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annotate src/org/eclipse/jetty/server/BlockingHttpConnection.java @ 820:8e9db0bbf4f9

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remove org.eclipse.jetty.util.log and upgrade slf4j
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 13 Sep 2016 23:13:06 -0600
parents 3428c60d7cfc
children ad495e897c32
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rev   line source
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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.Generator;
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24 import org.eclipse.jetty.http.HttpException;
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25 import org.eclipse.jetty.http.HttpStatus;
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26 import org.eclipse.jetty.http.Parser;
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27 import org.eclipse.jetty.io.Connection;
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28 import org.eclipse.jetty.io.EndPoint;
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29 import org.slf4j.Logger;
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30 import org.slf4j.LoggerFactory;
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31
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32
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33 /* ------------------------------------------------------------ */
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34 /** Blocking Server HTTP Connection
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35 */
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36 public class BlockingHttpConnection extends AbstractHttpConnection
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37 {
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38 private static final Logger LOG = LoggerFactory.getLogger(BlockingHttpConnection.class);
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39
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40 public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server)
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41 {
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42 super(connector,endpoint,server);
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43 }
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44
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45 public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server, Parser parser, Generator generator, Request request)
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46 {
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47 super(connector,endpoint,server,parser,generator,request);
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48 }
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49
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50 @Override
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51 protected void handleRequest() throws IOException
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52 {
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53 super.handleRequest();
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54 }
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55
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56 public Connection handle() throws IOException
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57 {
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58 Connection connection = this;
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59
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60 try
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61 {
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62 setCurrentConnection(this);
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63
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64 // do while the endpoint is open
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65 // AND the connection has not changed
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66 while (_endp.isOpen() && connection==this)
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67 {
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68 try
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69 {
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70 // If we are not ended then parse available
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71 if (!_parser.isComplete() && !_endp.isInputShutdown())
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72 _parser.parseAvailable();
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73
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74 // Do we have more generating to do?
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75 // Loop here because some writes may take multiple steps and
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76 // we need to flush them all before potentially blocking in the
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77 // next loop.
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78 if (_generator.isCommitted() && !_generator.isComplete() && !_endp.isOutputShutdown())
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79 _generator.flushBuffer();
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80
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81 // Flush buffers
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82 _endp.flush();
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83 }
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84 catch (HttpException e)
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85 {
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86 if (LOG.isDebugEnabled())
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87 {
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88 LOG.debug("uri="+_uri);
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89 LOG.debug("fields="+_requestFields);
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90 LOG.debug("",e);
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91 }
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92 _generator.sendError(e.getStatus(), e.getReason(), null, true);
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93 _parser.reset();
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94 _endp.shutdownOutput();
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95 }
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96 finally
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97 {
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98 // Is this request/response round complete and are fully flushed?
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99 if (_parser.isComplete() && _generator.isComplete())
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100 {
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101 // Reset the parser/generator
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102 reset();
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103
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104 // look for a switched connection instance?
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105 if (_response.getStatus()==HttpStatus.SWITCHING_PROTOCOLS_101)
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106 {
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107 Connection switched=(Connection)_request.getAttribute("org.eclipse.jetty.io.Connection");
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108 if (switched!=null)
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109 connection=switched;
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110 }
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111
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112 // TODO Is this required?
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113 if (!_generator.isPersistent() && !_endp.isOutputShutdown())
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114 {
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115 LOG.warn("Safety net oshut!!! Please open a bugzilla");
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116 _endp.shutdownOutput();
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117 }
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118 }
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119
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120 // If we don't have a committed response and we are not suspended
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121 if (_endp.isInputShutdown() && _generator.isIdle() && !_request.getAsyncContinuation().isSuspended())
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122 {
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123 // then no more can happen, so close.
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124 _endp.close();
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125 }
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126 }
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127 }
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128
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129 return connection;
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130 }
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131 finally
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132 {
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133 setCurrentConnection(null);
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134 _parser.returnBuffers();
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135 _generator.returnBuffers();
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136 }
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137 }
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138 }