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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 static org.apache.hadoop.hbase.ipc.IPCUtil.toIOE;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.ipc.IPCUtil.wrapException;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import com.google.errorprone.annotations.RestrictedApi;</span> |
| <span class="source-line-no">024</span><span id="line-24">import io.opentelemetry.api.trace.Span;</span> |
| <span class="source-line-no">025</span><span id="line-25">import io.opentelemetry.api.trace.StatusCode;</span> |
| <span class="source-line-no">026</span><span id="line-26">import io.opentelemetry.context.Scope;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.io.IOException;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.net.SocketAddress;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Collection;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Map;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.Executors;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.ScheduledExecutorService;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.ScheduledFuture;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.MetricsConnection;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.trace.IpcClientSpanBuilder;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.codec.Codec;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.codec.KeyValueCodec;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.net.Address;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.security.User;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.security.UserProvider;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.trace.TraceUtil;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.PoolMap;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.io.compress.CompressionCodec;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.ipc.RemoteException;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.slf4j.Logger;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hbase.thirdparty.com.google.common.cache.CacheLoader;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hbase.thirdparty.com.google.protobuf.Message;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hbase.thirdparty.com.google.protobuf.RpcChannel;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70">import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72">/**</span> |
| <span class="source-line-no">073</span><span id="line-73"> * Provides the basics for a RpcClient implementation like configuration and Logging.</span> |
| <span class="source-line-no">074</span><span id="line-74"> * <p></span> |
| <span class="source-line-no">075</span><span id="line-75"> * Locking schema of the current IPC implementation</span> |
| <span class="source-line-no">076</span><span id="line-76"> * <ul></span> |
| <span class="source-line-no">077</span><span id="line-77"> * <li>There is a lock in {@link AbstractRpcClient} to protect the fetching or creating</span> |
| <span class="source-line-no">078</span><span id="line-78"> * connection.</li></span> |
| <span class="source-line-no">079</span><span id="line-79"> * <li>There is a lock in {@link Call} to make sure that we can only finish the call once.</li></span> |
| <span class="source-line-no">080</span><span id="line-80"> * <li>The same for {@link HBaseRpcController} as {@link Call}. And see the comment of</span> |
| <span class="source-line-no">081</span><span id="line-81"> * {@link HBaseRpcController#notifyOnCancel(RpcCallback, HBaseRpcController.CancellationCallback)}</span> |
| <span class="source-line-no">082</span><span id="line-82"> * of how to deal with cancel.</li></span> |
| <span class="source-line-no">083</span><span id="line-83"> * <li>For connection implementation, the construction of a connection should be as fast as possible</span> |
| <span class="source-line-no">084</span><span id="line-84"> * because the creation is protected under a lock. Connect to remote side when needed. There is no</span> |
| <span class="source-line-no">085</span><span id="line-85"> * forced locking schema for a connection implementation.</li></span> |
| <span class="source-line-no">086</span><span id="line-86"> * <li>For the locking order, the {@link Call} and {@link HBaseRpcController}'s lock should be held</span> |
| <span class="source-line-no">087</span><span id="line-87"> * at last. So the callbacks in {@link Call} and {@link HBaseRpcController} should be execute</span> |
| <span class="source-line-no">088</span><span id="line-88"> * outside the lock in {@link Call} and {@link HBaseRpcController} which means the implementations</span> |
| <span class="source-line-no">089</span><span id="line-89"> * of the callbacks are free to hold any lock.</li></span> |
| <span class="source-line-no">090</span><span id="line-90"> * </ul></span> |
| <span class="source-line-no">091</span><span id="line-91"> * @since 2.0.0</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93">@InterfaceAudience.Private</span> |
| <span class="source-line-no">094</span><span id="line-94">public abstract class AbstractRpcClient<T extends RpcConnection> implements RpcClient {</span> |
| <span class="source-line-no">095</span><span id="line-95"> // Log level is being changed in tests</span> |
| <span class="source-line-no">096</span><span id="line-96"> public static final Logger LOG = LoggerFactory.getLogger(AbstractRpcClient.class);</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> protected static final HashedWheelTimer WHEEL_TIMER = new HashedWheelTimer(</span> |
| <span class="source-line-no">099</span><span id="line-99"> new ThreadFactoryBuilder().setNameFormat("RpcClient-timer-pool-%d").setDaemon(true)</span> |
| <span class="source-line-no">100</span><span id="line-100"> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build(),</span> |
| <span class="source-line-no">101</span><span id="line-101"> 10, TimeUnit.MILLISECONDS);</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> private static final ScheduledExecutorService IDLE_CONN_SWEEPER =</span> |
| <span class="source-line-no">104</span><span id="line-104"> Executors.newScheduledThreadPool(1,</span> |
| <span class="source-line-no">105</span><span id="line-105"> new ThreadFactoryBuilder().setNameFormat("Idle-Rpc-Conn-Sweeper-pool-%d").setDaemon(true)</span> |
| <span class="source-line-no">106</span><span id="line-106"> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> private boolean running = true; // if client runs</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> protected final Configuration conf;</span> |
| <span class="source-line-no">111</span><span id="line-111"> protected final Map<String, byte[]> connectionAttributes;</span> |
| <span class="source-line-no">112</span><span id="line-112"> protected final String clusterId;</span> |
| <span class="source-line-no">113</span><span id="line-113"> protected final SocketAddress localAddr;</span> |
| <span class="source-line-no">114</span><span id="line-114"> protected final MetricsConnection metrics;</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> protected final UserProvider userProvider;</span> |
