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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.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.OutputStream;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.lang.reflect.InvocationTargetException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.net.ConnectException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.net.InetSocketAddress;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.net.SocketTimeoutException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.nio.channels.ClosedChannelException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.TimeoutException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.commons.lang3.mutable.MutableInt;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HConstants;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.exceptions.ConnectionClosedException;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.exceptions.ConnectionClosingException;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.exceptions.TimeoutIOException;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.com.google.protobuf.CodedOutputStream;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocal;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>/**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * Utility to help ipc'ing.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>@InterfaceAudience.Private<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>class IPCUtil {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> /**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Write out header, param, and cell block if there is one.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @param dos Stream to write into<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * @param header to write<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * @param param to write<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @param cellBlock to write<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * @return Total number of bytes written.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * @throws IOException if write action fails<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static int write(final OutputStream dos, final Message header, final Message param,<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> final ByteBuf cellBlock) throws IOException {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // Must calculate total size and write that first so other side can read it all in in one<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> // swoop. This is dictated by how the server is currently written. Server needs to change<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> // if we are to be able to write without the length prefixing.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> int totalSize = IPCUtil.getTotalSizeWhenWrittenDelimited(header, param);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> if (cellBlock != null) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> totalSize += cellBlock.readableBytes();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return write(dos, header, param, cellBlock, totalSize);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static int write(final OutputStream dos, final Message header, final Message param,<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> final ByteBuf cellBlock, final int totalSize) throws IOException {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // I confirmed toBytes does same as DataOutputStream#writeInt.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> dos.write(Bytes.toBytes(totalSize));<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> // This allocates a buffer that is the size of the message internally.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> header.writeDelimitedTo(dos);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> if (param != null) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> param.writeDelimitedTo(dos);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> if (cellBlock != null) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> cellBlock.readBytes(dos, cellBlock.readableBytes());<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> dos.flush();<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return totalSize;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /**<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * @return Size on the wire when the two messages are written with writeDelimitedTo<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public static int getTotalSizeWhenWrittenDelimited(Message... messages) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> int totalSize = 0;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> for (Message m : messages) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> if (m == null) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> continue;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> totalSize += m.getSerializedSize();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> totalSize += CodedOutputStream.computeUInt32SizeNoTag(m.getSerializedSize());<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> Preconditions.checkArgument(totalSize < Integer.MAX_VALUE);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> return totalSize;<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> static RequestHeader buildRequestHeader(Call call, CellBlockMeta cellBlockMeta) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> RequestHeader.Builder builder = RequestHeader.newBuilder();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> builder.setCallId(call.id);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> //TODO handle htrace API change, see HBASE-18895<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> /*if (call.span != null) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> builder.setTraceInfo(RPCTInfo.newBuilder().setParentId(call.span.getSpanId())<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> .setTraceId(call.span.getTracerId()));<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }*/<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> builder.setMethodName(call.md.getName());<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> builder.setRequestParam(call.param != null);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> if (cellBlockMeta != null) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> builder.setCellBlockMeta(cellBlockMeta);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // Only pass priority if there is one set.<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (call.priority != HConstants.PRIORITY_UNSET) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> builder.setPriority(call.priority);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> builder.setTimeout(call.timeout);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> return builder.build();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> /**<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @param e exception to be wrapped<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @return RemoteException made from passed <code>e</code><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> */<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> static RemoteException createRemoteException(final ExceptionResponse e) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> String innerExceptionClassName = e.getExceptionClassName();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> boolean doNotRetry = e.getDoNotRetry();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return e.hasHostname() ?<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> // If a hostname then add it to the RemoteWithExtrasException<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> new RemoteWithExtrasException(innerExceptionClassName, e.getStackTrace(), e.getHostname(),<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> e.getPort(), doNotRetry)<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> : new RemoteWithExtrasException(innerExceptionClassName, e.getStackTrace(), doNotRetry);<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> /**<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * @return True if the exception is a fatal connection exception.<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> */<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> static boolean isFatalConnectionException(final ExceptionResponse e) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return e.getExceptionClassName().equals(FatalConnectionException.class.getName());<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> static IOException toIOE(Throwable t) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (t instanceof IOException) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> return (IOException) t;<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> } else {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> return new IOException(t);<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><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> /**<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> * Takes an Exception and the address we were trying to connect to and return an IOException with<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * the input exception as the cause. The new exception provides the stack trace of the place where<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * the exception is thrown and some extra diagnostics information.