If there is a security manager, - * its {@code checkListen} method is first called - * with 0 as its argument to ensure the operation is allowed. - * This could result in a SecurityException. + *
+ * If there is a security manager, its {@code checkListen} method is first + * called with 0 as its argument to ensure the operation is allowed. This + * could result in a SecurityException. *
* When the socket is created the
- * {@link DatagramSocket#setReuseAddress(boolean)} method is
- * called to enable the SO_REUSEADDR socket option. When
- * {@link StandardSocketOptions#SO_REUSEPORT SO_REUSEPORT} is
- * supported then
- * {@link DatagramSocketImpl#setOption(SocketOption, Object)}
- * is called to enable the socket option.
+ * {@link DatagramSocket#setReuseAddress(boolean)} method is called to
+ * enable the SO_REUSEADDR socket option.
*
- * @exception IOException if an I/O exception occurs
- * while creating the MulticastSocket
- * @exception SecurityException if a security manager exists and its
- * {@code checkListen} method doesn't allow the operation.
+ * @exception IOException if an I/O exception occurs while creating the
+ * MulticastSocket
+ * @exception SecurityException if a security manager exists and its
+ * {@code checkListen} method doesn't allow the operation.
* @see SecurityManager#checkListen
* @see java.net.DatagramSocket#setReuseAddress(boolean)
* @see java.net.DatagramSocketImpl#setOption(SocketOption, Object)
@@ -174,17 +170,13 @@
// Enable SO_REUSEADDR before binding
setReuseAddress(true);
- // Enable SO_REUSEPORT if supported before binding
- if (supportedOptions().contains(StandardSocketOptions.SO_REUSEPORT)) {
- this.setOption(StandardSocketOptions.SO_REUSEPORT, true);
- }
-
if (bindaddr != null) {
try {
bind(bindaddr);
} finally {
- if (!isBound())
+ if (!isBound()) {
close();
+ }
}
}
}
--- /dev/null 2016-09-28 11:51:41.863930358 +0530
+++ new/test/java/net/DatagramSocket/ReuseAddressTest.java 2016-09-29 13:34:33.282348648 +0530
@@ -0,0 +1,466 @@
+/* Copyright (c) 2016, 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.
+ */
+
+import java.io.IOException;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.MulticastSocket;
+import java.net.SocketException;
+
+/*
+ * @test
+ * @bug 8153674
+ * @summary Expected SocketException not thrown when calling bind() with
+ * setReuseAddress(false)
+ * @run main/othervm ReuseAddressTest
+ */
+
+public class ReuseAddressTest {
+
+ String getInfo(DatagramSocket soc) {
+ if (soc == null) {
+ return null;
+ }
+
+ return "localPort: " + soc.getLocalPort()
+ + "; localAddress: " + soc.getLocalAddress()
+ + "; remotePort: " + soc.getPort()
+ + "; remoteAddress: " + soc.getInetAddress()
+ + "; isClosed: " + soc.isClosed()
+ + "; isBound: " + soc.isBound();
+ }
+
+ static InetSocketAddress createSocketAddress(int testMcastPort) throws Exception {
+ InetAddress localAddress = InetAddress.getLocalHost();
+ InetSocketAddress localSocketAddress = new InetSocketAddress(localAddress, testMcastPort);
+ return localSocketAddress;
+ }
+
+ /* standalone interface */
+ public static void main(String argv[]) throws Exception {
+ ReuseAddressTest test = new ReuseAddressTest();
+ test.DatagramSocket0029();
+ test.DatagramSocket0030();
+ test.DatagramSocket0031();
+ test.DatagramSocket0032();
+ test.DatagramSocket0034();
+ test.DatagramSocket0035();
+ test.DatagramSocket2028();
+ test.DatagramSocket2029();
+ test.DatagramSocket2030();
+
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setReuseAddress(boolean on) throws SocketException,
+ *
on: false.
+ *
Expected results: getReuseAddress() will return false
+ */
+ public void DatagramSocket0029() throws Exception {
+ String testCaseID = "DatagramSocket0029";
+ System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket(null);
+ ds.setReuseAddress(false);
+ if (ds.getReuseAddress() == true) {
+ throw new RuntimeException("SO_REUSEADDR is not set to false");
+ }
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ds != null) {
+ ds.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setReuseAddress(boolean on) throws SocketException,
+ *
on: true.
