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apache / logging-log4j-site / d0d0de55986756593c08e5d2b8059541eacaf428 / . / log4j-2.0-alpha1-SNAPSHOT / log4j-flume-ng / xref / org / apache / logging / log4j / flume / appender / FlumeAvroManager.html
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<div id="overview"><a href="../../../../../../../apidocs/org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache license, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * See the license for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the license.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> org.apache.logging.log4j.flume.appender;
<a class="jxr_linenumber" name="18" href="#18">18</a>
<a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> org.apache.avro.AvroRemoteException;
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.avro.ipc.NettyTransceiver;
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.avro.ipc.Transceiver;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.avro.ipc.specific.SpecificRequestor;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.flume.source.avro.AvroFlumeEvent;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.flume.source.avro.AvroSourceProtocol;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.flume.source.avro.Status;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.appender.AbstractManager;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.appender.AppenderRuntimeException;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.appender.ManagerFactory;
<a class="jxr_linenumber" name="29" href="#29">29</a>
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.nio.ByteBuffer;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="37" href="#37">37</a>
<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * Manager for FlumeAvroAppenders.</em>
<a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FlumeAvroManager</a> <strong class="jxr_keyword">extends</strong> AbstractManager {
<a class="jxr_linenumber" name="42" href="#42">42</a>
<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> The default reconnection delay (500 milliseconds or .5 seconds).</em>
<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_RECONNECTION_DELAY = 500;
<a class="jxr_linenumber" name="47" href="#47">47</a>
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_RECONNECTS = 3;
<a class="jxr_linenumber" name="49" href="#49">49</a>
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> ManagerFactory factory = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">AvroManagerFactory</a>();
<a class="jxr_linenumber" name="51" href="#51">51</a>
<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> AvroSourceProtocol client;
<a class="jxr_linenumber" name="53" href="#53">53</a>
<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents;
<a class="jxr_linenumber" name="55" href="#55">55</a>
<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> batchSize;
<a class="jxr_linenumber" name="57" href="#57">57</a>
<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">EventList</a> events = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">EventList</a>();
<a class="jxr_linenumber" name="59" href="#59">59</a>
<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> current = 0;
<a class="jxr_linenumber" name="61" href="#61">61</a>
<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> Transceiver transceiver;
<a class="jxr_linenumber" name="63" href="#63">63</a>
<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * Constructor</em>
<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * @param name The unique name of this manager.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * @param agents An array of Agents.</em>
<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * @param batchSize The number of evetns to include in a batch.</em>
<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FlumeAvroManager</a>(String name, <a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents, <strong class="jxr_keyword">int</strong> batchSize) {
<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">super</strong>(name);
<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">this</strong>.agents = agents;
<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">this</strong>.batchSize = batchSize;
<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">this</strong>.client = connect(agents);
<a class="jxr_linenumber" name="75" href="#75">75</a> }
<a class="jxr_linenumber" name="76" href="#76">76</a>
<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * Return a FlumeAvroManager.</em>
<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * @param agents The agents to use.</em>
<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * @param batchSize The number of events to include in a batch.</em>
