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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.ipc;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.ipc.IPCUtil.toIOE;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.ipc.IPCUtil.wrapException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import io.opentelemetry.api.trace.Span;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import io.opentelemetry.api.trace.StatusCode;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import io.opentelemetry.context.Scope;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.net.SocketAddress;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Collection;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.Executors;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.ScheduledFuture;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.TimeUnit;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HConstants;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ServerName;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.MetricsConnection;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.trace.IpcClientSpanBuilder;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.codec.KeyValueCodec;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.net.Address;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.User;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.PoolMap;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.cache.CacheLoader;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcChannel;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span>/**<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * Provides the basics for a RpcClient implementation like configuration and Logging.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * <p><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Locking schema of the current IPC implementation<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * <ul><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * <li>There is a lock in {@link AbstractRpcClient} to protect the fetching or creating<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * connection.</li><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * <li>There is a lock in {@link Call} to make sure that we can only finish the call once.</li><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * <li>The same for {@link HBaseRpcController} as {@link Call}. And see the comment of<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * {@link HBaseRpcController#notifyOnCancel(RpcCallback, HBaseRpcController.CancellationCallback)}<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * of how to deal with cancel.</li><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * <li>For connection implementation, the construction of a connection should be as fast as possible<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * because the creation is protected under a lock. Connect to remote side when needed. There is no<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * forced locking schema for a connection implementation.</li><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * <li>For the locking order, the {@link Call} and {@link HBaseRpcController}'s lock should be held<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * at last. So the callbacks in {@link Call} and {@link HBaseRpcController} should be execute<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * outside the lock in {@link Call} and {@link HBaseRpcController} which means the implementations<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * of the callbacks are free to hold any lock.</li><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * </ul><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * @since 2.0.0<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> */<a name="line.91"></a> |
| <span class="sourceLineNo">092</span>@InterfaceAudience.Private<a name="line.92"></a> |
| <span class="sourceLineNo">093</span>public abstract class AbstractRpcClient<T extends RpcConnection> implements RpcClient {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> // Log level is being changed in tests<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public static final Logger LOG = LoggerFactory.getLogger(AbstractRpcClient.class);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> protected static final HashedWheelTimer WHEEL_TIMER = new HashedWheelTimer(<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> new ThreadFactoryBuilder().setNameFormat("RpcClient-timer-pool-%d").setDaemon(true)<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build(),<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> 10, TimeUnit.MILLISECONDS);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private static final ScheduledExecutorService IDLE_CONN_SWEEPER =<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> Executors.newScheduledThreadPool(1,<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> new ThreadFactoryBuilder().setNameFormat("Idle-Rpc-Conn-Sweeper-pool-%d").setDaemon(true)<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private boolean running = true; // if client runs<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> protected final Configuration conf;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> protected final Map<String, byte[]> connectionAttributes;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> protected final String clusterId;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> protected final SocketAddress localAddr;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> protected final MetricsConnection metrics;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> protected final UserProvider userProvider;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> protected final CellBlockBuilder cellBlockBuilder;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> protected final int minIdleTimeBeforeClose; // if the connection is idle for more than this<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> // time (in ms), it will be closed at any moment.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> protected final int maxRetries; // the max. no. of retries for socket connections<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> protected final long failureSleep; // Time to sleep before retry on failure.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> protected final boolean tcpNoDelay; // if T then disable Nagle's Algorithm<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> protected final boolean tcpKeepAlive; // if T then use keepalives<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> protected final Codec codec;<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> protected final CompressionCodec compressor;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> protected final boolean fallbackAllowed;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> protected final FailedServers failedServers;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> protected final int connectTO;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> protected final int readTO;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> protected final int writeTO;<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> private final PoolMap<ConnectionId, T> connections;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> private final AtomicInteger callIdCnt = new AtomicInteger(0);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> private final ScheduledFuture<?