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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.net4j.tests;
import java.util.StringTokenizer;
/**
* @author Eike Stepper
*/
public final class HugeData
{
public static final String NL = System.getProperty("line.separator");
public static StringTokenizer getTokenizer()
{
return new StringTokenizer(getText(), NL);
}
public static String[] getArray()
{
return getText().split(NL);
}
public static byte[] getBytes()
{
return getText().getBytes();
}
public static String getText()
{
return "/***************************************************************************" + NL
+ " * Copyright (c) 2004-2007 Eike Stepper, Germany." + NL
+ " * All rights reserved. This program and the accompanying materials" + NL
+ " * are made available under the terms of the Eclipse Public License v1.0" + NL
+ " * which accompanies this distribution, and is available at" + NL
+ " * http://www.eclipse.org/legal/epl-v10.html" + NL + " * " + NL + " * Contributors:" + NL
+ " * Eike Stepper - initial API and implementation" + NL
+ " **************************************************************************/" + NL
+ "package org.eclipse.internal.net4j.transport.connector;" + NL + "" + NL
+ "import org.eclipse.net4j.transport.buffer.BufferProvider;" + NL
+ "import org.eclipse.net4j.transport.channel.Channel;" + NL
+ "import org.eclipse.net4j.transport.channel.Multiplexer;" + NL
+ "import org.eclipse.net4j.transport.connector.Connector;" + NL
+ "import org.eclipse.net4j.transport.connector.ConnectorException;" + NL
+ "import org.eclipse.net4j.transport.connector.Credentials;" + NL
+ "import org.eclipse.net4j.transport.connector.Protocol;" + NL
+ "import org.eclipse.net4j.transport.connector.ProtocolFactory;" + NL
+ "import org.eclipse.net4j.util.lifecycle.LifecycleListener;" + NL
+ "import org.eclipse.net4j.util.lifecycle.LifecycleNotifier;" + NL
+ "import org.eclipse.net4j.util.registry.IRegistry;" + NL + "" + NL
+ "import org.eclipse.internal.net4j.transport.channel.ChannelImpl;" + NL
+ "import org.eclipse.internal.net4j.util.stream.BufferQueue;" + NL
+ "import org.eclipse.internal.net4j.util.lifecycle.AbstractComponent;" + NL
+ "import org.eclipse.internal.net4j.util.lifecycle.LifecycleUtil;" + NL + "" + NL
+ "import java.util.ArrayList;" + NL + "import java.util.List;" + NL + "import java.util.Queue;" + NL
+ "import java.util.concurrent.ConcurrentLinkedQueue;" + NL + "import java.util.concurrent.CountDownLatch;"
+ NL + "import java.util.concurrent.ExecutorService;" + NL + "import java.util.concurrent.TimeUnit;" + NL + ""
+ NL + "/**" + NL + " * @author Eike Stepper" + NL + " */" + NL
+ "public abstract class AbstractConnector extends AbstractLifecycle implements Connector, ChannelMultiplexer"
+ NL + "{" + NL + " private static final ChannelImpl NULL_CHANNEL = new ChannelImpl(null);" + NL + "" + NL
+ " private ConnectorCredentials credentials;" + NL + "" + NL
+ " private IRegistry<String, ProtocolFactory> protocolFactoryRegistry;" + NL + "" + NL
+ " private BufferProvider bufferProvider;" + NL + "" + NL + " /**" + NL
+ " * An optional executor to be used by the {@link Channel}s to process their" + NL
+ " * {@link ChannelImpl#receiveQueue} instead of the current thread. If not" + NL
+ " * <code>null</code> the sender and the receiver peers become decoupled." + NL + " * <p>" + NL + " */"
+ NL + " private ExecutorService receiveExecutor;" + NL + "" + NL + " /**" + NL
+ " * TODO synchronize on channels?" + NL + " */" + NL
