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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.io.asyncfs;</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 static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputSaslHelper.createEncryptor;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputSaslHelper.trySaslNegotiate;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.util.LocatedBlockHelper.getLocatedBlockLocations;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.apache.hadoop.hbase.util.NettyFutureUtils.addListener;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.apache.hadoop.hbase.util.NettyFutureUtils.safeClose;</span> |
| <span class="source-line-no">025</span><span id="line-25">import static org.apache.hadoop.hbase.util.NettyFutureUtils.safeWriteAndFlush;</span> |
| <span class="source-line-no">026</span><span id="line-26">import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY;</span> |
| <span class="source-line-no">027</span><span id="line-27">import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_USE_DN_HOSTNAME;</span> |
| <span class="source-line-no">028</span><span id="line-28">import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_USE_DN_HOSTNAME_DEFAULT;</span> |
| <span class="source-line-no">029</span><span id="line-29">import static org.apache.hadoop.hdfs.protocol.datatransfer.BlockConstructionStage.PIPELINE_SETUP_CREATE;</span> |
| <span class="source-line-no">030</span><span id="line-30">import static org.apache.hbase.thirdparty.io.netty.channel.ChannelOption.CONNECT_TIMEOUT_MILLIS;</span> |
| <span class="source-line-no">031</span><span id="line-31">import static org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleState.READER_IDLE;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">import java.io.IOException;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.io.InterruptedIOException;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.lang.reflect.InvocationTargetException;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.lang.reflect.Method;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.ArrayList;</span> |
| <span class="source-line-no">038</span><span id="line-38">import java.util.EnumSet;</span> |
| <span class="source-line-no">039</span><span id="line-39">import java.util.HashSet;</span> |
| <span class="source-line-no">040</span><span id="line-40">import java.util.IdentityHashMap;</span> |
| <span class="source-line-no">041</span><span id="line-41">import java.util.List;</span> |
| <span class="source-line-no">042</span><span id="line-42">import java.util.Map;</span> |
| <span class="source-line-no">043</span><span id="line-43">import java.util.Set;</span> |
| <span class="source-line-no">044</span><span id="line-44">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.crypto.CryptoProtocolVersion;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.crypto.Encryptor;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.fs.CreateFlag;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.fs.FileSystemLinkResolver;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.fs.StorageType;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.fs.UnresolvedLinkException;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.fs.permission.FsPermission;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.client.ConnectionUtils;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.util.CancelableProgressable;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hdfs.DFSClient;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hdfs.DFSOutputStream;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hadoop.hdfs.DistributedFileSystem;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hdfs.protocol.ClientProtocol;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hdfs.protocol.DatanodeInfo;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hdfs.protocol.ExtendedBlock;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hadoop.hdfs.protocol.LocatedBlock;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.apache.hadoop.hdfs.protocol.datatransfer.BlockConstructionStage;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil;</span> |
| <span class="source-line-no">069</span><span id="line-69">import org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtocol;</span> |
| <span class="source-line-no">070</span><span id="line-70">import org.apache.hadoop.hdfs.protocol.datatransfer.Op;</span> |
| <span class="source-line-no">071</span><span id="line-71">import org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck;</span> |
| <span class="source-line-no">072</span><span id="line-72">import org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck.ECN;</span> |
| <span class="source-line-no">073</span><span id="line-73">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto;</span> |
| <span class="source-line-no">074</span><span id="line-74">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto;</span> |
| <span class="source-line-no">075</span><span id="line-75">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.CachingStrategyProto;</span> |
| <span class="source-line-no">076</span><span id="line-76">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto;</span> |
| <span class="source-line-no">077</span><span id="line-77">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto;</span> |
| <span class="source-line-no">078</span><span id="line-78">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto;</span> |
| <span class="source-line-no">079</span><span id="line-79">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PipelineAckProto;</span> |
| <span class="source-line-no">080</span><span id="line-80">import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status;</span> |
| <span class="source-line-no">081</span><span id="line-81">import org.apache.hadoop.hdfs.protocolPB.PBHelperClient;</span> |
| <span class="source-line-no">082</span><span id="line-82">import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;</span> |
| <span class="source-line-no">083</span><span id="line-83">import org.apache.hadoop.hdfs.security.token.block.InvalidBlockTokenException;</span> |
| <span class="source-line-no">084</span><span id="line-84">import org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException;</span> |
| <span class="source-line-no">085</span><span id="line-85">import org.apache.hadoop.io.EnumSetWritable;</span> |
| <span class="source-line-no">086</span><span id="line-86">import org.apache.hadoop.ipc.RemoteException;</span> |
| <span class="source-line-no">087</span><span id="line-87">import org.apache.hadoop.net.NetUtils;</span> |
| <span class="source-line-no">088</span><span id="line-88">import org.apache.hadoop.security.token.Token;</span> |
| <span class="source-line-no">089</span><span id="line-89">import org.apache.hadoop.util.DataChecksum;</span> |
| <span class="source-line-no">090</span><span id="line-90">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">091</span><span id="line-91">import org.slf4j.Logger;</span> |
| <span class="source-line-no">092</span><span id="line-92">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94">import org.apache.hbase.thirdparty.com.google.protobuf.CodedOutputStream;</span> |
| <span class="source-line-no">095</span><span id="line-95">import org.apache.hbase.thirdparty.io.netty.bootstrap.Bootstrap;</span> |
