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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 java.io.ByteArrayInputStream;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.InputStream;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.net.InetAddress;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.net.Socket;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.nio.ByteBuffer;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.nio.channels.Channels;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.nio.channels.ReadableByteChannel;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.nio.channels.SocketChannel;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentLinkedDeque;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.LongAdder;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.locks.Lock;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.VersionInfoUtil;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.exceptions.RequestTooBigException;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.security.HBaseSaslRpcServer;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.security.SaslStatus;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.io.BytesWritable;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.yetus.audience.InterfaceAudience;<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.protobuf.BlockingService;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.protobuf.CodedInputStream;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>/** Reads calls from a connection and queues them for handling. */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "VO_VOLATILE_INCREMENT",<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> justification = "False positive according to http://sourceforge.net/p/findbugs/bugs/1032/")<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@Deprecated<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>@InterfaceAudience.Private<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>class SimpleServerRpcConnection extends ServerRpcConnection {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> final SocketChannel channel;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private ByteBuff data;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private ByteBuffer dataLengthBuffer;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private ByteBuffer preambleBuffer;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private final LongAdder rpcCount = new LongAdder(); // number of outstanding rpcs<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private long lastContact;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private final Socket socket;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> final SimpleRpcServerResponder responder;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // If initial preamble with version and magic has been read or not.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private boolean connectionPreambleRead = false;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private boolean saslContextEstablished;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private ByteBuffer unwrappedData;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> // When is this set? FindBugs wants to know! Says NP<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private ByteBuffer unwrappedDataLengthBuffer = ByteBuffer.allocate(4);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> boolean useWrap = false;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> final ConcurrentLinkedDeque<RpcResponse> responseQueue = new ConcurrentLinkedDeque<>();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> final Lock responseWriteLock = new ReentrantLock();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> long lastSentTime = -1L;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public SimpleServerRpcConnection(SimpleRpcServer rpcServer, SocketChannel channel,<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> long lastContact) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> super(rpcServer);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> this.channel = channel;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.lastContact = lastContact;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> this.data = null;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> this.dataLengthBuffer = ByteBuffer.allocate(4);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> this.socket = channel.socket();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> this.addr = socket.getInetAddress();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> if (addr == null) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> this.hostAddress = "*Unknown*";<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> } else {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> this.hostAddress = addr.getHostAddress();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> this.remotePort = socket.getPort();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (rpcServer.socketSendBufferSize != 0) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> try {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> socket.setSendBufferSize(rpcServer.socketSendBufferSize);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> } catch (IOException e) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> SimpleRpcServer.LOG.warn(<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> "Connection: unable to set socket send buffer size to " + rpcServer.socketSendBufferSize);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.responder = rpcServer.responder;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public void setLastContact(long lastContact) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this.lastContact = lastContact;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> public long getLastContact() {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> return lastContact;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> /* Return true if the connection has no outstanding rpc */<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> boolean isIdle() {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> return rpcCount.sum() == 0;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> /* Decrement the outstanding RPC count */<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> protected void decRpcCount() {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> rpcCount.decrement();<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> /* Increment the outstanding RPC count */<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> protected void incRpcCount() {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> rpcCount.increment();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> private int readPreamble() throws IOException {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> if (preambleBuffer == null) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> preambleBuffer = ByteBuffer.allocate(6);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> int count = this.rpcServer.channelRead(channel, preambleBuffer);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (count < 0 || preambleBuffer.remaining() > 0) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return count;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> preambleBuffer.flip();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (!processPreamble(preambleBuffer)) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return -1;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> preambleBuffer = null; // do not need it anymore<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> connectionPreambleRead = true;<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> return count;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> private int read4Bytes() throws IOException {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (this.dataLengthBuffer.remaining() > 0) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> return this.rpcServer.channelRead(channel, this.dataLengthBuffer);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> } else {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return 0;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> private void processUnwrappedData(byte[] inBuf) throws IOException, InterruptedException {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> ReadableByteChannel ch = Channels.newChannel(new ByteArrayInputStream(inBuf));<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // Read all RPCs contained in the inBuf, even partial ones<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> while (true) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> int count;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> if (unwrappedDataLengthBuffer.remaining() > 0) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> count = this.rpcServer.channelRead(ch, unwrappedDataLengthBuffer);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (count <= 0 || unwrappedDataLengthBuffer.remaining() > 0) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> return;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (unwrappedData == null) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> unwrappedDataLengthBuffer.flip();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> int unwrappedDataLength = unwrappedDataLengthBuffer.getInt();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> if (unwrappedDataLength == RpcClient.PING_CALL_ID) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (RpcServer.LOG.isDebugEnabled()) RpcServer.LOG.debug("Received ping message");<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> unwrappedDataLengthBuffer.clear();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> continue; // ping message<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> unwrappedData = ByteBuffer.allocate(unwrappedDataLength);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> count = this.rpcServer.channelRead(ch, unwrappedData);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> if (count <= 0 || unwrappedData.remaining() > 0) {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> return;<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> if (unwrappedData.remaining() == 0) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> unwrappedDataLengthBuffer.clear();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> unwrappedData.flip();<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> processOneRpc(new SingleByteBuff(unwrappedData));<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> unwrappedData = null;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> private void saslReadAndProcess(ByteBuff saslToken) throws IOException, InterruptedException {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (saslContextEstablished) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> RpcServer.LOG.trace("Read input token of size={} for processing by saslServer.unwrap()",<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> saslToken.limit());<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> if (!useWrap) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> processOneRpc(saslToken);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> } else {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> byte[] b = saslToken.hasArray() ? saslToken.array() : saslToken.toBytes();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> byte[] plaintextData = saslServer.unwrap(b, 0, b.length);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // release the request buffer as we have already unwrapped all its content<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> callCleanupIfNeeded();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> processUnwrappedData(plaintextData);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> } else {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> byte[] replyToken;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> try {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> try {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> getOrCreateSaslServer();<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> } catch (Exception e) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> RpcServer.LOG.error("Error when trying to create instance of HBaseSaslRpcServer "<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> + "with sasl provider: " + provider, e);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> throw e;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> RpcServer.LOG.debug("Created SASL server with mechanism={}",<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> provider.getSaslAuthMethod().getAuthMethod());<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> RpcServer.LOG.debug(<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> "Read input token of size={} for processing by saslServer." + "evaluateResponse()",<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> saslToken.limit());<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> replyToken = saslServer<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> .evaluateResponse(saslToken.hasArray() ? saslToken.array() : saslToken.toBytes());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> } catch (IOException e) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> RpcServer.LOG.debug("Failed to execute SASL handshake", e);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> Throwable sendToClient = HBaseSaslRpcServer.unwrap(e);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> doRawSaslReply(SaslStatus.ERROR, null, sendToClient.getClass().getName(),<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> sendToClient.getLocalizedMessage());<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> this.rpcServer.metrics.authenticationFailure();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> String clientIP = this.toString();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> // attempting user could be null<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> RpcServer.AUDITLOG.warn("{}{}: {}", RpcServer.AUTH_FAILED_FOR, clientIP,<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> saslServer.getAttemptingUser());<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> throw e;<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> } finally {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> // release the request buffer as we have already unwrapped all its content<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> callCleanupIfNeeded();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> if (replyToken != null) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> if (RpcServer.LOG.isDebugEnabled()) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> RpcServer.LOG.debug("Will send token of size " + replyToken.length + " from saslServer.");<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> }<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> doRawSaslReply(SaslStatus.SUCCESS, new BytesWritable(replyToken), null, null);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> if (saslServer.isComplete()) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> String qop = saslServer.getNegotiatedQop();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> useWrap = qop != null && !"auth".equalsIgnoreCase(qop);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> ugi =<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> provider.getAuthorizedUgi(saslServer.getAuthorizationID(), this.rpcServer.secretManager);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> RpcServer.LOG.debug(<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> "SASL server context established. Authenticated client: {}. Negotiated QoP is {}", ugi,<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> qop);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> this.rpcServer.metrics.authenticationSuccess();<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> RpcServer.AUDITLOG.info(RpcServer.AUTH_SUCCESSFUL_FOR + ugi);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> saslContextEstablished = true;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span><a name="line.259"></a> |