<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @return A FlumeAvroManager.</em>
<a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FlumeAvroManager</a> getManager(<a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents, <strong class="jxr_keyword">int</strong> batchSize) {
<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">if</strong> (agents == <strong class="jxr_keyword">null</strong> || agents.length == 0) {
<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"At least one agent is required"</span>);
<a class="jxr_linenumber" name="86" href="#86">86</a> }
<a class="jxr_linenumber" name="87" href="#87">87</a>
<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">if</strong> (batchSize &lt;= 0) {
<a class="jxr_linenumber" name="89" href="#89">89</a> batchSize = 1;
<a class="jxr_linenumber" name="90" href="#90">90</a> }
<a class="jxr_linenumber" name="91" href="#91">91</a>
<a class="jxr_linenumber" name="92" href="#92">92</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(<span class="jxr_string">"FlumeAvro["</span>);
<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">boolean</strong> first = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">for</strong> (Agent agent : agents) {
<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">if</strong> (!first) {
<a class="jxr_linenumber" name="96" href="#96">96</a> sb.append(<span class="jxr_string">","</span>);
<a class="jxr_linenumber" name="97" href="#97">97</a> }
<a class="jxr_linenumber" name="98" href="#98">98</a> sb.append(agent.getHost()).append(<span class="jxr_string">":"</span>).append(agent.getPort());
<a class="jxr_linenumber" name="99" href="#99">99</a> first = false;
<a class="jxr_linenumber" name="100" href="#100">100</a> }
<a class="jxr_linenumber" name="101" href="#101">101</a> sb.append(<span class="jxr_string">"]"</span>);
<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">return</strong> (FlumeAvroManager) getManager(sb.toString(), factory, <strong class="jxr_keyword">new</strong> FactoryData(agents, batchSize));
<a class="jxr_linenumber" name="103" href="#103">103</a> }
<a class="jxr_linenumber" name="104" href="#104">104</a>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * Return the agents.</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * @return The agent array.</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] getAgents() {
<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">return</strong> agents;
<a class="jxr_linenumber" name="111" href="#111">111</a> }
<a class="jxr_linenumber" name="112" href="#112">112</a>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * Returns the index of the current agent.</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * @return The index for the current agent.</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getCurrent() {
<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">return</strong> current;
<a class="jxr_linenumber" name="119" href="#119">119</a> }
<a class="jxr_linenumber" name="120" href="#120">120</a>
<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> send(<a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeEvent.html">FlumeEvent</a> event, <strong class="jxr_keyword">int</strong> delay, <strong class="jxr_keyword">int</strong> retries) {
<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">if</strong> (delay == 0) {
<a class="jxr_linenumber" name="123" href="#123">123</a> delay = DEFAULT_RECONNECTION_DELAY;
<a class="jxr_linenumber" name="124" href="#124">124</a> }
<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">if</strong> (retries == 0) {
<a class="jxr_linenumber" name="126" href="#126">126</a> retries = DEFAULT_RECONNECTS;
<a class="jxr_linenumber" name="127" href="#127">127</a> }
<a class="jxr_linenumber" name="128" href="#128">128</a> AvroFlumeEvent avroEvent = <strong class="jxr_keyword">new</strong> AvroFlumeEvent();
<a class="jxr_linenumber" name="129" href="#129">129</a> avroEvent.body = ByteBuffer.wrap(event.getBody());
<a class="jxr_linenumber" name="130" href="#130">130</a> avroEvent.headers = <strong class="jxr_keyword">new</strong> HashMap&lt;CharSequence, CharSequence&gt;();
<a class="jxr_linenumber" name="131" href="#131">131</a>
<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">for</strong> (Map.Entry&lt;String, String&gt; entry : event.getHeaders().entrySet()) {
<a class="jxr_linenumber" name="133" href="#133">133</a> avroEvent.headers.put(entry.getKey(), entry.getValue());
<a class="jxr_linenumber" name="134" href="#134">134</a> }
<a class="jxr_linenumber" name="135" href="#135">135</a>
<a class="jxr_linenumber" name="136" href="#136">136</a> List&lt;AvroFlumeEvent&gt; batch = batchSize &gt; 1 ? events.addAndGet(avroEvent, batchSize) : <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (batch == <strong class="jxr_keyword">null</strong> &amp;&amp; batchSize &gt; 1) {
