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/*
* Java Unix Sockets Library
*
* Copyright (c) Matthew Johnson 2004
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* To Contact the author, please email src@matthew.ath.cx
*
*/
package cx.ath.matthew.unix;
import java.io.IOException;
/**
* Represents a listening UNIX Socket.
*/
public class UnixServerSocket
{
static { System.loadLibrary("unix-java"); }
private native int native_bind(String address, boolean abs) throws IOException;
private native void native_close(int sock) throws IOException;
private native int native_accept(int sock) throws IOException;
private UnixSocketAddress address = null;
private boolean bound = false;
private boolean closed = false;
private int sock;
/**
* Create an un-bound server socket.
*/
public UnixServerSocket()
{
}
/**
* Create a server socket bound to the given address.
* @param address Path to the socket.
*/
public UnixServerSocket(UnixSocketAddress address) throws IOException
{
bind(address);
}
/**
* Create a server socket bound to the given address.
* @param address Path to the socket.
*/
public UnixServerSocket(String address) throws IOException
{
this(new UnixSocketAddress(address));
}
/**
* Accepts a connection on the ServerSocket.
* @return A UnixSocket connected to the accepted connection.
*/
public UnixSocket accept() throws IOException
{
int client_sock = native_accept(sock);
return new UnixSocket(client_sock, address);
}
/**
* Closes the ServerSocket.
*/
public synchronized void close() throws IOException
{
native_close(sock);
sock = 0;
closed = true;
bound = false;
}
/**
* Binds a server socket to the given address.
* @param address Path to the socket.
*/
public void bind(UnixSocketAddress address) throws IOException
{
if (bound) close();
sock = native_bind(address.path, address.abs);
bound = true;
closed = false;
this.address = address;
}
/**
* Binds a server socket to the given address.
* @param address Path to the socket.
*/
public void bind(String address) throws IOException
{
bind(new UnixSocketAddress(address));
}
/**
* Return the address this socket is bound to.
* @return The UnixSocketAddress if bound or null if unbound.
*/
public UnixSocketAddress getAddress()
{
return address;
}
/**
* Check the status of the socket.
* @return True if closed.
*/
public boolean isClosed()
{
return closed;
}
/**
* Check the status of the socket.
* @return True if bound.
*/
public boolean isBound()
{
return bound;
}
}
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