1 files changed, 163 insertions, 0 deletions
diff --git a/simple/simple-transport/src/main/java/org/simpleframework/transport/TransportSocketProcessor.java b/simple/simple-transport/src/main/java/org/simpleframework/transport/TransportSocketProcessor.java
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+++ b/simple/simple-transport/src/main/java/org/simpleframework/transport/TransportSocketProcessor.java
@@ -0,0 +1,163 @@
+/*
+ * TransportSocketProcessor.java February 2007
+ *
+ * Copyright (C) 2007, Niall Gallagher <niallg@users.sf.net>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
+ * implied. See the License for the specific language governing 
+ * permissions and limitations under the License.
+ */
+
+package org.simpleframework.transport;
+
+import java.io.IOException;
+
+import org.simpleframework.common.thread.ConcurrentExecutor;
+import org.simpleframework.common.thread.Daemon;
+import org.simpleframework.transport.reactor.ExecutorReactor;
+import org.simpleframework.transport.reactor.Operation;
+import org.simpleframework.transport.reactor.Reactor;
+
+/**
+ * The <code>TransportSocketProcessor</code> is used to convert sockets
+ * to transports. This acts as an adapter to a transport processor 
+ * which converts a connected socket to a <code>Transport</code> that
+ * can be used to read and write data. Depending on whether there is
+ * an <code>SSLEngine</code> associated with the socket or not, there
+ * could be an SSL handshake performed.
+ * 
+ * @author Niall Gallagher
+ */
+public class TransportSocketProcessor implements SocketProcessor { 
+   
+   /**
+    * This is the executor used to execute the I/O operations.
+    */
+   private final ConcurrentExecutor executor;   
+
+   /**
+    * This is the factory used to create the required operations.
+    */
+   private final OperationFactory factory;
+   
+   /**
+    * This is the processor used to process transport objects.
+    */
+   private final Reactor reactor;
+   
+   /**
+    * This is used to clean the internals of the processor.
+    */
+   private final Daemon cleaner;   
+
+   /**
+    * Constructor for the <code>TransportSocketProcessor</code> object. 
+    * The transport processor is used to process plain connections
+    * and wrap those connections in a <code>Transport</code> that
+    * can be used to send and receive data to and from.
+    * 
+    * @param processor this is used to process transports
+    */
+   public TransportSocketProcessor(TransportProcessor processor) throws IOException {
+      this(processor, 8);
+   }
+   
+   /**
+    * Constructor for the <code>TransportSocketProcessor</code> object. 
+    * The transport processor is used to process plain connections
+    * and wrap those connections in a <code>Transport</code> that
+    * can be used to send and receive data to and from.
+    * 
+    * @param processor this is used to process transports
+    * @param threads this is the number of threads this will use
+    */
+   public TransportSocketProcessor(TransportProcessor processor, int threads) throws IOException {
+      this(processor, threads, 4096);
+   }
+      
+   /**
+    * Constructor for the <code>TransportSocketProcessor</code> object. 
+    * The transport processor is used to process plain connections
+    * and wrap those connections in a <code>Transport</code> that
+    * can be used to send and receive data to and from.
+    * 
+    * @param processor this is used to process transports
+    * @param threads this is the number of threads this will use
+    * @param buffer this is the initial size of the output buffer 
+    */
+   public TransportSocketProcessor(TransportProcessor processor, int threads, int buffer) throws IOException {
+      this(processor, threads, buffer, 20480);
+   }
+   
+   /**
+    * Constructor for the <code>TransportSocketProcessor</code> object. 
+    * The transport processor is used to process plain connections
+    * and wrap those connections in a <code>Transport</code> that
+    * can be used to send and receive data to and from.
+    * 
+    * @param processor this is used to process transports
+    * @param threads this is the number of threads this will use
+    * @param buffer this is the initial size of the output buffer      
+    * @param threshold this is the maximum size of the output buffer
+    */
+   public TransportSocketProcessor(TransportProcessor processor, int threads, int buffer, int threshold) throws IOException {
+      this(processor, threads, buffer, threshold, false);
+   }
+   
+   /**
+    * Constructor for the <code>TransportSocketProcessor</code> object. 
+    * The transport processor is used to process plain connections
+    * and wrap those connections in a <code>Transport</code> that
+    * can be used to send and receive data to and from.
+    * 
+    * @param processor this is used to process transports
+    * @param threads this is the number of threads this will use
+    * @param buffer this is the initial size of the output buffer      
+    * @param threshold this is the maximum size of the output buffer
+    * @param client determines if the SSL handshake is for a client
+    */
+   public TransportSocketProcessor(TransportProcessor processor, int threads, int buffer, int threshold, boolean client) throws IOException {
+      this.executor = new ConcurrentExecutor(Operation.class, threads);     
+      this.reactor = new ExecutorReactor(executor);
+      this.factory = new OperationFactory(processor, reactor, buffer, threshold, client);
+      this.cleaner = new ServerCleaner(processor, executor, reactor);
+   }
+
+   /**
+    * Used to connect the <code>Socket</code> which is a full duplex 
+    * TCP connection to a higher layer the application. It is this
+    * layer that is responsible for interpreting a protocol or handling
+    * messages in some manner. In the case of HTTP this will initiate
+    * the consumption of a HTTP request after any SSL handshake is 
+    * finished if the connection is secure.    
+    *
+    * @param socket this is the connected HTTP pipeline to process
+    */    
+   public void process(Socket socket) throws IOException {
+      Operation task = factory.getInstance(socket);
+      
+      if(task != null) {
+         reactor.process(task);
+      }
+   }
+   
+   /**
+    * This is implemented to shut down the server asynchronously. It 
+    * will start a process to perform the shutdown. Asynchronous
+    * shutdown allows a server resource executed via a HTTP request
+    * can stop the server without any danger of killing itself or
+    * even worse causing a deadlock.
+    */    
+   public void stop() throws IOException {
+      cleaner.start();
+      executor.stop();
+   }
+ }