> cleanupIdleConnectionTask;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> private int maxConcurrentCallsPerServer;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> private static final LoadingCache<Address, AtomicInteger> concurrentCounterCache =<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> CacheBuilder.newBuilder().expireAfterAccess(1, TimeUnit.HOURS)<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> .build(new CacheLoader<Address, AtomicInteger>() {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> @Override<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public AtomicInteger load(Address key) throws Exception {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> return new AtomicInteger(0);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> });<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> /**<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * Construct an IPC client for the cluster <code>clusterId</code><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * @param conf configuration<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * @param clusterId the cluster id<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * @param localAddr client socket bind address.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * @param metrics the connection metrics<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> */<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> public AbstractRpcClient(Configuration conf, String clusterId, SocketAddress localAddr,<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> MetricsConnection metrics, Map<String, byte[]> connectionAttributes) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> this.userProvider = UserProvider.instantiate(conf);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> this.localAddr = localAddr;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> this.tcpKeepAlive = conf.getBoolean("hbase.ipc.client.tcpkeepalive", true);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> this.clusterId = clusterId != null ? clusterId : HConstants.CLUSTER_ID_DEFAULT;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> this.failureSleep =<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> conf.getLong(HConstants.HBASE_CLIENT_PAUSE, HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> this.maxRetries = conf.getInt("hbase.ipc.client.connect.max.retries", 0);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> this.tcpNoDelay = conf.getBoolean("hbase.ipc.client.tcpnodelay", true);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> this.cellBlockBuilder = new CellBlockBuilder(conf);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> this.minIdleTimeBeforeClose = conf.getInt(IDLE_TIME, 120000); // 2 minutes<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> this.conf = conf;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> this.connectionAttributes = connectionAttributes;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> this.codec = getCodec();<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> this.compressor = getCompressor(conf);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> this.fallbackAllowed = conf.getBoolean(IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY,<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> this.failedServers = new FailedServers(conf);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> this.connectTO = conf.getInt(SOCKET_TIMEOUT_CONNECT, DEFAULT_SOCKET_TIMEOUT_CONNECT);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> this.readTO = conf.getInt(SOCKET_TIMEOUT_READ, DEFAULT_SOCKET_TIMEOUT_READ);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> this.writeTO = conf.getInt(SOCKET_TIMEOUT_WRITE, DEFAULT_SOCKET_TIMEOUT_WRITE);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> this.metrics = metrics;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> this.maxConcurrentCallsPerServer =<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> conf.getInt(HConstants.HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD,<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> HConstants.DEFAULT_HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> this.connections = new PoolMap<>(getPoolType(conf), getPoolSize(conf));<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> this.cleanupIdleConnectionTask = IDLE_CONN_SWEEPER.scheduleAtFixedRate(new Runnable() {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> @Override<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> public void run() {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> cleanupIdleConnections();<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }, minIdleTimeBeforeClose, minIdleTimeBeforeClose, TimeUnit.MILLISECONDS);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> if (LOG.isDebugEnabled()) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> LOG.debug("Codec=" + this.codec + ", compressor=" + this.compressor + ", tcpKeepAlive="<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> + this.tcpKeepAlive + ", tcpNoDelay=" + this.tcpNoDelay + ", connectTO=" + this.connectTO<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> + ", readTO=" + this.readTO + ", writeTO=" + this.writeTO + ", minIdleTimeBeforeClose="<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> + this.minIdleTimeBeforeClose + ", maxRetries=" + this.maxRetries + ", fallbackAllowed="<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> + this.fallbackAllowed + ", bind address="<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> + (this.localAddr != null ? this.localAddr : "null"));<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> private void cleanupIdleConnections() {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> long closeBeforeTime = EnvironmentEdgeManager.currentTime() - minIdleTimeBeforeClose;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> synchronized (connections) {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> for (T conn : connections.values()) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // Remove connection if it has not been chosen by anyone for more than maxIdleTime, and the<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // connection itself has already shutdown. The latter check is because we may still<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> // have some pending calls on connection so we should not shutdown the connection outside.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // The connection itself will disconnect if there is no pending call for maxIdleTime.<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> if (conn.getLastTouched() < closeBeforeTime && !conn.isActive()) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> if (LOG.isTraceEnabled()) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> LOG.trace("Cleanup idle connection to {}", conn.remoteId().getAddress());<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> connections.remove(conn.remoteId(), conn);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> conn.cleanupConnection();<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> public static String getDefaultCodec(final Configuration c) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // If "hbase.client.default.rpc.codec" is empty string -- you can't set it to null because<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // Configuration will complain -- then no default codec (and we'll pb everything). Else<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> // default is KeyValueCodec<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return c.get(DEFAULT_CODEC_CLASS, KeyValueCodec.class.getCanonicalName());<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> /**<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> * Encapsulate the ugly casting and RuntimeException conversion in private method.<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @return Codec to use on this client.