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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.io;<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.io.ByteBuffAllocator.HEAP;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.io.ByteBuffAllocator.getHeapAllocationRatio;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertFalse;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.assertSame;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.junit.Assert.assertTrue;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import static org.junit.Assert.fail;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.nio.ByteBuffer;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.testclassification.RPCTests;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.Assert;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.junit.ClassRule;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span>@Category({ RPCTests.class, SmallTests.class })<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class TestByteBuffAllocator {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> @ClassRule<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> HBaseClassTestRule.forClass(TestByteBuffAllocator.class);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> @Test<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public void testRecycleOnlyPooledBuffers() {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> int maxBuffersInPool = 10;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> int bufSize = 1024;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> int minSize = bufSize / 8;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> ByteBuffAllocator alloc = new ByteBuffAllocator(true, maxBuffersInPool, bufSize, minSize);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> ByteBuff buff = alloc.allocate(minSize - 1);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> assertSame(ByteBuffAllocator.NONE, buff.getRefCnt().getRecycler());<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> alloc = new ByteBuffAllocator(true, 0, bufSize, minSize);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> buff = alloc.allocate(minSize * 2);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> assertSame(ByteBuffAllocator.NONE, buff.getRefCnt().getRecycler());<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> @Test<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> public void testAllocateByteBuffToReadInto() {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> int maxBuffersInPool = 10;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> int bufSize = 6 * 1024;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> ByteBuffAllocator alloc = new ByteBuffAllocator(true, maxBuffersInPool, bufSize, bufSize / 6);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> assertEquals(0, alloc.getUsedBufferCount());<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> ByteBuff buff = alloc.allocate(10 * bufSize);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> assertEquals(61440, alloc.getPoolAllocationBytes());<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> assertEquals(0, alloc.getHeapAllocationBytes());<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> buff.release();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> // When the request size is less than 1/6th of the pool buffer size. We should use on demand<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> // created on heap Buffer<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> buff = alloc.allocate(200);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> assertTrue(buff.hasArray());<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> assertEquals(maxBuffersInPool, alloc.getFreeBufferCount());<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> assertEquals(maxBuffersInPool, alloc.getTotalBufferCount());<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> assertEquals(61440, alloc.getPoolAllocationBytes());<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> assertEquals(200, alloc.getHeapAllocationBytes());<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> buff.release();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // When the request size is > 1/6th of the pool buffer size.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> buff = alloc.allocate(1024);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> assertFalse(buff.hasArray());<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> assertEquals(maxBuffersInPool - 1, alloc.getFreeBufferCount());<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> assertEquals(67584, alloc.getPoolAllocationBytes());<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> assertEquals(200, alloc.getHeapAllocationBytes());<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> buff.release();// ByteBuff Recycler#free should put back the BB to pool.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> assertEquals(maxBuffersInPool, alloc.getFreeBufferCount());<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // Request size> pool buffer size<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> buff = alloc.allocate(7 * 1024);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> assertFalse(buff.hasArray());<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> assertTrue(buff instanceof MultiByteBuff);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> ByteBuffer[] bbs = buff.nioByteBuffers();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> assertEquals(2, bbs.length);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> assertTrue(bbs[0].isDirect());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> assertTrue(bbs[1].isDirect());<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> assertEquals(6 * 1024, bbs[0].limit());<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> assertEquals(1024, bbs[1].limit());<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> assertEquals(maxBuffersInPool - 2, alloc.getFreeBufferCount());<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> assertEquals(79872, alloc.getPoolAllocationBytes());<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> assertEquals(200, alloc.getHeapAllocationBytes());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> buff.release();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> assertEquals(maxBuffersInPool, alloc.getFreeBufferCount());<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> buff = alloc.allocate(6 * 1024 + 200);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> assertFalse(buff.hasArray());<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> assertTrue(buff instanceof MultiByteBuff);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> bbs = buff.nioByteBuffers();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> assertEquals(2, bbs.length);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> assertTrue(bbs[0].isDirect());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> assertFalse(bbs[1].isDirect());<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> assertEquals(6 * 1024, bbs[0].limit());<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> assertEquals(200, bbs[1].limit());<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> assertEquals(maxBuffersInPool - 1, alloc.getFreeBufferCount());<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> assertEquals(86016, alloc.getPoolAllocationBytes());<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> assertEquals(400, alloc.getHeapAllocationBytes());<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> buff.release();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> assertEquals(maxBuffersInPool, alloc.getFreeBufferCount());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> alloc.allocate(bufSize * (maxBuffersInPool - 1));<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> assertEquals(141312, alloc.getPoolAllocationBytes());<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> assertEquals(400, alloc.getHeapAllocationBytes());<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> buff = alloc.allocate(20 * 1024);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> assertFalse(buff.hasArray());<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> assertTrue(buff instanceof MultiByteBuff);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> bbs = buff.nioByteBuffers();<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> assertEquals(2, bbs.length);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> assertTrue(bbs[0].isDirect());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> assertFalse(bbs[1].isDirect());<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> assertEquals(6 * 1024, bbs[0].limit());<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> assertEquals(14 * 1024, bbs[1].limit());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> assertEquals(0, alloc.getFreeBufferCount());<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> assertEquals(147456, alloc.getPoolAllocationBytes());<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> assertEquals(14736, alloc.getHeapAllocationBytes());<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> buff.release();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> assertEquals(1, alloc.getFreeBufferCount());<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> alloc.allocateOneBuffer();<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> assertEquals(153600, alloc.getPoolAllocationBytes());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> assertEquals(14736, alloc.getHeapAllocationBytes());<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> buff = alloc.allocate(7 * 1024);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> assertTrue(buff.hasArray());<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> assertTrue(buff instanceof SingleByteBuff);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> assertEquals(7 * 1024, buff.nioByteBuffers()[0].limit());<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> assertEquals(153600, alloc.getPoolAllocationBytes());<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> assertEquals(21904, alloc.getHeapAllocationBytes());<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> assertEquals(10, alloc.getUsedBufferCount());<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> buff.release();<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> @Test<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> public void testNegativeAllocatedSize() {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> int maxBuffersInPool = 10;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> ByteBuffAllocator allocator = new ByteBuffAllocator(true, maxBuffersInPool, 6 * 1024, 1024);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> try {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> allocator.allocate(-1);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> fail("Should throw exception when size < 0");<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> } catch (IllegalArgumentException e) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // expected exception<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> ByteBuff bb = allocator.allocate(0);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> assertEquals(0, allocator.getHeapAllocationBytes());<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> bb.release();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> @Test<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public void testAllocateOneBuffer() {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // Allocate from on-heap<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> ByteBuffAllocator allocator = HEAP;<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> ByteBuff buf = allocator.allocateOneBuffer();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> assertTrue(buf.hasArray());<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> assertEquals(ByteBuffAllocator.DEFAULT_BUFFER_SIZE, buf.remaining());<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> buf.release();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Allocate from off-heap<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> int bufSize = 10;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> allocator = new ByteBuffAllocator(true, 1, 10, 3);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> buf = allocator.allocateOneBuffer();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> assertFalse(buf.hasArray());<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> assertEquals(buf.remaining(), bufSize);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // The another one will be allocated from on-heap because the pool has only one ByteBuffer,<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> // and still not be cleaned.<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> ByteBuff buf2 = allocator.allocateOneBuffer();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> assertTrue(buf2.hasArray());<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> assertEquals(buf2.remaining(), bufSize);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> // free the first one<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> buf.release();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // The next one will be off-heap again.<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> buf = allocator.allocateOneBuffer();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> assertFalse(buf.hasArray());<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> assertEquals(buf.remaining(), bufSize);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> buf.release();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> @Test<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> public void testReferenceCount() {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> int bufSize = 64;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> ByteBuffAllocator alloc = new ByteBuffAllocator(true, 2, bufSize, 3);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> ByteBuff buf1 = alloc.allocate(bufSize * 2);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> assertFalse(buf1.hasArray());<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> // The next one will be allocated from heap<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> ByteBuff buf2 = alloc.allocateOneBuffer();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> assertTrue(buf2.hasArray());<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // duplicate the buf2, if the dup released, buf2 will also be released (SingleByteBuffer)<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> ByteBuff dup2 = buf2.duplicate();<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> dup2.release();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> assertEquals(0, buf2.refCnt());<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> assertEquals(0, dup2.refCnt());<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> assertEquals(0, alloc.getFreeBufferCount());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> // these should not throw an exception because they are heap buffers.<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // off-heap buffers would throw an exception if trying to call a method once released.