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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.wal;<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.wal.AbstractFSWALProvider.getWALArchiveDirectoryName;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.wal.AbstractFSWALProvider.getWALDirectoryName;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.lang.reflect.Constructor;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.lang.reflect.InvocationTargetException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Optional;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ConcurrentMap;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.locks.Lock;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.function.BiPredicate;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.regex.Matcher;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.regex.Pattern;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.util.stream.Collectors;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.util.stream.Stream;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.conf.Configuration;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.Abortable;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.TableName;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.wal.DualAsyncFSWAL;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.replication.SyncReplicationState;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.replication.regionserver.PeerActionListener;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.replication.regionserver.SyncReplicationPeerInfoProvider;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.KeyLocker;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.collect.Streams;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.io.netty.channel.Channel;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span>/**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * The special {@link WALProvider} for synchronous replication.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * <p><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * It works like an interceptor, when getting WAL, first it will check if the given region should be<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * replicated synchronously, if so it will return a special WAL for it, otherwise it will delegate<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * the request to the normal {@link WALProvider}.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>@InterfaceAudience.Private<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>public class SyncReplicationWALProvider implements WALProvider, PeerActionListener {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static final Logger LOG = LoggerFactory.getLogger(SyncReplicationWALProvider.class);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // only for injecting errors for testcase, do not use it for other purpose.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public static final String DUAL_WAL_IMPL = "hbase.wal.sync.impl";<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private final WALProvider provider;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private SyncReplicationPeerInfoProvider peerInfoProvider =<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> new DefaultSyncReplicationPeerInfoProvider();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private WALFactory factory;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private Configuration conf;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private List<WALActionsListener> listeners = new ArrayList<>();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private EventLoopGroup eventLoopGroup;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private Class<? extends Channel> channelClass;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private AtomicBoolean initialized = new AtomicBoolean(false);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // when switching from A to DA, we will put a Optional.empty into this map if there is no WAL for<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> // the peer yet. When getting WAL from this map the caller should know that it should not use<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // DualAsyncFSWAL any more.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private final ConcurrentMap<String, Optional<DualAsyncFSWAL>> peerId2WAL =<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> new ConcurrentHashMap<>();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> private final KeyLocker<String> createLock = new KeyLocker<>();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> SyncReplicationWALProvider(WALProvider provider) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this.provider = provider;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> public void setPeerInfoProvider(SyncReplicationPeerInfoProvider peerInfoProvider) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> this.peerInfoProvider = peerInfoProvider;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> @Override<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> public void init(WALFactory factory, Configuration conf, String providerId, Abortable abortable)<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> throws IOException {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> if (!initialized.compareAndSet(false, true)) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> throw new IllegalStateException("WALProvider.init should only be called once.");<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> provider.init(factory, conf, providerId, abortable);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> this.conf = conf;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> this.factory = factory;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> Pair<EventLoopGroup, Class<? extends Channel>> eventLoopGroupAndChannelClass =<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> NettyAsyncFSWALConfigHelper.getEventLoopConfig(conf);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> eventLoopGroup = eventLoopGroupAndChannelClass.getFirst();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> channelClass = eventLoopGroupAndChannelClass.getSecond();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // Use a timestamp to make it identical. That means, after we transit the peer to DA/S and then<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // back to A, the log prefix will be changed. This is used to simplify the implementation for<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // replication source, where we do not need to consider that a terminated shipper could be added<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> // back.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> private String getLogPrefix(String peerId) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return factory.factoryId + "-" + EnvironmentEdgeManager.currentTime() + "-" + peerId;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> private DualAsyncFSWAL createWAL(String peerId, String remoteWALDir) throws IOException {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> Class<? extends DualAsyncFSWAL> clazz =<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> conf.getClass(DUAL_WAL_IMPL, DualAsyncFSWAL.class, DualAsyncFSWAL.class);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> try {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> Constructor<?> constructor = null;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> for (Constructor<?> c : clazz.getDeclaredConstructors()) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> if (c.getParameterCount() > 0) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> constructor = c;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> break;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (constructor == null) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> throw new IllegalArgumentException("No valid constructor provided for class " + clazz);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> constructor.setAccessible(true);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> return (DualAsyncFSWAL) constructor.newInstance(CommonFSUtils.getWALFileSystem(conf),<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> ReplicationUtils.getRemoteWALFileSystem(conf, remoteWALDir),<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> CommonFSUtils.getWALRootDir(conf),<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> ReplicationUtils.getPeerRemoteWALDir(remoteWALDir, peerId),<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> getWALDirectoryName(factory.factoryId), getWALArchiveDirectoryName(conf, factory.factoryId),<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> conf, listeners, true, getLogPrefix(peerId), ReplicationUtils.SYNC_WAL_SUFFIX,<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> eventLoopGroup, channelClass);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> } catch (InstantiationException | IllegalAccessException e) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> throw new RuntimeException(e);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> } catch (InvocationTargetException e) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> Throwable cause = e.getTargetException();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> Throwables.propagateIfPossible(cause, IOException.class);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> throw new RuntimeException(cause);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> private DualAsyncFSWAL getWAL(String peerId, String remoteWALDir) throws IOException {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> Optional<DualAsyncFSWAL> opt = peerId2WAL.get(peerId);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> if (opt != null) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> return opt.orElse(null);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> Lock lock = createLock.acquireLock(peerId);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> try {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> opt = peerId2WAL.get(peerId);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> if (opt != null) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return opt.orElse(null);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> DualAsyncFSWAL wal = createWAL(peerId, remoteWALDir);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> boolean succ = false;<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> try {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> wal.init();<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> succ = true;<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> } finally {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> if (!succ) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> wal.close();<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> peerId2WAL.put(peerId, Optional.of(wal));<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return wal;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> } finally {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> lock.unlock();<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> @Override<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public WAL getWAL(RegionInfo region) throws IOException {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> if (region == null) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> return provider.getWAL(null);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> WAL wal = null;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> Optional<Pair<String, String>> peerIdAndRemoteWALDir =<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> peerInfoProvider.getPeerIdAndRemoteWALDir(region.getTable());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> if (peerIdAndRemoteWALDir.isPresent()) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> Pair<String, String> pair = peerIdAndRemoteWALDir.get();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> wal = getWAL(pair.getFirst(), pair.getSecond());<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> return wal != null ? wal : provider.getWAL(region);<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 Stream<WAL> getWALStream() {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return Streams.concat(<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> peerId2WAL.values().stream().filter(Optional::isPresent).map(Optional::get),<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> provider.getWALs().stream());<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> @Override<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> public List<WAL> getWALs() {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> return getWALStream().collect(Collectors.toList());<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> @Override<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> public void shutdown() throws IOException {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // save the last exception and rethrow<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> IOException failure = null;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> for (Optional<DualAsyncFSWAL> wal : peerId2WAL.values()) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> if (wal.isPresent()) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> try {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> wal.get().shutdown();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> } catch (IOException e) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> LOG.error("Shutdown WAL failed", e);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> failure = e;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> provider.shutdown();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (failure != null) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> throw failure;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> @Override<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> public void close() throws IOException {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> // save the last exception and rethrow<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> IOException failure = null;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> for (Optional<DualAsyncFSWAL> wal : peerId2WAL.values()) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (wal.isPresent()) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> try {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> wal.get().close();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> } catch (IOException e) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> LOG.error("Close WAL failed", e);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> failure = 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> provider.close();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> if (failure != null) {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> throw failure;<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><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> @Override<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public long getNumLogFiles() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return peerId2WAL.size() + provider.getNumLogFiles();<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> @Override<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public long getLogFileSize() {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> return peerId2WAL.values().stream().filter(Optional::isPresent).map(Optional::get)<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> .mapToLong(DualAsyncFSWAL::getLogFileSize).sum() + provider.getLogFileSize();<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> private void safeClose(WAL wal) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (wal != null) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> try {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> wal.close();<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> } catch (IOException e) {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> LOG.error("Close WAL failed", e);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<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> @Override<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> public void addWALActionsListener(WALActionsListener listener) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> listeners.add(listener);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> provider.addWALActionsListener(listener);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> @Override<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> public void peerSyncReplicationStateChange(String peerId, SyncReplicationState from,<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> SyncReplicationState to, int stage) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> if (from == SyncReplicationState.ACTIVE) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (stage == 0) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> Lock lock = createLock.acquireLock(peerId);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> try {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> Optional<DualAsyncFSWAL> opt = peerId2WAL.get(peerId);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> if (opt != null) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> opt.ifPresent(w -> w.skipRemoteWAL(to == SyncReplicationState.STANDBY));<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> } else {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // add a place holder to tell the getWAL caller do not use DualAsyncFSWAL any more.<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> peerId2WAL.put(peerId, Optional.empty());<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> } finally {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> lock.unlock();<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> } else if (stage == 1) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> peerId2WAL.remove(peerId).ifPresent(this::safeClose);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> private static class DefaultSyncReplicationPeerInfoProvider<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> implements SyncReplicationPeerInfoProvider {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> @Override<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> public Optional<Pair<String, String>> getPeerIdAndRemoteWALDir(TableName table) {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> return Optional.empty();<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> @Override<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> public boolean checkState(TableName table,<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> BiPredicate<SyncReplicationState, SyncReplicationState> checker) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> return false;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span><a name="line.321"></a> |
| <span class="sourceLineNo">322</span> private static final Pattern LOG_PREFIX_PATTERN = Pattern.compile(".*-\\d+-(.+)");<a name="line.322"></a> |
| <span class="sourceLineNo">323</span><a name="line.323"></a> |
| <span class="sourceLineNo">324</span> /**<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> * <p><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> * Returns the peer id if the wal file name is in the special group for a sync replication peer.<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * </p><a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * <p><a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * The prefix format is &lt;factoryId&gt;-&lt;ts&gt;-&lt;peerId&gt;.<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> * </p><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> */<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> public static Optional<String> getSyncReplicationPeerIdFromWALName(String name) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> if (!name.endsWith(ReplicationUtils.SYNC_WAL_SUFFIX)) {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> // fast path to return earlier if the name is not for a sync replication peer.<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> return Optional.empty();<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> String logPrefix = AbstractFSWALProvider.getWALPrefixFromWALName(name);<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> Matcher matcher = LOG_PREFIX_PATTERN.matcher(logPrefix);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> if (matcher.matches()) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> return Optional.of(matcher.group(1));<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> } else {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> return Optional.empty();<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> WALProvider getWrappedProvider() {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return provider;<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>}<a name="line.350"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
