/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.luni.tests.java.net;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.BindException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.DatagramSocketImpl;
import java.net.DatagramSocketImplFactory;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.NetworkInterface;
import java.net.PortUnreachableException;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Date;
import org.apache.harmony.luni.net.PlainDatagramSocketImpl;
import org.junit.Test;
import tests.support.Support_Configuration;
import tests.support.Support_PortManager;
public class DatagramSocketTest extends SocketTestCase {
java.net.DatagramSocket ds;
java.net.DatagramPacket dp;
DatagramSocket sds = null;
String retval;
String testString = "Test String";
boolean interrupted;
class DatagramServer extends Thread {
public DatagramSocket ms;
boolean running = true;
public volatile byte[] rbuf = new byte[512];
volatile DatagramPacket rdp = null;
public void run() {
try {
while (running) {
try {
ms.receive(rdp);
// echo the packet back
ms.send(rdp);
} catch (java.io.InterruptedIOException e) {
Thread.yield();
}
;
}
;
} catch (java.io.IOException e) {
System.out.println("DatagramServer server failed: " + e);
} finally {
ms.close();
}
}
public void stopServer() {
running = false;
}
public DatagramServer(int aPort, InetAddress address)
throws IOException {
rbuf = new byte[512];
rbuf[0] = -1;
rdp = new DatagramPacket(rbuf, rbuf.length);
ms = new DatagramSocket(aPort, address);
ms.setSoTimeout(2000);
}
}
/**
* @tests java.net.DatagramSocket#DatagramSocket()
*/
public void test_Constructor() throws SocketException {
new DatagramSocket();
}
/**
* @tests java.net.DatagramSocket#DatagramSocket(int)
*/
public void test_ConstructorI() throws SocketException {
DatagramSocket ds = new DatagramSocket(0);
ds.close();
}
/**
* @tests java.net.DatagramSocket#DatagramSocket(int, java.net.InetAddress)
*/
public void test_ConstructorILjava_net_InetAddress() throws IOException {
DatagramSocket ds = new DatagramSocket(0, InetAddress.getLocalHost());
assertTrue("Created socket with incorrect port", ds.getLocalPort() != 0);
assertEquals("Created socket with incorrect address", InetAddress
.getLocalHost(), ds.getLocalAddress());
}
/**
* @tests java.net.DatagramSocket#close()
*/
public void test_close() throws UnknownHostException, SocketException {
DatagramSocket ds = new DatagramSocket(0);
DatagramPacket dp = new DatagramPacket("Test String".getBytes(), 11,
InetAddress.getLocalHost(), 0);
ds.close();
try {
ds.send(dp);
fail("Data sent after close");
} catch (IOException e) {
// Expected
}
}
/**
* @tests java.net.DatagramSocket#connect(java.net.InetAddress, int)
*/
public void test_connectLjava_net_InetAddressI() throws Exception {
DatagramSocket ds = new DatagramSocket();
InetAddress inetAddress = InetAddress.getLocalHost();
ds.connect(inetAddress, 0);
assertEquals("Incorrect InetAddress", inetAddress, ds.getInetAddress());
assertEquals("Incorrect Port", 0, ds.getPort());
ds.disconnect();
int portNumber;
if ("true".equals(System.getProperty("run.ipv6tests"))) {
System.out
.println("Running test_connectLjava_net_InetAddressI(DatagramSocketTest) with IPv6GlobalAddressJcl4: "
+ Support_Configuration.IPv6GlobalAddressJcl4);
ds = new java.net.DatagramSocket();
inetAddress = InetAddress
.getByName(Support_Configuration.IPv6GlobalAddressJcl4);
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
assertTrue("Incorrect InetAddress", ds.getInetAddress().equals(
inetAddress));
assertTrue("Incorrect Port", ds.getPort() == portNumber);
ds.disconnect();
}
// Create a connected datagram socket to test
// PlainDatagramSocketImpl.peek()
InetAddress localHost = InetAddress.getLocalHost();
ds = new DatagramSocket();
int port = ds.getLocalPort();
ds.connect(localHost, port);
DatagramPacket send = new DatagramPacket(new byte[10], 10, localHost,
port);
ds.send(send);
DatagramPacket receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("Wrong size: " + receive.getLength(),
receive.getLength() == 10);
assertTrue("Wrong receiver", receive.getAddress().equals(localHost));
class DatagramServer extends Thread {
public DatagramSocket ms;
boolean running = true;
public byte[] rbuf = new byte[512];
DatagramPacket rdp = null;
public void run() {
try {
while (running) {
try {
ms.receive(rdp);
// echo the packet back
ms.send(rdp);
} catch (java.io.InterruptedIOException e) {
Thread.yield();
}
;
}
;
} catch (java.io.IOException e) {
System.out.println("Multicast server failed: " + e);
} finally {
ms.close();
}
}
public void stopServer() {
running = false;
}
public DatagramServer(int aPort, InetAddress address)
throws java.io.IOException {
rbuf = new byte[512];
rbuf[0] = -1;
rdp = new DatagramPacket(rbuf, rbuf.length);
ms = new DatagramSocket(aPort, address);
ms.setSoTimeout(2000);
}
}
// validate that we get the PortUnreachable exception if we try to
// send a dgram to a server that is not running and then do a recv
try {
ds = new java.net.DatagramSocket();
inetAddress = InetAddress.getLocalHost();
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
send = new DatagramPacket(new byte[10], 10);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(10000);
ds.receive(receive);
ds.close();
fail("No PortUnreachableException when connected at native level on recv ");
} catch (PortUnreachableException e) {
// Expected
}
// validate that we can send/receive with datagram sockets connected at
// the native level
DatagramServer server = null;
int[] ports = Support_PortManager.getNextPortsForUDP(3);
int serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
DatagramSocket ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(localHost, serverPortNumber);
final byte[] sendBytes = { 'T', 'e', 's', 't', 0 };
send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("Wrong size data received: " + receive.getLength(), receive
.getLength() == sendBytes.length);
assertTrue("Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("Wrong receiver:" + receive.getAddress() + ":" + localHost,
receive.getAddress().equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can disconnect
try {
ds = new java.net.DatagramSocket();
inetAddress = InetAddress.getLocalHost();
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
ds.disconnect();
