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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.ipc;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import io.opentelemetry.api.GlobalOpenTelemetry;</span> |
| <span class="source-line-no">021</span><span id="line-21">import io.opentelemetry.context.Context;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.OutputStream;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.lang.reflect.InvocationTargetException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.net.ConnectException;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.net.SocketTimeoutException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.nio.channels.ClosedChannelException;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Map;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.TimeoutException;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.commons.lang3.mutable.MutableInt;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.DoNotRetryIOException;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseIOException;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.exceptions.ConnectionClosedException;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.exceptions.ConnectionClosingException;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.exceptions.TimeoutIOException;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.net.Address;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.ipc.RemoteException;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.slf4j.Logger;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.com.google.protobuf.CodedOutputStream;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hbase.thirdparty.com.google.protobuf.Message;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocal;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.shaded.protobuf.generated.TracingProtos.RPCTInfo;</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61">/**</span> |
| <span class="source-line-no">062</span><span id="line-62"> * Utility to help ipc'ing.</span> |
| <span class="source-line-no">063</span><span id="line-63"> */</span> |
| <span class="source-line-no">064</span><span id="line-64">@InterfaceAudience.Private</span> |
| <span class="source-line-no">065</span><span id="line-65">class IPCUtil {</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final Logger LOG = LoggerFactory.getLogger(IPCUtil.class);</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> /**</span> |
| <span class="source-line-no">070</span><span id="line-70"> * Write out header, param, and cell block if there is one.</span> |
| <span class="source-line-no">071</span><span id="line-71"> * @param dos Stream to write into</span> |
| <span class="source-line-no">072</span><span id="line-72"> * @param header to write</span> |
| <span class="source-line-no">073</span><span id="line-73"> * @param param to write</span> |
| <span class="source-line-no">074</span><span id="line-74"> * @param cellBlock to write</span> |
| <span class="source-line-no">075</span><span id="line-75"> * @return Total number of bytes written.</span> |
| <span class="source-line-no">076</span><span id="line-76"> * @throws IOException if write action fails</span> |
| <span class="source-line-no">077</span><span id="line-77"> */</span> |
| <span class="source-line-no">078</span><span id="line-78"> public static int write(final OutputStream dos, final Message header, final Message param,</span> |
| <span class="source-line-no">079</span><span id="line-79"> final ByteBuf cellBlock) throws IOException {</span> |
| <span class="source-line-no">080</span><span id="line-80"> // Must calculate total size and write that first so other side can read it all in in one</span> |
| <span class="source-line-no">081</span><span id="line-81"> // swoop. This is dictated by how the server is currently written. Server needs to change</span> |
| <span class="source-line-no">082</span><span id="line-82"> // if we are to be able to write without the length prefixing.</span> |
| <span class="source-line-no">083</span><span id="line-83"> int totalSize = IPCUtil.getTotalSizeWhenWrittenDelimited(header, param);</span> |
| <span class="source-line-no">084</span><span id="line-84"> if (cellBlock != null) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> totalSize += cellBlock.readableBytes();</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> return write(dos, header, param, cellBlock, totalSize);</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> private static int write(final OutputStream dos, final Message header, final Message param,</span> |
| <span class="source-line-no">091</span><span id="line-91"> final ByteBuf cellBlock, final int totalSize) throws IOException {</span> |
| <span class="source-line-no">092</span><span id="line-92"> // I confirmed toBytes does same as DataOutputStream#writeInt.</span> |
| <span class="source-line-no">093</span><span id="line-93"> dos.write(Bytes.toBytes(totalSize));</span> |
| <span class="source-line-no">094</span><span id="line-94"> // This allocates a buffer that is the size of the message internally.</span> |
| <span class="source-line-no">095</span><span id="line-95"> header.writeDelimitedTo(dos);</span> |
