author | jjg |
Thu, 28 Jul 2011 13:34:31 -0700 | |
changeset 10137 | d92637d3d673 |
parent 9035 | 1255eb81cc2f |
child 18212 | 22f8c33b0690 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2011, 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.nio.channels.*; |
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import java.nio.ByteBuffer; |
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import java.nio.BufferOverflowException; |
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import java.net.*; |
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import java.util.concurrent.*; |
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import java.io.IOException; |
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import sun.misc.Unsafe; |
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/** |
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* Windows implementation of AsynchronousSocketChannel using overlapped I/O. |
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*/ |
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class WindowsAsynchronousSocketChannelImpl |
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extends AsynchronousSocketChannelImpl implements Iocp.OverlappedChannel |
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{ |
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private static final Unsafe unsafe = Unsafe.getUnsafe(); |
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private static int addressSize = unsafe.addressSize(); |
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private static int dependsArch(int value32, int value64) { |
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return (addressSize == 4) ? value32 : value64; |
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} |
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/* |
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* typedef struct _WSABUF { |
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* u_long len; |
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* char FAR * buf; |
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* } WSABUF; |
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*/ |
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private static final int SIZEOF_WSABUF = dependsArch(8, 16); |
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private static final int OFFSETOF_LEN = 0; |
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private static final int OFFSETOF_BUF = dependsArch(4, 8); |
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// maximum vector size for scatter/gather I/O |
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private static final int MAX_WSABUF = 16; |
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private static final int SIZEOF_WSABUFARRAY = MAX_WSABUF * SIZEOF_WSABUF; |
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// socket handle. Use begin()/end() around each usage of this handle. |
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final long handle; |
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// I/O completion port that the socket is associated with |
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private final Iocp iocp; |
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// completion key to identify channel when I/O completes |
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private final int completionKey; |
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// Pending I/O operations are tied to an OVERLAPPED structure that can only |
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// be released when the I/O completion event is posted to the completion |
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// port. Where I/O operations complete immediately then it is possible |
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// there may be more than two OVERLAPPED structures in use. |
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private final PendingIoCache ioCache; |
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// per-channel arrays of WSABUF structures |
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private final long readBufferArray; |
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private final long writeBufferArray; |
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WindowsAsynchronousSocketChannelImpl(Iocp iocp, boolean failIfGroupShutdown) |
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throws IOException |
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{ |
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super(iocp); |
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// associate socket with default completion port |
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long h = IOUtil.fdVal(fd); |
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int key = 0; |
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try { |
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key = iocp.associate(this, h); |
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} catch (ShutdownChannelGroupException x) { |
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if (failIfGroupShutdown) { |
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closesocket0(h); |
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throw x; |
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} |
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} catch (IOException x) { |
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closesocket0(h); |
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throw x; |
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} |
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this.handle = h; |
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this.iocp = iocp; |
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this.completionKey = key; |
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this.ioCache = new PendingIoCache(); |
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// allocate WSABUF arrays |
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this.readBufferArray = unsafe.allocateMemory(SIZEOF_WSABUFARRAY); |
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this.writeBufferArray = unsafe.allocateMemory(SIZEOF_WSABUFARRAY); |
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} |
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WindowsAsynchronousSocketChannelImpl(Iocp iocp) throws IOException { |
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this(iocp, true); |
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} |
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119 |
|
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120 |
@Override |
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public AsynchronousChannelGroupImpl group() { |
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return iocp; |
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} |
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124 |
|
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125 |
/** |
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* Invoked by Iocp when an I/O operation competes. |
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*/ |
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128 |
@Override |
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public <V,A> PendingFuture<V,A> getByOverlapped(long overlapped) { |
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return ioCache.remove(overlapped); |
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} |
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132 |
|
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// invoked by WindowsAsynchronousServerSocketChannelImpl |
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134 |
long handle() { |
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return handle; |
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136 |
} |
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137 |
|
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138 |
// invoked by WindowsAsynchronousServerSocketChannelImpl when new connection |
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// accept |
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140 |
void setConnected(SocketAddress localAddress, SocketAddress remoteAddress) { |
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synchronized (stateLock) { |
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state = ST_CONNECTED; |
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this.localAddress = localAddress; |
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this.remoteAddress = remoteAddress; |
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145 |
} |
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146 |
} |
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147 |
|
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148 |
@Override |
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149 |
