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From git-site-r...@apache.org
Subject [17/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Mon, 15 May 2017 14:59:08 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f55ebeaa/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerRpcConnection.ByteBuffByteInput.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerRpcConnection.ByteBuffByteInput.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerRpcConnection.ByteBuffByteInput.html
new file mode 100644
index 0000000..50c4422
--- /dev/null
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerRpcConnection.ByteBuffByteInput.html
@@ -0,0 +1,924 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<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 java.io.ByteArrayInputStream;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.Closeable;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.DataOutputStream;<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.net.InetAddress;<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.nio.ByteBuffer;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.nio.channels.Channels;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.nio.channels.ReadableByteChannel;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.security.GeneralSecurityException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.security.PrivilegedExceptionAction;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Properties;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import javax.security.sasl.Sasl;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import javax.security.sasl.SaslException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import javax.security.sasl.SaslServer;<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.commons.crypto.cipher.CryptoCipherFactory;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.commons.crypto.random.CryptoRandom;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.commons.crypto.random.CryptoRandomFactory;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.VersionInfoUtil;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.ByteBufferOutputStream;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.crypto.aes.CryptoAES;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.security.AuthMethod;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.security.HBaseSaslRpcServer;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslDigestCallbackHandler;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslGssCallbackHandler;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.security.SaslStatus;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.security.SaslUtil;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.security.User;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.BlockingService;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteInput;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Message;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.TextFormat;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos;<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>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.io.BytesWritable;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.io.Writable;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.io.WritableUtils;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hadoop.security.authorize.AuthorizationException;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.apache.hadoop.security.authorize.ProxyUsers;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.apache.hadoop.security.token.SecretManager.InvalidToken;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.apache.hadoop.security.token.TokenIdentifier;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.htrace.TraceInfo;<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span>/** Reads calls from a connection and queues them for handling. */<a name="line.85"></a>
+<span class="sourceLineNo">086</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    value="VO_VOLATILE_INCREMENT",<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    justification="False positive according to http://sourceforge.net/p/findbugs/bugs/1032/")<a name="line.88"></a>
+<span class="sourceLineNo">089</span>abstract class ServerRpcConnection implements Closeable {<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  /**  */<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  protected final RpcServer rpcServer;<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  // If initial preamble with version and magic has been read or not.<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  protected boolean connectionPreambleRead = false;<a name="line.93"></a>
