/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package jdk.internal.net.rdma;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.net.StandardSocketOptions;
import java.nio.channels.IllegalBlockingModeException;
import java.nio.channels.NotYetBoundException;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import sun.nio.ch.Net;
class RdmaServerSocketAdaptor
extends ServerSocket
{
private final RdmaServerSocketChannelImpl ssc;
private volatile int timeout;
public static ServerSocket create(RdmaServerSocketChannelImpl ssc) {
try {
return new RdmaServerSocketAdaptor(ssc);
} catch (IOException x) {
throw new Error(x);
}
}
private RdmaServerSocketAdaptor(RdmaServerSocketChannelImpl ssc)
throws IOException {
this.ssc = ssc;
}
public void bind(SocketAddress local) throws IOException {
bind(local, 50);
}
public void bind(SocketAddress local, int backlog) throws IOException {
if (local == null)
local = new InetSocketAddress(0);
try {
ssc.bind(local, backlog);
} catch (Exception x) {
Net.translateException(x);
}
}
public InetAddress getInetAddress() {
InetSocketAddress local = ssc.localAddress();
if (local == null) {
return null;
} else {
return Net.getRevealedLocalAddress(local).getAddress();
}
}
public int getLocalPort() {
InetSocketAddress local = ssc.localAddress();
if (local == null) {
return -1;
} else {
return local.getPort();
}
}
public Socket accept() throws IOException {
synchronized (ssc.blockingLock()) {
try {
if (!ssc.isBound())
throw new NotYetBoundException();
long to = this.timeout;
if (to == 0) {
// for compatibility reasons: accept connection if available
// when configured non-blocking
SocketChannel sc = ssc.accept();
if (sc == null && !ssc.isBlocking())
throw new IllegalBlockingModeException();
return sc.socket();
}
if (!ssc.isBlocking())
throw new IllegalBlockingModeException();
for (;;) {
long st = System.currentTimeMillis();
if (ssc.pollAccept(to))
return ssc.accept().socket();
to -= System.currentTimeMillis() - st;
if (to <= 0)
throw new SocketTimeoutException();
}
} catch (Exception x) {
Net.translateException(x);
assert false;
return null; // Never happens
}
}
}
public void close() throws IOException {
ssc.close();
}
public ServerSocketChannel getChannel() {
return ssc;
}
public boolean isBound() {
return ssc.isBound();
}
public boolean isClosed() {
return !ssc.isOpen();
}
public void setSoTimeout(int timeout) throws SocketException {
this.timeout = timeout;
}
public int getSoTimeout() throws SocketException {
return timeout;
}
public void setReuseAddress(boolean on) throws SocketException {
try {
ssc.setOption(StandardSocketOptions.SO_REUSEADDR, on);
} catch (IOException x) {
Net.translateToSocketException(x);
}
}
public boolean getReuseAddress() throws SocketException {
try {
return ssc.getOption(StandardSocketOptions.SO_REUSEADDR)
.booleanValue();
} catch (IOException x) {
Net.translateToSocketException(x);
return false; // Never happens
}
}
public String toString() {
if (!isBound())
return "RdmaServerSocket[unbound]";
return "RdmaServerSocket[addr=" + getInetAddress() +
",localport=" + getLocalPort() + "]";
}
public void setReceiveBufferSize(int size) throws SocketException {
// size 0 valid for ServerSocketChannel, invalid for ServerSocket
if (size <= 0)
throw new IllegalArgumentException("size cannot be 0 or negative");
try {
ssc.setOption(StandardSocketOptions.SO_RCVBUF, size);
} catch (IOException x) {
Net.translateToSocketException(x);
}
}
public int getReceiveBufferSize() throws SocketException {
try {
return ssc.getOption(StandardSocketOptions.SO_RCVBUF).intValue();
} catch (IOException x) {
Net.translateToSocketException(x);
return -1; // Never happens
}
}
}