Java NIO- Selector 使用示例
16lz
2021-01-22
Selector selector = Selector.open(); channel.configureBlocking(false); SelectionKey key = channel.register(selector, SelectionKey.OP_READ); while(true) { int readyChannels = selector.select(); if(readyChannels == 0) continue; Set selectedKeys = selector.selectedKeys(); Iterator keyIterator = selectedKeys.iterator(); while(keyIterator.hasNext()) { SelectionKey key = keyIterator.next(); if(key.isAcceptable()) { // a connection was accepted by a ServerSocketChannel. } else if (key.isConnectable()) { // a connection was established with a remote server. } else if (key.isReadable()) { // a channel is ready for reading } else if (key.isWritable()) { // a channel is ready for writing } keyIterator.remove(); } }
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