+<span class="sourceLineNo">094</span>  // If the connection header has been read or not.<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  protected boolean connectionHeaderRead = false;<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>  protected CallCleanup callCleanup;<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  // Cache the remote host &amp; port info so that even if the socket is<a name="line.99"></a>
+<span class="sourceLineNo">100</span>  // disconnected, we can say where it used to connect to.<a name="line.100"></a>
+<span class="sourceLineNo">101</span>  protected String hostAddress;<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  protected int remotePort;<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  protected InetAddress addr;<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  protected ConnectionHeader connectionHeader;<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span>  /**<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   * Codec the client asked use.<a name="line.107"></a>
+<span class="sourceLineNo">108</span>   */<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  protected Codec codec;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  /**<a name="line.110"></a>
+<span class="sourceLineNo">111</span>   * Compression codec the client asked us use.<a name="line.111"></a>
+<span class="sourceLineNo">112</span>   */<a name="line.112"></a>
+<span class="sourceLineNo">113</span>  protected CompressionCodec compressionCodec;<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  protected BlockingService service;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span>  protected AuthMethod authMethod;<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  protected boolean saslContextEstablished;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  protected boolean skipInitialSaslHandshake;<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  private ByteBuffer unwrappedData;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  // When is this set? FindBugs wants to know! Says NP<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  private ByteBuffer unwrappedDataLengthBuffer = ByteBuffer.allocate(4);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  protected boolean useSasl;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  protected SaslServer saslServer;<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  protected CryptoAES cryptoAES;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  protected boolean useWrap = false;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>  protected boolean useCryptoAesWrap = false;<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  // Fake 'call' for failed authorization response<a name="line.127"></a>
+<span class="sourceLineNo">128</span>  protected static final int AUTHORIZATION_FAILED_CALLID = -1;<a name="line.128"></a>
+<span class="sourceLineNo">129</span>  protected ServerCall&lt;?&gt; authFailedCall;<a name="line.129"></a>
+<span class="sourceLineNo">130</span>  protected ByteArrayOutputStream authFailedResponse =<a name="line.130"></a>
+<span class="sourceLineNo">131</span>      new ByteArrayOutputStream();<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  // Fake 'call' for SASL context setup<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  protected static final int SASL_CALLID = -33;<a name="line.133"></a>
+<span class="sourceLineNo">134</span>  protected ServerCall&lt;?&gt; saslCall;<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  // Fake 'call' for connection header response<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  protected static final int CONNECTION_HEADER_RESPONSE_CALLID = -34;<a name="line.136"></a>
+<span class="sourceLineNo">137</span>  protected ServerCall&lt;?&gt; setConnectionHeaderResponseCall;<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>  // was authentication allowed with a fallback to simple auth<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  protected boolean authenticatedWithFallback;<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>  protected boolean retryImmediatelySupported = false;<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span>  private UserGroupInformation attemptingUser = null; // user name before auth<a name="line.144"></a>
