author | alanb |
Thu, 25 Apr 2019 10:41:49 +0100 | |
changeset 54620 | 13b67c1420b8 |
parent 53419 | eac105e3ec13 |
child 54754 | 193a8f1a4f3b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package 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.DatagramSocket; |
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import java.net.Inet4Address; |
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import java.net.Inet6Address; |
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import java.net.InetAddress; |
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import java.net.InetSocketAddress; |
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import java.net.NetworkInterface; |
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import java.net.PortUnreachableException; |
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import java.net.ProtocolFamily; |
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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.DatagramChannel; |
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import java.nio.channels.MembershipKey; |
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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.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.Condition; |
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import java.util.concurrent.locks.ReentrantLock; |
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import sun.net.ResourceManager; |
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import sun.net.ext.ExtendedSocketOptions; |
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/** |
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* An implementation of DatagramChannels. |
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*/ |
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class DatagramChannelImpl |
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extends DatagramChannel |
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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 = new DatagramDispatcher(); |
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// The protocol family of the socket |
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private final ProtocolFamily family; |
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// Our file descriptor |
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private final FileDescriptor fd; |
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private final int fdVal; |
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// Cached InetAddress and port for unconnected DatagramChannels |
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// used by receive0 |
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private InetAddress cachedSenderInetAddress; |
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private int cachedSenderPort; |
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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 ReentrantLock stateLock = new ReentrantLock(); |
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private final Condition stateCondition = stateLock.newCondition(); |
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// -- The following fields are protected by stateLock |
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// State (does not necessarily increase monotonically) |
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private static final int ST_UNCONNECTED = 0; |
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private static final int ST_CONNECTED = 1; |
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private static final int ST_CLOSING = 2; |
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private static final int ST_KILLPENDING = 3; |
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private static final int ST_KILLED = 4; |
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private int state; |
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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 and remote address (when connected) |
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private InetSocketAddress localAddress; |
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private InetSocketAddress remoteAddress; |
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// Our socket adaptor, if any |
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private DatagramSocket socket; |
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// Multicast support |
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private MembershipRegistry registry; |
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// set true when socket is bound and SO_REUSEADDRESS is emulated |
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private boolean reuseAddressEmulated; |
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// set true/false when socket is already bound and SO_REUSEADDR is emulated |
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private boolean isReuseAddress; |
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// -- End of fields protected by stateLock |
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public DatagramChannelImpl(SelectorProvider sp) |
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throws IOException |
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{ |
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super(sp); |
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ResourceManager.beforeUdpCreate(); |
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try { |
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this.family = Net.isIPv6Available() |
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? StandardProtocolFamily.INET6 |
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: StandardProtocolFamily.INET; |
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this.fd = Net.socket(family, false); |
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this.fdVal = IOUtil.fdVal(fd); |
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} catch (IOException ioe) { |
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ResourceManager.afterUdpClose(); |
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throw ioe; |
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} |
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} |
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public DatagramChannelImpl(SelectorProvider sp, ProtocolFamily family) |
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throws IOException |
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{ |
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super(sp); |
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Objects.requireNonNull(family, "'family' is null"); |
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if ((family != StandardProtocolFamily.INET) && |
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(family != StandardProtocolFamily.INET6)) { |
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throw new UnsupportedOperationException("Protocol family not supported"); |
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} |
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if (family == StandardProtocolFamily.INET6) { |
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if (!Net.isIPv6Available()) { |
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throw new UnsupportedOperationException("IPv6 not available"); |
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} |
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} |
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ResourceManager.beforeUdpCreate(); |
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try { |
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this.family = family; |
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163 |
this.fd = Net.socket(family, false); |
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this.fdVal = IOUtil.fdVal(fd); |
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} catch (IOException ioe) { |
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ResourceManager.afterUdpClose(); |
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throw ioe; |
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168 |
} |
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} |
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public DatagramChannelImpl(SelectorProvider sp, FileDescriptor fd) |
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throws IOException |
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{ |
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super(sp); |
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// increment UDP count to match decrement when closing |
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ResourceManager.beforeUdpCreate(); |
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this.family = Net.isIPv6Available() |
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? StandardProtocolFamily.INET6 |
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: StandardProtocolFamily.INET; |
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this.fd = fd; |
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this.fdVal = IOUtil.fdVal(fd); |
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stateLock.lock(); |
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try { |
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this.localAddress = Net.localAddress(fd); |
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} finally { |
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stateLock.unlock(); |
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} |
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} |
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// @throws ClosedChannelException if channel is closed |
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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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198 |
@Override |
2 | 199 |
public DatagramSocket socket() { |
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stateLock.lock(); |
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201 |
try { |
2 | 202 |
if (socket == null) |
203 |
socket = DatagramSocketAdaptor.create(this); |
|
204 |
return socket; |
|
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} finally { |
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stateLock.unlock(); |
2 | 207 |
} |
208 |
} |
|
209 |
||
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@Override |
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public SocketAddress getLocalAddress() throws IOException { |
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stateLock.lock(); |
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try { |
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ensureOpen(); |
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// Perform security check before returning address |
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return Net.getRevealedLocalAddress(localAddress); |
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} finally { |
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stateLock.unlock(); |
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} |
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} |
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221 |
|
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@Override |
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223 |
public SocketAddress getRemoteAddress() throws IOException { |
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stateLock.lock(); |
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try { |
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ensureOpen(); |
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return remoteAddress; |
