/*
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*/
package test.java.nio;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Set;
/**
*
* @author hadeslee
*/
public class Receive {
public static void main(String[] args) throws Exception {
boolean b = true;
ByteBuffer buffer = ByteBuffer.allocate(1024);
ServerSocketChannel ss = ServerSocketChannel.open();
ss.socket().bind(new InetSocketAddress(8888));
ss.configureBlocking(false);
Selector se = Selector.open();
ss.register(se, SelectionKey.OP_ACCEPT);
while (se.select() > 0) {
Set<SelectionKey> set = se.selectedKeys();
System.out.println("进入一个循环,大小是:" + set.size());
for (SelectionKey key : set) {
int ops = key.readyOps();
System.out.println("ops=" + ops);
if ((ops & SelectionKey.OP_ACCEPT) == SelectionKey.OP_ACCEPT) {
SocketChannel sc = ss.accept();
System.err.println("有新的连接了" + sc);
System.err.println("地址是:" + sc.socket());
sc.configureBlocking(false);
sc.register(se, SelectionKey.OP_READ);
}
if ((ops & SelectionKey.OP_READ) == SelectionKey.OP_READ) {
System.err.println("有新的读取");
SocketChannel sc = (SocketChannel) key.channel();
System.out.println(sc.isConnected());
sc.read(buffer);
buffer.flip();
//System.out.println(new String(buffer.array()));
Thread.sleep(5);
if (b) {
b = false;
sc.write(buffer);
}
}
}
set.clear();
System.out.println("退出循环");
}
}
}