| <span class="source-line-no">117</span><span id="line-117"> protected final CellBlockBuilder cellBlockBuilder;</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> protected final int minIdleTimeBeforeClose; // if the connection is idle for more than this</span> |
| <span class="source-line-no">120</span><span id="line-120"> // time (in ms), it will be closed at any moment.</span> |
| <span class="source-line-no">121</span><span id="line-121"> protected final int maxRetries; // the max. no. of retries for socket connections</span> |
| <span class="source-line-no">122</span><span id="line-122"> protected final long failureSleep; // Time to sleep before retry on failure.</span> |
| <span class="source-line-no">123</span><span id="line-123"> protected final boolean tcpNoDelay; // if T then disable Nagle's Algorithm</span> |
| <span class="source-line-no">124</span><span id="line-124"> protected final boolean tcpKeepAlive; // if T then use keepalives</span> |
| <span class="source-line-no">125</span><span id="line-125"> protected final Codec codec;</span> |
| <span class="source-line-no">126</span><span id="line-126"> protected final CompressionCodec compressor;</span> |
| <span class="source-line-no">127</span><span id="line-127"> protected final boolean fallbackAllowed;</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> protected final FailedServers failedServers;</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> protected final int connectTO;</span> |
| <span class="source-line-no">132</span><span id="line-132"> protected final int readTO;</span> |
| <span class="source-line-no">133</span><span id="line-133"> protected final int writeTO;</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> private final PoolMap<ConnectionId, T> connections;</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> private final AtomicInteger callIdCnt = new AtomicInteger(0);</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> private final ScheduledFuture<?> cleanupIdleConnectionTask;</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> private int maxConcurrentCallsPerServer;</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> private static final LoadingCache<Address, AtomicInteger> concurrentCounterCache =</span> |
| <span class="source-line-no">144</span><span id="line-144"> CacheBuilder.newBuilder().expireAfterAccess(1, TimeUnit.HOURS)</span> |
| <span class="source-line-no">145</span><span id="line-145"> .build(new CacheLoader<Address, AtomicInteger>() {</span> |
| <span class="source-line-no">146</span><span id="line-146"> @Override</span> |
| <span class="source-line-no">147</span><span id="line-147"> public AtomicInteger load(Address key) throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"> return new AtomicInteger(0);</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"> });</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> /**</span> |
| <span class="source-line-no">153</span><span id="line-153"> * Construct an IPC client for the cluster <code>clusterId</code></span> |
| <span class="source-line-no">154</span><span id="line-154"> * @param conf configuration</span> |
| <span class="source-line-no">155</span><span id="line-155"> * @param clusterId the cluster id</span> |
| <span class="source-line-no">156</span><span id="line-156"> * @param localAddr client socket bind address.</span> |
| <span class="source-line-no">157</span><span id="line-157"> * @param metrics the connection metrics</span> |
| <span class="source-line-no">158</span><span id="line-158"> */</span> |
| <span class="source-line-no">159</span><span id="line-159"> public AbstractRpcClient(Configuration conf, String clusterId, SocketAddress localAddr,</span> |
| <span class="source-line-no">160</span><span id="line-160"> MetricsConnection metrics, Map<String, byte[]> connectionAttributes) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> this.userProvider = UserProvider.instantiate(conf);</span> |
| <span class="source-line-no">162</span><span id="line-162"> this.localAddr = localAddr;</span> |
| <span class="source-line-no">163</span><span id="line-163"> this.tcpKeepAlive = conf.getBoolean("hbase.ipc.client.tcpkeepalive", true);</span> |
| <span class="source-line-no">164</span><span id="line-164"> this.clusterId = clusterId != null ? clusterId : HConstants.CLUSTER_ID_DEFAULT;</span> |
| <span class="source-line-no">165</span><span id="line-165"> this.failureSleep =</span> |
| <span class="source-line-no">166</span><span id="line-166"> conf.getLong(HConstants.HBASE_CLIENT_PAUSE, HConstants.DEFAULT_HBASE_CLIENT_PAUSE);</span> |
| <span class="source-line-no">167</span><span id="line-167"> this.maxRetries = conf.getInt("hbase.ipc.client.connect.max.retries", 0);</span> |
| <span class="source-line-no">168</span><span id="line-168"> this.tcpNoDelay = conf.getBoolean("hbase.ipc.client.tcpnodelay", true);</span> |
| <span class="source-line-no">169</span><span id="line-169"> this.cellBlockBuilder = new CellBlockBuilder(conf);</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> this.minIdleTimeBeforeClose = conf.getInt(IDLE_TIME, 120000); // 2 minutes</span> |
| <span class="source-line-no">172</span><span id="line-172"> this.conf = conf;</span> |
| <span class="source-line-no">173</span><span id="line-173"> this.connectionAttributes = connectionAttributes;</span> |
| <span class="source-line-no">174</span><span id="line-174"> this.codec = getCodec();</span> |
| <span class="source-line-no">175</span><span id="line-175"> this.compressor = getCompressor(conf);</span> |
| <span class="source-line-no">176</span><span id="line-176"> this.fallbackAllowed = conf.getBoolean(IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY,</span> |
| <span class="source-line-no">177</span><span id="line-177"> IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT);</span> |
| <span class="source-line-no">178</span><span id="line-178"> this.failedServers = new FailedServers(conf);</span> |
| <span class="source-line-no">179</span><span id="line-179"> this.connectTO = conf.getInt(SOCKET_TIMEOUT_CONNECT, DEFAULT_SOCKET_TIMEOUT_CONNECT);</span> |
| <span class="source-line-no">180</span><span id="line-180"> this.readTO = conf.getInt(SOCKET_TIMEOUT_READ, DEFAULT_SOCKET_TIMEOUT_READ);</span> |
| <span class="source-line-no">181</span><span id="line-181"> this.writeTO = conf.getInt(SOCKET_TIMEOUT_WRITE, DEFAULT_SOCKET_TIMEOUT_WRITE);</span> |
| <span class="source-line-no">182</span><span id="line-182"> this.metrics = metrics;</span> |
| <span class="source-line-no">183</span><span id="line-183"> this.maxConcurrentCallsPerServer =</span> |
| <span class="source-line-no">184</span><span id="line-184"> conf.getInt(HConstants.HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD,</span> |
| <span class="source-line-no">185</span><span id="line-185"> HConstants.DEFAULT_HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD);</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> this.connections = new PoolMap<>(getPoolType(conf), getPoolSize(conf));</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> this.cleanupIdleConnectionTask = IDLE_CONN_SWEEPER.scheduleAtFixedRate(new Runnable() {</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> @Override</span> |