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} finally { |
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stateLock.unlock(); |
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230 |
} |
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231 |
} |
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232 |
|
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233 |
@Override |
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public <T> DatagramChannel setOption(SocketOption<T> name, T value) |
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throws IOException |
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236 |
{ |
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237 |
Objects.requireNonNull(name); |
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238 |
if (!supportedOptions().contains(name)) |
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239 |
throw new UnsupportedOperationException("'" + name + "' not supported"); |
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240 |
|
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241 |
stateLock.lock(); |
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242 |
try { |
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243 |
ensureOpen(); |
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244 |
|
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|
245 |
if (name == StandardSocketOptions.IP_TOS || |
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246 |
name == StandardSocketOptions.IP_MULTICAST_TTL || |
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name == StandardSocketOptions.IP_MULTICAST_LOOP) |
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248 |
{ |
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249 |
// options are protocol dependent |
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|
250 |
Net.setSocketOption(fd, family, name, value); |
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|
251 |
return this; |
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|
252 |
} |
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|
253 |
|
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|
254 |
if (name == StandardSocketOptions.IP_MULTICAST_IF) { |
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|
255 |
if (value == null) |
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|
256 |
throw new IllegalArgumentException("Cannot set IP_MULTICAST_IF to 'null'"); |
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|
257 |
NetworkInterface interf = (NetworkInterface)value; |
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|
258 |
if (family == StandardProtocolFamily.INET6) { |
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|
259 |
int index = interf.getIndex(); |
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|
260 |
if (index == -1) |
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|
261 |
throw new IOException("Network interface cannot be identified"); |
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|
262 |
Net.setInterface6(fd, index); |
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|
263 |
} else { |
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|
264 |
// need IPv4 address to identify interface |
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|
265 |
Inet4Address target = Net.anyInet4Address(interf); |
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|
266 |
if (target == null) |
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|
267 |
throw new IOException("Network interface not configured for IPv4"); |
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|
268 |
int targetAddress = Net.inet4AsInt(target); |
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|
269 |
Net.setInterface4(fd, targetAddress); |
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|
270 |
} |
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|
271 |
return this; |
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|
272 |
} |
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273 |
if (name == StandardSocketOptions.SO_REUSEADDR |
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|
274 |
&& Net.useExclusiveBind() && localAddress != null) { |
18192 | 275 |
reuseAddressEmulated = true; |
276 |
this.isReuseAddress = (Boolean)value; |
|
277 |
} |
|
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|
278 |
|
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|
279 |
// remaining options don't need any special handling |
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|
280 |
Net.setSocketOption(fd, Net.UNSPEC, name, value); |
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|
281 |
return this; |
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|
282 |
} finally { |
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|
283 |
stateLock.unlock(); |
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|
284 |
} |
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|
285 |
} |
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|
286 |
|
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|
287 |
@Override |
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|
288 |
@SuppressWarnings("unchecked") |
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289 |
public <T> T getOption(SocketOption<T> name) |
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|
290 |
throws IOException |
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|
291 |
{ |
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|
292 |
Objects.requireNonNull(name); |
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293 |
if (!supportedOptions().contains(name)) |
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|
294 |
throw new UnsupportedOperationException("'" + name + "' not supported"); |
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295 |
|
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296 |
stateLock.lock(); |
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|
297 |
try { |
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|
298 |
ensureOpen(); |
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|
299 |
|
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|
300 |
if (name == StandardSocketOptions.IP_TOS || |
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|
301 |
name == StandardSocketOptions.IP_MULTICAST_TTL || |
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302 |
name == StandardSocketOptions.IP_MULTICAST_LOOP) |
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303 |
{ |
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|
304 |
return (T) Net.getSocketOption(fd, family, name); |
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|
305 |
} |
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|
306 |
|
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|
307 |
if (name == StandardSocketOptions.IP_MULTICAST_IF) { |
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|
308 |
if (family == StandardProtocolFamily.INET) { |
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|
309 |
int address = Net.getInterface4(fd); |
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|
310 |
if (address == 0) |
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|
311 |
return null; // default interface |
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|
312 |
|
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|
313 |
InetAddress ia = Net.inet4FromInt(address); |
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|
314 |
NetworkInterface ni = NetworkInterface.getByInetAddress(ia); |
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|
315 |
if (ni == null) |
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|
316 |
throw new IOException("Unable to map address to interface"); |
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diff
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|
317 |
return (T) ni; |
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|
318 |
} else { |
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|
319 |
int index = Net.getInterface6(fd); |
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diff
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|
320 |
if (index == 0) |
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|
321 |
return null; // default interface |
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|
322 |
|
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|
323 |
NetworkInterface ni = NetworkInterface.getByIndex(index); |
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|
324 |
if (ni == null) |
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diff
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|
325 |
throw new IOException("Unable to map index to interface"); |
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diff
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|
326 |
return (T) ni; |
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|
327 |
} |
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|
328 |
} |
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2
diff
changeset
|
329 |
|
49001
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8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
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48761
diff
changeset
|
330 |
if (name == StandardSocketOptions.SO_REUSEADDR && reuseAddressEmulated) { |
18192 | 331 |
return (T)Boolean.valueOf(isReuseAddress); |
332 |
} |
|
333 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
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2
diff
changeset
|
334 |
// no special handling |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
335 |
return (T) Net.getSocketOption(fd, Net.UNSPEC, name); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
336 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
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53419
diff
changeset
|
337 |
stateLock.unlock(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
338 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
339 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
340 |
|
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
341 |
private static class DefaultOptionsHolder { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
342 |
static final Set<SocketOption<?>> defaultOptions = defaultOptions(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
343 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
344 |
private static Set<SocketOption<?>> defaultOptions() { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
345 |
HashSet<SocketOption<?>> set = new HashSet<>(); |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
346 |
set.add(StandardSocketOptions.SO_SNDBUF); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
347 |
set.add(StandardSocketOptions.SO_RCVBUF); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
348 |
set.add(StandardSocketOptions.SO_REUSEADDR); |
36115 | 349 |
if (Net.isReusePortAvailable()) { |
350 |
set.add(StandardSocketOptions.SO_REUSEPORT); |
|
351 |
} |
|
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
352 |
set.add(StandardSocketOptions.SO_BROADCAST); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
353 |
set.add(StandardSocketOptions.IP_TOS); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
354 |
set.add(StandardSocketOptions.IP_MULTICAST_IF); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
355 |
set.add(StandardSocketOptions.IP_MULTICAST_TTL); |
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9275
diff
changeset
|
356 |
set.add(StandardSocketOptions.IP_MULTICAST_LOOP); |
53419
eac105e3ec13
8217451: ExtendedSocketOptions should encapsulate support for SO_FLOW_SLA
alanb
parents:
50303
diff
changeset
|
357 |
set.addAll(ExtendedSocketOptions.datagramSocketOptions()); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
358 |
return Collections.unmodifiableSet(set); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
