jdk/test/java/nio/channels/Selector/Alias.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/Selector/Alias.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2001-2002 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 4513011
+ * @summary Registering and cancelling same fd many times
+ * @library ..
+ */
+
+import java.io.*;
+import java.net.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.util.*;
+import java.nio.channels.spi.SelectorProvider;
+
+public class Alias {
+
+    static int success = 0;
+    static int LIMIT = 20; // Hangs after just 1 if problem is present
+
+    public static void main(String[] args) throws Exception {
+        test1();
+    }
+
+    public static void test1() throws Exception {
+        Selector selector = SelectorProvider.provider().openSelector();
+        InetAddress myAddress=InetAddress.getByName(TestUtil.HOST);
+        InetSocketAddress isa = new InetSocketAddress(myAddress,13);
+
+        for (int j=0; j<LIMIT; j++) {
+            SocketChannel sc = SocketChannel.open();
+            sc.configureBlocking(false);
+            boolean result = sc.connect(isa);
+            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();
+    }
+
+    static void 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++;
+    }
+}