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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.quotas;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Throttle;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.TimedQuota;</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29">/**</span> |
| <span class="source-line-no">030</span><span id="line-30"> * Simple time based limiter that checks the quota Throttle</span> |
| <span class="source-line-no">031</span><span id="line-31"> */</span> |
| <span class="source-line-no">032</span><span id="line-32">@InterfaceAudience.Private</span> |
| <span class="source-line-no">033</span><span id="line-33">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">034</span><span id="line-34">public class TimeBasedLimiter implements QuotaLimiter {</span> |
| <span class="source-line-no">035</span><span id="line-35"> private static final Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">036</span><span id="line-36"> private RateLimiter reqsLimiter = null;</span> |
| <span class="source-line-no">037</span><span id="line-37"> private RateLimiter reqSizeLimiter = null;</span> |
| <span class="source-line-no">038</span><span id="line-38"> private RateLimiter writeReqsLimiter = null;</span> |
| <span class="source-line-no">039</span><span id="line-39"> private RateLimiter writeSizeLimiter = null;</span> |
| <span class="source-line-no">040</span><span id="line-40"> private RateLimiter readReqsLimiter = null;</span> |
| <span class="source-line-no">041</span><span id="line-41"> private RateLimiter readSizeLimiter = null;</span> |
| <span class="source-line-no">042</span><span id="line-42"> private RateLimiter reqCapacityUnitLimiter = null;</span> |
| <span class="source-line-no">043</span><span id="line-43"> private RateLimiter writeCapacityUnitLimiter = null;</span> |
| <span class="source-line-no">044</span><span id="line-44"> private RateLimiter readCapacityUnitLimiter = null;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> private TimeBasedLimiter() {</span> |
| <span class="source-line-no">047</span><span id="line-47"> if (</span> |
| <span class="source-line-no">048</span><span id="line-48"> FixedIntervalRateLimiter.class.getName().equals(</span> |
| <span class="source-line-no">049</span><span id="line-49"> conf.getClass(RateLimiter.QUOTA_RATE_LIMITER_CONF_KEY, AverageIntervalRateLimiter.class)</span> |
| <span class="source-line-no">050</span><span id="line-50"> .getName())</span> |
| <span class="source-line-no">051</span><span id="line-51"> ) {</span> |
| <span class="source-line-no">052</span><span id="line-52"> long refillInterval = conf.getLong(FixedIntervalRateLimiter.RATE_LIMITER_REFILL_INTERVAL_MS,</span> |
| <span class="source-line-no">053</span><span id="line-53"> RateLimiter.DEFAULT_TIME_UNIT);</span> |
| <span class="source-line-no">054</span><span id="line-54"> reqsLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">055</span><span id="line-55"> reqSizeLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">056</span><span id="line-56"> writeReqsLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">057</span><span id="line-57"> writeSizeLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">058</span><span id="line-58"> readReqsLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">059</span><span id="line-59"> readSizeLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">060</span><span id="line-60"> reqCapacityUnitLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">061</span><span id="line-61"> writeCapacityUnitLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">062</span><span id="line-62"> readCapacityUnitLimiter = new FixedIntervalRateLimiter(refillInterval);</span> |
| <span class="source-line-no">063</span><span id="line-63"> } else {</span> |
| <span class="source-line-no">064</span><span id="line-64"> reqsLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">065</span><span id="line-65"> reqSizeLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">066</span><span id="line-66"> writeReqsLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">067</span><span id="line-67"> writeSizeLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">068</span><span id="line-68"> readReqsLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">069</span><span id="line-69"> readSizeLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">070</span><span id="line-70"> reqCapacityUnitLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">071</span><span id="line-71"> writeCapacityUnitLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">072</span><span id="line-72"> readCapacityUnitLimiter = new AverageIntervalRateLimiter();</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> static QuotaLimiter fromThrottle(final Throttle throttle) {</span> |
| <span class="source-line-no">077</span><span id="line-77"> TimeBasedLimiter limiter = new TimeBasedLimiter();</span> |
| <span class="source-line-no">078</span><span id="line-78"> boolean isBypass = true;</span> |
| <span class="source-line-no">079</span><span id="line-79"> if (throttle.hasReqNum()) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> setFromTimedQuota(limiter.reqsLimiter, throttle.getReqNum());</span> |
| <span class="source-line-no">081</span><span id="line-81"> isBypass = false;</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> if (throttle.hasReqSize()) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> setFromTimedQuota(limiter.reqSizeLimiter, throttle.getReqSize());</span> |