| <span class="source-line-no">096</span><span id="line-96">import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;</span> |
| <span class="source-line-no">097</span><span id="line-97">import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator;</span> |
| <span class="source-line-no">098</span><span id="line-98">import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufOutputStream;</span> |
| <span class="source-line-no">099</span><span id="line-99">import org.apache.hbase.thirdparty.io.netty.buffer.PooledByteBufAllocator;</span> |
| <span class="source-line-no">100</span><span id="line-100">import org.apache.hbase.thirdparty.io.netty.channel.Channel;</span> |
| <span class="source-line-no">101</span><span id="line-101">import org.apache.hbase.thirdparty.io.netty.channel.ChannelFuture;</span> |
| <span class="source-line-no">102</span><span id="line-102">import org.apache.hbase.thirdparty.io.netty.channel.ChannelFutureListener;</span> |
| <span class="source-line-no">103</span><span id="line-103">import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler;</span> |
| <span class="source-line-no">104</span><span id="line-104">import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;</span> |
| <span class="source-line-no">105</span><span id="line-105">import org.apache.hbase.thirdparty.io.netty.channel.ChannelInitializer;</span> |
| <span class="source-line-no">106</span><span id="line-106">import org.apache.hbase.thirdparty.io.netty.channel.ChannelPipeline;</span> |
| <span class="source-line-no">107</span><span id="line-107">import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;</span> |
| <span class="source-line-no">108</span><span id="line-108">import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;</span> |
| <span class="source-line-no">109</span><span id="line-109">import org.apache.hbase.thirdparty.io.netty.channel.SimpleChannelInboundHandler;</span> |
| <span class="source-line-no">110</span><span id="line-110">import org.apache.hbase.thirdparty.io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;</span> |
| <span class="source-line-no">111</span><span id="line-111">import org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateEvent;</span> |
| <span class="source-line-no">112</span><span id="line-112">import org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler;</span> |
| <span class="source-line-no">113</span><span id="line-113">import org.apache.hbase.thirdparty.io.netty.util.concurrent.Future;</span> |
| <span class="source-line-no">114</span><span id="line-114">import org.apache.hbase.thirdparty.io.netty.util.concurrent.FutureListener;</span> |
| <span class="source-line-no">115</span><span id="line-115">import org.apache.hbase.thirdparty.io.netty.util.concurrent.Promise;</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117">/**</span> |
| <span class="source-line-no">118</span><span id="line-118"> * Helper class for implementing {@link FanOutOneBlockAsyncDFSOutput}.</span> |
| <span class="source-line-no">119</span><span id="line-119"> */</span> |
| <span class="source-line-no">120</span><span id="line-120">@InterfaceAudience.Private</span> |
| <span class="source-line-no">121</span><span id="line-121">public final class FanOutOneBlockAsyncDFSOutputHelper {</span> |
| <span class="source-line-no">122</span><span id="line-122"> private static final Logger LOG =</span> |
| <span class="source-line-no">123</span><span id="line-123"> LoggerFactory.getLogger(FanOutOneBlockAsyncDFSOutputHelper.class);</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> private FanOutOneBlockAsyncDFSOutputHelper() {</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> public static final String ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES = "hbase.fs.async.create.retries";</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> public static final int DEFAULT_ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES = 10;</span> |
| <span class="source-line-no">131</span><span id="line-131"> // use pooled allocator for performance.</span> |
| <span class="source-line-no">132</span><span id="line-132"> private static final ByteBufAllocator ALLOC = PooledByteBufAllocator.DEFAULT;</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> // copied from DFSPacket since it is package private.</span> |
| <span class="source-line-no">135</span><span id="line-135"> public static final long HEART_BEAT_SEQNO = -1L;</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> // Timeouts for communicating with DataNode for streaming writes/reads</span> |
| <span class="source-line-no">138</span><span id="line-138"> public static final int READ_TIMEOUT = 60 * 1000;</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> private interface LeaseManager {</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> void begin(DFSClient client, long inodeId);</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> void end(DFSClient client, long inodeId);</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> private static final LeaseManager LEASE_MANAGER;</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> // helper class for creating files.</span> |
| <span class="source-line-no">150</span><span id="line-150"> private interface FileCreator {</span> |
| <span class="source-line-no">151</span><span id="line-151"> default HdfsFileStatus create(ClientProtocol instance, String src, FsPermission masked,</span> |
| <span class="source-line-no">152</span><span id="line-152"> String clientName, EnumSetWritable<CreateFlag> flag, boolean createParent, short replication,</span> |
| <span class="source-line-no">153</span><span id="line-153"> long blockSize, CryptoProtocolVersion[] supportedVersions) throws Exception {</span> |
| <span class="source-line-no">154</span><span id="line-154"> try {</span> |
| <span class="source-line-no">155</span><span id="line-155"> return (HdfsFileStatus) createObject(instance, src, masked, clientName, flag, createParent,</span> |
| <span class="source-line-no">156</span><span id="line-156"> replication, blockSize, supportedVersions);</span> |
| <span class="source-line-no">157</span><span id="line-157"> } catch (InvocationTargetException e) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> if (e.getCause() instanceof Exception) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> throw (Exception) e.getCause();</span> |
| <span class="source-line-no">160</span><span id="line-160"> } else {</span> |
| <span class="source-line-no">161</span><span id="line-161"> throw new RuntimeException(e.getCause());</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</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"></span> |
| <span class="source-line-no">166</span><span id="line-166"> Object createObject(ClientProtocol instance, String src, FsPermission masked, String clientName,</span> |
| <span class="source-line-no">167</span><span id="line-167"> EnumSetWritable<CreateFlag> flag, boolean createParent, short replication, long blockSize,</span> |
| <span class="source-line-no">168</span><span id="line-168"> CryptoProtocolVersion[] supportedVersions) throws Exception;</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> private static final FileCreator FILE_CREATOR;</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> private static LeaseManager createLeaseManager() throws NoSuchMethodException {</span> |
| <span class="source-line-no">174</span><span id="line-174"> Method beginFileLeaseMethod =</span> |
