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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
NIOSynchChannel.java | 66.7% | 76.9% | 83.3% | 75% |
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/**
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*
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* Copyright 2004 Hiram Chirino
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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**/
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package org.activeio.net;
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import java.io.IOException;
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import java.net.SocketTimeoutException;
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import java.nio.ByteBuffer;
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import java.nio.channels.SocketChannel;
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import org.activeio.Packet;
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import org.activeio.SynchChannel;
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import org.activeio.SynchChannelServer;
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import org.activeio.Packet.ByteSequence;
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import org.activeio.packet.ByteBufferPacket;
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import org.activeio.packet.EOSPacket;
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import org.activeio.packet.EmptyPacket;
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/**
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* A {@see org.activeio.SynchChannel} implementation that uses a {@see java.nio.channels.SocketChannel}
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* to talk to the network.
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*
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* Using a SocketChannelSynchChannel should be more efficient than using a SocketSynchChannel since
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* direct ByteBuffer can be used to reduce the jvm overhead needed to copy byte[]s.
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*
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* @version $Revision$
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*/
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final public class NIOSynchChannel extends NIOBaseChannel implements SynchChannel { |
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private ByteBuffer inputByteBuffer;
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// private Packet data2;
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protected NIOSynchChannel(SocketChannel socketChannel) throws IOException { |
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this(socketChannel, true ); |
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} |
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protected NIOSynchChannel(SocketChannel socketChannel, boolean useDirect) throws IOException { |
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super(socketChannel, useDirect);
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} |
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public Packet read(long timeout) throws IOException { |
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try {
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if( timeout==SynchChannelServer.WAIT_FOREVER_TIMEOUT )
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setSoTimeout( 0 ); |
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else if( timeout==SynchChannelServer.NO_WAIT_TIMEOUT ) |
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setSoTimeout( 1 ); |
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else
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setSoTimeout( (int)timeout );
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if( inputByteBuffer==null || !inputByteBuffer.hasRemaining() ) { |
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inputByteBuffer = allocateBuffer(); |
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} |
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int size = socketChannel.read(inputByteBuffer);
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if( size == -1 )
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return EOSPacket.EOS_PACKET;
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73 | 2060 |
if( size == 0 )
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return EmptyPacket.EMPTY_PACKET;
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ByteBuffer remaining = inputByteBuffer.slice(); |
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Packet data = new ByteBufferPacket(((ByteBuffer)inputByteBuffer.flip()).slice());
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// Keep the remaining buffer around to fill with data.
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inputByteBuffer = remaining; |
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return data;
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} catch (SocketTimeoutException e) {
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84 | 0 |
return null; |
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} |
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} |
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public void write(Packet packet) throws IOException { |
89 | 2058 |
ByteBuffer data; |
90 | 2058 |
if( packet.getClass()==ByteBufferPacket.class ) { |
91 | 2058 |
data = ((ByteBufferPacket)packet).getByteBuffer(); |
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} else {
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93 | 0 |
ByteSequence sequence = packet.asByteSequence(); |
94 | 0 |
data = ByteBuffer.wrap(sequence.getData(), sequence.getOffset(), sequence.getLength()); |
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} |
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96 | 2058 |
socketChannel.write( data ); |
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} |
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99 | 24 |
public void start() throws IOException { |
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} |
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102 | 0 |
public void stop(long timeout) throws IOException { |
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} |
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} |
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