| <span class="sourceLineNo">260</span> /**<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * Read off the wire. If there is not enough data to read, update the connection state with what<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * we have and returns.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * @return Returns -1 if failure (and caller will close connection), else zero or more.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> */<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> public int readAndProcess() throws IOException, InterruptedException {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> // If we have not read the connection setup preamble, look to see if that is on the wire.<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> if (!connectionPreambleRead) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> int count = readPreamble();<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (!connectionPreambleRead) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return count;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<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> // Try and read in an int. it will be length of the data to read (or -1 if a ping). We catch the<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> // integer length into the 4-byte this.dataLengthBuffer.<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> int count = read4Bytes();<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (count < 0 || dataLengthBuffer.remaining() > 0) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return count;<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> // We have read a length and we have read the preamble. It is either the connection header<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> // or it is a request.<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> if (data == null) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> dataLengthBuffer.flip();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> int dataLength = dataLengthBuffer.getInt();<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (dataLength == RpcClient.PING_CALL_ID) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> if (!useWrap) { // covers the !useSasl too<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> dataLengthBuffer.clear();<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> return 0; // ping message<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> if (dataLength < 0) { // A data length of zero is legal.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> throw new DoNotRetryIOException(<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> "Unexpected data length " + dataLength + "!! from " + getHostAddress());<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> if (dataLength > this.rpcServer.maxRequestSize) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> String msg = "RPC data length of " + dataLength + " received from " + getHostAddress()<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> + " is greater than max allowed " + this.rpcServer.maxRequestSize + ". Set \""<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> + SimpleRpcServer.MAX_REQUEST_SIZE<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> + "\" on server to override this limit (not recommended)";<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> SimpleRpcServer.LOG.warn(msg);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span><a name="line.303"></a> |
| <span class="sourceLineNo">304</span> if (connectionHeaderRead && connectionPreambleRead) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> incRpcCount();<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> // Construct InputStream for the non-blocking SocketChannel<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> // We need the InputStream because we want to read only the request header<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> // instead of the whole rpc.<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> ByteBuffer buf = ByteBuffer.allocate(1);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> InputStream is = new InputStream() {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> @Override<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> public int read() throws IOException {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> SimpleServerRpcConnection.this.rpcServer.channelRead(channel, buf);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> buf.flip();<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> int x = buf.get();<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> buf.flip();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return x;<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> };<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> CodedInputStream cis = CodedInputStream.newInstance(is);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> int headerSize = cis.readRawVarint32();<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> Message.Builder builder = RequestHeader.newBuilder();<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> ProtobufUtil.mergeFrom(builder, cis, headerSize);<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> RequestHeader header = (RequestHeader) builder.build();<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> // Notify the client about the offending request<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> SimpleServerCall reqTooBig = new SimpleServerCall(header.getCallId(), this.service, null,<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> null, null, null, this, 0, this.addr, EnvironmentEdgeManager.currentTime(), 0,<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> this.rpcServer.bbAllocator, this.rpcServer.cellBlockBuilder, null, responder);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> RequestTooBigException reqTooBigEx = new RequestTooBigException(msg);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> this.rpcServer.metrics.exception(reqTooBigEx);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> // Make sure the client recognizes the underlying exception<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> // Otherwise, throw a DoNotRetryIOException.<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> if (<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> VersionInfoUtil.hasMinimumVersion(connectionHeader.getVersionInfo(),<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> RequestTooBigException.MAJOR_VERSION, RequestTooBigException.MINOR_VERSION)<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> ) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> reqTooBig.setResponse(null, null, reqTooBigEx, msg);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> } else {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> reqTooBig.setResponse(null, null, new DoNotRetryIOException(msg), msg);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> // In most cases we will write out the response directly. If not, it is still OK to just<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> // close the connection without writing out the reqTooBig response. Do not try to write<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> // out directly here, and it will cause deserialization error if the connection is slow<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> // and we have a half writing response in the queue.<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> reqTooBig.sendResponseIfReady();<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> // Close the connection<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> return -1;<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // Initialize this.data with a ByteBuff.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> // This call will allocate a ByteBuff to read request into and assign to this.data<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> // Also when we use some buffer(s) from pool, it will create a CallCleanup instance also and<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> // assign to this.callCleanup<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> initByteBuffToReadInto(dataLength);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span><a name="line.357"></a> |
