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Server.java
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221 lines (198 loc) · 5.49 KB
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package com.server;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JOptionPane;
import com.server.control.SendFileThread;
import com.server.util.GetFileInputStream;
import com.server.util.SendFile;
import com.server.util.WriteUserText;
public class Server {
public static Map<String, Integer> ipMap = Collections.synchronizedMap(new HashMap<String, Integer>());
public static Map<String, Socket> ipMap1 = Collections.synchronizedMap(new HashMap<String, Socket>());
/*
* 服务器初始化窗口
*/
public static Server_Frame sf = null;
/*
* 每个客户机链接对应的Map标识
*/
public static int flag = 0;
public static int count = 0;
public static boolean fileFlag = false;
public static void util(Socket socket, String ip) {
if (ipMap.containsKey(ip)) {
flag = ipMap.get(ip);// 取出IP对应的序号
/*
* 如果监控功能没有开启，我肯定是不放行的，但是链接依旧保存
*/
ServerThread a = new ServerThread(socket, flag,ip);
System.out.println("1、isAlive" + a.isAlive());
a.start();
System.out.println("2、isAlive" + a.isAlive());
} else {
ipMap.put(ip, (ipMap.size()) + 1);// 第一台机器对应1
flag = ipMap.size();// 第一台机器输出1
/*
* 开启日志记录线程
*/
new WriteUserText(ip).start();
ServerThread a = new ServerThread(socket, flag,ip);
System.out.println("1、isAlive" + a.isAlive());
a.start();
System.out.println("2、isAlive" + a.isAlive());
}
}
public static boolean mainListener(ServerSocket server) {
// 服务器端的Socket
Socket socket = null;
try {
socket = server.accept();
String ip = socket.getInetAddress().getHostAddress();
util(socket, ip);
/*
* if (ipMap.size() > 52) {
*
* break;// 应该拒绝链接 }
*/
// 如果点击了发送文件按钮，则传输图片的功能应该被取消掉
if (fileFlag/* 按钮被点击 */) {
server.close();
return false;
}
} catch (IOException e) {
System.out.println("1");
e.printStackTrace();
}
return true;
}
public static void sendFile(ServerSocket server) {
// 此处要循环监听所有客户端
Socket socket = null;
InputStream in = null;
DataOutputStream os = null;
System.out.println("count=" + count);
System.out.println("size=" + ipMap.size());
/*
* 暂时还没有解决in为空的情况，即老师取消发送文件
*/
in = GetFileInputStream.getFileInputStream();
while (true) {
try {
socket = server.accept();
/*
* 获取输入流，输出流，告诉客户端我是要发文件
*/
os = new DataOutputStream(socket.getOutputStream());
os.writeUTF("file");//到最后在关闭
String ip = socket.getInetAddress().getHostAddress();
if (ipMap1.containsKey(ip)) {
in = new FileInputStream(new File(SendFile.fileName));
System.out.println(4122);
SendFileThread b = new SendFileThread(socket, in);
System.out.println(77);
b.start();
try {
b.join();
count++;
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(78);
System.out.println("count=" + count);
System.out.println("size=" + ipMap.size());
} else {
System.out.println(5453);
ipMap1.put(ip, socket);
in = new FileInputStream(new File(SendFile.fileName));
SendFileThread b = new SendFileThread(socket, in);
System.out.println(777);
System.out.println(in);
b.start();
try {
b.join();
count++;
System.out.println(count);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(7875);
System.out.println("count=" + count);
System.out.println("size=" + ipMap.size());
}
System.out.println(4552);
} catch (IOException e1) {
System.out.println("233");
}
if (ipMap.size() == count) {
System.out.println(12312);
JOptionPane.showMessageDialog(null, "文件发送完成！");
count = 0;
if (in != null)
try {
in.close();
} catch (IOException e) {
System.out.println(11);
e.printStackTrace();
}
if (os != null)
try {
os.close();
} catch (IOException e) {
System.out.println(11);
e.printStackTrace();
}
break;
}
}
}
public static void main(String[] args) {
// 创建一个服务器端ServerSocket，端口号为12000
ServerSocket server;
try {
sf = new Server_Frame();
server = new ServerSocket(12000);
/*
* 采用死循环，不断监听来自客户端的链接
*/
while (true) {
System.out.println(23);
boolean isTrue = mainListener(server);
// 已经关闭
if (!isTrue) {
System.out.println(1);
server = new ServerSocket(10000);
sendFile(server);
//server.close();
//因为是本机，所以提示被占用
fileFlag = false;
server = new ServerSocket(12000);
}
/*
* if 消息按钮点击了，......
*/
/*
* if 远程操控按钮点击了，......
*/
}
} catch (IOException e) {
System.out.println(12121);
e.printStackTrace();
} catch (Exception e) {
System.out.println(121);
// try {
// server = new ServerSocket(12000);
// } catch (IOException e1) {
// e1.printStackTrace();
// }
e.printStackTrace();
}
}
}