| <span class="source-line-no">192</span><span id="line-192"> public void run() {</span> |
| <span class="source-line-no">193</span><span id="line-193"> cleanupIdleConnections();</span> |
| <span class="source-line-no">194</span><span id="line-194"> }</span> |
| <span class="source-line-no">195</span><span id="line-195"> }, minIdleTimeBeforeClose, minIdleTimeBeforeClose, TimeUnit.MILLISECONDS);</span> |
| <span class="source-line-no">196</span><span id="line-196"></span> |
| <span class="source-line-no">197</span><span id="line-197"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">198</span><span id="line-198"> LOG.debug("Codec=" + this.codec + ", compressor=" + this.compressor + ", tcpKeepAlive="</span> |
| <span class="source-line-no">199</span><span id="line-199"> + this.tcpKeepAlive + ", tcpNoDelay=" + this.tcpNoDelay + ", connectTO=" + this.connectTO</span> |
| <span class="source-line-no">200</span><span id="line-200"> + ", readTO=" + this.readTO + ", writeTO=" + this.writeTO + ", minIdleTimeBeforeClose="</span> |
| <span class="source-line-no">201</span><span id="line-201"> + this.minIdleTimeBeforeClose + ", maxRetries=" + this.maxRetries + ", fallbackAllowed="</span> |
| <span class="source-line-no">202</span><span id="line-202"> + this.fallbackAllowed + ", bind address="</span> |
| <span class="source-line-no">203</span><span id="line-203"> + (this.localAddr != null ? this.localAddr : "null"));</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> }</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> private void cleanupIdleConnections() {</span> |
| <span class="source-line-no">208</span><span id="line-208"> long closeBeforeTime = EnvironmentEdgeManager.currentTime() - minIdleTimeBeforeClose;</span> |
| <span class="source-line-no">209</span><span id="line-209"> synchronized (connections) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> for (T conn : connections.values()) {</span> |
| <span class="source-line-no">211</span><span id="line-211"> // Remove connection if it has not been chosen by anyone for more than maxIdleTime, and the</span> |
| <span class="source-line-no">212</span><span id="line-212"> // connection itself has already shutdown. The latter check is because we may still</span> |
| <span class="source-line-no">213</span><span id="line-213"> // have some pending calls on connection, so we should not shut down the connection outside.</span> |
| <span class="source-line-no">214</span><span id="line-214"> // The connection itself will disconnect if there is no pending call for maxIdleTime.</span> |
| <span class="source-line-no">215</span><span id="line-215"> if (conn.getLastTouched() < closeBeforeTime && !conn.isActive()) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> if (LOG.isTraceEnabled()) {</span> |
| <span class="source-line-no">217</span><span id="line-217"> LOG.trace("Cleanup idle connection to {}", conn.remoteId().getAddress());</span> |
| <span class="source-line-no">218</span><span id="line-218"> }</span> |
| <span class="source-line-no">219</span><span id="line-219"> connections.remove(conn.remoteId(), conn);</span> |
| <span class="source-line-no">220</span><span id="line-220"> conn.cleanupConnection();</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</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"></span> |
| <span class="source-line-no">226</span><span id="line-226"> public static String getDefaultCodec(final Configuration c) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> // If "hbase.client.default.rpc.codec" is empty string -- you can't set it to null because</span> |
| <span class="source-line-no">228</span><span id="line-228"> // Configuration will complain -- then no default codec (and we'll pb everything). Else</span> |
| <span class="source-line-no">229</span><span id="line-229"> // default is KeyValueCodec</span> |
| <span class="source-line-no">230</span><span id="line-230"> return c.get(DEFAULT_CODEC_CLASS, KeyValueCodec.class.getCanonicalName());</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> /**</span> |
| <span class="source-line-no">234</span><span id="line-234"> * Encapsulate the ugly casting and RuntimeException conversion in private method.</span> |
| <span class="source-line-no">235</span><span id="line-235"> * @return Codec to use on this client.</span> |
| <span class="source-line-no">236</span><span id="line-236"> */</span> |
| <span class="source-line-no">237</span><span id="line-237"> protected Codec getCodec() {</span> |
| <span class="source-line-no">238</span><span id="line-238"> // For NO CODEC, "hbase.client.rpc.codec" must be configured with empty string AND</span> |
| <span class="source-line-no">239</span><span id="line-239"> // "hbase.client.default.rpc.codec" also -- because default is to do cell block encoding.</span> |
| <span class="source-line-no">240</span><span id="line-240"> String className = conf.get(HConstants.RPC_CODEC_CONF_KEY, getDefaultCodec(this.conf));</span> |
| <span class="source-line-no">241</span><span id="line-241"> if (className == null || className.length() == 0) {</span> |
| <span class="source-line-no">242</span><span id="line-242"> return null;</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> try {</span> |
| <span class="source-line-no">245</span><span id="line-245"> return Class.forName(className).asSubclass(Codec.class).getDeclaredConstructor()</span> |
| <span class="source-line-no">246</span><span id="line-246"> .newInstance();</span> |
| <span class="source-line-no">247</span><span id="line-247"> } catch (Exception e) {</span> |
| <span class="source-line-no">248</span><span id="line-248"> throw new RuntimeException("Failed getting codec " + className, e);</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> }</span> |
| <span class="source-line-no">251</span><span id="line-251"></span> |
| <span class="source-line-no">252</span><span id="line-252"> @Override</span> |
| <span class="source-line-no">253</span><span id="line-253"> public boolean hasCellBlockSupport() {</span> |
| <span class="source-line-no">254</span><span id="line-254"> return this.codec != null;</span> |
| <span class="source-line-no">255</span><span id="line-255"> }</span> |
| <span class="source-line-no">256</span><span id="line-256"></span> |
| <span class="source-line-no">257</span><span id="line-257"> // for writing tests that want to throw exception when connecting.</span> |
| <span class="source-line-no">258</span><span id="line-258"> protected boolean isTcpNoDelay() {</span> |
| <span class="source-line-no">259</span><span id="line-259"> return tcpNoDelay;</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"> * Encapsulate the ugly casting and RuntimeException conversion in private method.</span> |
| <span class="source-line-no">264</span><span id="line-264"> * @param conf configuration</span> |
| <span class="source-line-no">265</span><span id="line-265"> * @return The compressor to use on this client.</span> |
