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view src/org/eclipse/jetty/server/BlockingHttpConnection.java @ 827:f89abbfb3a8f
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 15 Sep 2016 16:21:56 -0600 |
parents | 8e9db0bbf4f9 |
children | ad495e897c32 |
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// // ======================================================================== // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // All rights reserved. This program and the accompanying materials // are made available under the terms of the Eclipse Public License v1.0 // and Apache License v2.0 which accompanies this distribution. // // The Eclipse Public License is available at // http://www.eclipse.org/legal/epl-v10.html // // The Apache License v2.0 is available at // http://www.opensource.org/licenses/apache2.0.php // // You may elect to redistribute this code under either of these licenses. // ======================================================================== // package org.eclipse.jetty.server; import java.io.IOException; import org.eclipse.jetty.http.Generator; import org.eclipse.jetty.http.HttpException; import org.eclipse.jetty.http.HttpStatus; import org.eclipse.jetty.http.Parser; import org.eclipse.jetty.io.Connection; import org.eclipse.jetty.io.EndPoint; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /* ------------------------------------------------------------ */ /** Blocking Server HTTP Connection */ public class BlockingHttpConnection extends AbstractHttpConnection { private static final Logger LOG = LoggerFactory.getLogger(BlockingHttpConnection.class); public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server) { super(connector,endpoint,server); } public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server, Parser parser, Generator generator, Request request) { super(connector,endpoint,server,parser,generator,request); } @Override protected void handleRequest() throws IOException { super.handleRequest(); } public Connection handle() throws IOException { Connection connection = this; try { setCurrentConnection(this); // do while the endpoint is open // AND the connection has not changed while (_endp.isOpen() && connection==this) { try { // If we are not ended then parse available if (!_parser.isComplete() && !_endp.isInputShutdown()) _parser.parseAvailable(); // Do we have more generating to do? // Loop here because some writes may take multiple steps and // we need to flush them all before potentially blocking in the // next loop. if (_generator.isCommitted() && !_generator.isComplete() && !_endp.isOutputShutdown()) _generator.flushBuffer(); // Flush buffers _endp.flush(); } catch (HttpException e) { if (LOG.isDebugEnabled()) { LOG.debug("uri="+_uri); LOG.debug("fields="+_requestFields); LOG.debug("",e); } _generator.sendError(e.getStatus(), e.getReason(), null, true); _parser.reset(); _endp.shutdownOutput(); } finally { // Is this request/response round complete and are fully flushed? if (_parser.isComplete() && _generator.isComplete()) { // Reset the parser/generator reset(); // look for a switched connection instance? if (_response.getStatus()==HttpStatus.SWITCHING_PROTOCOLS_101) { Connection switched=(Connection)_request.getAttribute("org.eclipse.jetty.io.Connection"); if (switched!=null) connection=switched; } // TODO Is this required? if (!_generator.isPersistent() && !_endp.isOutputShutdown()) { LOG.warn("Safety net oshut!!! Please open a bugzilla"); _endp.shutdownOutput(); } } // If we don't have a committed response and we are not suspended if (_endp.isInputShutdown() && _generator.isIdle() && !_request.getAsyncContinuation().isSuspended()) { // then no more can happen, so close. _endp.close(); } } } return connection; } finally { setCurrentConnection(null); _parser.returnBuffers(); _generator.returnBuffers(); } } }