| <span class="source-line-no">175</span><span id="line-175"> DFSClient.class.getDeclaredMethod("beginFileLease", long.class, DFSOutputStream.class);</span> |
| <span class="source-line-no">176</span><span id="line-176"> beginFileLeaseMethod.setAccessible(true);</span> |
| <span class="source-line-no">177</span><span id="line-177"> Method endFileLeaseMethod = DFSClient.class.getDeclaredMethod("endFileLease", long.class);</span> |
| <span class="source-line-no">178</span><span id="line-178"> endFileLeaseMethod.setAccessible(true);</span> |
| <span class="source-line-no">179</span><span id="line-179"> return new LeaseManager() {</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> @Override</span> |
| <span class="source-line-no">182</span><span id="line-182"> public void begin(DFSClient client, long inodeId) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> try {</span> |
| <span class="source-line-no">184</span><span id="line-184"> beginFileLeaseMethod.invoke(client, inodeId, null);</span> |
| <span class="source-line-no">185</span><span id="line-185"> } catch (IllegalAccessException | InvocationTargetException e) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> throw new RuntimeException(e);</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"></span> |
| <span class="source-line-no">190</span><span id="line-190"> @Override</span> |
| <span class="source-line-no">191</span><span id="line-191"> public void end(DFSClient client, long inodeId) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> try {</span> |
| <span class="source-line-no">193</span><span id="line-193"> endFileLeaseMethod.invoke(client, inodeId);</span> |
| <span class="source-line-no">194</span><span id="line-194"> } catch (IllegalAccessException | InvocationTargetException e) {</span> |
| <span class="source-line-no">195</span><span id="line-195"> throw new RuntimeException(e);</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</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"></span> |
| <span class="source-line-no">201</span><span id="line-201"> private static FileCreator createFileCreator3_3() throws NoSuchMethodException {</span> |
| <span class="source-line-no">202</span><span id="line-202"> Method createMethod = ClientProtocol.class.getMethod("create", String.class, FsPermission.class,</span> |
| <span class="source-line-no">203</span><span id="line-203"> String.class, EnumSetWritable.class, boolean.class, short.class, long.class,</span> |
| <span class="source-line-no">204</span><span id="line-204"> CryptoProtocolVersion[].class, String.class, String.class);</span> |
| <span class="source-line-no">205</span><span id="line-205"></span> |
| <span class="source-line-no">206</span><span id="line-206"> return (instance, src, masked, clientName, flag, createParent, replication, blockSize,</span> |
| <span class="source-line-no">207</span><span id="line-207"> supportedVersions) -> {</span> |
| <span class="source-line-no">208</span><span id="line-208"> return (HdfsFileStatus) createMethod.invoke(instance, src, masked, clientName, flag,</span> |
| <span class="source-line-no">209</span><span id="line-209"> createParent, replication, blockSize, supportedVersions, null, null);</span> |
| <span class="source-line-no">210</span><span id="line-210"> };</span> |
| <span class="source-line-no">211</span><span id="line-211"> }</span> |
| <span class="source-line-no">212</span><span id="line-212"></span> |
| <span class="source-line-no">213</span><span id="line-213"> private static FileCreator createFileCreator3() throws NoSuchMethodException {</span> |
| <span class="source-line-no">214</span><span id="line-214"> Method createMethod = ClientProtocol.class.getMethod("create", String.class, FsPermission.class,</span> |
| <span class="source-line-no">215</span><span id="line-215"> String.class, EnumSetWritable.class, boolean.class, short.class, long.class,</span> |
| <span class="source-line-no">216</span><span id="line-216"> CryptoProtocolVersion[].class, String.class);</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> return (instance, src, masked, clientName, flag, createParent, replication, blockSize,</span> |
| <span class="source-line-no">219</span><span id="line-219"> supportedVersions) -> {</span> |
| <span class="source-line-no">220</span><span id="line-220"> return (HdfsFileStatus) createMethod.invoke(instance, src, masked, clientName, flag,</span> |
| <span class="source-line-no">221</span><span id="line-221"> createParent, replication, blockSize, supportedVersions, null);</span> |
| <span class="source-line-no">222</span><span id="line-222"> };</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> private static FileCreator createFileCreator() throws NoSuchMethodException {</span> |
| <span class="source-line-no">226</span><span id="line-226"> try {</span> |
| <span class="source-line-no">227</span><span id="line-227"> return createFileCreator3_3();</span> |
| <span class="source-line-no">228</span><span id="line-228"> } catch (NoSuchMethodException e) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> LOG.debug("ClientProtocol::create wrong number of arguments, should be hadoop 3.2 or below");</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"></span> |
| <span class="source-line-no">232</span><span id="line-232"> return createFileCreator3();</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> // cancel the processing if DFSClient is already closed.</span> |
| <span class="source-line-no">236</span><span id="line-236"> static final class CancelOnClose implements CancelableProgressable {</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> private final DFSClient client;</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> public CancelOnClose(DFSClient client) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> this.client = client;</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"></span> |
| <span class="source-line-no">244</span><span id="line-244"> @Override</span> |
| <span class="source-line-no">245</span><span id="line-245"> public boolean progress() {</span> |
| <span class="source-line-no">246</span><span id="line-246"> return client.isClientRunning();</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"> }</span> |
| <span class="source-line-no">249</span><span id="line-249"></span> |
| <span class="source-line-no">250</span><span id="line-250"> static {</span> |
| <span class="source-line-no">251</span><span id="line-251"> try {</span> |
| <span class="source-line-no">252</span><span id="line-252"> LEASE_MANAGER = createLeaseManager();</span> |
| <span class="source-line-no">253</span><span id="line-253"> FILE_CREATOR = createFileCreator();</span> |
| <span class="source-line-no">254</span><span id="line-254"> } catch (Exception e) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> String msg = "Couldn't properly initialize access to HDFS internals. Please "</span> |
| <span class="source-line-no">256</span><span id="line-256"> + "update your WAL Provider to not make use of the 'asyncfs' provider. See "</span> |
| <span class="source-line-no">257</span><span id="line-257"> + "HBASE-16110 for more information.";</span> |
| <span class="source-line-no">258</span><span id="line-258"> LOG.error(msg, e);</span> |
| <span class="source-line-no">259</span><span id="line-259"> throw new Error(msg, e);</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"></span> |