| <span class="source-line-no">096</span><span id="line-96"> if (param != null) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> param.writeDelimitedTo(dos);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> if (cellBlock != null) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> cellBlock.readBytes(dos, cellBlock.readableBytes());</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"> dos.flush();</span> |
| <span class="source-line-no">103</span><span id="line-103"> return totalSize;</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> /** Returns Size on the wire when the two messages are written with writeDelimitedTo */</span> |
| <span class="source-line-no">107</span><span id="line-107"> public static int getTotalSizeWhenWrittenDelimited(Message... messages) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> int totalSize = 0;</span> |
| <span class="source-line-no">109</span><span id="line-109"> for (Message m : messages) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> if (m == null) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> continue;</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"> totalSize += m.getSerializedSize();</span> |
| <span class="source-line-no">114</span><span id="line-114"> totalSize += CodedOutputStream.computeUInt32SizeNoTag(m.getSerializedSize());</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> Preconditions.checkArgument(totalSize < Integer.MAX_VALUE);</span> |
| <span class="source-line-no">117</span><span id="line-117"> return totalSize;</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> static RequestHeader buildRequestHeader(Call call, CellBlockMeta cellBlockMeta) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> RequestHeader.Builder builder = RequestHeader.newBuilder();</span> |
| <span class="source-line-no">122</span><span id="line-122"> builder.setCallId(call.id);</span> |
| <span class="source-line-no">123</span><span id="line-123"> RPCTInfo.Builder traceBuilder = RPCTInfo.newBuilder();</span> |
| <span class="source-line-no">124</span><span id="line-124"> GlobalOpenTelemetry.getPropagators().getTextMapPropagator().inject(Context.current(),</span> |
| <span class="source-line-no">125</span><span id="line-125"> traceBuilder, (carrier, key, value) -> carrier.putHeaders(key, value));</span> |
| <span class="source-line-no">126</span><span id="line-126"> builder.setTraceInfo(traceBuilder.build());</span> |
| <span class="source-line-no">127</span><span id="line-127"> builder.setMethodName(call.md.getName());</span> |
| <span class="source-line-no">128</span><span id="line-128"> builder.setRequestParam(call.param != null);</span> |
| <span class="source-line-no">129</span><span id="line-129"> if (cellBlockMeta != null) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> builder.setCellBlockMeta(cellBlockMeta);</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"> // Only pass priority if there is one set.</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (call.priority != HConstants.PRIORITY_UNSET) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> builder.setPriority(call.priority);</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> if (call.attributes != null && !call.attributes.isEmpty()) {</span> |
| <span class="source-line-no">137</span><span id="line-137"> HBaseProtos.NameBytesPair.Builder attributeBuilder = HBaseProtos.NameBytesPair.newBuilder();</span> |
| <span class="source-line-no">138</span><span id="line-138"> for (Map.Entry<String, byte[]> attribute : call.attributes.entrySet()) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> attributeBuilder.setName(attribute.getKey());</span> |
| <span class="source-line-no">140</span><span id="line-140"> attributeBuilder.setValue(UnsafeByteOperations.unsafeWrap(attribute.getValue()));</span> |
| <span class="source-line-no">141</span><span id="line-141"> builder.addAttribute(attributeBuilder.build());</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> builder.setTimeout(call.timeout);</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> return builder.build();</span> |
| <span class="source-line-no">147</span><span id="line-147"> }</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> /**</span> |
| <span class="source-line-no">150</span><span id="line-150"> * @param e exception to be wrapped</span> |
| <span class="source-line-no">151</span><span id="line-151"> * @return RemoteException made from passed <code>e</code></span> |
| <span class="source-line-no">152</span><span id="line-152"> */</span> |
| <span class="source-line-no">153</span><span id="line-153"> static RemoteException createRemoteException(final ExceptionResponse e) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> String innerExceptionClassName = e.getExceptionClassName();</span> |
| <span class="source-line-no">155</span><span id="line-155"> boolean doNotRetry = e.getDoNotRetry();</span> |
| <span class="source-line-no">156</span><span id="line-156"> boolean serverOverloaded = e.hasServerOverloaded() && e.getServerOverloaded();</span> |
| <span class="source-line-no">157</span><span id="line-157"> return e.hasHostname() ?</span> |
| <span class="source-line-no">158</span><span id="line-158"> // If a hostname then add it to the RemoteWithExtrasException</span> |
