/*
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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.SocketChannel;
import java.util.Set;
/**
*
* @author hadeslee
*/
public class Send {
@SuppressWarnings("unused")
public static void main(String[] args) throws Exception {
SocketChannel sc = SocketChannel.open();
ByteBuffer buffer = ByteBuffer.allocate(1024);
Selector se = Selector.open();
buffer.put("我是祖国,hadeslee".getBytes());
buffer.flip();
sc.configureBlocking(false);
sc.register(se, SelectionKey.OP_CONNECT | SelectionKey.OP_READ | SelectionKey.OP_WRITE);
sc.connect(new InetSocketAddress("localhost", 8888));
while (!sc.finishConnect())
;
sc.write(buffer);
System.out.println("进入循环");
Thread.sleep(10000);
int sum = se.select();
while (se.select() > 0) {
Thread.sleep(100);
System.out.println("终于大于0了");
Set<SelectionKey> set = se.selectedKeys();
System.out.println("大小是:" + set.size());
for (SelectionKey key : set) {
int ops = key.readyOps();
if ((ops & SelectionKey.OP_CONNECT) == SelectionKey.OP_CONNECT) {
sc.write(buffer);
System.out.println("连接成功");
}
if ((ops & SelectionKey.OP_READ) == SelectionKey.OP_READ) {
System.out.println(" 收到东西");
sc.read(buffer);
buffer.flip();
System.out.println("收到的是:" + new String(buffer.array(), 0, buffer.limit()));
sc.write(buffer);
}
}
se.selectedKeys().clear();
}
}
// private static ByteBuffer[] get(String... heads) {
// ByteBuffer[] bbs = new ByteBuffer[heads.length];
// for (int i = 0; i < bbs.length; i++) {
// String s = heads[i];
// bbs[i] = ByteBuffer.allocateDirect(1024);
// bbs[i].put(s.getBytes());
// bbs[i].flip();
// }
// return bbs;
// }
}