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| <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</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="10" href="#10">10</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="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.omid.tso; |
| <a class="jxr_linenumber" name="19" href="#19">19</a> |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.annotations.VisibleForTesting; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.MetricsRegistry; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.omid.proto.TSOProto; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.bootstrap.ServerBootstrap; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFactory; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipelineFactory; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channels; |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ExceptionEvent; |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent; |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.SimpleChannelHandler; |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.group.ChannelGroup; |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.group.DefaultChannelGroup; |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory; |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder; |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.LengthFieldPrepender; |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.protobuf.ProtobufDecoder; |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.protobuf.ProtobufEncoder; |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a class="jxr_linenumber" name="45" href="#45">45</a> |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> javax.inject.Inject; |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> java.io.Closeable; |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress; |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> java.nio.channels.ClosedChannelException; |
| <a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors; |
| <a class="jxr_linenumber" name="52" href="#52">52</a> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * ChannelHandler for the TSO Server.</em> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * Incoming requests are processed in this class</em> |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelHandler</a> <strong class="jxr_keyword">extends</strong> SimpleChannelHandler <strong class="jxr_keyword">implements</strong> Closeable { |
| <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">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(TSOChannelHandler.<strong class="jxr_keyword">class</strong>); |
| <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> <strong class="jxr_keyword">final</strong> ChannelFactory factory; |
| <a class="jxr_linenumber" name="63" href="#63">63</a> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ServerBootstrap bootstrap; |
| <a class="jxr_linenumber" name="65" href="#65">65</a> |
| <a class="jxr_linenumber" name="66" href="#66">66</a> @VisibleForTesting |
| <a class="jxr_linenumber" name="67" href="#67">67</a> Channel listeningChannel; |
| <a class="jxr_linenumber" name="68" href="#68">68</a> @VisibleForTesting |
| <a class="jxr_linenumber" name="69" href="#69">69</a> ChannelGroup channelGroup; |
| <a class="jxr_linenumber" name="70" href="#70">70</a> |
| <a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/tso/RequestProcessor.html">RequestProcessor</a> requestProcessor; |
| <a class="jxr_linenumber" name="72" href="#72">72</a> |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/tso/TSOServerConfig.html">TSOServerConfig</a> config; |
| <a class="jxr_linenumber" name="74" href="#74">74</a> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/metrics/MetricsRegistry.html">MetricsRegistry</a> metrics; |
| <a class="jxr_linenumber" name="76" href="#76">76</a> |
| <a class="jxr_linenumber" name="77" href="#77">77</a> @Inject |
| <a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelHandler</a>(<a href="../../../../org/apache/omid/tso/TSOServerConfig.html">TSOServerConfig</a> config, <a href="../../../../org/apache/omid/tso/RequestProcessor.html">RequestProcessor</a> requestProcessor, <a href="../../../../org/apache/omid/metrics/MetricsRegistry.html">MetricsRegistry</a> metrics) { |
| <a class="jxr_linenumber" name="79" href="#79">79</a> |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">this</strong>.config = config; |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">this</strong>.metrics = metrics; |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">this</strong>.requestProcessor = requestProcessor; |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_comment">// Setup netty listener</em> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">this</strong>.factory = <strong class="jxr_keyword">new</strong> NioServerSocketChannelFactory( |