void implClose() throws IOException { |
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150 |
// close socket (may cause outstanding async I/O operations to fail). |
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151 |
closesocket0(handle); |
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152 |
|
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153 |
// waits until all I/O operations have completed |
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154 |
ioCache.close(); |
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|
155 |
|
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156 |
// release arrays of WSABUF structures |
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|
157 |
unsafe.freeMemory(readBufferArray); |
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|
158 |
unsafe.freeMemory(writeBufferArray); |
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|
159 |
|
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|
160 |
// finally disassociate from the completion port (key can be 0 if |
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161 |
// channel created when group is shutdown) |
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162 |
if (completionKey != 0) |
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163 |
iocp.disassociate(completionKey); |
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164 |
} |
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|
165 |
|
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|
166 |
@Override |
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167 |
public void onCancel(PendingFuture<?,?> task) { |
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|
168 |
if (task.getContext() instanceof ConnectTask) |
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|
169 |
killConnect(); |
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|
170 |
if (task.getContext() instanceof ReadTask) |
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|
171 |
killReading(); |
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|
172 |
if (task.getContext() instanceof WriteTask) |
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|
173 |
killWriting(); |
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|
174 |
} |
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|
175 |
|
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|
176 |
/** |
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|
177 |
* Implements the task to initiate a connection and the handler to |
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* consume the result when the connection is established (or fails). |
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179 |
*/ |
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180 |
private class ConnectTask<A> implements Runnable, Iocp.ResultHandler { |
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181 |
private final InetSocketAddress remote; |
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182 |
private final PendingFuture<Void,A> result; |
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|
183 |
|
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|
184 |
ConnectTask(InetSocketAddress remote, PendingFuture<Void,A> result) { |
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this.remote = remote; |
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|
186 |
this.result = result; |
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187 |
} |
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|
188 |
|
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|
189 |
private void closeChannel() { |
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190 |
try { |
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|
191 |
close(); |
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192 |
} catch (IOException ignore) { } |
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|
193 |
} |
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|
194 |
|
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|
195 |
private IOException toIOException(Throwable x) { |
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196 |
if (x instanceof IOException) { |
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|
197 |
if (x instanceof ClosedChannelException) |
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|
198 |
x = new AsynchronousCloseException(); |
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|
199 |
return (IOException)x; |
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|
200 |
} |
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|
201 |
return new IOException(x); |
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|
202 |
} |
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|
203 |
|
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|
204 |
/** |
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|
205 |
* Invoke after a connection is successfully established. |
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|
206 |
*/ |
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|
207 |
private void afterConnect() throws IOException { |
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|
208 |
updateConnectContext(handle); |
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|
209 |
synchronized (stateLock) { |
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210 |
state = ST_CONNECTED; |
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|
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remoteAddress = remote; |
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|
212 |
} |
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|
213 |
} |
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|
214 |
|
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|
215 |
/** |
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|
216 |
* Task to initiate a connection. |
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217 |
*/ |
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|
218 |
@Override |
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|
219 |
public void run() { |
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|
220 |
long overlapped = 0L; |
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|
221 |
Throwable exc = null; |
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|
222 |
try { |
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|
223 |
begin(); |
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|
224 |
|
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|
225 |
// synchronize on result to allow this thread handle the case |
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226 |
// where the connection is established immediately. |
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227 |
synchronized (result) { |
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|
228 |
overlapped = ioCache.add(result); |
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|
229 |
// initiate the connection |
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|
230 |
int n = connect0(handle, Net.isIPv6Available(), remote.getAddress(), |
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|
231 |
remote.getPort(), overlapped); |
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|
232 |
if (n == IOStatus.UNAVAILABLE) { |
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233 |
// connection is pending |
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|
234 |
return; |
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|
235 |
} |
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|
236 |
|
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// connection established immediately |
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afterConnect(); |
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result.setResult(null); |
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} |
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} catch (Throwable x) { |
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if (overlapped != 0L) |
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ioCache.remove(overlapped); |
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exc = x; |
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} finally { |
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end(); |
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247 |
} |
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248 |
|
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249 |
if (exc != null) { |
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closeChannel(); |
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|
251 |
result.setFailure(toIOException(exc)); |
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252 |
} |
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253 |
Invoker.invoke(result); |
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254 |
} |
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|
255 |
|
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256 |
/** |
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* Invoked by handler thread when connection established. |
