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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.parser;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import org.apache.tomcat.util.buf.MessageBytes;
@RunWith(Parameterized.class)
public class TesterHostPerformance {
@Parameters
public static Collection<Object[]> inputs() {
List<Object[]> result = new ArrayList<>();
result.add(new Object[] { "localhost" });
result.add(new Object[] { "tomcat.apache.org" });
result.add(new Object[] { "tomcat.apache.org." });
result.add(new Object[] { "127.0.0.1" });
result.add(new Object[] { "255.255.255.255" });
result.add(new Object[] { "[::1]" });
result.add(new Object[] { "[0123:4567:89AB:CDEF:0123:4567:89AB:CDEF]" });
return result;
}
@Parameter(0)
public String hostname;
private static final int ITERATIONS = 100000000;
@Test
public void testParseHost() throws Exception {
long start = System.nanoTime();
for (int i = 0; i < ITERATIONS; i++) {
Host.parse(hostname);
}
long time = System.nanoTime() - start;
System.out.println("St " + hostname + ": " + ITERATIONS + " iterations in " + time + "ns");
System.out.println("St " + hostname + ": " + ITERATIONS * 1000000000.0/time + " iterations per second");
MessageBytes mb = MessageBytes.newInstance();
mb.setString(hostname);
mb.toBytes();
start = System.nanoTime();
for (int i = 0; i < ITERATIONS; i++) {
Host.parse(mb);
}
time = System.nanoTime() - start;
System.out.println("MB " + hostname + ": " + ITERATIONS + " iterations in " + time + "ns");
System.out.println("MB " + hostname + ": " + ITERATIONS * 1000000000.0/time + " iterations per second");
}
}
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