ds.close();
} catch (PortUnreachableException e) {
// Expected
}
// validate that once connected we cannot send to another address
try {
ds = new java.net.DatagramSocket();
inetAddress = InetAddress.getLocalHost();
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
send = new DatagramPacket(new byte[10], 10, inetAddress,
portNumber + 1);
ds.send(send);
ds.close();
fail("No Exception when trying to send to a different address on a connected socket ");
} catch (IllegalArgumentException e) {
// Expected
}
// validate that we can connect, then disconnect, then connect then
// send/recv
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(localHost, serverPortNumber + 1);
ds.disconnect();
ds.connect(localHost, serverPortNumber);
send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("connect/disconnect/connect - Wrong size data received: "
+ receive.getLength(), receive.getLength() == sendBytes.length);
assertTrue("connect/disconnect/connect - Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("connect/disconnect/connect - Wrong receiver:"
+ receive.getAddress() + ":" + localHost, receive.getAddress()
.equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can connect/disconnect then send/recv to any address
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(localHost, serverPortNumber + 1);
ds.disconnect();
send = new DatagramPacket(sendBytes, sendBytes.length, localHost,
serverPortNumber);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("connect/disconnect - Wrong size data received: "
+ receive.getLength(), receive.getLength() == sendBytes.length);
assertTrue("connect/disconnect - Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("connect/disconnect - Wrong receiver:"
+ receive.getAddress() + ":" + localHost, receive.getAddress()
.equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can connect on an allready connected socket and then
// send/recv
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(localHost, serverPortNumber + 1);
ds.connect(localHost, serverPortNumber);
send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("connect/connect - Wrong size data received: "
+ receive.getLength(), receive.getLength() == sendBytes.length);
assertTrue("connect/connect - Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("connect/connect - Wrong receiver:" + receive.getAddress()
+ ":" + localHost, receive.getAddress().equals(localHost));
if (server != null) {
server.stopServer();
}
// test for when we fail to connect at the native level. Even though we
// fail at the native level there is no way to return an exception so
// there should be no exception
ds = new java.net.DatagramSocket();
byte[] addressBytes = { 0, 0, 0, 0 };
inetAddress = InetAddress.getByAddress(addressBytes);
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
if ("true".equals(System.getProperty("run.ipv6tests"))) {
System.out
.println("Running test_connectLjava_net_InetAddressI(DatagramSocketTest) with IPv6 address");
ds = new java.net.DatagramSocket();
byte[] addressTestBytes = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 };
inetAddress = InetAddress.getByAddress(addressTestBytes);
portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(inetAddress, portNumber);
}
}
/**
* @tests java.net.DatagramSocket#disconnect()
*/
public void test_disconnect() throws Exception {
DatagramSocket ds = new DatagramSocket();
InetAddress inetAddress = InetAddress.getLocalHost();
ds.connect(inetAddress, 0);
ds.disconnect();
assertNull("Incorrect InetAddress", ds.getInetAddress());
assertEquals("Incorrect Port", -1, ds.getPort());
if ("true".equals(System.getProperty("run.ipv6tests"))) {
System.out
.println("Running test_disconnect(DatagramSocketTest) with IPv6GlobalAddressJcl4: "
+ Support_Configuration.IPv6GlobalAddressJcl4);
ds = new DatagramSocket();
inetAddress = InetAddress
.getByName(Support_Configuration.IPv6GlobalAddressJcl4);
ds.connect(inetAddress, 0);
ds.disconnect();
assertNull("Incorrect InetAddress", ds.getInetAddress());
assertEquals("Incorrect Port", -1, ds.getPort());
}
}
/**
* @tests java.net.DatagramSocket#getInetAddress()
*/
public void test_getInetAddress() {
assertTrue("Used to test", true);
}
/**
* @tests java.net.DatagramSocket#getLocalAddress()
*/
public void test_getLocalAddress() throws Exception {
InetAddress local = null;
int portNumber = Support_PortManager.getNextPortForUDP();
local = InetAddress.getLocalHost();
ds = new java.net.DatagramSocket(portNumber, local);
assertTrue("Returned incorrect address. Got:"
+ ds.getLocalAddress()
+ " wanted: "
+ InetAddress.getByName(InetAddress.getLocalHost()
.getHostName()), InetAddress.getByName(
InetAddress.getLocalHost().getHostName()).equals(
ds.getLocalAddress()));
// now validate thet behaviour when the any address is returned
String preferIPv4StackValue = System
.getProperty("java.net.preferIPv4Stack");
String preferIPv6AddressesValue = System
.getProperty("java.net.preferIPv6Addresses");
DatagramSocket s = new DatagramSocket(0);
if (((preferIPv4StackValue == null) || preferIPv4StackValue
.equalsIgnoreCase("false"))
&& (preferIPv6AddressesValue != null)
&& (preferIPv6AddressesValue.equals("true"))) {
assertTrue(
"ANY address not returned correctly (getLocalAddress) with preferIPv6Addresses=true, preferIPv4Stack=false "
+ s.getLocalSocketAddress(),
s.getLocalAddress() instanceof Inet6Address);
} else {
assertTrue(
"ANY address not returned correctly (getLocalAddress) with preferIPv6Addresses=true, preferIPv4Stack=true "
+ s.getLocalSocketAddress(),
s.getLocalAddress() instanceof Inet4Address);
}
s.close();
}
/**
* @tests java.net.DatagramSocket#getLocalPort()
*/
public void test_getLocalPort() throws SocketException {
DatagramSocket ds = new DatagramSocket();
assertTrue("Returned incorrect port", ds.getLocalPort() != 0);
}
/**
* @tests java.net.DatagramSocket#getPort()
*/
public void test_getPort() throws IOException {
DatagramSocket theSocket = new DatagramSocket();
assertEquals("Expected -1 for remote port as not connected", -1,
theSocket.getPort());
// Now connect the socket and validate that we get the right port
int portNumber = 49152; // any valid port, even if it is unreachable
theSocket.connect(InetAddress.getLocalHost(), portNumber);
assertEquals("getPort returned wrong value", portNumber, theSocket
.getPort());
}