<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="139" href="#139">139</a> }
<a class="jxr_linenumber" name="140" href="#140">140</a>
<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">int</strong> i = 0;
<a class="jxr_linenumber" name="142" href="#142">142</a>
<a class="jxr_linenumber" name="143" href="#143">143</a> String msg = <span class="jxr_string">"Error writing to "</span> + getName();
<a class="jxr_linenumber" name="144" href="#144">144</a>
<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="147" href="#147">147</a> Status status = (batch == <strong class="jxr_keyword">null</strong>) ? client.append(avroEvent) : client.appendBatch(batch);
<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">if</strong> (!status.equals(Status.OK)) {
<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> AvroRemoteException(<span class="jxr_string">"RPC communication failed to "</span> + agents[current].getHost() +
<a class="jxr_linenumber" name="150" href="#150">150</a> <span class="jxr_string">":"</span> + agents[current].getPort());
<a class="jxr_linenumber" name="151" href="#151">151</a> }
<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="153" href="#153">153</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) {
<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">if</strong> (i == retries - 1) {
<a class="jxr_linenumber" name="155" href="#155">155</a> msg = <span class="jxr_string">"Error writing to "</span> + getName() + <span class="jxr_string">" at "</span> + agents[current].getHost() + <span class="jxr_string">":"</span> +
<a class="jxr_linenumber" name="156" href="#156">156</a> agents[current].getPort();
<a class="jxr_linenumber" name="157" href="#157">157</a> LOGGER.warn(msg, ex);
<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="159" href="#159">159</a> }
<a class="jxr_linenumber" name="160" href="#160">160</a> sleep(delay);
<a class="jxr_linenumber" name="161" href="#161">161</a> }
<a class="jxr_linenumber" name="162" href="#162">162</a> } <strong class="jxr_keyword">while</strong> (++i &lt; retries);
<a class="jxr_linenumber" name="163" href="#163">163</a>
<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = 0; index &lt; agents.length; ++index) {
<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">if</strong> (index == current) {
<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="167" href="#167">167</a> }
<a class="jxr_linenumber" name="168" href="#168">168</a> <a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a> agent = agents[index];
<a class="jxr_linenumber" name="169" href="#169">169</a> i = 0;
<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="172" href="#172">172</a> transceiver = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="173" href="#173">173</a> AvroSourceProtocol c = connect(agent.getHost(), agent.getPort());
<a class="jxr_linenumber" name="174" href="#174">174</a> Status status = (batch == <strong class="jxr_keyword">null</strong>) ? c.append(avroEvent) : c.appendBatch(batch);
<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">if</strong> (!status.equals(Status.OK)) {
<a class="jxr_linenumber" name="176" href="#176">176</a> <strong class="jxr_keyword">if</strong> (i == retries - 1) {
<a class="jxr_linenumber" name="177" href="#177">177</a> String warnMsg = <span class="jxr_string">"RPC communication failed to "</span> + getName() + <span class="jxr_string">" at "</span> +
<a class="jxr_linenumber" name="178" href="#178">178</a> agent.getHost() + <span class="jxr_string">":"</span> + agent.getPort();
<a class="jxr_linenumber" name="179" href="#179">179</a> LOGGER.warn(warnMsg);
<a class="jxr_linenumber" name="180" href="#180">180</a> }
<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="182" href="#182">182</a> }
<a class="jxr_linenumber" name="183" href="#183">183</a> client = c;
<a class="jxr_linenumber" name="184" href="#184">184</a> current = i;
<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="186" href="#186">186</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) {
<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">if</strong> (i == retries - 1) {
<a class="jxr_linenumber" name="188" href="#188">188</a> String warnMsg = <span class="jxr_string">"Error writing to "</span> + getName() + <span class="jxr_string">" at "</span> + agent.getHost() + <span class="jxr_string">":"</span> +
<a class="jxr_linenumber" name="189" href="#189">189</a> agent.getPort();
<a class="jxr_linenumber" name="190" href="#190">190</a> LOGGER.warn(warnMsg, ex);
<a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="192" href="#192">192</a> }
<a class="jxr_linenumber" name="193" href="#193">193</a> sleep(delay);
<a class="jxr_linenumber" name="194" href="#194">194</a> }
<a class="jxr_linenumber" name="195" href="#195">195</a> } <strong class="jxr_keyword">while</strong> (++i &lt; retries);
