1244 lines
48 KiB
Java
1244 lines
48 KiB
Java
/*
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* Copyright (c) 2018, 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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/**
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* @test
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* @bug 8245194
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* @run testng/othervm IOExchanges
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*/
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import java.io.IOException;
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import java.net.*;
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import java.nio.channels.*;
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import java.nio.ByteBuffer;
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import java.nio.file.Files;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static java.lang.System.out;
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import static java.net.StandardProtocolFamily.*;
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import static java.nio.channels.SelectionKey.OP_ACCEPT;
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import static java.nio.channels.SelectionKey.OP_READ;
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import static java.nio.channels.SelectionKey.OP_WRITE;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertTrue;
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public class IOExchanges {
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static boolean unixDomainSupported = true;
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@BeforeTest()
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public void setup() {
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try {
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SocketChannel.open(UNIX);
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} catch (IOException | UnsupportedOperationException e) {
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unixDomainSupported = false;
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out.println("Unix domain channels not supported");
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}
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}
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static SocketChannel openSocketChannel(ProtocolFamily family)
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throws IOException {
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return family == UNIX ? SocketChannel.open(family)
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: SocketChannel.open();
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}
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static ServerSocketChannel openServerSocketChannel(ProtocolFamily family)
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throws IOException {
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return family == UNIX ? ServerSocketChannel.open(family)
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: ServerSocketChannel.open();
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}
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public static void deleteFile(SocketAddress addr) throws Exception {
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if (addr instanceof UnixDomainSocketAddress) {
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Files.deleteIfExists(((UnixDomainSocketAddress) addr).getPath());
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}
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}
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/*
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The following, non-exhaustive set, of tests exercise different combinations
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of blocking and non-blocking accept/connect calls along with I/O
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operations, that exchange a single byte. The intent it to test a reasonable
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set of blocking and non-blocking scenarios.
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The individual test method names follow their test scenario.
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[BAccep|SELNBAccep|SPINNBAccep] - Accept either:
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blocking, select-non-blocking, spinning-non-blocking
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[BConn|NBConn] - blocking connect / non-blocking connect
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[BIO|NBIO] - blocking / non-blocking I/O operations (read/write)
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[WR|RW] - connecting thread write/accepting thread reads first, and vice-versa
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[Id] - unique test Id
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BAccep_BConn_BIO_WR_1
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BAccep_BConn_BIO_RW_2
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SELNBAccep_BConn_BIO_WR_3
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SELNBAccep_BConn_BIO_RW_4
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SPINNBAccep_BConn_BIO_WR_5
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SPINNBAccep_BConn_BIO_RW_6
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BAccep_NBConn_BIO_WR_7
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BAccep_NBConn_BIO_RW_8
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SELNBAccep_NBConn_BIO_WR_9
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SELNBAccep_NBConn_BIO_RW_10
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SPINNBAccep_NBConn_BIO_WR_11
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SPINNBAccep_NBConn_BIO_RW_12
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BAccep_BConn_NBIO_WR_1a // Non-Blocking I/O
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BAccep_BConn_NBIO_RW_2a
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SELNBAccep_BConn_NBIO_WR_3a
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SELNBAccep_BConn_NBIO_RW_4a
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SPINNBAccep_BConn_NBIO_WR_5a
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SPINNBAccep_BConn_NBIO_RW_6a
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BAccep_NBConn_NBIO_WR_7a
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BAccep_NBConn_NBIO_RW_8a
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SELNBAccep_NBConn_NBIO_WR_9a
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SELNBAccep_NBConn_NBIO_RW_10a
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SPINBAccep_NBConn_NBIO_WR_11a
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SPINBAccep_NBConn_NBIO_RW_12a
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*/
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@DataProvider(name = "family")
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public Object[][] family() {
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return unixDomainSupported ?