| <a class="jxr_linenumber" name="85" href="#85">85</a> Executors.newCachedThreadPool(<strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"boss-%d"</span>).build()), |
| <a class="jxr_linenumber" name="86" href="#86">86</a> Executors.newCachedThreadPool(<strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"worker-%d"</span>).build()), |
| <a class="jxr_linenumber" name="87" href="#87">87</a> (Runtime.getRuntime().availableProcessors() * 2 + 1) * 2); |
| <a class="jxr_linenumber" name="88" href="#88">88</a> |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">this</strong>.bootstrap = <strong class="jxr_keyword">new</strong> ServerBootstrap(factory); |
| <a class="jxr_linenumber" name="90" href="#90">90</a> bootstrap.setPipelineFactory(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOPipelineFactory</a>(<strong class="jxr_keyword">this</strong>)); |
| <a class="jxr_linenumber" name="91" href="#91">91</a> |
| <a class="jxr_linenumber" name="92" href="#92">92</a> } |
| <a class="jxr_linenumber" name="93" href="#93">93</a> |
| <a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Allows to create and connect the communication channel closing the previous one if existed</em> |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">void</strong> reconnect() { |
| <a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">if</strong> (listeningChannel == <strong class="jxr_keyword">null</strong> && channelGroup == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="99" href="#99">99</a> LOG.debug(<span class="jxr_string">"Creating communication channel..."</span>); |
| <a class="jxr_linenumber" name="100" href="#100">100</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="101" href="#101">101</a> LOG.debug(<span class="jxr_string">"Reconnecting communication channel..."</span>); |
| <a class="jxr_linenumber" name="102" href="#102">102</a> closeConnection(); |
| <a class="jxr_linenumber" name="103" href="#103">103</a> } |
| <a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_comment">// Create the global ChannelGroup</em> |
| <a class="jxr_linenumber" name="105" href="#105">105</a> channelGroup = <strong class="jxr_keyword">new</strong> DefaultChannelGroup(TSOChannelHandler.<strong class="jxr_keyword">class</strong>.getName()); |
| <a class="jxr_linenumber" name="106" href="#106">106</a> LOG.debug(<span class="jxr_string">"\tCreating channel to listening for incoming connections in port {}"</span>, config.getPort()); |
| <a class="jxr_linenumber" name="107" href="#107">107</a> listeningChannel = bootstrap.bind(<strong class="jxr_keyword">new</strong> InetSocketAddress(config.getPort())); |
| <a class="jxr_linenumber" name="108" href="#108">108</a> channelGroup.add(listeningChannel); |
| <a class="jxr_linenumber" name="109" href="#109">109</a> LOG.debug(<span class="jxr_string">"\tListening channel created and connected: {}"</span>, listeningChannel); |
| <a class="jxr_linenumber" name="110" href="#110">110</a> } |
| <a class="jxr_linenumber" name="111" href="#111">111</a> |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * Allows to close the communication channel</em> |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">void</strong> closeConnection() { |
| <a class="jxr_linenumber" name="116" href="#116">116</a> LOG.debug(<span class="jxr_string">"Closing communication channel..."</span>); |
| <a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">if</strong> (listeningChannel != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="118" href="#118">118</a> LOG.debug(<span class="jxr_string">"\tUnbinding listening channel {}"</span>, listeningChannel); |
| <a class="jxr_linenumber" name="119" href="#119">119</a> listeningChannel.unbind().awaitUninterruptibly(); |
| <a class="jxr_linenumber" name="120" href="#120">120</a> LOG.debug(<span class="jxr_string">"\tListening channel {} unbound"</span>, listeningChannel); |
| <a class="jxr_linenumber" name="121" href="#121">121</a> } |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">if</strong> (channelGroup != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="123" href="#123">123</a> LOG.debug(<span class="jxr_string">"\tClosing channel group {}"</span>, channelGroup); |
| <a class="jxr_linenumber" name="124" href="#124">124</a> channelGroup.close().awaitUninterruptibly(); |
| <a class="jxr_linenumber" name="125" href="#125">125</a> LOG.debug(<span class="jxr_string">"\tChannel group {} closed"</span>, channelGroup); |
| <a class="jxr_linenumber" name="126" href="#126">126</a> } |
| <a class="jxr_linenumber" name="127" href="#127">127</a> } |
| <a class="jxr_linenumber" name="128" href="#128">128</a> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_comment">// Netty SimpleChannelHandler implementation</em> |
