python 广播屏幕 类似腾讯会议 杭电python网络编程

服务端

import socket
import threading
import time
import sys
import zlib
import numpy as np
from PIL import ImageGrab


server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
connects = []
server.bind(('', 9090))
def send(message,address,server):
    length = sys.getsizeof(message)
    time.sleep(.01)
    server.sendto(b"start", address)
    print(length)
    for i in range(0,int(length/(60*1024))):
        # time.sleep(.02)
        server.sendto(message[i*60*1024:(i+1)*60*1024], address)
        time.sleep(.02)
    server.sendto(message[len(message)-(len(message)%(60*1024)):], address)
    server.sendto(b"end", address)
    time.sleep(.01)
def ScreenShare():
    while True:
        screen = np.array(ImageGrab.grab(bbox=(0, 0, 1920, 1080)))
        message = screen.tobytes()
        message = zlib.compress(message)
        for _ in connects:
            try:
                send(message, _, server)
            except:
                connects.remove(_)
        # send(message, addr, server)
thread = threading.Thread(target=ScreenShare, args=())
thread.start()

while True:
    print(connects)
    back_msg, addr = server.recvfrom(1024)
    if addr not in connects:
        connects.append(addr)
    print(back_msg.decode("utf-8"), addr, len(connects))

客户端

import random
import socket
import sys
import threading
import zlib
import cv2
import numpy as np
from numpy import uint8

message_pool = []
client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
client.sendto("我是设备1号".encode('utf-8'), ('', 9090))
# cv2.namedWindow("window", 0)
message = b""
key = False
def cyberpunk():
    r = random.randint(0,100)
    if r>96:
        return (1920,1080,3)
    elif r>86:
        return (1080,3,1920)
    elif r>76:
        return (1920,1080,3)
    elif r>70:
        return (1920,3240,1)
    else:
        return (1080,1920,3)
def ScreenShow():
    cv2.namedWindow("window", 0)
    while True:
        if len(message_pool)!=0:
            try:
                # cv2.namedWindow("window", 0)
                print(sys.getsizeof(message_pool[0]))
                message = zlib.decompress(message_pool[0])
                y = np.frombuffer(message, dtype=uint8)
                y.shape = (1080, 1920, 3)
                # y.shape = (1920,1080,3)
                # y.shape = cyberpunk()
                imm = cv2.cvtColor(y, cv2.COLOR_RGB2BGR)
                cv2.resizeWindow("window", 3 * 192, 3 * 108)
                cv2.imshow('window', imm)
                cv2.waitKey(1)
                message_pool.pop(0)
            except:
                print("bug")

thread = threading.Thread(target=ScreenShow, args=())
thread.start()

while True:
    screen, address = client.recvfrom(65535)
    if(screen.startswith(b"end")):
        print("end")
        message_pool.append(message)
        key = False
    elif(screen.startswith(b"start")):
        print("start")
        message = b""
        key=True
    elif key:
        message += screen

先跑客户端再跑服务端，客户端的端口是随机选用可用端口，不用分别改