<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> */<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> protected Codec getCodec() {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> // For NO CODEC, "hbase.client.rpc.codec" must be configured with empty string AND<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // "hbase.client.default.rpc.codec" also -- because default is to do cell block encoding.<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> String className = conf.get(HConstants.RPC_CODEC_CONF_KEY, getDefaultCodec(this.conf));<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> if (className == null || className.length() == 0) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> return null;<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> }<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> try {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return Class.forName(className).asSubclass(Codec.class).getDeclaredConstructor()<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> .newInstance();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> } catch (Exception e) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> throw new RuntimeException("Failed getting codec " + className, e);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> @Override<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> public boolean hasCellBlockSupport() {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> return this.codec != null;<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> }<a name="line.254"></a> |
| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // for writing tests that want to throw exception when connecting.<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> protected boolean isTcpNoDelay() {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return tcpNoDelay;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> /**<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * Encapsulate the ugly casting and RuntimeException conversion in private method.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * @param conf configuration<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * @return The compressor to use on this client.<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> */<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> private static CompressionCodec getCompressor(final Configuration conf) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> String className = conf.get("hbase.client.rpc.compressor", null);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (className == null || className.isEmpty()) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> return null;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> try {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> return Class.forName(className).asSubclass(CompressionCodec.class).getDeclaredConstructor()<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> .newInstance();<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> } catch (Exception e) {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> throw new RuntimeException("Failed getting compressor " + className, e);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> /**<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * Return the pool type specified in the configuration, which must be set to either<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin} or<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#ThreadLocal}, otherwise default to the<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> * former. For applications with many user threads, use a small round-robin pool. For applications<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> * with few user threads, you may want to try using a thread-local pool. In any case, the number<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> * of {@link org.apache.hadoop.hbase.ipc.RpcClient} instances should not exceed the operating<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * system's hard limit on the number of connections.<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @param config configuration<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @return either a {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin} or<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#ThreadLocal}<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> */<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> private static PoolMap.PoolType getPoolType(Configuration config) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return PoolMap.PoolType.valueOf(config.get(HConstants.HBASE_CLIENT_IPC_POOL_TYPE),<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> PoolMap.PoolType.RoundRobin);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> /**<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> * Return the pool size specified in the configuration, which is applicable only if the pool type<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> * is {@link org.apache.hadoop.hbase.util.PoolMap.PoolType#RoundRobin}.<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * @param config configuration<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * @return the maximum pool size<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> */<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> private static int getPoolSize(Configuration config) {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> int poolSize = config.getInt(HConstants.HBASE_CLIENT_IPC_POOL_SIZE, 1);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> if (poolSize <= 0) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> LOG.warn("{} must be positive. Using default value: 1",<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> HConstants.HBASE_CLIENT_IPC_POOL_SIZE);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> return 1;<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> } else {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> return poolSize;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span><a name="line.313"></a> |
| <span class="sourceLineNo">314</span> private int nextCallId() {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> int id, next;<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> do {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> id = callIdCnt.get();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> next = id < Integer.MAX_VALUE ? id + 1 : 0;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> } while (!callIdCnt.compareAndSet(id, next));<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> return id;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> /**<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> * Make a blocking call. Throws exceptions if there are network problems or if the remote code<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> * threw an exception.<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> * @param ticket Be careful which ticket you pass. A new user will mean a new Connection.<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * {@link UserProvider#getCurrent()} makes a new instance of User each time so will<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * be a new Connection each time.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @return A pair with the Message response and the Cell data (if any).<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> */<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> private Message callBlockingMethod(Descriptors.MethodDescriptor md, HBaseRpcController hrc,<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> Message param, Message returnType, final User ticket, final Address isa)<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> throws ServiceException {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> BlockingRpcCallback<Message> done = new BlockingRpcCallback<>();<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> callMethod(md, hrc, param, returnType, ticket, isa, done);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> Message val;<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> try {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> val = done.get();<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> } catch (IOException e) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> throw new ServiceException(e);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> if (hrc.failed()) {<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> throw new ServiceException(hrc.getFailed());<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> } else {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> return val;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span><a name="line.348"></a> |