359 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
360 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
361 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
362 |
@Override |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
363 |
public final Set<SocketOption<?>> supportedOptions() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
364 |
return DefaultOptionsHolder.defaultOptions; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
365 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
366 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
367 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
368 |
* Marks the beginning of a read operation that might block. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
369 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
370 |
* @param blocking true if configured blocking |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
371 |
* @param mustBeConnected true if the socket must be connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
372 |
* @return remote address if connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
373 |
* @throws ClosedChannelException if the channel is closed |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
374 |
* @throws NotYetConnectedException if mustBeConnected and not connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
375 |
* @throws IOException if socket not bound and cannot be bound |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
376 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
377 |
private SocketAddress beginRead(boolean blocking, boolean mustBeConnected) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
378 |
throws IOException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
379 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
380 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
381 |
// set hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
382 |
begin(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
383 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
384 |
SocketAddress remote; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
385 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
386 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
387 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
388 |
remote = remoteAddress; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
389 |
if ((remote == null) && mustBeConnected) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
390 |
throw new NotYetConnectedException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
391 |
if (localAddress == null) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
392 |
bindInternal(null); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
393 |
if (blocking) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
394 |
readerThread = NativeThread.current(); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
395 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
396 |
stateLock.unlock(); |
49001
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 remote; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
399 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
400 |
|
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 |
* Marks the end of a read operation that may have blocked. |
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 |
* @throws AsynchronousCloseException if the channel was closed asynchronously |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
405 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
406 |
private void endRead(boolean blocking, boolean completed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
407 |
throws AsynchronousCloseException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
408 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
409 |
if (blocking) { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
410 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
411 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
412 |
readerThread = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
413 |
// notify any thread waiting in implCloseSelectableChannel |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
414 |
if (state == ST_CLOSING) { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
415 |
stateCondition.signalAll(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
416 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
417 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
418 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
419 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
420 |
// remove hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
421 |
end(completed); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
422 |
} |
2 | 423 |
} |
424 |
||
425 |
private SocketAddress sender; // Set by receive0 (## ugh) |
|
426 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
427 |
@Override |
2 | 428 |
public SocketAddress receive(ByteBuffer dst) throws IOException { |
429 |
if (dst.isReadOnly()) |
|
430 |
throw new IllegalArgumentException("Read-only buffer"); |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
431 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
432 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
433 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
434 |
boolean blocking = isBlocking(); |
2 | 435 |
int n = 0; |
436 |
ByteBuffer bb = null; |
|
437 |
try { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
438 |
SocketAddress remote = beginRead(blocking, false); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
439 |
boolean connected = (remote != null); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
440 |
SecurityManager sm = System.getSecurityManager(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
441 |
if (connected || (sm == null)) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
442 |
// connected or no security manager |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
443 |
n = receive(fd, dst, connected); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
444 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
445 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
446 |
park(Net.POLLIN); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
447 |
n = receive(fd, dst, connected); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
448 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
449 |
} else if (n == IOStatus.UNAVAILABLE) { |
2 | 450 |
return null; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
451 |
} |
2 | 452 |
} else { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
453 |
// Cannot receive into user's buffer when running with a |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
454 |
// security manager and not connected |
2 | 455 |
bb = Util.getTemporaryDirectBuffer(dst.remaining()); |
456 |
for (;;) { |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
457 |
n = receive(fd, bb, connected); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
458 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
459 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
460 |
park(Net.POLLIN); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
461 |
n = receive(fd, bb, connected); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
462 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
463 |
} else if (n == IOStatus.UNAVAILABLE) { |
2 | 464 |
return null; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
465 |
} |
2 | 466 |
InetSocketAddress isa = (InetSocketAddress)sender; |
467 |
try { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
468 |
sm.checkAccept(isa.getAddress().getHostAddress(), |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
469 |
isa.getPort()); |
2 | 470 |
} catch (SecurityException se) { |
471 |
// Ignore packet |
|
472 |
bb.clear(); |
|
473 |
n = 0; |
|
474 |
continue; |
|
475 |
} |
|
476 |
bb.flip(); |
|
477 |
dst.put(bb); |
|
478 |
break; |
|
479 |
} |
|
480 |
} |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
481 |
assert sender != null; |
2 | 482 |
return sender; |
483 |
} finally { |
|
484 |
if (bb != null) |
|
485 |
Util.releaseTemporaryDirectBuffer(bb); |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
486 |
endRead(blocking, n > 0); |
2 | 487 |
assert IOStatus.check(n); |
488 |
} |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
489 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
490 |
readLock.unlock(); |
2 | 491 |
} |
492 |
} |
|
493 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
494 |
private int receive(FileDescriptor fd, ByteBuffer dst, boolean connected) |
2 | 495 |
throws IOException |
496 |
{ |
|
497 |
int pos = dst.position(); |
|
498 |
int lim = dst.limit(); |
|
499 |
assert (pos <= lim); |
|
500 |
int rem = (pos <= lim ? lim - pos : 0); |
|
501 |
if (dst instanceof DirectBuffer && rem > 0) |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
502 |
return receiveIntoNativeBuffer(fd, dst, rem, pos, connected); |
2 | 503 |
|
504 |
// Substitute a native buffer. If the supplied buffer is empty |
|
505 |
// we must instead use a nonempty buffer, otherwise the call |
|
506 |
// will not block waiting for a datagram on some platforms. |
|
507 |
int newSize = Math.max(rem, 1); |
|
9237
cbb5753e87e7
7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown
alanb
parents:
8817
diff
changeset
|
508 |
ByteBuffer bb = Util.getTemporaryDirectBuffer(newSize); |
2 | 509 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
510 |
int n = receiveIntoNativeBuffer(fd, bb, newSize, 0, connected); |
2 | 511 |
bb.flip(); |
512 |
if (n > 0 && rem > 0) |
|
513 |
dst.put(bb); |
|
514 |
return n; |
|
515 |
} finally { |
|
516 |
Util.releaseTemporaryDirectBuffer(bb); |
|
517 |
} |
|
518 |
} |
|
519 |
||
520 |
private int receiveIntoNativeBuffer(FileDescriptor fd, ByteBuffer bb, |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
521 |
int rem, int pos, boolean connected) |
2 | 522 |
throws IOException |
523 |
{ |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
524 |
int n = receive0(fd, ((DirectBuffer)bb).address() + pos, rem, connected); |
2 | 525 |
if (n > 0) |
526 |
bb.position(pos + n); |
|
527 |
return n; |
|
528 |
} |
|
529 |
||
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
530 |
@Override |
2 | 531 |
public int send(ByteBuffer src, SocketAddress target) |
532 |
throws IOException |
|
533 |
{ |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
534 |
Objects.requireNonNull(src); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
535 |
InetSocketAddress isa = Net.checkAddress(target, family); |
2 | 536 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
537 |
writeLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
538 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
539 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
540 |
int n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
541 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
542 |
SocketAddress remote = beginWrite(blocking, false); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
543 |
if (remote != null) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
544 |
// connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
545 |
if (!target.equals(remote)) { |
49284
a51ca91c2cde
8198753: (dc) DatagramChannel throws unspecified exceptions
bpb
parents:
49001
diff
changeset
|
546 |
throw new AlreadyConnectedException(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
547 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
548 |
n = IOUtil.write(fd, src, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
549 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
550 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
551 |
park(Net.POLLOUT); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
552 |
n = IOUtil.write(fd, src, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
553 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
