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test/org/apache/tomcat/util/http/TesterCookiesPerformance.java

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+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.apache.tomcat.util.http;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.apache.tomcat.util.buf.MessageBytes;
+
+public class TesterCookiesPerformance {
+
+    @Test
+    public void testPerformance01() throws Exception {
+        final int cookieCount = 100;
+        final int parsingLoops = 200000;
+
+        MimeHeaders mimeHeaders = new MimeHeaders();
+
+        StringBuilder cookieHeader = new StringBuilder();
+        // Create cookies
+        for (int i = 0; i < cookieCount; i++) {
+            cookieHeader.append("name");
+            cookieHeader.append(i);
+            cookieHeader.append('=');
+            cookieHeader.append("value");
+            cookieHeader.append(i);
+            cookieHeader.append(';');
+        }
+
+        byte[] cookieHeaderBytes = cookieHeader.toString().getBytes("UTF-8");
+
+        MessageBytes headerValue = mimeHeaders.addValue("Cookie");
+        headerValue.setBytes(cookieHeaderBytes, 0, cookieHeaderBytes.length);
+        ServerCookies serverCookies = new ServerCookies(4);
+
+        LegacyCookieProcessor originalCookieProcessor = new LegacyCookieProcessor();
+        Rfc6265CookieProcessor rfc6265CookieProcessor = new Rfc6265CookieProcessor();
+
+        // warm up
+        for (int i = 0; i < parsingLoops; i++) {
+            originalCookieProcessor.parseCookieHeader(mimeHeaders, serverCookies);
+            Assert.assertEquals(cookieCount, serverCookies.getCookieCount());
+            serverCookies.recycle();
+        }
+
+        long oldStart = System.nanoTime();
+        for (int i = 0; i < parsingLoops; i++) {
+            originalCookieProcessor.parseCookieHeader(mimeHeaders, serverCookies);
+            Assert.assertEquals(cookieCount, serverCookies.getCookieCount());
+            serverCookies.recycle();
+        }
+        long oldDuration = System.nanoTime() - oldStart;
+
+        long newStart = System.nanoTime();
+        for (int i = 0; i < parsingLoops; i++) {
+            rfc6265CookieProcessor.parseCookieHeader(mimeHeaders, serverCookies);
+            Assert.assertEquals(cookieCount, serverCookies.getCookieCount());
+            serverCookies.recycle();
+        }
+        long newDuration = System.nanoTime() - newStart;
+
+        System.out.println("Original duration: " + oldDuration);
+        System.out.println("RFC6265 duration:  " + newDuration);
+    }
+}