/**
* @tests java.net.DatagramSocket#getReceiveBufferSize()
*/
public void test_getReceiveBufferSize() throws SocketException {
DatagramSocket ds = new DatagramSocket();
try {
ds.setReceiveBufferSize(130);
assertTrue("Incorrect buffer size",
ds.getReceiveBufferSize() >= 130);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_RCVBUF);
} catch (Exception e) {
handleException(e, SO_RCVBUF);
}
}
/**
* @tests java.net.DatagramSocket#getSendBufferSize()
*/
public void test_getSendBufferSize() {
try {
int portNumber = Support_PortManager.getNextPortForUDP();
ds = new java.net.DatagramSocket(portNumber);
ds.setSendBufferSize(134);
assertTrue("Incorrect buffer size", ds.getSendBufferSize() >= 134);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_SNDBUF);
} catch (Exception e) {
handleException(e, SO_SNDBUF);
}
}
/**
* @tests java.net.DatagramSocket#getSoTimeout()
*/
public void test_getSoTimeout() throws SocketException {
DatagramSocket ds = new DatagramSocket();
try {
ds.setSoTimeout(100);
assertEquals("Returned incorrect timeout", 100, ds.getSoTimeout());
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_TIMEOUT);
} catch (Exception e) {
handleException(e, SO_TIMEOUT);
}
}
/**
* @tests java.net.DatagramSocket#receive(java.net.DatagramPacket)
*/
public void test_receiveLjava_net_DatagramPacket() throws IOException {
// Test for method void
// java.net.DatagramSocket.receive(java.net.DatagramPacket)
receive_oversize_java_net_DatagramPacket();
final int[] ports = Support_PortManager.getNextPortsForUDP(2);
final int portNumber = ports[0];
class TestDGRcv implements Runnable {
public void run() {
InetAddress localHost = null;
try {
localHost = InetAddress.getLocalHost();
Thread.sleep(1000);
DatagramSocket sds = new DatagramSocket(ports[1]);
DatagramPacket rdp = new DatagramPacket("Test String"
.getBytes(), 11, localHost, portNumber);
sds.send(rdp);
sds.close();
} catch (Exception e) {
System.err.println("host " + localHost + " port "
+ portNumber + " failed to send data: " + e);
e.printStackTrace();
}
}
}
try {
new Thread(new TestDGRcv(), "DGSender").start();
ds = new java.net.DatagramSocket(portNumber);
ds.setSoTimeout(6000);
byte rbuf[] = new byte[1000];
DatagramPacket rdp = new DatagramPacket(rbuf, rbuf.length);
ds.receive(rdp);
ds.close();
assertTrue("Send/Receive failed to return correct data: "
+ new String(rbuf, 0, 11), new String(rbuf, 0, 11)
.equals("Test String"));
} finally {
ds.close();
}
try {
interrupted = false;
final DatagramSocket ds = new DatagramSocket();
ds.setSoTimeout(12000);
Runnable runnable = new Runnable() {
public void run() {
try {
ds.receive(new DatagramPacket(new byte[1], 1));
} catch (InterruptedIOException e) {
interrupted = true;
} catch (IOException e) {
}
}
};
Thread thread = new Thread(runnable, "DatagramSocket.receive1");
thread.start();
try {
do {
Thread.sleep(500);
} while (!thread.isAlive());
} catch (InterruptedException e) {
}
ds.close();
int c = 0;
do {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
}
if (interrupted) {
fail("received interrupt");
}
if (++c > 4) {
fail("read call did not exit");
}
} while (thread.isAlive());
interrupted = false;
int[] ports1 = Support_PortManager.getNextPortsForUDP(2);
final int portNum = ports[0];
final DatagramSocket ds2 = new DatagramSocket(ports[1]);
ds2.setSoTimeout(12000);
Runnable runnable2 = new Runnable() {
public void run() {
try {
ds2.receive(new DatagramPacket(new byte[1], 1,
InetAddress.getLocalHost(), portNum));
} catch (InterruptedIOException e) {
interrupted = true;
} catch (IOException e) {
}
}
};
Thread thread2 = new Thread(runnable2, "DatagramSocket.receive2");
thread2.start();
try {
do {
Thread.sleep(500);
} while (!thread2.isAlive());
} catch (InterruptedException e) {
}
ds2.close();
int c2 = 0;
do {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
}
if (interrupted) {
fail("receive2 was interrupted");
}
if (++c2 > 4) {
fail("read2 call did not exit");
}
} while (thread2.isAlive());
interrupted = false;
DatagramSocket ds3 = new DatagramSocket();
ds3.setSoTimeout(500);
Date start = new Date();
try {
ds3.receive(new DatagramPacket(new byte[1], 1));
} catch (InterruptedIOException e) {
interrupted = true;
}
ds3.close();
assertTrue("receive not interrupted", interrupted);
int delay = (int) (new Date().getTime() - start.getTime());
assertTrue("timeout too soon: " + delay, delay >= 490);
} catch (IOException e) {
fail("Unexpected IOException : " + e.getMessage());
}
}
/**
* Tests receive() method in various combinations with
* DatagramPacket#getLength() and DatagramPacket#getLength(). This is
* regression test for HARMONY-2276.
*
* @throws IOException
* if some I/O error occured
*/
// public void test2276() throws IOException {
// final String ADDRESS = "239.255.2.3";
// final int PORT = Support_PortManager.getNextPortForUDP();
// InetAddress group = InetAddress.getByName(ADDRESS);
// MulticastSocket socket = new MulticastSocket(PORT);
// byte[] recvData = new byte[100];
// DatagramPacket recvDatagram = new DatagramPacket(recvData,
// recvData.length);
//
// String message = "Hello, world!";
// String longerMessage = message + " again.";
// String veryLongMessage = longerMessage + " Forever!";
//
// socket.joinGroup(group);
// socket.setSoTimeout(5000); // prevent eternal block in
// // socket.receive()
// // send & recieve packet
// byte[] sendData = message.getBytes();
// DatagramPacket sendDatagram = new DatagramPacket(sendData, 0,
// sendData.length, group, PORT);
// socket.send(sendDatagram);
// socket.receive(recvDatagram);
// String recvMessage = new String(recvData, 0, recvDatagram.getLength());
// assertEquals(message, recvMessage);
//
// // send & receive longer packet
// sendData = longerMessage.getBytes();
// sendDatagram = new DatagramPacket(sendData, 0, sendData.length,
// group, PORT);
// socket.send(sendDatagram);
// socket.receive(recvDatagram);
// recvMessage = new String(recvData, 0, recvDatagram.getLength());
// assertEquals(longerMessage, recvMessage);
//
// // tricky case, added to test compatibility with RI;
// // depends on the previous test case
// sendData = veryLongMessage.getBytes();
// sendDatagram = new DatagramPacket(sendData, 0, sendData.length, group,
// PORT);
// socket.send(sendDatagram);
// recvDatagram.setLength(recvDatagram.getLength()); // !!!