+<span class="sourceLineNo">145</span>  protected User user = null;<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  protected UserGroupInformation ugi = null;<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>  public ServerRpcConnection(RpcServer rpcServer) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    this.rpcServer = rpcServer;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    this.callCleanup = null;<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  }<a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span>  @Override<a name="line.153"></a>
+<span class="sourceLineNo">154</span>  public String toString() {<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    return getHostAddress() + ":" + remotePort;<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>  public String getHostAddress() {<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    return hostAddress;<a name="line.159"></a>
+<span class="sourceLineNo">160</span>  }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>  public InetAddress getHostInetAddress() {<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    return addr;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>  }<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span>  public int getRemotePort() {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>    return remotePort;<a name="line.167"></a>
+<span class="sourceLineNo">168</span>  }<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>  public VersionInfo getVersionInfo() {<a name="line.170"></a>
+<span class="sourceLineNo">171</span>    if (connectionHeader.hasVersionInfo()) {<a name="line.171"></a>
+<span class="sourceLineNo">172</span>      return connectionHeader.getVersionInfo();<a name="line.172"></a>
+<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    return null;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>  }<a name="line.175"></a>
+<span class="sourceLineNo">176</span><a name="line.176"></a>
+<span class="sourceLineNo">177</span>  protected String getFatalConnectionString(final int version, final byte authByte) {<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    return "serverVersion=" + RpcServer.CURRENT_VERSION +<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    ", clientVersion=" + version + ", authMethod=" + authByte +<a name="line.179"></a>
+<span class="sourceLineNo">180</span>    ", authSupported=" + (authMethod != null) + " from " + toString();<a name="line.180"></a>
+<span class="sourceLineNo">181</span>  }<a name="line.181"></a>
+<span class="sourceLineNo">182</span><a name="line.182"></a>
+<span class="sourceLineNo">183</span>  protected UserGroupInformation getAuthorizedUgi(String authorizedId)<a name="line.183"></a>
+<span class="sourceLineNo">184</span>      throws IOException {<a name="line.184"></a>
+<span class="sourceLineNo">185</span>    UserGroupInformation authorizedUgi;<a name="line.185"></a>
+<span class="sourceLineNo">186</span>    if (authMethod == AuthMethod.DIGEST) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span>      TokenIdentifier tokenId = HBaseSaslRpcServer.getIdentifier(authorizedId,<a name="line.187"></a>
+<span class="sourceLineNo">188</span>          this.rpcServer.secretManager);<a name="line.188"></a>
+<span class="sourceLineNo">189</span>      authorizedUgi = tokenId.getUser();<a name="line.189"></a>
+<span class="sourceLineNo">190</span>      if (authorizedUgi == null) {<a name="line.190"></a>
+<span class="sourceLineNo">191</span>        throw new AccessDeniedException(<a name="line.191"></a>
+<span class="sourceLineNo">192</span>            "Can't retrieve username from tokenIdentifier.");<a name="line.192"></a>
+<span class="sourceLineNo">193</span>      }<a name="line.193"></a>
+<span class="sourceLineNo">194</span>      authorizedUgi.addTokenIdentifier(tokenId);<a name="line.194"></a>
+<span class="sourceLineNo">195</span>    } else {<a name="line.195"></a>
+<span class="sourceLineNo">196</span>      authorizedUgi = UserGroupInformation.createRemoteUser(authorizedId);<a name="line.196"></a>
+<span class="sourceLineNo">197</span>    }<a name="line.197"></a>
+<span class="sourceLineNo">198</span>    authorizedUgi.setAuthenticationMethod(authMethod.authenticationMethod.getAuthMethod());<a name="line.198"></a>
+<span class="sourceLineNo">199</span>    return authorizedUgi;<a name="line.199"></a>
+<span class="sourceLineNo">200</span>  }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   * Set up cell block codecs<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   * @throws FatalConnectionException<a name="line.204"></a>