| <span class="source-line-no">263</span><span id="line-263"> static void beginFileLease(DFSClient client, long inodeId) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> LEASE_MANAGER.begin(client, inodeId);</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"></span> |
| <span class="source-line-no">267</span><span id="line-267"> static void endFileLease(DFSClient client, long inodeId) {</span> |
| <span class="source-line-no">268</span><span id="line-268"> LEASE_MANAGER.end(client, inodeId);</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> static DataChecksum createChecksum(DFSClient client) {</span> |
| <span class="source-line-no">272</span><span id="line-272"> return client.getConf().createChecksum(null);</span> |
| <span class="source-line-no">273</span><span id="line-273"> }</span> |
| <span class="source-line-no">274</span><span id="line-274"></span> |
| <span class="source-line-no">275</span><span id="line-275"> static Status getStatus(PipelineAckProto ack) {</span> |
| <span class="source-line-no">276</span><span id="line-276"> List<Integer> flagList = ack.getFlagList();</span> |
| <span class="source-line-no">277</span><span id="line-277"> Integer headerFlag;</span> |
| <span class="source-line-no">278</span><span id="line-278"> if (flagList.isEmpty()) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> Status reply = ack.getReply(0);</span> |
| <span class="source-line-no">280</span><span id="line-280"> headerFlag = PipelineAck.combineHeader(ECN.DISABLED, reply);</span> |
| <span class="source-line-no">281</span><span id="line-281"> } else {</span> |
| <span class="source-line-no">282</span><span id="line-282"> headerFlag = flagList.get(0);</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> return PipelineAck.getStatusFromHeader(headerFlag);</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> private static void processWriteBlockResponse(Channel channel, DatanodeInfo dnInfo,</span> |
| <span class="source-line-no">288</span><span id="line-288"> Promise<Channel> promise, int timeoutMs) {</span> |
| <span class="source-line-no">289</span><span id="line-289"> channel.pipeline().addLast(new IdleStateHandler(timeoutMs, 0, 0, TimeUnit.MILLISECONDS),</span> |
| <span class="source-line-no">290</span><span id="line-290"> new ProtobufVarint32FrameDecoder(),</span> |
| <span class="source-line-no">291</span><span id="line-291"> new ProtobufDecoder(BlockOpResponseProto.getDefaultInstance()),</span> |
| <span class="source-line-no">292</span><span id="line-292"> new SimpleChannelInboundHandler<BlockOpResponseProto>() {</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> @Override</span> |
| <span class="source-line-no">295</span><span id="line-295"> protected void channelRead0(ChannelHandlerContext ctx, BlockOpResponseProto resp)</span> |
| <span class="source-line-no">296</span><span id="line-296"> throws Exception {</span> |
| <span class="source-line-no">297</span><span id="line-297"> Status pipelineStatus = resp.getStatus();</span> |
| <span class="source-line-no">298</span><span id="line-298"> if (PipelineAck.isRestartOOBStatus(pipelineStatus)) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> throw new IOException("datanode " + dnInfo + " is restarting");</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"> String logInfo = "ack with firstBadLink as " + resp.getFirstBadLink();</span> |
| <span class="source-line-no">302</span><span id="line-302"> if (resp.getStatus() != Status.SUCCESS) {</span> |
| <span class="source-line-no">303</span><span id="line-303"> if (resp.getStatus() == Status.ERROR_ACCESS_TOKEN) {</span> |
| <span class="source-line-no">304</span><span id="line-304"> throw new InvalidBlockTokenException("Got access token error" + ", status message "</span> |
| <span class="source-line-no">305</span><span id="line-305"> + resp.getMessage() + ", " + logInfo);</span> |
| <span class="source-line-no">306</span><span id="line-306"> } else {</span> |
| <span class="source-line-no">307</span><span id="line-307"> throw new IOException("Got error" + ", status=" + resp.getStatus().name()</span> |
| <span class="source-line-no">308</span><span id="line-308"> + ", status message " + resp.getMessage() + ", " + logInfo);</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"> // success</span> |
| <span class="source-line-no">312</span><span id="line-312"> ChannelPipeline p = ctx.pipeline();</span> |
| <span class="source-line-no">313</span><span id="line-313"> for (ChannelHandler handler; (handler = p.removeLast()) != null;) {</span> |
| <span class="source-line-no">314</span><span id="line-314"> // do not remove all handlers because we may have wrap or unwrap handlers at the header</span> |
| <span class="source-line-no">315</span><span id="line-315"> // of pipeline.</span> |
| <span class="source-line-no">316</span><span id="line-316"> if (handler instanceof IdleStateHandler) {</span> |
| <span class="source-line-no">317</span><span id="line-317"> break;</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> |
| <span class="source-line-no">320</span><span id="line-320"> // Disable auto read here. Enable it after we setup the streaming pipeline in</span> |
| <span class="source-line-no">321</span><span id="line-321"> // FanOutOneBLockAsyncDFSOutput.</span> |
| <span class="source-line-no">322</span><span id="line-322"> ctx.channel().config().setAutoRead(false);</span> |
| <span class="source-line-no">323</span><span id="line-323"> promise.trySuccess(ctx.channel());</span> |
| <span class="source-line-no">324</span><span id="line-324"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"></span> |
| <span class="source-line-no">326</span><span id="line-326"> @Override</span> |
| <span class="source-line-no">327</span><span id="line-327"> public void channelInactive(ChannelHandlerContext ctx) throws Exception {</span> |
| <span class="source-line-no">328</span><span id="line-328"> promise.tryFailure(new IOException("connection to " + dnInfo + " is closed"));</span> |
| <span class="source-line-no">329</span><span id="line-329"> }</span> |
| <span class="source-line-no">330</span><span id="line-330"></span> |
| <span class="source-line-no">331</span><span id="line-331"> @Override</span> |
| <span class="source-line-no">332</span><span id="line-332"> public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {</span> |
| <span class="source-line-no">333</span><span id="line-333"> if (evt instanceof IdleStateEvent && ((IdleStateEvent) evt).state() == READER_IDLE) {</span> |
| <span class="source-line-no">334</span><span id="line-334"> promise</span> |
| <span class="source-line-no">335</span><span id="line-335"> .tryFailure(new IOException("Timeout(" + timeoutMs + "ms) waiting for response"));</span> |
| <span class="source-line-no">336</span><span id="line-336"> } else {</span> |
| <span class="source-line-no">337</span><span id="line-337"> super.userEventTriggered(ctx, evt);</span> |
| <span class="source-line-no">338</span><span id="line-338"> }</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</span> |
| <span class="source-line-no">340</span><span id="line-340"></span> |
| <span class="source-line-no">341</span><span id="line-341"> @Override</span> |
| <span class="source-line-no">342</span><span id="line-342"> public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {</span> |
| <span class="source-line-no">343</span><span id="line-343"> promise.tryFailure(cause);</span> |