| <span class="source-line-no">086</span><span id="line-86"> isBypass = false;</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> if (throttle.hasWriteNum()) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> setFromTimedQuota(limiter.writeReqsLimiter, throttle.getWriteNum());</span> |
| <span class="source-line-no">091</span><span id="line-91"> isBypass = false;</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> if (throttle.hasWriteSize()) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> setFromTimedQuota(limiter.writeSizeLimiter, throttle.getWriteSize());</span> |
| <span class="source-line-no">096</span><span id="line-96"> isBypass = false;</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> if (throttle.hasReadNum()) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> setFromTimedQuota(limiter.readReqsLimiter, throttle.getReadNum());</span> |
| <span class="source-line-no">101</span><span id="line-101"> isBypass = false;</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> if (throttle.hasReadSize()) {</span> |
| <span class="source-line-no">105</span><span id="line-105"> setFromTimedQuota(limiter.readSizeLimiter, throttle.getReadSize());</span> |
| <span class="source-line-no">106</span><span id="line-106"> isBypass = false;</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> if (throttle.hasReqCapacityUnit()) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> setFromTimedQuota(limiter.reqCapacityUnitLimiter, throttle.getReqCapacityUnit());</span> |
| <span class="source-line-no">111</span><span id="line-111"> isBypass = false;</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> if (throttle.hasWriteCapacityUnit()) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> setFromTimedQuota(limiter.writeCapacityUnitLimiter, throttle.getWriteCapacityUnit());</span> |
| <span class="source-line-no">116</span><span id="line-116"> isBypass = false;</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> if (throttle.hasReadCapacityUnit()) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> setFromTimedQuota(limiter.readCapacityUnitLimiter, throttle.getReadCapacityUnit());</span> |
| <span class="source-line-no">121</span><span id="line-121"> isBypass = false;</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"> return isBypass ? NoopQuotaLimiter.get() : limiter;</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> public void update(final TimeBasedLimiter other) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> reqsLimiter.update(other.reqsLimiter);</span> |
| <span class="source-line-no">128</span><span id="line-128"> reqSizeLimiter.update(other.reqSizeLimiter);</span> |
| <span class="source-line-no">129</span><span id="line-129"> writeReqsLimiter.update(other.writeReqsLimiter);</span> |
| <span class="source-line-no">130</span><span id="line-130"> writeSizeLimiter.update(other.writeSizeLimiter);</span> |
| <span class="source-line-no">131</span><span id="line-131"> readReqsLimiter.update(other.readReqsLimiter);</span> |
| <span class="source-line-no">132</span><span id="line-132"> readSizeLimiter.update(other.readSizeLimiter);</span> |
| <span class="source-line-no">133</span><span id="line-133"> reqCapacityUnitLimiter.update(other.reqCapacityUnitLimiter);</span> |
| <span class="source-line-no">134</span><span id="line-134"> writeCapacityUnitLimiter.update(other.writeCapacityUnitLimiter);</span> |
| <span class="source-line-no">135</span><span id="line-135"> readCapacityUnitLimiter.update(other.readCapacityUnitLimiter);</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> private static void setFromTimedQuota(final RateLimiter limiter, final TimedQuota timedQuota) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> limiter.set(timedQuota.getSoftLimit(), ProtobufUtil.toTimeUnit(timedQuota.getTimeUnit()));</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> @Override</span> |
| <span class="source-line-no">143</span><span id="line-143"> public void checkQuota(long writeReqs, long estimateWriteSize, long readReqs,</span> |
| <span class="source-line-no">144</span><span id="line-144"> long estimateReadSize, long estimateWriteCapacityUnit, long estimateReadCapacityUnit)</span> |
| <span class="source-line-no">145</span><span id="line-145"> throws RpcThrottlingException {</span> |
| <span class="source-line-no">146</span><span id="line-146"> long waitInterval = reqsLimiter.getWaitIntervalMs(writeReqs + readReqs);</span> |
| <span class="source-line-no">147</span><span id="line-147"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> RpcThrottlingException.throwNumRequestsExceeded(waitInterval);</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"> waitInterval = reqSizeLimiter.getWaitIntervalMs(estimateWriteSize + estimateReadSize);</span> |
| <span class="source-line-no">151</span><span id="line-151"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> RpcThrottlingException.throwRequestSizeExceeded(waitInterval);</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"> waitInterval = reqCapacityUnitLimiter</span> |
| <span class="source-line-no">155</span><span id="line-155"> .getWaitIntervalMs(estimateWriteCapacityUnit + estimateReadCapacityUnit);</span> |
| <span class="source-line-no">156</span><span id="line-156"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> RpcThrottlingException.throwRequestCapacityUnitExceeded(waitInterval);</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> if (estimateWriteSize > 0) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> waitInterval = writeReqsLimiter.getWaitIntervalMs(writeReqs);</span> |