554 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
555 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
556 |
// not connected |
2 | 557 |
SecurityManager sm = System.getSecurityManager(); |
558 |
if (sm != null) { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
559 |
InetAddress ia = isa.getAddress(); |
2 | 560 |
if (ia.isMulticastAddress()) { |
16089 | 561 |
sm.checkMulticast(ia); |
2 | 562 |
} else { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
563 |
sm.checkConnect(ia.getHostAddress(), isa.getPort()); |
2 | 564 |
} |
565 |
} |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
566 |
n = send(fd, src, isa); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
567 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
568 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
569 |
park(Net.POLLOUT); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
570 |
n = send(fd, src, isa); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
571 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
572 |
} |
2 | 573 |
} |
574 |
} finally { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
575 |
endWrite(blocking, n > 0); |
2 | 576 |
assert IOStatus.check(n); |
577 |
} |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
578 |
return IOStatus.normalize(n); |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
579 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
580 |
writeLock.unlock(); |
2 | 581 |
} |
582 |
} |
|
583 |
||
16089 | 584 |
private int send(FileDescriptor fd, ByteBuffer src, InetSocketAddress target) |
2 | 585 |
throws IOException |
586 |
{ |
|
587 |
if (src instanceof DirectBuffer) |
|
588 |
return sendFromNativeBuffer(fd, src, target); |
|
589 |
||
590 |
// Substitute a native buffer |
|
591 |
int pos = src.position(); |
|
592 |
int lim = src.limit(); |
|
593 |
assert (pos <= lim); |
|
594 |
int rem = (pos <= lim ? lim - pos : 0); |
|
595 |
||
9237
cbb5753e87e7
7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown
alanb
parents:
8817
diff
changeset
|
596 |
ByteBuffer bb = Util.getTemporaryDirectBuffer(rem); |
2 | 597 |
try { |
598 |
bb.put(src); |
|
599 |
bb.flip(); |
|
600 |
// Do not update src until we see how many bytes were written |
|
601 |
src.position(pos); |
|
602 |
||
603 |
int n = sendFromNativeBuffer(fd, bb, target); |
|
604 |
if (n > 0) { |
|
605 |
// now update src |
|
606 |
src.position(pos + n); |
|
607 |
} |
|
608 |
return n; |
|
609 |
} finally { |
|
610 |
Util.releaseTemporaryDirectBuffer(bb); |
|
611 |
} |
|
612 |
} |
|
613 |
||
614 |
private int sendFromNativeBuffer(FileDescriptor fd, ByteBuffer bb, |
|
16089 | 615 |
InetSocketAddress target) |
2 | 616 |
throws IOException |
617 |
{ |
|
618 |
int pos = bb.position(); |
|
619 |
int lim = bb.limit(); |
|
620 |
assert (pos <= lim); |
|
621 |
int rem = (pos <= lim ? lim - pos : 0); |
|
622 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
623 |
boolean preferIPv6 = (family != StandardProtocolFamily.INET); |
12047
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
624 |
int written; |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
625 |
try { |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
626 |
written = send0(preferIPv6, fd, ((DirectBuffer)bb).address() + pos, |
16089 | 627 |
rem, target.getAddress(), target.getPort()); |
12047
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
628 |
} catch (PortUnreachableException pue) { |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
629 |
if (isConnected()) |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
630 |
throw pue; |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
631 |
written = rem; |
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
9679
diff
changeset
|
632 |
} |
2 | 633 |
if (written > 0) |
634 |
bb.position(pos + written); |
|
635 |
return written; |
|
636 |
} |
|
637 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
638 |
@Override |
2 | 639 |
public int read(ByteBuffer buf) throws IOException { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
640 |
Objects.requireNonNull(buf); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
641 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
642 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
643 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
644 |
boolean blocking = isBlocking(); |
2 | 645 |
int n = 0; |
646 |
try { |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
647 |
beginRead(blocking, true); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
648 |
n = IOUtil.read(fd, buf, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
649 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
650 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
651 |
park(Net.POLLIN); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
652 |
n = IOUtil.read(fd, buf, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
653 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
654 |
} |
2 | 655 |
} finally { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
656 |
endRead(blocking, n > 0); |
2 | 657 |
assert IOStatus.check(n); |
658 |
} |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
659 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
660 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
661 |
readLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
662 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
663 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
664 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
665 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
666 |
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
|
667 |
throws IOException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
668 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
669 |
Objects.checkFromIndexSize(offset, length, dsts.length); |
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 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
672 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
673 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
674 |
long n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
675 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
676 |
beginRead(blocking, true); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
677 |
n = IOUtil.read(fd, dsts, offset, length, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
678 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
679 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
680 |
park(Net.POLLIN); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
681 |
n = IOUtil.read(fd, dsts, offset, length, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
682 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
683 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
684 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
685 |
endRead(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
686 |
assert IOStatus.check(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
687 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
688 |
return IOStatus.normalize(n); |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
689 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
690 |
readLock.unlock(); |
2 | 691 |
} |
692 |
} |
|
693 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
694 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
695 |
* 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
|
696 |
* @param blocking true if configured blocking |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
697 |
* @param mustBeConnected true if the socket must be connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
698 |
* @return remote address if connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
699 |
* @throws ClosedChannelException if the channel is closed |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
700 |
* @throws NotYetConnectedException if mustBeConnected and not connected |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
701 |
* @throws IOException if socket not bound and cannot be bound |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
702 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
703 |
private SocketAddress beginWrite(boolean blocking, boolean mustBeConnected) |
6301 | 704 |
throws IOException |
705 |
{ |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
706 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
707 |
// set hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
708 |
begin(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
709 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
710 |
SocketAddress remote; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
711 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
712 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
713 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
714 |
remote = remoteAddress; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
715 |
if ((remote == null) && mustBeConnected) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
716 |
throw new NotYetConnectedException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
717 |
if (localAddress == null) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
718 |
bindInternal(null); |
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 |
writerThread = NativeThread.current(); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
721 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
722 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
723 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
724 |
return remote; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
725 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
726 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
727 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
728 |
* 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
|
729 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
730 |
* @throws AsynchronousCloseException if the channel was closed asynchronously |
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 |
private void endWrite(boolean blocking, boolean completed) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
733 |
throws AsynchronousCloseException |
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 |
if (blocking) { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
736 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
737 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
738 |
writerThread = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
739 |
// notify any thread waiting in implCloseSelectableChannel |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
740 |
if (state == ST_CLOSING) { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
741 |
stateCondition.signalAll(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
742 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
743 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
744 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
745 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
746 |
// remove hook for Thread.interrupt |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
747 |
end(completed); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
748 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
749 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
750 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
751 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
752 |
public int write(ByteBuffer buf) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
753 |
Objects.requireNonNull(buf); |
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 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
756 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
757 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
758 |
int n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
759 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