<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> dup2.position();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> buf2.position();<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // duplicate the buf1, if the dup1 released, buf1 will also be released (MultipleByteBuffer)<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> ByteBuff dup1 = buf1.duplicate();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> dup1.release();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> assertEquals(0, buf1.refCnt());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> assertEquals(0, dup1.refCnt());<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertException(dup1::position);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> assertException(buf1::position);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // slice the buf3, if the slice3 released, buf3 will also be released (SingleByteBuffer)<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> ByteBuff buf3 = alloc.allocateOneBuffer();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> assertFalse(buf3.hasArray());<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> ByteBuff slice3 = buf3.slice();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> slice3.release();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> assertEquals(0, buf3.refCnt());<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> assertEquals(0, slice3.refCnt());<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> // slice the buf4, if the slice4 released, buf4 will also be released (MultipleByteBuffer)<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> ByteBuff buf4 = alloc.allocate(bufSize * 2);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> assertFalse(buf4.hasArray());<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> ByteBuff slice4 = buf4.slice();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> slice4.release();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> assertEquals(0, buf4.refCnt());<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> assertEquals(0, slice4.refCnt());<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.254"></a> |
| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // Test multiple reference for the same ByteBuff (SingleByteBuff)<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> ByteBuff buf5 = alloc.allocateOneBuffer();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> ByteBuff slice5 = buf5.duplicate().duplicate().duplicate().slice().slice();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> slice5.release();<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> assertEquals(0, buf5.refCnt());<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> assertEquals(0, slice5.refCnt());<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> assertException(slice5::position);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> assertException(buf5::position);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> // Test multiple reference for the same ByteBuff (SingleByteBuff)<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> ByteBuff buf6 = alloc.allocate(bufSize >> 2);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> ByteBuff slice6 = buf6.duplicate().duplicate().duplicate().slice().slice();<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> slice6.release();<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> assertEquals(0, buf6.refCnt());<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> assertEquals(0, slice6.refCnt());<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // Test retain the parent SingleByteBuff (duplicate)<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> ByteBuff parent = alloc.allocateOneBuffer();<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> ByteBuff child = parent.duplicate();<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> child.retain();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> parent.release();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> assertEquals(1, child.refCnt());<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> assertEquals(1, parent.refCnt());<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> assertEquals(1, alloc.getFreeBufferCount());<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> parent.release();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> assertEquals(0, child.refCnt());<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> assertEquals(0, parent.refCnt());<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> // Test retain parent MultiByteBuff (duplicate)<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> parent = alloc.allocate(bufSize << 1);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> child = parent.duplicate();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> child.retain();<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> parent.release();<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> assertEquals(1, child.refCnt());<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> assertEquals(1, parent.refCnt());<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> assertEquals(0, alloc.getFreeBufferCount());<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> parent.release();<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> assertEquals(0, child.refCnt());<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> assertEquals(0, parent.refCnt());<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> // Test retain the parent SingleByteBuff (slice)<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> parent = alloc.allocateOneBuffer();<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> child = parent.slice();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> child.retain();<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> parent.release();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> assertEquals(1, child.refCnt());<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> assertEquals(1, parent.refCnt());<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> assertEquals(1, alloc.getFreeBufferCount());<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> parent.release();<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> assertEquals(0, child.refCnt());<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> assertEquals(0, parent.refCnt());<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> // Test retain parent MultiByteBuff (slice)<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> parent = alloc.allocate(bufSize << 1);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> child = parent.slice();<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> child.retain();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> parent.release();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> assertEquals(1, child.refCnt());<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> assertEquals(1, parent.refCnt());<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> assertEquals(0, alloc.getFreeBufferCount());<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> parent.release();<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> assertEquals(0, child.refCnt());<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> assertEquals(0, parent.refCnt());<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> assertEquals(2, alloc.getFreeBufferCount());<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> @Test<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> public void testReverseRef() {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> int bufSize = 64;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> ByteBuffAllocator alloc = new ByteBuffAllocator(true, 1, bufSize, 3);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> ByteBuff buf1 = alloc.allocate(bufSize);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> ByteBuff dup1 = buf1.duplicate();<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> assertEquals(1, buf1.refCnt());<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> assertEquals(1, dup1.refCnt());<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> buf1.release();<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> assertEquals(0, buf1.refCnt());<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> assertEquals(0, dup1.refCnt());<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> assertEquals(1, alloc.getFreeBufferCount());<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> assertException(buf1::position);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> assertException(dup1::position);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span><a name="line.342"></a> |