+<span class="sourceLineNo">205</span>   */<a name="line.205"></a>
+<span class="sourceLineNo">206</span>  protected void setupCellBlockCodecs(final ConnectionHeader header)<a name="line.206"></a>
+<span class="sourceLineNo">207</span>      throws FatalConnectionException {<a name="line.207"></a>
+<span class="sourceLineNo">208</span>    // TODO: Plug in other supported decoders.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>    if (!header.hasCellBlockCodecClass()) return;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>    String className = header.getCellBlockCodecClass();<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    if (className == null || className.length() == 0) return;<a name="line.211"></a>
+<span class="sourceLineNo">212</span>    try {<a name="line.212"></a>
+<span class="sourceLineNo">213</span>      this.codec = (Codec)Class.forName(className).newInstance();<a name="line.213"></a>
+<span class="sourceLineNo">214</span>    } catch (Exception e) {<a name="line.214"></a>
+<span class="sourceLineNo">215</span>      throw new UnsupportedCellCodecException(className, e);<a name="line.215"></a>
+<span class="sourceLineNo">216</span>    }<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    if (!header.hasCellBlockCompressorClass()) return;<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    className = header.getCellBlockCompressorClass();<a name="line.218"></a>
+<span class="sourceLineNo">219</span>    try {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      this.compressionCodec = (CompressionCodec)Class.forName(className).newInstance();<a name="line.220"></a>
+<span class="sourceLineNo">221</span>    } catch (Exception e) {<a name="line.221"></a>
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+<span class="sourceLineNo">682</span>   */<a name="line.682"></a>
+<span class="sourceLineNo">683</span>  protected void processRequest(ByteBuff buf) throws IOException,<a name="line.683"></a>
+<span class="sourceLineNo">684</span>      InterruptedException {<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    long totalRequestSize = buf.limit();<a name="line.685"></a>
+<span class="sourceLineNo">686</span>    int offset = 0;<a name="line.686"></a>
+<span class="sourceLineNo">687</span>    // Here we read in the header. We avoid having pb<a name="line.687"></a>
+<span class="sourceLineNo">688</span>    // do its default 4k allocation for CodedInputStream. We force it to use<a name="line.688"></a>
+<span class="sourceLineNo">689</span>    // backing array.<a name="line.689"></a>
+<span class="sourceLineNo">690</span>    CodedInputStream cis;<a name="line.690"></a>
+<span class="sourceLineNo">691</span>    if (buf.hasArray()) {<a name="line.691"></a>
+<span class="sourceLineNo">692</span>      cis = UnsafeByteOperations.unsafeWrap(buf.array(), 0, buf.limit()).newCodedInput();<a name="line.692"></a>
+<span class="sourceLineNo">693</span>    } else {<a name="line.693"></a>
+<span class="sourceLineNo">694</span>      cis = UnsafeByteOperations<a name="line.694"></a>
+<span class="sourceLineNo">695</span>          .unsafeWrap(new ByteBuffByteInput(buf, 0, buf.limit()), 0, buf.limit()).newCodedInput();<a name="line.695"></a>
+<span class="sourceLineNo">696</span>    }<a name="line.696"></a>
+<span class="sourceLineNo">697</span>    cis.enableAliasing(true);<a name="line.697"></a>
+<span class="sourceLineNo">698</span>    int headerSize = cis.readRawVarint32();<a name="line.698"></a>
+<span class="sourceLineNo">699</span>    offset = cis.getTotalBytesRead();<a name="line.699"></a>
+<span class="sourceLineNo">700</span>    Message.Builder builder = RequestHeader.newBuilder();<a name="line.700"></a>
+<span class="sourceLineNo">701</span>    ProtobufUtil.mergeFrom(builder, cis, headerSize);<a name="line.701"></a>
+<span class="sourceLineNo">702</span>    RequestHeader header = (RequestHeader) builder.build();<a name="line.702"></a>
+<span class="sourceLineNo">703</span>    offset += headerSize;<a name="line.703"></a>
+<span class="sourceLineNo">704</span>    int id = header.getCallId();<a name="line.704"></a>
+<span class="sourceLineNo">705</span>    if (RpcServer.LOG.isTraceEnabled()) {<a name="line.705"></a>
+<span class="sourceLineNo">706</span>      RpcServer.LOG.trace("RequestHeader " + TextFormat.shortDebugString(header)<a name="line.706"></a>
+<span class="sourceLineNo">707</span>          + " totalRequestSize: " + totalRequestSize + " bytes");<a name="line.707"></a>
+<span class="sourceLineNo">708</span>    }<a name="line.708"></a>
+<span class="sourceLineNo">709</span>    // Enforcing the call queue size, this triggers a retry in the client<a name="line.709"></a>