| <span class="source-line-no">344</span><span id="line-344"> }</span> |
| <span class="source-line-no">345</span><span id="line-345"> });</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"></span> |
| <span class="source-line-no">348</span><span id="line-348"> private static void requestWriteBlock(Channel channel, StorageType storageType,</span> |
| <span class="source-line-no">349</span><span id="line-349"> OpWriteBlockProto.Builder writeBlockProtoBuilder) throws IOException {</span> |
| <span class="source-line-no">350</span><span id="line-350"> OpWriteBlockProto proto =</span> |
| <span class="source-line-no">351</span><span id="line-351"> writeBlockProtoBuilder.setStorageType(PBHelperClient.convertStorageType(storageType)).build();</span> |
| <span class="source-line-no">352</span><span id="line-352"> int protoLen = proto.getSerializedSize();</span> |
| <span class="source-line-no">353</span><span id="line-353"> ByteBuf buffer =</span> |
| <span class="source-line-no">354</span><span id="line-354"> channel.alloc().buffer(3 + CodedOutputStream.computeUInt32SizeNoTag(protoLen) + protoLen);</span> |
| <span class="source-line-no">355</span><span id="line-355"> buffer.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION);</span> |
| <span class="source-line-no">356</span><span id="line-356"> buffer.writeByte(Op.WRITE_BLOCK.code);</span> |
| <span class="source-line-no">357</span><span id="line-357"> proto.writeDelimitedTo(new ByteBufOutputStream(buffer));</span> |
| <span class="source-line-no">358</span><span id="line-358"> safeWriteAndFlush(channel, buffer);</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"></span> |
| <span class="source-line-no">361</span><span id="line-361"> private static void initialize(Configuration conf, Channel channel, DatanodeInfo dnInfo,</span> |
| <span class="source-line-no">362</span><span id="line-362"> StorageType storageType, OpWriteBlockProto.Builder writeBlockProtoBuilder, int timeoutMs,</span> |
| <span class="source-line-no">363</span><span id="line-363"> DFSClient client, Token<BlockTokenIdentifier> accessToken, Promise<Channel> promise)</span> |
| <span class="source-line-no">364</span><span id="line-364"> throws IOException {</span> |
| <span class="source-line-no">365</span><span id="line-365"> Promise<Void> saslPromise = channel.eventLoop().newPromise();</span> |
| <span class="source-line-no">366</span><span id="line-366"> trySaslNegotiate(conf, channel, dnInfo, timeoutMs, client, accessToken, saslPromise);</span> |
| <span class="source-line-no">367</span><span id="line-367"> addListener(saslPromise, new FutureListener<Void>() {</span> |
| <span class="source-line-no">368</span><span id="line-368"></span> |
| <span class="source-line-no">369</span><span id="line-369"> @Override</span> |
| <span class="source-line-no">370</span><span id="line-370"> public void operationComplete(Future<Void> future) throws Exception {</span> |
| <span class="source-line-no">371</span><span id="line-371"> if (future.isSuccess()) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> // setup response processing pipeline first, then send request.</span> |
| <span class="source-line-no">373</span><span id="line-373"> processWriteBlockResponse(channel, dnInfo, promise, timeoutMs);</span> |
| <span class="source-line-no">374</span><span id="line-374"> requestWriteBlock(channel, storageType, writeBlockProtoBuilder);</span> |
| <span class="source-line-no">375</span><span id="line-375"> } else {</span> |
| <span class="source-line-no">376</span><span id="line-376"> promise.tryFailure(future.cause());</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</span> |
| <span class="source-line-no">378</span><span id="line-378"> }</span> |
| <span class="source-line-no">379</span><span id="line-379"> });</span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> private static List<Future<Channel>> connectToDataNodes(Configuration conf, DFSClient client,</span> |
| <span class="source-line-no">383</span><span id="line-383"> String clientName, LocatedBlock locatedBlock, long maxBytesRcvd, long latestGS,</span> |
| <span class="source-line-no">384</span><span id="line-384"> BlockConstructionStage stage, DataChecksum summer, EventLoopGroup eventLoopGroup,</span> |
| <span class="source-line-no">385</span><span id="line-385"> Class<? extends Channel> channelClass) {</span> |
| <span class="source-line-no">386</span><span id="line-386"> StorageType[] storageTypes = locatedBlock.getStorageTypes();</span> |
| <span class="source-line-no">387</span><span id="line-387"> DatanodeInfo[] datanodeInfos = getLocatedBlockLocations(locatedBlock);</span> |
| <span class="source-line-no">388</span><span id="line-388"> boolean connectToDnViaHostname =</span> |
| <span class="source-line-no">389</span><span id="line-389"> conf.getBoolean(DFS_CLIENT_USE_DN_HOSTNAME, DFS_CLIENT_USE_DN_HOSTNAME_DEFAULT);</span> |
| <span class="source-line-no">390</span><span id="line-390"> int timeoutMs = conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT);</span> |
| <span class="source-line-no">391</span><span id="line-391"> ExtendedBlock blockCopy = new ExtendedBlock(locatedBlock.getBlock());</span> |
| <span class="source-line-no">392</span><span id="line-392"> blockCopy.setNumBytes(locatedBlock.getBlockSize());</span> |
| <span class="source-line-no">393</span><span id="line-393"> ClientOperationHeaderProto header = ClientOperationHeaderProto.newBuilder()</span> |
| <span class="source-line-no">394</span><span id="line-394"> .setBaseHeader(BaseHeaderProto.newBuilder().setBlock(PBHelperClient.convert(blockCopy))</span> |
| <span class="source-line-no">395</span><span id="line-395"> .setToken(PBHelperClient.convert(locatedBlock.getBlockToken())))</span> |
| <span class="source-line-no">396</span><span id="line-396"> .setClientName(clientName).build();</span> |
| <span class="source-line-no">397</span><span id="line-397"> ChecksumProto checksumProto = DataTransferProtoUtil.toProto(summer);</span> |
| <span class="source-line-no">398</span><span id="line-398"> OpWriteBlockProto.Builder writeBlockProtoBuilder =</span> |
| <span class="source-line-no">399</span><span id="line-399"> OpWriteBlockProto.newBuilder().setHeader(header)</span> |
| <span class="source-line-no">400</span><span id="line-400"> .setStage(OpWriteBlockProto.BlockConstructionStage.valueOf(stage.name())).setPipelineSize(1)</span> |
| <span class="source-line-no">401</span><span id="line-401"> .setMinBytesRcvd(locatedBlock.getBlock().getNumBytes()).setMaxBytesRcvd(maxBytesRcvd)</span> |
| <span class="source-line-no">402</span><span id="line-402"> .setLatestGenerationStamp(latestGS).setRequestedChecksum(checksumProto)</span> |
| <span class="source-line-no">403</span><span id="line-403"> .setCachingStrategy(CachingStrategyProto.newBuilder().setDropBehind(true).build());</span> |
| <span class="source-line-no">404</span><span id="line-404"> List<Future<Channel>> futureList = new ArrayList<>(datanodeInfos.length);</span> |
| <span class="source-line-no">405</span><span id="line-405"> for (int i = 0; i < datanodeInfos.length; i++) {</span> |
| <span class="source-line-no">406</span><span id="line-406"> DatanodeInfo dnInfo = datanodeInfos[i];</span> |
| <span class="source-line-no">407</span><span id="line-407"> StorageType storageType = storageTypes[i];</span> |
| <span class="source-line-no">408</span><span id="line-408"> Promise<Channel> promise = eventLoopGroup.next().newPromise();</span> |