| <span class="sourceLineNo">349</span> /**<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> * Get a connection from the pool, or create a new one and add it to the pool. Connections to a<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> * given host/port are reused.<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> */<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> private T getConnection(ConnectionId remoteId) throws IOException {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> if (failedServers.isFailedServer(remoteId.getAddress())) {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> if (LOG.isDebugEnabled()) {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> LOG.debug("Not trying to connect to " + remoteId.getAddress()<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> + " this server is in the failed servers list");<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> throw new FailedServerException(<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> "This server is in the failed servers list: " + remoteId.getAddress());<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> }<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> T conn;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> synchronized (connections) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> if (!running) {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> throw new StoppedRpcClientException();<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> }<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> conn = connections.getOrCreate(remoteId, () -> createConnection(remoteId));<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> conn.setLastTouched(EnvironmentEdgeManager.currentTime());<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> }<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return conn;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span><a name="line.372"></a> |
| <span class="sourceLineNo">373</span> /**<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> * Not connected.<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> */<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> protected abstract T createConnection(ConnectionId remoteId) throws IOException;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> private void onCallFinished(Call call, HBaseRpcController hrc, Address addr,<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> RpcCallback<Message> callback) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> call.callStats.setCallTimeMs(EnvironmentEdgeManager.currentTime() - call.getStartTime());<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (metrics != null) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> metrics.updateRpc(call.md, call.param, call.callStats, call.error);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> if (LOG.isTraceEnabled()) {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> LOG.trace("CallId: {}, call: {}, startTime: {}ms, callTime: {}ms, status: {}", call.id,<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> call.md.getName(), call.getStartTime(), call.callStats.getCallTimeMs(),<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> call.error != null ? "failed" : "successful");<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> }<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (call.error != null) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> if (call.error instanceof RemoteException) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> call.error.fillInStackTrace();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> hrc.setFailed(call.error);<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> } else {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> hrc.setFailed(wrapException(addr, hrc.getRegionInfo(), call.error));<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> callback.run(null);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> } else {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> hrc.setDone(call.cells);<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> callback.run(call.response);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> }<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> private Call callMethod(final Descriptors.MethodDescriptor md, final HBaseRpcController hrc,<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> final Message param, Message returnType, final User ticket, final Address addr,<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> final RpcCallback<Message> callback) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> Span span = new IpcClientSpanBuilder().setMethodDescriptor(md).setRemoteAddress(addr).build();<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> try (Scope scope = span.makeCurrent()) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> final MetricsConnection.CallStats cs = MetricsConnection.newCallStats();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> cs.setStartTime(EnvironmentEdgeManager.currentTime());<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> if (param instanceof ClientProtos.MultiRequest) {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> ClientProtos.MultiRequest req = (ClientProtos.MultiRequest) param;<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> int numActions = 0;<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> for (ClientProtos.RegionAction regionAction : req.getRegionActionList()) {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> numActions += regionAction.getActionCount();<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span><a name="line.417"></a> |
| <span class="sourceLineNo">418</span> cs.setNumActionsPerServer(numActions);<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> }<a name="line.419"></a> |
| <span class="sourceLineNo">420</span><a name="line.420"></a> |