// socket.receive(recvDatagram);
// recvMessage = new String(recvData, 0, recvDatagram.getLength());
// assertEquals(longerMessage, recvMessage);
//
// // tests if received packet is truncated after length was set to 1
// sendData = message.getBytes();
// sendDatagram = new DatagramPacket(sendData, 0, sendData.length,
// group, PORT);
// socket.send(sendDatagram);
// recvDatagram.setLength(1);
// socket.receive(recvDatagram);
// assertEquals("Received message was not truncated", 1,
// recvDatagram.getLength());
// assertSame("Received message is invalid", sendData[0], recvData[0]);
//
// socket.leaveGroup(group);
// socket.close();
// }
/**
* @tests java.net.DatagramSocket#send(java.net.DatagramPacket)
*/
public void test_sendLjava_net_DatagramPacket() throws Exception {
// Test for method void
// java.net.DatagramSocket.send(java.net.DatagramPacket)
int[] ports = Support_PortManager.getNextPortsForUDP(2);
final int portNumber = ports[0];
class TestDGSend implements Runnable {
Thread pThread;
public TestDGSend(Thread t) {
pThread = t;
}
public void run() {
try {
byte[] rbuf = new byte[1000];
sds = new DatagramSocket(portNumber);
DatagramPacket sdp = new DatagramPacket(rbuf, rbuf.length);
sds.setSoTimeout(6000);
sds.receive(sdp);
retval = new String(rbuf, 0, testString.length());
pThread.interrupt();
} catch (java.io.InterruptedIOException e) {
System.out.println("Recv operation timed out");
pThread.interrupt();
ds.close();
return;
} catch (Exception e) {
System.out
.println("Failed to establish Dgram server: " + e);
}
}
}
try {
new Thread(new TestDGSend(Thread.currentThread()), "DGServer")
.start();
ds = new java.net.DatagramSocket(ports[1]);
dp = new DatagramPacket(testString.getBytes(), testString.length(),
InetAddress.getLocalHost(), portNumber);
// Wait to allow send to occur
try {
Thread.sleep(500);
ds.send(dp);
Thread.sleep(5000);
} catch (InterruptedException e) {
ds.close();
assertTrue("Incorrect data sent: " + retval, retval
.equals(testString));
}
} finally {
ds.close();
}
// Regression for HARMONY-1118
class testDatagramSocket extends DatagramSocket {
public testDatagramSocket(DatagramSocketImpl impl) {
super(impl);
}
}
class testDatagramSocketImpl extends DatagramSocketImpl {
protected void create() throws SocketException {
}
protected void bind(int arg0, InetAddress arg1)
throws SocketException {
}
protected void send(DatagramPacket arg0) throws IOException {
}
protected int peek(InetAddress arg0) throws IOException {
return 0;
}
protected int peekData(DatagramPacket arg0) throws IOException {
return 0;
}
protected void receive(DatagramPacket arg0) throws IOException {
}
protected void setTTL(byte arg0) throws IOException {
}
protected byte getTTL() throws IOException {
return 0;
}
protected void setTimeToLive(int arg0) throws IOException {
}
protected int getTimeToLive() throws IOException {
return 0;
}
protected void join(InetAddress arg0) throws IOException {
}
protected void leave(InetAddress arg0) throws IOException {
}
protected void joinGroup(SocketAddress arg0, NetworkInterface arg1)
throws IOException {
}
protected void leaveGroup(SocketAddress arg0, NetworkInterface arg1)
throws IOException {
}
protected void close() {
}
public void setOption(int arg0, Object arg1) throws SocketException {
}
public Object getOption(int arg0) throws SocketException {
return null;
}
}
// Regression test for Harmony-2938
InetAddress i = InetAddress.getByName("127.0.0.1");
DatagramSocket d = new DatagramSocket(0, i);
try {
d.send(new DatagramPacket(new byte[] { 1 }, 1));
fail("should throw NPE.");
} catch (NullPointerException e) {
// expected;
} finally {
d.close();
}
// Regression test for Harmony-6413
InetSocketAddress addr = InetSocketAddress.createUnresolved(
"localhost", 0);
try {
DatagramPacket dp = new DatagramPacket(new byte[272], 3, addr);
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
}
/**
* If the InetAddress of DatagramPacket is null, DatagramSocket.send(DatagramPacket)
* should throw NullPointer Exception.
* @tests java.net.DatagramSocket#send(java.net.DatagramPacket)
*/
@Test
public void test_sendLjava_net_DatagramPacket2() throws IOException {
int udp_port = 20000;
int send_port = 23000;
DatagramSocket udpSocket = new DatagramSocket(udp_port);
byte[] data = {65};
DatagramPacket sendPacket = new DatagramPacket(data, data.length, null, send_port);
try {
udpSocket.send(sendPacket);
fail("Should throw SocketException");
} catch (NullPointerException e) {
// Expected
} finally {
udpSocket.close();
}
}
/**
* @tests {@link java.net.DatagramSocket#setDatagramSocketImplFactory(DatagramSocketImplFactory)}
*/
public void test_set_Datagram_SocketImpl_Factory() throws IOException {
DatagramSocketImplFactory factory = new MockDatagramSocketImplFactory();
// Should not throw SocketException when set DatagramSocketImplFactory
// for the first time.
DatagramSocket.setDatagramSocketImplFactory(factory);
try {
DatagramSocket.setDatagramSocketImplFactory(null);
fail("Should throw SocketException");
} catch (SocketException e) {
// Expected
}
try {
DatagramSocket.setDatagramSocketImplFactory(factory);
fail("Should throw SocketException");
} catch (SocketException e) {
// Expected
}
}
private class MockDatagramSocketImplFactory implements
DatagramSocketImplFactory {
public DatagramSocketImpl createDatagramSocketImpl() {
return new PlainDatagramSocketImpl();
}
}
/**
* @tests java.net.DatagramSocket#setSendBufferSize(int)
*/
public void test_setSendBufferSizeI() {
try {
int portNumber = Support_PortManager.getNextPortForUDP();
ds = new java.net.DatagramSocket(portNumber);
ds.setSendBufferSize(134);
assertTrue("Incorrect buffer size", ds.getSendBufferSize() >= 134);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_SNDBUF);
} catch (Exception e) {
handleException(e, SO_SNDBUF);
}
}
/**
* @tests java.net.DatagramSocket#setReceiveBufferSize(int)
*/
public void test_setReceiveBufferSizeI() {
try {
int portNumber = Support_PortManager.getNextPortForUDP();
ds = new java.net.DatagramSocket(portNumber);
ds.setReceiveBufferSize(130);
assertTrue("Incorrect buffer size",
ds.getReceiveBufferSize() >= 130);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_RCVBUF);
} catch (Exception e) {
handleException(e, SO_RCVBUF);
}
}
/**
* @tests java.net.DatagramSocket#setSoTimeout(int)
*/
public void test_setSoTimeoutI() throws SocketException {
DatagramSocket ds = new DatagramSocket();
