| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed 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 libcore.java.net; |
| |
| import java.io.IOException; |
| import java.net.DatagramPacket; |
| import java.net.DatagramSocket; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.SocketTimeoutException; |
| import java.nio.channels.DatagramChannel; |
| import junit.framework.TestCase; |
| |
| /** |
| * Implements some simple tests for datagrams. Not as excessive as the core |
| * tests, but good enough for the harness. |
| */ |
| public class OldAndroidDatagramTest extends TestCase { |
| |
| /** |
| * Helper class that listens to incoming datagrams and reflects them to the |
| * sender. Incoming datagram is interpreted as a String. It is uppercased |
| * before being sent back. |
| */ |
| |
| class Reflector extends Thread { |
| // Helper class for reflecting incoming datagrams. |
| DatagramSocket socket; |
| |
| boolean alive = true; |
| |
| byte[] buffer = new byte[256]; |
| |
| DatagramPacket packet; |
| |
| /** |
| * Main loop. Receives datagrams and reflects them. |
| */ |
| @Override |
| public void run() { |
| try { |
| while (alive) { |
| try { |
| packet.setLength(buffer.length); |
| socket.receive(packet); |
| String s = stringFromPacket(packet); |
| // System.out.println(s + " (from " + packet.getAddress() + ":" + packet.getPort() + ")"); |
| |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ex) { |
| // Ignore. |
| } |
| |
| stringToPacket(s.toUpperCase(), packet); |
| |
| packet.setAddress(InetAddress.getLocalHost()); |
| packet.setPort(2345); |
| |
| socket.send(packet); |
| } catch (java.io.InterruptedIOException e) { |
| } |
| } |
| } catch (java.io.IOException ex) { |
| ex.printStackTrace(); |
| } finally { |
| socket.close(); |
| } |
| } |
| |
| /** |
| * Creates a new Relfector object for the given local address and port. |
| */ |
| public Reflector(int port, InetAddress address) { |
| try { |
| packet = new DatagramPacket(buffer, buffer.length); |
| socket = new DatagramSocket(port, address); |
| } catch (IOException ex) { |
| throw new RuntimeException( |
| "Creating datagram reflector failed", ex); |
| } |
| } |
| } |
| |
| /** |
| * Converts a given datagram packet's contents to a String. |
| */ |
| static String stringFromPacket(DatagramPacket packet) { |
| return new String(packet.getData(), 0, packet.getLength()); |
| } |
| |
| /** |
| * Converts a given String into a datagram packet. |
| */ |
| static void stringToPacket(String s, DatagramPacket packet) { |
| byte[] bytes = s.getBytes(); |
| System.arraycopy(bytes, 0, packet.getData(), 0, bytes.length); |
| packet.setLength(bytes.length); |
| } |
| |
| /** |
| * Implements the main part of the Datagram test. |
| */ |
| public void testDatagram() throws Exception { |
| |
| Reflector reflector = null; |
| DatagramSocket socket = null; |
| |
| try { |
| // Setup the reflector, so we have a partner to send to |
| reflector = new Reflector(1234, InetAddress.getLocalHost()); |
| reflector.start(); |
| |
| byte[] buffer = new byte[256]; |
| |
| DatagramPacket packet = new DatagramPacket(buffer, buffer.length); |
| socket = new DatagramSocket(2345, InetAddress.getLocalHost()); |
| |
| // Send ten simple packets and check for the expected responses. |
| for (int i = 1; i <= 10; i++) { |
| String s = "Hello, Android world #" + i + "!"; |
| stringToPacket(s, packet); |
| |
| packet.setAddress(InetAddress.getLocalHost()); |
| packet.setPort(1234); |
| |
| socket.send(packet); |
| |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ex) { |
| // Ignore. |
| } |
| |
| packet.setLength(buffer.length); |
| socket.receive(packet); |
| String t = stringFromPacket(packet); |
| // System.out.println(t + " (from " + packet.getAddress() + ":" + packet.getPort() + ")"); |
| |
| assertEquals(s.toUpperCase(), t); |
| } |
| } finally { |
| if (reflector != null) { |
| reflector.alive = false; |
| } |
| |
| if (socket != null) { |
| socket.close(); |
| } |
| } |
| } |
| |
| // Regression test for issue 1018003: DatagramSocket ignored a set timeout. |
| public void testDatagramSocketSetSOTimeout() throws Exception { |
| DatagramSocket sock = null; |
| int timeout = 5000; |
| long start = System.currentTimeMillis(); |
| try { |
| sock = new DatagramSocket(); |
| DatagramPacket pack = new DatagramPacket(new byte[100], 100); |
| sock.setSoTimeout(timeout); |
| sock.receive(pack); |
| } catch (SocketTimeoutException e) { |
| // expected |
| long delay = System.currentTimeMillis() - start; |
| if (Math.abs(delay - timeout) > 1000) { |
| fail("timeout was not accurate. expected: " + timeout |
| + " actual: " + delay + " miliseconds."); |
| } |
| } finally { |
| if (sock != null) { |
| sock.close(); |
| } |
| } |
| } |
| |
| public void test_54072_DatagramSocket() throws Exception { |
| DatagramSocket s = new DatagramSocket(null); |
| assertTrue(s.getLocalAddress().isAnyLocalAddress()); |
| s.bind(new InetSocketAddress(8888)); |
| assertTrue(s.getLocalAddress().isAnyLocalAddress()); |
| s.close(); |
| assertNull(s.getLocalAddress()); |
| } |
| |
| public void test_54072_DatagramChannel() throws Exception { |
| DatagramChannel ch = DatagramChannel.open(); |
| DatagramSocket s = ch.socket(); |
| assertTrue(s.getLocalAddress().isAnyLocalAddress()); |
| s.bind(new InetSocketAddress(8888)); |
| assertTrue(s.getLocalAddress().isAnyLocalAddress()); |
| s.close(); |
| assertNull(s.getLocalAddress()); |
| } |
| } |