nio

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NIO Selector activating immediately and not blocking on select(). Spinning through loop uncontrollably

I have a selector thread:http://www.copypastecode.com/83442/ It has a list of ChangeRequests it processes, then blocks, then processes Keys.The methods connect and send are the only ones sending wake[详细]

2023-04-13 05:14 分类：问答
Java ByteBuffer performance issue

While processing multiple gigabyte files I noticed something odd: it seems that reading from a file using a filechannel into a re-used ByteBuffer object allocated with allocateDirect is much slower th[详细]

2023-04-12 16:49 分类：问答
multithreading with non-blocking sockets

I am trying to implement a TCP Server in Java using nio. Its 开发者_如何学编程simply using the Selector\'s select method to get the ready keys. And then processing those keys if they are acceptable, r[详细]

2023-04-12 08:54 分类：问答
Using FileChannel to fsync a directory with NIO.2

I just discovered that with NIO.2, at least under Linux, I can open a FileChannel on a directory, and call开发者_开发百科ing force(true) calls fsync() on the underlying file descriptor. Without gettin[详细]

2023-04-12 02:40 分类：问答
how can I subclass ByteBuffer?

So the Java NIO architects didn\'t make a ByteBuffer interface, but rather a ByteBuffer class, which isn\'t a final class, but it has no package-public constructors, and therefore it can\'t be subclas[详细]

2023-04-11 20:18 分类：问答
ReadableBytechannel.read always returns -1

I am using ReadableByteChannel to read from a file. The code snippet is as below InputStream in = new FileInputStream(\"Copy.tiff\");[详细]

2023-04-11 16:37 分类：问答
Java NIO: transferFrom until end of stream

I\'m playing around with the NIO library. I\'m attempting to listen for a connection on port 8888 and once a connection is accepted, dump everything from t开发者_如何学Chat channel to somefile.[详细]

2023-04-11 05:35 分类：问答
What is the difference between write and send on NIO channels?

I\'m building a UDP communication system with Java NIO, and browsing through the javadoc for the APIs I noticed that channels have a write primitive and a send primitive. I have p开发者_如何转开发roto[详细]

2023-04-11 02:21 分类：问答
SocketChannel.read() blocks indefinitely

I\'m having a hard time figuring this one out. I have the following code: if (selector.select(1000) <= 0) {[详细]

2023-04-11 00:18 分类：问答
Should I have two threads for input/output or use NIO?

I have been working on a (relatively) simple tcp client/server chat program for my networking class. The problem that I am running into is I am using blocking calls, such as read() and writeBytes(). S[详细]

2023-04-10 13:35 分类：问答