author | alanb |
Sat, 14 Apr 2018 08:41:42 +0100 | |
changeset 49702 | 09c01737ad27 |
parent 49493 | 814bd31f8da0 |
child 50109 | ea54197f4fe4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 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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||
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package sun.nio.ch; |
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import java.io.FileDescriptor; |
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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.ProtocolFamily; |
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import java.net.Socket; |
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import java.net.SocketAddress; |
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import java.net.SocketOption; |
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import java.net.StandardProtocolFamily; |
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import java.net.StandardSocketOptions; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.AlreadyBoundException; |
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import java.nio.channels.AlreadyConnectedException; |
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import java.nio.channels.AsynchronousCloseException; |
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import java.nio.channels.ClosedChannelException; |
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import java.nio.channels.ConnectionPendingException; |
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import java.nio.channels.NoConnectionPendingException; |
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import java.nio.channels.NotYetConnectedException; |
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import java.nio.channels.SelectionKey; |
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import java.nio.channels.SocketChannel; |
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import java.nio.channels.spi.SelectorProvider; |
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import java.util.Collections; |
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import java.util.HashSet; |
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import java.util.Objects; |
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import java.util.Set; |
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import java.util.concurrent.locks.ReentrantLock; |
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import sun.net.NetHooks; |
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import sun.net.ext.ExtendedSocketOptions; |
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/** |
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* An implementation of SocketChannels |
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*/ |
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class SocketChannelImpl |
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extends SocketChannel |
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implements SelChImpl |
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{ |
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// Used to make native read and write calls |
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private static NativeDispatcher nd; |
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// Our file descriptor object |
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private final FileDescriptor fd; |
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private final int fdVal; |
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// Lock held by current reading or connecting thread |
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private final ReentrantLock readLock = new ReentrantLock(); |
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// Lock held by current writing or connecting thread |
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private final ReentrantLock writeLock = new ReentrantLock(); |
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// Lock held by any thread that modifies the state fields declared below |
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// DO NOT invoke a blocking I/O operation while holding this lock! |
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private final Object stateLock = new Object(); |
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// Input/Output closed |
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private volatile boolean isInputClosed; |
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private volatile boolean isOutputClosed; |
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// -- The following fields are protected by stateLock |
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// set true when exclusive binding is on and SO_REUSEADDR is emulated |
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private boolean isReuseAddress; |
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// State, increases monotonically |
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private static final int ST_UNCONNECTED = 0; |
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private static final int ST_CONNECTIONPENDING = 1; |
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private static final int ST_CONNECTED = 2; |
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private static final int ST_CLOSING = 3; |
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private static final int ST_KILLPENDING = 4; |
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private static final int ST_KILLED = 5; |
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private volatile int state; // need stateLock to change |
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// IDs of native threads doing reads and writes, for signalling |
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private long readerThread; |
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private long writerThread; |
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// Binding |
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private InetSocketAddress localAddress; |
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private InetSocketAddress remoteAddress; |
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// Socket adaptor, created on demand |
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private Socket socket; |
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// -- End of fields protected by stateLock |
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// Constructor for normal connecting sockets |
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// |
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SocketChannelImpl(SelectorProvider sp) throws IOException { |
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super(sp); |
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this.fd = Net.socket(true); |
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this.fdVal = IOUtil.fdVal(fd); |
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} |
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SocketChannelImpl(SelectorProvider sp, FileDescriptor fd, boolean bound) |
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throws IOException |
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{ |
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super(sp); |
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this.fd = fd; |
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this.fdVal = IOUtil.fdVal(fd); |
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if (bound) { |
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synchronized (stateLock) { |
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this.localAddress = Net.localAddress(fd); |
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} |
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} |
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} |
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// Constructor for sockets obtained from server sockets |
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// |
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SocketChannelImpl(SelectorProvider sp, FileDescriptor fd, InetSocketAddress isa) |
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throws IOException |
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{ |
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super(sp); |
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this.fd = fd; |
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this.fdVal = IOUtil.fdVal(fd); |
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synchronized (stateLock) { |
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this.localAddress = Net.localAddress(fd); |
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this.remoteAddress = isa; |
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this.state = ST_CONNECTED; |
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} |
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} |
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/** |
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* Checks that the channel is open. |
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* |
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* @throws ClosedChannelException if channel is closed (or closing) |