| <span class="source-line-no">409</span><span id="line-409"> futureList.add(promise);</span> |
| <span class="source-line-no">410</span><span id="line-410"> String dnAddr = dnInfo.getXferAddr(connectToDnViaHostname);</span> |
| <span class="source-line-no">411</span><span id="line-411"> addListener(new Bootstrap().group(eventLoopGroup).channel(channelClass)</span> |
| <span class="source-line-no">412</span><span id="line-412"> .option(CONNECT_TIMEOUT_MILLIS, timeoutMs).handler(new ChannelInitializer<Channel>() {</span> |
| <span class="source-line-no">413</span><span id="line-413"></span> |
| <span class="source-line-no">414</span><span id="line-414"> @Override</span> |
| <span class="source-line-no">415</span><span id="line-415"> protected void initChannel(Channel ch) throws Exception {</span> |
| <span class="source-line-no">416</span><span id="line-416"> // we need to get the remote address of the channel so we can only move on after</span> |
| <span class="source-line-no">417</span><span id="line-417"> // channel connected. Leave an empty implementation here because netty does not allow</span> |
| <span class="source-line-no">418</span><span id="line-418"> // a null handler.</span> |
| <span class="source-line-no">419</span><span id="line-419"> }</span> |
| <span class="source-line-no">420</span><span id="line-420"> }).connect(NetUtils.createSocketAddr(dnAddr)), new ChannelFutureListener() {</span> |
| <span class="source-line-no">421</span><span id="line-421"></span> |
| <span class="source-line-no">422</span><span id="line-422"> @Override</span> |
| <span class="source-line-no">423</span><span id="line-423"> public void operationComplete(ChannelFuture future) throws Exception {</span> |
| <span class="source-line-no">424</span><span id="line-424"> if (future.isSuccess()) {</span> |
| <span class="source-line-no">425</span><span id="line-425"> initialize(conf, future.channel(), dnInfo, storageType, writeBlockProtoBuilder,</span> |
| <span class="source-line-no">426</span><span id="line-426"> timeoutMs, client, locatedBlock.getBlockToken(), promise);</span> |
| <span class="source-line-no">427</span><span id="line-427"> } else {</span> |
| <span class="source-line-no">428</span><span id="line-428"> promise.tryFailure(future.cause());</span> |
| <span class="source-line-no">429</span><span id="line-429"> }</span> |
| <span class="source-line-no">430</span><span id="line-430"> }</span> |
| <span class="source-line-no">431</span><span id="line-431"> });</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> return futureList;</span> |
| <span class="source-line-no">434</span><span id="line-434"> }</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> /**</span> |
| <span class="source-line-no">437</span><span id="line-437"> * Exception other than RemoteException thrown when calling create on namenode</span> |
| <span class="source-line-no">438</span><span id="line-438"> */</span> |
| <span class="source-line-no">439</span><span id="line-439"> public static class NameNodeException extends IOException {</span> |
| <span class="source-line-no">440</span><span id="line-440"></span> |
| <span class="source-line-no">441</span><span id="line-441"> private static final long serialVersionUID = 3143237406477095390L;</span> |
| <span class="source-line-no">442</span><span id="line-442"></span> |
| <span class="source-line-no">443</span><span id="line-443"> public NameNodeException(Throwable cause) {</span> |
| <span class="source-line-no">444</span><span id="line-444"> super(cause);</span> |
| <span class="source-line-no">445</span><span id="line-445"> }</span> |
| <span class="source-line-no">446</span><span id="line-446"> }</span> |
| <span class="source-line-no">447</span><span id="line-447"></span> |
| <span class="source-line-no">448</span><span id="line-448"> private static EnumSetWritable<CreateFlag> getCreateFlags(boolean overwrite,</span> |
| <span class="source-line-no">449</span><span id="line-449"> boolean noLocalWrite) {</span> |
| <span class="source-line-no">450</span><span id="line-450"> List<CreateFlag> flags = new ArrayList<>();</span> |
| <span class="source-line-no">451</span><span id="line-451"> flags.add(CreateFlag.CREATE);</span> |
| <span class="source-line-no">452</span><span id="line-452"> if (overwrite) {</span> |
| <span class="source-line-no">453</span><span id="line-453"> flags.add(CreateFlag.OVERWRITE);</span> |
| <span class="source-line-no">454</span><span id="line-454"> }</span> |
| <span class="source-line-no">455</span><span id="line-455"> if (noLocalWrite) {</span> |
| <span class="source-line-no">456</span><span id="line-456"> flags.add(CreateFlag.NO_LOCAL_WRITE);</span> |
| <span class="source-line-no">457</span><span id="line-457"> }</span> |
| <span class="source-line-no">458</span><span id="line-458"> flags.add(CreateFlag.SHOULD_REPLICATE);</span> |
| <span class="source-line-no">459</span><span id="line-459"> return new EnumSetWritable<>(EnumSet.copyOf(flags));</span> |
| <span class="source-line-no">460</span><span id="line-460"> }</span> |
| <span class="source-line-no">461</span><span id="line-461"></span> |
| <span class="source-line-no">462</span><span id="line-462"> private static FanOutOneBlockAsyncDFSOutput createOutput(DistributedFileSystem dfs, String src,</span> |
| <span class="source-line-no">463</span><span id="line-463"> boolean overwrite, boolean createParent, short replication, long blockSize,</span> |
| <span class="source-line-no">464</span><span id="line-464"> EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass, StreamSlowMonitor monitor,</span> |
| <span class="source-line-no">465</span><span id="line-465"> boolean noLocalWrite) throws IOException {</span> |
| <span class="source-line-no">466</span><span id="line-466"> Configuration conf = dfs.getConf();</span> |
| <span class="source-line-no">467</span><span id="line-467"> DFSClient client = dfs.getClient();</span> |
| <span class="source-line-no">468</span><span id="line-468"> String clientName = client.getClientName();</span> |
| <span class="source-line-no">469</span><span id="line-469"> ClientProtocol namenode = client.getNamenode();</span> |
| <span class="source-line-no">470</span><span id="line-470"> int createMaxRetries =</span> |
| <span class="source-line-no">471</span><span id="line-471"> conf.getInt(ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES, DEFAULT_ASYNC_DFS_OUTPUT_CREATE_MAX_RETRIES);</span> |
| <span class="source-line-no">472</span><span id="line-472"> ExcludeDatanodeManager excludeDatanodeManager = monitor.getExcludeDatanodeManager();</span> |
| <span class="source-line-no">473</span><span id="line-473"> Set<DatanodeInfo> toExcludeNodes =</span> |
| <span class="source-line-no">474</span><span id="line-474"> new HashSet<>(excludeDatanodeManager.getExcludeDNs().keySet());</span> |
| <span class="source-line-no">475</span><span id="line-475"> for (int retry = 0;; retry++) {</span> |
| <span class="source-line-no">476</span><span id="line-476"> LOG.debug("When create output stream for {}, exclude list is {}, retry={}", src,</span> |
| <span class="source-line-no">477</span><span id="line-477"> toExcludeNodes, retry);</span> |
| <span class="source-line-no">478</span><span id="line-478"> HdfsFileStatus stat;</span> |
| <span class="source-line-no">479</span><span id="line-479"> try {</span> |