try {
ds.setSoTimeout(100);
assertTrue("Set incorrect timeout", ds.getSoTimeout() >= 100);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_TIMEOUT);
} catch (Exception e) {
handleException(e, SO_TIMEOUT);
}
}
/**
* @tests java.net.DatagramSocket#DatagramSocket(java.net.DatagramSocketImpl)
*/
public void test_ConstructorLjava_net_DatagramSocketImpl() {
class SimpleTestDatagramSocket extends DatagramSocket {
public SimpleTestDatagramSocket(DatagramSocketImpl impl) {
super(impl);
}
}
try {
new SimpleTestDatagramSocket((DatagramSocketImpl) null);
fail("exception expected");
} catch (NullPointerException ex) {
// expected
}
}
/**
* @tests java.net.DatagramSocket#DatagramSocket(java.net.SocketAddress)
*/
public void test_ConstructorLjava_net_SocketAddress() throws Exception {
class UnsupportedSocketAddress extends SocketAddress {
public UnsupportedSocketAddress() {
}
}
DatagramSocket ds = new DatagramSocket(new InetSocketAddress(
InetAddress.getLocalHost(), 0));
assertTrue(ds.getBroadcast());
assertTrue("Created socket with incorrect port", ds.getLocalPort() != 0);
assertEquals("Created socket with incorrect address", InetAddress
.getLocalHost(), ds.getLocalAddress());
try {
ds = new java.net.DatagramSocket(new UnsupportedSocketAddress());
fail("No exception when constructing datagramSocket with unsupported SocketAddress type");
} catch (IllegalArgumentException e) {
// Expected
}
// regression for HARMONY-894
ds = new DatagramSocket((SocketAddress) null);
assertTrue(ds.getBroadcast());
}
/**
* @tests java.net.DatagramSocket#bind(java.net.SocketAddress)
*/
public void test_bindLjava_net_SocketAddress() throws Exception {
class mySocketAddress extends SocketAddress {
public mySocketAddress() {
}
}
DatagramServer server = null;
// now create a socket that is not bound and then bind it
int[] ports = Support_PortManager.getNextPortsForUDP(3);
int portNumber = ports[0];
int serverPortNumber = ports[1];
DatagramSocket theSocket = new DatagramSocket(new InetSocketAddress(
InetAddress.getLocalHost(), portNumber));
// validate that the localSocketAddress reflects the address we
// bound to
assertTrue(
"Local address not correct after bind:"
+ theSocket.getLocalSocketAddress().toString()
+ "Expected: "
+ (new InetSocketAddress(InetAddress.getLocalHost(),
portNumber)).toString(), theSocket
.getLocalSocketAddress().equals(
new InetSocketAddress(InetAddress
.getLocalHost(), portNumber)));
// now make sure that datagrams sent from this socket appear to come
// from the address we bound to
InetAddress localHost = InetAddress.getLocalHost();
portNumber = ports[2];
DatagramSocket ds = new DatagramSocket(null);
ds.bind(new InetSocketAddress(localHost, portNumber));
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
ds.connect(new InetSocketAddress(localHost, serverPortNumber));
byte[] sendBytes = { 'T', 'e', 's', 't', 0 };
DatagramPacket send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
Thread.sleep(1000);
ds.close();
assertTrue("Address in packet sent does not match address bound to:"
+ server.rdp.getAddress() + ":" + server.rdp.getPort() + ":"
+ localHost + ":" + portNumber, (server.rdp.getAddress()
.equals(localHost))
&& (server.rdp.getPort() == portNumber));
// validate if we pass in null that it picks an address for us and
// all is ok
theSocket = new DatagramSocket(null);
theSocket.bind(null);
assertNotNull("Bind with null did not work", theSocket
.getLocalSocketAddress());
theSocket.close();
// now check the error conditions
// Address we cannot bind to
theSocket = new DatagramSocket(null);
try {
theSocket.bind(new InetSocketAddress(InetAddress
.getByAddress(Support_Configuration.nonLocalAddressBytes),
Support_PortManager.getNextPortForUDP()));
fail("No exception when binding to bad address");
} catch (SocketException ex) {
}
theSocket.close();
// Address that we have allready bound to
ports = Support_PortManager.getNextPortsForUDP(2);
theSocket = new DatagramSocket(null);
DatagramSocket theSocket2 = new DatagramSocket(ports[0]);
try {
InetSocketAddress theAddress = new InetSocketAddress(InetAddress
.getLocalHost(), ports[1]);
theSocket.bind(theAddress);
theSocket2.bind(theAddress);
fail("No exception binding to address that is not available");
} catch (SocketException ex) {
}
theSocket.close();
theSocket2.close();
// unsupported SocketAddress subclass
theSocket = new DatagramSocket(null);
try {
theSocket.bind(new mySocketAddress());
fail("No exception when binding using unsupported SocketAddress subclass");
} catch (IllegalArgumentException ex) {
}
theSocket.close();
if (server != null) {
server.stopServer();
}
}
/**
* @tests java.net.DatagramSocket#connect(java.net.SocketAddress)
*/
public void test_connectLjava_net_SocketAddress() throws Exception {
// validate that we get the PortUnreachable exception if we try to
// send a dgram to a server that is not running and then do a recv
try {
ds = new java.net.DatagramSocket();
InetAddress inetAddress = InetAddress.getLocalHost();
int portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(new InetSocketAddress(inetAddress, portNumber));
DatagramPacket send = new DatagramPacket(new byte[10], 10);
ds.send(send);
DatagramPacket receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(10000);
ds.receive(receive);
ds.close();
fail("No PortUnreachableException when connected at native level on recv ");
} catch (PortUnreachableException e) {
// Expected
}
// validate that we can send/receive with datagram sockets connected at
// the native level
DatagramServer server = null;
int[] ports = Support_PortManager.getNextPortsForUDP(3);
int serverPortNumber = ports[0];
InetAddress localHost = InetAddress.getLocalHost();
DatagramSocket ds = new DatagramSocket(ports[1]);
DatagramSocket ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
int port = ds.getLocalPort();
ds.connect(new InetSocketAddress(localHost, serverPortNumber));
final byte[] sendBytes = { 'T', 'e', 's', 't', 0 };
DatagramPacket send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
DatagramPacket receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("Wrong size data received: " + receive.getLength(), receive
.getLength() == sendBytes.length);
assertTrue("Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("Wrong receiver:" + receive.getAddress() + ":" + localHost,
receive.getAddress().equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can disconnect