| <span class="source-line-no">266</span><span id="line-266"> */</span> |
| <span class="source-line-no">267</span><span id="line-267"> private static CompressionCodec getCompressor(final Configuration conf) {</span> |
| <span class="source-line-no">268</span><span id="line-268"> String className = conf.get("hbase.client.rpc.compressor", null);</span> |
| <span class="source-line-no">269</span><span id="line-269"> if (className == null || className.isEmpty()) {</span> |
| <span class="source-line-no">270</span><span id="line-270"> return null;</span> |
| <span class="source-line-no">271</span><span id="line-271"> }</span> |
| <span class="source-line-no">272</span><span id="line-272"> try {</span> |
| <span class="source-line-no">273</span><span id="line-273"> return Class.forName(className).asSubclass(CompressionCodec.class).getDeclaredConstructor()</span> |
| <span class="source-line-no">274</span><span id="line-274"> .newInstance();</span> |
| <span class="source-line-no">275</span><span id="line-275"> } catch (Exception e) {</span> |
| <span class="source-line-no">276</span><span id="line-276"> throw new RuntimeException("Failed getting compressor " + className, e);</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"> }</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> /**</span> |
| <span class="source-line-no">281</span><span id="line-281"> * Return the pool type specified in the configuration, which must be set to either</span> |
| <span class="source-line-no">282</span><span id="line-282"> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin} or</span> |
| <span class="source-line-no">283</span><span id="line-283"> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#ThreadLocal}, otherwise default to the</span> |
| <span class="source-line-no">284</span><span id="line-284"> * former. For applications with many user threads, use a small round-robin pool. For applications</span> |
| <span class="source-line-no">285</span><span id="line-285"> * with few user threads, you may want to try using a thread-local pool. In any case, the number</span> |
| <span class="source-line-no">286</span><span id="line-286"> * of {@link org.apache.hadoop.hbase.ipc.RpcClient} instances should not exceed the operating</span> |
| <span class="source-line-no">287</span><span id="line-287"> * system's hard limit on the number of connections.</span> |
| <span class="source-line-no">288</span><span id="line-288"> * @param config configuration</span> |
| <span class="source-line-no">289</span><span id="line-289"> * @return either a {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin} or</span> |
| <span class="source-line-no">290</span><span id="line-290"> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#ThreadLocal}</span> |
| <span class="source-line-no">291</span><span id="line-291"> */</span> |
| <span class="source-line-no">292</span><span id="line-292"> private static PoolMap.PoolType getPoolType(Configuration config) {</span> |
| <span class="source-line-no">293</span><span id="line-293"> return PoolMap.PoolType.valueOf(config.get(HConstants.HBASE_CLIENT_IPC_POOL_TYPE),</span> |
| <span class="source-line-no">294</span><span id="line-294"> PoolMap.PoolType.RoundRobin);</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"> * Return the pool size specified in the configuration, which is applicable only if the pool type</span> |
| <span class="source-line-no">299</span><span id="line-299"> * is {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin}.</span> |
| <span class="source-line-no">300</span><span id="line-300"> * @param config configuration</span> |
| <span class="source-line-no">301</span><span id="line-301"> * @return the maximum pool size</span> |
| <span class="source-line-no">302</span><span id="line-302"> */</span> |
| <span class="source-line-no">303</span><span id="line-303"> private static int getPoolSize(Configuration config) {</span> |
| <span class="source-line-no">304</span><span id="line-304"> int poolSize = config.getInt(HConstants.HBASE_CLIENT_IPC_POOL_SIZE, 1);</span> |
| <span class="source-line-no">305</span><span id="line-305"></span> |
| <span class="source-line-no">306</span><span id="line-306"> if (poolSize <= 0) {</span> |
| <span class="source-line-no">307</span><span id="line-307"> LOG.warn("{} must be positive. Using default value: 1",</span> |
| <span class="source-line-no">308</span><span id="line-308"> HConstants.HBASE_CLIENT_IPC_POOL_SIZE);</span> |
| <span class="source-line-no">309</span><span id="line-309"> return 1;</span> |
| <span class="source-line-no">310</span><span id="line-310"> } else {</span> |
| <span class="source-line-no">311</span><span id="line-311"> return poolSize;</span> |
| <span class="source-line-no">312</span><span id="line-312"> }</span> |
| <span class="source-line-no">313</span><span id="line-313"> }</span> |
| <span class="source-line-no">314</span><span id="line-314"></span> |
| <span class="source-line-no">315</span><span id="line-315"> private int nextCallId() {</span> |
| <span class="source-line-no">316</span><span id="line-316"> int id, next;</span> |
| <span class="source-line-no">317</span><span id="line-317"> do {</span> |
| <span class="source-line-no">318</span><span id="line-318"> id = callIdCnt.get();</span> |
| <span class="source-line-no">319</span><span id="line-319"> next = id < Integer.MAX_VALUE ? id + 1 : 0;</span> |
| <span class="source-line-no">320</span><span id="line-320"> } while (!callIdCnt.compareAndSet(id, next));</span> |
| <span class="source-line-no">321</span><span id="line-321"> return id;</span> |
| <span class="source-line-no">322</span><span id="line-322"> }</span> |
| <span class="source-line-no">323</span><span id="line-323"></span> |
| <span class="source-line-no">324</span><span id="line-324"> /**</span> |
| <span class="source-line-no">325</span><span id="line-325"> * Make a blocking call. Throws exceptions if there are network problems or if the remote code</span> |
| <span class="source-line-no">326</span><span id="line-326"> * threw an exception.</span> |
| <span class="source-line-no">327</span><span id="line-327"> * @param ticket Be careful which ticket you pass. A new user will mean a new Connection.</span> |
| <span class="source-line-no">328</span><span id="line-328"> * {@link UserProvider#getCurrent()} makes a new instance of User each time so will</span> |
| <span class="source-line-no">329</span><span id="line-329"> * be a new Connection each time.</span> |
| <span class="source-line-no">330</span><span id="line-330"> * @return A pair with the Message response and the Cell data (if any).</span> |
| <span class="source-line-no">331</span><span id="line-331"> */</span> |
| <span class="source-line-no">332</span><span id="line-332"> private Message callBlockingMethod(Descriptors.MethodDescriptor md, HBaseRpcController hrc,</span> |
| <span class="source-line-no">333</span><span id="line-333"> Message param, Message returnType, final User ticket, final Address isa)</span> |
| <span class="source-line-no">334</span><span id="line-334"> throws ServiceException {</span> |