| <span class="source-line-no">159</span><span id="line-159"> new RemoteWithExtrasException(innerExceptionClassName, e.getStackTrace(), e.getHostname(),</span> |
| <span class="source-line-no">160</span><span id="line-160"> e.getPort(), doNotRetry, serverOverloaded)</span> |
| <span class="source-line-no">161</span><span id="line-161"> : new RemoteWithExtrasException(innerExceptionClassName, e.getStackTrace(), doNotRetry,</span> |
| <span class="source-line-no">162</span><span id="line-162"> serverOverloaded);</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"></span> |
| <span class="source-line-no">165</span><span id="line-165"> /** Returns True if the exception is a fatal connection exception. */</span> |
| <span class="source-line-no">166</span><span id="line-166"> static boolean isFatalConnectionException(ExceptionResponse e) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> if (e.getExceptionClassName().equals(FatalConnectionException.class.getName())) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> return true;</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> // try our best to check for sub classes of FatalConnectionException</span> |
| <span class="source-line-no">171</span><span id="line-171"> try {</span> |
| <span class="source-line-no">172</span><span id="line-172"> return e.getExceptionClassName() != null && FatalConnectionException.class.isAssignableFrom(</span> |
| <span class="source-line-no">173</span><span id="line-173"> Class.forName(e.getExceptionClassName(), false, IPCUtil.class.getClassLoader()));</span> |
| <span class="source-line-no">174</span><span id="line-174"> // Class.forName may throw ExceptionInInitializerError so we have to catch Throwable here</span> |
| <span class="source-line-no">175</span><span id="line-175"> } catch (Throwable t) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> LOG.debug("Can not get class object for {}", e.getExceptionClassName(), t);</span> |
| <span class="source-line-no">177</span><span id="line-177"> return false;</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> static boolean isSecurityNotEnabledException(IOException e) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> return e instanceof RemoteException</span> |
| <span class="source-line-no">183</span><span id="line-183"> && SecurityNotEnabledException.class.getName().equals(((RemoteException) e).getClassName());</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"></span> |
| <span class="source-line-no">186</span><span id="line-186"> static IOException toIOE(Throwable t) {</span> |
| <span class="source-line-no">187</span><span id="line-187"> if (t instanceof IOException) {</span> |
| <span class="source-line-no">188</span><span id="line-188"> return (IOException) t;</span> |
| <span class="source-line-no">189</span><span id="line-189"> } else {</span> |
| <span class="source-line-no">190</span><span id="line-190"> return new IOException(t);</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> private static String getCallTarget(Address addr, RegionInfo regionInfo) {</span> |
| <span class="source-line-no">195</span><span id="line-195"> return "address=" + addr</span> |
| <span class="source-line-no">196</span><span id="line-196"> + (regionInfo != null ? ", region=" + regionInfo.getRegionNameAsString() : "");</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> /**</span> |
| <span class="source-line-no">200</span><span id="line-200"> * Takes an Exception, the address, and if pertinent, the RegionInfo for the Region we were trying</span> |
| <span class="source-line-no">201</span><span id="line-201"> * to connect to and returns an IOException with the input exception as the cause. The new</span> |
| <span class="source-line-no">202</span><span id="line-202"> * exception provides the stack trace of the place where the exception is thrown and some extra</span> |
| <span class="source-line-no">203</span><span id="line-203"> * diagnostics information.</span> |
| <span class="source-line-no">204</span><span id="line-204"> * <p/></span> |
| <span class="source-line-no">205</span><span id="line-205"> * Notice that we will try our best to keep the original exception type when creating a new</span> |
| <span class="source-line-no">206</span><span id="line-206"> * exception, especially for the 'connection' exceptions, as it is used to determine whether this</span> |
| <span class="source-line-no">207</span><span id="line-207"> * is a network issue or the remote side tells us clearly what is wrong, which is important</span> |
| <span class="source-line-no">208</span><span id="line-208"> * deciding whether to retry. If it is not possible to create a new exception with the same type,</span> |
| <span class="source-line-no">209</span><span id="line-209"> * for example, the {@code error} is not an {@link IOException}, an {@link IOException} will be</span> |
| <span class="source-line-no">210</span><span id="line-210"> * created.</span> |
| <span class="source-line-no">211</span><span id="line-211"> * @param addr target address</span> |
| <span class="source-line-no">212</span><span id="line-212"> * @param error the relevant exception</span> |
| <span class="source-line-no">213</span><span id="line-213"> * @return an exception to throw</span> |