+<span class="sourceLineNo">710</span>    // This is a bit late to be doing this check - we have already read in the<a name="line.710"></a>
+<span class="sourceLineNo">711</span>    // total request.<a name="line.711"></a>
+<span class="sourceLineNo">712</span>    if ((totalRequestSize + this.rpcServer.callQueueSizeInBytes.sum()) &gt; this.rpcServer.maxQueueSizeInBytes) {<a name="line.712"></a>
+<span class="sourceLineNo">713</span>      final ServerCall&lt;?&gt; callTooBig = createCall(id, this.service, null, null, null, null,<a name="line.713"></a>
+<span class="sourceLineNo">714</span>        totalRequestSize, null, null, 0, this.callCleanup);<a name="line.714"></a>
+<span class="sourceLineNo">715</span>      ByteArrayOutputStream responseBuffer = new ByteArrayOutputStream();<a name="line.715"></a>
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+<span class="sourceLineNo">718</span>          "Call queue is full on " + this.rpcServer.server.getServerName()<a name="line.718"></a>
+<span class="sourceLineNo">719</span>              + ", is hbase.ipc.server.max.callqueue.size too small?");<a name="line.719"></a>
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+<span class="sourceLineNo">722</span>    }<a name="line.722"></a>
+<span class="sourceLineNo">723</span>    MethodDescriptor md = null;<a name="line.723"></a>
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+<span class="sourceLineNo">729</span>            header.getMethodName());<a name="line.729"></a>
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+<span class="sourceLineNo">731</span>          throw new UnsupportedOperationException(header.getMethodName());<a name="line.731"></a>
+<span class="sourceLineNo">732</span>        builder = this.service.getRequestPrototype(md).newBuilderForType();<a name="line.732"></a>
+<span class="sourceLineNo">733</span>        cis.resetSizeCounter();<a name="line.733"></a>
+<span class="sourceLineNo">734</span>        int paramSize = cis.readRawVarint32();<a name="line.734"></a>
+<span class="sourceLineNo">735</span>        offset += cis.getTotalBytesRead();<a name="line.735"></a>
+<span class="sourceLineNo">736</span>        if (builder != null) {<a name="line.736"></a>
+<span class="sourceLineNo">737</span>          ProtobufUtil.mergeFrom(builder, cis, paramSize);<a name="line.737"></a>
+<span class="sourceLineNo">738</span>          param = builder.build();<a name="line.738"></a>
+<span class="sourceLineNo">739</span>        }<a name="line.739"></a>
+<span class="sourceLineNo">740</span>        offset += paramSize;<a name="line.740"></a>
+<span class="sourceLineNo">741</span>      } else {<a name="line.741"></a>
+<span class="sourceLineNo">742</span>        // currently header must have request param, so we directly throw<a name="line.742"></a>
+<span class="sourceLineNo">743</span>        // exception here<a name="line.743"></a>
+<span class="sourceLineNo">744</span>        String msg = "Invalid request header: "<a name="line.744"></a>
+<span class="sourceLineNo">745</span>            + TextFormat.shortDebugString(header)<a name="line.745"></a>
+<span class="sourceLineNo">746</span>            + ", should have param set in it";<a name="line.746"></a>
+<span class="sourceLineNo">747</span>        RpcServer.LOG.warn(msg);<a name="line.747"></a>
+<span class="sourceLineNo">748</span>        throw new DoNotRetryIOException(msg);<a name="line.748"></a>
+<span class="sourceLineNo">749</span>      }<a name="line.749"></a>
+<span class="sourceLineNo">750</span>      if (header.hasCellBlockMeta()) {<a name="line.750"></a>
+<span class="sourceLineNo">751</span>        buf.position(offset);<a name="line.751"></a>
+<span class="sourceLineNo">752</span>        ByteBuff dup = buf.duplicate();<a name="line.752"></a>
+<span class="sourceLineNo">753</span>        dup.limit(offset + header.getCellBlockMeta().getLength());<a name="line.753"></a>
+<span class="sourceLineNo">754</span>        cellScanner = this.rpcServer.cellBlockBuilder.createCellScannerReusingBuffers(<a name="line.754"></a>
+<span class="sourceLineNo">755</span>            this.codec, this.compressionCodec, dup);<a name="line.755"></a>
+<span class="sourceLineNo">756</span>      }<a name="line.756"></a>
+<span class="sourceLineNo">757</span>    } catch (Throwable t) {<a name="line.757"></a>
+<span class="sourceLineNo">758</span>      InetSocketAddress address = this.rpcServer.getListenerAddress();<a name="line.758"></a>
