repositoryName);
}
out.writeInt(CDOProtocolConstants.ERROR_REPOSITORY_NOT_FOUND);
return;
}
CDOServerProtocol serverProtocol = (CDOServerProtocol)getProtocol();
SessionManager sessionManager = repository.getSessionManager();
Session session = sessionManager.openSession(serverProtocol);
if (session == null)
{
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Failed to open session for repository {0}", repositoryName);
}
out.writeInt(CDOProtocolConstants.ERROR_NO_SESSION);
return;
}
serverProtocol.setSession(session);
writeSessionID(out, session);
writeRepositoryUUID(out, repository);
writePackageURIs(out, repository.getPackageManager());
}
private void writeSessionID(ExtendedDataOutputStream out, ISession session) throws IOException
{
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Writing sessionID: {0}", session.getSessionID());
}
out.writeInt(session.getSessionID());
}
private void writeRepositoryUUID(ExtendedDataOutputStream out, IRepository repository) throws IOException
{
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Writing repositoryUUID: {0}", repository.getUUID());
}
out.writeString(repository.getUUID());
}
private void writePackageURIs(ExtendedDataOutputStream out, CDOPackageManager packageManager) throws IOException
{
CDOPackage[] packages = packageManager.getPackages();
out.writeInt(packages.length);
for (CDOPackage p : packages)
{
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Writing package URI: {0}", p.getPackageURI());
}
out.writeString(p.getPackageURI());
}
}
}
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