| <span class="sourceLineNo">421</span> final AtomicInteger counter = concurrentCounterCache.getUnchecked(addr);<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> Call call =<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> new Call(nextCallId(), md, param, hrc.cellScanner(), returnType, hrc.getCallTimeout(),<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> hrc.getPriority(), hrc.getRequestAttributes(), new RpcCallback<Call>() {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> @Override<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> public void run(Call call) {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> try (Scope scope = call.span.makeCurrent()) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> counter.decrementAndGet();<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> onCallFinished(call, hrc, addr, callback);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> } finally {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> if (hrc.failed()) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> TraceUtil.setError(span, hrc.getFailed());<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> } else {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> span.setStatus(StatusCode.OK);<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> span.end();<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> }<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> }<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> }, cs);<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> ConnectionId remoteId = new ConnectionId(ticket, md.getService().getName(), addr);<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> int count = counter.incrementAndGet();<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> try {<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> if (count > maxConcurrentCallsPerServer) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> throw new ServerTooBusyException(addr, count);<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> cs.setConcurrentCallsPerServer(count);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> T connection = getConnection(remoteId);<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> connection.sendRequest(call, hrc);<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> } catch (Exception e) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> call.setException(toIOE(e));<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> span.end();<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> return call;<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> }<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> }<a name="line.455"></a> |
| <span class="sourceLineNo">456</span><a name="line.456"></a> |
| <span class="sourceLineNo">457</span> private static Address createAddr(ServerName sn) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> return Address.fromParts(sn.getHostname(), sn.getPort());<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
| <span class="sourceLineNo">461</span> /**<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * Interrupt the connections to the given ip:port server. This should be called if the server is<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> * known as actually dead. This will not prevent current operation to be retried, and, depending<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> * on their own behavior, they may retry on the same server. This can be a feature, for example at<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> * startup. In any case, they're likely to get connection refused (if the process died) or no<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> * route to host: i.e. their next retries should be faster and with a safe exception.<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> */<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> @Override<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> public void cancelConnections(ServerName sn) {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> synchronized (connections) {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> for (T connection : connections.values()) {<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> ConnectionId remoteId = connection.remoteId();<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> if (<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> remoteId.getAddress().getPort() == sn.getPort()<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> && remoteId.getAddress().getHostName().equals(sn.getHostname())<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> ) {<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> LOG.info("The server on " + sn.toString() + " is dead - stopping the connection "<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> + connection.remoteId);<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> connections.remove(remoteId, connection);<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> connection.shutdown();<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> connection.cleanupConnection();<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> }<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span><a name="line.486"></a> |
| <span class="sourceLineNo">487</span> /**<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> * Configure an hbase rpccontroller<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> * @param controller to configure<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> * @param channelOperationTimeout timeout for operation<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> * @return configured controller<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> */<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> static HBaseRpcController configureHBaseRpcController(RpcController controller,<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> int channelOperationTimeout) {<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> HBaseRpcController hrc;<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> if (controller != null && controller instanceof HBaseRpcController) {<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> hrc = (HBaseRpcController) controller;<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> if (!hrc.hasCallTimeout()) {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> hrc.setCallTimeout(channelOperationTimeout);<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> }<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> } else {<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> hrc = new HBaseRpcControllerImpl();<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> hrc.setCallTimeout(channelOperationTimeout);<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> return hrc;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> }<a name="line.506"></a> |
| <span class="sourceLineNo">507</span><a name="line.507"></a> |
| <span class="sourceLineNo">508</span> protected abstract void closeInternal();<a name="line.508"></a> |
| <span class="sourceLineNo">509</span><a name="line.509"></a> |
| <span class="sourceLineNo">510</span> @Override<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> public void close() {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> if (LOG.isDebugEnabled()) {<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> LOG.debug("Stopping rpc client");<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> }<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> Collection<T> connToClose;<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> synchronized (connections) {<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> if (!running) {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> return;<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> }<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> running = false;<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> connToClose = connections.values();<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> connections.clear();<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> }<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> cleanupIdleConnectionTask.cancel(true);<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> for (T conn : connToClose) {<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> conn.shutdown();<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> closeInternal();<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> for (T conn : connToClose) {<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> conn.cleanupConnection();<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> }<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> }<a name="line.532"></a> |
| <span class="sourceLineNo">533</span><a name="line.533"></a> |
