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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.ipc;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.io.crypto.tls.X509Util.HBASE_SERVER_NETTY_TLS_ENABLED;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.io.crypto.tls.X509Util.HBASE_SERVER_NETTY_TLS_SUPPORTPLAINTEXT;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.io.crypto.tls.X509Util.TLS_CONFIG_REVERSE_DNS_LOOKUP_ENABLED;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.InterruptedIOException;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.net.InetSocketAddress;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.net.SocketAddress;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.CountDownLatch;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicReference;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseServerBase;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Server;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.exceptions.X509Exception;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.io.FileChangeWatcher;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.io.crypto.tls.X509Util;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.HBasePolicyProvider;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.NettyEventLoopGroupConfig;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.security.authorize.ServiceAuthorizationManager;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.io.netty.bootstrap.ServerBootstrap;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.io.netty.buffer.PooledByteBufAllocator;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.io.netty.buffer.UnpooledByteBufAllocator;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hbase.thirdparty.io.netty.channel.Channel;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelInitializer;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelOption;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelPipeline;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.io.netty.channel.ServerChannel;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.io.netty.channel.group.ChannelGroup;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.io.netty.channel.group.DefaultChannelGroup;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.io.netty.handler.codec.FixedLengthFrameDecoder;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.io.netty.handler.ssl.OptionalSslHandler;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hbase.thirdparty.io.netty.handler.ssl.SslContext;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.apache.hbase.thirdparty.io.netty.handler.ssl.SslHandler;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.GlobalEventExecutor;<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span>/**<a name="line.64"></a>
<span class="sourceLineNo">065</span> * An RPC server with Netty4 implementation.<a name="line.65"></a>
<span class="sourceLineNo">066</span> * @since 2.0.0<a name="line.66"></a>
<span class="sourceLineNo">067</span> */<a name="line.67"></a>
<span class="sourceLineNo">068</span>@InterfaceAudience.LimitedPrivate({ HBaseInterfaceAudience.CONFIG })<a name="line.68"></a>
<span class="sourceLineNo">069</span>public class NettyRpcServer extends RpcServer {<a name="line.69"></a>
<span class="sourceLineNo">070</span> public static final Logger LOG = LoggerFactory.getLogger(NettyRpcServer.class);<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> /**<a name="line.72"></a>
<span class="sourceLineNo">073</span> * Name of property to change the byte buf allocator for the netty channels. Default is no value,<a name="line.73"></a>
<span class="sourceLineNo">074</span> * which causes us to use PooledByteBufAllocator. Valid settings here are "pooled", "unpooled",<a name="line.74"></a>
<span class="sourceLineNo">075</span> * and "heap", or, the name of a class implementing ByteBufAllocator.<a name="line.75"></a>
<span class="sourceLineNo">076</span> * &lt;p&gt;<a name="line.76"></a>
<span class="sourceLineNo">077</span> * "pooled" and "unpooled" may prefer direct memory depending on netty configuration, which is<a name="line.77"></a>
<span class="sourceLineNo">078</span> * controlled by platform specific code and documented system properties.<a name="line.78"></a>
<span class="sourceLineNo">079</span> * &lt;p&gt;<a name="line.79"></a>
<span class="sourceLineNo">080</span> * "heap" will prefer heap arena allocations.<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
<span class="sourceLineNo">082</span> public static final String HBASE_NETTY_ALLOCATOR_KEY = "hbase.netty.rpcserver.allocator";<a name="line.82"></a>
<span class="sourceLineNo">083</span> static final String POOLED_ALLOCATOR_TYPE = "pooled";<a name="line.83"></a>