try {
ds = new java.net.DatagramSocket();
InetAddress inetAddress = InetAddress.getLocalHost();
int portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(new InetSocketAddress(inetAddress, portNumber));
ds.disconnect();
ds.close();
} catch (PortUnreachableException e) {
// Expected
}
// validate that once connected we cannot send to another address
try {
ds = new java.net.DatagramSocket();
InetAddress inetAddress = InetAddress.getLocalHost();
int portNumber = Support_PortManager.getNextPortForUDP();
ds.connect(new InetSocketAddress(inetAddress, portNumber));
DatagramPacket senddp = new DatagramPacket(new byte[10], 10,
inetAddress, portNumber + 1);
ds.send(senddp);
ds.close();
fail("No Exception when trying to send to a different address on a connected socket ");
} catch (IllegalArgumentException e) {
// Expected
}
// validate that we can connect, then disconnect, then connect then
// send/recv
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(new InetSocketAddress(localHost, serverPortNumber + 1));
ds.disconnect();
ds.connect(new InetSocketAddress(localHost, serverPortNumber));
send = new DatagramPacket(sendBytes, sendBytes.length);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("connect/disconnect/connect - Wrong size data received: "
+ receive.getLength(), receive.getLength() == sendBytes.length);
assertTrue("connect/disconnect/connect - Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("connect/disconnect/connect - Wrong receiver:"
+ receive.getAddress() + ":" + localHost, receive.getAddress()
.equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can connect/disconnect then send/recv to any address
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(new InetSocketAddress(localHost, serverPortNumber + 1));
ds.disconnect();
send = new DatagramPacket(sendBytes, sendBytes.length, localHost,
serverPortNumber);
ds.send(send);
receive = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receive);
ds.close();
assertTrue("connect/disconnect - Wrong size data received: "
+ receive.getLength(), receive.getLength() == sendBytes.length);
assertTrue("connect/disconnect - Wrong data received"
+ new String(receive.getData(), 0, receive.getLength()) + ":"
+ new String(sendBytes), new String(receive.getData(), 0,
receive.getLength()).equals(new String(sendBytes)));
assertTrue("connect/disconnect - Wrong receiver:"
+ receive.getAddress() + ":" + localHost, receive.getAddress()
.equals(localHost));
if (server != null) {
server.stopServer();
}
// validate that we can connect on an allready connected socket and then
// send/recv
server = null;
ports = Support_PortManager.getNextPortsForUDP(3);
serverPortNumber = ports[0];
localHost = InetAddress.getLocalHost();
ds = new DatagramSocket(ports[1]);
ds2 = new DatagramSocket(ports[2]);
server = new DatagramServer(serverPortNumber, localHost);
server.start();
Thread.sleep(1000);
port = ds.getLocalPort();
ds.connect(new InetSocketAddress(localHost, serverPortNumber + 1));
ds.connect(new InetSocketAddress(localHost, serverPortNumber));
byte[] sendTestBytes = { 'T', 'e', 's', 't', 0 };
send = new DatagramPacket(sendTestBytes, sendTestBytes.length);
ds.send(send);
DatagramPacket receivedp = new DatagramPacket(new byte[20], 20);
ds.setSoTimeout(2000);
ds.receive(receivedp);
ds.close();
assertTrue("connect/connect - Wrong size data received: "
+ receivedp.getLength(),
receivedp.getLength() == sendTestBytes.length);
assertTrue("connect/connect - Wrong data received"
+ new String(receivedp.getData(), 0, receivedp.getLength())
+ ":" + new String(sendTestBytes), new String(receivedp
.getData(), 0, receivedp.getLength()).equals(new String(
sendTestBytes)));
assertTrue("connect/connect - Wrong receiver:" + receivedp.getAddress()
+ ":" + localHost, receivedp.getAddress().equals(localHost));
if (server != null) {
server.stopServer();
}
// test for when we fail to connect at the native level. It seems to
// fail for the any address so we use this. Now to be compatible we
// don't throw the exception but eat it and then act as if we were
// connected at the Java level.
try {
ds = new java.net.DatagramSocket();
byte[] addressBytes = { 0, 0, 0, 0 };
InetAddress inetAddress = InetAddress.getByAddress(addressBytes);
int portNumber = Support_PortManager.getNextPortForUDP();
InetAddress localHostIA = InetAddress.getLocalHost();
ds.connect(new InetSocketAddress(inetAddress, portNumber));
assertTrue("Is not connected after connect to inaddr any", ds
.isConnected());
byte[] sendBytesArray = { 'T', 'e', 's', 't', 0 };
DatagramPacket senddp = new DatagramPacket(sendBytesArray,
sendBytesArray.length, localHostIA, portNumber);
ds.send(senddp);
fail("No exception when trying to connect at native level with bad address (exception from send) ");
} catch (IllegalArgumentException e) {
// Expected
}
}
/**
* @tests java.net.DatagramSocket#isBound()
*/
public void test_isBound() throws Exception {
InetAddress addr = InetAddress.getLocalHost();
int[] ports = Support_PortManager.getNextPortsForUDP(3);
int port = ports[0];
DatagramSocket theSocket = new DatagramSocket(ports[1]);
assertTrue("Socket indicated not bound when it should be (1)",
theSocket.isBound());
theSocket.close();
theSocket = new DatagramSocket(new InetSocketAddress(addr, port));
assertTrue("Socket indicated not bound when it should be (2)",
theSocket.isBound());
theSocket.close();
theSocket = new DatagramSocket(null);
assertFalse("Socket indicated bound when it should not be (1)",
theSocket.isBound());
theSocket.close();
// connect causes implicit bind
theSocket = new DatagramSocket(null);
theSocket.connect(new InetSocketAddress(addr, port));
assertTrue("Socket indicated not bound when it should be (3)",
theSocket.isBound());
theSocket.close();
// now test when we bind explicitely
InetSocketAddress theLocalAddress = new InetSocketAddress(InetAddress
.getLocalHost(), ports[2]);
theSocket = new DatagramSocket(null);
assertFalse("Socket indicated bound when it should not be (2)",
theSocket.isBound());
theSocket.bind(theLocalAddress);
assertTrue("Socket indicated not bound when it should be (4)",
theSocket.isBound());
theSocket.close();
assertTrue("Socket indicated not bound when it should be (5)",
theSocket.isBound());
}
/**
* @tests java.net.DatagramSocket#isConnected()
*/
public void test_isConnected() throws Exception {
InetAddress addr = InetAddress.getLocalHost();
