136 lines
4.5 KiB
Java
136 lines
4.5 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.java.net;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.StandardProtocolFamily;
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import java.net.UnixDomainSocketAddress;
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import java.nio.channels.ClosedChannelException;
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import java.nio.channels.ServerSocketChannel;
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import java.nio.channels.SocketChannel;
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import java.nio.file.*;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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import org.openjdk.jmh.annotations.*;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.RunnerException;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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/**
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* Measures connection setup times
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*/
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@BenchmarkMode(Mode.SingleShotTime)
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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@State(Scope.Thread)
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@Warmup(iterations = 5, time = 1)
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@Measurement(iterations = 5, time = 1)
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@Fork(value = 3)
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public class SocketChannelConnectionSetup {
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private ServerSocketChannel ssc;
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private SocketChannel s1, s2;
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private static volatile String tempDir;
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private static final AtomicInteger count = new AtomicInteger(0);
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private volatile Path socket;
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@Param({"inet", "unix"})
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private volatile String family;
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static {
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try {
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Path p = Files.createTempDirectory("readWriteTest");
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tempDir = p.toString();
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} catch (IOException e) {
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tempDir = null;
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}
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}
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private ServerSocketChannel getServerSocketChannel() throws IOException {
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if (family.equals("inet"))
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return getInetServerSocketChannel();
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else if (family.equals("unix"))
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return getUnixServerSocketChannel();
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throw new InternalError();
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}
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private ServerSocketChannel getInetServerSocketChannel() throws IOException {
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InetAddress iaddr = InetAddress.getLoopbackAddress();
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return ServerSocketChannel.open().bind(null);
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}
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private ServerSocketChannel getUnixServerSocketChannel() throws IOException {
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int next = count.incrementAndGet();
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socket = Paths.get(tempDir, Integer.toString(next));
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UnixDomainSocketAddress addr = UnixDomainSocketAddress.of(socket);
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return ServerSocketChannel.open(StandardProtocolFamily.UNIX).bind(addr);
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}
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@Setup(Level.Trial)
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public void beforeRun() throws IOException {
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ssc = getServerSocketChannel();
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}
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@TearDown(Level.Trial)
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public void afterRun() throws IOException, InterruptedException {
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ssc.close();
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if (family.equals("unix")) {
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Files.delete(socket);
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Files.delete(Path.of(tempDir));
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}
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}
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@Benchmark
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@Measurement(iterations = 5, batchSize=200)
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public void test() throws IOException {
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s1 = SocketChannel.open(ssc.getLocalAddress());
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s2 = ssc.accept();
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s1.close();
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s2.close();
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}
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public static void main(String[] args) throws RunnerException {
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Options opt = new OptionsBuilder()
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.include(org.openjdk.bench.java.net.SocketChannelConnectionSetup.class.getSimpleName())
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.warmupForks(1)
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.forks(2)
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.build();
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new Runner(opt).run();
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opt = new OptionsBuilder()
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.include(org.openjdk.bench.java.net.SocketChannelConnectionSetup.class.getSimpleName())
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.jvmArgs("-Djdk.net.useFastTcpLoopback=true")
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.warmupForks(1)
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.forks(2)
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.build();
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new Runner(opt).run();
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}
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}
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