| <span class="source-line-no">480</span><span id="line-480"> stat = FILE_CREATOR.create(namenode, src,</span> |
| <span class="source-line-no">481</span><span id="line-481"> FsPermission.getFileDefault().applyUMask(FsPermission.getUMask(conf)), clientName,</span> |
| <span class="source-line-no">482</span><span id="line-482"> getCreateFlags(overwrite, noLocalWrite), createParent, replication, blockSize,</span> |
| <span class="source-line-no">483</span><span id="line-483"> CryptoProtocolVersion.supported());</span> |
| <span class="source-line-no">484</span><span id="line-484"> } catch (Exception e) {</span> |
| <span class="source-line-no">485</span><span id="line-485"> if (e instanceof RemoteException) {</span> |
| <span class="source-line-no">486</span><span id="line-486"> throw (RemoteException) e;</span> |
| <span class="source-line-no">487</span><span id="line-487"> } else {</span> |
| <span class="source-line-no">488</span><span id="line-488"> throw new NameNodeException(e);</span> |
| <span class="source-line-no">489</span><span id="line-489"> }</span> |
| <span class="source-line-no">490</span><span id="line-490"> }</span> |
| <span class="source-line-no">491</span><span id="line-491"> beginFileLease(client, stat.getFileId());</span> |
| <span class="source-line-no">492</span><span id="line-492"> boolean succ = false;</span> |
| <span class="source-line-no">493</span><span id="line-493"> LocatedBlock locatedBlock = null;</span> |
| <span class="source-line-no">494</span><span id="line-494"> List<Future<Channel>> futureList = null;</span> |
| <span class="source-line-no">495</span><span id="line-495"> try {</span> |
| <span class="source-line-no">496</span><span id="line-496"> DataChecksum summer = createChecksum(client);</span> |
| <span class="source-line-no">497</span><span id="line-497"> locatedBlock = namenode.addBlock(src, client.getClientName(), null,</span> |
| <span class="source-line-no">498</span><span id="line-498"> toExcludeNodes.toArray(new DatanodeInfo[0]), stat.getFileId(), null, null);</span> |
| <span class="source-line-no">499</span><span id="line-499"> Map<Channel, DatanodeInfo> datanodes = new IdentityHashMap<>();</span> |
| <span class="source-line-no">500</span><span id="line-500"> futureList = connectToDataNodes(conf, client, clientName, locatedBlock, 0L, 0L,</span> |
| <span class="source-line-no">501</span><span id="line-501"> PIPELINE_SETUP_CREATE, summer, eventLoopGroup, channelClass);</span> |
| <span class="source-line-no">502</span><span id="line-502"> for (int i = 0, n = futureList.size(); i < n; i++) {</span> |
| <span class="source-line-no">503</span><span id="line-503"> DatanodeInfo datanodeInfo = getLocatedBlockLocations(locatedBlock)[i];</span> |
| <span class="source-line-no">504</span><span id="line-504"> try {</span> |
| <span class="source-line-no">505</span><span id="line-505"> datanodes.put(futureList.get(i).syncUninterruptibly().getNow(), datanodeInfo);</span> |
| <span class="source-line-no">506</span><span id="line-506"> } catch (Exception e) {</span> |
| <span class="source-line-no">507</span><span id="line-507"> // exclude the broken DN next time</span> |
| <span class="source-line-no">508</span><span id="line-508"> toExcludeNodes.add(datanodeInfo);</span> |
| <span class="source-line-no">509</span><span id="line-509"> excludeDatanodeManager.tryAddExcludeDN(datanodeInfo, "connect error");</span> |
| <span class="source-line-no">510</span><span id="line-510"> throw e;</span> |
| <span class="source-line-no">511</span><span id="line-511"> }</span> |
| <span class="source-line-no">512</span><span id="line-512"> }</span> |
| <span class="source-line-no">513</span><span id="line-513"> Encryptor encryptor = createEncryptor(conf, stat, client);</span> |
| <span class="source-line-no">514</span><span id="line-514"> FanOutOneBlockAsyncDFSOutput output =</span> |
| <span class="source-line-no">515</span><span id="line-515"> new FanOutOneBlockAsyncDFSOutput(conf, dfs, client, namenode, clientName, src,</span> |
| <span class="source-line-no">516</span><span id="line-516"> stat.getFileId(), locatedBlock, encryptor, datanodes, summer, ALLOC, monitor);</span> |
| <span class="source-line-no">517</span><span id="line-517"> succ = true;</span> |
| <span class="source-line-no">518</span><span id="line-518"> return output;</span> |
| <span class="source-line-no">519</span><span id="line-519"> } catch (RemoteException e) {</span> |
| <span class="source-line-no">520</span><span id="line-520"> LOG.warn("create fan-out dfs output {} failed, retry = {}", src, retry, e);</span> |
| <span class="source-line-no">521</span><span id="line-521"> if (shouldRetryCreate(e)) {</span> |
| <span class="source-line-no">522</span><span id="line-522"> if (retry >= createMaxRetries) {</span> |
| <span class="source-line-no">523</span><span id="line-523"> throw e.unwrapRemoteException();</span> |
| <span class="source-line-no">524</span><span id="line-524"> }</span> |
| <span class="source-line-no">525</span><span id="line-525"> } else {</span> |
| <span class="source-line-no">526</span><span id="line-526"> throw e.unwrapRemoteException();</span> |
| <span class="source-line-no">527</span><span id="line-527"> }</span> |
| <span class="source-line-no">528</span><span id="line-528"> } catch (IOException e) {</span> |
| <span class="source-line-no">529</span><span id="line-529"> LOG.warn("create fan-out dfs output {} failed, retry = {}", src, retry, e);</span> |
| <span class="source-line-no">530</span><span id="line-530"> if (retry >= createMaxRetries) {</span> |
| <span class="source-line-no">531</span><span id="line-531"> throw e;</span> |
| <span class="source-line-no">532</span><span id="line-532"> }</span> |
| <span class="source-line-no">533</span><span id="line-533"> // overwrite the old broken file.</span> |
| <span class="source-line-no">534</span><span id="line-534"> overwrite = true;</span> |
| <span class="source-line-no">535</span><span id="line-535"> try {</span> |
| <span class="source-line-no">536</span><span id="line-536"> Thread.sleep(ConnectionUtils.getPauseTime(100, retry));</span> |
| <span class="source-line-no">537</span><span id="line-537"> } catch (InterruptedException ie) {</span> |
| <span class="source-line-no">538</span><span id="line-538"> throw new InterruptedIOException();</span> |
| <span class="source-line-no">539</span><span id="line-539"> }</span> |
| <span class="source-line-no">540</span><span id="line-540"> } finally {</span> |
| <span class="source-line-no">541</span><span id="line-541"> if (!succ) {</span> |
| <span class="source-line-no">542</span><span id="line-542"> if (futureList != null) {</span> |
| <span class="source-line-no">543</span><span id="line-543"> for (Future<Channel> f : futureList) {</span> |
| <span class="source-line-no">544</span><span id="line-544"> addListener(f, new FutureListener<Channel>() {</span> |
| <span class="source-line-no">545</span><span id="line-545"></span> |
| <span class="source-line-no">546</span><span id="line-546"> @Override</span> |
| <span class="source-line-no">547</span><span id="line-547"> public void operationComplete(Future<Channel> future) throws Exception {</span> |
| <span class="source-line-no">548</span><span id="line-548"> if (future.isSuccess()) {</span> |
| <span class="source-line-no">549</span><span id="line-549"> safeClose(future.getNow());</span> |
| <span class="source-line-no">550</span><span id="line-550"> }</span> |
