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Diffstat (limited to 'libjava/java/net/DatagramSocket.java')
| -rw-r--r-- | libjava/java/net/DatagramSocket.java | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/libjava/java/net/DatagramSocket.java b/libjava/java/net/DatagramSocket.java deleted file mode 100644 index 334e003f71f..00000000000 --- a/libjava/java/net/DatagramSocket.java +++ /dev/null @@ -1,202 +0,0 @@ -// DatagramSocket.java - -/* Copyright (C) 1999, 2000 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -package java.net; -import java.io.IOException; - -/** - * @author Warren Levy <warrenl@cygnus.com> - * @date May 3, 1999. - */ - -/** - * Written using on-line Java Platform 1.2 API Specification, as well - * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998). - * Status: Believed complete and correct. - */ - -public class DatagramSocket -{ - DatagramSocketImpl impl; - - public DatagramSocket() throws SocketException - { - this(0, ServerSocket.ANY_IF); - } - - public DatagramSocket(int port) throws SocketException - { - this(port, ServerSocket.ANY_IF); - } - - public DatagramSocket(int port, InetAddress laddr) throws SocketException - { - if (port < 0 || port > 65535) - throw new IllegalArgumentException("Invalid port: " + port); - - SecurityManager s = System.getSecurityManager(); - if (s != null) - s.checkListen(port); - - String propVal = System.getProperty("impl.prefix"); - if (propVal == null || propVal.equals("")) - impl = new PlainDatagramSocketImpl(); - else - try - { - impl = (DatagramSocketImpl) Class.forName("java.net." + propVal + - "DatagramSocketImpl").newInstance(); - } - catch (Exception e) - { - System.err.println("Could not instantiate class: java.net." + - propVal + "DatagramSocketImpl"); - impl = new PlainDatagramSocketImpl(); - } - impl.create(); - - // For multicasting, set the socket to be reused (Stevens pp. 195-6). - if (this instanceof MulticastSocket) - impl.setOption(SocketOptions.SO_REUSEADDR, new Boolean(true)); - - impl.bind(port, laddr == null ? ServerSocket.ANY_IF : laddr); - } - - public void close() - { - impl.close(); - } - - public InetAddress getLocalAddress() - { - SecurityManager s = System.getSecurityManager(); - // FIXME: JCL p. 510 says this should call checkConnect. But what - // string should be used as the hostname? Maybe this is just a side - // effect of calling InetAddress.getLocalHost. - // - // And is getOption with SO_BINDADDR the right way to get the address? - // Doesn't seem to be since this method doesn't throw a SocketException - // and SO_BINADDR can throw one. - // - // Also see RETURNS section in JCL p. 510 about returning any local - // addr "if the current execution context is not allowed to connect to - // the network interface that is actually bound to this datagram socket." - // How is that done? via InetAddress.getLocalHost? But that throws - // an UnknownHostException and this method doesn't. - // - // if (s != null) - // s.checkConnect("localhost", -1); - try - { - return (InetAddress)impl.getOption(SocketOptions.SO_BINDADDR); - } - catch (SocketException ex) - { - } - - try - { - return InetAddress.getLocalHost(); - } - catch (UnknownHostException ex) - { - // FIXME: This should never happen, so how can we avoid this construct? - return null; - } - } - - public int getLocalPort() - { - return impl.getLocalPort(); - } - - public synchronized int getSoTimeout() throws SocketException - { - Object timeout = impl.getOption(SocketOptions.SO_TIMEOUT); - if (timeout instanceof Integer) - return ((Integer)timeout).intValue(); - else - return 0; - } - - public synchronized void receive(DatagramPacket p) throws IOException - { - SecurityManager s = System.getSecurityManager(); - if (s != null) - s.checkAccept(p.getAddress().getHostAddress(), p.getPort()); - - impl.receive(p); - } - - public void send(DatagramPacket p) throws IOException - { - // JDK1.2: Don't do security checks if socket is connected; see jdk1.2 api. - SecurityManager s = System.getSecurityManager(); - if (s != null) - { - InetAddress addr = p.getAddress(); - if (addr.isMulticastAddress()) - s.checkMulticast(addr); - else - s.checkConnect(addr.getHostAddress(), p.getPort()); - } - - // FIXME: if this is a subclass of MulticastSocket, use getTTL for TTL val. - impl.send(p); - } - - public synchronized void setSoTimeout(int timeout) throws SocketException - { - if (timeout < 0) - throw new IllegalArgumentException("Invalid timeout: " + timeout); - - impl.setOption(SocketOptions.SO_TIMEOUT, new Integer(timeout)); - } - - // JDK1.2 - // public void connect(InetAddress address, int port) - // { - // } - - // JDK1.2 - // public void disconnect() - // { - // } - - // JDK1.2 - // public InetAddress getInetAddress() - // { - // } - - // JDK1.2 - // public int getPort() - // { - // } - - // JDK1.2 - // public int getReceiveBufferSize() throws SocketException - // { - // } - - // JDK1.2 - // public int getSendBufferSize() throws SocketException - // { - // } - - // JDK1.2 - // public void setReceiveBufferSize(int size) throws SocketException - // { - // } - - // JDK1.2 - // public void setSendBufferSize(int size) throws SocketException - // { - // } -} |