| <a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="132" href="#132">132</a> |
| <a class="jxr_linenumber" name="133" href="#133">133</a> @Override |
| <a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="135" href="#135">135</a> channelGroup.add(ctx.getChannel()); |
| <a class="jxr_linenumber" name="136" href="#136">136</a> LOG.debug(<span class="jxr_string">"TSO channel connected: {}"</span>, ctx.getChannel()); |
| <a class="jxr_linenumber" name="137" href="#137">137</a> } |
| <a class="jxr_linenumber" name="138" href="#138">138</a> |
| <a class="jxr_linenumber" name="139" href="#139">139</a> @Override |
| <a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelDisconnected(ChannelHandlerContext ctx, ChannelStateEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="141" href="#141">141</a> channelGroup.remove(ctx.getChannel()); |
| <a class="jxr_linenumber" name="142" href="#142">142</a> LOG.debug(<span class="jxr_string">"TSO channel disconnected: {}"</span>, ctx.getChannel()); |
| <a class="jxr_linenumber" name="143" href="#143">143</a> } |
| <a class="jxr_linenumber" name="144" href="#144">144</a> |
| <a class="jxr_linenumber" name="145" href="#145">145</a> @Override |
| <a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelClosed(ChannelHandlerContext ctx, ChannelStateEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="147" href="#147">147</a> LOG.debug(<span class="jxr_string">"TSO channel closed: {}"</span>, ctx.getChannel()); |
| <a class="jxr_linenumber" name="148" href="#148">148</a> } |
| <a class="jxr_linenumber" name="149" href="#149">149</a> |
| <a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * Handle received messages</em> |
| <a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="153" href="#153">153</a> @Override |
| <a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(ChannelHandlerContext ctx, MessageEvent e) { |
| <a class="jxr_linenumber" name="155" href="#155">155</a> Object msg = e.getMessage(); |
| <a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">if</strong> (msg instanceof TSOProto.Request) { |
| <a class="jxr_linenumber" name="157" href="#157">157</a> TSOProto.Request request = (TSOProto.Request) msg; |
| <a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">if</strong> (request.hasHandshakeRequest()) { |
| <a class="jxr_linenumber" name="159" href="#159">159</a> checkHandshake(ctx, request.getHandshakeRequest()); |
| <a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="161" href="#161">161</a> } |
| <a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">if</strong> (!handshakeCompleted(ctx)) { |
| <a class="jxr_linenumber" name="163" href="#163">163</a> LOG.error(<span class="jxr_string">"Handshake not completed. Closing channel {}"</span>, ctx.getChannel()); |
| <a class="jxr_linenumber" name="164" href="#164">164</a> ctx.getChannel().close(); |
| <a class="jxr_linenumber" name="165" href="#165">165</a> } |
| <a class="jxr_linenumber" name="166" href="#166">166</a> |
| <a class="jxr_linenumber" name="167" href="#167">167</a> <strong class="jxr_keyword">if</strong> (request.hasTimestampRequest()) { |
| <a class="jxr_linenumber" name="168" href="#168">168</a> requestProcessor.timestampRequest(ctx.getChannel(), MonitoringContextFactory.getInstance(config,metrics)); |
| <a class="jxr_linenumber" name="169" href="#169">169</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (request.hasCommitRequest()) { |
| <a class="jxr_linenumber" name="170" href="#170">170</a> TSOProto.CommitRequest cr = request.getCommitRequest(); |
| <a class="jxr_linenumber" name="171" href="#171">171</a> requestProcessor.commitRequest(cr.getStartTimestamp(), |
| <a class="jxr_linenumber" name="172" href="#172">172</a> cr.getCellIdList(), |
| <a class="jxr_linenumber" name="173" href="#173">173</a> cr.getTableIdList(), |
| <a class="jxr_linenumber" name="174" href="#174">174</a> cr.getIsRetry(), |
| <a class="jxr_linenumber" name="175" href="#175">175</a> ctx.getChannel(), |
| <a class="jxr_linenumber" name="176" href="#176">176</a> MonitoringContextFactory.getInstance(config,metrics)); |
| <a class="jxr_linenumber" name="177" href="#177">177</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (request.hasFenceRequest()) { |
| <a class="jxr_linenumber" name="178" href="#178">178</a> TSOProto.FenceRequest fr = request.getFenceRequest(); |
| <a class="jxr_linenumber" name="179" href="#179">179</a> requestProcessor.fenceRequest(fr.getTableId(), |
| <a class="jxr_linenumber" name="180" href="#180">180</a> ctx.getChannel(), |
| <a class="jxr_linenumber" name="181" href="#181">181</a> MonitoringContextFactory.getInstance(config,metrics)); |
