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annotate src/org/eclipse/jetty/server/BlockingHttpConnection.java @ 1036:b87f97f6418a
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 03 Nov 2016 21:42:41 -0600 |
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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 { |
874 | 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) |
874 | 40 { |
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41 super(connector,endpoint); |
874 | 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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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()) |
874 | 50 { |
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51 try |
874 | 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()) |
874 | 89 { |
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90 LOG.warn("Safety net oshut!!! Please open a bugzilla"); |
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91 _endp.shutdownOutput(); |
874 | 92 } |
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()) |
874 | 97 { |
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98 // then no more can happen, so close. |
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99 _endp.close(); |
874 | 100 } |
101 } | |
102 } | |
103 } | |
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104 } |