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    • org.apache.mina.transport.vmpipe.VmPipeSession Maven / Gradle / Ivy

    /*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF 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.apache.mina.transport.vmpipe;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

import org.apache.mina.core.filterchain.IoFilterChain;
import org.apache.mina.core.service.DefaultTransportMetadata;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoProcessor;
import org.apache.mina.core.service.IoService;
import org.apache.mina.core.service.IoServiceListenerSupport;
import org.apache.mina.core.service.TransportMetadata;
import org.apache.mina.core.session.AbstractIoSession;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.core.write.WriteRequestQueue;

/**
 * A {@link IoSession} for in-VM transport (VM_PIPE).
 *
 * @author Apache MINA Project
 */
class VmPipeSession extends AbstractIoSession {

    static final TransportMetadata METADATA = new DefaultTransportMetadata("mina", "vmpipe", false, false,
            VmPipeAddress.class, VmPipeSessionConfig.class, Object.class);

    private final IoServiceListenerSupport serviceListeners;

    private final VmPipeAddress localAddress;

    private final VmPipeAddress remoteAddress;

    private final VmPipeAddress serviceAddress;

    private final VmPipeFilterChain filterChain;

    private final VmPipeSession remoteSession;

    private final Lock lock;

    final BlockingQueue receivedMessageQueue;

    /*
     * Constructor for client-side session.
     */
    VmPipeSession(IoService service, IoServiceListenerSupport serviceListeners, VmPipeAddress localAddress,
            IoHandler handler, VmPipe remoteEntry) {
        super(service);
        config = new DefaultVmPipeSessionConfig();
        this.serviceListeners = serviceListeners;
        lock = new ReentrantLock();
        this.localAddress = localAddress;
        remoteAddress = serviceAddress = remoteEntry.getAddress();
        filterChain = new VmPipeFilterChain(this);
        receivedMessageQueue = new LinkedBlockingQueue();

        remoteSession = new VmPipeSession(this, remoteEntry);
    }

    /*
     * Constructor for server-side session.
     */
    private VmPipeSession(VmPipeSession remoteSession, VmPipe entry) {
        super(entry.getAcceptor());
        config = new DefaultVmPipeSessionConfig();
        serviceListeners = entry.getListeners();
        lock = remoteSession.lock;
        localAddress = serviceAddress = remoteSession.remoteAddress;
        remoteAddress = remoteSession.localAddress;
        filterChain = new VmPipeFilterChain(this);
        this.remoteSession = remoteSession;
        receivedMessageQueue = new LinkedBlockingQueue();
    }

    @Override
    public IoProcessor getProcessor() {
        return filterChain.getProcessor();
    }

    IoServiceListenerSupport getServiceListeners() {
        return serviceListeners;
    }

    public VmPipeSessionConfig getConfig() {
        return (VmPipeSessionConfig) config;
    }

    public IoFilterChain getFilterChain() {
        return filterChain;
    }

    public VmPipeSession getRemoteSession() {
        return remoteSession;
    }

    public TransportMetadata getTransportMetadata() {
        return METADATA;
    }

    public VmPipeAddress getRemoteAddress() {
        return remoteAddress;
    }

    public VmPipeAddress getLocalAddress() {
        return localAddress;
    }

    @Override
    public VmPipeAddress getServiceAddress() {
        return serviceAddress;
    }

    void increaseWrittenBytes0(int increment, long currentTime) {
        super.increaseWrittenBytes(increment, currentTime);
    }

    WriteRequestQueue getWriteRequestQueue0() {
        return super.getWriteRequestQueue();
    }

    Lock getLock() {
        return lock;
    }
}
    
    
    
    

    




    
    
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