+ *
Expected results: Allows completely duplicate bindings (same
+ * address and port) on multicast sockets
+ */
+ public void DatagramSocket0030() throws Exception {
+ String testCaseID = "DatagramSocket0030";
+ System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+ MulticastSocket ms1 = null;
+ MulticastSocket ms2 = null;
+ try {
+ InetSocketAddress addr = createSocketAddress(5050);
+
+ ms1 = new MulticastSocket(null);
+ ms1.setReuseAddress(true);
+ if (!ms1.getReuseAddress()) {
+ System.out.println("Cannot check: "
+ + " safety for SO_REUSEADDR option is not guaranteed");
+ }
+
+ try {
+ ms1.bind(addr);
+ } catch (SocketException e) {
+ throw new RuntimeException("cannot bind first socket to " + addr
+ + " unexpected " + e);
+ }
+
+ ms2 = new MulticastSocket(null);
+ ms2.setReuseAddress(true);
+ if (!ms2.getReuseAddress()) {
+ System.out.println("Cannot check: "
+ + " safety for SO_REUSEADDR option is not guaranteed");
+ }
+
+ try {
+ ms2.bind(addr);
+ } catch (SocketException e) {
+ throw new RuntimeException("cannot bind second socket to " + addr
+ + " unexpected " + e);
+ }
+
+ if (ms1.getLocalPort() != addr.getPort() || !ms1.isBound()
+ || ms2.getLocalPort() != addr.getPort() || !ms2.isBound()) {
+ System.out.println("bind() fails with: " + addr);
+ System.out.println(" ms1 [" + getInfo(ms1) + "]");
+ System.out.println(" ms2 [" + getInfo(ms2) + "]");
+ System.out.println(" getReuseAddress(): " + ms2.getReuseAddress());
+ throw new RuntimeException("bind() fails with: " + addr);
+ }
+
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ms1 != null) {
+ ms1.close();
+ }
+ if (ms2 != null) {
+ ms2.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setReuseAddress(boolean on) throws SocketException,
+ *
on: false.
+ *
Expected results: The second bind will throw SocketException,
+ * when SO_REUSEADDR disable
+ */
+ public void DatagramSocket0031() throws Exception {
+ String testCaseID = "DatagramSocket0031";
+ System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+ MulticastSocket ms1 = null;
+ MulticastSocket ms2 = null;
+ try {
+ InetSocketAddress addr = createSocketAddress(6060);
+
+ ms1 = new MulticastSocket(null);
+ try {
+ ms1.bind(addr);
+ } catch (SocketException e) {
+ throw new RuntimeException("cannot bind first socket to " + addr
+ + " unexpected " + e);
+ }
+
+ ms2 = new MulticastSocket(null);
+ ms2.setReuseAddress(false); // method under test
+
+ try {
+ ms2.bind(addr);
+ System.out.println("No exceptions: ");
+ System.out.println(" addr: " + addr);
+ System.out.println(" ms1 [" + getInfo(ms1) + "]");
+ System.out.println(" ms2 [" + getInfo(ms2) + "]");
+ System.out.println(" getReuseAddress(): " + ms2.getReuseAddress());
+ throw new RuntimeException("no exceptions from bind() with " + addr);
+ } catch (SocketException e) {
+ }
+
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ms1 != null) {
+ ms1.close();
+ }
+ if (ms2 != null) {
+ ms2.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setReuseAddress(boolean on) throws SocketException,
+ *
on: true.
+ *
Expected results: Allows a single process to bind the same
+ * port to multiple sockets as long as each bind specifies a different local
+ * IP address
+ */
+ public void DatagramSocket0032() throws Exception {
+ String testCaseID = "DatagramSocket0032";
+ System.out.println(" >> " + testCaseID + ": " + "public void setReuseAddress(boolean on) throws SocketException");
+
+ DatagramSocket ds1 = null;
+ DatagramSocket ds2 = null;
+ try {
+
+ InetSocketAddress isa = createSocketAddress(7070);
+ InetAddress addr = isa.getAddress();
+ InetAddress wildcard = InetAddress.getByName("0.0.0.0");
+ if (addr.equals(wildcard) || addr.isLoopbackAddress()) {
+ System.out.println("Cannot check: addresses are equal");
+ }
+
+ InetSocketAddress isa1 = new InetSocketAddress(addr, isa.getPort());
+ InetSocketAddress isa2 = new InetSocketAddress(wildcard, isa.getPort());
+
+ ds1 = new DatagramSocket(null);
+ ds1.setReuseAddress(true); // method under test
+ if (!ds1.getReuseAddress()) {
+ System.out.println("Cannot check: "
+ + " safety for SO_REUSEADDR option is not guaranteed");
+ }
+ ds1.bind(isa1);
+
+ ds2 = new DatagramSocket(null);
+ ds2.setReuseAddress(true); // method under test
+ if (!ds2.getReuseAddress()) {
+ System.out.println("Cannot check: "
+ + " safety for SO_REUSEADDR option is not guaranteed");
+ }
+
+ try {
+ ds2.bind(isa2);
+ } catch (SocketException e) {
+ throw new RuntimeException("cannot bind second socket to " + isa2
+ + " unexpected " + e);
+ }
+
+ if (ds1.getLocalPort() != isa.getPort() || !ds1.isBound()
+ || ds2.getLocalPort() != isa.getPort() || !ds2.isBound()) {
+ System.out.println("bind() fails with: " + addr);
+ System.out.println(" ds1 [" + getInfo(ds1) + "]");
+ System.out.println(" ds2 [" + getInfo(ds2) + "]");
+ System.out.println(" getReuseAddress(): " + ds2.getReuseAddress());
+ throw new RuntimeException("bind() fails with: " + addr);
+ }
+
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ds1 != null) {
+ ds1.close();
+ }
+ if (ds2 != null) {
+ ds2.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Assertion testing for public int getTrafficClass() throws
+ * SocketException, will return a number in range from 0 to 255 or throw
+ * SocketException.
