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annotate src/org/eclipse/jetty/server/BlockingHttpConnection.java @ 1066:bbbda7c6e8ec

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fix use of HttpGenerator._header
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 09 Nov 2016 05:48:10 -0700
parents 898774c2cd87
children
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.server;
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20
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21 import java.io.IOException;
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22
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23 import org.eclipse.jetty.http.HttpException;
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24 import org.eclipse.jetty.http.HttpStatus;
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25 import org.eclipse.jetty.io.EndPoint;
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26 import org.eclipse.jetty.io.nio.ChannelEndPoint;
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27 import org.eclipse.jetty.server.nio.BlockingChannelConnector;
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28 import org.slf4j.Logger;
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29 import org.slf4j.LoggerFactory;
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30
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31
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32 /* ------------------------------------------------------------ */
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33 /** Blocking Server HTTP Connection
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34 */
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35 public final class BlockingHttpConnection extends AbstractHttpConnection
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36 {
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37 private static final Logger LOG = LoggerFactory.getLogger(BlockingHttpConnection.class);
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38
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39 public BlockingHttpConnection(BlockingChannelConnector connector, ChannelEndPoint endpoint)
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40 {
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41 super(connector,endpoint);
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42 }
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43
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44 @Override
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45 public void handle() throws IOException
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46 {
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47 // do while the endpoint is open
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48 // AND the connection has not changed
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49 while (_endp.isOpen())
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50 {
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51 try
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52 {
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53 // If we are not ended then parse available
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54 if (!_parser.isComplete() && !_endp.isInputShutdown())
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55 _parser.parseAvailable();
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56
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57 // Do we have more generating to do?
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58 // Loop here because some writes may take multiple steps and
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59 // we need to flush them all before potentially blocking in the
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60 // next loop.
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61 if (_generator.isCommitted() && !_generator.isComplete() && !_endp.isOutputShutdown())
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62 _generator.flushBuffer();
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63
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64 // Flush buffers
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65 _endp.flush();
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66 }
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67 catch (HttpException e)
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68 {
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69 if (LOG.isDebugEnabled())
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70 {
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71 LOG.debug("uri="+_uri);
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72 LOG.debug("fields="+_requestFields);
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73 LOG.debug("",e);
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74 }
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75 _generator.sendError(e.getStatus(), e.getReason(), null, true);
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76 initParser();
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77 _endp.shutdownOutput();
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78 }
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79 finally
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80 {
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81 // Is this request/response round complete and are fully flushed?
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82 if (_parser.isComplete() && _generator.isComplete())
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83 {
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84 // Reset the parser/generator
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85 reset();
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86
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87 // TODO Is this required?
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88 if (!_generator.isPersistent() && !_endp.isOutputShutdown())
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89 {
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90 LOG.warn("Safety net oshut!!! Please open a bugzilla");
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91 _endp.shutdownOutput();
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92 }
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93 }
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94
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95 // If we don't have a committed response and we are not suspended
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96 if (_endp.isInputShutdown() && _generator.isIdle())
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97 {
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98 // then no more can happen, so close.
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99 _endp.close();
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100 }
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101 }
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102 }
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103 }
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104 }