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package org.activeio.net;
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import java.io.IOException;
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import java.io.InterruptedIOException;
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import java.net.InetAddress;
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import java.net.Socket;
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import java.net.SocketAddress;
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import java.net.SocketException;
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import java.nio.ByteBuffer;
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import org.activeio.AsynchChannel;
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import org.activeio.AsynchChannelListener;
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import org.activeio.Packet;
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import org.activeio.packet.ByteBufferPacket;
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import org.activeio.packet.EOSPacket;
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import EDU.oswego.cs.dl.util.concurrent.Latch;
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import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean;
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import com.ibm.io.async.AsyncSocketChannel;
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import com.ibm.io.async.IAbstractAsyncFuture;
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import com.ibm.io.async.IAsyncFuture;
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import com.ibm.io.async.ICompletionListener;
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final public class AIOAsynchChannel implements AsynchChannel, ICompletionListener, SocketMetadata {
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protected static final int DEFAULT_BUFFER_SIZE = ByteBufferPacket.DEFAULT_DIRECT_BUFFER_SIZE;
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private final AsyncSocketChannel socketChannel;
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private final Socket socket;
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private AsynchChannelListener channelListener;
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private ByteBuffer inputByteBuffer;
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private final SynchronizedBoolean running = new SynchronizedBoolean(false);
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private Latch doneLatch;
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protected AIOAsynchChannel(AsyncSocketChannel socketChannel) throws IOException {
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this.socketChannel = socketChannel;
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this.socket = socketChannel.socket();
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this.socket.setSendBufferSize(DEFAULT_BUFFER_SIZE);
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this.socket.setReceiveBufferSize(DEFAULT_BUFFER_SIZE);
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this.socket.setSoTimeout(0);
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}
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private ByteBuffer allocateBuffer() {
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return ByteBuffer.allocateDirect(DEFAULT_BUFFER_SIZE);
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}
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public void setAsynchChannelListener(AsynchChannelListener channelListener) {
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this.channelListener = channelListener;
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}
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public AsynchChannelListener getAsynchChannelListener() {
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return channelListener;
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}
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public Object narrow(Class target) {
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if( target.isAssignableFrom(getClass()) ) {
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return this;
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}
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return null;
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}
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public void dispose() {
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if( running.get() && channelListener!=null ) {
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channelListener.onPacketError(new SocketException("Socket closed."));
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}
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try {
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stop(NO_WAIT_TIMEOUT);
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} catch (IOException e) {
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}
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try {
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socketChannel.close();
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} catch (IOException e) {
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}
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}
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public void start() throws IOException {
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if( running.commit(false, true) ) {
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doneLatch = new Latch();
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requestNextRead();
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}
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}
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public void stop(long timeout) throws IOException {
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if( running.commit(true, false) ) {
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try {
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if( timeout == NO_WAIT_TIMEOUT ) {
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doneLatch.attempt(0);
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} else if( timeout == WAIT_FOREVER_TIMEOUT ) {
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doneLatch.acquire();
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} else {
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doneLatch.attempt(timeout);
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}
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} catch (InterruptedException e) {
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throw new InterruptedIOException();
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}
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}
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}
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public void write(Packet packet) throws IOException {
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ByteBuffer data = ((ByteBufferPacket)packet).getByteBuffer();
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while( data.hasRemaining() ) {
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IAsyncFuture future = socketChannel.write(data);
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try {
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future.getByteCount();
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} catch (InterruptedException e) {
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throw new InterruptedIOException();
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}
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}
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}
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public void flush() throws IOException {
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}
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public void futureCompleted(IAbstractAsyncFuture abstractFuture, Object attribute) {
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IAsyncFuture future = (IAsyncFuture)abstractFuture;
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try {
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if( inputByteBuffer.position()>0 ) {
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ByteBuffer remaining = inputByteBuffer.slice();
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Packet data = new ByteBufferPacket(((ByteBuffer)inputByteBuffer.flip()).slice());
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channelListener.onPacket(data);
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inputByteBuffer = remaining;
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requestNextRead();
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} else {
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channelListener.onPacket(EOSPacket.EOS_PACKET);
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}
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} catch (IOException e) {
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channelListener.onPacketError(e);
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}
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}
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0
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private void requestNextRead() throws InterruptedIOException {
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0
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if( !running.get() ) {
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0
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doneLatch.release();
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return;
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}
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0
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try {
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0
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if( inputByteBuffer==null || !inputByteBuffer.hasRemaining() ) {
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inputByteBuffer = allocateBuffer();
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}
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174
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0
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IAsyncFuture future = socketChannel.read(inputByteBuffer);
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future.addCompletionListener(this, null, false);
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} catch (InterruptedException e) {
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throw new InterruptedIOException();
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}
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}
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public InetAddress getInetAddress() {