+ */
+ public void DatagramSocket2028() throws Exception {
+ String testCaseID = "DatagramSocket2028";
+ System.out.println(" >> " + testCaseID + ": " + "public int getTrafficClass() throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket();
+ int tc = ds.getTrafficClass();
+ if (tc < 0 || tc > 255) {
+ throw new RuntimeException("getTrafficClass() returns: " + tc);
+ }
+ } catch (SecurityException e) {
+ System.out.println("Security restriction: " + e);
+ } catch (SocketException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("Unexpected exception : " + e);
+ } finally {
+ if (ds != null) {
+ ds.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Assertion testing for public void setTrafficClass(int tc) throws
+ * SocketException, IAE will be thrown with tc less than 0 or greater than
+ * 255.
+ */
+ public void DatagramSocket2029() throws Exception {
+ String testCaseID = "DatagramSocket2029";
+ System.out.println(" >> " + testCaseID + ": " + "public void setTrafficClass(int tc) throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket();
+ } catch (SecurityException e) {
+ System.out.println("Security restriction: " + e);
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("cannot create socket: " + e);
+ }
+
+ int[] values = {
+ Integer.MIN_VALUE, Integer.MIN_VALUE + 1, -1000, -2, -1,
+ 256, 257, 1000, 50000, Integer.MAX_VALUE - 1, Integer.MAX_VALUE
+ };
+
+ for (int i = 0; i < values.length; i++) {
+ try {
+ ds.setTrafficClass(values[i]);
+ System.out.println("No exception with: " + values[i]);
+ System.out.println("getTrafficClass() returns: " + ds.getTrafficClass());
+ ds.close();
+ throw new RuntimeException("setTrafficClass() fails with : " + values[i]);
+ } catch (SocketException e) {
+ ds.close();
+ e.printStackTrace(System.out);
+ throw new RuntimeException("setTrafficClass() throws : " + e);
+ } catch (IllegalArgumentException e) {
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Assertion testing for public void setTrafficClass(int tc) throws
+ * SocketException, only SocketException may be thrown with tc in range from
+ * 0 to 255.
+ */
+ public void DatagramSocket2030() throws Exception {
+ String testCaseID = "DatagramSocket2030";
+ System.out.println(" >> " + testCaseID + ": " + "public void setTrafficClass(int tc) throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket();
+ } catch (SecurityException e) {
+ System.out.println("Security restriction: " + e);
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("cannot create socket: " + e);
+ }
+
+ for (int i = 0; i <= 255; i++) {
+ try {
+ ds.setTrafficClass(i);
+ } catch (SocketException e) {
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setBroadcast(boolean on) throws SocketException,
+ *
on: false.
+ *
Expected results: getBroadcast() will return false
+ */
+ public void DatagramSocket0034() throws Exception {
+ String testCaseID = "DatagramSocket0034";
+ System.out.println(" >> " + testCaseID + ": " + "public void setBroadcast(boolean on) throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket();
+ ds.setBroadcast(false);
+ if (ds.getBroadcast() == true) {
+ throw new RuntimeException("SO_BROADCAST is not set to false");
+ }
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ds != null) {
+ ds.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+
+ /**
+ * Equivalence class partitioning with input values orientation for public
+ * void setBroadcast(boolean on) throws SocketException,
+ *
on: true.
+ *
Expected results: getBroadcast() will return true
+ */
+ public void DatagramSocket0035() throws Exception {
+ String testCaseID = "DatagramSocket0035";
+ System.out.println(" >> " + testCaseID + ": " + "public void setBroadcast(boolean on) throws SocketException");
+
+ DatagramSocket ds = null;
+ try {
+ ds = new DatagramSocket();
+ ds.setBroadcast(true);
+ if (ds.getBroadcast() == false) {
+ throw new RuntimeException("SO_BROADCAST is not set to true");
+ }
+ } catch (IOException e) {
+ e.printStackTrace(System.out);
+ throw new RuntimeException("unexpected: " + e);
+ } catch (SecurityException e) {
+ System.out.println("Security restriction");
+ } finally {
+ if (ds != null) {
+ ds.close();
+ }
+ }
+
+ System.out.println("OKAY");
+ }
+}