<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * <p/><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * Notice that we will try our best to keep the original exception type when creating a new<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * exception, especially for the 'connection' exceptions, as it is used to determine whether this<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * is a network issue or the remote side tells us clearly what is wrong, which is very important<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * to decide whether to retry. If it is not possible to create a new exception with the same type,<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * for example, the {@code error} is not an {@link IOException}, an {@link IOException} will be<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * created.<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * @param addr target address<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * @param error the relevant exception<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @return an exception to throw<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * @see ClientExceptionsUtil#isConnectionException(Throwable)<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> */<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> static IOException wrapException(InetSocketAddress addr, Throwable error) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> if (error instanceof ConnectException) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // connection refused; include the host:port in the error<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> return (IOException) new ConnectException(<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> "Call to " + addr + " failed on connection exception: " + error).initCause(error);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> } else if (error instanceof SocketTimeoutException) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return (IOException) new SocketTimeoutException(<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> "Call to " + addr + " failed because " + error).initCause(error);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> } else if (error instanceof ConnectionClosingException) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> return new ConnectionClosingException("Call to " + addr + " failed on local exception: "<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> + error, error);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> } else if (error instanceof ServerTooBusyException) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // we already have address in the exception message<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> return (IOException) error;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> } else if (error instanceof DoNotRetryIOException) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // try our best to keep the original exception type<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> try {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> return (IOException) error.getClass().asSubclass(DoNotRetryIOException.class)<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> .getConstructor(String.class)<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> .newInstance("Call to " + addr + " failed on local exception: " + error).initCause(error);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> } catch (InstantiationException | IllegalAccessException | IllegalArgumentException<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> | InvocationTargetException | NoSuchMethodException | SecurityException e) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // just ignore, will just new a DoNotRetryIOException instead below<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> return new DoNotRetryIOException("Call to " + addr + " failed on local exception: "<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> + error, error);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> } else if (error instanceof ConnectionClosedException) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return new ConnectionClosedException("Call to " + addr + " failed on local exception: "<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> + error, error);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> } else if (error instanceof CallTimeoutException) {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> return new CallTimeoutException("Call to " + addr + " failed on local exception: "<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> + error, error);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> } else if (error instanceof ClosedChannelException) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> // ClosedChannelException does not have a constructor which takes a String but it is a<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // connection exception so we keep its original type<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> return (IOException) error;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> } else if (error instanceof TimeoutException) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // TimeoutException is not an IOException, let's convert it to TimeoutIOException.<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> return new TimeoutIOException("Call to " + addr + " failed on local exception: "<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> + error, error);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> } else {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> // try our best to keep the original exception type<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> if (error instanceof IOException) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> try {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return (IOException) error.getClass().asSubclass(IOException.class)<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> .getConstructor(String.class)<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> .newInstance("Call to " + addr + " failed on local exception: " + error)<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> .initCause(error);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> } catch (InstantiationException | IllegalAccessException | IllegalArgumentException<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> | InvocationTargetException | NoSuchMethodException | SecurityException e) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // just ignore, will just new an IOException instead below<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return new HBaseIOException("Call to " + addr + " failed on local exception: "<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> + error, error);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> static void setCancelled(Call call) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> call.setException(new CallCancelledException(call.toShortString() + ", waitTime="<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> + (EnvironmentEdgeManager.currentTime() - call.getStartTime()) + ", rpcTimeout="<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> + call.timeout));<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> private static final FastThreadLocal<MutableInt> DEPTH = new FastThreadLocal<MutableInt>() {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> @Override<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> protected MutableInt initialValue() throws Exception {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> return new MutableInt(0);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> };<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> @VisibleForTesting<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> static final int MAX_DEPTH = 4;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> static void execute(EventLoop eventLoop, Runnable action) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (eventLoop.inEventLoop()) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // this is used to prevent stack overflow, you can see the same trick in netty's LocalChannel<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // implementation.<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> MutableInt depth = DEPTH.get();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> if (depth.intValue() < MAX_DEPTH) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> depth.increment();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> try {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> action.run();<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> } finally {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> depth.decrement();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> } else {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> eventLoop.execute(action);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> } else {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> eventLoop.execute(action);<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