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|
258 |
*/ |
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259 |
@Override |
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public void completed(int bytesTransferred, boolean canInvokeDirect) { |
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Throwable exc = null; |
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262 |
try { |
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|
263 |
begin(); |
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|
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afterConnect(); |
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265 |
result.setResult(null); |
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|
266 |
} catch (Throwable x) { |
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// channel is closed or unable to finish connect |
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|
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exc = x; |
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|
269 |
} finally { |
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270 |
end(); |
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|
271 |
} |
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|
272 |
|
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|
273 |
// can't close channel while in begin/end block |
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|
274 |
if (exc != null) { |
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|
275 |
closeChannel(); |
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|
276 |
result.setFailure(toIOException(exc)); |
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|
277 |
} |
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|
278 |
|
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|
279 |
if (canInvokeDirect) { |
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|
280 |
Invoker.invokeUnchecked(result); |
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|
281 |
} else { |
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|
282 |
Invoker.invoke(result); |
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|
283 |
} |
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|
284 |
} |
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|
285 |
|
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|
286 |
/** |
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|
287 |
* Invoked by handler thread when failed to establish connection. |
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|
288 |
*/ |
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|
289 |
@Override |
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|
290 |
public void failed(int error, IOException x) { |
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|
291 |
if (isOpen()) { |
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|
292 |
closeChannel(); |
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|
293 |
result.setFailure(x); |
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|
294 |
} else { |
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|
295 |
result.setFailure(new AsynchronousCloseException()); |
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|
296 |
} |
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|
297 |
Invoker.invoke(result); |
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|
298 |
} |
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|
299 |
} |
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|
300 |
|
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|
301 |
@Override |
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|
302 |
<A> Future<Void> implConnect(SocketAddress remote, |
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|
303 |
A attachment, |
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|
304 |
CompletionHandler<Void,? super A> handler) |
2057
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|
305 |
{ |
3acf8e5e2ca0
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diff
changeset
|
306 |
if (!isOpen()) { |
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|
307 |
Throwable exc = new ClosedChannelException(); |
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|
308 |
if (handler == null) |
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|
309 |
return CompletedFuture.withFailure(exc); |
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|
310 |
Invoker.invoke(this, handler, attachment, null, exc); |
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|
311 |
return null; |
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|
312 |
} |
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|
313 |
|
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|
314 |
InetSocketAddress isa = Net.checkAddress(remote); |
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|
315 |
|
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changeset
|
316 |
// permission check |
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|
317 |
SecurityManager sm = System.getSecurityManager(); |
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|
318 |
if (sm != null) |
3acf8e5e2ca0
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|
319 |
sm.checkConnect(isa.getAddress().getHostAddress(), isa.getPort()); |
3acf8e5e2ca0
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changeset
|
320 |
|
3acf8e5e2ca0
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parents:
diff
changeset
|
321 |
// check and update state |
3acf8e5e2ca0
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changeset
|
322 |
// ConnectEx requires the socket to be bound to a local address |
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diff
changeset
|
323 |
IOException bindException = null; |
3acf8e5e2ca0
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diff
changeset
|
324 |
synchronized (stateLock) { |
3acf8e5e2ca0
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changeset
|
325 |
if (state == ST_CONNECTED) |
3acf8e5e2ca0
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|
326 |
throw new AlreadyConnectedException(); |
3acf8e5e2ca0
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diff
changeset
|
327 |
if (state == ST_PENDING) |
3acf8e5e2ca0
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parents:
diff
changeset
|
328 |
throw new ConnectionPendingException(); |
3acf8e5e2ca0
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changeset
|
329 |
if (localAddress == null) { |
3acf8e5e2ca0
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changeset
|
330 |
try { |
3acf8e5e2ca0
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diff
changeset
|
331 |
bind(new InetSocketAddress(0)); |
3acf8e5e2ca0
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|
332 |
} catch (IOException x) { |
3acf8e5e2ca0
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parents:
diff
changeset
|
333 |
bindException = x; |
3acf8e5e2ca0
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parents:
diff
changeset
|
334 |
} |
3acf8e5e2ca0
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parents:
diff
changeset
|
335 |
} |
3acf8e5e2ca0
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parents:
diff
changeset
|
336 |
if (bindException == null) |
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|
337 |
state = ST_PENDING; |
3acf8e5e2ca0
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parents:
diff
changeset
|
338 |
} |
3acf8e5e2ca0
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parents:
diff
changeset
|
339 |
|
3acf8e5e2ca0
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changeset
|
340 |
// handle bind failure |
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changeset
|
341 |
if (bindException != null) { |
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changeset
|
342 |
try { |
3acf8e5e2ca0
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|
343 |
close(); |
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|
344 |
} catch (IOException ignore) { } |
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|
345 |
if (handler == null) |
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|
346 |
return CompletedFuture.withFailure(bindException); |
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|
347 |
Invoker.invoke(this, handler, attachment, null, bindException); |
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|
348 |
return null; |
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|
349 |
} |
3acf8e5e2ca0
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diff
changeset
|
350 |
|
3acf8e5e2ca0
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diff
changeset
|
351 |
// setup task |
3acf8e5e2ca0
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diff
changeset
|
352 |
PendingFuture<Void,A> result = |
3acf8e5e2ca0
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|
353 |
new PendingFuture<Void,A>(this, handler, attachment); |
10137
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7068616: NIO libraries do not build with javac -Xlint:all,-deprecation -Werror
