diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/windows/classes/sun/nio/ch/SinkChannelImpl.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/windows/classes/sun/nio/ch/SinkChannelImpl.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,143 @@ +/* + * Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* + */ + +package sun.nio.ch; + +import java.io.IOException; +import java.io.FileDescriptor; +import java.nio.ByteBuffer; +import java.nio.channels.*; +import java.nio.channels.spi.*; + + +/** + * Pipe.SinkChannel implementation based on socket connection. + */ + +class SinkChannelImpl + extends Pipe.SinkChannel + implements SelChImpl +{ + // The SocketChannel assoicated with this pipe + SocketChannel sc; + + public FileDescriptor getFD() { + return ((SocketChannelImpl)sc).getFD(); + } + + public int getFDVal() { + return ((SocketChannelImpl)sc).getFDVal(); + } + + SinkChannelImpl(SelectorProvider sp, SocketChannel sc) { + super(sp); + this.sc = sc; + } + + protected void implCloseSelectableChannel() throws IOException { + if (!isRegistered()) + kill(); + } + + public void kill() throws IOException { + sc.close(); + } + + protected void implConfigureBlocking(boolean block) throws IOException { + sc.configureBlocking(block); + } + + public boolean translateReadyOps(int ops, int initialOps, + SelectionKeyImpl sk) { + int intOps = sk.nioInterestOps(); // Do this just once, it synchronizes + int oldOps = sk.nioReadyOps(); + int newOps = initialOps; + + if ((ops & PollArrayWrapper.POLLNVAL) != 0) + throw new Error("POLLNVAL detected"); + + if ((ops & (PollArrayWrapper.POLLERR + | PollArrayWrapper.POLLHUP)) != 0) { + newOps = intOps; + sk.nioReadyOps(newOps); + return (newOps & ~oldOps) != 0; + } + + if (((ops & PollArrayWrapper.POLLOUT) != 0) && + ((intOps & SelectionKey.OP_WRITE) != 0)) + newOps |= SelectionKey.OP_WRITE; + + sk.nioReadyOps(newOps); + return (newOps & ~oldOps) != 0; + } + + public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk) { + return translateReadyOps(ops, sk.nioReadyOps(), sk); + } + + public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl sk) { + return translateReadyOps(ops, 0, sk); + } + + public void translateAndSetInterestOps(int ops, SelectionKeyImpl sk) { + if ((ops & SelectionKey.OP_WRITE) != 0) + ops = PollArrayWrapper.POLLOUT; + sk.selector.putEventOps(sk, ops); + } + + public int write(ByteBuffer src) throws IOException { + try { + return sc.write(src); + } catch (AsynchronousCloseException x) { + close(); + throw x; + } + } + + public long write(ByteBuffer[] srcs) throws IOException { + try { + return sc.write(srcs); + } catch (AsynchronousCloseException x) { + close(); + throw x; + } + } + + public long write(ByteBuffer[] srcs, int offset, int length) + throws IOException + { + if ((offset < 0) || (length < 0) || (offset > srcs.length - length)) + throw new IndexOutOfBoundsException(); + try { + return write(Util.subsequence(srcs, offset, length)); + } catch (AsynchronousCloseException x) { + close(); + throw x; + } + } +}