<a class="jxr_linenumber" name="196" href="#196">196</a> }
<a class="jxr_linenumber" name="197" href="#197">197</a>
<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> AppenderRuntimeException(msg);
<a class="jxr_linenumber" name="199" href="#199">199</a>
<a class="jxr_linenumber" name="200" href="#200">200</a> }
<a class="jxr_linenumber" name="201" href="#201">201</a>
<a class="jxr_linenumber" name="202" href="#202">202</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> sleep(<strong class="jxr_keyword">int</strong> delay) {
<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="204" href="#204">204</a> Thread.sleep(delay);
<a class="jxr_linenumber" name="205" href="#205">205</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ex) {
<a class="jxr_linenumber" name="206" href="#206">206</a> Thread.currentThread().interrupt();
<a class="jxr_linenumber" name="207" href="#207">207</a> }
<a class="jxr_linenumber" name="208" href="#208">208</a> }
<a class="jxr_linenumber" name="209" href="#209">209</a>
<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * There is a very good chance that this will always return the first agent even if it isn't available.</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * @param agents The list of agents to choose from</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * @return The FlumeEventAvroServer.</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">private</strong> AvroSourceProtocol connect(<a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents) {
<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">int</strong> i = 0;
<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">for</strong> (Agent agent : agents) {
<a class="jxr_linenumber" name="218" href="#218">218</a> AvroSourceProtocol server = connect(agent.getHost(), agent.getPort());
<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">if</strong> (server != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="220" href="#220">220</a> current = i;
<a class="jxr_linenumber" name="221" href="#221">221</a> <strong class="jxr_keyword">return</strong> server;
<a class="jxr_linenumber" name="222" href="#222">222</a> }
<a class="jxr_linenumber" name="223" href="#223">223</a> ++i;
<a class="jxr_linenumber" name="224" href="#224">224</a> }
<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> AppenderRuntimeException(<span class="jxr_string">"Unable to connect to any agents"</span>);
<a class="jxr_linenumber" name="226" href="#226">226</a> }
<a class="jxr_linenumber" name="227" href="#227">227</a>
<a class="jxr_linenumber" name="228" href="#228">228</a> <strong class="jxr_keyword">private</strong> AvroSourceProtocol connect(String hostname, <strong class="jxr_keyword">int</strong> port) {
<a class="jxr_linenumber" name="229" href="#229">229</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">if</strong> (transceiver == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="231" href="#231">231</a> transceiver = <strong class="jxr_keyword">new</strong> NettyTransceiver(<strong class="jxr_keyword">new</strong> InetSocketAddress(hostname, port));
<a class="jxr_linenumber" name="232" href="#232">232</a> }
<a class="jxr_linenumber" name="233" href="#233">233</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
<a class="jxr_linenumber" name="234" href="#234">234</a> LOGGER.error(<span class="jxr_string">"Unable to create transceiver"</span>, ioe);
<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="236" href="#236">236</a> }
<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">return</strong> SpecificRequestor.getClient(AvroSourceProtocol.<strong class="jxr_keyword">class</strong>, transceiver);
<a class="jxr_linenumber" name="239" href="#239">239</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
<a class="jxr_linenumber" name="240" href="#240">240</a> LOGGER.error(<span class="jxr_string">"Unable to create Avro client"</span>);
<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="242" href="#242">242</a> }
<a class="jxr_linenumber" name="243" href="#243">243</a> }
<a class="jxr_linenumber" name="244" href="#244">244</a>
<a class="jxr_linenumber" name="245" href="#245">245</a> @Override
<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> releaseSub() {
<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">if</strong> (transceiver != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="249" href="#249">249</a> transceiver.close();
<a class="jxr_linenumber" name="250" href="#250">250</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
<a class="jxr_linenumber" name="251" href="#251">251</a> LOGGER.error(<span class="jxr_string">"Attempt to clean up Avro transceiver failed"</span>, ioe);
<a class="jxr_linenumber" name="252" href="#252">252</a> }
<a class="jxr_linenumber" name="253" href="#253">253</a> }