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diff
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|
354 |
ConnectTask<A> task = new ConnectTask<A>(isa, result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
355 |
result.setContext(task); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
356 |
|
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
357 |
// initiate I/O |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
358 |
if (Iocp.supportsThreadAgnosticIo()) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
359 |
task.run(); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
360 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
361 |
Invoker.invokeOnThreadInThreadPool(this, task); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
362 |
} |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
363 |
return result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
364 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
365 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
366 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
367 |
* Implements the task to initiate a read and the handler to consume the |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
368 |
* result when the read completes. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
369 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
370 |
private class ReadTask<V,A> implements Runnable, Iocp.ResultHandler { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
371 |
private final ByteBuffer[] bufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
372 |
private final int numBufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
373 |
private final boolean scatteringRead; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
374 |
private final PendingFuture<V,A> result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
375 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
376 |
// set by run method |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
377 |
private ByteBuffer[] shadow; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
378 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
379 |
ReadTask(ByteBuffer[] bufs, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
380 |
boolean scatteringRead, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
381 |
PendingFuture<V,A> result) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
382 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
383 |
this.bufs = bufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
384 |
this.numBufs = (bufs.length > MAX_WSABUF) ? MAX_WSABUF : bufs.length; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
385 |
this.scatteringRead = scatteringRead; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
386 |
this.result = result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
387 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
388 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
389 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
390 |
* Invoked prior to read to prepare the WSABUF array. Where necessary, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
391 |
* it substitutes non-direct buffers with direct buffers. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
392 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
393 |
void prepareBuffers() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
394 |
shadow = new ByteBuffer[numBufs]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
395 |
long address = readBufferArray; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
396 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
397 |
ByteBuffer dst = bufs[i]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
398 |
int pos = dst.position(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
399 |
int lim = dst.limit(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
400 |
assert (pos <= lim); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
401 |
int rem = (pos <= lim ? lim - pos : 0); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
402 |
long a; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
403 |
if (!(dst instanceof DirectBuffer)) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
404 |
// substitute with direct buffer |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
405 |
ByteBuffer bb = Util.getTemporaryDirectBuffer(rem); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
406 |
shadow[i] = bb; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
407 |
a = ((DirectBuffer)bb).address(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
408 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
409 |
shadow[i] = dst; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
410 |
a = ((DirectBuffer)dst).address() + pos; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
411 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
412 |
unsafe.putAddress(address + OFFSETOF_BUF, a); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
413 |
unsafe.putInt(address + OFFSETOF_LEN, rem); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
414 |
address += SIZEOF_WSABUF; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
415 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
416 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
417 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
418 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
419 |
* Invoked after a read has completed to update the buffer positions |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
420 |
* and release any substituted buffers. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
421 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
422 |
void updateBuffers(int bytesRead) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
423 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
424 |
ByteBuffer nextBuffer = shadow[i]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
425 |
int pos = nextBuffer.position(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
426 |
int len = nextBuffer.remaining(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
427 |
if (bytesRead >= len) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
428 |
bytesRead -= len; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
429 |
int newPosition = pos + len; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
430 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
431 |
nextBuffer.position(newPosition); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
432 |
} catch (IllegalArgumentException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
433 |
// position changed by another |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
434 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
435 |
} else { // Buffers not completely filled |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
436 |
if (bytesRead > 0) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
437 |
assert(pos + bytesRead < (long)Integer.MAX_VALUE); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
438 |
int newPosition = pos + bytesRead; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
439 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
440 |
nextBuffer.position(newPosition); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
441 |
} catch (IllegalArgumentException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
442 |
// position changed by another |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
443 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
444 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
445 |
break; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
446 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
447 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
448 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
449 |
// Put results from shadow into the slow buffers |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
450 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
451 |
if (!(bufs[i] instanceof DirectBuffer)) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
452 |
shadow[i].flip(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
453 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
454 |
bufs[i].put(shadow[i]); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
455 |
} catch (BufferOverflowException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
456 |
// position changed by another |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
457 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
458 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
459 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
460 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
461 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
462 |
void releaseBuffers() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
463 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
464 |
if (!(bufs[i] instanceof DirectBuffer)) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
465 |