<span class="sourceLineNo">084</span> static final String UNPOOLED_ALLOCATOR_TYPE = "unpooled";<a name="line.84"></a>
<span class="sourceLineNo">085</span> static final String HEAP_ALLOCATOR_TYPE = "heap";<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span> private final InetSocketAddress bindAddress;<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> private final CountDownLatch closed = new CountDownLatch(1);<a name="line.89"></a>
<span class="sourceLineNo">090</span> private final Channel serverChannel;<a name="line.90"></a>
<span class="sourceLineNo">091</span> final ChannelGroup allChannels = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE, true);<a name="line.91"></a>
<span class="sourceLineNo">092</span> private final ByteBufAllocator channelAllocator;<a name="line.92"></a>
<span class="sourceLineNo">093</span> private final AtomicReference&lt;SslContext&gt; sslContextForServer = new AtomicReference&lt;&gt;();<a name="line.93"></a>
<span class="sourceLineNo">094</span> private final AtomicReference&lt;FileChangeWatcher&gt; keyStoreWatcher = new AtomicReference&lt;&gt;();<a name="line.94"></a>
<span class="sourceLineNo">095</span> private final AtomicReference&lt;FileChangeWatcher&gt; trustStoreWatcher = new AtomicReference&lt;&gt;();<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> public NettyRpcServer(Server server, String name, List&lt;BlockingServiceAndInterface&gt; services,<a name="line.97"></a>
<span class="sourceLineNo">098</span> InetSocketAddress bindAddress, Configuration conf, RpcScheduler scheduler,<a name="line.98"></a>
<span class="sourceLineNo">099</span> boolean reservoirEnabled) throws IOException {<a name="line.99"></a>
<span class="sourceLineNo">100</span> super(server, name, services, bindAddress, conf, scheduler, reservoirEnabled);<a name="line.100"></a>
<span class="sourceLineNo">101</span> this.bindAddress = bindAddress;<a name="line.101"></a>
<span class="sourceLineNo">102</span> this.channelAllocator = getChannelAllocator(conf);<a name="line.102"></a>
<span class="sourceLineNo">103</span> // Get the event loop group configuration from the server class if available.<a name="line.103"></a>
<span class="sourceLineNo">104</span> NettyEventLoopGroupConfig config = null;<a name="line.104"></a>
<span class="sourceLineNo">105</span> if (server instanceof HBaseServerBase) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> config = ((HBaseServerBase&lt;?&gt;) server).getEventLoopGroupConfig();<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span> if (config == null) {<a name="line.108"></a>
<span class="sourceLineNo">109</span> config = new NettyEventLoopGroupConfig(conf, "NettyRpcServer");<a name="line.109"></a>
<span class="sourceLineNo">110</span> }<a name="line.110"></a>
<span class="sourceLineNo">111</span> EventLoopGroup eventLoopGroup = config.group();<a name="line.111"></a>
<span class="sourceLineNo">112</span> Class&lt;? extends ServerChannel&gt; channelClass = config.serverChannelClass();<a name="line.112"></a>
<span class="sourceLineNo">113</span> ServerBootstrap bootstrap = new ServerBootstrap().group(eventLoopGroup).channel(channelClass)<a name="line.113"></a>
<span class="sourceLineNo">114</span> .childOption(ChannelOption.TCP_NODELAY, tcpNoDelay)<a name="line.114"></a>
<span class="sourceLineNo">115</span> .childOption(ChannelOption.SO_KEEPALIVE, tcpKeepAlive)<a name="line.115"></a>
<span class="sourceLineNo">116</span> .childOption(ChannelOption.SO_REUSEADDR, true)<a name="line.116"></a>
<span class="sourceLineNo">117</span> .childHandler(new ChannelInitializer&lt;Channel&gt;() {<a name="line.117"></a>
<span class="sourceLineNo">118</span> @Override<a name="line.118"></a>
<span class="sourceLineNo">119</span> protected void initChannel(Channel ch) throws Exception {<a name="line.119"></a>
<span class="sourceLineNo">120</span> ch.config().setAllocator(channelAllocator);<a name="line.120"></a>
<span class="sourceLineNo">121</span> ChannelPipeline pipeline = ch.pipeline();<a name="line.121"></a>
<span class="sourceLineNo">122</span> FixedLengthFrameDecoder preambleDecoder = new FixedLengthFrameDecoder(6);<a name="line.122"></a>
<span class="sourceLineNo">123</span> preambleDecoder.setSingleDecode(true);<a name="line.123"></a>
<span class="sourceLineNo">124</span> if (conf.getBoolean(HBASE_SERVER_NETTY_TLS_ENABLED, false)) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> initSSL(pipeline, conf.getBoolean(HBASE_SERVER_NETTY_TLS_SUPPORTPLAINTEXT, true));<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span> pipeline.addLast(NettyRpcServerPreambleHandler.DECODER_NAME, preambleDecoder)<a name="line.127"></a>
