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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package io.undertow.client.ajp;

import io.undertow.UndertowOptions;
import io.undertow.client.ClientCallback;
import io.undertow.client.ClientConnection;
import io.undertow.client.ClientProvider;
import io.undertow.client.ClientStatistics;
import io.undertow.conduits.ByteActivityCallback;
import io.undertow.conduits.BytesReceivedStreamSourceConduit;
import io.undertow.conduits.BytesSentStreamSinkConduit;
import io.undertow.protocols.ajp.AjpClientChannel;

import org.xnio.ChannelListener;
import org.xnio.IoFuture;
import org.xnio.OptionMap;
import io.undertow.connector.ByteBufferPool;
import org.xnio.StreamConnection;
import org.xnio.XnioIoThread;
import org.xnio.XnioWorker;
import org.xnio.ssl.XnioSsl;

import java.net.InetSocketAddress;
import java.net.URI;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * @author Stuart Douglas
 */
public class AjpClientProvider implements ClientProvider {

    @Override
    public Set handlesSchemes() {
        return new HashSet<>(Arrays.asList(new String[]{"ajp"}));
    }

    @Override
    public void connect(final ClientCallback listener, final URI uri, final XnioWorker worker, final XnioSsl ssl, final ByteBufferPool bufferPool, final OptionMap options) {
        connect(listener, null, uri, worker, ssl, bufferPool, options);
    }

    @Override
    public void connect(final ClientCallback listener, final URI uri, final XnioIoThread ioThread, final XnioSsl ssl, final ByteBufferPool bufferPool, final OptionMap options) {
        connect(listener, null, uri, ioThread, ssl, bufferPool, options);
    }

    @Override
    public void connect(final ClientCallback listener, InetSocketAddress bindAddress, final URI uri, final XnioWorker worker, final XnioSsl ssl, final ByteBufferPool bufferPool, final OptionMap options) {
        ChannelListener openListener = new ChannelListener() {
            @Override
            public void handleEvent(StreamConnection connection) {
                handleConnected(connection, listener, uri, ssl, bufferPool, options);
            }
        };
        IoFuture.Notifier notifier = new IoFuture.Notifier() {
            @Override
            public void notify(IoFuture ioFuture, Object o) {
                if (ioFuture.getStatus() == IoFuture.Status.FAILED) {
                    listener.failed(ioFuture.getException());
                }
            }
        };
        if(bindAddress == null) {
            worker.openStreamConnection(new InetSocketAddress(uri.getHost(), uri.getPort() == -1 ? 8009 : uri.getPort()), openListener, options).addNotifier(notifier, null);
        } else {
            worker.openStreamConnection(bindAddress, new InetSocketAddress(uri.getHost(), uri.getPort() == -1 ? 8009 : uri.getPort()), openListener, null, options).addNotifier(notifier, null);
        }
    }

    @Override
    public void connect(final ClientCallback listener, InetSocketAddress bindAddress,final URI uri, final XnioIoThread ioThread, final XnioSsl ssl, final ByteBufferPool bufferPool, final OptionMap options) {
        ChannelListener openListener = new ChannelListener() {
            @Override
            public void handleEvent(StreamConnection connection) {
                handleConnected(connection, listener, uri, ssl, bufferPool, options);
            }
        };
        IoFuture.Notifier notifier = new IoFuture.Notifier() {
            @Override
            public void notify(IoFuture ioFuture, Object o) {
                if (ioFuture.getStatus() == IoFuture.Status.FAILED) {
                    listener.failed(ioFuture.getException());
                }
            }
        };
        if(bindAddress == null) {
            ioThread.openStreamConnection(new InetSocketAddress(uri.getHost(), uri.getPort() == -1 ? 8009 : uri.getPort()), openListener, options).addNotifier(notifier, null);
        } else {
            ioThread.openStreamConnection(bindAddress, new InetSocketAddress(uri.getHost(), uri.getPort() == -1 ? 8009 : uri.getPort()), openListener, null, options).addNotifier(notifier, null);
        }
    }

    private void handleConnected(StreamConnection connection, ClientCallback listener, URI uri, XnioSsl ssl, ByteBufferPool bufferPool, OptionMap options) {

        final ClientStatisticsImpl clientStatistics;
        //first we set up statistics, if required
        if (options.get(UndertowOptions.ENABLE_STATISTICS, false)) {
            clientStatistics = new ClientStatisticsImpl();
            connection.getSinkChannel().setConduit(new BytesSentStreamSinkConduit(connection.getSinkChannel().getConduit(), new ByteActivityCallback() {
                @Override
                public void activity(long bytes) {
                    clientStatistics.written += bytes;
                }
            }));
            connection.getSourceChannel().setConduit(new BytesReceivedStreamSourceConduit(connection.getSourceChannel().getConduit(), new ByteActivityCallback() {
                @Override
                public void activity(long bytes) {
                    clientStatistics.read += bytes;
                }
            }));
        } else {
            clientStatistics = null;
        }

        listener.completed(new AjpClientConnection(new AjpClientChannel(connection, bufferPool, options), options, bufferPool, clientStatistics));
    }


    private static class ClientStatisticsImpl implements ClientStatistics {
        private long requestCount, read, written;
        @Override
        public long getRequests() {
            return requestCount;
        }

        @Override
        public long getRead() {
            return read;
        }

        @Override
        public long getWritten() {
            return written;
        }

        @Override
        public void reset() {
            read = 0;
            written = 0;
            requestCount = 0;
        }
    }
}




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