Util.releaseTemporaryDirectBuffer(shadow[i]); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
466 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
467 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
468 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
469 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
470 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
471 |
@SuppressWarnings("unchecked") |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
472 |
public void run() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
473 |
long overlapped = 0L; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
474 |
boolean prepared = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
475 |
boolean pending = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
476 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
477 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
478 |
begin(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
479 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
480 |
// substitute non-direct buffers |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
481 |
prepareBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
482 |
prepared = true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
483 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
484 |
// get an OVERLAPPED structure (from the cache or allocate) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
485 |
overlapped = ioCache.add(result); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
486 |
|
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
487 |
// initiate read |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
488 |
int n = read0(handle, numBufs, readBufferArray, overlapped); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
489 |
if (n == IOStatus.UNAVAILABLE) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
490 |
// I/O is pending |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
491 |
pending = true; |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
492 |
return; |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
493 |
} |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
494 |
if (n == IOStatus.EOF) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
495 |
// input shutdown |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
496 |
enableReading(); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
497 |
if (scatteringRead) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
498 |
result.setResult((V)Long.valueOf(-1L)); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
499 |
} else { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
500 |
result.setResult((V)Integer.valueOf(-1)); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
501 |
} |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
502 |
} else { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
503 |
throw new InternalError("Read completed immediately"); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
504 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
505 |
} catch (Throwable x) { |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
506 |
// failed to initiate read |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
507 |
// reset read flag before releasing waiters |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
508 |
enableReading(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
509 |
if (x instanceof ClosedChannelException) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
510 |
x = new AsynchronousCloseException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
511 |
if (!(x instanceof IOException)) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
512 |
x = new IOException(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
513 |
result.setFailure(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
514 |
} finally { |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
515 |
// release resources if I/O not pending |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
516 |
if (!pending) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
517 |
if (overlapped != 0L) |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
518 |
ioCache.remove(overlapped); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
519 |
if (prepared) |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
520 |
releaseBuffers(); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
521 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
522 |
end(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
523 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
524 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
525 |
// invoke completion handler |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
526 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
527 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
528 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
529 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
530 |
* Executed when the I/O has completed |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
531 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
532 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
533 |
@SuppressWarnings("unchecked") |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
534 |
public void completed(int bytesTransferred, boolean canInvokeDirect) { |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
535 |
if (bytesTransferred == 0) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
536 |
bytesTransferred = -1; // EOF |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
537 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
538 |
updateBuffers(bytesTransferred); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
539 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
540 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
541 |
// return direct buffer to cache if substituted |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
542 |
releaseBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
543 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
544 |
// release waiters if not already released by timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
545 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
546 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
547 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
548 |
enableReading(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
549 |
if (scatteringRead) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
550 |
result.setResult((V)Long.valueOf(bytesTransferred)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
551 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
552 |
result.setResult((V)Integer.valueOf(bytesTransferred)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
553 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
554 |
} |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
555 |
if (canInvokeDirect) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
556 |
Invoker.invokeUnchecked(result); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
557 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
558 |
Invoker.invoke(result); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
559 |
} |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
560 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
561 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
562 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
563 |
public void failed(int error, IOException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
564 |
// return direct buffer to cache if substituted |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
565 |
releaseBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
566 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
567 |
// release waiters if not already released by timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
568 |
if (!isOpen()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
569 |
x = new AsynchronousCloseException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
570 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
571 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
572 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
573 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
574 |
enableReading(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
575 |
result.setFailure(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
576 |
} |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
577 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
578 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
579 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
580 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
581 |
* Invoked if timeout expires before it is cancelled |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
582 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
583 |
void timeout() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
584 |
// synchronize on result as the I/O could complete/fail |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