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*/ |
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private void ensureOpen() throws ClosedChannelException { |
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if (!isOpen()) |
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throw new ClosedChannelException(); |
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} |
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/** |
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* Checks that the channel is open and connected. |
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* |
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* @apiNote This method uses the "state" field to check if the channel is |
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* open. It should never be used in conjuncion with isOpen or ensureOpen |
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* as these methods check AbstractInterruptibleChannel's closed field - that |
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* field is set before implCloseSelectableChannel is called and so before |
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* the state is changed. |
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* |
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* @throws ClosedChannelException if channel is closed (or closing) |
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* @throws NotYetConnectedException if open and not connected |
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*/ |
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private void ensureOpenAndConnected() throws ClosedChannelException { |
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int state = this.state; |
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if (state < ST_CONNECTED) { |
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throw new NotYetConnectedException(); |
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} else if (state > ST_CONNECTED) { |
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throw new ClosedChannelException(); |
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} |
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} |
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@Override |
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public Socket socket() { |
184 |
synchronized (stateLock) { |
|
185 |
if (socket == null) |
|
186 |
socket = SocketAdaptor.create(this); |
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187 |
return socket; |
|
188 |
} |
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189 |
} |
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@Override |
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public SocketAddress getLocalAddress() throws IOException { |
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synchronized (stateLock) { |
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ensureOpen(); |
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return Net.getRevealedLocalAddress(localAddress); |
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} |
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} |
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|
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@Override |
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public SocketAddress getRemoteAddress() throws IOException { |
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synchronized (stateLock) { |
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ensureOpen(); |
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return remoteAddress; |
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} |
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} |
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|
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@Override |
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public <T> SocketChannel setOption(SocketOption<T> name, T value) |
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throws IOException |
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{ |
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Objects.requireNonNull(name); |
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if (!supportedOptions().contains(name)) |
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throw new UnsupportedOperationException("'" + name + "' not supported"); |
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214 |
|
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synchronized (stateLock) { |
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ensureOpen(); |
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217 |
|
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if (name == StandardSocketOptions.IP_TOS) { |
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ProtocolFamily family = Net.isIPv6Available() ? |
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StandardProtocolFamily.INET6 : StandardProtocolFamily.INET; |
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Net.setSocketOption(fd, family, name, value); |
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return this; |
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} |
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224 |
|
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225 |
if (name == StandardSocketOptions.SO_REUSEADDR && Net.useExclusiveBind()) { |
18192 | 226 |
// SO_REUSEADDR emulated when using exclusive bind |
227 |
isReuseAddress = (Boolean)value; |
|
228 |
return this; |
|
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} |
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230 |
|
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231 |
// no options that require special handling |
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Net.setSocketOption(fd, Net.UNSPEC, name, value); |
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return this; |
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234 |
} |
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235 |
} |
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236 |
|
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237 |
@Override |
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238 |
@SuppressWarnings("unchecked") |
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239 |
public <T> T getOption(SocketOption<T> name) |
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240 |
throws IOException |
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241 |
{ |
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Objects.requireNonNull(name); |
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if (!supportedOptions().contains(name)) |
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throw new UnsupportedOperationException("'" + name + "' not supported"); |
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245 |
|
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synchronized (stateLock) { |
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ensureOpen(); |
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248 |
|
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249 |
if (name == StandardSocketOptions.SO_REUSEADDR && Net.useExclusiveBind()) { |
18192 | 250 |
// SO_REUSEADDR emulated when using exclusive bind |
251 |
return (T)Boolean.valueOf(isReuseAddress); |
|
252 |
} |
|
253 |
||
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// special handling for IP_TOS: always return 0 when IPv6 |
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255 |
if (name == StandardSocketOptions.IP_TOS) { |
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ProtocolFamily family = Net.isIPv6Available() ? |
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StandardProtocolFamily.INET6 : StandardProtocolFamily.INET; |
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258 |
return (T) Net.getSocketOption(fd, family, name); |
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259 |
} |
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260 |
|
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261 |
// no options that require special handling |
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262 |
return (T) Net.getSocketOption(fd, Net.UNSPEC, name); |
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263 |
} |
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264 |
} |
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265 |
|
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private static class DefaultOptionsHolder { |
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static final Set<SocketOption<?>> defaultOptions = defaultOptions(); |
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268 |
|
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269 |
private static Set<SocketOption<?>> defaultOptions() { |
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HashSet<SocketOption<?>> set = new HashSet<>(); |
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271 |
set.add(StandardSocketOptions.SO_SNDBUF); |
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272 |
set.add(StandardSocketOptions.SO_RCVBUF); |
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273 |
set.add(StandardSocketOptions.SO_KEEPALIVE); |
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274 |
set.add(StandardSocketOptions.SO_REUSEADDR); |
36115 | 275 |
if (Net.isReusePortAvailable()) { |
276 |
