/*
* Copyright (C) 2009 Wayne Meissner
*
* This file is part of the JNR 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 jnr.unixsocket;
import jnr.constants.platform.ProtocolFamily;
import jnr.constants.platform.Sock;
import jnr.enxio.channels.NativeServerSocketChannel;
import jnr.ffi.byref.IntByReference;
import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.spi.SelectorProvider;
/**
*
*/
public class UnixServerSocketChannel extends NativeServerSocketChannel {
private final UnixServerSocket socket;
UnixServerSocketChannel(UnixServerSocket socket) throws IOException {
super(Native.socket(ProtocolFamily.PF_UNIX, Sock.SOCK_STREAM, 0));
this.socket = new UnixServerSocket(this);
}
UnixServerSocketChannel(SelectorProvider provider, int fd) {
super(provider, fd, SelectionKey.OP_ACCEPT);
this.socket = new UnixServerSocket(this);
}
public static UnixServerSocketChannel open() throws IOException {
return new UnixServerSocket().channel;
}
public UnixSocketChannel accept() throws IOException {
UnixSocketAddress remote = new UnixSocketAddress();
SockAddrUnix addr = remote.getStruct();
IntByReference len = new IntByReference(addr.getMaximumLength());
int clientfd = Native.accept(getFD(), addr, len);
if (clientfd < 0) {
throw new IOException("accept failed: " + Native.getLastErrorString());
}
// Always force the socket back to blocking mode
Native.setBlocking(clientfd, true);
return new UnixSocketChannel(clientfd, remote);
}
public final UnixServerSocket socket() {
return socket;
}
}