--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/SocketChannel/Write.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,144 @@
+/*
+ * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @bug 4854354
+ * @summary Test vector write faster than can be read
+ * @library ..
+ */
+
+import java.io.*;
+import java.net.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.util.*;
+import sun.misc.*;
+
+
+public class Write {
+
+ static int port = 40170;
+
+ static Random generator = new Random();
+
+ static int testSize = 15;
+
+ public static void main(String[] args) throws Exception {
+ WriteServer sv = new WriteServer();
+ sv.start();
+ do {
+ try {
+ Thread.currentThread().sleep(200);
+ } catch (InterruptedException x) {
+ if (sv.finish(8000) == 0)
+ throw new Exception("Failed: Error in server thread");
+ }
+ } while (!sv.ready);
+ bufferTest();
+ if (sv.finish(8000) == 0)
+ throw new Exception("Failed" );
+ }
+
+ static void bufferTest() throws Exception {
+ ByteBuffer[] bufs = new ByteBuffer[testSize];
+ for(int i=0; i<testSize; i++) {
+ String source =
+ "a muchmuchmuchmuchmuchmuchmuchmuch larger buffer numbered " +
+ i;
+ bufs[i] = ByteBuffer.allocateDirect(source.length());
+ }
+
+ // 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(false);
+
+ // Try to overflow the socket buffer
+ long total = 0;
+ for (int i=0; i<100; i++) {
+ long bytesWritten = sc.write(bufs);
+ if (bytesWritten > 0)
+ total += bytesWritten;
+ for(int j=0; j<testSize; j++)
+ bufs[j].rewind();
+ }
+
+ // Clean up
+ sc.close();
+ }
+
+}
+
+
+class WriteServer extends TestThread {
+
+ static int port = 40170;
+
+ static Random generator = new Random();
+
+ volatile boolean ready = false;
+
+ WriteServer() {
+ super("WriteServer");
+ }
+
+ void go() throws Exception {
+ bufferTest();
+ }
+
+ void bufferTest() throws Exception {
+ ByteBuffer buf = ByteBuffer.allocateDirect(5);
+
+ // Get a connection from client
+ ServerSocketChannel ssc = ServerSocketChannel.open();
+ SocketChannel sc = null;
+
+ try {
+ ssc.configureBlocking(false);
+ InetAddress lh = InetAddress.getLocalHost();
+ InetSocketAddress isa = new InetSocketAddress(lh, port);
+ ssc.socket().bind(isa);
+ ready = true;
+
+ for (;;) {
+ sc = ssc.accept();
+ if (sc != null)
+ break;
+ Thread.sleep(50);
+ }
+
+ // I'm a slow reader...
+ Thread.sleep(3000);
+
+ } finally {
+ // Clean up
+ ssc.close();
+ if (sc != null)
+ sc.close();
+ }
+
+ }
+
+}