| <span class="sourceLineNo">534</span> @Override<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> public BlockingRpcChannel createBlockingRpcChannel(final ServerName sn, final User ticket,<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> int rpcTimeout) {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> return new BlockingRpcChannelImplementation(this, createAddr(sn), ticket, rpcTimeout);<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> }<a name="line.538"></a> |
| <span class="sourceLineNo">539</span><a name="line.539"></a> |
| <span class="sourceLineNo">540</span> @Override<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> public RpcChannel createRpcChannel(ServerName sn, User user, int rpcTimeout) {<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> return new RpcChannelImplementation(this, createAddr(sn), user, rpcTimeout);<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span><a name="line.544"></a> |
| <span class="sourceLineNo">545</span> private static class AbstractRpcChannel {<a name="line.545"></a> |
| <span class="sourceLineNo">546</span><a name="line.546"></a> |
| <span class="sourceLineNo">547</span> protected final Address addr;<a name="line.547"></a> |
| <span class="sourceLineNo">548</span><a name="line.548"></a> |
| <span class="sourceLineNo">549</span> protected final AbstractRpcClient<?> rpcClient;<a name="line.549"></a> |
| <span class="sourceLineNo">550</span><a name="line.550"></a> |
| <span class="sourceLineNo">551</span> protected final User ticket;<a name="line.551"></a> |
| <span class="sourceLineNo">552</span><a name="line.552"></a> |
| <span class="sourceLineNo">553</span> protected final int rpcTimeout;<a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> protected AbstractRpcChannel(AbstractRpcClient<?> rpcClient, Address addr, User ticket,<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> int rpcTimeout) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> this.addr = addr;<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> this.rpcClient = rpcClient;<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> this.ticket = ticket;<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> this.rpcTimeout = rpcTimeout;<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> }<a name="line.561"></a> |
| <span class="sourceLineNo">562</span><a name="line.562"></a> |
| <span class="sourceLineNo">563</span> /**<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> * Configure an rpc controller<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> * @param controller to configure<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> * @return configured rpc controller<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> */<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> protected HBaseRpcController configureRpcController(RpcController controller) {<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> HBaseRpcController hrc;<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> // TODO: Ideally we should not use an RpcController other than HBaseRpcController at client<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> // side. And now we may use ServerRpcController.<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> if (controller != null && controller instanceof HBaseRpcController) {<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> hrc = (HBaseRpcController) controller;<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> if (!hrc.hasCallTimeout()) {<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> hrc.setCallTimeout(rpcTimeout);<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> }<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> } else {<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> hrc = new HBaseRpcControllerImpl();<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> hrc.setCallTimeout(rpcTimeout);<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> }<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> return hrc;<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> }<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> }<a name="line.583"></a> |
| <span class="sourceLineNo">584</span><a name="line.584"></a> |
| <span class="sourceLineNo">585</span> /**<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> * Blocking rpc channel that goes via hbase rpc.<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> */<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> public static class BlockingRpcChannelImplementation extends AbstractRpcChannel<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> implements BlockingRpcChannel {<a name="line.589"></a> |
| <span class="sourceLineNo">590</span><a name="line.590"></a> |
| <span class="sourceLineNo">591</span> protected BlockingRpcChannelImplementation(AbstractRpcClient<?> rpcClient, Address addr,<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> User ticket, int rpcTimeout) {<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> super(rpcClient, addr, ticket, rpcTimeout);<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> @Override<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> public Message callBlockingMethod(Descriptors.MethodDescriptor md, RpcController controller,<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> Message param, Message returnType) throws ServiceException {<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> return rpcClient.callBlockingMethod(md, configureRpcController(controller), param, returnType,<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> ticket, addr);<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> }<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> }<a name="line.602"></a> |
| <span class="sourceLineNo">603</span><a name="line.603"></a> |
| <span class="sourceLineNo">604</span> /**<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> * Async rpc channel that goes via hbase rpc.<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> */<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> public static class RpcChannelImplementation extends AbstractRpcChannel implements RpcChannel {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span><a name="line.608"></a> |
| <span class="sourceLineNo">609</span> protected RpcChannelImplementation(AbstractRpcClient<?> rpcClient, Address addr, User ticket,<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> int rpcTimeout) {<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> super(rpcClient, addr, ticket, rpcTimeout);<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> }<a name="line.612"></a> |
| <span class="sourceLineNo">613</span><a name="line.613"></a> |
| <span class="sourceLineNo">614</span> @Override<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> public void callMethod(Descriptors.MethodDescriptor md, RpcController controller, Message param,<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> Message returnType, RpcCallback<Message> done) {<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> HBaseRpcController configuredController = configureRpcController(<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> Preconditions.checkNotNull(controller, "RpcController can not be null for async rpc call"));<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> // This method does not throw any exceptions, so the caller must provide a<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> // HBaseRpcController which is used to pass the exceptions.<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> this.rpcClient.callMethod(md, configuredController, param, returnType, ticket, addr, done);<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> }<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> }<a name="line.623"></a> |
| <span class="sourceLineNo">624</span>}<a name="line.624"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