760 |
beginWrite(blocking, true); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
761 |
n = IOUtil.write(fd, buf, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
762 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
763 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
764 |
park(Net.POLLOUT); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
765 |
n = IOUtil.write(fd, buf, -1, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
766 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
767 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
768 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
769 |
endWrite(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
770 |
assert IOStatus.check(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
771 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
772 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
773 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
774 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
775 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
776 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
777 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
778 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
779 |
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
|
780 |
throws IOException |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
781 |
{ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
782 |
Objects.checkFromIndexSize(offset, length, srcs.length); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
783 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
784 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
785 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
786 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
787 |
long n = 0; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
788 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
789 |
beginWrite(blocking, true); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
790 |
n = IOUtil.write(fd, srcs, offset, length, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
791 |
if (blocking) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
792 |
while (IOStatus.okayToRetry(n) && isOpen()) { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
793 |
park(Net.POLLOUT); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
794 |
n = IOUtil.write(fd, srcs, offset, length, nd); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
795 |
} |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
796 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
797 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
798 |
endWrite(blocking, n > 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
799 |
assert IOStatus.check(n); |
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 |
return IOStatus.normalize(n); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
802 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
803 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
804 |
} |
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 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
807 |
@Override |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
808 |
protected void implConfigureBlocking(boolean block) throws IOException { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
809 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
810 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
811 |
writeLock.lock(); |
2 | 812 |
try { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
813 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
814 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
815 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
816 |
IOUtil.configureBlocking(fd, block); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
817 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
818 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
819 |
} |
2 | 820 |
} finally { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
821 |
writeLock.unlock(); |
2 | 822 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
823 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
824 |
readLock.unlock(); |
2 | 825 |
} |
826 |
} |
|
827 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
828 |
InetSocketAddress localAddress() { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
829 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
830 |
try { |
2 | 831 |
return localAddress; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
832 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
833 |
stateLock.unlock(); |
2 | 834 |
} |
835 |
} |
|
836 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
837 |
InetSocketAddress remoteAddress() { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
838 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
839 |
try { |
2 | 840 |
return remoteAddress; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
841 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
842 |
stateLock.unlock(); |
2 | 843 |
} |
844 |
} |
|
845 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
846 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
847 |
public DatagramChannel bind(SocketAddress local) throws IOException { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
848 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
849 |
try { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
850 |
writeLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
851 |
try { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
852 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
853 |
try { |
2 | 854 |
ensureOpen(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
855 |
if (localAddress != null) |
2 | 856 |
throw new AlreadyBoundException(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
857 |
bindInternal(local); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
858 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
859 |
stateLock.unlock(); |
2 | 860 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
861 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
862 |
writeLock.unlock(); |
2 | 863 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
864 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
865 |
readLock.unlock(); |
2 | 866 |
} |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
867 |
return this; |
2 | 868 |
} |
869 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
870 |
private void bindInternal(SocketAddress local) throws IOException { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
871 |
assert stateLock.isHeldByCurrentThread() && (localAddress == null); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
872 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
873 |
InetSocketAddress isa; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
874 |
if (local == null) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
875 |
// only Inet4Address allowed with IPv4 socket |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
876 |
if (family == StandardProtocolFamily.INET) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
877 |
isa = new InetSocketAddress(InetAddress.getByName("0.0.0.0"), 0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
878 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
879 |
isa = new InetSocketAddress(0); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
880 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
881 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
882 |
isa = Net.checkAddress(local, family); |
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 |
SecurityManager sm = System.getSecurityManager(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
885 |
if (sm != null) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
886 |
sm.checkListen(isa.getPort()); |
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 |
Net.bind(family, fd, isa.getAddress(), isa.getPort()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
889 |
localAddress = Net.localAddress(fd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
890 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
891 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
892 |
@Override |
2 | 893 |
public boolean isConnected() { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
894 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
895 |
try { |
2 | 896 |
return (state == ST_CONNECTED); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
897 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
898 |
stateLock.unlock(); |
2 | 899 |
} |
900 |
} |
|
901 |
||
18212
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
902 |
@Override |
2 | 903 |
public DatagramChannel connect(SocketAddress sa) throws IOException { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
904 |
InetSocketAddress isa = Net.checkAddress(sa, family); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
905 |
SecurityManager sm = System.getSecurityManager(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
906 |
if (sm != null) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
907 |
InetAddress ia = isa.getAddress(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
908 |
if (ia.isMulticastAddress()) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
909 |
sm.checkMulticast(ia); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
910 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
911 |
sm.checkConnect(ia.getHostAddress(), isa.getPort()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
912 |
sm.checkAccept(ia.getHostAddress(), isa.getPort()); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
913 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
914 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
915 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
916 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
917 |
try { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
918 |
writeLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
919 |
try { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
920 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
921 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
922 |
ensureOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
923 |
if (state == ST_CONNECTED) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
924 |
throw new AlreadyConnectedException(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
925 |
|
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
926 |
int n = Net.connect(family, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
927 |
fd, |
2 | 928 |
isa.getAddress(), |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
929 |
isa.getPort()); |
2 | 930 |
if (n <= 0) |
931 |
throw new Error(); // Can't happen |
|
932 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
933 |
// connected |
18212
22f8c33b0690
8001318: Socket.getLocalAddress not consistent with InetAddress.getLocalHost
khazra
parents:
18192
diff
changeset
|
934 |
remoteAddress = isa; |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
935 |
state = ST_CONNECTED; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
936 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
937 |
// refresh local address |
7045
525f00c555b2
6431343: (dc) DatagramChannel may not report its local address correctly after connect or disconnect
alanb
parents:
6301
diff
changeset
|
938 |
localAddress = Net.localAddress(fd); |
27078 | 939 |
|
940 |
// flush any packets already received. |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
941 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
942 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
943 |
IOUtil.configureBlocking(fd, false); |
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 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
946 |
ByteBuffer buf = ByteBuffer.allocate(100); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