set.add(StandardSocketOptions.SO_REUSEPORT); |
|
277 |
} |
|
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278 |
set.add(StandardSocketOptions.SO_LINGER); |
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279 |
set.add(StandardSocketOptions.TCP_NODELAY); |
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// additional options required by socket adaptor |
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281 |
set.add(StandardSocketOptions.IP_TOS); |
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282 |
set.add(ExtendedSocketOption.SO_OOBINLINE); |
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283 |
set.addAll(ExtendedSocketOptions.getInstance().options()); |
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284 |
return Collections.unmodifiableSet(set); |
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|
285 |
} |
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286 |
} |
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|
287 |
|
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288 |
@Override |
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289 |
public final Set<SocketOption<?>> supportedOptions() { |
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return DefaultOptionsHolder.defaultOptions; |
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291 |
} |
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292 |
|
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293 |
/** |
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|
294 |
* Marks the beginning of a read operation that might block. |
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295 |
* |
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296 |
* @throws ClosedChannelException if the channel is closed |
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297 |
* @throws NotYetConnectedException if the channel is not yet connected |
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298 |
*/ |
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|
299 |
private void beginRead(boolean blocking) throws ClosedChannelException { |
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300 |
if (blocking) { |
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|
301 |
// set hook for Thread.interrupt |
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|
302 |
begin(); |
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303 |
|
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304 |
synchronized (stateLock) { |
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|
305 |
ensureOpenAndConnected(); |
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|
306 |
// record thread so it can be signalled if needed |
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307 |
readerThread = NativeThread.current(); |
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308 |
} |
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|
309 |
} else { |
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310 |
ensureOpenAndConnected(); |
2 | 311 |
} |
312 |
} |
|
313 |
||
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314 |
/** |
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|
315 |
* Marks the end of a read operation that may have blocked. |
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316 |
* |
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|
317 |
* @throws AsynchronousCloseException if the channel was closed due to this |
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318 |
* thread being interrupted on a blocking read operation. |
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|
319 |
*/ |
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320 |
private void endRead(boolean blocking, boolean completed) |
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321 |
throws AsynchronousCloseException |
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322 |
{ |
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|
323 |
if (blocking) { |
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|
324 |
synchronized (stateLock) { |
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|
325 |
readerThread = 0; |
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|
326 |
// notify any thread waiting in implCloseSelectableChannel |
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|
327 |
if (state == ST_CLOSING) { |
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|
328 |
stateLock.notifyAll(); |
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329 |
} |
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changeset
|
330 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
331 |
// remove hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
332 |
end(completed); |
2 | 333 |
} |
334 |
} |
|
335 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
336 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
337 |
public int read(ByteBuffer buf) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
338 |
Objects.requireNonNull(buf); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
339 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
340 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
341 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
342 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
343 |
int n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
344 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
345 |
beginRead(blocking); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
346 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
347 |
// check if input is shutdown |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
348 |
if (isInputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
349 |
return IOStatus.EOF; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
350 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
351 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
352 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
353 |
n = IOUtil.read(fd, buf, -1, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
354 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
355 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
356 |
n = IOUtil.read(fd, buf, -1, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
357 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
358 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
359 |
endRead(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
360 |
if (n <= 0 && isInputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
361 |
return IOStatus.EOF; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
362 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
363 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
364 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
365 |
readLock.unlock(); |
2 | 366 |
} |
367 |
} |
|
368 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
369 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
370 |
public long read(ByteBuffer[] dsts, int offset, int length) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
371 |
throws IOException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
372 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
373 |
Objects.checkFromIndexSize(offset, length, dsts.length); |
2 | 374 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
375 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
376 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
377 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
378 |
long n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
379 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
380 |
beginRead(blocking); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
381 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
382 |
// check if input is shutdown |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
383 |
if (isInputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
384 |
return IOStatus.EOF; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
385 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
386 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
387 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
388 |
n = IOUtil.read(fd, dsts, offset, length, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
389 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
390 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
391 |
n = IOUtil.read(fd, dsts, offset, length, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
392 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
393 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
394 |
endRead(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
395 |
if (n <= 0 && isInputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
396 |
return IOStatus.EOF; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
397 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
398 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
399 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
400 |
readLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
401 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
402 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
403 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
404 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
405 |
* Marks the beginning of a write operation that might block. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
406 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
407 |