| <span class="source-line-no">335</span><span id="line-335"> BlockingRpcCallback<Message> done = new BlockingRpcCallback<>();</span> |
| <span class="source-line-no">336</span><span id="line-336"> callMethod(md, hrc, param, returnType, ticket, isa, done);</span> |
| <span class="source-line-no">337</span><span id="line-337"> Message val;</span> |
| <span class="source-line-no">338</span><span id="line-338"> try {</span> |
| <span class="source-line-no">339</span><span id="line-339"> val = done.get();</span> |
| <span class="source-line-no">340</span><span id="line-340"> } catch (IOException e) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> throw new ServiceException(e);</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"> if (hrc.failed()) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> throw new ServiceException(hrc.getFailed());</span> |
| <span class="source-line-no">345</span><span id="line-345"> } else {</span> |
| <span class="source-line-no">346</span><span id="line-346"> return val;</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> /**</span> |
| <span class="source-line-no">351</span><span id="line-351"> * Get a connection from the pool, or create a new one and add it to the pool. Connections to a</span> |
| <span class="source-line-no">352</span><span id="line-352"> * given host/port are reused.</span> |
| <span class="source-line-no">353</span><span id="line-353"> */</span> |
| <span class="source-line-no">354</span><span id="line-354"> private T getConnection(ConnectionId remoteId) throws IOException {</span> |
| <span class="source-line-no">355</span><span id="line-355"> if (failedServers.isFailedServer(remoteId.getAddress())) {</span> |
| <span class="source-line-no">356</span><span id="line-356"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">357</span><span id="line-357"> LOG.debug("Not trying to connect to " + remoteId.getAddress()</span> |
| <span class="source-line-no">358</span><span id="line-358"> + " this server is in the failed servers list");</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"> throw new FailedServerException(</span> |
| <span class="source-line-no">361</span><span id="line-361"> "This server is in the failed servers list: " + remoteId.getAddress());</span> |
| <span class="source-line-no">362</span><span id="line-362"> }</span> |
| <span class="source-line-no">363</span><span id="line-363"> T conn;</span> |
| <span class="source-line-no">364</span><span id="line-364"> synchronized (connections) {</span> |
| <span class="source-line-no">365</span><span id="line-365"> if (!running) {</span> |
| <span class="source-line-no">366</span><span id="line-366"> throw new StoppedRpcClientException();</span> |
| <span class="source-line-no">367</span><span id="line-367"> }</span> |
| <span class="source-line-no">368</span><span id="line-368"> conn = connections.getOrCreate(remoteId, () -> createConnection(remoteId));</span> |
| <span class="source-line-no">369</span><span id="line-369"> conn.setLastTouched(EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">370</span><span id="line-370"> }</span> |
| <span class="source-line-no">371</span><span id="line-371"> return conn;</span> |
| <span class="source-line-no">372</span><span id="line-372"> }</span> |
| <span class="source-line-no">373</span><span id="line-373"></span> |
| <span class="source-line-no">374</span><span id="line-374"> /**</span> |
| <span class="source-line-no">375</span><span id="line-375"> * Not connected.</span> |
| <span class="source-line-no">376</span><span id="line-376"> */</span> |
| <span class="source-line-no">377</span><span id="line-377"> protected abstract T createConnection(ConnectionId remoteId) throws IOException;</span> |
| <span class="source-line-no">378</span><span id="line-378"></span> |
| <span class="source-line-no">379</span><span id="line-379"> private void onCallFinished(Call call, HBaseRpcController hrc, Address addr,</span> |
| <span class="source-line-no">380</span><span id="line-380"> RpcCallback<Message> callback) {</span> |
| <span class="source-line-no">381</span><span id="line-381"> call.callStats.setCallTimeMs(EnvironmentEdgeManager.currentTime() - call.getStartTime());</span> |
| <span class="source-line-no">382</span><span id="line-382"> if (metrics != null) {</span> |
| <span class="source-line-no">383</span><span id="line-383"> metrics.updateRpc(call.md, hrc.getTableName(), call.param, call.callStats, call.error);</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385"> if (LOG.isTraceEnabled()) {</span> |
| <span class="source-line-no">386</span><span id="line-386"> LOG.trace("CallId: {}, call: {}, startTime: {}ms, callTime: {}ms, status: {}", call.id,</span> |
| <span class="source-line-no">387</span><span id="line-387"> call.md.getName(), call.getStartTime(), call.callStats.getCallTimeMs(),</span> |
| <span class="source-line-no">388</span><span id="line-388"> call.error != null ? "failed" : "successful");</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"> if (call.error != null) {</span> |
| <span class="source-line-no">391</span><span id="line-391"> if (call.error instanceof RemoteException) {</span> |
| <span class="source-line-no">392</span><span id="line-392"> call.error.fillInStackTrace();</span> |
| <span class="source-line-no">393</span><span id="line-393"> hrc.setFailed(call.error);</span> |
| <span class="source-line-no">394</span><span id="line-394"> } else {</span> |
| <span class="source-line-no">395</span><span id="line-395"> hrc.setFailed(wrapException(addr, hrc.getRegionInfo(), call.error));</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397"> callback.run(null);</span> |
| <span class="source-line-no">398</span><span id="line-398"> } else {</span> |
| <span class="source-line-no">399</span><span id="line-399"> hrc.setDone(call.cells);</span> |
| <span class="source-line-no">400</span><span id="line-400"> callback.run(call.response);</span> |
| <span class="source-line-no">401</span><span id="line-401"> }</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"></span> |
| <span class="source-line-no">404</span><span id="line-404"> private Call callMethod(final Descriptors.MethodDescriptor md, final HBaseRpcController hrc,</span> |
| <span class="source-line-no">405</span><span id="line-405"> final Message param, Message returnType, final User ticket, final Address addr,</span> |
| <span class="source-line-no">406</span><span id="line-406"> final RpcCallback<Message> callback) {</span> |
| <span class="source-line-no">407</span><span id="line-407"> Span span = new IpcClientSpanBuilder().setMethodDescriptor(md).setRemoteAddress(addr).build();</span> |
| <span class="source-line-no">408</span><span id="line-408"> try (Scope scope = span.makeCurrent()) {</span> |
| <span class="source-line-no">409</span><span id="line-409"> final MetricsConnection.CallStats cs = MetricsConnection.newCallStats();</span> |
| <span class="source-line-no">410</span><span id="line-410"> cs.setStartTime(EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">411</span><span id="line-411"></span> |
| <span class="source-line-no">412</span><span id="line-412"> if (param instanceof ClientProtos.MultiRequest) {</span> |