| <span class="sourceLineNo">343</span> @Test<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> public void testByteBuffUnsupportedMethods() {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> int bufSize = 64;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> ByteBuffAllocator alloc = new ByteBuffAllocator(true, 1, bufSize, 3);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> ByteBuff buf = alloc.allocate(bufSize);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> assertException(() -> buf.retain(2));<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> assertException(() -> buf.release(2));<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> private void assertException(Runnable r) {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> try {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> r.run();<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> fail();<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> } catch (Exception e) {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> // expected exception.<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span><a name="line.360"></a> |
| <span class="sourceLineNo">361</span> @Test<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> public void testDeprecatedConfigs() {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> Configuration conf = HBaseConfiguration.create();<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> conf.setInt(ByteBuffAllocator.DEPRECATED_MAX_BUFFER_COUNT_KEY, 10);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> conf.setInt(ByteBuffAllocator.DEPRECATED_BUFFER_SIZE_KEY, 1024);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> ByteBuffAllocator allocator = ByteBuffAllocator.create(conf, true);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> Assert.assertEquals(1024, allocator.getBufferSize());<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> Assert.assertEquals(10, allocator.getTotalBufferCount());<a name="line.368"></a> |
| <span class="sourceLineNo">369</span><a name="line.369"></a> |
| <span class="sourceLineNo">370</span> conf = new Configuration();<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> conf.setInt(ByteBuffAllocator.MAX_BUFFER_COUNT_KEY, 11);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> conf.setInt(ByteBuffAllocator.BUFFER_SIZE_KEY, 2048);<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> allocator = ByteBuffAllocator.create(conf, true);<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> Assert.assertEquals(2048, allocator.getBufferSize());<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> Assert.assertEquals(11, allocator.getTotalBufferCount());<a name="line.375"></a> |
| <span class="sourceLineNo">376</span><a name="line.376"></a> |
| <span class="sourceLineNo">377</span> conf = new Configuration();<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> conf.setBoolean(ByteBuffAllocator.DEPRECATED_ALLOCATOR_POOL_ENABLED_KEY, false);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> Assert.assertFalse(conf.getBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, true));<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> conf.setBoolean(ByteBuffAllocator.DEPRECATED_ALLOCATOR_POOL_ENABLED_KEY, true);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> Assert.assertTrue(conf.getBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, false));<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> conf.setBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, true);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> Assert.assertTrue(conf.getBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, false));<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> conf.setBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, false);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> Assert.assertFalse(conf.getBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, true));<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span><a name="line.387"></a> |
| <span class="sourceLineNo">388</span> @Test<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> public void testHeapAllocationRatio() {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> Configuration conf = new Configuration();<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> conf.setInt(ByteBuffAllocator.MAX_BUFFER_COUNT_KEY, 11);<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> conf.setInt(ByteBuffAllocator.BUFFER_SIZE_KEY, 2048);<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> ByteBuffAllocator alloc1 = ByteBuffAllocator.create(conf, true);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> Assert.assertEquals(getHeapAllocationRatio(alloc1), 0.0f, 1e-6);<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> alloc1.allocate(1);<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> Assert.assertEquals(getHeapAllocationRatio(alloc1), 1.0f, 1e-6);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> alloc1.allocate(2048 / 6 - 1);<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> Assert.assertEquals(getHeapAllocationRatio(alloc1), 1.0f, 1e-6);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> alloc1.allocate(24);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> alloc1.allocate(1024);<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> Assert.assertEquals(getHeapAllocationRatio(alloc1), 24 / (24f + 2048), 1e-6);<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> Assert.assertEquals(getHeapAllocationRatio(alloc1), 0.0f, 1e-6);<a name="line.404"></a> |
| <span class="sourceLineNo">405</span><a name="line.405"></a> |