* @throws ClosedChannelException if the channel is closed or output shutdown |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
408 |
* @throws NotYetConnectedException if the channel is not yet connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
409 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
410 |
private void beginWrite(boolean blocking) throws ClosedChannelException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
411 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
412 |
// set hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
413 |
begin(); |
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
414 |
|
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
415 |
synchronized (stateLock) { |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
416 |
ensureOpenAndConnected(); |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
417 |
if (isOutputClosed) |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
418 |
throw new ClosedChannelException(); |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
419 |
// record thread so it can be signalled if needed |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
420 |
writerThread = NativeThread.current(); |
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
421 |
} |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
422 |
} else { |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
423 |
ensureOpenAndConnected(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
424 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
425 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
426 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
427 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
428 |
* Marks the end of a write operation that may have blocked. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
429 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
430 |
* @throws AsynchronousCloseException if the channel was closed due to this |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
431 |
* thread being interrupted on a blocking write operation. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
432 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
433 |
private void endWrite(boolean blocking, boolean completed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
434 |
throws AsynchronousCloseException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
435 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
436 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
437 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
438 |
writerThread = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
439 |
// notify any thread waiting in implCloseSelectableChannel |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
440 |
if (state == ST_CLOSING) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
441 |
stateLock.notifyAll(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
442 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
443 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
444 |
// remove hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
445 |
end(completed); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
446 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
447 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
448 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
449 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
450 |
public int write(ByteBuffer buf) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
451 |
Objects.requireNonNull(buf); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
452 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
453 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
454 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
455 |
boolean blocking = isBlocking(); |
2 | 456 |
int n = 0; |
457 |
try { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
458 |
beginWrite(blocking); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
459 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
460 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
461 |
n = IOUtil.write(fd, buf, -1, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
462 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
463 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
464 |
n = IOUtil.write(fd, buf, -1, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
465 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
466 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
467 |
endWrite(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
468 |
if (n <= 0 && isOutputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
469 |
throw new AsynchronousCloseException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
470 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
471 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
472 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
473 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
474 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
475 |
} |
2 | 476 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
477 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
478 |
public long write(ByteBuffer[] srcs, int offset, int length) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
479 |
throws IOException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
480 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
481 |
Objects.checkFromIndexSize(offset, length, srcs.length); |
2 | 482 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
483 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
484 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
485 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
486 |
long n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
487 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
488 |
beginWrite(blocking); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
489 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
490 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
491 |
n = IOUtil.write(fd, srcs, offset, length, nd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
492 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
493 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
494 |
n = IOUtil.write(fd, srcs, offset, length, nd); |
2 | 495 |
} |
496 |
} finally { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
497 |
endWrite(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
498 |
if (n <= 0 && isOutputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
499 |
throw new AsynchronousCloseException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
500 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
501 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
502 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
503 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
504 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
505 |
} |
2 | 506 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
507 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
508 |
* Writes a byte of out of band data. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
509 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
510 |
int sendOutOfBandData(byte b) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
511 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
512 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
513 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
514 |
int n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
515 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
516 |
beginWrite(blocking); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
517 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
518 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
519 |
n = sendOutOfBandData(fd, b); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
520 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
521 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
522 |
n = sendOutOfBandData(fd, b); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
523 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
524 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
525 |
endWrite(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
526 |
if (n <= 0 && isOutputClosed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
527 |
throw new AsynchronousCloseException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
528 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
529 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
530 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
531 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
532 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
533 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
534 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
535 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
536 |
protected void implConfigureBlocking(boolean block) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
537 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
538 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
539 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
540 |
try { |
2 | 541 |
synchronized (stateLock) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
542 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
543 |
IOUtil.configureBlocking(fd, block); |
2 | 544 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
