/*
* 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 |
SelectionKey.
OP_READ);
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();
int
maxLength =
addr.
getMaximumLength();
IntByReference len = new
IntByReference(
maxLength);
int
clientfd =
Native.
accept(
getFD(),
addr,
len);
if (
clientfd < 0) {
if (
isBlocking()) {
throw new
IOException("accept failed: " +
Native.
getLastErrorString());
}
return null;
}
// Handle unnamed sockets and sockets in Linux' abstract namespace
addr.
updatePath(
len.
getValue());
// Always force the socket back to blocking mode
Native.
setBlocking(
clientfd, true);
return new
UnixSocketChannel(
clientfd);
}
public final
UnixServerSocket socket() {
return
socket;
}
public final
UnixSocketAddress getRemoteSocketAddress() {
return null;
}
public final
UnixSocketAddress getLocalSocketAddress() {
return
socket.
localAddress;
}
}