| <a class="jxr_linenumber" name="182" href="#182">182</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="183" href="#183">183</a> LOG.error(<span class="jxr_string">"Invalid request {}. Closing channel {}"</span>, request, ctx.getChannel()); |
| <a class="jxr_linenumber" name="184" href="#184">184</a> ctx.getChannel().close(); |
| <a class="jxr_linenumber" name="185" href="#185">185</a> } |
| <a class="jxr_linenumber" name="186" href="#186">186</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="187" href="#187">187</a> LOG.error(<span class="jxr_string">"Unknown message type"</span>, msg); |
| <a class="jxr_linenumber" name="188" href="#188">188</a> } |
| <a class="jxr_linenumber" name="189" href="#189">189</a> } |
| <a class="jxr_linenumber" name="190" href="#190">190</a> |
| <a class="jxr_linenumber" name="191" href="#191">191</a> @SuppressWarnings(<span class="jxr_string">"ThrowableResultOfMethodCallIgnored"</span>) |
| <a class="jxr_linenumber" name="192" href="#192">192</a> @Override |
| <a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) { |
| <a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">if</strong> (e.getCause() instanceof ClosedChannelException) { |
| <a class="jxr_linenumber" name="195" href="#195">195</a> LOG.warn(<span class="jxr_string">"ClosedChannelException caught. Cause: "</span>, e.getCause()); |
| <a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="197" href="#197">197</a> } |
| <a class="jxr_linenumber" name="198" href="#198">198</a> LOG.warn(<span class="jxr_string">"Unexpected exception from downstream. Closing channel {} {}"</span>, ctx.getChannel(), e.getCause()); |
| <a class="jxr_linenumber" name="199" href="#199">199</a> ctx.getChannel().close(); |
| <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> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_comment">// Closeable implementation</em> |
| <a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="205" href="#205">205</a> @Override |
| <a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="207" href="#207">207</a> closeConnection(); |
| <a class="jxr_linenumber" name="208" href="#208">208</a> factory.releaseExternalResources(); |
| <a class="jxr_linenumber" name="209" href="#209">209</a> } |
| <a class="jxr_linenumber" name="210" href="#210">210</a> |
| <a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_comment">// Helper methods and classes</em> |
| <a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="214" href="#214">214</a> |
| <a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment"> * Contains the required context for handshake</em> |
| <a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelContext</a> { |
| <a class="jxr_linenumber" name="219" href="#219">219</a> |
| <a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">boolean</strong> handshakeComplete; |
| <a class="jxr_linenumber" name="221" href="#221">221</a> |
| <a class="jxr_linenumber" name="222" href="#222">222</a> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelContext</a>() { |
| <a class="jxr_linenumber" name="223" href="#223">223</a> handshakeComplete = false; |
| <a class="jxr_linenumber" name="224" href="#224">224</a> } |
| <a class="jxr_linenumber" name="225" href="#225">225</a> |
| <a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">boolean</strong> getHandshakeComplete() { |
| <a class="jxr_linenumber" name="227" href="#227">227</a> <strong class="jxr_keyword">return</strong> handshakeComplete; |
| <a class="jxr_linenumber" name="228" href="#228">228</a> } |
| <a class="jxr_linenumber" name="229" href="#229">229</a> |
| <a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">void</strong> setHandshakeComplete() { |
| <a class="jxr_linenumber" name="231" href="#231">231</a> handshakeComplete = <strong class="jxr_keyword">true</strong>; |
| <a class="jxr_linenumber" name="232" href="#232">232</a> } |
| <a class="jxr_linenumber" name="233" href="#233">233</a> |
| <a class="jxr_linenumber" name="234" href="#234">234</a> } |
| <a class="jxr_linenumber" name="235" href="#235">235</a> |
| <a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkHandshake(<strong class="jxr_keyword">final</strong> ChannelHandlerContext ctx, TSOProto.HandshakeRequest request) { |
| <a class="jxr_linenumber" name="237" href="#237">237</a> |
| <a class="jxr_linenumber" name="238" href="#238">238</a> TSOProto.HandshakeResponse.Builder response = TSOProto.HandshakeResponse.newBuilder(); |
| <a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">if</strong> (request.hasClientCapabilities()) { |
| <a class="jxr_linenumber" name="240" href="#240">240</a> |
| <a class="jxr_linenumber" name="241" href="#241">241</a> response.setClientCompatible(<strong class="jxr_keyword">true</strong>) |
| <a class="jxr_linenumber" name="242" href="#242">242</a> .setServerCapabilities(TSOProto.Capabilities.newBuilder().build()); |
