java 服务端怎么释放http连接
答案:1 悬赏:40
解决时间 2021-01-17 18:29
- 提问者网友:人生佛魔见
- 2021-01-16 21:53
java 服务端怎么释放http连接
最佳答案
- 二级知识专家网友:山河有幸埋战骨
- 2021-01-16 22:21
通过轮询来实现长连接
轮询:隔一段时间访问服务器,服务器不管有没有新消息都立刻返回。
http长连接实现代码:
客户端:
package houlei.csdn.keepalive;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.concurrent.ConcurrentHashMap;
public class Client {
public static interface ObjectAction{
void doAction(Object obj,Client client);
}
public static final class DefaultObjectAction implements ObjectAction{
public void doAction(Object obj,Client client) {
System.out.println("处理:\t"+obj.toString());//诊断程序是否正常
}
}
public static void main(String[] args) throws UnknownHostException, IOException {
String serverIp = "127.0.0.1";
int port = 65432;
Client client = new Client(serverIp,port);
client.start();
}
private String serverIp;
private int port;
private Socket socket;
private boolean running=false;
private long lastSendTime;
private ConcurrentHashMap actionMapping = new ConcurrentHashMap();
public Client(String serverIp, int port) {
this.serverIp=serverIp;this.port=port;
}
public void start() throws UnknownHostException, IOException {
if(running)return;
socket = new Socket(serverIp,port);
System.out.println("本地端口:"+socket.getLocalPort());
lastSendTime=System.currentTimeMillis();
running=true;
new Thread(new KeepAliveWatchDog()).start();
new Thread(new ReceiveWatchDog()).start();
}
public void stop(){
if(running)running=false;
}
public void addActionMap(Class
轮询:隔一段时间访问服务器,服务器不管有没有新消息都立刻返回。
http长连接实现代码:
客户端:
package houlei.csdn.keepalive;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.concurrent.ConcurrentHashMap;
public class Client {
public static interface ObjectAction{
void doAction(Object obj,Client client);
}
public static final class DefaultObjectAction implements ObjectAction{
public void doAction(Object obj,Client client) {
System.out.println("处理:\t"+obj.toString());//诊断程序是否正常
}
}
public static void main(String[] args) throws UnknownHostException, IOException {
String serverIp = "127.0.0.1";
int port = 65432;
Client client = new Client(serverIp,port);
client.start();
}
private String serverIp;
private int port;
private Socket socket;
private boolean running=false;
private long lastSendTime;
private ConcurrentHashMap
public Client(String serverIp, int port) {
this.serverIp=serverIp;this.port=port;
}
public void start() throws UnknownHostException, IOException {
if(running)return;
socket = new Socket(serverIp,port);
System.out.println("本地端口:"+socket.getLocalPort());
lastSendTime=System.currentTimeMillis();
running=true;
new Thread(new KeepAliveWatchDog()).start();
new Thread(new ReceiveWatchDog()).start();
}
public void stop(){
if(running)running=false;
}
public void addActionMap(Class
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