585 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
586 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
587 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
588 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
589 |
// kill further reading before releasing waiters |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
590 |
enableReading(true); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
591 |
result.setFailure(new InterruptedByTimeoutException()); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
592 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
593 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
594 |
// invoke handler without any locks |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
595 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
596 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
597 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
598 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
599 |
@Override |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
600 |
<V extends Number,A> Future<V> implRead(boolean isScatteringRead, |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
601 |
ByteBuffer dst, |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
602 |
ByteBuffer[] dsts, |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
603 |
long timeout, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
604 |
TimeUnit unit, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
605 |
A attachment, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
606 |
CompletionHandler<V,? super A> handler) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
607 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
608 |
// setup task |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
609 |
PendingFuture<V,A> result = |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
610 |
new PendingFuture<V,A>(this, handler, attachment); |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
611 |
ByteBuffer[] bufs; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
612 |
if (isScatteringRead) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
613 |
bufs = dsts; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
614 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
615 |
bufs = new ByteBuffer[1]; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
616 |
bufs[0] = dst; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
617 |
} |
10137
d92637d3d673
7068616: NIO libraries do not build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
618 |
final ReadTask<V,A> readTask = |
d92637d3d673
7068616: NIO libraries do not build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
619 |
new ReadTask<V,A>(bufs, isScatteringRead, result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
620 |
result.setContext(readTask); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
621 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
622 |
// schedule timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
623 |
if (timeout > 0L) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
624 |
Future<?> timeoutTask = iocp.schedule(new Runnable() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
625 |
public void run() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
626 |
readTask.timeout(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
627 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
628 |
}, timeout, unit); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
629 |
result.setTimeoutTask(timeoutTask); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
630 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
631 |
|
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
632 |
// initiate I/O |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
633 |
if (Iocp.supportsThreadAgnosticIo()) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
634 |
readTask.run(); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
635 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
636 |
Invoker.invokeOnThreadInThreadPool(this, readTask); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
637 |
} |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
638 |
return result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
639 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
640 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
641 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
642 |
* Implements the task to initiate a write and the handler to consume the |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
643 |
* result when the write completes. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
644 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
645 |
private class WriteTask<V,A> implements Runnable, Iocp.ResultHandler { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
646 |
private final ByteBuffer[] bufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
647 |
private final int numBufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
648 |
private final boolean gatheringWrite; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
649 |
private final PendingFuture<V,A> result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
650 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
651 |
// set by run method |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
652 |
private ByteBuffer[] shadow; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
653 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
654 |
WriteTask(ByteBuffer[] bufs, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
655 |
boolean gatheringWrite, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
656 |
PendingFuture<V,A> result) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
657 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
658 |
this.bufs = bufs; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
659 |
this.numBufs = (bufs.length > MAX_WSABUF) ? MAX_WSABUF : bufs.length; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
660 |
this.gatheringWrite = gatheringWrite; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
661 |
this.result = result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
662 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
663 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
664 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
665 |
* Invoked prior to write to prepare the WSABUF array. Where necessary, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
666 |
* it substitutes non-direct buffers with direct buffers. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
667 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
668 |
void prepareBuffers() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
669 |
shadow = new ByteBuffer[numBufs]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
670 |
long address = writeBufferArray; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
671 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
672 |
ByteBuffer src = bufs[i]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
673 |
int pos = src.position(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
674 |
int lim = src.limit(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
675 |
assert (pos <= lim); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
676 |
int rem = (pos <= lim ? lim - pos : 0); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
677 |
long a; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
678 |
if (!(src instanceof DirectBuffer)) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
679 |
// substitute with direct buffer |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
680 |
ByteBuffer bb = Util.getTemporaryDirectBuffer(rem); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
681 |
bb.put(src); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
682 |
bb.flip(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
683 |
src.position(pos); // leave heap buffer untouched for now |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
684 |
shadow[i] = bb; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
685 |
a = ((DirectBuffer)bb).address(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
686 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
687 |
shadow[i] = src; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
688 |
a = ((DirectBuffer)src).address() + pos; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
689 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
690 |
unsafe.putAddress(address + OFFSETOF_BUF, a); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
691 |
unsafe.putInt(address + OFFSETOF_LEN, rem); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
692 |
address += SIZEOF_WSABUF; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
693 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
694 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
695 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
696 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
697 |