| <a class="jxr_linenumber" name="243" href="#243">243</a> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelContext</a> tsoCtx = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelContext</a>(); |
| <a class="jxr_linenumber" name="244" href="#244">244</a> tsoCtx.setHandshakeComplete(); |
| <a class="jxr_linenumber" name="245" href="#245">245</a> ctx.setAttachment(tsoCtx); |
| <a class="jxr_linenumber" name="246" href="#246">246</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="247" href="#247">247</a> response.setClientCompatible(false); |
| <a class="jxr_linenumber" name="248" href="#248">248</a> } |
| <a class="jxr_linenumber" name="249" href="#249">249</a> response.setLowLatency(config.getLowLatency()); |
| <a class="jxr_linenumber" name="250" href="#250">250</a> ctx.getChannel().write(TSOProto.Response.newBuilder().setHandshakeResponse(response.build()).build()); |
| <a class="jxr_linenumber" name="251" href="#251">251</a> |
| <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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> handshakeCompleted(ChannelHandlerContext ctx) { |
| <a class="jxr_linenumber" name="255" href="#255">255</a> |
| <a class="jxr_linenumber" name="256" href="#256">256</a> Object o = ctx.getAttachment(); |
| <a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">if</strong> (o instanceof TSOChannelContext) { |
| <a class="jxr_linenumber" name="258" href="#258">258</a> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOChannelContext</a> tsoCtx = (TSOChannelContext) o; |
| <a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">return</strong> tsoCtx.getHandshakeComplete(); |
| <a class="jxr_linenumber" name="260" href="#260">260</a> } |
| <a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">return</strong> false; |
| <a class="jxr_linenumber" name="262" href="#262">262</a> |
| <a class="jxr_linenumber" name="263" href="#263">263</a> } |
| <a class="jxr_linenumber" name="264" href="#264">264</a> |
| <a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment"> * Netty pipeline configuration</em> |
| <a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOPipelineFactory</a> <strong class="jxr_keyword">implements</strong> ChannelPipelineFactory { |
| <a class="jxr_linenumber" name="269" href="#269">269</a> |
| <a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ChannelHandler handler; |
| <a class="jxr_linenumber" name="271" href="#271">271</a> |
| <a class="jxr_linenumber" name="272" href="#272">272</a> <a href="../../../../org/apache/omid/tso/TSOChannelHandler.html">TSOPipelineFactory</a>(ChannelHandler handler) { |
| <a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">this</strong>.handler = handler; |
| <a class="jxr_linenumber" name="274" href="#274">274</a> } |
| <a class="jxr_linenumber" name="275" href="#275">275</a> |
| <a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">public</strong> ChannelPipeline getPipeline() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="277" href="#277">277</a> |
| <a class="jxr_linenumber" name="278" href="#278">278</a> ChannelPipeline pipeline = Channels.pipeline(); |
| <a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_comment">// Max packet length is 10MB. Transactions with so many cells</em> |
| <a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_comment">// that the packet is rejected will receive a ServiceUnavailableException.</em> |
| <a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_comment">// 10MB is enough for 2 million cells in a transaction though.</em> |
| <a class="jxr_linenumber" name="282" href="#282">282</a> pipeline.addLast(<span class="jxr_string">"lengthbaseddecoder"</span>, <strong class="jxr_keyword">new</strong> LengthFieldBasedFrameDecoder(10 * 1024 * 1024, 0, 4, 0, 4)); |
| <a class="jxr_linenumber" name="283" href="#283">283</a> pipeline.addLast(<span class="jxr_string">"lengthprepender"</span>, <strong class="jxr_keyword">new</strong> LengthFieldPrepender(4)); |
| <a class="jxr_linenumber" name="284" href="#284">284</a> pipeline.addLast(<span class="jxr_string">"protobufdecoder"</span>, <strong class="jxr_keyword">new</strong> ProtobufDecoder(TSOProto.Request.getDefaultInstance())); |
| <a class="jxr_linenumber" name="285" href="#285">285</a> pipeline.addLast(<span class="jxr_string">"protobufencoder"</span>, <strong class="jxr_keyword">new</strong> ProtobufEncoder()); |
| <a class="jxr_linenumber" name="286" href="#286">286</a> pipeline.addLast(<span class="jxr_string">"handler"</span>, handler); |
| <a class="jxr_linenumber" name="287" href="#287">287</a> |
| <a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">return</strong> pipeline; |
| <a class="jxr_linenumber" name="289" href="#289">289</a> } |
| <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> } |
| </pre> |
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