diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java')
-rw-r--r-- | plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java | 328 |
1 files changed, 169 insertions, 159 deletions
diff --git a/plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java b/plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java index 5e5f39e4d9..837f33869a 100644 --- a/plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java +++ b/plugins/org.eclipse.net4j.jvm/src/org/eclipse/net4j/internal/jvm/JVMConnector.java @@ -1,159 +1,169 @@ -/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
- * Eike Stepper - initial API and implementation
- */
-package org.eclipse.net4j.internal.jvm;
-
-import org.eclipse.net4j.buffer.IBuffer;
-import org.eclipse.net4j.channel.ChannelException;
-import org.eclipse.net4j.internal.jvm.bundle.OM;
-import org.eclipse.net4j.internal.jvm.messages.Messages;
-import org.eclipse.net4j.jvm.IJVMConnector;
-import org.eclipse.net4j.protocol.IProtocol;
-import org.eclipse.net4j.util.om.trace.ContextTracer;
-import org.eclipse.net4j.util.security.INegotiationContext;
-
-import org.eclipse.spi.net4j.Connector;
-import org.eclipse.spi.net4j.InternalChannel;
-
-import java.util.Queue;
-
-/**
- * TODO Remove peer channels
- *
- * @author Eike Stepper
- */
-public abstract class JVMConnector extends Connector implements IJVMConnector
-{
- private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, JVMConnector.class);
-
- private JVMConnector peer;
-
- private String name;
-
- public JVMConnector()
- {
- }
-
- public String getName()
- {
- return name;
- }
-
- public void setName(String name)
- {
- this.name = name;
- }
-
- public JVMConnector getPeer()
- {
- return peer;
- }
-
- public void setPeer(JVMConnector peer)
- {
- this.peer = peer;
- }
-
- @Override
- public String getURL()
- {
- return "jvm://" + name; //$NON-NLS-1$
- }
-
- public void multiplexChannel(InternalChannel localChannel)
- {
- short channelID = localChannel.getID();
- InternalChannel peerChannel = peer.getChannel(channelID);
- if (peerChannel == null)
- {
- throw new IllegalStateException("peerChannel == null"); //$NON-NLS-1$
- }
-
- Queue<IBuffer> localQueue = localChannel.getSendQueue();
- IBuffer buffer = localQueue.poll();
- if (TRACER.isEnabled())
- {
- TRACER.trace("Multiplexing " + buffer.formatContent(true)); //$NON-NLS-1$
- }
-
- buffer.flip();
- peerChannel.handleBufferFromMultiplexer(buffer);
- }
-
- @Override
- protected INegotiationContext createNegotiationContext()
- {
- throw new UnsupportedOperationException();
- }
-
- @Override
- protected InternalChannel createChannel()
- {
- return new JVMChannel();
- }
-
- @Override
- protected void registerChannelWithPeer(short channelID, long timeoutIgnored, IProtocol<?> protocol)
- throws ChannelException
- {
- try
- {
- String protocolID = protocol == null ? null : protocol.getType();
- JVMChannel peerChannel = (JVMChannel)peer.inverseOpenChannel(channelID, protocolID);
- if (peerChannel == null)
- {
- throw new ChannelException(Messages.getString("JVMConnector.2")); //$NON-NLS-1$
- }
-
- JVMChannel c = (JVMChannel)getChannel(channelID);
- c.setPeer(peerChannel);
- peerChannel.setPeer(c);
- }
- catch (ChannelException ex)
- {
- throw ex;
- }
- catch (Exception ex)
- {
- throw new ChannelException(ex);
- }
- }
-
- @Override
- protected void deregisterChannelFromPeer(InternalChannel channel) throws ChannelException
- {
- try
- {
- getPeer().inverseCloseChannel(channel.getID());
- }
- catch (ChannelException ex)
- {
- throw ex;
- }
- catch (Exception ex)
- {
- throw new ChannelException(ex);
- }
- }
-
- @Override
- protected void doBeforeActivate() throws Exception
- {
- super.doBeforeActivate();
- checkState(name, "name"); //$NON-NLS-1$