+ " private List<ChannelImpl> channels = new ArrayList();" + NL + "" + NL
+ " private State state = State.DISCONNECTED;" + NL + "" + NL + " /**" + NL
+ " * Don\'t initialize lazily to circumvent synchronization!" + NL + " */" + NL
+ " private Queue<StateListener> stateListeners = new ConcurrentLinkedQueue();" + NL + "" + NL + " /**" + NL
+ " * Don\'t initialize lazily to circumvent synchronization!" + NL + " */" + NL
+ " private Queue<ChannelListener> channelListeners = new ConcurrentLinkedQueue();" + NL + "" + NL + " /**"
+ NL + " * Is registered with each {@link Channel} of this {@link Connector}." + NL + " * <p>" + NL
+ " */" + NL + " private LifecycleListener channelLifecycleListener = new ChannelLifecycleListener();" + NL
+ "" + NL + " private CountDownLatch finishedConnecting;" + NL + "" + NL
+ " private CountDownLatch finishedNegotiating;" + NL + "" + NL + " public AbstractConnector()" + NL + " {"
+ NL + " }" + NL + "" + NL + " public ExecutorService getReceiveExecutor()" + NL + " {" + NL
+ " return receiveExecutor;" + NL + " }" + NL + "" + NL
+ " public void setReceiveExecutor(ExecutorService receiveExecutor)" + NL + " {" + NL
+ " this.receiveExecutor = receiveExecutor;" + NL + " }" + NL + "" + NL
+ " public IRegistry<String, ProtocolFactory> getProtocolFactoryRegistry()" + NL + " {" + NL
+ " return protocolFactoryRegistry;" + NL + " }" + NL + "" + NL
+ " public void setProtocolFactoryRegistry(IRegistry<String, ProtocolFactory> protocolFactoryRegistry)" + NL
+ " {" + NL + " this.protocolFactoryRegistry = protocolFactoryRegistry;" + NL + " }" + NL + "" + NL
+ " public void addStateListener(StateListener listener)" + NL + " {" + NL
+ " stateListeners.add(listener);" + NL + " }" + NL + "" + NL
+ " public void removeStateListener(StateListener listener)" + NL + " {" + NL
+ " stateListeners.remove(listener);" + NL + " }" + NL + "" + NL
+ " public void addChannelListener(ChannelListener listener)" + NL + " {" + NL
+ " channelListeners.add(listener);" + NL + " }" + NL + "" + NL
+ " public void removeChannelListener(ChannelListener listener)" + NL + " {" + NL
+ " channelListeners.remove(listener);" + NL + " }" + NL + "" + NL
+ " public BufferProvider getBufferProvider()" + NL + " {" + NL + " return bufferProvider;" + NL + " }"
+ NL + "" + NL + " public void setBufferProvider(BufferProvider bufferProvider)" + NL + " {" + NL
+ " this.bufferProvider = bufferProvider;" + NL + " }" + NL + "" + NL + " public boolean isClient()" + NL
+ " {" + NL + " return getType() == Type.CLIENT;" + NL + " }" + NL + "" + NL
+ " public boolean isServer()" + NL + " {" + NL + " return getType() == Type.SERVER;" + NL + " }" + NL
+ "" + NL + " public ConnectorCredentials getCredentials()" + NL + " {" + NL + " return credentials;" + NL
+ " }" + NL + "" + NL + " public void setCredentials(ConnectorCredentials credentials)" + NL + " {" + NL
+ " this.credentials = credentials;" + NL + " }" + NL + "" + NL + " public State getState()" + NL + " {"
+ NL + " return state;" + NL + " }" + NL + "" + NL
+ " public void setState(State newState) throws ConnectorException" + NL + " {" + NL
+ " State oldState = getState();" + NL + " if (newState != oldState)" + NL + " {" + NL
+ " System.out.println(toString() + \": Setting state \" + newState + \" (was \"" + NL
+ " + oldState.toString().toLowerCase() + \")\");" + NL + " state = newState;" + NL
+ " fireStateChanged(newState, oldState);" + NL + "" + NL + " switch (newState)" + NL + " {"
