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package org.mule.providers.tcp; |
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|
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import org.mule.config.MuleProperties; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.impl.MuleMessage; |
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import org.mule.impl.ResponseOutputStream; |
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import org.mule.impl.model.streaming.CloseCountDownInputStream; |
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import org.mule.impl.model.streaming.CloseCountDownOutputStream; |
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import org.mule.providers.AbstractMessageReceiver; |
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import org.mule.providers.AbstractReceiverResourceWorker; |
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import org.mule.providers.ConnectException; |
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import org.mule.providers.tcp.i18n.TcpMessages; |
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import org.mule.umo.TransactionException; |
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import org.mule.umo.UMOComponent; |
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import org.mule.umo.UMOException; |
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import org.mule.umo.UMOTransaction; |
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import org.mule.umo.endpoint.UMOEndpoint; |
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import org.mule.umo.lifecycle.Disposable; |
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import org.mule.umo.lifecycle.DisposeException; |
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import org.mule.umo.lifecycle.InitialisationException; |
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import org.mule.umo.provider.UMOConnector; |
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import org.mule.umo.provider.UMOMessageAdapter; |
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|
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import java.io.BufferedInputStream; |
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import java.io.BufferedOutputStream; |
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import java.io.DataInputStream; |
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import java.io.DataOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.net.ServerSocket; |
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import java.net.Socket; |
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import java.net.SocketAddress; |
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import java.net.SocketTimeoutException; |
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import java.net.URI; |
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import java.net.SocketException; |
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import java.util.Iterator; |
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import java.util.List; |
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|
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import javax.resource.spi.work.Work; |
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import javax.resource.spi.work.WorkException; |
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import javax.resource.spi.work.WorkManager; |
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|
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import edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch; |
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import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean; |
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|
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|
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|
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|
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|
61 | 204333 | public class TcpMessageReceiver extends AbstractMessageReceiver implements Work |
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{ |
63 | 72 | private ServerSocket serverSocket = null; |
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|
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public TcpMessageReceiver(UMOConnector connector, UMOComponent component, UMOEndpoint endpoint) |
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throws InitialisationException |
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{ |
68 | 72 | super(connector, component, endpoint); |
69 | 72 | } |
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|
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protected void doConnect() throws ConnectException |
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{ |
73 | 66 | disposing.set(false); |
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|
75 | 66 | URI uri = endpoint.getEndpointURI().getUri(); |
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|
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try |
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{ |
79 | 66 | serverSocket = ((TcpConnector) connector).getServerSocket(uri); |
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} |
81 | 0 | catch (Exception e) |
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{ |
83 | 0 | throw new org.mule.providers.ConnectException(TcpMessages.failedToBindToUri(uri), e, this); |
84 | 66 | } |
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|
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try |
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{ |
88 | 66 | getWorkManager().scheduleWork(this, WorkManager.INDEFINITE, null, connector); |
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} |
90 | 0 | catch (WorkException e) |
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{ |
92 | 0 | throw new ConnectException(CoreMessages.failedToScheduleWork(), e, this); |
93 | 66 | } |
94 | 66 | } |
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|
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protected void doDisconnect() throws ConnectException |
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{ |
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|
99 | 66 | disposing.set(true); |
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|
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try |
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{ |
103 | 66 | if (serverSocket != null) |
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{ |
105 | 66 | if (logger.isDebugEnabled()) |
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{ |
107 | 0 | logger.debug("Closing: " + serverSocket); |
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} |
109 | 66 | serverSocket.close(); |
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} |
111 | |
} |
112 | 0 | catch (IOException e) |
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{ |
114 | 0 | logger.warn("Failed to close server socket: " + e.getMessage(), e); |
115 | 66 | } |
116 | 66 | } |
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|
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protected void doStart() throws UMOException |
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{ |
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|
121 | 66 | } |
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|
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protected void doStop() throws UMOException |
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{ |