545 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
546 |
writeLock.unlock(); |
2 | 547 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
548 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
549 |
readLock.unlock(); |
2 | 550 |
} |
551 |
} |
|
552 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
553 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
554 |
* Returns the local address, or null if not bound |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
555 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
556 |
InetSocketAddress localAddress() { |
2 | 557 |
synchronized (stateLock) { |
558 |
return localAddress; |
|
559 |
} |
|
560 |
} |
|
561 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
562 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
563 |
* Returns the remote address, or null if not connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
564 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
565 |
InetSocketAddress remoteAddress() { |
2 | 566 |
synchronized (stateLock) { |
567 |
return remoteAddress; |
|
568 |
} |
|
569 |
} |
|
570 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
571 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
572 |
public SocketChannel bind(SocketAddress local) throws IOException { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
573 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
574 |
try { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
575 |
writeLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
576 |
try { |
2 | 577 |
synchronized (stateLock) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
578 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
579 |
if (state == ST_CONNECTIONPENDING) |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
580 |
throw new ConnectionPendingException(); |
2 | 581 |
if (localAddress != null) |
582 |
throw new AlreadyBoundException(); |
|
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
583 |
InetSocketAddress isa = (local == null) ? |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
584 |
new InetSocketAddress(0) : Net.checkAddress(local); |
22339 | 585 |
SecurityManager sm = System.getSecurityManager(); |
586 |
if (sm != null) { |
|
587 |
sm.checkListen(isa.getPort()); |
|
588 |
} |
|
2446 | 589 |
NetHooks.beforeTcpBind(fd, isa.getAddress(), isa.getPort()); |
2 | 590 |
Net.bind(fd, isa.getAddress(), isa.getPort()); |
591 |
localAddress = Net.localAddress(fd); |
|
592 |
} |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
593 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
594 |
writeLock.unlock(); |
2 | 595 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
596 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
597 |
readLock.unlock(); |
2 | 598 |
} |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
599 |
return this; |
2 | 600 |
} |
601 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
602 |
@Override |
2 | 603 |
public boolean isConnected() { |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
604 |
return (state == ST_CONNECTED); |
2 | 605 |
} |
606 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
607 |
@Override |
2 | 608 |
public boolean isConnectionPending() { |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
609 |
return (state == ST_CONNECTIONPENDING); |
2 | 610 |
} |
611 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
612 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
613 |
* Marks the beginning of a connect operation that might block. |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
614 |
* @param blocking true if configured blocking |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
615 |
* @param isa the remote address |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
616 |
* @throws ClosedChannelException if the channel is closed |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
617 |
* @throws AlreadyConnectedException if already connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
618 |
* @throws ConnectionPendingException is a connection is pending |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
619 |
* @throws IOException if the pre-connect hook fails |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
620 |
*/ |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
621 |
private void beginConnect(boolean blocking, InetSocketAddress isa) |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
622 |
throws IOException |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
623 |
{ |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
624 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
625 |
// set hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
626 |
begin(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
627 |
} |
2 | 628 |
synchronized (stateLock) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
629 |
ensureOpen(); |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
630 |
int state = this.state; |
2 | 631 |
if (state == ST_CONNECTED) |
632 |
throw new AlreadyConnectedException(); |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
633 |
if (state == ST_CONNECTIONPENDING) |
2 | 634 |
throw new ConnectionPendingException(); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
635 |
assert state == ST_UNCONNECTED; |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
636 |
this.state = ST_CONNECTIONPENDING; |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
637 |
|
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
638 |
if (localAddress == null) |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
639 |
NetHooks.beforeTcpConnect(fd, isa.getAddress(), isa.getPort()); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
640 |
remoteAddress = isa; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
641 |
|
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
642 |
if (blocking) { |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
643 |
// record thread so it can be signalled if needed |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
644 |
readerThread = NativeThread.current(); |
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
645 |
} |
2 | 646 |
} |
647 |
} |
|
648 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
649 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
650 |
* Marks the end of a connect operation that may have blocked. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
651 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
652 |
* @throws AsynchronousCloseException if the channel was closed due to this |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
653 |
* thread being interrupted on a blocking connect operation. |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
654 |
* @throws IOException if completed and unable to obtain the local address |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
655 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
656 |
private void endConnect(boolean blocking, boolean completed) |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
657 |
throws IOException |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
658 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
659 |
endRead(blocking, completed); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
660 |
|
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
661 |
if (completed) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
662 |
synchronized (stateLock) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
663 |
if (state == ST_CONNECTIONPENDING) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
664 |
localAddress = Net.localAddress(fd); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
665 |
state = ST_CONNECTED; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
666 |
} |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
667 |
} |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
668 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
669 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
670 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
671 |
@Override |
2 | 672 |
public boolean connect(SocketAddress sa) throws IOException { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
673 |
InetSocketAddress isa = Net.checkAddress(sa); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
674 |
SecurityManager sm = System.getSecurityManager(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
675 |
if (sm != null) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
676 |
sm.checkConnect(isa.getAddress().getHostAddress(), isa.getPort()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
677 |
|
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
678 |
InetAddress ia = isa.getAddress(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
679 |
if (ia.isAnyLocalAddress()) |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
680 |
ia = InetAddress.getLocalHost(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
681 |
|
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
682 |
try { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
683 |
readLock.lock(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
684 |
try { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
685 |
writeLock.lock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
686 |
try { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
687 |
int n = 0; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
688 |
boolean blocking = isBlocking(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
