/* * Copyright (c) 2001, 2018, 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 * @bug 4513011 * @summary Registering and cancelling same fd many times * @library .. /test/lib * @build jdk.test.lib.Utils TestServers * @run main Alias
*/
staticvoid test1(TestServers.DayTimeServer daytimeServer) throws Exception {
Selector selector = SelectorProvider.provider().openSelector();
InetAddress myAddress = daytimeServer.getAddress();
InetSocketAddress isa
= new InetSocketAddress(myAddress,
daytimeServer.getPort());
for (int j=0; j<LIMIT; j++) {
SocketChannel sc = SocketChannel.open();
sc.configureBlocking(false); boolean result = sc.connect(isa);
// On some platforms - given that we're using a local server, // we may not enter into the if () { } statement below... if (!result) {
SelectionKey key = sc.register(selector,
SelectionKey.OP_CONNECT); while (!result) { int keysAdded = selector.select(100); if (keysAdded > 0) {
Set readyKeys = selector.selectedKeys();
Iterator i = readyKeys.iterator(); while (i.hasNext()) {
SelectionKey sk = (SelectionKey)i.next();
SocketChannel nextReady =
(SocketChannel)sk.channel();
result = nextReady.finishConnect();
}
}
}
key.cancel();
}
read(sc);
}
selector.close();
}
staticvoid read(SocketChannel sc) throws Exception {
ByteBuffer bb = ByteBuffer.allocateDirect(100); int n = 0; while (n == 0) // Note this is not a rigorous check for done reading
n = sc.read(bb); //bb.position(bb.position() - 2); //bb.flip(); //CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); //System.out.println("Received: \"" + cb + "\"");
sc.close();
success++;
}
}
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