+<span class="sourceLineNo">759</span>      String msg = (address != null ? address : "(channel closed)")<a name="line.759"></a>
+<span class="sourceLineNo">760</span>          + " is unable to read call parameter from client "<a name="line.760"></a>
+<span class="sourceLineNo">761</span>          + getHostAddress();<a name="line.761"></a>
+<span class="sourceLineNo">762</span>      RpcServer.LOG.warn(msg, t);<a name="line.762"></a>
+<span class="sourceLineNo">763</span><a name="line.763"></a>
+<span class="sourceLineNo">764</span>      this.rpcServer.metrics.exception(t);<a name="line.764"></a>
+<span class="sourceLineNo">765</span><a name="line.765"></a>
+<span class="sourceLineNo">766</span>      // probably the hbase hadoop version does not match the running hadoop<a name="line.766"></a>
+<span class="sourceLineNo">767</span>      // version<a name="line.767"></a>
+<span class="sourceLineNo">768</span>      if (t instanceof LinkageError) {<a name="line.768"></a>
+<span class="sourceLineNo">769</span>        t = new DoNotRetryIOException(t);<a name="line.769"></a>
+<span class="sourceLineNo">770</span>      }<a name="line.770"></a>
+<span class="sourceLineNo">771</span>      // If the method is not present on the server, do not retry.<a name="line.771"></a>
+<span class="sourceLineNo">772</span>      if (t instanceof UnsupportedOperationException) {<a name="line.772"></a>
+<span class="sourceLineNo">773</span>        t = new DoNotRetryIOException(t);<a name="line.773"></a>
+<span class="sourceLineNo">774</span>      }<a name="line.774"></a>
+<span class="sourceLineNo">775</span><a name="line.775"></a>
+<span class="sourceLineNo">776</span>      final ServerCall&lt;?&gt; readParamsFailedCall = createCall(id, this.service, null, null, null, null,<a name="line.776"></a>
+<span class="sourceLineNo">777</span>        totalRequestSize, null, null, 0, this.callCleanup);<a name="line.777"></a>
+<span class="sourceLineNo">778</span>      ByteArrayOutputStream responseBuffer = new ByteArrayOutputStream();<a name="line.778"></a>
+<span class="sourceLineNo">779</span>      this.rpcServer.setupResponse(responseBuffer, readParamsFailedCall, t,<a name="line.779"></a>
+<span class="sourceLineNo">780</span>          msg + "; " + t.getMessage());<a name="line.780"></a>
+<span class="sourceLineNo">781</span>      readParamsFailedCall.sendResponseIfReady();<a name="line.781"></a>
+<span class="sourceLineNo">782</span>      return;<a name="line.782"></a>
+<span class="sourceLineNo">783</span>    }<a name="line.783"></a>
+<span class="sourceLineNo">784</span><a name="line.784"></a>
+<span class="sourceLineNo">785</span>    TraceInfo traceInfo = header.hasTraceInfo() ? new TraceInfo(header<a name="line.785"></a>
+<span class="sourceLineNo">786</span>        .getTraceInfo().getTraceId(), header.getTraceInfo().getParentId())<a name="line.786"></a>
+<span class="sourceLineNo">787</span>        : null;<a name="line.787"></a>
+<span class="sourceLineNo">788</span>    int timeout = 0;<a name="line.788"></a>
+<span class="sourceLineNo">789</span>    if (header.hasTimeout() &amp;&amp; header.getTimeout() &gt; 0) {<a name="line.789"></a>
+<span class="sourceLineNo">790</span>      timeout = Math.max(this.rpcServer.minClientRequestTimeout, header.getTimeout());<a name="line.790"></a>
+<span class="sourceLineNo">791</span>    }<a name="line.791"></a>
+<span class="sourceLineNo">792</span>    ServerCall&lt;?&gt; call = createCall(id, this.service, md, header, param, cellScanner, totalRequestSize,<a name="line.792"></a>
+<span class="sourceLineNo">793</span>      traceInfo, this.addr, timeout, this.callCleanup);<a name="line.793"></a>
+<span class="sourceLineNo">794</span><a name="line.794"></a>
+<span class="sourceLineNo">795</span>    if (!this.rpcServer.scheduler.dispatch(new CallRunner(this.rpcServer, call))) {<a name="line.795"></a>
+<span class="sourceLineNo">796</span>      this.rpcServer.callQueueSizeInBytes.add(-1 * call.getSize());<a name="line.796"></a>
+<span class="sourceLineNo">797</span><a name="line.797"></a>
+<span class="sourceLineNo">798</span>      ByteArrayOutputStream responseBuffer = new ByteArrayOutputStream();<a name="line.798"></a>
+<span class="sourceLineNo">799</span>      this.rpcServer.metrics.exception(RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION);<a name="line.799"></a>
+<span class="sourceLineNo">800</span>      this.rpcServer.setupResponse(responseBuffer, call, RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION,<a name="line.800"></a>
+<span class="sourceLineNo">801</span>          "Call queue is full on " + this.rpcServer.server.getServerName()<a name="line.801"></a>
