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+/*
+ * ContainerSocketProcessor.java February 2001
+ *
+ * Copyright (C) 2001, 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.http.core;
+
+import java.io.IOException;
+
+import org.simpleframework.common.buffer.Allocator;
+import org.simpleframework.common.buffer.FileAllocator;
+import org.simpleframework.transport.TransportProcessor;
+import org.simpleframework.transport.TransportSocketProcessor;
+import org.simpleframework.transport.SocketProcessor;
+import org.simpleframework.transport.Socket;
+
+/**
+ * The <code>ContainerSocketProcessor</code> object is a connector
+ * that dispatch requests from a connected pipeline. SSL connections
+ * and plain connections can be processed by this implementation. It
+ * collects data from the connected pipelines and constructs the
+ * requests and responses used to dispatch to the container.
+ * <p>
+ * In order to process the requests this uses two thread pools. One
+ * is used to collect data from the pipelines and create the requests.
+ * The other is used to service those requests. Such an architecture
+ * ensures that the serving thread does not have to deal with I/O
+ * operations. All data is consumed before it is serviced.
+ *
+ * @author Niall Gallagher
+ */
+public class ContainerSocketProcessor implements SocketProcessor {
+
+ /**
+ * This is the transporter used to process the connections.
+ */
+ private final TransportProcessor processor;
+
+ /**
+ * This is used to deliver pipelines to the container.
+ */
+ private final SocketProcessor adapter;
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object.
+ * The connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ */
+ public ContainerSocketProcessor(Container container) throws IOException {
+ this(container, 8);
+ }
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object.
+ * The connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ * @param count this is the number of threads used for each pool
+ */
+ public ContainerSocketProcessor(Container container, int count) throws IOException {
+ this(container, count, 1);
+ }
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object. The
+ * connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ * @param count this is the number of threads used for each pool
+ * @param select this is the number of selector threads to use
+ */
+ public ContainerSocketProcessor(Container container, int count, int select) throws IOException {
+ this(container, new FileAllocator(), count, select);
+ }
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object.
+ * The connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ * @param allocator this is the allocator used to create buffers
+ */
+ public ContainerSocketProcessor(Container container, Allocator allocator) throws IOException {
+ this(container, allocator, 8);
+ }
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object.
+ * The connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ * @param allocator this is the allocator used to create buffers
+ * @param count this is the number of threads used for each pool
+ */
+ public ContainerSocketProcessor(Container container, Allocator allocator, int count) throws IOException {
+ this(container, allocator, count, 1);
+ }
+
+ /**
+ * Constructor for the <code>ContainerSocketProcessor</code> object.
+ * The connector created will collect HTTP requests from the pipelines
+ * provided and dispatch those requests to the provided container.
+ *
+ * @param container this is the container used to service requests
+ * @param allocator this is the allocator used to create buffers
+ * @param count this is the number of threads used for each pool
+ * @param select this is the number of selector threads to use
+ */
+ public ContainerSocketProcessor(Container container, Allocator allocator, int count, int select) throws IOException {
+ this.processor = new ContainerTransportProcessor(container, allocator, count, select);
+ this.adapter = new TransportSocketProcessor(processor, count);
+ }
+
+ /**
+ * This is used to consume HTTP messages that arrive on the socket
+ * and dispatch them to the internal container. Depending on whether
+ * the socket contains an <code>SSLEngine</code> an SSL handshake may
+ * be performed before any HTTP messages are consumed. This can be
+ * called from multiple threads and does not block.
+ *
+ * @param socket this is the connected HTTP pipeline to process
+ */
+ public void process(Socket socket) throws IOException {
+ adapter.process(socket);
+ }
+
+ /**
+ * This method is used to stop the connector in such a way that it
+ * will not accept and process any further messages. If there are
+ * resources to clean up they may be cleaned up asynchronously
+ * so that this method can return without blocking.
+ */
+ public void stop() throws IOException {
+ adapter.stop();
+ }
+ }