- }
-
- @Override
- protected void doActivate() throws Exception
- {
- super.doActivate();
- leaveConnecting();
- }
-}
+/* + * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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: + * Eike Stepper - initial API and implementation + */ +package org.eclipse.net4j.internal.jvm; + +import org.eclipse.net4j.buffer.IBuffer; +import org.eclipse.net4j.channel.ChannelException; +import org.eclipse.net4j.internal.jvm.bundle.OM; +import org.eclipse.net4j.internal.jvm.messages.Messages; +import org.eclipse.net4j.jvm.IJVMConnector; +import org.eclipse.net4j.protocol.IProtocol; +import org.eclipse.net4j.util.om.trace.ContextTracer; +import org.eclipse.net4j.util.security.INegotiationContext; + +import org.eclipse.spi.net4j.Connector; +import org.eclipse.spi.net4j.InternalChannel; + +import java.nio.ByteBuffer; +import java.util.Queue; + +/** + * TODO Remove peer channels + * + * @author Eike Stepper + */ +public abstract class JVMConnector extends Connector implements IJVMConnector +{ + private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, JVMConnector.class); + + private JVMConnector peer; + + private String name; + + public JVMConnector() + { + } + + public String getName() + { + return name; + } + + public void setName(String name) + { + this.name = name; + } + + public JVMConnector getPeer() + { + return peer; + } + + public void setPeer(JVMConnector peer) + { + this.peer = peer; + } + + @Override + public String getURL() + { + return "jvm://" + name; //$NON-NLS-1$ + } + + public void multiplexChannel(InternalChannel localChannel) + { + short channelID = localChannel.getID(); + InternalChannel peerChannel = peer.getChannel(channelID); + if (peerChannel == null) + { + throw new IllegalStateException("peerChannel == null"); //$NON-NLS-1$ + } + + Queue<IBuffer> localQueue = localChannel.getSendQueue(); + IBuffer buffer = localQueue.poll(); + + ByteBuffer byteBuffer = buffer.getByteBuffer(); + if (byteBuffer.position() == IBuffer.HEADER_SIZE) + { + // Just release this empty buffer has been written + buffer.release(); + return; + } + + if (TRACER.isEnabled()) + { + TRACER.trace("Multiplexing " + buffer.formatContent(true)); //$NON-NLS-1$ + } + + buffer.flip(); + peerChannel.handleBufferFromMultiplexer(buffer); + } + + @Override + protected INegotiationContext createNegotiationContext() + { + throw new UnsupportedOperationException(); + } + + @Override + protected InternalChannel createChannel() + { + return new JVMChannel(); + } + + @Override + protected void registerChannelWithPeer(short channelID, long timeoutIgnored, IProtocol<?> protocol) + throws ChannelException + { + try + { + String protocolID = protocol == null ? null : protocol.getType(); + JVMChannel peerChannel = (JVMChannel)peer.inverseOpenChannel(channelID, protocolID); + if (peerChannel == null) + { + throw new ChannelException(Messages.getString("JVMConnector.2")); //$NON-NLS-1$ + } + + JVMChannel c = (JVMChannel)getChannel(channelID); + c.setPeer(peerChannel); + peerChannel.setPeer(c); + } + catch (ChannelException ex) + { + throw ex; + } + catch (Exception ex) + { + throw new ChannelException(ex); + } + } + + @Override + protected void deregisterChannelFromPeer(InternalChannel channel) throws ChannelException + { + try + { + getPeer().inverseCloseChannel(channel.getID()); + } + catch (ChannelException ex) + { + throw ex; + } + catch (Exception ex) + { + throw new ChannelException(ex); + } + } + + @Override + protected void doBeforeActivate() throws Exception + { + super.doBeforeActivate(); + checkState(name, "name"); //$NON-NLS-1$ + } + + @Override + protected void doActivate() throws Exception + { + super.doActivate(); + leaveConnecting(); + } +} |