+ NL + " case DISCONNECTED:" + NL + " if (finishedConnecting != null)" + NL + " {" + NL
+ " finishedConnecting.countDown();" + NL + " finishedConnecting = null;" + NL + " }"
+ NL + "" + NL + " if (finishedNegotiating != null)" + NL + " {" + NL
+ " finishedNegotiating.countDown();" + NL + " finishedNegotiating = null;" + NL
+ " }" + NL + " break;" + NL + "" + NL + " case CONNECTING:" + NL
+ " finishedConnecting = new CountDownLatch(1);" + NL
+ " finishedNegotiating = new CountDownLatch(1);" + NL + " if (getType() == Type.SERVER)" + NL
+ " {" + NL + " setState(State.NEGOTIATING);" + NL + " }" + NL + " break;" + NL
+ "" + NL + " case NEGOTIATING:" + NL + " finishedConnecting.countDown();" + NL
+ " setState(State.CONNECTED); // TODO Implement negotiation" + NL + " break;" + NL + "" + NL
+ " case CONNECTED:" + NL + " finishedConnecting.countDown(); // Just in case of suspicion" + NL
+ " finishedNegotiating.countDown();" + NL + " break;" + NL + "" + NL + " }" + NL + " }"
+ NL + " }" + NL + "" + NL + " public boolean isConnected()" + NL + " {" + NL
+ " return getState() == State.CONNECTED;" + NL + " }" + NL + "" + NL
+ " public void connectAsync() throws ConnectorException" + NL + " {" + NL + " try" + NL + " {" + NL
+ " activate();" + NL + " }" + NL + " catch (ConnectorException ex)" + NL + " {" + NL
+ " throw ex;" + NL + " }" + NL + " catch (Exception ex)" + NL + " {" + NL
+ " throw new ConnectorException(ex);" + NL + " }" + NL + " }" + NL + "" + NL
+ " public boolean waitForConnection(long timeout) throws ConnectorException" + NL + " {" + NL
+ " State state = getState();" + NL + " if (state == State.DISCONNECTED)" + NL + " {" + NL
+ " return false;" + NL + " }" + NL + "" + NL + " try" + NL + " {" + NL
+ " System.out.println(toString() + \": Waiting for connection...\");" + NL
+ " return finishedNegotiating.await(timeout, TimeUnit.MILLISECONDS);" + NL + " }" + NL
+ " catch (InterruptedException ex)" + NL + " {" + NL + " return false;" + NL + " }" + NL + " }"
+ NL + "" + NL + " public boolean connect(long timeout) throws ConnectorException" + NL + " {" + NL
+ " connectAsync();" + NL + " return waitForConnection(timeout);" + NL + " }" + NL + "" + NL
+ " public ConnectorException disconnect()" + NL + " {" + NL + " Exception ex = deactivate();" + NL
+ " if (ex == null)" + NL + " {" + NL + " return null;" + NL + " }" + NL + "" + NL
+ " if (ex instanceof ConnectorException)" + NL + " {" + NL + " return (ConnectorException)ex;" + NL
+ " }" + NL + "" + NL + " return new ConnectorException(ex);" + NL + " }" + NL + "" + NL
+ " public Channel[] getChannels()" + NL + " {" + NL
+ " final List<Channel> result = new ArrayList<Channel>();" + NL + " synchronized (channels)" + NL
+ " {" + NL + " for (final ChannelImpl channel : channels)" + NL + " {" + NL
+ " if (channel != NULL_CHANNEL)" + NL + " {" + NL + " result.add(channel);" + NL
+ " }" + NL + " }" + NL + " }" + NL + "" + NL
+ " return result.toArray(new Channel[result.size()]);" + NL + " }" + NL + "" + NL
+ " public Channel openChannel() throws ConnectorException" + NL + " {" + NL
+ " return openChannel(null);" + NL + " }" + NL + "" + NL
+ " public Channel openChannel(String protocolID) throws ConnectorException" + NL + " {" + NL
+ " short channelIndex = findFreeChannelIndex();" + NL
+ " ChannelImpl channel = createChannel(channelIndex, protocolID);" + NL
+ " registerChannelWithPeer(channelIndex, protocolID);" + NL + "" + NL + " try" + NL + " {" + NL
+ " channel.activate();" + NL + " }" + NL + " catch (ConnectorException ex)" + NL + " {" + NL