689 |
try { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
690 |
beginConnect(blocking, isa); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
691 |
do { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
692 |
n = Net.connect(fd, ia, isa.getPort()); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
693 |
} while (n == IOStatus.INTERRUPTED && isOpen()); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
694 |
} finally { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
695 |
endConnect(blocking, (n > 0)); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
696 |
} |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
697 |
assert IOStatus.check(n); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
698 |
return n > 0; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
699 |
} finally { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
700 |
writeLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
701 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
702 |
} finally { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
703 |
readLock.unlock(); |
2 | 704 |
} |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
705 |
} catch (IOException ioe) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
706 |
// connect failed, close the channel |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
707 |
close(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
708 |
throw ioe; |
2 | 709 |
} |
710 |
} |
|
711 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
712 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
713 |
* Marks the beginning of a finishConnect operation that might block. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
714 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
715 |
* @throws ClosedChannelException if the channel is closed |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
716 |
* @throws NoConnectionPendingException if no connection is pending |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
717 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
718 |
private void beginFinishConnect(boolean blocking) throws ClosedChannelException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
719 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
720 |
// set hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
721 |
begin(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
722 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
723 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
724 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
725 |
if (state != ST_CONNECTIONPENDING) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
726 |
throw new NoConnectionPendingException(); |
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
727 |
if (blocking) { |
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
728 |
// record thread so it can be signalled if needed |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
729 |
readerThread = NativeThread.current(); |
49143
2d5cc05d877e
8199120: (so) SocketChannelImpl read/write don't need stateLock when channel is configured non-blocking
alanb
parents:
49142
diff
changeset
|
730 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
731 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
732 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
733 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
734 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
735 |
* Marks the end of a finishConnect operation that may have blocked. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
736 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
737 |
* @throws AsynchronousCloseException if the channel was closed due to this |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
738 |
* thread being interrupted on a blocking connect operation. |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
739 |
* @throws IOException if completed and unable to obtain the local address |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
740 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
741 |
private void endFinishConnect(boolean blocking, boolean completed) |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
742 |
throws IOException |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
743 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
744 |
endRead(blocking, completed); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
745 |
|
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
746 |
if (completed) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
747 |
synchronized (stateLock) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
748 |
if (state == ST_CONNECTIONPENDING) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
749 |
localAddress = Net.localAddress(fd); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
750 |
state = ST_CONNECTED; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
751 |
} |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
752 |
} |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
753 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
754 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
755 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
756 |
@Override |
2 | 757 |
public boolean finishConnect() throws IOException { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
758 |
try { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
759 |
readLock.lock(); |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
760 |
try { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
761 |
writeLock.lock(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
762 |
try { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
763 |
// no-op if already connected |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
764 |
if (isConnected()) |
2 | 765 |
return true; |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
766 |
|
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
767 |
boolean blocking = isBlocking(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
768 |
boolean connected = false; |
2 | 769 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
770 |
beginFinishConnect(blocking); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
771 |
int n = 0; |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
772 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
773 |
do { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
774 |
n = checkConnect(fd, true); |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
775 |
} while ((n == 0 || n == IOStatus.INTERRUPTED) && isOpen()); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
776 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
777 |
n = checkConnect(fd, false); |
2 | 778 |
} |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
779 |
connected = (n > 0); |
2 | 780 |
} finally { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
781 |
endFinishConnect(blocking, connected); |
2 | 782 |
} |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
783 |
assert (blocking && connected) ^ !blocking; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
784 |
return connected; |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
785 |
} finally { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
786 |
writeLock.unlock(); |
2 | 787 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
788 |
} finally { |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
789 |
readLock.unlock(); |
2 | 790 |
} |
49141
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
791 |
} catch (IOException ioe) { |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
792 |
// connect failed, close the channel |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
793 |
close(); |
ac95c7a76132
8198928: (so) SocketChannel connect may deadlock if closed at around same time that connect fails
alanb
parents:
49001
diff
changeset
|
794 |
throw ioe; |
2 | 795 |
} |
796 |
} |
|
797 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
798 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
799 |
* Invoked by implCloseChannel to close the channel. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
800 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
801 |
* This method waits for outstanding I/O operations to complete. When in |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
802 |
* blocking mode, the socket is pre-closed and the threads in blocking I/O |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
803 |
* operations are signalled to ensure that the outstanding I/O operations |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
804 |
* complete quickly. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
805 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
806 |
* If the socket is connected then it is shutdown by this method. The |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
807 |
* shutdown ensures that the peer reads EOF for the case that the socket is |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
808 |
* not pre-closed or closed by this method. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
809 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
810 |
* The socket is closed by this method when it is not registered with a |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
811 |
* Selector. Note that a channel configured blocking may be registered with |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
