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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal.net.rdma;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketAddress;
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import java.net.SocketException;
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import java.net.SocketTimeoutException;
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import java.net.StandardSocketOptions;
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import java.nio.channels.IllegalBlockingModeException;
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import java.nio.channels.NotYetBoundException;
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import java.nio.channels.ServerSocketChannel;
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import java.nio.channels.SocketChannel;
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import sun.nio.ch.Net;
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class RdmaServerSocketAdaptor
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extends ServerSocket
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{
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private final RdmaServerSocketChannelImpl ssc;
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private volatile int timeout;
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public static ServerSocket create(RdmaServerSocketChannelImpl ssc) {
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try {
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return new RdmaServerSocketAdaptor(ssc);
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} catch (IOException x) {
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throw new Error(x);
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}
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}
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private RdmaServerSocketAdaptor(RdmaServerSocketChannelImpl ssc)
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throws IOException {
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this.ssc = ssc;
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}
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public void bind(SocketAddress local) throws IOException {
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bind(local, 50);
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}
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public void bind(SocketAddress local, int backlog) throws IOException {
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if (local == null)
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local = new InetSocketAddress(0);
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try {
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ssc.bind(local, backlog);
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} catch (Exception x) {
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Net.translateException(x);
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}
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}
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public InetAddress getInetAddress() {
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InetSocketAddress local = ssc.localAddress();
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if (local == null) {
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return null;
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} else {
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return Net.getRevealedLocalAddress(local).getAddress();
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}
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}
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public int getLocalPort() {
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InetSocketAddress local = ssc.localAddress();
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if (local == null) {
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return -1;
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} else {
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return local.getPort();
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}
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}
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public Socket accept() throws IOException {
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synchronized (ssc.blockingLock()) {
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try {
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if (!ssc.isBound())
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throw new NotYetBoundException();
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long to = this.timeout;
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if (to == 0) {
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// for compatibility reasons: accept connection if available
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// when configured non-blocking
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SocketChannel sc = ssc.accept();
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if (sc == null && !ssc.isBlocking())
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throw new IllegalBlockingModeException();
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return sc.socket();
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}
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if (!ssc.isBlocking())
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throw new IllegalBlockingModeException();
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for (;;) {
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long st = System.currentTimeMillis();
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if (ssc.pollAccept(to))
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return ssc.accept().socket();
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to -= System.currentTimeMillis() - st;
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if (to <= 0)
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throw new SocketTimeoutException();
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}
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} catch (Exception x) {
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Net.translateException(x);
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assert false;
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return null; // Never happens
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}
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}
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}
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public void close() throws IOException {
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ssc.close();
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}
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public ServerSocketChannel getChannel() {
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return ssc;
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}
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public boolean isBound() {
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return ssc.isBound();
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}
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public boolean isClosed() {
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return !ssc.isOpen();
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}
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public void setSoTimeout(int timeout) throws SocketException {
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this.timeout = timeout;
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}
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public int getSoTimeout() throws SocketException {
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return timeout;
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}
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public void setReuseAddress(boolean on) throws SocketException {
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try {
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ssc.setOption(StandardSocketOptions.SO_REUSEADDR, on);
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} catch (IOException x) {
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Net.translateToSocketException(x);
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}
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}
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public boolean getReuseAddress() throws SocketException {
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try {
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return ssc.getOption(StandardSocketOptions.SO_REUSEADDR)
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.booleanValue();
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} catch (IOException x) {
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Net.translateToSocketException(x);
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return false; // Never happens
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}
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}
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public String toString() {
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if (!isBound())
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return "RdmaServerSocket[unbound]";
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return "RdmaServerSocket[addr=" + getInetAddress() +
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",localport=" + getLocalPort() + "]";
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}
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public void setReceiveBufferSize(int size) throws SocketException {
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// size 0 valid for ServerSocketChannel, invalid for ServerSocket
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if (size <= 0)
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throw new IllegalArgumentException("size cannot be 0 or negative");
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try {
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ssc.setOption(StandardSocketOptions.SO_RCVBUF, size);
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} catch (IOException x) {
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Net.translateToSocketException(x);
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}
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}
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public int getReceiveBufferSize() throws SocketException {
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try {
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return ssc.getOption(StandardSocketOptions.SO_RCVBUF).intValue();
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} catch (IOException x) {
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Net.translateToSocketException(x);
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return -1; // Never happens
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}
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}
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}
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