<span class="sourceLineNo">128</span> .addLast(createNettyRpcServerPreambleHandler())<a name="line.128"></a>
<span class="sourceLineNo">129</span> // We need NettyRpcServerResponseEncoder here because NettyRpcServerPreambleHandler may<a name="line.129"></a>
<span class="sourceLineNo">130</span> // send RpcResponse to client.<a name="line.130"></a>
<span class="sourceLineNo">131</span> .addLast(NettyRpcServerResponseEncoder.NAME,<a name="line.131"></a>
<span class="sourceLineNo">132</span> new NettyRpcServerResponseEncoder(metrics));<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span> });<a name="line.134"></a>
<span class="sourceLineNo">135</span> try {<a name="line.135"></a>
<span class="sourceLineNo">136</span> serverChannel = bootstrap.bind(this.bindAddress).sync().channel();<a name="line.136"></a>
<span class="sourceLineNo">137</span> LOG.info("Bind to {}", serverChannel.localAddress());<a name="line.137"></a>
<span class="sourceLineNo">138</span> } catch (InterruptedException e) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> throw new InterruptedIOException(e.getMessage());<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span> initReconfigurable(conf);<a name="line.141"></a>
<span class="sourceLineNo">142</span> this.scheduler.init(new RpcSchedulerContext(this));<a name="line.142"></a>
<span class="sourceLineNo">143</span> }<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> private ByteBufAllocator getChannelAllocator(Configuration conf) throws IOException {<a name="line.145"></a>
<span class="sourceLineNo">146</span> final String value = conf.get(HBASE_NETTY_ALLOCATOR_KEY);<a name="line.146"></a>
<span class="sourceLineNo">147</span> if (value != null) {<a name="line.147"></a>
<span class="sourceLineNo">148</span> if (POOLED_ALLOCATOR_TYPE.equalsIgnoreCase(value)) {<a name="line.148"></a>
<span class="sourceLineNo">149</span> LOG.info("Using {} for buffer allocation", PooledByteBufAllocator.class.getName());<a name="line.149"></a>
<span class="sourceLineNo">150</span> return PooledByteBufAllocator.DEFAULT;<a name="line.150"></a>
<span class="sourceLineNo">151</span> } else if (UNPOOLED_ALLOCATOR_TYPE.equalsIgnoreCase(value)) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> LOG.info("Using {} for buffer allocation", UnpooledByteBufAllocator.class.getName());<a name="line.152"></a>
<span class="sourceLineNo">153</span> return UnpooledByteBufAllocator.DEFAULT;<a name="line.153"></a>
<span class="sourceLineNo">154</span> } else if (HEAP_ALLOCATOR_TYPE.equalsIgnoreCase(value)) {<a name="line.154"></a>
<span class="sourceLineNo">155</span> LOG.info("Using {} for buffer allocation", HeapByteBufAllocator.class.getName());<a name="line.155"></a>
<span class="sourceLineNo">156</span> return HeapByteBufAllocator.DEFAULT;<a name="line.156"></a>
<span class="sourceLineNo">157</span> } else {<a name="line.157"></a>
<span class="sourceLineNo">158</span> // If the value is none of the recognized labels, treat it as a class name. This allows the<a name="line.158"></a>
<span class="sourceLineNo">159</span> // user to supply a custom implementation, perhaps for debugging.<a name="line.159"></a>
<span class="sourceLineNo">160</span> try {<a name="line.160"></a>
<span class="sourceLineNo">161</span> // ReflectionUtils throws UnsupportedOperationException if there are any problems.<a name="line.161"></a>
<span class="sourceLineNo">162</span> ByteBufAllocator alloc = (ByteBufAllocator) ReflectionUtils.newInstance(value);<a name="line.162"></a>
<span class="sourceLineNo">163</span> LOG.info("Using {} for buffer allocation", value);<a name="line.163"></a>
<span class="sourceLineNo">164</span> return alloc;<a name="line.164"></a>
<span class="sourceLineNo">165</span> } catch (ClassCastException | UnsupportedOperationException e) {<a name="line.165"></a>
<span class="sourceLineNo">166</span> throw new IOException(e);<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
<span class="sourceLineNo">169</span> } else {<a name="line.169"></a>
<span class="sourceLineNo">170</span> LOG.info("Using {} for buffer allocation", PooledByteBufAllocator.class.getName());<a name="line.170"></a>
<span class="sourceLineNo">171</span> return PooledByteBufAllocator.DEFAULT;<a name="line.171"></a>
<span class="sourceLineNo">172</span> }<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> // will be overriden in tests<a name="line.175"></a>
<span class="sourceLineNo">176</span> @InterfaceAudience.Private<a name="line.176"></a>
<span class="sourceLineNo">177</span> protected NettyRpcServerPreambleHandler createNettyRpcServerPreambleHandler() {<a name="line.177"></a>
