TCP线程池JAVA实现
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2022-06-06 07:53:18
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TCP线程池Java具体代码实现演示
代码演示,仅供参考
import java.io.*;
import java.net.*;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
class MyEchoServer implements Runnable{
private Socket socket;
private int count;
public MyEchoServer(Socket socket, int count){
this.socket = socket;
this.count = count;
}
@Override
public void run() {
InputStream is = null;
InputStreamReader isr = null;
BufferedReader br = null;
OutputStream os = null;
PrintWriter pw = null;
try {
is = socket.getInputStream();
isr = new InputStreamReader(is);
br = new BufferedReader(isr);
os = socket.getOutputStream();
pw = new PrintWriter(os);
String info = null;
while ((info = br.readLine()) != null){
System.out.println("Message from client " + count + ": " + info);
pw.println(info);
pw.flush();
}
} catch (IOException e) {
e.printStackTrace();
}finally {
try {
if (pw != null)
pw.close();
if (os != null)
os.close();
if (br != null)
br.close();
if (isr != null)
isr.close();
if (is != null)
is.close();
if (socket != null)
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public class ThreadPoolEchoServer {
public static void main(String[] args) throws Exception {
ThreadPoolExecutor executor = new ThreadPoolExecutor(5, 10, 200, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(5));
ServerSocket listenSocket = new ServerSocket(8189);
Socket socket = null;
int count = 0;
System.out.println("Server listening at 8189");
while (true){
socket = listenSocket.accept();
count ++;
MyEchoServer myEchoServer = new MyEchoServer(socket, count);
executor.execute(myEchoServer);
System.out.println("The number of threads in the ThreadPool:"+executor.getPoolSize());
System.out.println("The number of tasks in the Queue:" + executor.getQueue().size());
System.out.println("The number of tasks completed:"+executor.getCompletedTaskCount());
}
}
}
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