| <span class="source-line-no">413</span><span id="line-413"> ClientProtos.MultiRequest req = (ClientProtos.MultiRequest) param;</span> |
| <span class="source-line-no">414</span><span id="line-414"> int numActions = 0;</span> |
| <span class="source-line-no">415</span><span id="line-415"> for (ClientProtos.RegionAction regionAction : req.getRegionActionList()) {</span> |
| <span class="source-line-no">416</span><span id="line-416"> numActions += regionAction.getActionCount();</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"></span> |
| <span class="source-line-no">419</span><span id="line-419"> cs.setNumActionsPerServer(numActions);</span> |
| <span class="source-line-no">420</span><span id="line-420"> }</span> |
| <span class="source-line-no">421</span><span id="line-421"></span> |
| <span class="source-line-no">422</span><span id="line-422"> final AtomicInteger counter = concurrentCounterCache.getUnchecked(addr);</span> |
| <span class="source-line-no">423</span><span id="line-423"> Call call =</span> |
| <span class="source-line-no">424</span><span id="line-424"> new Call(nextCallId(), md, param, hrc.cellScanner(), returnType, hrc.getCallTimeout(),</span> |
| <span class="source-line-no">425</span><span id="line-425"> hrc.getPriority(), hrc.getRequestAttributes(), new RpcCallback<Call>() {</span> |
| <span class="source-line-no">426</span><span id="line-426"> @Override</span> |
| <span class="source-line-no">427</span><span id="line-427"> public void run(Call call) {</span> |
| <span class="source-line-no">428</span><span id="line-428"> try (Scope scope = call.span.makeCurrent()) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> counter.decrementAndGet();</span> |
| <span class="source-line-no">430</span><span id="line-430"> onCallFinished(call, hrc, addr, callback);</span> |
| <span class="source-line-no">431</span><span id="line-431"> } finally {</span> |
| <span class="source-line-no">432</span><span id="line-432"> if (hrc.failed()) {</span> |
| <span class="source-line-no">433</span><span id="line-433"> TraceUtil.setError(span, hrc.getFailed());</span> |
| <span class="source-line-no">434</span><span id="line-434"> } else {</span> |
| <span class="source-line-no">435</span><span id="line-435"> span.setStatus(StatusCode.OK);</span> |
| <span class="source-line-no">436</span><span id="line-436"> }</span> |
| <span class="source-line-no">437</span><span id="line-437"> span.end();</span> |
| <span class="source-line-no">438</span><span id="line-438"> }</span> |
| <span class="source-line-no">439</span><span id="line-439"> }</span> |
| <span class="source-line-no">440</span><span id="line-440"> }, cs);</span> |
| <span class="source-line-no">441</span><span id="line-441"> ConnectionId remoteId = new ConnectionId(ticket, md.getService().getName(), addr);</span> |
| <span class="source-line-no">442</span><span id="line-442"> int count = counter.incrementAndGet();</span> |
| <span class="source-line-no">443</span><span id="line-443"> try {</span> |
| <span class="source-line-no">444</span><span id="line-444"> if (count > maxConcurrentCallsPerServer) {</span> |
| <span class="source-line-no">445</span><span id="line-445"> throw new ServerTooBusyException(addr, count);</span> |
| <span class="source-line-no">446</span><span id="line-446"> }</span> |
| <span class="source-line-no">447</span><span id="line-447"> cs.setConcurrentCallsPerServer(count);</span> |
| <span class="source-line-no">448</span><span id="line-448"> T connection = getConnection(remoteId);</span> |
| <span class="source-line-no">449</span><span id="line-449"> connection.sendRequest(call, hrc);</span> |
| <span class="source-line-no">450</span><span id="line-450"> } catch (Exception e) {</span> |
| <span class="source-line-no">451</span><span id="line-451"> call.setException(toIOE(e));</span> |
| <span class="source-line-no">452</span><span id="line-452"> span.end();</span> |
| <span class="source-line-no">453</span><span id="line-453"> }</span> |
| <span class="source-line-no">454</span><span id="line-454"> return call;</span> |
| <span class="source-line-no">455</span><span id="line-455"> }</span> |
| <span class="source-line-no">456</span><span id="line-456"> }</span> |
| <span class="source-line-no">457</span><span id="line-457"></span> |
| <span class="source-line-no">458</span><span id="line-458"> static Address createAddr(ServerName sn) {</span> |
| <span class="source-line-no">459</span><span id="line-459"> return Address.fromParts(sn.getHostname(), sn.getPort());</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"> /**</span> |
| <span class="source-line-no">463</span><span id="line-463"> * Interrupt the connections to the given ip:port server. This should be called if the server is</span> |
| <span class="source-line-no">464</span><span id="line-464"> * known as actually dead. This will not prevent current operation to be retried, and, depending</span> |
| <span class="source-line-no">465</span><span id="line-465"> * on their own behavior, they may retry on the same server. This can be a feature, for example at</span> |
| <span class="source-line-no">466</span><span id="line-466"> * startup. In any case, they're likely to get connection refused (if the process died) or no</span> |
| <span class="source-line-no">467</span><span id="line-467"> * route to host: i.e. their next retries should be faster and with a safe exception.</span> |
| <span class="source-line-no">468</span><span id="line-468"> */</span> |
| <span class="source-line-no">469</span><span id="line-469"> @Override</span> |
| <span class="source-line-no">470</span><span id="line-470"> public void cancelConnections(ServerName sn) {</span> |
| <span class="source-line-no">471</span><span id="line-471"> synchronized (connections) {</span> |
| <span class="source-line-no">472</span><span id="line-472"> for (T connection : connections.values()) {</span> |
| <span class="source-line-no">473</span><span id="line-473"> ConnectionId remoteId = connection.remoteId();</span> |
| <span class="source-line-no">474</span><span id="line-474"> if (</span> |
| <span class="source-line-no">475</span><span id="line-475"> remoteId.getAddress().getPort() == sn.getPort()</span> |
| <span class="source-line-no">476</span><span id="line-476"> && remoteId.getAddress().getHostName().equals(sn.getHostname())</span> |
| <span class="source-line-no">477</span><span id="line-477"> ) {</span> |
| <span class="source-line-no">478</span><span id="line-478"> LOG.info("The server on " + sn.toString() + " is dead - stopping the connection "</span> |
| <span class="source-line-no">479</span><span id="line-479"> + connection.remoteId);</span> |
| <span class="source-line-no">480</span><span id="line-480"> connections.remove(remoteId, connection);</span> |
| <span class="source-line-no">481</span><span id="line-481"> connection.shutdown();</span> |
| <span class="source-line-no">482</span><span id="line-482"> connection.cleanupConnection();</span> |
| <span class="source-line-no">483</span><span id="line-483"> }</span> |