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new Object[][] {
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{ UNIX },
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{ INET }}
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: new Object[][] {
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{ INET }
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};
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}
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@Test(dataProvider = "family")
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public void BAccep_BConn_BIO_WR_1(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t1", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x01).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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});
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t.start();
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try (SocketChannel sc = ssc.accept()) {
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x01);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void BAccep_BConn_BIO_RW_2(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t2", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x02);
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}
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});
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t.start();
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try (SocketChannel sc = ssc.accept()) {
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x02).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void SELNBAccep_BConn_BIO_WR_3(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family);
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Selector selector = Selector.open()) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t3", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x03).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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});
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t.start();
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ssc.configureBlocking(false).register(selector, OP_ACCEPT);
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assertEquals(selector.select(), 1);
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try (SocketChannel sc = ssc.accept()) {
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x03);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void SELNBAccep_BConn_BIO_RW_4(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family);
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Selector selector = Selector.open()) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t4", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x04);
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}
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});
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t.start();
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ssc.configureBlocking(false).register(selector, OP_ACCEPT);
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assertEquals(selector.select(), 1);
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try (SocketChannel sc = ssc.accept()) {
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x04).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void SPINNBAccep_BConn_BIO_WR_5(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t5", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x05).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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});
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t.start();
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SocketChannel accepted;
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for (; ; ) {
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accepted = ssc.accept();
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if (accepted != null) {
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out.println("accepted new connection");
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break;
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}
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Thread.onSpinWait();
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}
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try (SocketChannel sc = accepted) {
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x05);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void SPINNBAccep_BConn_BIO_RW_6(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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TestThread t = TestThread.of("t6", () -> {
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try (SocketChannel sc = openSocketChannel(family)) {
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assertTrue(sc.connect(addr));
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x06);
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}
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});
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t.start();
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SocketChannel accepted;
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for (; ; ) {
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accepted = ssc.accept();
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if (accepted != null) {
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out.println("accepted new connection");
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break;
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}
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Thread.onSpinWait();
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}
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try (SocketChannel sc = accepted) {
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x06).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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}
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t.awaitCompletion();
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deleteFile(addr);
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}
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}
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// Similar to the previous six scenarios, but with same-thread
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// non-blocking connect.
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@Test(dataProvider = "family")
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public void BAccep_NBConn_BIO_WR_7(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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try (SocketChannel sc = openSocketChannel(family)) {
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sc.configureBlocking(false);
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sc.connect(addr);
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try (SocketChannel sc2 = ssc.accept()) {
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assertTrue(sc.finishConnect());
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sc.configureBlocking(true);
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TestThread t = TestThread.of("t7", () -> {
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x07).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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});
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t.start();
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc2.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x07);
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sc2.shutdownOutput();
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t.awaitCompletion();
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}
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}
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void BAccep_NBConn_BIO_RW_8(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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try (SocketChannel sc = openSocketChannel(family)) {
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sc.configureBlocking(false);
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sc.connect(addr);
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try (SocketChannel sc2 = ssc.accept()) {
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assertTrue(sc.finishConnect());
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sc.configureBlocking(true);
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TestThread t = TestThread.of("t8", () -> {
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x08);
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sc.shutdownOutput();
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});
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t.start();
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x08).flip();
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assertEquals(sc2.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc2.read(bb.clear()), -1);
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t.awaitCompletion();
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}
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}
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deleteFile(addr);
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}