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return socket.getInetAddress();
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}
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public boolean getKeepAlive() throws SocketException {
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0
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return socket.getKeepAlive();
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}
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0
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public InetAddress getLocalAddress() {
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0
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return socket.getLocalAddress();
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}
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192
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0
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public int getLocalPort() {
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193
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0
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return socket.getLocalPort();
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}
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195
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0
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public SocketAddress getLocalSocketAddress() {
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0
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return socket.getLocalSocketAddress();
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}
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198
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0
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public boolean getOOBInline() throws SocketException {
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199
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0
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return socket.getOOBInline();
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200
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}
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201
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0
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public int getPort() {
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202
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0
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return socket.getPort();
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203
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}
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204
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0
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public int getReceiveBufferSize() throws SocketException {
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205
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0
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return socket.getReceiveBufferSize();
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206
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}
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207
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0
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public SocketAddress getRemoteSocketAddress() {
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208
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0
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return socket.getRemoteSocketAddress();
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209
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}
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210
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0
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public boolean getReuseAddress() throws SocketException {
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211
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0
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return socket.getReuseAddress();
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212
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}
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213
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0
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public int getSendBufferSize() throws SocketException {
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214
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0
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return socket.getSendBufferSize();
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215
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}
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216
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0
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public int getSoLinger() throws SocketException {
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217
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0
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return socket.getSoLinger();
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218
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}
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219
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0
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public int getSoTimeout() throws SocketException {
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220
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0
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return socket.getSoTimeout();
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221
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}
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222
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0
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public boolean getTcpNoDelay() throws SocketException {
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223
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0
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return socket.getTcpNoDelay();
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224
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}
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225
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0
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public int getTrafficClass() throws SocketException {
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226
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0
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return socket.getTrafficClass();
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227
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}
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228
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0
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public boolean isBound() {
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229
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0
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return socket.isBound();
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230
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}
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231
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0
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public boolean isClosed() {
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232
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0
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return socket.isClosed();
|
233
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}
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234
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0
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public boolean isConnected() {
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235
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0
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return socket.isConnected();
|
236
|
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}
|
237
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0
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public void setKeepAlive(boolean on) throws SocketException {
|
238
|
0
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socket.setKeepAlive(on);
|
239
|
|
}
|
240
|
0
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public void setOOBInline(boolean on) throws SocketException {
|
241
|
0
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socket.setOOBInline(on);
|
242
|
|
}
|
243
|
0
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public void setReceiveBufferSize(int size) throws SocketException {
|
244
|
0
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socket.setReceiveBufferSize(size);
|
245
|
|
}
|
246
|
0
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public void setReuseAddress(boolean on) throws SocketException {
|
247
|
0
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socket.setReuseAddress(on);
|
248
|
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}
|
249
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0
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public void setSendBufferSize(int size) throws SocketException {
|
250
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0
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socket.setSendBufferSize(size);
|
251
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}
|
252
|
0
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public void setSoLinger(boolean on, int linger) throws SocketException {
|
253
|
0
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socket.setSoLinger(on, linger);
|
254
|
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}
|
255
|
0
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public void setTcpNoDelay(boolean on) throws SocketException {
|
256
|
0
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socket.setTcpNoDelay(on);
|
257
|
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}
|
258
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0
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public void setTrafficClass(int tc) throws SocketException {
|
259
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0
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socket.setTrafficClass(tc);
|
260
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}
|
261
|
0
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public String toString() {
|
262
|
0
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return "AIO Connection: "+getLocalSocketAddress()+" -> "+getRemoteSocketAddress();
|
263
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}
|
264
|
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}
|