| <span class="source-line-no">484</span><span id="line-484"> }</span> |
| <span class="source-line-no">485</span><span id="line-485"> }</span> |
| <span class="source-line-no">486</span><span id="line-486"> }</span> |
| <span class="source-line-no">487</span><span id="line-487"></span> |
| <span class="source-line-no">488</span><span id="line-488"> /**</span> |
| <span class="source-line-no">489</span><span id="line-489"> * Configure an hbase rpccontroller</span> |
| <span class="source-line-no">490</span><span id="line-490"> * @param controller to configure</span> |
| <span class="source-line-no">491</span><span id="line-491"> * @param channelOperationTimeout timeout for operation</span> |
| <span class="source-line-no">492</span><span id="line-492"> * @return configured controller</span> |
| <span class="source-line-no">493</span><span id="line-493"> */</span> |
| <span class="source-line-no">494</span><span id="line-494"> static HBaseRpcController configureHBaseRpcController(RpcController controller,</span> |
| <span class="source-line-no">495</span><span id="line-495"> int channelOperationTimeout) {</span> |
| <span class="source-line-no">496</span><span id="line-496"> HBaseRpcController hrc;</span> |
| <span class="source-line-no">497</span><span id="line-497"> if (controller != null && controller instanceof HBaseRpcController) {</span> |
| <span class="source-line-no">498</span><span id="line-498"> hrc = (HBaseRpcController) controller;</span> |
| <span class="source-line-no">499</span><span id="line-499"> if (!hrc.hasCallTimeout()) {</span> |
| <span class="source-line-no">500</span><span id="line-500"> hrc.setCallTimeout(channelOperationTimeout);</span> |
| <span class="source-line-no">501</span><span id="line-501"> }</span> |
| <span class="source-line-no">502</span><span id="line-502"> } else {</span> |
| <span class="source-line-no">503</span><span id="line-503"> hrc = new HBaseRpcControllerImpl();</span> |
| <span class="source-line-no">504</span><span id="line-504"> hrc.setCallTimeout(channelOperationTimeout);</span> |
| <span class="source-line-no">505</span><span id="line-505"> }</span> |
| <span class="source-line-no">506</span><span id="line-506"> return hrc;</span> |
| <span class="source-line-no">507</span><span id="line-507"> }</span> |
| <span class="source-line-no">508</span><span id="line-508"></span> |
| <span class="source-line-no">509</span><span id="line-509"> protected abstract void closeInternal();</span> |
| <span class="source-line-no">510</span><span id="line-510"></span> |
| <span class="source-line-no">511</span><span id="line-511"> @Override</span> |
| <span class="source-line-no">512</span><span id="line-512"> public void close() {</span> |
| <span class="source-line-no">513</span><span id="line-513"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">514</span><span id="line-514"> LOG.debug("Stopping rpc client");</span> |
| <span class="source-line-no">515</span><span id="line-515"> }</span> |
| <span class="source-line-no">516</span><span id="line-516"> Collection<T> connToClose;</span> |
| <span class="source-line-no">517</span><span id="line-517"> synchronized (connections) {</span> |
| <span class="source-line-no">518</span><span id="line-518"> if (!running) {</span> |
| <span class="source-line-no">519</span><span id="line-519"> return;</span> |
| <span class="source-line-no">520</span><span id="line-520"> }</span> |
| <span class="source-line-no">521</span><span id="line-521"> running = false;</span> |
| <span class="source-line-no">522</span><span id="line-522"> connToClose = connections.values();</span> |
| <span class="source-line-no">523</span><span id="line-523"> connections.clear();</span> |
| <span class="source-line-no">524</span><span id="line-524"> }</span> |
| <span class="source-line-no">525</span><span id="line-525"> cleanupIdleConnectionTask.cancel(true);</span> |
| <span class="source-line-no">526</span><span id="line-526"> for (T conn : connToClose) {</span> |
| <span class="source-line-no">527</span><span id="line-527"> conn.shutdown();</span> |
| <span class="source-line-no">528</span><span id="line-528"> }</span> |
| <span class="source-line-no">529</span><span id="line-529"> closeInternal();</span> |
| <span class="source-line-no">530</span><span id="line-530"> for (T conn : connToClose) {</span> |
| <span class="source-line-no">531</span><span id="line-531"> conn.cleanupConnection();</span> |
| <span class="source-line-no">532</span><span id="line-532"> }</span> |
| <span class="source-line-no">533</span><span id="line-533"> }</span> |
| <span class="source-line-no">534</span><span id="line-534"></span> |
| <span class="source-line-no">535</span><span id="line-535"> @Override</span> |
| <span class="source-line-no">536</span><span id="line-536"> public BlockingRpcChannel createBlockingRpcChannel(final ServerName sn, final User ticket,</span> |
| <span class="source-line-no">537</span><span id="line-537"> int rpcTimeout) {</span> |
| <span class="source-line-no">538</span><span id="line-538"> return new BlockingRpcChannelImplementation(this, createAddr(sn), ticket, rpcTimeout);</span> |
| <span class="source-line-no">539</span><span id="line-539"> }</span> |
| <span class="source-line-no">540</span><span id="line-540"></span> |
| <span class="source-line-no">541</span><span id="line-541"> @Override</span> |
| <span class="source-line-no">542</span><span id="line-542"> public RpcChannel createRpcChannel(ServerName sn, User user, int rpcTimeout) {</span> |
| <span class="source-line-no">543</span><span id="line-543"> return new RpcChannelImplementation(this, createAddr(sn), user, rpcTimeout);</span> |
| <span class="source-line-no">544</span><span id="line-544"> }</span> |
| <span class="source-line-no">545</span><span id="line-545"></span> |
| <span class="source-line-no">546</span><span id="line-546"> @RestrictedApi(explanation = "Should only be called in tests", link = "",</span> |
| <span class="source-line-no">547</span><span id="line-547"> allowedOnPath = ".*/src/test/.*")</span> |
| <span class="source-line-no">548</span><span id="line-548"> PoolMap<ConnectionId, T> getConnections() {</span> |
| <span class="source-line-no">549</span><span id="line-549"> return connections;</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"> private static class AbstractRpcChannel {</span> |
| <span class="source-line-no">553</span><span id="line-553"></span> |
| <span class="source-line-no">554</span><span id="line-554"> protected final Address addr;</span> |
| <span class="source-line-no">555</span><span id="line-555"></span> |
| <span class="source-line-no">556</span><span id="line-556"> protected final AbstractRpcClient<?> rpcClient;</span> |
| <span class="source-line-no">557</span><span id="line-557"></span> |
| <span class="source-line-no">558</span><span id="line-558"> protected final User ticket;</span> |
| <span class="source-line-no">559</span><span id="line-559"></span> |
| <span class="source-line-no">560</span><span id="line-560"> protected final int rpcTimeout;</span> |
| <span class="source-line-no">561</span><span id="line-561"></span> |