| <span class="source-line-no">214</span><span id="line-214"> * @see ClientExceptionsUtil#isConnectionException(Throwable)</span> |
| <span class="source-line-no">215</span><span id="line-215"> */</span> |
| <span class="source-line-no">216</span><span id="line-216"> static IOException wrapException(Address addr, RegionInfo regionInfo, Throwable error) {</span> |
| <span class="source-line-no">217</span><span id="line-217"> if (error instanceof ConnectException) {</span> |
| <span class="source-line-no">218</span><span id="line-218"> // connection refused; include the host:port in the error</span> |
| <span class="source-line-no">219</span><span id="line-219"> return (IOException) new ConnectException(</span> |
| <span class="source-line-no">220</span><span id="line-220"> "Call to " + getCallTarget(addr, regionInfo) + " failed on connection exception: " + error)</span> |
| <span class="source-line-no">221</span><span id="line-221"> .initCause(error);</span> |
| <span class="source-line-no">222</span><span id="line-222"> } else if (error instanceof SocketTimeoutException) {</span> |
| <span class="source-line-no">223</span><span id="line-223"> return (IOException) new SocketTimeoutException(</span> |
| <span class="source-line-no">224</span><span id="line-224"> "Call to " + getCallTarget(addr, regionInfo) + " failed because " + error).initCause(error);</span> |
| <span class="source-line-no">225</span><span id="line-225"> } else if (error instanceof ConnectionClosingException) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> return new ConnectionClosingException(</span> |
| <span class="source-line-no">227</span><span id="line-227"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">228</span><span id="line-228"> error);</span> |
| <span class="source-line-no">229</span><span id="line-229"> } else if (error instanceof ServerTooBusyException) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> // we already have address in the exception message</span> |
| <span class="source-line-no">231</span><span id="line-231"> return (IOException) error;</span> |
| <span class="source-line-no">232</span><span id="line-232"> } else if (error instanceof DoNotRetryIOException) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> // try our best to keep the original exception type</span> |
| <span class="source-line-no">234</span><span id="line-234"> try {</span> |
| <span class="source-line-no">235</span><span id="line-235"> return (IOException) error.getClass().asSubclass(DoNotRetryIOException.class)</span> |
| <span class="source-line-no">236</span><span id="line-236"> .getConstructor(String.class)</span> |
| <span class="source-line-no">237</span><span id="line-237"> .newInstance(</span> |
| <span class="source-line-no">238</span><span id="line-238"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error)</span> |
| <span class="source-line-no">239</span><span id="line-239"> .initCause(error);</span> |
| <span class="source-line-no">240</span><span id="line-240"> } catch (InstantiationException | IllegalAccessException | IllegalArgumentException</span> |
| <span class="source-line-no">241</span><span id="line-241"> | InvocationTargetException | NoSuchMethodException | SecurityException e) {</span> |
| <span class="source-line-no">242</span><span id="line-242"> // just ignore, will just new a DoNotRetryIOException instead below</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> return new DoNotRetryIOException(</span> |
| <span class="source-line-no">245</span><span id="line-245"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">246</span><span id="line-246"> error);</span> |
| <span class="source-line-no">247</span><span id="line-247"> } else if (error instanceof ConnectionClosedException) {</span> |
| <span class="source-line-no">248</span><span id="line-248"> return new ConnectionClosedException(</span> |
| <span class="source-line-no">249</span><span id="line-249"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">250</span><span id="line-250"> error);</span> |
| <span class="source-line-no">251</span><span id="line-251"> } else if (error instanceof CallTimeoutException) {</span> |
| <span class="source-line-no">252</span><span id="line-252"> return new CallTimeoutException(</span> |
| <span class="source-line-no">253</span><span id="line-253"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">254</span><span id="line-254"> error);</span> |
| <span class="source-line-no">255</span><span id="line-255"> } else if (error instanceof ClosedChannelException) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> // ClosedChannelException does not have a constructor which takes a String but it is a</span> |
| <span class="source-line-no">257</span><span id="line-257"> // connection exception so we keep its original type</span> |
| <span class="source-line-no">258</span><span id="line-258"> return (IOException) error;</span> |
| <span class="source-line-no">259</span><span id="line-259"> } else if (error instanceof TimeoutException) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> // TimeoutException is not an IOException, let's convert it to TimeoutIOException.</span> |
| <span class="source-line-no">261</span><span id="line-261"> return new TimeoutIOException(</span> |