+ " throw ex;" + NL + " }" + NL + " catch (Exception ex)" + NL + " {" + NL
+ " throw new ConnectorException(ex);" + NL + " }" + NL + "" + NL + " return channel;" + NL + " }"
+ NL + "" + NL + " public ChannelImpl createChannel(short channelIndex, String protocolID)" + NL + " {" + NL
+ " Protocol protocol = createProtocol(protocolID);" + NL + " if (protocol == null)" + NL + " {" + NL
+ " System.out.println(toString() + \": Opening channel without protocol\");" + NL + " }" + NL
+ " else" + NL + " {" + NL
+ " System.out.println(toString() + \": Opening channel with protocol \" + protocolID);" + NL + " }"
+ NL + "" + NL + " ChannelImpl channel = new ChannelImpl(receiveExecutor);" + NL
+ " channel.setChannelIndex(channelIndex);" + NL + " channel.setMultiplexer(this);" + NL
+ " channel.setReceiveHandler(protocol);" + NL
+ " channel.addLifecycleListener(channelLifecycleListener);" + NL + " addChannel(channel);" + NL
+ " return channel;" + NL + " }" + NL + "" + NL + " public ChannelImpl getChannel(short channelIndex)"
+ NL + " {" + NL + " try" + NL + " {" + NL + " ChannelImpl channel = channels.get(channelIndex);"
+ NL + " if (channel == null || channel == NULL_CHANNEL)" + NL + " {" + NL
+ " throw new NullPointerException();" + NL + " }" + NL + "" + NL + " return channel;" + NL
+ " }" + NL + " catch (IndexOutOfBoundsException ex)" + NL + " {" + NL
+ " System.out.println(toString() + \": Invalid channelIndex \" + channelIndex);" + NL
+ " return null;" + NL + " }" + NL + " }" + NL + "" + NL
+ " protected List<BufferQueue> getChannelBufferQueues()" + NL + " {" + NL
+ " final List<BufferQueue> result = new ArrayList<BufferQueue>();" + NL + " synchronized (channels)"
+ NL + " {" + NL + " for (final ChannelImpl channel : channels)" + NL + " {" + NL
+ " if (channel != NULL_CHANNEL)" + NL + " {" + NL
+ " BufferQueue bufferQueue = channel.getSendQueue();" + NL + " result.add(bufferQueue);"
+ NL + " }" + NL + " }" + NL + " }" + NL + "" + NL + " return result;" + NL + " }" + NL + ""
+ NL + " protected short findFreeChannelIndex()" + NL + " {" + NL + " synchronized (channels)" + NL
+ " {" + NL + " int size = channels.size();" + NL + " for (short i = 0; i < size; i++)" + NL
+ " {" + NL + " if (channels.get(i) == NULL_CHANNEL)" + NL + " {" + NL
+ " return i;" + NL + " }" + NL + " }" + NL + "" + NL
+ " channels.add(NULL_CHANNEL);" + NL + " return (short)size;" + NL + " }" + NL + " }" + NL + ""
+ NL + " protected void addChannel(ChannelImpl channel)" + NL + " {" + NL
+ " short channelIndex = channel.getChannelIndex();" + NL + " while (channelIndex >= channels.size())"
+ NL + " {" + NL + " channels.add(NULL_CHANNEL);" + NL + " }" + NL + "" + NL
+ " channels.set(channelIndex, channel);" + NL + " }" + NL + "" + NL
+ " protected void removeChannel(ChannelImpl channel)" + NL + " {" + NL
+ " channel.removeLifecycleListener(channelLifecycleListener);" + NL
+ " int channelIndex = channel.getChannelIndex();" + NL + "" + NL
+ " System.out.println(toString() + \": Removing channel \" + channelIndex);" + NL
+ " channels.set(channelIndex, NULL_CHANNEL);" + NL + " }" + NL + "" + NL
+ " protected Protocol createProtocol(String protocolID)" + NL + " {" + NL
+ " if (protocolID == null || protocolID.length() == 0)" + NL + " {" + NL + " return null;" + NL
+ " }" + NL + "" + NL + " IRegistry<String, ProtocolFactory> registry = getProtocolFactoryRegistry();"
+ NL + " if (registry == null)" + NL + " {" + NL + " return null;" + NL + " }" + NL + "" + NL
