nio

hutool-socket/src/main/java/cn/hutool/socket/nio/NioClient.java

@@ -105,7 +105,6 @@ public abstract class NioClient implements Closeable {
 		this.executorService = Executors.newSingleThreadExecutor(r -> {
             final Thread thread = Executors.defaultThreadFactory().newThread(r);
             thread.setName("nio-client-listen");
-            thread.setDaemon(true);
             return thread;
         });
 		this.executorService.execute(() -> {
@@ -139,13 +138,6 @@ public abstract class NioClient implements Closeable {
      * @param key SelectionKey
      */
     private void handle(SelectionKey key) throws IOException {
-        //连接建立完成
-//        if (key.isConnectable()) {
-//            if (this.channel.finishConnect()) {
-//                this.channel.register(selector, SelectionKey.OP_READ);
-//            }
-//        }
-
         // 读事件就绪
         if (key.isReadable()) {
             final SocketChannel socketChannel = (SocketChannel) key.channel();
@@ -162,22 +154,6 @@ public abstract class NioClient implements Closeable {
     protected abstract void read(SocketChannel socketChannel);
 
     /**
-     * 处理读事件<br>
-     * 当收到读取准备就绪的信号后，回调此方法，用户可读取从客户端传世来的消息
-     *
-     * @param buffer 服务端数据存储缓存
-     * @return this
-     */
-    public NioClient read(ByteBuffer buffer) {
-        try {
-            this.channel.read(buffer);
-        } catch (IOException e) {
-            throw new IORuntimeException(e);
-        }
-        return this;
-    }
-
-    /**
      * 实现写逻辑<br>
      * 当收到写出准备就绪的信号后，回调此方法，用户可向客户端发送消息
      *

hutool-socket/src/test/java/cn/hutool/socket/NioClientTest.java

@@ -10,7 +10,9 @@ import java.nio.ByteBuffer;
 import java.nio.channels.SelectionKey;
 import java.nio.channels.Selector;
 import java.nio.channels.SocketChannel;
+import java.nio.charset.Charset;
 import java.util.Iterator;
+import java.util.Scanner;
 import java.util.Set;
 
 public class NioClientTest {
@@ -35,7 +37,6 @@ public class NioClientTest {
                     readBuffer.get(bytes);
                     String body = new String(bytes, "UTF-8");
                     System.out.println("the read client receive message: " + body);
-                    doWrite(sc, body);
                 }else if(readBytes < 0){
                     sc.close();
                 }
@@ -46,50 +47,21 @@ public class NioClientTest {
         }
         ByteBuffer buffer = ByteBuffer.wrap("client 发生到 server".getBytes());
         client.write(buffer);
-        if(!buffer.hasRemaining()) {
-            System.err.println("第一次发送成功...");
-        }
         buffer = ByteBuffer.wrap("client 再次发生到 server".getBytes());
         client.write(buffer);
-        if(!buffer.hasRemaining()) {
-            System.err.println("第二次发送成功...");
-        }
-    }
-
-    //发送请求
-    private static void doWriteRequest(SocketChannel socketChannel) throws Exception{
-        System.err.println("start connect...");
-
-        //创建ByteBuffer对象，会放入数据
-        ByteBuffer byteBuffer = ByteBuffer.allocate("Hello nio.example.Server!".getBytes().length);
-        byteBuffer.put("Hello nio.example.Server!".getBytes());
-        byteBuffer.flip();
-        //写数据
-        socketChannel.write(byteBuffer);
-        if(!byteBuffer.hasRemaining()) {
-            System.err.println("Send request success...");
-        }
-    }
 
-    //读取服务端的响应
-    private static void doRead(SelectionKey selectionKey) throws Exception{
-        SocketChannel socketChannel = ((SocketChannel) selectionKey.channel());
-        ByteBuffer byteBuffer = ByteBuffer.allocate(1024);
-        int len = socketChannel.read(byteBuffer);
-        System.out.println("Recv:" + new String(byteBuffer.array(), 0 ,len));
-    }
-
-    public static void doWrite(SocketChannel channel, String response) throws IOException {
-        response = "我们已收到消息："+response;
-        if(!StrUtil.isBlank(response)){
-            byte []  bytes = response.getBytes();
-            //分配一个bytes的length长度的ByteBuffer
-            ByteBuffer write = ByteBuffer.allocate(bytes.length);
-            //将返回数据写入缓冲区
-            write.put(bytes);
-            write.flip();
-            //将缓冲数据写入渠道，返回给客户端
-            channel.write(write);
+        /**
+         * 在控制台向服务器端发送数据
+         */
+        System.out.println("请在下方畅所欲言");
+        Scanner scanner = new Scanner(System.in);
+        while (scanner.hasNextLine()) {
+            String request = scanner.nextLine();
+            if (request != null && request.trim().length() > 0) {
+                client.write(
+                        Charset.forName("UTF-8")
+                                .encode("测试client" + ": " + request));
+            }
         }
     }
 }