947 |
while (receive(fd, buf, false) > 0) { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
948 |
buf.clear(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
949 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
950 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
951 |
if (blocking) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
952 |
IOUtil.configureBlocking(fd, true); |
27078 | 953 |
} |
954 |
} |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
955 |
|
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
956 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
957 |
stateLock.unlock(); |
2 | 958 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
959 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
960 |
writeLock.unlock(); |
2 | 961 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
962 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
963 |
readLock.unlock(); |
2 | 964 |
} |
965 |
return this; |
|
966 |
} |
|
967 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
968 |
@Override |
2 | 969 |
public DatagramChannel disconnect() throws IOException { |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
970 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
971 |
try { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
972 |
writeLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
973 |
try { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
974 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
975 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
976 |
if (!isOpen() || (state != ST_CONNECTED)) |
2 | 977 |
return this; |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
978 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
979 |
// disconnect socket |
12547
ae1b2051db5d
7132924: (dc) DatagramChannel.disconnect throws SocketException with IPv4 socket and IPv6 enabled [macosx]
alanb
parents:
12440
diff
changeset
|
980 |
boolean isIPv6 = (family == StandardProtocolFamily.INET6); |
ae1b2051db5d
7132924: (dc) DatagramChannel.disconnect throws SocketException with IPv4 socket and IPv6 enabled [macosx]
alanb
parents:
12440
diff
changeset
|
981 |
disconnect0(fd, isIPv6); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
982 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
983 |
// no longer connected |
2 | 984 |
remoteAddress = null; |
985 |
state = ST_UNCONNECTED; |
|
7045
525f00c555b2
6431343: (dc) DatagramChannel may not report its local address correctly after connect or disconnect
alanb
parents:
6301
diff
changeset
|
986 |
|
525f00c555b2
6431343: (dc) DatagramChannel may not report its local address correctly after connect or disconnect
alanb
parents:
6301
diff
changeset
|
987 |
// refresh local address |
525f00c555b2
6431343: (dc) DatagramChannel may not report its local address correctly after connect or disconnect
alanb
parents:
6301
diff
changeset
|
988 |
localAddress = Net.localAddress(fd); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
989 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
990 |
stateLock.unlock(); |
2 | 991 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
992 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
993 |
writeLock.unlock(); |
2 | 994 |
} |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
995 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
996 |
readLock.unlock(); |
2 | 997 |
} |
998 |
return this; |
|
999 |
} |
|
1000 |
||
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1001 |
/** |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1002 |
* Joins channel's socket to the given group/interface and |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1003 |
* optional source address. |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1004 |
*/ |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1005 |
private MembershipKey innerJoin(InetAddress group, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1006 |
NetworkInterface interf, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1007 |
InetAddress source) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1008 |
throws IOException |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1009 |
{ |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1010 |
if (!group.isMulticastAddress()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1011 |
throw new IllegalArgumentException("Group not a multicast address"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1012 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1013 |
// check multicast address is compatible with this socket |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1014 |
if (group instanceof Inet4Address) { |
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1015 |
if (family == StandardProtocolFamily.INET6 && !Net.canIPv6SocketJoinIPv4Group()) |
9237
cbb5753e87e7
7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown
alanb
parents:
8817
diff
changeset
|
1016 |
throw new IllegalArgumentException("IPv6 socket cannot join IPv4 multicast group"); |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1017 |
} else if (group instanceof Inet6Address) { |
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1018 |
if (family != StandardProtocolFamily.INET6) |
9237
cbb5753e87e7
7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown
alanb
parents:
8817
diff
changeset
|
1019 |
throw new IllegalArgumentException("Only IPv6 sockets can join IPv6 multicast group"); |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1020 |
} else { |
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1021 |
throw new IllegalArgumentException("Address type not supported"); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1022 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1023 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1024 |
// check source address |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1025 |
if (source != null) { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1026 |
if (source.isAnyLocalAddress()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1027 |
throw new IllegalArgumentException("Source address is a wildcard address"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1028 |
if (source.isMulticastAddress()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1029 |
throw new IllegalArgumentException("Source address is multicast address"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1030 |
if (source.getClass() != group.getClass()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1031 |
throw new IllegalArgumentException("Source address is different type to group"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1032 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1033 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1034 |
SecurityManager sm = System.getSecurityManager(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1035 |
if (sm != null) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1036 |
sm.checkMulticast(group); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1037 |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1038 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1039 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1040 |
ensureOpen(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1041 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1042 |
// check the registry to see if we are already a member of the group |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1043 |
if (registry == null) { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1044 |
registry = new MembershipRegistry(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1045 |
} else { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1046 |
// return existing membership key |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1047 |
MembershipKey key = registry.checkMembership(group, interf, source); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1048 |
if (key != null) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1049 |
return key; |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1050 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1051 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1052 |
MembershipKeyImpl key; |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1053 |
if ((family == StandardProtocolFamily.INET6) && |
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1054 |
((group instanceof Inet6Address) || Net.canJoin6WithIPv4Group())) |
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1055 |
{ |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1056 |
int index = interf.getIndex(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1057 |
if (index == -1) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1058 |
throw new IOException("Network interface cannot be identified"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1059 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1060 |
// need multicast and source address as byte arrays |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1061 |
byte[] groupAddress = Net.inet6AsByteArray(group); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1062 |
byte[] sourceAddress = (source == null) ? null : |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1063 |
Net.inet6AsByteArray(source); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1064 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1065 |
// join the group |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1066 |
int n = Net.join6(fd, groupAddress, index, sourceAddress); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1067 |
if (n == IOStatus.UNAVAILABLE) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1068 |
throw new UnsupportedOperationException(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1069 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1070 |
key = new MembershipKeyImpl.Type6(this, group, interf, source, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1071 |
groupAddress, index, sourceAddress); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1072 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1073 |
} else { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1074 |
// need IPv4 address to identify interface |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1075 |
Inet4Address target = Net.anyInet4Address(interf); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1076 |
if (target == null) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1077 |
throw new IOException("Network interface not configured for IPv4"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1078 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1079 |
int groupAddress = Net.inet4AsInt(group); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1080 |
int targetAddress = Net.inet4AsInt(target); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1081 |
int sourceAddress = (source == null) ? 0 : Net.inet4AsInt(source); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1082 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1083 |
// join the group |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1084 |
int n = Net.join4(fd, groupAddress, targetAddress, sourceAddress); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1085 |
if (n == IOStatus.UNAVAILABLE) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1086 |
throw new UnsupportedOperationException(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1087 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1088 |
key = new MembershipKeyImpl.Type4(this, group, interf, source, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1089 |
groupAddress, targetAddress, sourceAddress); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1090 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1091 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1092 |
registry.add(key); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1093 |