<span class="sourceLineNo">178</span> return new NettyRpcServerPreambleHandler(NettyRpcServer.this);<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span> @Override<a name="line.181"></a>
<span class="sourceLineNo">182</span> public synchronized void start() {<a name="line.182"></a>
<span class="sourceLineNo">183</span> if (started) {<a name="line.183"></a>
<span class="sourceLineNo">184</span> return;<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span> authTokenSecretMgr = createSecretManager();<a name="line.186"></a>
<span class="sourceLineNo">187</span> if (authTokenSecretMgr != null) {<a name="line.187"></a>
<span class="sourceLineNo">188</span> // Start AuthenticationTokenSecretManager in synchronized way to avoid race conditions in<a name="line.188"></a>
<span class="sourceLineNo">189</span> // LeaderElector start. See HBASE-25875<a name="line.189"></a>
<span class="sourceLineNo">190</span> synchronized (authTokenSecretMgr) {<a name="line.190"></a>
<span class="sourceLineNo">191</span> setSecretManager(authTokenSecretMgr);<a name="line.191"></a>
<span class="sourceLineNo">192</span> authTokenSecretMgr.start();<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span> this.authManager = new ServiceAuthorizationManager();<a name="line.195"></a>
<span class="sourceLineNo">196</span> HBasePolicyProvider.init(conf, authManager);<a name="line.196"></a>
<span class="sourceLineNo">197</span> scheduler.start();<a name="line.197"></a>
<span class="sourceLineNo">198</span> started = true;<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> @Override<a name="line.201"></a>
<span class="sourceLineNo">202</span> public synchronized void stop() {<a name="line.202"></a>
<span class="sourceLineNo">203</span> if (!running) {<a name="line.203"></a>
<span class="sourceLineNo">204</span> return;<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span> LOG.info("Stopping server on " + this.serverChannel.localAddress());<a name="line.206"></a>
<span class="sourceLineNo">207</span> FileChangeWatcher ks = keyStoreWatcher.getAndSet(null);<a name="line.207"></a>
<span class="sourceLineNo">208</span> if (ks != null) {<a name="line.208"></a>
<span class="sourceLineNo">209</span> ks.stop();<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span> FileChangeWatcher ts = trustStoreWatcher.getAndSet(null);<a name="line.211"></a>
<span class="sourceLineNo">212</span> if (ts != null) {<a name="line.212"></a>
<span class="sourceLineNo">213</span> ts.stop();<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span> if (authTokenSecretMgr != null) {<a name="line.215"></a>
<span class="sourceLineNo">216</span> authTokenSecretMgr.stop();<a name="line.216"></a>
<span class="sourceLineNo">217</span> authTokenSecretMgr = null;<a name="line.217"></a>
<span class="sourceLineNo">218</span> }<a name="line.218"></a>
<span class="sourceLineNo">219</span> allChannels.close().awaitUninterruptibly();<a name="line.219"></a>
<span class="sourceLineNo">220</span> serverChannel.close();<a name="line.220"></a>
<span class="sourceLineNo">221</span> scheduler.stop();<a name="line.221"></a>
<span class="sourceLineNo">222</span> closed.countDown();<a name="line.222"></a>
<span class="sourceLineNo">223</span> running = false;<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span> @Override<a name="line.226"></a>
<span class="sourceLineNo">227</span> public synchronized void join() throws InterruptedException {<a name="line.227"></a>
<span class="sourceLineNo">228</span> closed.await();<a name="line.228"></a>
<span class="sourceLineNo">229</span> }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> @Override<a name="line.231"></a>
<span class="sourceLineNo">232</span> public synchronized InetSocketAddress getListenerAddress() {<a name="line.232"></a>
<span class="sourceLineNo">233</span> return ((InetSocketAddress) serverChannel.localAddress());<a name="line.233"></a>
<span class="sourceLineNo">234</span> }<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span> @Override<a name="line.236"></a>
<span class="sourceLineNo">237</span> public void setSocketSendBufSize(int size) {<a name="line.237"></a>
<span class="sourceLineNo">238</span> }<a name="line.238"></a>
<span class="sourceLineNo">239</span><a name="line.239"></a>
<span class="sourceLineNo">240</span> @Override<a name="line.240"></a>
<span class="sourceLineNo">241</span> public int getNumOpenConnections() {<a name="line.241"></a>
<span class="sourceLineNo">242</span> return allChannels.size();<a name="line.242"></a>
<span class="sourceLineNo">243</span> }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span> private void initSSL(ChannelPipeline p, boolean supportPlaintext)<a name="line.245"></a>
<span class="sourceLineNo">246</span> throws X509Exception, IOException {<a name="line.246"></a>