| <span class="source-line-no">551</span><span id="line-551"> }</span> |
| <span class="source-line-no">552</span><span id="line-552"> });</span> |
| <span class="source-line-no">553</span><span id="line-553"> }</span> |
| <span class="source-line-no">554</span><span id="line-554"> }</span> |
| <span class="source-line-no">555</span><span id="line-555"> endFileLease(client, stat.getFileId());</span> |
| <span class="source-line-no">556</span><span id="line-556"> }</span> |
| <span class="source-line-no">557</span><span id="line-557"> }</span> |
| <span class="source-line-no">558</span><span id="line-558"> }</span> |
| <span class="source-line-no">559</span><span id="line-559"> }</span> |
| <span class="source-line-no">560</span><span id="line-560"></span> |
| <span class="source-line-no">561</span><span id="line-561"> /**</span> |
| <span class="source-line-no">562</span><span id="line-562"> * Create a {@link FanOutOneBlockAsyncDFSOutput}. The method maybe blocked so do not call it</span> |
| <span class="source-line-no">563</span><span id="line-563"> * inside an {@link EventLoop}.</span> |
| <span class="source-line-no">564</span><span id="line-564"> */</span> |
| <span class="source-line-no">565</span><span id="line-565"> public static FanOutOneBlockAsyncDFSOutput createOutput(DistributedFileSystem dfs, Path f,</span> |
| <span class="source-line-no">566</span><span id="line-566"> boolean overwrite, boolean createParent, short replication, long blockSize,</span> |
| <span class="source-line-no">567</span><span id="line-567"> EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass,</span> |
| <span class="source-line-no">568</span><span id="line-568"> final StreamSlowMonitor monitor, boolean noLocalWrite) throws IOException {</span> |
| <span class="source-line-no">569</span><span id="line-569"> return new FileSystemLinkResolver<FanOutOneBlockAsyncDFSOutput>() {</span> |
| <span class="source-line-no">570</span><span id="line-570"></span> |
| <span class="source-line-no">571</span><span id="line-571"> @Override</span> |
| <span class="source-line-no">572</span><span id="line-572"> public FanOutOneBlockAsyncDFSOutput doCall(Path p)</span> |
| <span class="source-line-no">573</span><span id="line-573"> throws IOException, UnresolvedLinkException {</span> |
| <span class="source-line-no">574</span><span id="line-574"> return createOutput(dfs, p.toUri().getPath(), overwrite, createParent, replication,</span> |
| <span class="source-line-no">575</span><span id="line-575"> blockSize, eventLoopGroup, channelClass, monitor, noLocalWrite);</span> |
| <span class="source-line-no">576</span><span id="line-576"> }</span> |
| <span class="source-line-no">577</span><span id="line-577"></span> |
| <span class="source-line-no">578</span><span id="line-578"> @Override</span> |
| <span class="source-line-no">579</span><span id="line-579"> public FanOutOneBlockAsyncDFSOutput next(FileSystem fs, Path p) throws IOException {</span> |
| <span class="source-line-no">580</span><span id="line-580"> throw new UnsupportedOperationException();</span> |
| <span class="source-line-no">581</span><span id="line-581"> }</span> |
| <span class="source-line-no">582</span><span id="line-582"> }.resolve(dfs, f);</span> |
| <span class="source-line-no">583</span><span id="line-583"> }</span> |
| <span class="source-line-no">584</span><span id="line-584"></span> |
| <span class="source-line-no">585</span><span id="line-585"> public static boolean shouldRetryCreate(RemoteException e) {</span> |
| <span class="source-line-no">586</span><span id="line-586"> // RetryStartFileException is introduced in HDFS 2.6+, so here we can only use the class name.</span> |
| <span class="source-line-no">587</span><span id="line-587"> // For exceptions other than this, we just throw it out. This is same with</span> |
| <span class="source-line-no">588</span><span id="line-588"> // DFSOutputStream.newStreamForCreate.</span> |
| <span class="source-line-no">589</span><span id="line-589"> return e.getClassName().endsWith("RetryStartFileException");</span> |
| <span class="source-line-no">590</span><span id="line-590"> }</span> |
| <span class="source-line-no">591</span><span id="line-591"></span> |
| <span class="source-line-no">592</span><span id="line-592"> static void completeFile(DFSClient client, ClientProtocol namenode, String src, String clientName,</span> |
| <span class="source-line-no">593</span><span id="line-593"> ExtendedBlock block, long fileId) {</span> |
| <span class="source-line-no">594</span><span id="line-594"> for (int retry = 0;; retry++) {</span> |
| <span class="source-line-no">595</span><span id="line-595"> try {</span> |
| <span class="source-line-no">596</span><span id="line-596"> if (namenode.complete(src, clientName, block, fileId)) {</span> |
| <span class="source-line-no">597</span><span id="line-597"> endFileLease(client, fileId);</span> |
| <span class="source-line-no">598</span><span id="line-598"> return;</span> |
| <span class="source-line-no">599</span><span id="line-599"> } else {</span> |
| <span class="source-line-no">600</span><span id="line-600"> LOG.warn("complete file " + src + " not finished, retry = " + retry);</span> |
| <span class="source-line-no">601</span><span id="line-601"> }</span> |
| <span class="source-line-no">602</span><span id="line-602"> } catch (RemoteException e) {</span> |
| <span class="source-line-no">603</span><span id="line-603"> IOException ioe = e.unwrapRemoteException();</span> |
| <span class="source-line-no">604</span><span id="line-604"> if (ioe instanceof LeaseExpiredException) {</span> |
| <span class="source-line-no">605</span><span id="line-605"> LOG.warn("lease for file " + src + " is expired, give up", e);</span> |
| <span class="source-line-no">606</span><span id="line-606"> return;</span> |
| <span class="source-line-no">607</span><span id="line-607"> } else {</span> |
| <span class="source-line-no">608</span><span id="line-608"> LOG.warn("complete file " + src + " failed, retry = " + retry, e);</span> |
| <span class="source-line-no">609</span><span id="line-609"> }</span> |
| <span class="source-line-no">610</span><span id="line-610"> } catch (Exception e) {</span> |
| <span class="source-line-no">611</span><span id="line-611"> LOG.warn("complete file " + src + " failed, retry = " + retry, e);</span> |
| <span class="source-line-no">612</span><span id="line-612"> }</span> |
| <span class="source-line-no">613</span><span id="line-613"> sleepIgnoreInterrupt(retry);</span> |
| <span class="source-line-no">614</span><span id="line-614"> }</span> |
| <span class="source-line-no">615</span><span id="line-615"> }</span> |
| <span class="source-line-no">616</span><span id="line-616"></span> |
| <span class="source-line-no">617</span><span id="line-617"> static void sleepIgnoreInterrupt(int retry) {</span> |
| <span class="source-line-no">618</span><span id="line-618"> try {</span> |
| <span class="source-line-no">619</span><span id="line-619"> Thread.sleep(ConnectionUtils.getPauseTime(100, retry));</span> |
| <span class="source-line-no">620</span><span id="line-620"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">621</span><span id="line-621"> }</span> |
| <span class="source-line-no">622</span><span id="line-622"> }</span> |
| <span class="source-line-no">623</span><span id="line-623">}</span> |
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| </div> |
| </main> |
| </body> |
| </html> |
