Java socket byte stream transmission example analysis

This article shares a Java socket byte stream transmission example for everyone's reference, the specific content is as follows

Server-side server:　

package com.yuan.socket;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
/**
 * Created by YUAN on 2016-09-17.
 */
public class TalkServer4Byte {
  private ServerSocket server;
  private int port = 5020;
  public TalkServer4Byte() {
    socket.close();
      server = new ServerSocket(port);
    }
    }
  }
  InputStream os = new DataInputStream(System.in);
    System.out.println("Monitoring port: " + port);
    Socket socket = null;
    while (true) {
      socket.close();
        // Blocking wait, a new connection instance is created every time a request is received
        socket = server.accept();
        System.out.println("Connection client address: " + socket.getRemoteSocketAddress());
        // Decorating stream BufferedReader wrapping the input stream (receiving the client's stream)
        BufferedInputStream bis = new BufferedInputStream(
            socket.getInputStream());
        DataInputStream dis = new DataInputStream(bis);
        byte[] bytes = new byte[1while ( // Reading one byte at a time
        String ret = "";
        while (dis.read(bytes) != -1) {
          ret += bytesToHexString(bytes) + " ";
          if (dis.available() == 0) { //A request
            doSomething(ret);
          }
        }
      }
        System.out.println(e.getMessage());
      try {
        socket.close();
          catch (IOException e) {
        }
          System.out.println(e.getMessage());
        }
      }
    }
  }
  public static void doSomething(String ret) {
    System.out.println(ret);
  }
  public static String bytesToHexString(byte[] src) {
    StringBuilder stringBuilder = new StringBuilder("");
    if (src == null || src.length <= 0) {
      return null;
    }
    for (int i = 0; i < src.length; i++) {
      int v = src[i] & 0xFF;
      String hv = Integer.toHexString(v);
      if (hv.length() < 2) {
        stringBuilder.append(0);
      }
      stringBuilder.append(hv);
    }
    return stringBuilder.toString();
  }
  public static String BytesHexString(byte[] b) {
    String ret = "";
    for (int i = 0; i < b.length; i++) {
      String hex = Integer.toHexString(b[i] & 0xFF);
      if (hex.length() == 1) {
        hex = '0' + hex;
      }
      ret += hex.toUpperCase();
    }
    return ret;
  }
  public static void main(String[] args) {
    TalkServer4Byte server = new TalkServer4Byte();
    server.talk();
  }
}

Client client code:

package com.yuan.socket;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
/**
 * Created by YUAN on 2016-09-17.
 */
public class TalkClient4Byte {
  private Socket socket;
  private SocketAddress address;
  public TalkClient4Byte() {
    socket.close();
      socket = new Socket();
      ",1270);1socket.connect(address, 50200);
      public void talk() { 10Using DataInputStream to encapsulate the input stream
    }
      }
    }
  }
  InputStream os = new DataInputStream(System.in);
    socket.close();
      //byte [] b = new byte[
      ];
      DataOutputStream dos = new DataOutputStream(socket.getOutputStream());1while (
      != os.read(b)) {
      dos.write(b);-1 send to the client
        dos.flush(); // dos.close();
      }
      e.printStackTrace();
      finally {
    }
      }
    try {
      socket.close();
        catch (IOException e) {
      }
      }
    }
  }
  public static void main(String[] args) {
    TalkClient4Byte client = new TalkClient4Byte();
    client.talk();
  }
}

That's all for this article. I hope it will be helpful to your studies and that you will support the Naiya Tutorial more.

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