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package com.sun.xml.ws.transport.tcp.io;
import com.sun.xml.ws.transport.tcp.pool.ByteBufferStreamPool;
import com.sun.xml.ws.transport.tcp.resources.MessagesMessages;
import com.sun.xml.ws.transport.tcp.util.ByteBufferFactory;
import com.sun.xml.ws.transport.tcp.util.FrameType;
import com.sun.xml.ws.transport.tcp.util.TCPConstants;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.ref.WeakReference;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author Alexey Stashok
*/
public final class Connection {
private static final Logger logger = Logger.getLogger(
com.sun.xml.ws.transport.tcp.util.TCPConstants.LoggingDomain);
private static ByteBufferStreamPool<FramedMessageInputStream> byteBufferInputStreamPool =
new ByteBufferStreamPool<FramedMessageInputStream>(FramedMessageInputStream.class);
private static ByteBufferStreamPool<FramedMessageOutputStream> byteBufferOutputStreamPool =
new ByteBufferStreamPool<FramedMessageOutputStream>(FramedMessageOutputStream.class);
private SocketChannel socketChannel;
private WeakReference<BufferedMessageInputStream> inputStreamRef;
private FramedMessageInputStream inputStream;
private FramedMessageOutputStream outputStream;
/** is message framed or direct mode is used */
private boolean isDirectMode;
private int messageId;
private int channelId;
private int contentId;
public Connection(final SocketChannel socketChannel) {
inputStream = byteBufferInputStreamPool.take();
outputStream = byteBufferOutputStreamPool.take();
setSocketChannel(socketChannel);
}
public SocketChannel getSocketChannel() {
return socketChannel;
}
public void setSocketChannel(final SocketChannel socketChannel) {
this.socketChannel = socketChannel;
inputStream.setSocketChannel(socketChannel);
outputStream.setSocketChannel(socketChannel);
}
/*
* Method should be called each time InputStream is used for new message reading!!!
*/
public void prepareForReading() throws IOException {
if (inputStreamRef != null) {
final BufferedMessageInputStream is = inputStreamRef.get();
// if InputStream is used by some lazy reader - buffer message
if (inputStream.isMessageInProcess() && is != null && !is.isClosed()) {
is.bufferMessage();
logger.log(Level.FINEST, MessagesMessages.WSTCP_1050_CONNECTION_BUFFERING_IS(is.getBufferedSize()));
}
}
// double check input stream doesnt have earlier read message
if (inputStream.isMessageInProcess()) {
inputStream.skipToEndOfMessage();
}
inputStream.reset();
outputStream.reset();
inputStream.forceHeaderRead();
channelId = inputStream.getChannelId();
messageId = inputStream.getMessageId();
if (FrameType.isFrameContainsParams(messageId)) {
contentId = inputStream.getContentId();
}
}
/*
* Method should be called <b>once</b> each time for new message reading!!!
* prepareForReading() should be called before!
*/
public InputStream openInputStream() throws IOException {
final BufferedMessageInputStream is = new BufferedMessageInputStream(inputStream);
inputStreamRef = new WeakReference<BufferedMessageInputStream>(is);
return is;
}
public OutputStream openOutputStream() {
outputStream.setChannelId(channelId);
outputStream.setMessageId(messageId);
outputStream.setContentId(contentId);
return outputStream;
}
public void flush() throws IOException {
outputStream.flushLast();
}
public boolean isDirectMode() {
return isDirectMode;
}
public void setDirectMode(final boolean isDirectMode) {
this.isDirectMode = isDirectMode;
inputStream.setDirectMode(isDirectMode);
outputStream.setDirectMode(isDirectMode);
}
/**
* Get channel id
*/
public int getChannelId() {
return channelId;
}
/**
* Set channel id
*/
public void setChannelId(final int channelId) {
this.channelId = channelId;
}
/**
* Get request/response messageId of 1st frame
*/
public int getMessageId() {
return messageId;
}
/**
* Set request/response messageId of 1st frame
*/
public void setMessageId(final int messageId) {
this.messageId = messageId;
}
/**
* Get request/response contentId
*/
public int getContentId() {
return contentId;
}
/**
* Set request/response contentId
*/
public void setContentId(final int contentId) {
this.contentId = contentId;
}
/**
* Get request content properties
*/
public Map<Integer, String> getContentProperties() {
return inputStream.getContentProperties();
}
/**
* Set response content properties
*/
public void setContentProperty(int key, String value) {
outputStream.setContentProperty(key, value);
}
/**
* Set messageBuffer for InputStream
* some message part could be preread before
*/
public void setInputStreamByteBuffer(final ByteBuffer messageBuffer) {
inputStream.setByteBuffer(messageBuffer);
}
public void close() throws IOException {
if (inputStream != null) {
byteBufferInputStreamPool.release(inputStream);
inputStream = null;
}
if (outputStream != null) {
byteBufferOutputStreamPool.release(outputStream);
outputStream = null;
}
socketChannel.close();
}
public static Connection create(final String host, final int port) throws IOException {
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, MessagesMessages.WSTCP_1051_CONNECTION_OPEN_TCP_SOCKET(host, port));
}
final SocketChannel socketChannel = SocketChannel.open();
final Socket socket = socketChannel.socket();
socket.connect(new InetSocketAddress(host, port));
socketChannel.configureBlocking(false);
final Connection connection = new Connection(socketChannel);
final ByteBuffer byteBuffer = ByteBufferFactory.allocateView(TCPConstants.DEFAULT_FRAME_SIZE, TCPConstants.DEFAULT_USE_DIRECT_BUFFER);
byteBuffer.position(0);
byteBuffer.limit(0);
connection.setInputStreamByteBuffer(byteBuffer);
return connection;
}
protected void finalize() throws Throwable {
close();
super.finalize();
}
public String getHost() {
return getHost(socketChannel);
}
public int getPort() {
return getPort(socketChannel);
}
public String getLocalHost() {
return getLocalHost(socketChannel);
}
public int getLocalPort() {
return getLocalPort(socketChannel);
}
public String toString() {
return "host: " + getHost() + " port: " + getPort();
}
public static String getHost(final SocketChannel socketChannel) {
return socketChannel.socket().getInetAddress().getHostAddress();
}
public static int getPort(final SocketChannel socketChannel) {
return socketChannel.socket().getPort();
}
public static String getLocalHost(final SocketChannel socketChannel) {
return socketChannel.socket().getLocalAddress().getHostAddress();
}
public static int getLocalPort(final SocketChannel socketChannel) {
return socketChannel.socket().getLocalPort();
}
}
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