<a class="jxr_linenumber" name="254" href="#254">254</a> client = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="255" href="#255">255</a> }
<a class="jxr_linenumber" name="256" href="#256">256</a>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment"> * Thread-safe List management of a batch.</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">EventList</a> <strong class="jxr_keyword">extends</strong> ArrayList&lt;AvroFlumeEvent&gt; {
<a class="jxr_linenumber" name="261" href="#261">261</a>
<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> List&lt;AvroFlumeEvent&gt; addAndGet(AvroFlumeEvent event, <strong class="jxr_keyword">int</strong> batchSize) {
<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">super</strong>.add(event);
<a class="jxr_linenumber" name="264" href="#264">264</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.size() &gt;= batchSize) {
<a class="jxr_linenumber" name="265" href="#265">265</a> List&lt;AvroFlumeEvent&gt; events = <strong class="jxr_keyword">new</strong> ArrayList&lt;AvroFlumeEvent&gt;();
<a class="jxr_linenumber" name="266" href="#266">266</a> events.addAll(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="267" href="#267">267</a> clear();
<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">return</strong> events;
<a class="jxr_linenumber" name="269" href="#269">269</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="271" href="#271">271</a> }
<a class="jxr_linenumber" name="272" href="#272">272</a> }
<a class="jxr_linenumber" name="273" href="#273">273</a> }
<a class="jxr_linenumber" name="274" href="#274">274</a>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * Factory data.</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FactoryData</a> {
<a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents;
<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> batchSize;
<a class="jxr_linenumber" name="281" href="#281">281</a>
<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment"> * Constructor.</em>
<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment"> * @param agents The agents.</em>
<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment"> * @param batchSize The number of events to include in a batch.</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FactoryData</a>(<a href="../../../../../../org/apache/logging/log4j/flume/appender/Agent.html">Agent</a>[] agents, <strong class="jxr_keyword">int</strong> batchSize) {
<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">this</strong>.agents = agents;
<a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">this</strong>.batchSize = batchSize;
<a class="jxr_linenumber" name="290" href="#290">290</a> }
<a class="jxr_linenumber" name="291" href="#291">291</a> }
<a class="jxr_linenumber" name="292" href="#292">292</a>
<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment"> * Avro Manager Factory.</em>
<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="296" href="#296">296</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">AvroManagerFactory</a> <strong class="jxr_keyword">implements</strong> ManagerFactory&lt;FlumeAvroManager, FactoryData&gt; {
<a class="jxr_linenumber" name="297" href="#297">297</a>
<a class="jxr_linenumber" name="298" href="#298">298</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_javadoccomment"> * Create the FlumeAvroManager.</em>
<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment"> * @param name The name of the entity to manage.</em>
<a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_javadoccomment"> * @param data The data required to create the entity.</em>
<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_javadoccomment"> * @return The FlumeAvroManager.</em>
<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FlumeAvroManager</a> createManager(String name, <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FactoryData</a> data) {
<a class="jxr_linenumber" name="305" href="#305">305</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="306" href="#306">306</a>
<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/flume/appender/FlumeAvroManager.html">FlumeAvroManager</a>(name, data.agents, data.batchSize);
<a class="jxr_linenumber" name="308" href="#308">308</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) {
<a class="jxr_linenumber" name="309" href="#309">309</a> LOGGER.error(<span class="jxr_string">"Could not create FlumeAvroManager"</span>, ex);
<a class="jxr_linenumber" name="310" href="#310">310</a> }
<a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="312" href="#312">312</a> }
<a class="jxr_linenumber" name="313" href="#313">313</a> }
<a class="jxr_linenumber" name="314" href="#314">314</a>
<a class="jxr_linenumber" name="315" href="#315">315</a> }
</pre>
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