int[] ports = Support_PortManager.getNextPortsForUDP(4);
int port = ports[0];
// base test
DatagramSocket theSocket = new DatagramSocket(ports[1]);
assertFalse("Socket indicated connected when it should not be",
theSocket.isConnected());
theSocket.connect(new InetSocketAddress(addr, port));
assertTrue("Socket indicated not connected when it should be",
theSocket.isConnected());
// reconnect the socket and make sure we get the right answer
theSocket.connect(new InetSocketAddress(addr, ports[2]));
assertTrue("Socket indicated not connected when it should be",
theSocket.isConnected());
// now disconnect the socket and make sure we get the right answer
theSocket.disconnect();
assertFalse("Socket indicated connected when it should not be",
theSocket.isConnected());
theSocket.close();
// now check behavior when socket is closed when connected
theSocket = new DatagramSocket(ports[3]);
theSocket.connect(new InetSocketAddress(addr, port));
theSocket.close();
assertTrue("Socket indicated not connected when it should be",
theSocket.isConnected());
}
/**
* @tests java.net.DatagramSocket#getRemoteSocketAddress()
*/
public void test_getRemoteSocketAddress() throws Exception {
int[] ports = Support_PortManager.getNextPortsForUDP(3);
int sport = ports[0];
int portNumber = ports[1];
DatagramSocket s = new DatagramSocket(new InetSocketAddress(InetAddress
.getLocalHost(), portNumber));
s.connect(new InetSocketAddress(InetAddress.getLocalHost(), sport));
assertTrue("Returned incorrect InetSocketAddress(1):"
+ s.getLocalSocketAddress().toString(),
s.getRemoteSocketAddress()
.equals(
new InetSocketAddress(InetAddress
.getLocalHost(), sport)));
s.close();
// now create one that is not connected and validate that we get the
// right answer
DatagramSocket theSocket = new DatagramSocket(null);
portNumber = ports[2];
theSocket.bind(new InetSocketAddress(InetAddress.getLocalHost(),
portNumber));
assertNull("Returned incorrect InetSocketAddress -unconnected socket:"
+ "Expected: NULL", theSocket.getRemoteSocketAddress());
// now connect and validate we get the right answer
theSocket.connect(new InetSocketAddress(InetAddress.getLocalHost(),
sport));
assertTrue("Returned incorrect InetSocketAddress(2):"
+ theSocket.getRemoteSocketAddress().toString(),
theSocket.getRemoteSocketAddress()
.equals(
new InetSocketAddress(InetAddress
.getLocalHost(), sport)));
theSocket.close();
}
/**
* @tests java.net.DatagramSocket#getLocalSocketAddress()
*/
public void test_getLocalSocketAddress() throws Exception {
int portNumber = Support_PortManager.getNextPortForUDP();
DatagramSocket s = new DatagramSocket(new InetSocketAddress(InetAddress
.getLocalHost(), portNumber));
assertTrue(
"Returned incorrect InetSocketAddress(1):"
+ s.getLocalSocketAddress().toString()
+ "Expected: "
+ (new InetSocketAddress(InetAddress.getLocalHost(),
portNumber)).toString(), s
.getLocalSocketAddress().equals(
new InetSocketAddress(InetAddress
.getLocalHost(), portNumber)));
s.close();
InetSocketAddress remoteAddress = (InetSocketAddress) s
.getRemoteSocketAddress();
// now create a socket that is not bound and validate we get the
// right answer
DatagramSocket theSocket = new DatagramSocket(null);
assertNull(
"Returned incorrect InetSocketAddress -unbound socket- Expected null",
theSocket.getLocalSocketAddress());
// now bind the socket and make sure we get the right answer
portNumber = Support_PortManager.getNextPortForUDP();
theSocket.bind(new InetSocketAddress(InetAddress.getLocalHost(),
portNumber));
assertTrue(
"Returned incorrect InetSocketAddress(2):"
+ theSocket.getLocalSocketAddress().toString()
+ "Expected: "
+ (new InetSocketAddress(InetAddress.getLocalHost(),
portNumber)).toString(), theSocket
.getLocalSocketAddress().equals(
new InetSocketAddress(InetAddress
.getLocalHost(), portNumber)));
theSocket.close();
// now validate thet behaviour when the any address is returned
s = new DatagramSocket(0);
String preferIPv4StackValue = System
.getProperty("java.net.preferIPv4Stack");
String preferIPv6AddressesValue = System
.getProperty("java.net.preferIPv6Addresses");
if (((preferIPv4StackValue == null) || preferIPv4StackValue
.equalsIgnoreCase("false"))
&& (preferIPv6AddressesValue != null)
&& (preferIPv6AddressesValue.equals("true"))) {
assertTrue(
"ANY address not returned correctly with preferIPv6Addresses=true, preferIPv4Stack=false "
+ s.getLocalSocketAddress(),
((InetSocketAddress) s.getLocalSocketAddress())
.getAddress() instanceof Inet6Address);
} else {
assertTrue(
"ANY address not returned correctly with preferIPv6Addresses=true, preferIPv4Stack=true "
+ s.getLocalSocketAddress(),
((InetSocketAddress) s.getLocalSocketAddress())
.getAddress() instanceof Inet4Address);
}
s.close();
}
/**
* @tests java.net.DatagramSocket#setReuseAddress(boolean)
*/
public void test_setReuseAddressZ() throws Exception {
try {
// test case were we set it to false
DatagramSocket theSocket1 = null;
DatagramSocket theSocket2 = null;
try {
InetSocketAddress theAddress = new InetSocketAddress(
InetAddress.getLocalHost(), Support_PortManager
.getNextPortForUDP());
theSocket1 = new DatagramSocket(null);
theSocket2 = new DatagramSocket(null);
theSocket1.setReuseAddress(false);
theSocket2.setReuseAddress(false);
theSocket1.bind(theAddress);
theSocket2.bind(theAddress);
fail("No exception when trying to connect to do duplicate socket bind with re-useaddr set to false");
} catch (BindException e) {
}
if (theSocket1 != null)
theSocket1.close();
if (theSocket2 != null)
theSocket2.close();
// test case were we set it to true
InetSocketAddress theAddress = new InetSocketAddress(InetAddress
.getLocalHost(), Support_PortManager.getNextPortForUDP());
theSocket1 = new DatagramSocket(null);
theSocket2 = new DatagramSocket(null);
theSocket1.setReuseAddress(true);
theSocket2.setReuseAddress(true);
theSocket1.bind(theAddress);
theSocket2.bind(theAddress);
if (theSocket1 != null)
theSocket1.close();
if (theSocket2 != null)
theSocket2.close();
// test the default case which we expect to be the same on all
// platforms
try {
theAddress = new InetSocketAddress(InetAddress.getLocalHost(),
Support_PortManager.getNextPortForUDP());
theSocket1 = new DatagramSocket(null);
theSocket2 = new DatagramSocket(null);
theSocket1.bind(theAddress);
theSocket2.bind(theAddress);
fail("No exception when trying to connect to do duplicate socket bind with re-useaddr left as default");