| <span class="source-line-no">162</span><span id="line-162"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> RpcThrottlingException.throwNumWriteRequestsExceeded(waitInterval);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"> waitInterval = writeSizeLimiter.getWaitIntervalMs(estimateWriteSize);</span> |
| <span class="source-line-no">166</span><span id="line-166"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> RpcThrottlingException.throwWriteSizeExceeded(waitInterval);</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"> waitInterval = writeCapacityUnitLimiter.getWaitIntervalMs(estimateWriteCapacityUnit);</span> |
| <span class="source-line-no">170</span><span id="line-170"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> RpcThrottlingException.throwWriteCapacityUnitExceeded(waitInterval);</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"></span> |
| <span class="source-line-no">175</span><span id="line-175"> if (estimateReadSize > 0) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> waitInterval = readReqsLimiter.getWaitIntervalMs(readReqs);</span> |
| <span class="source-line-no">177</span><span id="line-177"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">178</span><span id="line-178"> RpcThrottlingException.throwNumReadRequestsExceeded(waitInterval);</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> waitInterval = readSizeLimiter.getWaitIntervalMs(estimateReadSize);</span> |
| <span class="source-line-no">181</span><span id="line-181"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> RpcThrottlingException.throwReadSizeExceeded(waitInterval);</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"> waitInterval = readCapacityUnitLimiter.getWaitIntervalMs(estimateReadCapacityUnit);</span> |
| <span class="source-line-no">185</span><span id="line-185"> if (waitInterval > 0) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> RpcThrottlingException.throwReadCapacityUnitExceeded(waitInterval);</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> @Override</span> |
| <span class="source-line-no">192</span><span id="line-192"> public void grabQuota(long writeReqs, long writeSize, long readReqs, long readSize,</span> |
| <span class="source-line-no">193</span><span id="line-193"> long writeCapacityUnit, long readCapacityUnit) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> assert writeSize != 0 || readSize != 0;</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> reqsLimiter.consume(writeReqs + readReqs);</span> |
| <span class="source-line-no">197</span><span id="line-197"> reqSizeLimiter.consume(writeSize + readSize);</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> if (writeSize > 0) {</span> |
| <span class="source-line-no">200</span><span id="line-200"> writeReqsLimiter.consume(writeReqs);</span> |
| <span class="source-line-no">201</span><span id="line-201"> writeSizeLimiter.consume(writeSize);</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</span> |
| <span class="source-line-no">203</span><span id="line-203"> if (readSize > 0) {</span> |
| <span class="source-line-no">204</span><span id="line-204"> readReqsLimiter.consume(readReqs);</span> |
| <span class="source-line-no">205</span><span id="line-205"> readSizeLimiter.consume(readSize);</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"> if (writeCapacityUnit > 0) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> reqCapacityUnitLimiter.consume(writeCapacityUnit);</span> |
| <span class="source-line-no">209</span><span id="line-209"> writeCapacityUnitLimiter.consume(writeCapacityUnit);</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211"> if (readCapacityUnit > 0) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> reqCapacityUnitLimiter.consume(readCapacityUnit);</span> |
| <span class="source-line-no">213</span><span id="line-213"> readCapacityUnitLimiter.consume(readCapacityUnit);</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> @Override</span> |
| <span class="source-line-no">218</span><span id="line-218"> public void consumeWrite(final long size, long capacityUnit) {</span> |
| <span class="source-line-no">219</span><span id="line-219"> reqSizeLimiter.consume(size);</span> |
| <span class="source-line-no">220</span><span id="line-220"> writeSizeLimiter.consume(size);</span> |
| <span class="source-line-no">221</span><span id="line-221"> reqCapacityUnitLimiter.consume(capacityUnit);</span> |
| <span class="source-line-no">222</span><span id="line-222"> writeCapacityUnitLimiter.consume(capacityUnit);</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> @Override</span> |
| <span class="source-line-no">226</span><span id="line-226"> public void consumeRead(final long size, long capacityUnit) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> reqSizeLimiter.consume(size);</span> |
| <span class="source-line-no">228</span><span id="line-228"> readSizeLimiter.consume(size);</span> |
| <span class="source-line-no">229</span><span id="line-229"> reqCapacityUnitLimiter.consume(capacityUnit);</span> |
| <span class="source-line-no">230</span><span id="line-230"> readCapacityUnitLimiter.consume(capacityUnit);</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> @Override</span> |
| <span class="source-line-no">234</span><span id="line-234"> public boolean isBypass() {</span> |
| <span class="source-line-no">235</span><span id="line-235"> return false;</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> @Override</span> |
| <span class="source-line-no">239</span><span id="line-239"> public long getWriteAvailable() {</span> |