<span class="sourceLineNo">247</span> SslContext nettySslContext = getSslContext();<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span> if (supportPlaintext) {<a name="line.249"></a>
<span class="sourceLineNo">250</span> p.addLast("ssl", new OptionalSslHandler(nettySslContext));<a name="line.250"></a>
<span class="sourceLineNo">251</span> LOG.debug("Dual mode SSL handler added for channel: {}", p.channel());<a name="line.251"></a>
<span class="sourceLineNo">252</span> } else {<a name="line.252"></a>
<span class="sourceLineNo">253</span> SocketAddress remoteAddress = p.channel().remoteAddress();<a name="line.253"></a>
<span class="sourceLineNo">254</span> SslHandler sslHandler;<a name="line.254"></a>
<span class="sourceLineNo">255</span><a name="line.255"></a>
<span class="sourceLineNo">256</span> if (remoteAddress instanceof InetSocketAddress) {<a name="line.256"></a>
<span class="sourceLineNo">257</span> InetSocketAddress remoteInetAddress = (InetSocketAddress) remoteAddress;<a name="line.257"></a>
<span class="sourceLineNo">258</span> String host;<a name="line.258"></a>
<span class="sourceLineNo">259</span><a name="line.259"></a>
<span class="sourceLineNo">260</span> if (conf.getBoolean(TLS_CONFIG_REVERSE_DNS_LOOKUP_ENABLED, true)) {<a name="line.260"></a>
<span class="sourceLineNo">261</span> host = remoteInetAddress.getHostName();<a name="line.261"></a>
<span class="sourceLineNo">262</span> } else {<a name="line.262"></a>
<span class="sourceLineNo">263</span> host = remoteInetAddress.getHostString();<a name="line.263"></a>
<span class="sourceLineNo">264</span> }<a name="line.264"></a>
<span class="sourceLineNo">265</span><a name="line.265"></a>
<span class="sourceLineNo">266</span> int port = remoteInetAddress.getPort();<a name="line.266"></a>
<span class="sourceLineNo">267</span><a name="line.267"></a>
<span class="sourceLineNo">268</span> /*<a name="line.268"></a>
<span class="sourceLineNo">269</span> * our HostnameVerifier gets the host name from SSLEngine, so we have to construct the<a name="line.269"></a>
<span class="sourceLineNo">270</span> * engine properly by passing the remote address<a name="line.270"></a>
<span class="sourceLineNo">271</span> */<a name="line.271"></a>
<span class="sourceLineNo">272</span> sslHandler = nettySslContext.newHandler(p.channel().alloc(), host, port);<a name="line.272"></a>
<span class="sourceLineNo">273</span> } else {<a name="line.273"></a>
<span class="sourceLineNo">274</span> sslHandler = nettySslContext.newHandler(p.channel().alloc());<a name="line.274"></a>
<span class="sourceLineNo">275</span> }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span> p.addLast("ssl", sslHandler);<a name="line.277"></a>
<span class="sourceLineNo">278</span> LOG.debug("SSL handler added for channel: {}", p.channel());<a name="line.278"></a>
<span class="sourceLineNo">279</span> }<a name="line.279"></a>
<span class="sourceLineNo">280</span> }<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span> SslContext getSslContext() throws X509Exception, IOException {<a name="line.282"></a>
<span class="sourceLineNo">283</span> SslContext result = sslContextForServer.get();<a name="line.283"></a>
<span class="sourceLineNo">284</span> if (result == null) {<a name="line.284"></a>
<span class="sourceLineNo">285</span> result = X509Util.createSslContextForServer(conf);<a name="line.285"></a>
<span class="sourceLineNo">286</span> if (!sslContextForServer.compareAndSet(null, result)) {<a name="line.286"></a>
<span class="sourceLineNo">287</span> // lost the race, another thread already set the value<a name="line.287"></a>
<span class="sourceLineNo">288</span> result = sslContextForServer.get();<a name="line.288"></a>
<span class="sourceLineNo">289</span> } else if (<a name="line.289"></a>
<span class="sourceLineNo">290</span> keyStoreWatcher.get() == null &amp;&amp; trustStoreWatcher.get() == null<a name="line.290"></a>
<span class="sourceLineNo">291</span> &amp;&amp; conf.getBoolean(X509Util.TLS_CERT_RELOAD, false)<a name="line.291"></a>
<span class="sourceLineNo">292</span> ) {<a name="line.292"></a>
<span class="sourceLineNo">293</span> X509Util.enableCertFileReloading(conf, keyStoreWatcher, trustStoreWatcher,<a name="line.293"></a>
<span class="sourceLineNo">294</span> () -&gt; sslContextForServer.set(null));<a name="line.294"></a>
<span class="sourceLineNo">295</span> }<a name="line.295"></a>
<span class="sourceLineNo">296</span> }<a name="line.296"></a>
<span class="sourceLineNo">297</span> return result;<a name="line.297"></a>
<span class="sourceLineNo">298</span> }<a name="line.298"></a>
<span class="sourceLineNo">299</span>}<a name="line.299"></a>
</pre>
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