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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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| 1 |
/**
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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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| 48 | 28 |
protected NIOSynchChannel(SocketChannel socketChannel) throws IOException { |
| 49 | 28 |
this(socketChannel, true ); |
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} |
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| 51 |
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| 52 | 28 |
protected NIOSynchChannel(SocketChannel socketChannel, boolean useDirect) throws IOException { |
| 53 | 28 |
super(socketChannel, useDirect);
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} |
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| 56 | 2064 |
public Packet read(long timeout) throws IOException { |
| 57 | 2064 |
try {
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| 58 |
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| 59 | 2064 |
if( timeout==SynchChannelServer.WAIT_FOREVER_TIMEOUT )
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| 60 | 0 |
setSoTimeout( 0 ); |
| 61 | 2064 |
else if( timeout==SynchChannelServer.NO_WAIT_TIMEOUT ) |
| 62 | 0 |
setSoTimeout( 1 ); |
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else
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| 64 | 2064 |
setSoTimeout( (int)timeout );
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| 66 | 2064 |
if( inputByteBuffer==null || !inputByteBuffer.hasRemaining() ) { |
| 67 | 14 |
inputByteBuffer = allocateBuffer(); |
| 68 |
} |
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| 70 | 2064 |
int size = socketChannel.read(inputByteBuffer);
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| 71 | 2064 |
if( size == -1 )
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| 72 | 4 |
return EOSPacket.EOS_PACKET;
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| 73 | 2060 |
if( size == 0 )
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| 74 | 0 |
return EmptyPacket.EMPTY_PACKET;
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| 76 | 2060 |
ByteBuffer remaining = inputByteBuffer.slice(); |
| 77 | 2060 |
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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| 80 | 2060 |
inputByteBuffer = remaining; |
| 81 | 2060 |
return data;
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| 82 |
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} catch (SocketTimeoutException e) {
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| 84 | 0 |
return null; |
| 85 |
} |
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} |
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| 87 |
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| 88 | 2058 |
public void write(Packet packet) throws IOException { |
| 89 | 2058 |
ByteBuffer data; |
| 90 | 2058 |
if( packet.getClass()==ByteBufferPacket.class ) { |
| 91 | 2058 |
data = ((ByteBufferPacket)packet).getByteBuffer(); |
| 92 |
} else {
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| 93 | 0 |
ByteSequence sequence = packet.asByteSequence(); |
| 94 | 0 |
data = ByteBuffer.wrap(sequence.getData(), sequence.getOffset(), sequence.getLength()); |
| 95 |
} |
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| 96 | 2058 |
socketChannel.write( data ); |
| 97 |
} |
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| 98 |
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| 99 | 24 |
public void start() throws IOException { |
| 100 |
} |
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| 101 |
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| 102 | 0 |
public void stop(long timeout) throws IOException { |
| 103 |
} |
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| 104 |
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| 105 |
} |
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