| <span class="source-line-no">240</span><span id="line-240"> return writeSizeLimiter.getAvailable();</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"></span> |
| <span class="source-line-no">243</span><span id="line-243"> @Override</span> |
| <span class="source-line-no">244</span><span id="line-244"> public long getRequestNumLimit() {</span> |
| <span class="source-line-no">245</span><span id="line-245"> long readAndWriteLimit = readReqsLimiter.getLimit() + writeReqsLimiter.getLimit();</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> if (readAndWriteLimit < 0) { // handle overflow</span> |
| <span class="source-line-no">248</span><span id="line-248"> readAndWriteLimit = Long.MAX_VALUE;</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"></span> |
| <span class="source-line-no">251</span><span id="line-251"> return Math.min(reqsLimiter.getLimit(), readAndWriteLimit);</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"></span> |
| <span class="source-line-no">254</span><span id="line-254"> @Override</span> |
| <span class="source-line-no">255</span><span id="line-255"> public long getReadNumLimit() {</span> |
| <span class="source-line-no">256</span><span id="line-256"> return readReqsLimiter.getLimit();</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> @Override</span> |
| <span class="source-line-no">260</span><span id="line-260"> public long getWriteNumLimit() {</span> |
| <span class="source-line-no">261</span><span id="line-261"> return writeReqsLimiter.getLimit();</span> |
| <span class="source-line-no">262</span><span id="line-262"> }</span> |
| <span class="source-line-no">263</span><span id="line-263"></span> |
| <span class="source-line-no">264</span><span id="line-264"> @Override</span> |
| <span class="source-line-no">265</span><span id="line-265"> public long getReadAvailable() {</span> |
| <span class="source-line-no">266</span><span id="line-266"> return readSizeLimiter.getAvailable();</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"></span> |
| <span class="source-line-no">269</span><span id="line-269"> @Override</span> |
| <span class="source-line-no">270</span><span id="line-270"> public long getReadLimit() {</span> |
| <span class="source-line-no">271</span><span id="line-271"> return Math.min(readSizeLimiter.getLimit(), reqSizeLimiter.getLimit());</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> @Override</span> |
| <span class="source-line-no">275</span><span id="line-275"> public long getWriteLimit() {</span> |
| <span class="source-line-no">276</span><span id="line-276"> return Math.min(writeSizeLimiter.getLimit(), reqSizeLimiter.getLimit());</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"></span> |
| <span class="source-line-no">279</span><span id="line-279"> @Override</span> |
| <span class="source-line-no">280</span><span id="line-280"> public String toString() {</span> |
| <span class="source-line-no">281</span><span id="line-281"> StringBuilder builder = new StringBuilder();</span> |
| <span class="source-line-no">282</span><span id="line-282"> builder.append("TimeBasedLimiter(");</span> |
| <span class="source-line-no">283</span><span id="line-283"> if (!reqsLimiter.isBypass()) {</span> |
| <span class="source-line-no">284</span><span id="line-284"> builder.append("reqs=" + reqsLimiter);</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> if (!reqSizeLimiter.isBypass()) {</span> |
| <span class="source-line-no">287</span><span id="line-287"> builder.append(" resSize=" + reqSizeLimiter);</span> |
| <span class="source-line-no">288</span><span id="line-288"> }</span> |
| <span class="source-line-no">289</span><span id="line-289"> if (!writeReqsLimiter.isBypass()) {</span> |
| <span class="source-line-no">290</span><span id="line-290"> builder.append(" writeReqs=" + writeReqsLimiter);</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"> if (!writeSizeLimiter.isBypass()) {</span> |
| <span class="source-line-no">293</span><span id="line-293"> builder.append(" writeSize=" + writeSizeLimiter);</span> |
| <span class="source-line-no">294</span><span id="line-294"> }</span> |
| <span class="source-line-no">295</span><span id="line-295"> if (!readReqsLimiter.isBypass()) {</span> |
| <span class="source-line-no">296</span><span id="line-296"> builder.append(" readReqs=" + readReqsLimiter);</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> if (!readSizeLimiter.isBypass()) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> builder.append(" readSize=" + readSizeLimiter);</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"> if (!reqCapacityUnitLimiter.isBypass()) {</span> |
| <span class="source-line-no">302</span><span id="line-302"> builder.append(" reqCapacityUnit=" + reqCapacityUnitLimiter);</span> |
| <span class="source-line-no">303</span><span id="line-303"> }</span> |
| <span class="source-line-no">304</span><span id="line-304"> if (!writeCapacityUnitLimiter.isBypass()) {</span> |
| <span class="source-line-no">305</span><span id="line-305"> builder.append(" writeCapacityUnit=" + writeCapacityUnitLimiter);</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (!readCapacityUnitLimiter.isBypass()) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> builder.append(" readCapacityUnit=" + readCapacityUnitLimiter);</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"> builder.append(')');</span> |
| <span class="source-line-no">311</span><span id="line-311"> return builder.toString();</span> |
| <span class="source-line-no">312</span><span id="line-312"> }</span> |
| <span class="source-line-no">313</span><span id="line-313">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
