| /* |
| * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @summary Test socketchannel vector IO (use -Dseed=X to set PRNG seed) |
| * @library .. /test/lib |
| * @build jdk.test.lib.RandomFactory |
| * @run main VectorIO |
| * @key randomness |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.util.*; |
| import jdk.test.lib.RandomFactory; |
| |
| public class VectorIO { |
| |
| private static Random generator = RandomFactory.getRandom(); |
| |
| static int testSize; |
| |
| public static void main(String[] args) throws Exception { |
| testSize = 1; |
| runTest(); |
| for(int i=15; i<18; i++) { |
| testSize = i; |
| runTest(); |
| } |
| } |
| |
| static void runTest() throws Exception { |
| System.err.println("Length " + testSize); |
| Server sv = new Server(testSize); |
| sv.start(); |
| bufferTest(sv.port()); |
| if (sv.finish(8000) == 0) |
| throw new Exception("Failed: Length = " + testSize); |
| } |
| |
| static void bufferTest(int port) throws Exception { |
| ByteBuffer[] bufs = new ByteBuffer[testSize]; |
| long total = 0L; |
| for(int i=0; i<testSize; i++) { |
| String source = "buffer" + i; |
| if (generator.nextBoolean()) |
| bufs[i] = ByteBuffer.allocateDirect(source.length()); |
| else |
| bufs[i] = ByteBuffer.allocate(source.length()); |
| |
| bufs[i].put(source.getBytes("8859_1")); |
| bufs[i].flip(); |
| total += bufs[i].remaining(); |
| } |
| |
| // Get a connection to the server |
| InetAddress lh = InetAddress.getLocalHost(); |
| InetSocketAddress isa = new InetSocketAddress(lh, port); |
| SocketChannel sc = SocketChannel.open(); |
| sc.connect(isa); |
| sc.configureBlocking(generator.nextBoolean()); |
| |
| // Write the data out |
| long rem = total; |
| while (rem > 0L) { |
| long bytesWritten = sc.write(bufs); |
| if (bytesWritten == 0) { |
| if (sc.isBlocking()) { |
| throw new RuntimeException("write did not block"); |
| } else { |
| System.err.println("Non-blocking write() wrote zero bytes"); |
| } |
| Thread.sleep(50); |
| } else { |
| rem -= bytesWritten; |
| } |
| } |
| |
| // Clean up |
| sc.close(); |
| } |
| |
| static class Server |
| extends TestThread |
| { |
| final int testSize; |
| final ServerSocketChannel ssc; |
| |
| Server(int testSize) throws IOException { |
| super("Server " + testSize); |
| this.testSize = testSize; |
| this.ssc = ServerSocketChannel.open().bind(new InetSocketAddress(0)); |
| } |
| |
| int port() { |
| return ssc.socket().getLocalPort(); |
| } |
| |
| void go() throws Exception { |
| bufferTest(); |
| } |
| |
| void bufferTest() throws Exception { |
| long total = 0L; |
| ByteBuffer[] bufs = new ByteBuffer[testSize]; |
| for(int i=0; i<testSize; i++) { |
| String source = "buffer" + i; |
| if (generator.nextBoolean()) |
| bufs[i] = ByteBuffer.allocateDirect(source.length()); |
| else |
| bufs[i] = ByteBuffer.allocate(source.length()); |
| total += bufs[i].capacity(); |
| } |
| |
| // Get a connection from client |
| SocketChannel sc = null; |
| |
| try { |
| |
| ssc.configureBlocking(false); |
| |
| for (;;) { |
| sc = ssc.accept(); |
| if (sc != null) { |
| System.err.println("accept() succeeded"); |
| break; |
| } |
| Thread.sleep(50); |
| } |
| |
| sc.configureBlocking(generator.nextBoolean()); |
| |
| // Read data into multiple buffers |
| long avail = total; |
| while (avail > 0) { |
| long bytesRead = sc.read(bufs); |
| if (bytesRead < 0) |
| break; |
| if (bytesRead == 0) { |
| if (sc.isBlocking()) { |
| throw new RuntimeException("read did not block"); |
| } else { |
| System.err.println |
| ("Non-blocking read() read zero bytes"); |
| } |
| Thread.sleep(50); |
| } |
| avail -= bytesRead; |
| } |
| |
| // Check results |
| for(int i=0; i<testSize; i++) { |
| String expected = "buffer" + i; |
| bufs[i].flip(); |
| int size = bufs[i].capacity(); |
| byte[] data = new byte[size]; |
| for(int j=0; j<size; j++) |
| data[j] = bufs[i].get(); |
| String message = new String(data, "8859_1"); |
| if (!message.equals(expected)) |
| throw new Exception("Wrong data: Got " |
| + message + ", expected " |
| + expected); |
| } |
| |
| } finally { |
| // Clean up |
| ssc.close(); |
| if (sc != null) |
| sc.close(); |
| } |
| |
| } |
| |
| } |
| |
| } |