812 |
* a Selector. This arises when a key is canceled and the channel configured |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
813 |
* to blocking mode before the key is flushed from the Selector. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
814 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
815 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
816 |
protected void implCloseSelectableChannel() throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
817 |
assert !isOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
818 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
819 |
boolean blocking; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
820 |
boolean connected; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
821 |
boolean interrupted = false; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
822 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
823 |
// set state to ST_CLOSING |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
824 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
825 |
assert state < ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
826 |
blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
827 |
connected = (state == ST_CONNECTED); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
828 |
state = ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
829 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
830 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
831 |
// wait for any outstanding I/O operations to complete |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
832 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
833 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
834 |
assert state == ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
835 |
long reader = readerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
836 |
long writer = writerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
837 |
if (reader != 0 || writer != 0) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
838 |
nd.preClose(fd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
839 |
connected = false; // fd is no longer connected socket |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
840 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
841 |
if (reader != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
842 |
NativeThread.signal(reader); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
843 |
if (writer != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
844 |
NativeThread.signal(writer); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
845 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
846 |
// wait for blocking I/O operations to end |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
847 |
while (readerThread != 0 || writerThread != 0) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
848 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
849 |
stateLock.wait(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
850 |
} catch (InterruptedException e) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
851 |
interrupted = true; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
852 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
853 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
854 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
855 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
856 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
857 |
// non-blocking mode: wait for read/write to complete |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
858 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
859 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
860 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
861 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
862 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
863 |
readLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
864 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
865 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
866 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
867 |
// set state to ST_KILLPENDING |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
868 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
869 |
assert state == ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
870 |
// if connected, and the channel is registered with a Selector, we |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
871 |
// shutdown the output so that the peer reads EOF |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
872 |
if (connected && isRegistered()) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
873 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
874 |
Net.shutdown(fd, Net.SHUT_WR); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
875 |
} catch (IOException ignore) { } |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
876 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
877 |
state = ST_KILLPENDING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
878 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
879 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
880 |
// close socket if not registered with Selector |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
881 |
if (!isRegistered()) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
882 |
kill(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
883 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
884 |
// restore interrupt status |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
885 |
if (interrupted) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
886 |
Thread.currentThread().interrupt(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
887 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
888 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
889 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
890 |
public void kill() throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
891 |
synchronized (stateLock) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
892 |
if (state == ST_KILLPENDING) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
893 |
state = ST_KILLED; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
894 |
nd.close(fd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
895 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
896 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
897 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
898 |
|
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
899 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
900 |
public SocketChannel shutdownInput() throws IOException { |
2 | 901 |
synchronized (stateLock) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
902 |
ensureOpen(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
903 |
if (!isConnected()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
904 |
throw new NotYetConnectedException(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
905 |
if (!isInputClosed) { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
906 |
Net.shutdown(fd, Net.SHUT_RD); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
907 |
long thread = readerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
908 |
if (thread != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
909 |
NativeThread.signal(thread); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
910 |
isInputClosed = true; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
911 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
912 |
return this; |
2 | 913 |
} |
914 |
} |
|
915 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
916 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
917 |
public SocketChannel shutdownOutput() throws IOException { |
2 | 918 |
synchronized (stateLock) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
919 |
ensureOpen(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
920 |
if (!isConnected()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
921 |
throw new NotYetConnectedException(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
922 |
if (!isOutputClosed) { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
923 |
Net.shutdown(fd, Net.SHUT_WR); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
924 |
long thread = writerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
925 |
if (thread != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
926 |
NativeThread.signal(thread); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
927 |
isOutputClosed = true; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
928 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
929 |
return this; |
2 | 930 |
} |
931 |
} |
|
932 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
933 |
boolean isInputOpen() { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
934 |
return !isInputClosed; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
935 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
936 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
937 |
boolean isOutputOpen() { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
938 |
return !isOutputClosed; |
2 | 939 |
} |
940 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
941 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
942 |
* Poll this channel's socket for reading up to the given timeout. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
943 |
* @return {@code true} if the socket is polled |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
