| /* |
| * Copyright (C) 2011 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.nio.channels; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.NetworkInterface; |
| import java.net.ServerSocket; |
| import java.net.SocketException; |
| import java.net.StandardSocketOptions; |
| import java.nio.channels.AlreadyBoundException; |
| import java.nio.channels.ClosedChannelException; |
| import java.nio.channels.ServerSocketChannel; |
| import java.nio.channels.SocketChannel; |
| import java.nio.channels.UnresolvedAddressException; |
| import java.nio.channels.UnsupportedAddressTypeException; |
| import java.util.Enumeration; |
| import java.util.Set; |
| |
| public class ServerSocketChannelTest extends junit.framework.TestCase { |
| // http://code.google.com/p/android/issues/detail?id=16579 |
| public void testNonBlockingAccept() throws Exception { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| try { |
| ssc.configureBlocking(false); |
| ssc.socket().bind(null); |
| // Should return immediately, since we're non-blocking. |
| assertNull(ssc.accept()); |
| } finally { |
| ssc.close(); |
| } |
| } |
| |
| /** Checks the state of the ServerSocketChannel and associated ServerSocket after open() */ |
| public void test_open_initialState() throws Exception { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| try { |
| assertNull(ssc.socket().getLocalSocketAddress()); |
| |
| ServerSocket socket = ssc.socket(); |
| assertFalse(socket.isBound()); |
| assertFalse(socket.isClosed()); |
| assertEquals(-1, socket.getLocalPort()); |
| assertNull(socket.getLocalSocketAddress()); |
| assertNull(socket.getInetAddress()); |
| assertTrue(socket.getReuseAddress()); |
| |
| assertSame(ssc, socket.getChannel()); |
| } finally { |
| ssc.close(); |
| } |
| } |
| |
| public void test_bind_unresolvedAddress() throws IOException { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| try { |
| ssc.socket().bind(new InetSocketAddress("unresolvedname", 31415)); |
| fail(); |
| } catch (SocketException expected) { |
| } |
| |
| assertNull(ssc.socket().getLocalSocketAddress()); |
| assertTrue(ssc.isOpen()); |
| |
| ssc.close(); |
| } |
| |
| public void test_bind_nullBindsToAll() throws Exception { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| ssc.socket().bind(null); |
| InetSocketAddress boundAddress = (InetSocketAddress) ssc.socket().getLocalSocketAddress(); |
| assertTrue(boundAddress.getAddress().isAnyLocalAddress()); |
| assertFalse(boundAddress.getAddress().isLinkLocalAddress()); |
| assertFalse(boundAddress.getAddress().isLoopbackAddress()); |
| |
| // Attempt to connect to the "any" address. |
| assertTrue(canConnect(boundAddress)); |
| |
| // Go through all local IPs and try to connect to each in turn - all should succeed. |
| Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); |
| while (interfaces.hasMoreElements()) { |
| NetworkInterface nic = interfaces.nextElement(); |
| Enumeration<InetAddress> inetAddresses = nic.getInetAddresses(); |
| while (inetAddresses.hasMoreElements()) { |
| InetSocketAddress address = |
| new InetSocketAddress(inetAddresses.nextElement(), boundAddress.getPort()); |
| assertTrue(canConnect(address)); |
| } |
| } |
| |
| ssc.close(); |
| } |
| |
| public void test_bind_loopback() throws Exception { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| ssc.socket().bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0)); |
| InetSocketAddress boundAddress = (InetSocketAddress) ssc.socket().getLocalSocketAddress(); |
| assertFalse(boundAddress.getAddress().isAnyLocalAddress()); |
| assertFalse(boundAddress.getAddress().isLinkLocalAddress()); |
| assertTrue(boundAddress.getAddress().isLoopbackAddress()); |
| |
| // Attempt to connect to the "loopback" address. Note: There can be several loopback |
| // addresses, such as 127.0.0.1 (IPv4) and 0:0:0:0:0:0:0:1 (IPv6) and only one will be |
| // bound. |
| InetSocketAddress loopbackAddress = |
| new InetSocketAddress(InetAddress.getLoopbackAddress(), boundAddress.getPort()); |
| assertTrue(canConnect(loopbackAddress)); |
| |
| // Go through all local IPs and try to connect to each in turn - all should fail except |
| // for the loopback. |
| Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); |
| while (interfaces.hasMoreElements()) { |
| NetworkInterface nic = interfaces.nextElement(); |
| Enumeration<InetAddress> inetAddresses = nic.getInetAddresses(); |
| while (inetAddresses.hasMoreElements()) { |
| InetSocketAddress address = |
| new InetSocketAddress(inetAddresses.nextElement(), boundAddress.getPort()); |
| if (!address.equals(loopbackAddress)) { |
| assertFalse(canConnect(address)); |
| } |
| } |
| } |
| |
| ssc.close(); |
| } |
| |
| public void test_bind$SocketAddress() throws IOException { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| ssc.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0)); |
| assertEquals(InetAddress.getLoopbackAddress(), |
| ((InetSocketAddress)(ssc.getLocalAddress())).getAddress()); |
| assertTrue(((InetSocketAddress)(ssc.getLocalAddress())).getPort() > 0); |
| |
| try { |
| ssc.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), |
| ((InetSocketAddress)(ssc.getLocalAddress())).getPort())); |
| fail(); |
| } catch (AlreadyBoundException expected) { |
| } |
| |
| try { |
| ServerSocketChannel ssc1 = ServerSocketChannel.open(); |
| ssc1.bind(new InetSocketAddress("1.1.1.1.1.1.1", 0)); |
| fail(); |
| } catch (UnresolvedAddressException expected) { |
| } |
| |
| ssc.close(); |
| try { |
| ssc.bind(new InetSocketAddress("1.1.1.1.1.1.1", 0)); |
| fail(); |
| } catch (ClosedChannelException expected) { |
| } |
| } |
| |
| public void test_setOption() throws Exception { |
| ServerSocketChannel sc = ServerSocketChannel.open(); |
| sc.setOption(StandardSocketOptions.SO_REUSEADDR, true); |
| |
| // Assert that we can read back the option from the channel... |
| assertTrue(sc.getOption(StandardSocketOptions.SO_REUSEADDR)); |
| |
| sc.setOption(StandardSocketOptions.SO_REUSEADDR, false); |
| |
| // Assert that we can read back the option from the channel... |
| assertEquals(false, (boolean)sc.getOption(StandardSocketOptions.SO_REUSEADDR)); |
| |
| sc.setOption(StandardSocketOptions.SO_RCVBUF, 1100); |
| assertTrue(1100 <= sc.getOption(StandardSocketOptions.SO_RCVBUF)); |
| |
| sc.close(); |
| try { |
| sc.setOption(StandardSocketOptions.SO_RCVBUF, 2000); |
| fail(); |
| } catch (ClosedChannelException expected) { |
| } |
| } |
| |
| private static boolean canConnect(InetSocketAddress address) { |
| try { |
| SocketChannel socketChannel = SocketChannel.open(address); |
| socketChannel.close(); |
| return true; |
| } catch (IOException e) { |
| return false; |
| } |
| } |
| } |