+<span class="sourceLineNo">802</span>              + ", too many items queued ?");<a name="line.802"></a>
+<span class="sourceLineNo">803</span>      call.sendResponseIfReady();<a name="line.803"></a>
+<span class="sourceLineNo">804</span>    }<a name="line.804"></a>
+<span class="sourceLineNo">805</span>  }<a name="line.805"></a>
+<span class="sourceLineNo">806</span><a name="line.806"></a>
+<span class="sourceLineNo">807</span>  public abstract boolean isConnectionOpen();<a name="line.807"></a>
+<span class="sourceLineNo">808</span><a name="line.808"></a>
+<span class="sourceLineNo">809</span>  public abstract ServerCall&lt;?&gt; createCall(int id, BlockingService service, MethodDescriptor md,<a name="line.809"></a>
+<span class="sourceLineNo">810</span>      RequestHeader header, Message param, CellScanner cellScanner, long size, TraceInfo tinfo,<a name="line.810"></a>
+<span class="sourceLineNo">811</span>      InetAddress remoteAddress, int timeout, CallCleanup reqCleanup);<a name="line.811"></a>
+<span class="sourceLineNo">812</span><a name="line.812"></a>
+<span class="sourceLineNo">813</span>  private static class ByteBuffByteInput extends ByteInput {<a name="line.813"></a>
+<span class="sourceLineNo">814</span><a name="line.814"></a>
+<span class="sourceLineNo">815</span>    private ByteBuff buf;<a name="line.815"></a>
+<span class="sourceLineNo">816</span>    private int offset;<a name="line.816"></a>
+<span class="sourceLineNo">817</span>    private int length;<a name="line.817"></a>
+<span class="sourceLineNo">818</span><a name="line.818"></a>
+<span class="sourceLineNo">819</span>    ByteBuffByteInput(ByteBuff buf, int offset, int length) {<a name="line.819"></a>
+<span class="sourceLineNo">820</span>      this.buf = buf;<a name="line.820"></a>
+<span class="sourceLineNo">821</span>      this.offset = offset;<a name="line.821"></a>
+<span class="sourceLineNo">822</span>      this.length = length;<a name="line.822"></a>
+<span class="sourceLineNo">823</span>    }<a name="line.823"></a>
+<span class="sourceLineNo">824</span><a name="line.824"></a>
+<span class="sourceLineNo">825</span>    @Override<a name="line.825"></a>
+<span class="sourceLineNo">826</span>    public byte read(int offset) {<a name="line.826"></a>
+<span class="sourceLineNo">827</span>      return this.buf.get(getAbsoluteOffset(offset));<a name="line.827"></a>
+<span class="sourceLineNo">828</span>    }<a name="line.828"></a>
+<span class="sourceLineNo">829</span><a name="line.829"></a>
+<span class="sourceLineNo">830</span>    private int getAbsoluteOffset(int offset) {<a name="line.830"></a>
+<span class="sourceLineNo">831</span>      return this.offset + offset;<a name="line.831"></a>
+<span class="sourceLineNo">832</span>    }<a name="line.832"></a>
+<span class="sourceLineNo">833</span><a name="line.833"></a>
+<span class="sourceLineNo">834</span>    @Override<a name="line.834"></a>
+<span class="sourceLineNo">835</span>    public int read(int offset, byte[] out, int outOffset, int len) {<a name="line.835"></a>
+<span class="sourceLineNo">836</span>      this.buf.get(getAbsoluteOffset(offset), out, outOffset, len);<a name="line.836"></a>
+<span class="sourceLineNo">837</span>      return len;<a name="line.837"></a>
+<span class="sourceLineNo">838</span>    }<a name="line.838"></a>
+<span class="sourceLineNo">839</span><a name="line.839"></a>
+<span class="sourceLineNo">840</span>    @Override<a name="line.840"></a>
+<span class="sourceLineNo">841</span>    public int read(int offset, ByteBuffer out) {<a name="line.841"></a>
+<span class="sourceLineNo">842</span>      int len = out.remaining();<a name="line.842"></a>
+<span class="sourceLineNo">843</span>      this.buf.get(out, getAbsoluteOffset(offset), len);<a name="line.843"></a>
+<span class="sourceLineNo">844</span>      return len;<a name="line.844"></a>
+<span class="sourceLineNo">845</span>    }<a name="line.845"></a>
+<span class="sourceLineNo">846</span><a name="line.846"></a>
+<span class="sourceLineNo">847</span>    @Override<a name="line.847"></a>
+<span class="sourceLineNo">848</span>    public int size() {<a name="line.848"></a>
+<span class="sourceLineNo">849</span>      return this.length;<a name="line.849"></a>
+<span class="sourceLineNo">850</span>    }<a name="line.850"></a>
+<span class="sourceLineNo">851</span>  }<a name="line.851"></a>
+<span class="sourceLineNo">852</span>}<a name="line.852"></a>
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+</pre>
+</div>
+</body>
+</html>


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