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}
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@Test(dataProvider = "family")
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public void SELNBAccep_NBConn_BIO_WR_9(ProtocolFamily family)
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throws Throwable {
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
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try (SocketChannel sc = openSocketChannel(family);
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Selector selector = Selector.open()) {
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sc.configureBlocking(false);
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sc.connect(addr);
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ssc.configureBlocking(false).register(selector, OP_ACCEPT);
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assertEquals(selector.select(), 1);
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try (SocketChannel sc2 = ssc.accept()) {
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assertTrue(sc.finishConnect());
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sc.configureBlocking(true);
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TestThread t = TestThread.of("t9", () -> {
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x09).flip();
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assertEquals(sc.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc.read(bb.clear()), -1);
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});
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t.start();
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc2.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
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assertEquals(bb.get(0), 0x09);
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sc2.shutdownOutput();
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t.awaitCompletion();
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}
|
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}
|
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deleteFile(addr);
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}
|
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}
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|
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@Test(dataProvider = "family")
|
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public void SELNBAccep_NBConn_BIO_RW_10(ProtocolFamily family)
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throws Throwable {
|
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try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
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ssc.bind(null);
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SocketAddress addr = ssc.getLocalAddress();
|
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|
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try (SocketChannel sc = openSocketChannel(family);
|
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Selector selector = Selector.open()) {
|
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sc.configureBlocking(false);
|
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sc.connect(addr);
|
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ssc.configureBlocking(false).register(selector, OP_ACCEPT);
|
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assertEquals(selector.select(), 1);
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|
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try (SocketChannel sc2 = ssc.accept()) {
|
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assertTrue(sc.finishConnect());
|
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sc.configureBlocking(true);
|
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TestThread t = TestThread.of("t10", () -> {
|
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ByteBuffer bb = ByteBuffer.allocate(10);
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assertEquals(sc.read(bb), 1);
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out.printf("read: 0x%x%n", bb.get(0));
|
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assertEquals(bb.get(0), 0x10);
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sc.shutdownOutput();
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});
|
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t.start();
|
|
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ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x10).flip();
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assertEquals(sc2.write(bb), 1);
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out.printf("wrote: 0x%x%n", bb.get(0));
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assertEquals(sc2.read(bb.clear()), -1);
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t.awaitCompletion();
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}
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}
|
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deleteFile(addr);
|
|
}
|
|
}
|
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|
|
@Test(dataProvider = "family")
|
|
public void SPINNBAccep_NBConn_BIO_WR_11(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc2 = accepted) {
|
|
assertTrue(sc.finishConnect());
|
|
sc.configureBlocking(true);
|
|
TestThread t = TestThread.of("t11", () -> {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x11).flip();
|
|
assertEquals(sc.write(bb), 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
assertEquals(sc.read(bb.clear()), -1);
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
assertEquals(sc2.read(bb), 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x11);
|
|
sc2.shutdownOutput();
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SPINNBAccep_NBConn_BIO_RW_12(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc2 = accepted) {
|
|
assertTrue(sc.finishConnect());
|
|
sc.configureBlocking(true);
|
|
TestThread t = TestThread.of("t12", () -> {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
assertEquals(sc.read(bb), 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x12);
|
|
sc.shutdownOutput();
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x12).flip();
|
|
assertEquals(sc2.write(bb), 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
assertEquals(sc2.read(bb.clear()), -1);
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
// ---
|
|
// Similar to the previous twelve scenarios but with non-blocking IO
|
|
// ---
|
|
|
|
@Test(dataProvider = "family")
|
|
public void BAccep_BConn_NBIO_WR_1a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t1a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x1A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
try (SocketChannel sc = ssc.accept();
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x1A);
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void BAccep_BConn_NBIO_RW_2a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t2a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x2A);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
try (SocketChannel sc = ssc.accept();
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x2A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SELNBAccep_BConn_NBIO_WR_3a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family);
|
|
Selector aselector = Selector.open()) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t3a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x3A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ssc.configureBlocking(false).register(aselector, OP_ACCEPT);
|
|
assertEquals(aselector.select(), 1);
|
|
|
|
try (SocketChannel sc = ssc.accept();
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x3A);
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SELNBAccep_BConn_NBIO_RW_4a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family);
|
|
Selector aselector = Selector.open()) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t4a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x4A);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ssc.configureBlocking(false).register(aselector, OP_ACCEPT);
|
|
assertEquals(aselector.select(), 1);
|
|
|
|
try (SocketChannel sc = ssc.accept();
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x4A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SPINNBAccep_BConn_NBIO_WR_5a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t5a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x5A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc = accepted;
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x5A);
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SPINNBAccep_BConn_NBIO_RW_6a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
TestThread t = TestThread.of("t6a", () -> {
|
|
try (SocketChannel sc = openSocketChannel(family);
|
|
Selector selector = Selector.open()) {
|
|
assertTrue(sc.connect(addr));
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.configureBlocking(false);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x6A);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc = accepted;
|
|
Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x6A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
|
|
}
|
|
t.awaitCompletion();
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
// Similar to the previous six scenarios but with same-thread
|
|
// non-blocking connect.