| <span class="source-line-no">262</span><span id="line-262"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">263</span><span id="line-263"> error);</span> |
| <span class="source-line-no">264</span><span id="line-264"> } else {</span> |
| <span class="source-line-no">265</span><span id="line-265"> // try our best to keep the original exception type</span> |
| <span class="source-line-no">266</span><span id="line-266"> if (error instanceof IOException) {</span> |
| <span class="source-line-no">267</span><span id="line-267"> try {</span> |
| <span class="source-line-no">268</span><span id="line-268"> return (IOException) error.getClass().asSubclass(IOException.class)</span> |
| <span class="source-line-no">269</span><span id="line-269"> .getConstructor(String.class)</span> |
| <span class="source-line-no">270</span><span id="line-270"> .newInstance(</span> |
| <span class="source-line-no">271</span><span id="line-271"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error)</span> |
| <span class="source-line-no">272</span><span id="line-272"> .initCause(error);</span> |
| <span class="source-line-no">273</span><span id="line-273"> } catch (InstantiationException | IllegalAccessException | IllegalArgumentException</span> |
| <span class="source-line-no">274</span><span id="line-274"> | InvocationTargetException | NoSuchMethodException | SecurityException e) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> // just ignore, will just new an IOException instead below</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"> return new HBaseIOException(</span> |
| <span class="source-line-no">279</span><span id="line-279"> "Call to " + getCallTarget(addr, regionInfo) + " failed on local exception: " + error,</span> |
| <span class="source-line-no">280</span><span id="line-280"> error);</span> |
| <span class="source-line-no">281</span><span id="line-281"> }</span> |
| <span class="source-line-no">282</span><span id="line-282"> }</span> |
| <span class="source-line-no">283</span><span id="line-283"></span> |
| <span class="source-line-no">284</span><span id="line-284"> static void setCancelled(Call call) {</span> |
| <span class="source-line-no">285</span><span id="line-285"> call.setException(new CallCancelledException(call.toShortString() + ", waitTime="</span> |
| <span class="source-line-no">286</span><span id="line-286"> + (EnvironmentEdgeManager.currentTime() - call.getStartTime()) + ", rpcTimeout="</span> |
| <span class="source-line-no">287</span><span id="line-287"> + call.timeout));</span> |
| <span class="source-line-no">288</span><span id="line-288"> }</span> |
| <span class="source-line-no">289</span><span id="line-289"></span> |
| <span class="source-line-no">290</span><span id="line-290"> private static final FastThreadLocal<MutableInt> DEPTH = new FastThreadLocal<MutableInt>() {</span> |
| <span class="source-line-no">291</span><span id="line-291"></span> |
| <span class="source-line-no">292</span><span id="line-292"> @Override</span> |
| <span class="source-line-no">293</span><span id="line-293"> protected MutableInt initialValue() throws Exception {</span> |
| <span class="source-line-no">294</span><span id="line-294"> return new MutableInt(0);</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"> };</span> |
| <span class="source-line-no">297</span><span id="line-297"></span> |
| <span class="source-line-no">298</span><span id="line-298"> static final int MAX_DEPTH = 4;</span> |
| <span class="source-line-no">299</span><span id="line-299"></span> |
| <span class="source-line-no">300</span><span id="line-300"> static void execute(EventLoop eventLoop, Runnable action) {</span> |
| <span class="source-line-no">301</span><span id="line-301"> if (eventLoop.inEventLoop()) {</span> |
| <span class="source-line-no">302</span><span id="line-302"> // this is used to prevent stack overflow, you can see the same trick in netty's LocalChannel</span> |
| <span class="source-line-no">303</span><span id="line-303"> // implementation.</span> |
| <span class="source-line-no">304</span><span id="line-304"> MutableInt depth = DEPTH.get();</span> |
| <span class="source-line-no">305</span><span id="line-305"> if (depth.intValue() < MAX_DEPTH) {</span> |
| <span class="source-line-no">306</span><span id="line-306"> depth.increment();</span> |
| <span class="source-line-no">307</span><span id="line-307"> try {</span> |
| <span class="source-line-no">308</span><span id="line-308"> action.run();</span> |
| <span class="source-line-no">309</span><span id="line-309"> } finally {</span> |
| <span class="source-line-no">310</span><span id="line-310"> depth.decrement();</span> |
| <span class="source-line-no">311</span><span id="line-311"> }</span> |
| <span class="source-line-no">312</span><span id="line-312"> } else {</span> |
| <span class="source-line-no">313</span><span id="line-313"> eventLoop.execute(action);</span> |
| <span class="source-line-no">314</span><span id="line-314"> }</span> |
| <span class="source-line-no">315</span><span id="line-315"> } else {</span> |
| <span class="source-line-no">316</span><span id="line-316"> eventLoop.execute(action);</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"> }</span> |
| <span class="source-line-no">319</span><span id="line-319">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