return key; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1094 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1095 |
stateLock.unlock(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1096 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1097 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1098 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1099 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1100 |
public MembershipKey join(InetAddress group, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1101 |
NetworkInterface interf) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1102 |
throws IOException |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1103 |
{ |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1104 |
return innerJoin(group, interf, null); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1105 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1106 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1107 |
@Override |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1108 |
public MembershipKey join(InetAddress group, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1109 |
NetworkInterface interf, |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1110 |
InetAddress source) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1111 |
throws IOException |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1112 |
{ |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1113 |
Objects.requireNonNull(source); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1114 |
return innerJoin(group, interf, source); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1115 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1116 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1117 |
// package-private |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1118 |
void drop(MembershipKeyImpl key) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1119 |
assert key.channel() == this; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1120 |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1121 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1122 |
try { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1123 |
if (!key.isValid()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1124 |
return; |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1125 |
|
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1126 |
try { |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1127 |
if (key instanceof MembershipKeyImpl.Type6) { |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1128 |
MembershipKeyImpl.Type6 key6 = |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1129 |
(MembershipKeyImpl.Type6)key; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1130 |
Net.drop6(fd, key6.groupAddress(), key6.index(), key6.source()); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1131 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1132 |
MembershipKeyImpl.Type4 key4 = (MembershipKeyImpl.Type4)key; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1133 |
Net.drop4(fd, key4.groupAddress(), key4.interfaceAddress(), |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1134 |
key4.source()); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1135 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1136 |
} catch (IOException ioe) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1137 |
// should not happen |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1138 |
throw new AssertionError(ioe); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1139 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1140 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1141 |
key.invalidate(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1142 |
registry.remove(key); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1143 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1144 |
stateLock.unlock(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1145 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1146 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1147 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1148 |
/** |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1149 |
* Block datagrams from given source if a memory to receive all |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1150 |
* datagrams. |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1151 |
*/ |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1152 |
void block(MembershipKeyImpl key, InetAddress source) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1153 |
throws IOException |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1154 |
{ |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1155 |
assert key.channel() == this; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1156 |
assert key.sourceAddress() == null; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1157 |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1158 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1159 |
try { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1160 |
if (!key.isValid()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1161 |
throw new IllegalStateException("key is no longer valid"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1162 |
if (source.isAnyLocalAddress()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1163 |
throw new IllegalArgumentException("Source address is a wildcard address"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1164 |
if (source.isMulticastAddress()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1165 |
throw new IllegalArgumentException("Source address is multicast address"); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1166 |
if (source.getClass() != key.group().getClass()) |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1167 |
throw new IllegalArgumentException("Source address is different type to group"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1168 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1169 |
int n; |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1170 |
if (key instanceof MembershipKeyImpl.Type6) { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1171 |
MembershipKeyImpl.Type6 key6 = |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1172 |
(MembershipKeyImpl.Type6)key; |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1173 |
n = Net.block6(fd, key6.groupAddress(), key6.index(), |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1174 |
Net.inet6AsByteArray(source)); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1175 |
} else { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1176 |
MembershipKeyImpl.Type4 key4 = |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1177 |
(MembershipKeyImpl.Type4)key; |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1178 |
n = Net.block4(fd, key4.groupAddress(), key4.interfaceAddress(), |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1179 |
Net.inet4AsInt(source)); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1180 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1181 |
if (n == IOStatus.UNAVAILABLE) { |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1182 |
// ancient kernel |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1183 |
throw new UnsupportedOperationException(); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1184 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1185 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1186 |
stateLock.unlock(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1187 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1188 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1189 |
|
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1190 |
/** |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1191 |
* Unblock given source. |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1192 |
*/ |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1193 |
void unblock(MembershipKeyImpl key, InetAddress source) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1194 |
assert key.channel() == this; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1195 |
assert key.sourceAddress() == null; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1196 |
|
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1197 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1198 |
try { |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1199 |
if (!key.isValid()) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1200 |
throw new IllegalStateException("key is no longer valid"); |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1201 |
|
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1202 |
try { |
8788
b98f18278dc4
7026376: (dc) DatagramChannel created without specifying protocol family fails to join IPv4 group
alanb
parents:
7668
diff
changeset
|
1203 |
if (key instanceof MembershipKeyImpl.Type6) { |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1204 |
MembershipKeyImpl.Type6 key6 = |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1205 |
(MembershipKeyImpl.Type6)key; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1206 |
Net.unblock6(fd, key6.groupAddress(), key6.index(), |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1207 |
Net.inet6AsByteArray(source)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1208 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1209 |
MembershipKeyImpl.Type4 key4 = |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1210 |
(MembershipKeyImpl.Type4)key; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1211 |
Net.unblock4(fd, key4.groupAddress(), key4.interfaceAddress(), |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1212 |
Net.inet4AsInt(source)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1213 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1214 |
} catch (IOException ioe) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1215 |
// should not happen |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
1247
diff
changeset
|
1216 |
throw new AssertionError(ioe); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1217 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1218 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1219 |
stateLock.unlock(); |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1220 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1221 |
} |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1222 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1223 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1224 |
* Invoked by implCloseChannel to close the channel. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1225 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1226 |
* 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
|
1227 |
* 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
|
1228 |
* 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
|
1229 |
* complete quickly. |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1230 |
* |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1231 |
* 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
|
1232 |
* 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
|
1233 |
* 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
|
1234 |
* 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
|
1235 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1236 |
@Override |
2 | 1237 |
protected void implCloseSelectableChannel() throws IOException { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1238 |
assert !isOpen(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1239 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1240 |
boolean blocking; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1241 |
boolean interrupted = false; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1242 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1243 |