* Invoked after a write has completed to update the buffer positions |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
698 |
* and release any substituted buffers. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
699 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
700 |
void updateBuffers(int bytesWritten) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
701 |
// Notify the buffers how many bytes were taken |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
702 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
703 |
ByteBuffer nextBuffer = bufs[i]; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
704 |
int pos = nextBuffer.position(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
705 |
int lim = nextBuffer.limit(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
706 |
int len = (pos <= lim ? lim - pos : lim); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
707 |
if (bytesWritten >= len) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
708 |
bytesWritten -= len; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
709 |
int newPosition = pos + len; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
710 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
711 |
nextBuffer.position(newPosition); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
712 |
} catch (IllegalArgumentException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
713 |
// position changed by someone else |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
714 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
715 |
} else { // Buffers not completely filled |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
716 |
if (bytesWritten > 0) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
717 |
assert(pos + bytesWritten < (long)Integer.MAX_VALUE); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
718 |
int newPosition = pos + bytesWritten; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
719 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
720 |
nextBuffer.position(newPosition); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
721 |
} catch (IllegalArgumentException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
722 |
// position changed by someone else |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
723 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
724 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
725 |
break; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
726 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
727 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
728 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
729 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
730 |
void releaseBuffers() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
731 |
for (int i=0; i<numBufs; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
732 |
if (!(bufs[i] instanceof DirectBuffer)) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
733 |
Util.releaseTemporaryDirectBuffer(shadow[i]); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
734 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
735 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
736 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
737 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
738 |
@Override |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
739 |
//@SuppressWarnings("unchecked") |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
740 |
public void run() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
741 |
long overlapped = 0L; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
742 |
boolean prepared = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
743 |
boolean pending = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
744 |
boolean shutdown = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
745 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
746 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
747 |
begin(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
748 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
749 |
// substitute non-direct buffers |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
750 |
prepareBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
751 |
prepared = true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
752 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
753 |
// get an OVERLAPPED structure (from the cache or allocate) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
754 |
overlapped = ioCache.add(result); |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
755 |
int n = write0(handle, numBufs, writeBufferArray, overlapped); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
756 |
if (n == IOStatus.UNAVAILABLE) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
757 |
// I/O is pending |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
758 |
pending = true; |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
759 |
return; |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
760 |
} |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
761 |
if (n == IOStatus.EOF) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
762 |
// special case for shutdown output |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
763 |
shutdown = true; |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
764 |
throw new ClosedChannelException(); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
765 |
} |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
766 |
// write completed immediately |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
767 |
throw new InternalError("Write completed immediately"); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
768 |
} catch (Throwable x) { |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
769 |
// write failed. Enable writing before releasing waiters. |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
770 |
enableWriting(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
771 |
if (!shutdown && (x instanceof ClosedChannelException)) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
772 |
x = new AsynchronousCloseException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
773 |
if (!(x instanceof IOException)) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
774 |
x = new IOException(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
775 |
result.setFailure(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
776 |
} finally { |
2705
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
777 |
// release resources if I/O not pending |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
778 |
if (!pending) { |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
779 |
if (overlapped != 0L) |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
780 |
ioCache.remove(overlapped); |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
781 |
if (prepared) |
27b7f2d5e949
6834246: (ch) AsynchronousSocketChannel#write completes with wrong number of bytes written under load (win)
alanb
parents:
2284
diff
changeset
|
782 |
releaseBuffers(); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
783 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
784 |
end(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
785 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
786 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
787 |
// invoke completion handler |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
788 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
789 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
790 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
791 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
792 |
* Executed when the I/O has completed |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
793 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
794 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
795 |
@SuppressWarnings("unchecked") |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
796 |
public void completed(int bytesTransferred, boolean canInvokeDirect) { |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
797 |
updateBuffers(bytesTransferred); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
798 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
799 |
// return direct buffer to cache if substituted |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
800 |
releaseBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
801 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
802 |
// release waiters if not already released by timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
803 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
804 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
805 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
806 |
enableWriting(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
807 |
if (gatheringWrite) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
808 |
result.setResult((V)Long.valueOf(bytesTransferred)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
809 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