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|
126 | 66 | } |
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|
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|
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|
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|
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|
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|
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public ServerSocket getServerSocket() |
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{ |
135 | 0 | return serverSocket; |
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} |
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|
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public void run() |
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{ |
140 | 2819 | while (!disposing.get()) |
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{ |
142 | 2753 | if (connector.isStarted() && !disposing.get()) |
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{ |
144 | 2753 | Socket socket = null; |
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try |
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{ |
147 | 2753 | socket = serverSocket.accept(); |
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|
149 | 2687 | if (logger.isTraceEnabled()) |
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{ |
151 | 0 | logger.trace("Accepted: " + serverSocket); |
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} |
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} |
154 | 0 | catch (java.io.InterruptedIOException iie) |
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{ |
156 | 0 | if (logger.isDebugEnabled()) |
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{ |
158 | 0 | logger.debug("Interupted IO doing serverSocket.accept: " + iie.getMessage()); |
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} |
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} |
161 | 66 | catch (Exception e) |
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{ |
163 | 66 | if (!connector.isDisposed() && !disposing.get()) |
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{ |
165 | 0 | logger.warn("Accept failed on socket: " + e, e); |
166 | 0 | handleException(new ConnectException(e, this)); |
167 | |
} |
168 | 2687 | } |
169 | |
|
170 | 2753 | if (socket != null) |
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{ |
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try |
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{ |
174 | 2687 | Work work = createWork(socket); |
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try |
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{ |
177 | 2687 | getWorkManager().scheduleWork(work, WorkManager.INDEFINITE, null, connector); |
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} |
179 | 0 | catch (WorkException e) |
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{ |
181 | 0 | logger.error("Tcp Server receiver Work was not processed: " + e.getMessage(), e); |
182 | 2687 | } |
183 | |
} |
184 | 0 | catch (IOException e) |
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{ |
186 | 0 | handleException(e); |
187 | 2687 | } |
188 | |
} |
189 | 2753 | } |
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} |
191 | 66 | } |
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|
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public void release() |
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{ |
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|
196 | 0 | } |
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|
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protected void doDispose() |
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{ |
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try |
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{ |
202 | 72 | if (serverSocket != null && !serverSocket.isClosed()) |
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{ |
204 | 0 | if (logger.isDebugEnabled()) |
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{ |
206 | 0 | logger.debug("Closing: " + serverSocket); |
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} |
208 | 0 | serverSocket.close(); |
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} |
210 | 72 | serverSocket = null; |
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} |
212 | 0 | catch (Exception e) |
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{ |
214 | 0 | logger.error(new DisposeException(TcpMessages.failedToCloseSocket(), e)); |
215 | 72 | } |
216 | 72 | logger.info("Closed Tcp port"); |
217 | 72 | } |
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|
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protected Work createWork(Socket socket) throws IOException |
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{ |
221 | 2687 | if (endpoint.isStreaming()) |
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{ |
223 | 20 | return new TcpStreamWorker(socket, this); |
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} |
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else |
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{ |
227 | 2667 | return new TcpWorker(socket, this); |
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} |
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} |
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|
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protected class TcpWorker extends AbstractReceiverResourceWorker implements Disposable |
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{ |
233 | 2687 | protected Socket socket = null; |
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protected InputStream dataIn; |
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protected OutputStream dataOut; |
236 | 2687 | protected AtomicBoolean closed = new AtomicBoolean(false); |
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protected TcpProtocol protocol; |
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|
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public TcpWorker(Object resource, AbstractMessageReceiver receiver) throws IOException |
240 | 2687 | { |
241 | 2687 | super(resource, receiver, new ResponseOutputStream((Socket) resource)); |
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|
243 | 2687 | this.socket = (Socket) resource; |
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|
245 | 2687 | final TcpConnector tcpConnector = ((TcpConnector) connector); |
246 | 2687 | this.protocol = tcpConnector.getTcpProtocol(); |
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|
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try |
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{ |
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|
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|
252 | 2687 | if (tcpConnector.getReceiveBufferSize() != UMOConnector.INT_VALUE_NOT_SET |
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&& socket.getReceiveBufferSize() != tcpConnector.getReceiveBufferSize()) |
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{ |
255 | 0 | socket.setReceiveBufferSize(tcpConnector.getReceiveBufferSize()); |
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} |
257 | 2687 | if (tcpConnector.getSendBufferSize() != UMOConnector.INT_VALUE_NOT_SET |
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&& socket.getSendBufferSize() != tcpConnector.getSendBufferSize()) |
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{ |
260 | 4 | socket.setSendBufferSize(tcpConnector.getSendBufferSize()); |