| <span class="sourceLineNo">406</span> // Allocate something from HEAP<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> HEAP.allocate(1024);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> alloc1.allocate(24);<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> alloc1.allocate(1024);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> Assert.assertEquals(getHeapAllocationRatio(HEAP, alloc1), (1024f + 24) / (1024f + 24 + 2048),<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> 1e-6);<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> Assert.assertEquals(getHeapAllocationRatio(HEAP, alloc1), 0.0f, 1e-6);<a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> // Check duplicated heap allocator, say even if we passed (HEAP, HEAP, alloc1), it will only<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> // caculate the allocation from (HEAP, alloc1).<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> HEAP.allocate(1024);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> alloc1.allocate(1024);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> Assert.assertEquals(getHeapAllocationRatio(HEAP, HEAP, alloc1), 1024f / (1024f + 2048f), 1e-6);<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> /**<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> * Tests that we only call the logic in checkRefCount for ByteBuff's that have a non-NONE<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * recycler.<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> */<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> @Test<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> public void testCheckRefCountOnlyWithRecycler() {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> TrackingSingleByteBuff singleBuff = new TrackingSingleByteBuff(ByteBuffer.allocate(1));<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> singleBuff.get();<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> assertEquals(1, singleBuff.getCheckRefCountCalls());<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> assertEquals(0, singleBuff.getRefCntCalls());<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> singleBuff = new TrackingSingleByteBuff(() -> {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> // do nothing, just so we dont use NONE recycler<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }, ByteBuffer.allocate(1));<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> singleBuff.get();<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> assertEquals(1, singleBuff.getCheckRefCountCalls());<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> assertEquals(1, singleBuff.getRefCntCalls());<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> TrackingMultiByteBuff multiBuff = new TrackingMultiByteBuff(ByteBuffer.allocate(1));<a name="line.438"></a> |
| <span class="sourceLineNo">439</span><a name="line.439"></a> |
| <span class="sourceLineNo">440</span> multiBuff.get();<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> assertEquals(1, multiBuff.getCheckRefCountCalls());<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> assertEquals(0, multiBuff.getRefCntCalls());<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> multiBuff = new TrackingMultiByteBuff(() -> {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> // do nothing, just so we dont use NONE recycler<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }, ByteBuffer.allocate(1));<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> multiBuff.get();<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> assertEquals(1, multiBuff.getCheckRefCountCalls());<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> assertEquals(1, multiBuff.getRefCntCalls());<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> }<a name="line.449"></a> |
| <span class="sourceLineNo">450</span><a name="line.450"></a> |
| <span class="sourceLineNo">451</span> private static class TrackingSingleByteBuff extends SingleByteBuff {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span><a name="line.452"></a> |
| <span class="sourceLineNo">453</span> int refCntCalls = 0;<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> int checkRefCountCalls = 0;<a name="line.454"></a> |
| <span class="sourceLineNo">455</span><a name="line.455"></a> |
| <span class="sourceLineNo">456</span> public TrackingSingleByteBuff(ByteBuffer buf) {<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> super(buf);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> }<a name="line.458"></a> |
| <span class="sourceLineNo">459</span><a name="line.459"></a> |
| <span class="sourceLineNo">460</span> public TrackingSingleByteBuff(ByteBuffAllocator.Recycler recycler, ByteBuffer buf) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> super(recycler, buf);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> }<a name="line.462"></a> |
| <span class="sourceLineNo">463</span><a name="line.463"></a> |
| <span class="sourceLineNo">464</span> public int getRefCntCalls() {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> return refCntCalls;<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span><a name="line.467"></a> |
| <span class="sourceLineNo">468</span> public int getCheckRefCountCalls() {<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> return checkRefCountCalls;<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> }<a name="line.470"></a> |
| <span class="sourceLineNo">471</span><a name="line.471"></a> |
| <span class="sourceLineNo">472</span> @Override<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> protected void checkRefCount() {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> checkRefCountCalls++;<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> super.checkRefCount();<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> }<a name="line.476"></a> |
| <span class="sourceLineNo">477</span><a name="line.477"></a> |
| <span class="sourceLineNo">478</span> @Override<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> public int refCnt() {<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> refCntCalls++;<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> return super.refCnt();<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> private static class TrackingMultiByteBuff extends MultiByteBuff {<a name="line.485"></a> |
| <span class="sourceLineNo">486</span><a name="line.486"></a> |
| <span class="sourceLineNo">487</span> int refCntCalls = 0;<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> int checkRefCountCalls = 0;<a name="line.488"></a> |
| <span class="sourceLineNo">489</span><a name="line.489"></a> |
| <span class="sourceLineNo">490</span> public TrackingMultiByteBuff(ByteBuffer... items) {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> super(items);<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> }<a name="line.492"></a> |
| <span class="sourceLineNo">493</span><a name="line.493"></a> |
| <span class="sourceLineNo">494</span> public TrackingMultiByteBuff(ByteBuffAllocator.Recycler recycler, ByteBuffer... items) {<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> super(recycler, items);<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> }<a name="line.496"></a> |
| <span class="sourceLineNo">497</span><a name="line.497"></a> |
| <span class="sourceLineNo">498</span> public int getRefCntCalls() {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> return refCntCalls;<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> }<a name="line.500"></a> |
| <span class="sourceLineNo">501</span><a name="line.501"></a> |
| <span class="sourceLineNo">502</span> public int getCheckRefCountCalls() {<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> return checkRefCountCalls;<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span><a name="line.505"></a> |
| <span class="sourceLineNo">506</span> @Override<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> protected void checkRefCount() {<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> checkRefCountCalls++;<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> super.checkRefCount();<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> }<a name="line.510"></a> |
| <span class="sourceLineNo">511</span><a name="line.511"></a> |
| <span class="sourceLineNo">512</span> @Override<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> public int refCnt() {<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> refCntCalls++;<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> return super.refCnt();<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> }<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> }<a name="line.517"></a> |
| <span class="sourceLineNo">518</span><a name="line.518"></a> |
| <span class="sourceLineNo">519</span>}<a name="line.519"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