| <span class="source-line-no">562</span><span id="line-562"> protected AbstractRpcChannel(AbstractRpcClient<?> rpcClient, Address addr, User ticket,</span> |
| <span class="source-line-no">563</span><span id="line-563"> int rpcTimeout) {</span> |
| <span class="source-line-no">564</span><span id="line-564"> this.addr = addr;</span> |
| <span class="source-line-no">565</span><span id="line-565"> this.rpcClient = rpcClient;</span> |
| <span class="source-line-no">566</span><span id="line-566"> this.ticket = ticket;</span> |
| <span class="source-line-no">567</span><span id="line-567"> this.rpcTimeout = rpcTimeout;</span> |
| <span class="source-line-no">568</span><span id="line-568"> }</span> |
| <span class="source-line-no">569</span><span id="line-569"></span> |
| <span class="source-line-no">570</span><span id="line-570"> /**</span> |
| <span class="source-line-no">571</span><span id="line-571"> * Configure an rpc controller</span> |
| <span class="source-line-no">572</span><span id="line-572"> * @param controller to configure</span> |
| <span class="source-line-no">573</span><span id="line-573"> * @return configured rpc controller</span> |
| <span class="source-line-no">574</span><span id="line-574"> */</span> |
| <span class="source-line-no">575</span><span id="line-575"> protected HBaseRpcController configureRpcController(RpcController controller) {</span> |
| <span class="source-line-no">576</span><span id="line-576"> HBaseRpcController hrc;</span> |
| <span class="source-line-no">577</span><span id="line-577"> // TODO: Ideally we should not use an RpcController other than HBaseRpcController at client</span> |
| <span class="source-line-no">578</span><span id="line-578"> // side. And now we may use ServerRpcController.</span> |
| <span class="source-line-no">579</span><span id="line-579"> if (controller != null && controller instanceof HBaseRpcController) {</span> |
| <span class="source-line-no">580</span><span id="line-580"> hrc = (HBaseRpcController) controller;</span> |
| <span class="source-line-no">581</span><span id="line-581"> if (!hrc.hasCallTimeout()) {</span> |
| <span class="source-line-no">582</span><span id="line-582"> hrc.setCallTimeout(rpcTimeout);</span> |
| <span class="source-line-no">583</span><span id="line-583"> }</span> |
| <span class="source-line-no">584</span><span id="line-584"> } else {</span> |
| <span class="source-line-no">585</span><span id="line-585"> hrc = new HBaseRpcControllerImpl();</span> |
| <span class="source-line-no">586</span><span id="line-586"> hrc.setCallTimeout(rpcTimeout);</span> |
| <span class="source-line-no">587</span><span id="line-587"> }</span> |
| <span class="source-line-no">588</span><span id="line-588"> return hrc;</span> |
| <span class="source-line-no">589</span><span id="line-589"> }</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"> /**</span> |
| <span class="source-line-no">593</span><span id="line-593"> * Blocking rpc channel that goes via hbase rpc.</span> |
| <span class="source-line-no">594</span><span id="line-594"> */</span> |
| <span class="source-line-no">595</span><span id="line-595"> public static class BlockingRpcChannelImplementation extends AbstractRpcChannel</span> |
| <span class="source-line-no">596</span><span id="line-596"> implements BlockingRpcChannel {</span> |
| <span class="source-line-no">597</span><span id="line-597"></span> |
| <span class="source-line-no">598</span><span id="line-598"> protected BlockingRpcChannelImplementation(AbstractRpcClient<?> rpcClient, Address addr,</span> |
| <span class="source-line-no">599</span><span id="line-599"> User ticket, int rpcTimeout) {</span> |
| <span class="source-line-no">600</span><span id="line-600"> super(rpcClient, addr, ticket, rpcTimeout);</span> |
| <span class="source-line-no">601</span><span id="line-601"> }</span> |
| <span class="source-line-no">602</span><span id="line-602"></span> |
| <span class="source-line-no">603</span><span id="line-603"> @Override</span> |
| <span class="source-line-no">604</span><span id="line-604"> public Message callBlockingMethod(Descriptors.MethodDescriptor md, RpcController controller,</span> |
| <span class="source-line-no">605</span><span id="line-605"> Message param, Message returnType) throws ServiceException {</span> |
| <span class="source-line-no">606</span><span id="line-606"> return rpcClient.callBlockingMethod(md, configureRpcController(controller), param, returnType,</span> |
| <span class="source-line-no">607</span><span id="line-607"> ticket, addr);</span> |
| <span class="source-line-no">608</span><span id="line-608"> }</span> |
| <span class="source-line-no">609</span><span id="line-609"> }</span> |
| <span class="source-line-no">610</span><span id="line-610"></span> |
| <span class="source-line-no">611</span><span id="line-611"> /**</span> |
| <span class="source-line-no">612</span><span id="line-612"> * Async rpc channel that goes via hbase rpc.</span> |
| <span class="source-line-no">613</span><span id="line-613"> */</span> |
| <span class="source-line-no">614</span><span id="line-614"> public static class RpcChannelImplementation extends AbstractRpcChannel implements RpcChannel {</span> |
| <span class="source-line-no">615</span><span id="line-615"></span> |
| <span class="source-line-no">616</span><span id="line-616"> protected RpcChannelImplementation(AbstractRpcClient<?> rpcClient, Address addr, User ticket,</span> |
| <span class="source-line-no">617</span><span id="line-617"> int rpcTimeout) {</span> |
| <span class="source-line-no">618</span><span id="line-618"> super(rpcClient, addr, ticket, rpcTimeout);</span> |
| <span class="source-line-no">619</span><span id="line-619"> }</span> |
| <span class="source-line-no">620</span><span id="line-620"></span> |
| <span class="source-line-no">621</span><span id="line-621"> @Override</span> |
| <span class="source-line-no">622</span><span id="line-622"> public void callMethod(Descriptors.MethodDescriptor md, RpcController controller, Message param,</span> |
| <span class="source-line-no">623</span><span id="line-623"> Message returnType, RpcCallback<Message> done) {</span> |
| <span class="source-line-no">624</span><span id="line-624"> HBaseRpcController configuredController = configureRpcController(</span> |
| <span class="source-line-no">625</span><span id="line-625"> Preconditions.checkNotNull(controller, "RpcController can not be null for async rpc call"));</span> |
| <span class="source-line-no">626</span><span id="line-626"> // This method does not throw any exceptions, so the caller must provide a</span> |
| <span class="source-line-no">627</span><span id="line-627"> // HBaseRpcController which is used to pass the exceptions.</span> |
| <span class="source-line-no">628</span><span id="line-628"> this.rpcClient.callMethod(md, configuredController, param, returnType, ticket, addr, done);</span> |
| <span class="source-line-no">629</span><span id="line-629"> }</span> |
| <span class="source-line-no">630</span><span id="line-630"> }</span> |
| <span class="source-line-no">631</span><span id="line-631">}</span> |
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| </div> |
| </main> |
| </body> |
| </html> |
