org.hornetq.amqp.test.minimalserver.MinimalSessionSPI.java Source code

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/*
 * Copyright 2005-2014 Red Hat, Inc.
 * Red Hat licenses this file to you 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 org.hornetq.amqp.test.minimalserver;

import java.util.concurrent.BlockingDeque;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import io.netty.buffer.ByteBuf;
import org.apache.qpid.proton.amqp.Binary;
import org.apache.qpid.proton.engine.Delivery;
import org.apache.qpid.proton.engine.Receiver;
import org.apache.qpid.proton.message.ProtonJMessage;
import org.hornetq.amqp.dealer.protonimpl.ProtonPlugSender;
import org.hornetq.amqp.dealer.protonimpl.ProtonSession;
import org.hornetq.amqp.dealer.protonimpl.server.ServerProtonSessionImpl;
import org.hornetq.amqp.dealer.spi.ProtonSessionSPI;
import org.hornetq.amqp.dealer.util.ProtonServerMessage;

/**
 * @author Clebert Suconic
 */

public class MinimalSessionSPI implements ProtonSessionSPI {

    String user;
    String password;
    boolean transacted;
    ServerProtonSessionImpl session;

    @Override
    public void init(ProtonSession session, String user, String passcode, boolean transacted) {
        this.session = (ServerProtonSessionImpl) session;
        this.user = user;
        this.password = passcode;
        this.transacted = transacted;
    }

    @Override
    public void start() {
    }

    static AtomicInteger tempQueueGenerator = new AtomicInteger(0);

    public String tempQueueName() {
        return "TempQueueName" + tempQueueGenerator.incrementAndGet();
    }

    @Override
    public Object createSender(ProtonPlugSender plugSender, String queue, String filer, boolean browserOnly) {
        Consumer consumer = new Consumer(DumbServer.getQueue(queue));
        return consumer;
    }

    @Override
    public void startSender(Object brokerConsumer) {
        ((Consumer) brokerConsumer).start();
    }

    @Override
    public void createTemporaryQueue(String queueName) {

    }

    @Override
    public void onFlowConsumer(Object consumer, int credits) {
    }

    @Override
    public boolean queueQuery(String queueName) {
        return true;
    }

    @Override
    public void closeSender(Object brokerConsumer) {
        ((Consumer) brokerConsumer).close();
    }

    @Override
    public ProtonJMessage encodeMessage(Object message, int deliveryCount) {
        // We are storing internally as EncodedMessage on this minimalserver server
        return (ProtonServerMessage) message;
    }

    @Override
    public Binary getCurrentTXID() {
        return new Binary(new byte[] { 1 });
    }

    @Override
    public void commitCurrentTX() {
    }

    @Override
    public void rollbackCurrentTX() {
    }

    @Override
    public void close() {

    }

    @Override
    public void ack(Object brokerConsumer, Object message) {

    }

    @Override
    public void cancel(Object brokerConsumer, Object message, boolean updateCounts) {

    }

    @Override
    public void resumeDelivery(Object consumer) {
        System.out.println("Resume delivery!!!");
        ((Consumer) consumer).start();
    }

    @Override
    public void serverSend(Receiver receiver, Delivery delivery, String address, int messageFormat,
            ByteBuf buffer) {
        ProtonServerMessage serverMessage = new ProtonServerMessage();
        serverMessage.decode(buffer.nioBuffer());

        BlockingDeque<Object> queue = DumbServer.getQueue(address);
        queue.add(serverMessage);
    }

    class Consumer {
        final BlockingDeque<Object> queue;

        Consumer(BlockingDeque<Object> queue) {
            this.queue = queue;
        }

        boolean running = false;
        volatile Thread thread;

        public void close() {
            System.out.println("Closing!!!");
            running = false;
            if (thread != null) {
                try {
                    thread.join();
                } catch (Throwable ignored) {
                }
            }

            thread = null;
        }

        public synchronized void start() {
            running = true;
            if (thread == null) {
                System.out.println("Start!!!");
                thread = new Thread() {
                    public void run() {
                        try {
                            while (running) {
                                Object msg = queue.poll(1, TimeUnit.SECONDS);

                                if (msg != null) {
                                    session.serverDelivery(msg, Consumer.this, 1);
                                }
                            }
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                };
                thread.start();
            }
        }

    }
}