# _*_ coding:utf-8 _*_
# 作者：    Tony Ptolemy
# 文件名：  experiment3_server
# 创建时间：2020/5/16
# 描述：

import socket
from mydes import des_descrypt, des_encrypt


if __name__ == '__main__':
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.bind(('127.0.0.1', 8001))
    print('服务器已创建，正在监听中...')
    s.listen()
    conn, address = s.accept()
    while True:
        data = conn.recv(1024)
        data = des_descrypt(data)
        # print(data, type(data))
        if data == b'close_':
            break
        else:
            with open('received', 'wb') as f:
                f.write(data)
            str_ = '服务器已接收：'+str(data)
            str_ = des_encrypt(str_.encode())
            conn.sendall(str_)
            print('接收数据：', data.decode(), '\n已写入received.txt文件中')
    s.close()
    print('服务器关闭')