Java自定义多线程服务器[续--JDK线程池]

package multi;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class MultiServer {
	private int port = 8000;
	private int backlog = 42;
	private ServerSocket server_socket;
	private ExecutorService threadPool;
	private final int POOL_SIZE = 7;
	
	public MultiServer()throws IOException{
		server_socket = new ServerSocket();
		server_socket.setReuseAddress(true);
		server_socket.bind(new InetSocketAddress(port),backlog);
		int system_cpu_total = Runtime.getRuntime().availableProcessors();
		threadPool = Executors.newFixedThreadPool(POOL_SIZE * system_cpu_total);
		System.out.println("--- server started! ---");
	}
	public void service(){
		while(true){
			try{
				Socket socket = server_socket.accept();
				threadPool.execute(new WorkHandler(socket));
			} catch(Exception e){
				e.printStackTrace();
			}
		}
	}
	public static void main(String[] args)throws Exception {
	    MultiServer server = new MultiServer();
	    server.service();
    }
}

 

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