944 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
945 |
boolean pollRead(long timeout) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
946 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
947 |
assert Thread.holdsLock(blockingLock()) && blocking; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
948 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
949 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
950 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
951 |
boolean polled = false; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
952 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
953 |
beginRead(blocking); |
49702
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
954 |
int events = Net.poll(fd, Net.POLLIN, timeout); |
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
955 |
polled = (events != 0); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
956 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
957 |
endRead(blocking, polled); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
958 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
959 |
return polled; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
960 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
961 |
readLock.unlock(); |
2 | 962 |
} |
963 |
} |
|
964 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
965 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
966 |
* Poll this channel's socket for a connection, up to the given timeout. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
967 |
* @return {@code true} if the socket is polled |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
968 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
969 |
boolean pollConnected(long timeout) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
970 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
971 |
assert Thread.holdsLock(blockingLock()) && blocking; |
2 | 972 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
973 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
974 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
975 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
976 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
977 |
boolean polled = false; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
978 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
979 |
beginFinishConnect(blocking); |
49702
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
980 |
int events = Net.poll(fd, Net.POLLCONN, timeout); |
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
981 |
polled = (events != 0); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
982 |
} finally { |
49702
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
983 |
// invoke endFinishConnect with completed = false so that |
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
984 |
// the state is not changed to ST_CONNECTED. The socket |
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
985 |
// adaptor will use finishConnect to finish. |
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
986 |
endFinishConnect(blocking, /*completed*/false); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
987 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
988 |
return polled; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
989 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
990 |
writeLock.unlock(); |
2 | 991 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
992 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
993 |
readLock.unlock(); |
2 | 994 |
} |
995 |
} |
|
996 |
||
997 |
/** |
|
998 |
* Translates native poll revent ops into a ready operation ops |
|
999 |
*/ |
|
49493 | 1000 |
public boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl ski) { |
1001 |
int intOps = ski.nioInterestOps(); |
|
1002 |
int oldOps = ski.nioReadyOps(); |
|
2 | 1003 |
int newOps = initialOps; |
1004 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1005 |
if ((ops & Net.POLLNVAL) != 0) { |
2 | 1006 |
// This should only happen if this channel is pre-closed while a |
1007 |
// selection operation is in progress |
|
1008 |
// ## Throw an error if this channel has not been pre-closed |
|
1009 |
return false; |
|
1010 |
} |
|
1011 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1012 |
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) { |
2 | 1013 |
newOps = intOps; |
49493 | 1014 |
ski.nioReadyOps(newOps); |
2 | 1015 |
return (newOps & ~oldOps) != 0; |
1016 |
} |
|
1017 |
||
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
1018 |
boolean connected = isConnected(); |
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1019 |
if (((ops & Net.POLLIN) != 0) && |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
1020 |
((intOps & SelectionKey.OP_READ) != 0) && connected) |
2 | 1021 |
newOps |= SelectionKey.OP_READ; |
1022 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1023 |
if (((ops & Net.POLLCONN) != 0) && |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
1024 |
((intOps & SelectionKey.OP_CONNECT) != 0) && isConnectionPending()) |
2 | 1025 |
newOps |= SelectionKey.OP_CONNECT; |
1026 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1027 |
if (((ops & Net.POLLOUT) != 0) && |
49142
4affaea00c05
8199015: (se) SocketChannelImpl.translateXXXOps access channel state without synchronization
alanb
parents:
49141
diff
changeset
|
1028 |
((intOps & SelectionKey.OP_WRITE) != 0) && connected) |
2 | 1029 |
newOps |= SelectionKey.OP_WRITE; |
1030 |
||
49493 | 1031 |
ski.nioReadyOps(newOps); |
2 | 1032 |
return (newOps & ~oldOps) != 0; |
1033 |
} |
|
1034 |
||
49493 | 1035 |
public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl ski) { |
1036 |
return translateReadyOps(ops, ski.nioReadyOps(), ski); |
|
2 | 1037 |
} |
1038 |
||
49493 | 1039 |
public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl ski) { |
1040 |
return translateReadyOps(ops, 0, ski); |
|
2 | 1041 |
} |
1042 |
||
1043 |
/** |
|
1044 |
* Translates an interest operation set into a native poll event set |
|
1045 |
*/ |
|
49493 | 1046 |
public int translateInterestOps(int ops) { |
2 | 1047 |
int newOps = 0; |
1048 |
if ((ops & SelectionKey.OP_READ) != 0) |
|
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1049 |
newOps |= Net.POLLIN; |
2 | 1050 |
if ((ops & SelectionKey.OP_WRITE) != 0) |
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1051 |
newOps |= Net.POLLOUT; |
2 | 1052 |
if ((ops & SelectionKey.OP_CONNECT) != 0) |
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1053 |
newOps |= Net.POLLCONN; |
49493 | 1054 |
return newOps; |
2 | 1055 |
} |
1056 |
||
1057 |
public FileDescriptor getFD() { |
|
1058 |
return fd; |
|
1059 |
} |
|
1060 |
||
1061 |
public int getFDVal() { |
|
1062 |
return fdVal; |
|
1063 |
} |
|
1064 |
||
18212
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
1065 |
@Override |
2 | 1066 |
public String toString() { |
24969
afa6934dd8e8
8041679: Replace uses of StringBuffer with StringBuilder within core library classes
psandoz
parents:
23879
diff
changeset
|
1067 |
StringBuilder sb = new StringBuilder(); |
2 | 1068 |
sb.append(this.getClass().getSuperclass().getName()); |
1069 |
sb.append('['); |
|
1070 |
if (!isOpen()) |
|
1071 |
sb.append("closed"); |
|
1072 |
else { |
|
1073 |
synchronized (stateLock) { |
|
1074 |
switch (state) { |
|
1075 |
case ST_UNCONNECTED: |
|
1076 |
sb.append("unconnected"); |
|
1077 |
break; |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1078 |
case ST_CONNECTIONPENDING: |
2 | 1079 |
sb.append("connection-pending"); |
1080 |
break; |
|
1081 |
case ST_CONNECTED: |
|
1082 |
sb.append("connected"); |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1083 |
if (isInputClosed) |
2 | 1084 |
sb.append(" ishut"); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1085 |
if (isOutputClosed) |
2 | 1086 |
sb.append(" oshut"); |
1087 |
break; |
|
1088 |
} |
|
18212
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
1089 |
InetSocketAddress addr = localAddress(); |
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
1090 |
if (addr != null) { |
2 | 1091 |
sb.append(" local="); |
18212
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
1092 |
sb.append(Net.getRevealedLocalAddressAsString(addr)); |
2 | 1093 |
} |
1094 |
if (remoteAddress() != null) { |
|
1095 |
sb.append(" remote="); |
|
1096 |
sb.append(remoteAddress().toString()); |
|
1097 |
} |
|
1098 |
} |
|
1099 |
} |
|
1100 |
sb.append(']'); |
|
1101 |
return sb.toString(); |
|
1102 |
} |
|
1103 |
||
1104 |
||
1105 |
// -- Native methods -- |
|
1106 |
||
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
1107 |
private static native int checkConnect(FileDescriptor fd, boolean block) |
2 | 1108 |
throws IOException; |
1109 |
||
6117
471ae95609d5
6963907: (so) Socket adapter need to implement sendUrgentData
alanb
parents:
5506
diff
changeset
|
1110 |
private static native int sendOutOfBandData(FileDescriptor fd, byte data) |
471ae95609d5
6963907: (so) Socket adapter need to implement sendUrgentData
alanb
parents:
5506
diff
changeset
|
1111 |
throws IOException; |
471ae95609d5
6963907: (so) Socket adapter need to implement sendUrgentData
alanb
parents:
5506
diff
changeset
|
1112 |
|
2 | 1113 |
static { |
19607
bee007586d06
8022594: Potential deadlock in <clinit> of sun.nio.ch.Util/IOUtil
alanb
parents:
18212
diff
changeset
|
1114 |
IOUtil.load(); |
2 | 1115 |
nd = new SocketDispatcher(); |
1116 |
} |
|
1117 |
||
1118 |
} |