| <span class="sourceLineNo">358</span> // Increment the rpc count. This counter will be decreased when we write<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> // the response. If we want the connection to be detected as idle properly, we<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> // need to keep the inc / dec correct.<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> incRpcCount();<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span><a name="line.363"></a> |
| <span class="sourceLineNo">364</span> count = channelDataRead(channel, data);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span><a name="line.365"></a> |
| <span class="sourceLineNo">366</span> if (count >= 0 && data.remaining() == 0) { // count==0 if dataLength == 0<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> process();<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span><a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return count;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span><a name="line.372"></a> |
| <span class="sourceLineNo">373</span> // It creates the ByteBuff and CallCleanup and assign to Connection instance.<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> private void initByteBuffToReadInto(int length) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> this.data = rpcServer.bbAllocator.allocate(length);<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> this.callCleanup = data::release;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> protected int channelDataRead(ReadableByteChannel channel, ByteBuff buf) throws IOException {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> int count = buf.read(channel);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (count > 0) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> this.rpcServer.metrics.receivedBytes(count);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return count;<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> * Process the data buffer and clean the connection state for the next call.<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> */<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> private void process() throws IOException, InterruptedException {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> data.rewind();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> try {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> if (skipInitialSaslHandshake) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> skipInitialSaslHandshake = false;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> return;<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> if (useSasl) {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> saslReadAndProcess(data);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> } else {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> processOneRpc(data);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> } catch (Exception e) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> callCleanupIfNeeded();<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> throw e;<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> } finally {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> dataLengthBuffer.clear(); // Clean for the next call<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> data = null; // For the GC<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> this.callCleanup = null;<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> @Override<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> public synchronized void close() {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> disposeSasl();<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> data = null;<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> callCleanupIfNeeded();<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> if (!channel.isOpen()) {<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> return;<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> try {<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> socket.shutdownOutput();<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> } catch (Exception ignored) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> if (SimpleRpcServer.LOG.isTraceEnabled()) {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> SimpleRpcServer.LOG.trace("Ignored exception", ignored);<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> }<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> if (channel.isOpen()) {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> try {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> channel.close();<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> } catch (Exception ignored) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> try {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> socket.close();<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> } catch (Exception ignored) {<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> if (SimpleRpcServer.LOG.isTraceEnabled()) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> SimpleRpcServer.LOG.trace("Ignored exception", ignored);<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> }<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> }<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span><a name="line.442"></a> |
| <span class="sourceLineNo">443</span> @Override<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> public boolean isConnectionOpen() {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> return channel.isOpen();<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> }<a name="line.446"></a> |
| <span class="sourceLineNo">447</span><a name="line.447"></a> |
| <span class="sourceLineNo">448</span> @Override<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> public SimpleServerCall createCall(int id, BlockingService service, MethodDescriptor md,<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> RequestHeader header, Message param, CellScanner cellScanner, long size,<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> InetAddress remoteAddress, int timeout, CallCleanup reqCleanup) {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> return new SimpleServerCall(id, service, md, header, param, cellScanner, this, size,<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> remoteAddress, EnvironmentEdgeManager.currentTime(), timeout, this.rpcServer.bbAllocator,<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> this.rpcServer.cellBlockBuilder, reqCleanup, this.responder);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> }<a name="line.455"></a> |
| <span class="sourceLineNo">456</span><a name="line.456"></a> |
| <span class="sourceLineNo">457</span> @Override<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> protected void doRespond(RpcResponse resp) throws IOException {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> responder.doRespond(this, resp);<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> }<a name="line.460"></a> |
| <span class="sourceLineNo">461</span>}<a name="line.461"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
