+++ /dev/null
-/* DatagramSocketImpl.java -- Abstract class for UDP socket implementations
- Copyright (C) 1998, 1999 2000, 2001, 2002 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.net;
-
-import java.io.IOException;
-import java.io.FileDescriptor;
-
-/**
- * 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.
- *
- * <p>This abstract class models a datagram socket implementation. An
- * actual implementation class would implement these methods, probably
- * via redirecting them to native code.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Warren Levy <warrenl@cygnus.com>
- */
-public abstract class DatagramSocketImpl implements SocketOptions
-{
-
- /**
- * The local port to which this socket is bound
- */
- protected int localPort;
-
- /**
- * The FileDescriptor object for this object.
- */
- protected FileDescriptor fd;
-
- /**
- * Default, no-argument constructor for subclasses to call.
- */
- public DatagramSocketImpl()
- {
- }
-
- /**
- * This method binds the socket to the specified local port and address.
- *
- * @param lport The port number to bind to
- * @param laddr The address to bind to
- *
- * @exception SocketException If an error occurs
- */
- protected abstract void bind(int lport, InetAddress laddr)
- throws SocketException;
-
- /**
- * This methods closes the socket
- */
- protected abstract void close();
-
- /**
- * Creates a new datagram socket.
- *
- * @exception SocketException If an error occurs
- */
- protected abstract void create() throws SocketException;
-
- /**
- * Takes a peek at the next packet received in order to retrieve the
- * address of the sender
- *
- * @param i The InetAddress to fill in with the information about the
- * sender if the next packet
- *
- * @return The port number of the sender of the packet
- *
- * @exception IOException If an error occurs
- */
- protected abstract int peek(InetAddress i) throws IOException;
-
- /**
- * Transmits the specified packet of data to the network. The destination
- * host and port should be encoded in the packet.
- *
- * @param p The packet to send
- *
- * @exception IOException If an error occurs
- */
- protected abstract void send(DatagramPacket p) throws IOException;
-
- /**
- * Receives a packet of data from the network Will block until a packet
- * arrives. The packet info in populated into the passed in
- * DatagramPacket object.
- *
- * @param p A place to store the incoming packet.
- *
- * @exception IOException If an error occurs
- */
- protected abstract void receive(DatagramPacket p) throws IOException;
-
- /**
- * Sets the Time to Live (TTL) setting on this socket to the specified
- * value. <b>Use <code>setTimeToLive(int)</code></b> instead.
- *
- * @param ttl The new Time to Live value
- *
- * @exception IOException If an error occurs
- * @deprecated
- */
- protected abstract void setTTL(byte ttl) throws IOException;
-
- /**
- * This method returns the current Time to Live (TTL) setting on this
- * socket. <b>Use <code>getTimeToLive()</code></b> instead.
- *
- * @exception IOException If an error occurs
- * @deprecated
- */
- protected abstract byte getTTL() throws IOException;
-
- /**
- * Sets the Time to Live (TTL) setting on this socket to the specified
- * value.
- *
- * @param ttl The new Time to Live value
- *
- * @exception IOException If an error occurs
- */
- protected abstract void setTimeToLive(int ttl) throws IOException;
-
- /**
- * This method returns the current Time to Live (TTL) setting on this
- * socket.
- *
- * @exception IOException If an error occurs
- */
- protected abstract int getTimeToLive() throws IOException;
-
- /**
- * Causes this socket to join the specified multicast group
- *
- * @param inetaddr The multicast address to join with
- *
- * @exception IOException If an error occurs
- */
- protected abstract void join(InetAddress inetaddr) throws IOException;
-
- /**
- * Causes the socket to leave the specified multicast group.
- *
- * @param inetaddr The multicast address to leave
- *
- * @exception IOException If an error occurs
- */
- protected abstract void leave(InetAddress inetaddr) throws IOException;
-
- /**
- * Returns the FileDescriptor for this socket
- */
- protected FileDescriptor getFileDescriptor()
- {
- return fd;
- }
-
- /**
- * Returns the local port this socket is bound to
- */
- protected int getLocalPort()
- {
- return localPort;
- }
-
- /**
- * Sets the specified option on a socket to the passed in object. For
- * options that take an integer argument, the passed in object is an
- * <code>Integer</code>. For options that are set to on or off, the
- * value passed will be a <code>Boolean</code>. The <code>option_id</code>
- * parameter is one of the defined constants in the superinterface.
- *
- * @param option_id The identifier of the option
- * @param val The value to set the option to
- *
- * @exception SocketException If an error occurs
- * @XXX This redeclaration from SocketOptions is a workaround to a gcj bug.
- */
- public abstract void setOption(int option_id, Object val)
- throws SocketException;
-
- /**
- * Returns the current setting of the specified option. The
- * <code>Object</code> returned will be an <code>Integer</code> for options
- * that have integer values. For options that are set to on or off, a
- * <code>Boolean</code> will be returned. The <code>option_id</code>
- * is one of the defined constants in the superinterface.
- *
- * @param option_id The option identifier
- *
- * @return The current value of the option
- *
- * @exception SocketException If an error occurs
- * @XXX This redeclaration from SocketOptions is a workaround to a gcj bug.
- */
- public abstract Object getOption(int option_id) throws SocketException;
-}
projects / msp430-gcc.git / blobdiff