/*
    *  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 <a href="http://mina.apache.org">Apache MINA Project</a>
   */
  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;
  
      /** Package protected*/ final BlockingQueue<Object> 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<Object>();
  
          remoteSession = new VmPipeSession(this, remoteEntry);
      }
  
      /*
       * Constructor for server-side session.
       */
      private VmPipeSessionf="../../../../../org/apache/mina/transport/vmpipe/VmPipeSession.html#VmPipeSession">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<Object>();
      }
  
      @Override
      public IoProcessor<VmPipeSession> 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;
     }
 }