// set state to ST_CLOSING and invalid membership keys |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1244 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1245 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1246 |
assert state < ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1247 |
blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1248 |
state = ST_CLOSING; |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1249 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1250 |
// if member of any multicast groups then invalidate the keys |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1251 |
if (registry != null) |
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1252 |
registry.invalidateAll(); |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1253 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1254 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1255 |
} |
1152
29d6145d1097
4640544: New I/O: Complete socket-channel functionality
alanb
parents:
2
diff
changeset
|
1256 |
|
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1257 |
// 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
|
1258 |
if (blocking) { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1259 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1260 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1261 |
assert state == ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1262 |
long reader = readerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1263 |
long writer = writerThread; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1264 |
if (reader != 0 || writer != 0) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1265 |
nd.preClose(fd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1266 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1267 |
if (reader != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1268 |
NativeThread.signal(reader); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1269 |
if (writer != 0) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1270 |
NativeThread.signal(writer); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1271 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1272 |
// 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
|
1273 |
while (readerThread != 0 || writerThread != 0) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1274 |
try { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1275 |
stateCondition.await(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1276 |
} catch (InterruptedException e) { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1277 |
interrupted = true; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1278 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1279 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1280 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1281 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1282 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1283 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1284 |
} else { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1285 |
// 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
|
1286 |
readLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1287 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1288 |
writeLock.lock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1289 |
writeLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1290 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1291 |
readLock.unlock(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1292 |
} |
2 | 1293 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1294 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1295 |
// set state to ST_KILLPENDING |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1296 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1297 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1298 |
assert state == ST_CLOSING; |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1299 |
state = ST_KILLPENDING; |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1300 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1301 |
stateLock.unlock(); |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1302 |
} |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1303 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1304 |
// close socket if not registered with Selector |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1305 |
if (!isRegistered()) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1306 |
kill(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1307 |
|
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1308 |
// restore interrupt status |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1309 |
if (interrupted) |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1310 |
Thread.currentThread().interrupt(); |
2 | 1311 |
} |
1312 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1313 |
@Override |
2 | 1314 |
public void kill() throws IOException { |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1315 |
stateLock.lock(); |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1316 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1317 |
if (state == ST_KILLPENDING) { |
2 | 1318 |
state = ST_KILLED; |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1319 |
try { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1320 |
nd.close(fd); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1321 |
} finally { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1322 |
// notify resource manager |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1323 |
ResourceManager.afterUdpClose(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1324 |
} |
2 | 1325 |
} |
54620
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1326 |
} finally { |
13b67c1420b8
8222774: (ch) Replace uses of stateLock and blockingLock with j.u.c. locks
alanb
parents:
53419
diff
changeset
|
1327 |
stateLock.unlock(); |
2 | 1328 |
} |
1329 |
} |
|
1330 |
||
44534 | 1331 |
@SuppressWarnings("deprecation") |
2 | 1332 |
protected void finalize() throws IOException { |
1333 |
// fd is null if constructor threw exception |
|
1334 |
if (fd != null) |
|
1335 |
close(); |
|
1336 |
} |
|
1337 |
||
1338 |
/** |
|
1339 |
* Translates native poll revent set into a ready operation set |
|
1340 |
*/ |
|
49493 | 1341 |
public boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl ski) { |
1342 |
int intOps = ski.nioInterestOps(); |
|
1343 |
int oldOps = ski.nioReadyOps(); |
|
2 | 1344 |
int newOps = initialOps; |
1345 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1346 |
if ((ops & Net.POLLNVAL) != 0) { |
2 | 1347 |
// This should only happen if this channel is pre-closed while a |
1348 |
// selection operation is in progress |
|
1349 |
// ## Throw an error if this channel has not been pre-closed |
|
1350 |
return false; |
|
1351 |
} |
|
1352 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1353 |
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) { |
2 | 1354 |
newOps = intOps; |
49493 | 1355 |
ski.nioReadyOps(newOps); |
2 | 1356 |
return (newOps & ~oldOps) != 0; |
1357 |
} |
|
1358 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1359 |
if (((ops & Net.POLLIN) != 0) && |
2 | 1360 |
((intOps & SelectionKey.OP_READ) != 0)) |
1361 |
newOps |= SelectionKey.OP_READ; |
|
1362 |
||
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1363 |
if (((ops & Net.POLLOUT) != 0) && |
2 | 1364 |
((intOps & SelectionKey.OP_WRITE) != 0)) |
1365 |
newOps |= SelectionKey.OP_WRITE; |
|
1366 |
||
49493 | 1367 |
ski.nioReadyOps(newOps); |
2 | 1368 |
return (newOps & ~oldOps) != 0; |
1369 |
} |
|
1370 |
||
49493 | 1371 |
public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl ski) { |
1372 |
return translateReadyOps(ops, ski.nioReadyOps(), ski); |
|
2 | 1373 |
} |
1374 |
||
49493 | 1375 |
public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl ski) { |
1376 |
return translateReadyOps(ops, 0, ski); |
|
2 | 1377 |
} |
1378 |
||
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1379 |
/** |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1380 |
* 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
|
1381 |
* @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
|
1382 |
*/ |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1383 |
boolean pollRead(long timeout) throws IOException { |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1384 |
boolean blocking = isBlocking(); |
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1385 |
assert Thread.holdsLock(blockingLock()) && blocking; |
14025
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1386 |
|
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
1387 |
readLock.lock(); |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
1388 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1389 |
boolean polled = false; |
14025
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1390 |
try { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1391 |
beginRead(blocking, false); |
49702
09c01737ad27
8201474: (so) Socket adaptor connect(InetAddress, timeout) succeeds when connection fails
alanb
parents:
49493
diff
changeset
|
1392 |
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
|
1393 |
polled = (events != 0); |
14025
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1394 |
} finally { |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1395 |
endRead(blocking, polled); |
14025
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1396 |
} |
49001
ce06058197a4
8198562: (ch) Separate blocking and non-blocking code paths (part 1)
alanb
parents:
48761
diff
changeset
|
1397 |
return polled; |
48750
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
1398 |
} finally { |
ffbb784a8873
8196787: (ch) Moving network channels to use j.u.c locks
alanb
parents:
47216
diff
changeset
|
1399 |
readLock.unlock(); |
14025
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1400 |
} |
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1401 |
} |
fbebe005a3ee
7184932: Remove the temporary Selector usage in the NIO socket adapters
robm
parents:
12890
diff
changeset
|
1402 |
|
2 | 1403 |
/** |
1404 |
* Translates an interest operation set into a native poll event set |
|
1405 |
*/ |
|
49493 | 1406 |
public int translateInterestOps(int ops) { |
2 | 1407 |
int newOps = 0; |
1408 |
if ((ops & SelectionKey.OP_READ) != 0) |
|
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1409 |
newOps |= Net.POLLIN; |
2 | 1410 |
if ((ops & SelectionKey.OP_WRITE) != 0) |
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1411 |
newOps |= Net.POLLOUT; |
2 | 1412 |
if ((ops & SelectionKey.OP_CONNECT) != 0) |
22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
19607
diff
changeset
|
1413 |
newOps |= Net.POLLIN; |
49493 | 1414 |
return newOps; |
2 | 1415 |
} |
1416 |
||
1417 |
public FileDescriptor getFD() { |
|
1418 |
return fd; |
|
1419 |
} |
|
1420 |
||
1421 |
public int getFDVal() { |
|
1422 |
return fdVal; |
|
1423 |
} |
|
1424 |
||
1425 |
||
1426 |
// -- Native methods -- |
|
1427 |
||
1428 |
private static native void initIDs(); |
|
1429 |
||
12547
ae1b2051db5d
7132924: (dc) DatagramChannel.disconnect throws SocketException with IPv4 socket and IPv6 enabled [macosx]
alanb
parents:
12440
diff
changeset
|
1430 |
private static native void disconnect0(FileDescriptor fd, boolean isIPv6) |
2 | 1431 |
throws IOException; |
1432 |
||
1433 |
private native int receive0(FileDescriptor fd, long address, int len, |
|
1434 |
boolean connected) |
|
1435 |
throws IOException; |
|
1436 |
||
16089 | 1437 |
private native int send0(boolean preferIPv6, FileDescriptor fd, long address, |
1438 |
int len, InetAddress addr, int port) |
|
2 | 1439 |
throws IOException; |
1440 |
||
1441 |
static { |
|
19607
bee007586d06
8022594: Potential deadlock in <clinit> of sun.nio.ch.Util/IOUtil
alanb
parents:
18212
diff
changeset
|
1442 |
IOUtil.load(); |
2 | 1443 |
initIDs(); |
1444 |
} |
|
1445 |
} |