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annotate src/org/eclipse/jetty/server/AsyncNCSARequestLog.java @ 808:b3176fd168bf
replace use of jetty.util.B64Code with java.util.Base64
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 08 Sep 2016 16:13:27 -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 org.eclipse.jetty.util.BlockingArrayQueue; |
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22 import org.eclipse.jetty.util.log.Log; |
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23 import org.eclipse.jetty.util.log.Logger; |
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24 |
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25 import java.io.IOException; |
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26 import java.util.concurrent.BlockingQueue; |
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27 import java.util.concurrent.LinkedBlockingQueue; |
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28 import java.util.concurrent.TimeUnit; |
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29 |
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30 |
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31 /* ------------------------------------------------------------ */ |
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32 /** |
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33 * An asynchronously writing NCSA Request Log |
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34 */ |
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35 public class AsyncNCSARequestLog extends NCSARequestLog |
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36 { |
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37 private static final Logger LOG = Log.getLogger(AsyncNCSARequestLog.class); |
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38 private final BlockingQueue<String> _queue; |
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39 private transient WriterThread _thread; |
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40 private boolean _warnedFull; |
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41 |
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42 public AsyncNCSARequestLog() |
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43 { |
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44 this(null,null); |
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45 } |
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46 |
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47 public AsyncNCSARequestLog(BlockingQueue<String> queue) |
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48 { |
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49 this(null,queue); |
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50 } |
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51 |
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52 public AsyncNCSARequestLog(String filename) |
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53 { |
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54 this(filename,null); |
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55 } |
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56 |
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57 public AsyncNCSARequestLog(String filename,BlockingQueue<String> queue) |
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58 { |
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59 super(filename); |
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60 if (queue==null) |
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61 queue=new BlockingArrayQueue<String>(1024); |
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62 _queue=queue; |
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63 } |
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64 |
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65 private class WriterThread extends Thread |
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66 { |
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67 WriterThread() |
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68 { |
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69 setName("AsyncNCSARequestLog@"+Integer.toString(AsyncNCSARequestLog.this.hashCode(),16)); |
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70 } |
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71 |
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72 @Override |
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73 public void run() |
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74 { |
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75 while (isRunning()) |
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76 { |
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77 try |
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78 { |
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79 String log = _queue.poll(10,TimeUnit.SECONDS); |
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80 if (log!=null) |
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81 AsyncNCSARequestLog.super.write(log); |
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82 |
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83 while(!_queue.isEmpty()) |
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84 { |
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85 log=_queue.poll(); |
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86 if (log!=null) |
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87 AsyncNCSARequestLog.super.write(log); |
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88 } |
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89 } |
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90 catch (IOException e) |
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91 { |
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92 LOG.warn(e); |
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93 } |
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94 catch (InterruptedException e) |
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95 { |
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96 LOG.ignore(e); |
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97 } |
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98 } |
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99 } |
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100 } |
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101 |
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102 @Override |
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103 protected synchronized void doStart() throws Exception |
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104 { |
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105 super.doStart(); |
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106 _thread = new WriterThread(); |
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107 _thread.start(); |
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108 } |
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109 |
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110 @Override |
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111 protected void doStop() throws Exception |
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112 { |
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113 _thread.interrupt(); |
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114 _thread.join(); |
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115 super.doStop(); |
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116 _thread=null; |
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117 } |
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118 |
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119 @Override |
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120 protected void write(String log) throws IOException |
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121 { |
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122 if (!_queue.offer(log)) |
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123 { |
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124 if (_warnedFull) |
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125 LOG.warn("Log Queue overflow"); |
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126 _warnedFull=true; |
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127 } |
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128 } |
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129 |
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130 } |