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} |
262 | 2687 | if (tcpConnector.getReceiveTimeout() != UMOConnector.INT_VALUE_NOT_SET |
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&& socket.getSoTimeout() != tcpConnector.getReceiveTimeout()) |
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{ |
265 | 20 | socket.setSoTimeout(tcpConnector.getReceiveTimeout()); |
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} |
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|
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try |
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{ |
270 | 2687 | socket.setTcpNoDelay(tcpConnector.isSendTcpNoDelay()); |
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} |
272 | 0 | catch (SocketException e) |
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{ |
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|
275 | 2687 | } |
276 | 2687 | socket.setKeepAlive(tcpConnector.isKeepAlive()); |
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|
278 | 2687 | dataIn = new DataInputStream(new BufferedInputStream(socket.getInputStream())); |
279 | 2687 | dataOut = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream())); |
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|
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} |
282 | 0 | catch (IOException e) |
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{ |
284 | 0 | logger.error("Failed to set Socket properties: " + e.getMessage(), e); |
285 | 2687 | } |
286 | |
|
287 | 2687 | } |
288 | |
|
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public void dispose() |
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{ |
291 | 0 | release(); |
292 | 0 | } |
293 | |
|
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public void release() |
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{ |
296 | 2667 | closed.set(true); |
297 | |
try |
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{ |
299 | 2667 | if (socket != null && !socket.isClosed()) |
300 | |
{ |
301 | 2667 | if (logger.isDebugEnabled()) |
302 | |
{ |
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|
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|
305 | 0 | final SocketAddress socketAddress = socket.getLocalSocketAddress(); |
306 | 0 | if (socketAddress == null) |
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{ |
308 | 0 | logger.debug("Listener has already been closed by other process."); |
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} |
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else |
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{ |
312 | 0 | logger.debug("Closing listener: " + socketAddress); |
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} |
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} |
315 | 2667 | socket.close(); |
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} |
317 | |
} |
318 | 0 | catch (IOException e) |
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{ |
320 | 0 | logger.warn("Socket close failed with: " + e); |
321 | 2667 | } |
322 | 2667 | } |
323 | |
|
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protected void bindTransaction(UMOTransaction tx) throws TransactionException |
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{ |
326 | |
|
327 | 0 | } |
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|
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protected Object getNextMessage(Object resource) throws Exception |
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{ |
331 | 5309 | while (!socket.isClosed() && !disposing.get()) |
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{ |
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try |
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{ |
335 | 5304 | Object readMsg = protocol.read(dataIn); |
336 | 5304 | if (readMsg == null) |
337 | |
{ |
338 | 2662 | return null; |
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} |
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else |
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{ |
342 | 2642 | return readMsg; |
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} |
344 | |
} |
345 | 0 | catch (SocketTimeoutException e) |
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{ |
347 | 0 | if (!socket.getKeepAlive()) |
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{ |
349 | 0 | return null; |
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} |
351 | 0 | } |
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} |
353 | 5 | return null; |
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} |
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|
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|
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protected void handleResults(List messages) throws Exception |
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{ |
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|
360 | 2642 | if (endpoint.isRemoteSync() || !component.getDescriptor().getOutboundRouter().hasEndpoints()) |
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{ |
362 | 224 | for (Iterator iterator = messages.iterator(); iterator.hasNext();) |
363 | |
{ |
364 | 224 | Object o = iterator.next(); |
365 | 224 | protocol.write(dataOut, o); |
366 | 224 | dataOut.flush(); |
367 | 224 | } |
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} |
369 | 2642 | } |
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|
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protected void preRouteMuleMessage(final MuleMessage message) throws Exception |
372 | |
{ |
373 | 193674 | super.preRouteMuleMessage(message); |
374 | |
|
375 | 193674 | final SocketAddress clientAddress = socket.getRemoteSocketAddress(); |
376 | 193673 | if (clientAddress != null) |
377 | |
{ |
378 | 193673 | message.setProperty(MuleProperties.MULE_REMOTE_CLIENT_ADDRESS, clientAddress.toString()); |
379 | |
} |
380 | 193673 | } |
381 | |
} |
382 | |
|
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protected class TcpStreamWorker extends TcpWorker |
384 | |
{ |
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|
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private CountDownLatch latch; |
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|
388 | |
public TcpStreamWorker(Socket socket, AbstractMessageReceiver receiver) throws IOException |
389 | 20 | { |
390 | 20 | super(socket, receiver); |
391 | 20 | } |
392 | |
|
393 | |
|
394 | |
protected Object getNextMessage(Object resource) throws Exception |
395 | |
{ |
396 | 191032 | latch = new CountDownLatch(2); |
397 | 191032 | dataIn = new CloseCountDownInputStream(dataIn, latch); |
398 | |
|
399 | |
|
400 | 191032 | if (endpoint.isSynchronous()) |
401 | |
{ |
402 | 16018 | dataOut = new CloseCountDownOutputStream(dataOut, latch); |
403 | |
} |
404 | |
|
405 | 191032 | UMOMessageAdapter adapter = connector.getStreamMessageAdapter(dataIn, dataOut); |
406 | 191032 | return adapter; |
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|
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} |
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|
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|
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protected void handleResults(List messages) throws Exception |
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{ |
413 | 20 | latch.await(); |
414 | 0 | } |
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} |
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|
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} |