SocketChannel的超时不起作用 [英] Timeout for SocketChannel doesn't work

问题描述

我想使用 SocketChannel 并使其读/写方法超时。我试图为拥有我的 SocketChannel 的Socket设置超时，如下所示：

I want to use a SocketChannel and to have a timeout for its read/write methods. I've tried to set a timeout for the Socket that owns my SocketChannel like this:

channel.socket().setSoTimeout(TIMEOUT);

但这不起作用。还有其他解决方案吗？

but that doesn't work. Is there any other solution?

推荐答案

根据这个文章，SocketChannel不会因读取操作而超时，但是你可以从读取操作中获得此效果另一种方式。

According to this article, SocketChannel will not timeout for its read operation but you can get this effect from reading from the channel in another way.

SocketChannel socketChannel;
socketChannel.socket().setSocketTimeout(500);
InputStream inStream = socketChannel.socket().getInputStream();
ReadableByteChannel wrappedChannel = Channels.newChannel(inStream);

从wrappedChannel读取将根据您设置的socketTimeOut超时。

reading from the wrappedChannel will timeout according to the socketTimeOut you have set.

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