远程桌面监控系统

import tkinter
import socket
import time
import threading
import struct
from PIL import Image, ImageTk
def updateCanvas(canvas):
global imageId
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(('', 10600))
sock.listen(1)
while running.get() == 1:
#自适应当前监控窗口大小
width = canvas.winfo_width()
height = canvas.winfo_height()
conn, addr = sock.accept()
tempImageBytes = b''
#图像字节数量
len_head = struct.calcsize('I128sI')
data = conn.recv(len_head)
length, size ,sizeLength= struct.unpack('I128sI',data)
length = int(length)
rest = length
bufferSize = 1024*10
size = eval(size[:int(sizeLength)])
while running.get() == 1:
if rest > bufferSize:
data = conn.recv(1024*10)
else:
data = conn.recv(rest)
tempImageBytes += data
rest = rest - len(data)

#远程桌面截图接收完成，显示图像
if rest == 0:
tempImage = Image.frombytes('RGB', size, tempImageBytes)
tempImage = tempImage.resize((width,height))
#tempImage.save('temp.png')
tempImage = ImageTk.PhotoImage(tempImage)
#清除上一个截图
try:
canvas.delete(imageId)
except:
pass
imageId = canvas.create_image(width//2, height//2, image=tempImage)
#canvas.update()
#通知客户端可以发送下一个截图
conn.send(b'ok')
print('ok')
break

conn.close()

root = tkinter.Tk()
#主程序窗口位置和大小
root.geometry('1920x1080+0+0')
width = 1920
height = 1080
root.title('远程桌面监考系统v1.0---cakin24')
#用来表示监控软件是否运行的变量
running = tkinter.IntVar(root, 1)
#关闭监控窗口时触发的消息处理代码
def closeWindow():
running.set(0)
root.destroy()
root.protocol('WM_DELETE_WINDOW', closeWindow)
canvas = tkinter.Canvas(root, width=width, height=height)
canvas.pack(fill=tkinter.BOTH, expand=tkinter.YES)
#使用子线程刷新监控窗口
t = threading.Thread(target=updateCanvas, args=(canvas,))
#主线程关闭时强制关闭刷新窗口的子线程
t.daemon = True
t.start()
root.mainloop()

import socket
import struct
from time import sleep
from PIL import ImageGrab
while True:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
#假设监控端主机IP地址为192.168.0.103，并监听10600端口
sock.connect(('192.168.0.105', 10600))
#本地全屏幕截图
im = ImageGrab.grab()
size = im.size
#发本地截图转换为字节串进行发送
imageBytes = im.tobytes()
#发送字节串总长度和图像大小
fhead=struct.pack('I128sI',len(imageBytes),str(size).encode(),len(str(size).encode()))
sock.send(fhead)
rest = len(imageBytes)
bufferSize = 1024*10
while True:
if rest > bufferSize:
temp = imageBytes[:bufferSize]
imageBytes = imageBytes[bufferSize:]
else:
temp = imageBytes[:]
sock.send(temp)
rest = rest - len(temp)
#本次截图发送完成
if rest == 0:
if sock.recv(100) == b'ok':
print('ok')
break
sock.close()
except:
print('无法连接监控端')