|
|
|
|
@Test(dataProvider = "family")
|
|
public void BAccep_NBConn_NBIO_WR_7a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
try (SocketChannel sc2 = ssc.accept()) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t7a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x7A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
sc2.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), 0x7A);
|
|
sc2.shutdownOutput();
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void BAccep_NBConn_NBIO_RW_8a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
try (SocketChannel sc2 = ssc.accept()) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t8a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), (byte) 0x8A);
|
|
sc.shutdownOutput();
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x8A).flip();
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
SelectionKey k = sc2.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SELNBAccep_NBConn_NBIO_WR_9a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
Selector aselector = Selector.open();
|
|
ssc.configureBlocking(false).register(aselector, OP_ACCEPT);
|
|
assertEquals(aselector.select(), 1);
|
|
|
|
try (SocketChannel sc2 = ssc.accept()) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t9a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0x9A).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
sc2.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), (byte) 0x9A);
|
|
sc2.shutdownOutput();
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SELNBAccep_NBConn_NBIO_RW_10a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
Selector aselector = Selector.open();
|
|
ssc.configureBlocking(false).register(aselector, OP_ACCEPT);
|
|
assertEquals(aselector.select(), 1);
|
|
|
|
try (SocketChannel sc2 = ssc.accept()) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t10a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), (byte) 0xAA);
|
|
sc.shutdownOutput();
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0xAA).flip();
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
SelectionKey k = sc2.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SPINBAccep_NBConn_NBIO_WR_11a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc2 = accepted) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t11a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0xBA).flip();
|
|
sc.configureBlocking(false);
|
|
SelectionKey k = sc.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
sc2.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), (byte) 0xBA);
|
|
sc2.shutdownOutput();
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
@Test(dataProvider = "family")
|
|
public void SPINBAccep_NBConn_NBIO_RW_12a(ProtocolFamily family)
|
|
throws Throwable {
|
|
try (ServerSocketChannel ssc = openServerSocketChannel(family)) {
|
|
ssc.bind(null);
|
|
SocketAddress addr = ssc.getLocalAddress();
|
|
|
|
try (SocketChannel sc = openSocketChannel(family)) {
|
|
sc.configureBlocking(false);
|
|
sc.connect(addr);
|
|
|
|
SocketChannel accepted;
|
|
for (; ; ) {
|
|
accepted = ssc.accept();
|
|
if (accepted != null) {
|
|
out.println("accepted new connection");
|
|
break;
|
|
}
|
|
Thread.onSpinWait();
|
|
}
|
|
|
|
try (SocketChannel sc2 = accepted) {
|
|
assertTrue(sc.finishConnect());
|
|
TestThread t = TestThread.of("t10a", () -> {
|
|
try (Selector selector = Selector.open()) {
|
|
ByteBuffer bb = ByteBuffer.allocate(10);
|
|
sc.register(selector, OP_READ);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc.read(bb)) == 0) ;
|
|
assertEquals(c, 1);
|
|
out.printf("read: 0x%x%n", bb.get(0));
|
|
assertEquals(bb.get(0), (byte) 0xCA);
|
|
sc.shutdownOutput();
|
|
}
|
|
});
|
|
t.start();
|
|
|
|
ByteBuffer bb = ByteBuffer.allocate(10).put((byte) 0xCA).flip();
|
|
sc2.configureBlocking(false);
|
|
try (Selector selector = Selector.open()) {
|
|
SelectionKey k = sc2.register(selector, OP_WRITE);
|
|
selector.select();
|
|
int c;
|
|
while ((c = sc2.write(bb)) < 1) ;
|
|
assertEquals(c, 1);
|
|
out.printf("wrote: 0x%x%n", bb.get(0));
|
|
k.interestOps(OP_READ);
|
|
selector.select();
|
|
bb.clear();
|
|
while ((c = sc2.read(bb)) == 0) ;
|
|
assertEquals(c, -1);
|
|
}
|
|
t.awaitCompletion();
|
|
}
|
|
}
|
|
deleteFile(addr);
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
static class TestThread extends Thread {
|
|
private final UncheckedRunnable runnable;
|
|
private volatile Throwable throwable;
|
|
|
|
TestThread(UncheckedRunnable runnable, String name) {
|
|
super(name);
|
|
this.runnable = runnable;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
runnable.run();
|
|
} catch (Throwable t) {
|
|
out.printf("[%s] caught unexpected: %s%n", getName(), t);
|
|
throwable = t;
|
|
}
|
|
}
|
|
|
|
interface UncheckedRunnable {
|
|
void run() throws Throwable;
|
|
}
|
|
|
|
static TestThread of(String name, UncheckedRunnable runnable) {
|
|
return new TestThread(runnable, name);
|
|
}
|
|
|
|
void awaitCompletion() throws Throwable {
|
|
this.join();
|
|
if (throwable != null)
|
|
throw throwable;
|
|
}
|
|
}
|
|
}
|