} catch (BindException e) {
}
if (theSocket1 != null)
theSocket1.close();
if (theSocket2 != null)
theSocket2.close();
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_REUSEADDR);
} catch (Exception e) {
handleException(e, SO_REUSEADDR);
}
}
/**
* @tests java.net.DatagramSocket#getReuseAddress()
*/
public void test_getReuseAddress() {
try {
DatagramSocket theSocket = new DatagramSocket();
theSocket.setReuseAddress(true);
assertTrue("getReuseAddress false when it should be true",
theSocket.getReuseAddress());
theSocket.setReuseAddress(false);
assertFalse("getReuseAddress true when it should be False",
theSocket.getReuseAddress());
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_REUSEADDR);
} catch (Exception e) {
handleException(e, SO_REUSEADDR);
}
}
/**
* @tests java.net.DatagramSocket#setBroadcast(boolean)
*/
public void test_setBroadcastZ() {
try {
int[] ports = Support_PortManager.getNextPortsForUDP(3);
DatagramSocket theSocket = new DatagramSocket(ports[0]);
theSocket.setBroadcast(false);
byte theBytes[] = { -1, -1, -1, -1 };
// validate we cannot connect to the broadcast address when
// setBroadcast is false
try {
theSocket.connect(new InetSocketAddress(InetAddress
.getByAddress(theBytes), ports[1]));
assertFalse(
"No exception when connecting to broadcast address with setBroadcast(false)",
theSocket.getBroadcast());
} catch (Exception ex) {
}
// now validate that we can connect to the broadcast address when
// setBroadcast is true
theSocket.setBroadcast(true);
theSocket.connect(new InetSocketAddress(InetAddress
.getByAddress(theBytes), ports[2]));
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_BROADCAST);
} catch (Exception e) {
handleException(e, SO_BROADCAST);
}
}
/**
* @tests java.net.DatagramSocket#getBroadcast()
*/
public void test_getBroadcast() {
try {
DatagramSocket theSocket = new DatagramSocket();
theSocket.setBroadcast(true);
assertTrue("getBroadcast false when it should be true", theSocket
.getBroadcast());
theSocket.setBroadcast(false);
assertFalse("getBroadcast true when it should be False", theSocket
.getBroadcast());
ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_BROADCAST);
} catch (Exception e) {
handleException(e, SO_BROADCAST);
}
}
/**
* @tests java.net.DatagramSocket#setTrafficClass(int)
*/
public void test_setTrafficClassI() {
try {
int IPTOS_LOWCOST = 0x2;
int IPTOS_RELIABILTY = 0x4;
int IPTOS_THROUGHPUT = 0x8;
int IPTOS_LOWDELAY = 0x10;
int[] ports = Support_PortManager.getNextPortsForUDP(2);
new InetSocketAddress(InetAddress.getLocalHost(), ports[0]);
DatagramSocket theSocket = new DatagramSocket(ports[1]);
// validate that value set must be between 0 and 255
try {
theSocket.setTrafficClass(256);
fail("No exception when traffic class set to 256");
} catch (IllegalArgumentException e) {
}
try {
theSocket.setTrafficClass(-1);
fail("No exception when traffic class set to -1");
} catch (IllegalArgumentException e) {
}
// now validate that we can set it to some good values
theSocket.setTrafficClass(IPTOS_LOWCOST);
theSocket.setTrafficClass(IPTOS_THROUGHPUT);
ensureExceptionThrownIfOptionIsUnsupportedOnOS(IP_TOS);
} catch (Exception e) {
handleException(e, IP_TOS);
}
}
/**
* @tests java.net.DatagramSocket#getTrafficClass()
*/
public void test_getTrafficClass() {
try {
int IPTOS_LOWCOST = 0x2;
int IPTOS_RELIABILTY = 0x4;
int IPTOS_THROUGHPUT = 0x8;
int IPTOS_LOWDELAY = 0x10;
int[] ports = Support_PortManager.getNextPortsForUDP(2);
new InetSocketAddress(InetAddress.getLocalHost(), ports[0]);
DatagramSocket theSocket = new DatagramSocket(ports[1]);
/*
* we cannot actually check that the values are set as if a platform
* does not support the option then it may come back unset even
* though we set it so just get the value to make sure we can get it
*/
int trafficClass = theSocket.getTrafficClass();
} catch (Exception e) {
handleException(e, IP_TOS);
}
}
/**
* @tests java.net.DatagramSocket#isClosed()
*/
public void test_isClosed() throws Exception {
DatagramSocket theSocket = new DatagramSocket();
// validate isClosed returns expected values
assertFalse("Socket should indicate it is not closed(1):", theSocket
.isClosed());
theSocket.close();
assertTrue("Socket should indicate it is not closed(1):", theSocket
.isClosed());
InetSocketAddress theAddress = new InetSocketAddress(InetAddress
.getLocalHost(), Support_PortManager.getNextPortForUDP());
theSocket = new DatagramSocket(theAddress);
assertFalse("Socket should indicate it is not closed(2):", theSocket
.isClosed());
theSocket.close();
assertTrue("Socket should indicate it is not closed(2):", theSocket
.isClosed());
}
/**
* @tests java.net.DatagramSocket#getChannel()
*/
public void test_getChannel() throws SocketException {
assertNull(new DatagramSocket().getChannel());
}
/**
* Sets up the fixture, for example, open a network connection. This method
* is called before a test is executed.
*/
protected void setUp() {
retval = "Bogus retval";
}
/**
* Tears down the fixture, for example, close a network connection. This
* method is called after a test is executed.
*/
protected void tearDown() {
try {
ds.close();
sds.close();
} catch (Exception e) {
}
}
protected void receive_oversize_java_net_DatagramPacket() {
final int[] ports = Support_PortManager.getNextPortsForUDP(2);
final int portNumber = ports[0];
class TestDGRcvOver implements Runnable {
public void run() {
InetAddress localHost = null;
try {
localHost = InetAddress.getLocalHost();
Thread.sleep(1000);
DatagramSocket sds = new DatagramSocket(ports[1]);
DatagramPacket rdp = new DatagramPacket("0123456789"
.getBytes(), 10, localHost, portNumber);
sds.send(rdp);
sds.close();
} catch (Exception e) {
System.err.println("host " + localHost + " port "
+ portNumber + " failed to send oversize data: "
+ e);
e.printStackTrace();
}
}
}
try {
new Thread(new TestDGRcvOver(), "DGSenderOver").start();
ds = new java.net.DatagramSocket(portNumber);
ds.setSoTimeout(6000);
byte rbuf[] = new byte[5];
DatagramPacket rdp = new DatagramPacket(rbuf, rbuf.length);
;
ds.receive(rdp);
ds.close();
assertTrue("Send/Receive oversize failed to return correct data: "
+ new String(rbuf, 0, 5), new String(rbuf, 0, 5)
.equals("01234"));
} catch (Exception e) {
System.err.println("Exception during send test: " + e);
e.printStackTrace();
fail("port " + portNumber + " Exception: " + e
+ " during oversize send test");
} finally {
ds.close();
}
}
}