@Override
public boolean isReuseAddress() {
try {
return socket.getReuseAddress();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
void DatagramSocketTests() throws Exception {
DatagramSocket s1 = new DatagramSocket(null);
test("DatagramSocket should be created with SO_REUSEADDR disabled");
check(!s1.getReuseAddress());
test("DatagramSocket.setReuseAddress(true)");
s1.setReuseAddress(true);
check(s1.getReuseAddress());
test("DatagramSocket.setReuseAddress(false)");
s1.setReuseAddress(false);
check(!s1.getReuseAddress());
/* bind to any port */
s1.bind(new InetSocketAddress(0));
test("Binding datagram socket to port already in use should throw " + "a BindException");
DatagramSocket s2 = new DatagramSocket(null);
try {
s2.bind(new InetSocketAddress(s1.getLocalPort()));
failed();
} catch (BindException e) {
passed();
}
s2.close();
s1.close();
// bind with SO_REUSEADDR enabled
s1 = new DatagramSocket(null);
s1.setReuseAddress(true);
s1.bind(new InetSocketAddress(0));
test(
"Bind 2 datagram sockets to the same port - second "
+ "bind doesn't have SO_REUSEADDR enabled");
s2 = new DatagramSocket(null);
try {
s2.bind(new InetSocketAddress(s1.getLocalPort()));
failed();
} catch (BindException e) {
passed();
}
s2.close();
test("Bind 2 datagram sockets to the same port - both have " + "SO_REUSEADDR enabled");
s2 = new DatagramSocket(null);
s2.setReuseAddress(true);
try {
s2.bind(new InetSocketAddress(s1.getLocalPort()));
passed();
} catch (BindException e) {
if (System.getProperty("sun.net.useExclusiveBind") != null) {
// exclusive bind enabled - expected result
passed();
} else {
failed();
}
}
s2.close();
s1.close();
}