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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.ipc.CallEvent.Type.CANCELLED;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.ipc.CallEvent.Type.TIMEOUT;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.ipc.IPCUtil.execute;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.ipc.IPCUtil.setCancelled;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.ipc.IPCUtil.toIOE;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.net.InetSocketAddress;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.net.UnknownHostException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.crypto.tls.X509Util;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ipc.BufferCallBeforeInitHandler.BufferCallEvent;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController.CancellationCallback;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.security.NettyHBaseRpcConnectionHeaderHandler;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.security.NettyHBaseSaslRpcClientHandler;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.SaslChallengeDecoder;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.NettyFutureUtils;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.security.UserGroupInformation;<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.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.io.netty.bootstrap.Bootstrap;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufOutputStream;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.io.netty.buffer.Unpooled;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.io.netty.channel.Channel;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelFuture;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelFutureListener;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelInitializer;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelOption;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelPipeline;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.io.netty.handler.codec.LengthFieldBasedFrameDecoder;<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.handler.timeout.IdleStateHandler;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hbase.thirdparty.io.netty.handler.timeout.ReadTimeoutHandler;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hbase.thirdparty.io.netty.util.ReferenceCountUtil;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.Future;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.FutureListener;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.Promise;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeader;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span>/**<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * RPC connection implementation based on netty.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * <p/><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Most operations are executed in handlers. Netty handler is always executed in the same<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * thread(EventLoop) so no lock is needed.<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * <p/><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * <strong>Implementation assumptions:</strong> All the private methods should be called in the<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * {@link #eventLoop} thread, otherwise there will be races.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @since 2.0.0<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span>@InterfaceAudience.Private<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>class NettyRpcConnection extends RpcConnection {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static final Logger LOG = LoggerFactory.getLogger(NettyRpcConnection.class);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static final ScheduledExecutorService RELOGIN_EXECUTOR = Executors<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> .newSingleThreadScheduledExecutor(new ThreadFactoryBuilder().setNameFormat("Relogin-pool-%d")<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> .setDaemon(true).setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private final NettyRpcClient rpcClient;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // the event loop used to set up the connection, we will also execute other operations for this<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // connection in this event loop, to avoid locking everywhere.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private final EventLoop eventLoop;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private ByteBuf connectionHeaderPreamble;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> private ByteBuf connectionHeaderWithLength;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // make it volatile so in the isActive method below we do not need to switch to the event loop<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // thread to access this field.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private volatile Channel channel;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> NettyRpcConnection(NettyRpcClient rpcClient, ConnectionId remoteId) throws IOException {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> super(rpcClient.conf, AbstractRpcClient.WHEEL_TIMER, remoteId, rpcClient.clusterId,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> rpcClient.userProvider.isHBaseSecurityEnabled(), rpcClient.codec, rpcClient.compressor,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> rpcClient.metrics);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> this.rpcClient = rpcClient;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this.eventLoop = rpcClient.group.next();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> byte[] connectionHeaderPreamble = getConnectionHeaderPreamble();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this.connectionHeaderPreamble =<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Unpooled.directBuffer(connectionHeaderPreamble.length).writeBytes(connectionHeaderPreamble);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> ConnectionHeader header = getConnectionHeader();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> this.connectionHeaderWithLength = Unpooled.directBuffer(4 + header.getSerializedSize());<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> this.connectionHeaderWithLength.writeInt(header.getSerializedSize());<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> header.writeTo(new ByteBufOutputStream(this.connectionHeaderWithLength));<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Override<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> protected void callTimeout(Call call) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> execute(eventLoop, () -> {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> if (channel != null) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> channel.pipeline().fireUserEventTriggered(new CallEvent(TIMEOUT, call));<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> });<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> @Override<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public boolean isActive() {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return channel != null;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> private void shutdown0() {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> assert eventLoop.inEventLoop();<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> if (channel != null) {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> channel.close();<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> channel = null;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> @Override<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public void shutdown() {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> execute(eventLoop, this::shutdown0);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @Override<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public void cleanupConnection() {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> execute(eventLoop, () -> {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (connectionHeaderPreamble != null) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> ReferenceCountUtil.safeRelease(connectionHeaderPreamble);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> connectionHeaderPreamble = null;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (connectionHeaderWithLength != null) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> ReferenceCountUtil.safeRelease(connectionHeaderWithLength);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> connectionHeaderWithLength = null;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> });<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> private void established(Channel ch) throws IOException {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> assert eventLoop.inEventLoop();<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> ch.pipeline()<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> .addBefore(BufferCallBeforeInitHandler.NAME, null,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> new IdleStateHandler(0, rpcClient.minIdleTimeBeforeClose, 0, TimeUnit.MILLISECONDS))<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> .addBefore(BufferCallBeforeInitHandler.NAME, null,<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4))<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> .addBefore(BufferCallBeforeInitHandler.NAME, null,<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> new NettyRpcDuplexHandler(this, rpcClient.cellBlockBuilder, codec, compressor))<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> .fireUserEventTriggered(BufferCallEvent.success());<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private boolean reloginInProgress;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> private void scheduleRelogin(Throwable error) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> assert eventLoop.inEventLoop();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> if (error instanceof FallbackDisallowedException) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> return;<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> if (!provider.canRetry()) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> LOG.trace("SASL Provider does not support retries");<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> if (reloginInProgress) {<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> reloginInProgress = true;<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> RELOGIN_EXECUTOR.schedule(() -> {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> try {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> provider.relogin();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> } catch (IOException e) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> LOG.warn("Relogin failed", e);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> eventLoop.execute(() -> {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> reloginInProgress = false;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> });<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }, ThreadLocalRandom.current().nextInt(reloginMaxBackoff), TimeUnit.MILLISECONDS);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> private void failInit(Channel ch, IOException e) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> assert eventLoop.inEventLoop();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // fail all pending calls<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> ch.pipeline().fireUserEventTriggered(BufferCallEvent.fail(e));<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> shutdown0();<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> private void saslNegotiate(final Channel ch) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> assert eventLoop.inEventLoop();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> UserGroupInformation ticket = provider.getRealUser(remoteId.getTicket());<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> if (ticket == null) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> failInit(ch, new FatalConnectionException("ticket/user is null"));<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> return;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> Promise<Boolean> saslPromise = ch.eventLoop().newPromise();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> final NettyHBaseSaslRpcClientHandler saslHandler;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> try {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> saslHandler = new NettyHBaseSaslRpcClientHandler(saslPromise, ticket, provider, token,<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> ((InetSocketAddress) ch.remoteAddress()).getAddress(), securityInfo,<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> rpcClient.fallbackAllowed, this.rpcClient.conf);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> } catch (IOException e) {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> failInit(ch, e);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> ch.pipeline().addBefore(BufferCallBeforeInitHandler.NAME, null, new SaslChallengeDecoder())<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> .addBefore(BufferCallBeforeInitHandler.NAME, NettyHBaseSaslRpcClientHandler.HANDLER_NAME,<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> saslHandler);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> NettyFutureUtils.addListener(saslPromise, new FutureListener<Boolean>() {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> @Override<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> public void operationComplete(Future<Boolean> future) throws Exception {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> if (future.isSuccess()) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> ChannelPipeline p = ch.pipeline();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> // check if negotiate with server for connection header is necessary<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> if (saslHandler.isNeedProcessConnectionHeader()) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> Promise<Boolean> connectionHeaderPromise = ch.eventLoop().newPromise();<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> // create the handler to handle the connection header<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> NettyHBaseRpcConnectionHeaderHandler chHandler =<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> new NettyHBaseRpcConnectionHeaderHandler(connectionHeaderPromise, conf,<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> connectionHeaderWithLength);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> // add ReadTimeoutHandler to deal with server doesn't response connection header<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // because of the different configuration in client side and server side<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> final String readTimeoutHandlerName = "ReadTimeout";<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> p.addBefore(BufferCallBeforeInitHandler.NAME, readTimeoutHandlerName,<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> new ReadTimeoutHandler(rpcClient.readTO, TimeUnit.MILLISECONDS))<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> .addBefore(BufferCallBeforeInitHandler.NAME, null, chHandler);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> NettyFutureUtils.addListener(connectionHeaderPromise, new FutureListener<Boolean>() {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> @Override<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public void operationComplete(Future<Boolean> future) throws Exception {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> if (future.isSuccess()) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> ChannelPipeline p = ch.pipeline();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> p.remove(readTimeoutHandlerName);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> p.remove(NettyHBaseRpcConnectionHeaderHandler.class);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> // don't send connection header, NettyHBaseRpcConnectionHeaderHandler<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> // sent it already<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> established(ch);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> } else {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> final Throwable error = future.cause();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> scheduleRelogin(error);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> failInit(ch, toIOE(error));<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> });<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> } else {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // send the connection header to server<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> ch.write(connectionHeaderWithLength.retainedDuplicate());<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> established(ch);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> } else {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> final Throwable error = future.cause();<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> scheduleRelogin(error);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> failInit(ch, toIOE(error));<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> });<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> private void connect() throws UnknownHostException {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> assert eventLoop.inEventLoop();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> LOG.trace("Connecting to {}", remoteId.getAddress());<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> InetSocketAddress remoteAddr = getRemoteInetAddress(rpcClient.metrics);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> this.channel = new Bootstrap().group(eventLoop).channel(rpcClient.channelClass)<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> .option(ChannelOption.TCP_NODELAY, rpcClient.isTcpNoDelay())<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> .option(ChannelOption.SO_KEEPALIVE, rpcClient.tcpKeepAlive)<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, rpcClient.connectTO)<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> .handler(new ChannelInitializer<Channel>() {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> @Override<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> protected void initChannel(Channel ch) throws Exception {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (conf.getBoolean(X509Util.HBASE_CLIENT_NETTY_TLS_ENABLED, false)) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> SslContext sslContext = rpcClient.getSslContext();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> SslHandler sslHandler = sslContext.newHandler(ch.alloc(),<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> remoteId.address.getHostName(), remoteId.address.getPort());<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> sslHandler.setHandshakeTimeoutMillis(<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> conf.getInt(X509Util.HBASE_CLIENT_NETTY_TLS_HANDSHAKETIMEOUT,<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> X509Util.DEFAULT_HANDSHAKE_DETECTION_TIMEOUT_MILLIS));<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> ch.pipeline().addFirst(sslHandler);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> LOG.debug("SSL handler added with handshake timeout {} ms",<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> sslHandler.getHandshakeTimeoutMillis());<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> ch.pipeline().addLast(BufferCallBeforeInitHandler.NAME,<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> new BufferCallBeforeInitHandler());<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }).localAddress(rpcClient.localAddr).remoteAddress(remoteAddr).connect()<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> .addListener(new ChannelFutureListener() {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> private void succeed(Channel ch) throws IOException {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> ch.writeAndFlush(connectionHeaderPreamble.retainedDuplicate());<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> if (useSasl) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> saslNegotiate(ch);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> } else {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> // send the connection header to server<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> ch.write(connectionHeaderWithLength.retainedDuplicate());<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> established(ch);<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> private void fail(Channel ch, Throwable error) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> IOException ex = toIOE(error);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> LOG.warn("Exception encountered while connecting to the server " + remoteId.getAddress(),<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> ex);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> failInit(ch, ex);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> rpcClient.failedServers.addToFailedServers(remoteId.getAddress(), error);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span><a name="line.323"></a> |
| <span class="sourceLineNo">324</span> @Override<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> public void operationComplete(ChannelFuture future) throws Exception {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> Channel ch = future.channel();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> if (!future.isSuccess()) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> fail(ch, future.cause());<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> return;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> SslHandler sslHandler = ch.pipeline().get(SslHandler.class);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> if (sslHandler != null) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> NettyFutureUtils.addListener(sslHandler.handshakeFuture(), f -> {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> if (f.isSuccess()) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> succeed(ch);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> } else {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> fail(ch, f.cause());<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> }<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> });<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> } else {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> succeed(ch);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }).channel();<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> private void sendRequest0(Call call, HBaseRpcController hrc) throws IOException {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> assert eventLoop.inEventLoop();<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> if (reloginInProgress) {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> throw new IOException("Can not send request because relogin is in progress.");<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> hrc.notifyOnCancel(new RpcCallback<Object>() {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span><a name="line.353"></a> |
| <span class="sourceLineNo">354</span> @Override<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> public void run(Object parameter) {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> setCancelled(call);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> if (channel != null) {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> channel.pipeline().fireUserEventTriggered(new CallEvent(CANCELLED, call));<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> }<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> }, new CancellationCallback() {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span><a name="line.362"></a> |
| <span class="sourceLineNo">363</span> @Override<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> public void run(boolean cancelled) throws IOException {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> if (cancelled) {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> setCancelled(call);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> } else {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> if (channel == null) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> connect();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> scheduleTimeoutTask(call);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> channel.writeAndFlush(call).addListener(new ChannelFutureListener() {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span><a name="line.373"></a> |
| <span class="sourceLineNo">374</span> @Override<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> public void operationComplete(ChannelFuture future) throws Exception {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> // Fail the call if we failed to write it out. This usually because the channel is<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> // closed. This is needed because we may shutdown the channel inside event loop and<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> // there may still be some pending calls in the event loop queue after us.<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> if (!future.isSuccess()) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> call.setException(toIOE(future.cause()));<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> });<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> }<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> });<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span><a name="line.388"></a> |
| <span class="sourceLineNo">389</span> @Override<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> public void sendRequest(final Call call, HBaseRpcController hrc) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> execute(eventLoop, () -> {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> try {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> sendRequest0(call, hrc);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> } catch (Exception e) {<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> call.setException(toIOE(e));<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> });<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span>}<a name="line.399"></a> |
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| </html> |