810 |
result.setResult((V)Integer.valueOf(bytesTransferred)); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
811 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
812 |
} |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
813 |
if (canInvokeDirect) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
814 |
Invoker.invokeUnchecked(result); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
815 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
816 |
Invoker.invoke(result); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
817 |
} |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
818 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
819 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
820 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
821 |
public void failed(int error, IOException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
822 |
// return direct buffer to cache if substituted |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
823 |
releaseBuffers(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
824 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
825 |
// release waiters if not already released by timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
826 |
if (!isOpen()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
827 |
x = new AsynchronousCloseException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
828 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
829 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
830 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
831 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
832 |
enableWriting(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
833 |
result.setFailure(x); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
834 |
} |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
835 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
836 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
837 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
838 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
839 |
* Invoked if timeout expires before it is cancelled |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
840 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
841 |
void timeout() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
842 |
// synchronize on result as the I/O could complete/fail |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
843 |
synchronized (result) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
844 |
if (result.isDone()) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
845 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
846 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
847 |
// kill further writing before releasing waiters |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
848 |
enableWriting(true); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
849 |
result.setFailure(new InterruptedByTimeoutException()); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
850 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
851 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
852 |
// invoke handler without any locks |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
853 |
Invoker.invoke(result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
854 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
855 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
856 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
857 |
@Override |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
858 |
<V extends Number,A> Future<V> implWrite(boolean gatheringWrite, |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
859 |
ByteBuffer src, |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
860 |
ByteBuffer[] srcs, |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
861 |
long timeout, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
862 |
TimeUnit unit, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
863 |
A attachment, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
864 |
CompletionHandler<V,? super A> handler) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
865 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
866 |
// setup task |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
867 |
PendingFuture<V,A> result = |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
868 |
new PendingFuture<V,A>(this, handler, attachment); |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
869 |
ByteBuffer[] bufs; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
870 |
if (gatheringWrite) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
871 |
bufs = srcs; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
872 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
873 |
bufs = new ByteBuffer[1]; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
874 |
bufs[0] = src; |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
875 |
} |
10137
d92637d3d673
7068616: NIO libraries do not build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
876 |
final WriteTask<V,A> writeTask = |
d92637d3d673
7068616: NIO libraries do not build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
9035
diff
changeset
|
877 |
new WriteTask<V,A>(bufs, gatheringWrite, result); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
878 |
result.setContext(writeTask); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
879 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
880 |
// schedule timeout |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
881 |
if (timeout > 0L) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
882 |
Future<?> timeoutTask = iocp.schedule(new Runnable() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
883 |
public void run() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
884 |
writeTask.timeout(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
885 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
886 |
}, timeout, unit); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
887 |
result.setTimeoutTask(timeoutTask); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
888 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
889 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
890 |
// initiate I/O (can only be done from thread in thread pool) |
3632
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
891 |
// initiate I/O |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
892 |
if (Iocp.supportsThreadAgnosticIo()) { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
893 |
writeTask.run(); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
894 |
} else { |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
895 |
Invoker.invokeOnThreadInThreadPool(this, writeTask); |
399359a027de
6842687: New I/O: Update Asynchronous I/O API to jsr203/nio2-b101
alanb
parents:
2705
diff
changeset
|
896 |
} |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
897 |
return result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
898 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
899 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
900 |
// -- Native methods -- |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
901 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
902 |
private static native void initIDs(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
903 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
904 |
private static native int connect0(long socket, boolean preferIPv6, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
905 |
InetAddress remote, int remotePort, long overlapped) throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
906 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
907 |
private static native void updateConnectContext(long socket) throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
908 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
909 |
private static native int read0(long socket, int count, long addres, long overlapped) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
910 |
throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
911 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
912 |
private static native int write0(long socket, int count, long address, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
913 |
long overlapped) throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
914 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
915 |
private static native void shutdown0(long socket, int how) throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
916 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
917 |
private static native void closesocket0(long socket) throws IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
918 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
919 |
static { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
920 |
Util.load(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
921 |
initIDs(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
922 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
923 |
} |