+ " ProtocolFactory factory = registry.lookup(protocolID);" + NL + " if (factory == null)" + NL + " {"
+ NL + " return null;" + NL + " }" + NL + "" + NL
+ " System.out.println(toString() + \": Creating protocol \" + protocolID);" + NL
+ " return factory.createProtocol();" + NL + " }" + NL + "" + NL
+ " protected void fireChannelOpened(Channel channel)" + NL + " {" + NL
+ " for (ChannelListener listener : channelListeners)" + NL + " {" + NL + " try" + NL + " {"
+ NL + " listener.notifyChannelOpened(channel);" + NL + " }" + NL + " catch (Exception ex)"
+ NL + " {" + NL + " ex.printStackTrace();" + NL + " }" + NL + " }" + NL + " }" + NL + ""
+ NL + " protected void fireChannelClosing(Channel channel)" + NL + " {" + NL
+ " for (ChannelListener listener : channelListeners)" + NL + " {" + NL + " try" + NL + " {"
+ NL + " listener.notifyChannelClosing(channel);" + NL + " }" + NL + " catch (Exception ex)"
+ NL + " {" + NL + " ex.printStackTrace();" + NL + " }" + NL + " }" + NL + " }" + NL + ""
+ NL + " protected void fireStateChanged(State newState, State oldState)" + NL + " {" + NL
+ " for (StateListener listener : stateListeners)" + NL + " {" + NL + " try" + NL + " {" + NL
+ " listener.notifyStateChanged(this, newState, oldState);" + NL + " }" + NL
+ " catch (Exception ex)" + NL + " {" + NL + " ex.printStackTrace();" + NL + " }" + NL
+ " }" + NL + " }" + NL + "" + NL + " @Override" + NL
+ " protected void onAccessBeforeActivate() throws Exception" + NL + " {" + NL
+ " super.onAccessBeforeActivate();" + NL + " if (bufferProvider == null)" + NL + " {" + NL
+ " throw new IllegalStateException(\"bufferProvider == null\");" + NL + " }" + NL + "" + NL
+ " if (protocolFactoryRegistry == null)" + NL + " {" + NL
+ " System.out.println(toString() + \": (INFO) protocolFactoryRegistry == null\");" + NL + " }" + NL
+ "" + NL + " if (receiveExecutor == null)" + NL + " {" + NL
+ " System.out.println(toString() + \": (INFO) receiveExecutor == null\");" + NL + " }" + NL + " }"
+ NL + "" + NL + " @Override" + NL + " protected void onActivate() throws Exception" + NL + " {" + NL
+ " super.onActivate();" + NL + " setState(State.CONNECTING);" + NL + " }" + NL + "" + NL
+ " @Override" + NL + " protected void onDeactivate() throws Exception" + NL + " {" + NL
+ " setState(State.DISCONNECTED);" + NL + " for (short i = 0; i < channels.size(); i++)" + NL + " {"
+ NL + " ChannelImpl channel = channels.get(i);" + NL + " if (channel != null)" + NL + " {" + NL
+ " LifecycleUtil.deactivate(channel);" + NL + " }" + NL + " }" + NL + "" + NL
+ " channels.clear();" + NL + " super.onDeactivate();" + NL + " }" + NL + "" + NL
+ " protected abstract void registerChannelWithPeer(short channelIndex, String protocolID)" + NL
+ " throws ConnectorException;" + NL + "" + NL + " /**" + NL
+ " * Is registered with each {@link Channel} of this {@link Connector}." + NL + " * <p>" + NL + " * "
+ NL + " * @author Eike Stepper" + NL + " */" + NL
+ " private final class ChannelLifecycleListener implements LifecycleListener" + NL + " {" + NL
+ " public void notifyLifecycleActivated(LifecycleNotifier notifier)" + NL + " {" + NL
+ " ChannelImpl channel = (ChannelImpl)notifier;" + NL + " fireChannelOpened(channel);" + NL
+ " }" + NL + "" + NL + " public void notifyLifecycleDeactivating(LifecycleNotifier notifier)" + NL
+ " {" + NL + " ChannelImpl channel = (ChannelImpl)notifier;" + NL
+ " fireChannelClosing(channel);" + NL + " removeChannel(channel);" + NL + " }" + NL + " }" + NL
+ "}" + NL;
}
}
|
