python tcp server

python tcp server

基本思路：
1、指定IP、端口号；
2、绑定；
3、开启监听；
4、接受连接创建socket；
5、收发数据

参考来源 python tcp server 连接多个客户端

# coding=utf-8
# !/usr/bin/env python

import socket
import time
import threading

ServerIP = "21.23.34.45"
BroadcastIP = "0.0.0.0"
ServerPort = 6543
BUFSIZ = 1024
ADDR = (BroadcastIP , ServerPort)
strPrint = ''

tcpServer = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcpServer.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcpServer.bind(ADDR)
tcpServer.listen(2)
clientSocketList = []  # 放每个客户端的socket

def Writer(strText):
    with open('log.log', 'a+', encoding='utf-8') as f:
        f.write(strText)
        iTextLength = len(strText)
        if iTextLength > 120:
            f.write('\n')            


def Recv():
    while True:
        for clinet in clientSocketList:
            try:
                dataRecv = clinet[0].recv(BUFSIZ)  # 到这里程序继续向下执行
            except Exception as e:
                continue
            if not dataRecv:
                clientSocketList.remove(clinet)
                strTime = time.strftime('\n%Y-%m-%d %H:%M:%S-')
                strPrint = "{}:disconnect".format(clinet[1])
                strPrint = strTime + strPrint
                print(strPrint)
                Writer(strPrint)
                print(strPrint)
                Writer(strPrint)
                continue
            else:
                strTime = time.strftime('\n%Y-%m-%d %H:%M:%S-')
                strRecv = "from {} recv len={}, data={}".format(clinet[1], len(dataRecv), dataRecv)
                strPrint = strTime + strRecv
                print(strPrint)
                Writer(strPrint)


def CheckClient():
    print("{}:{}".format(ServerIP, ServerPort))
    strPrint = 'waiting for connecting...'
    strTime = time.strftime('\n%Y-%m-%d %H:%M:%S-')
    strPrint = strTime + strPrint
    print(strPrint)
    Writer(strPrint)
    while True:
        clientSock, addr = tcpServer.accept()
        strTime = time.strftime('\n%Y-%m-%d %H:%M:%S-')
        strPrint = 'connected from: {}'.format(addr)
        strPrint = strTime + strPrint
        print(strPrint)
        Writer(strPrint)
        clientSock.setblocking(0)
        clientSocketList.append([clientSock, addr])


def Send():
    while True:
        try:
            strPrint = "\n{}:{}".format(ServerIP, ServerPort)
            print(strPrint)
            user_input = input('>>>')
            # print("from server send len={}, data={}".format(len(user_input), user_input))

            for clintTemp in clientSocketList:
                if user_input == '1':
                    clintTemp[0].send(b'\x66\x66\x66')

                elif user_input == '2':
                    clintTemp[0].send(b'\x66\x66\x66')

                elif user_input == '3':
                    clintTemp[0].send(b'\x66\x66\x66')

                elif user_input == '4':
                    clintTemp[0].send(b'\x66\x66\x66')
                elif user_input == '5':
                    clintTemp[0].send(b'\x66\x66\x66')
                elif user_input == '6':
                    clintTemp[0].send(b'\x66\x66\x66')
            # conn.send(input_bytes)                        # 循环发送消息
            # conn.close()
        except Exception as e:
            print(e)


if __name__ == '__main__':
    threadRecv = threading.Thread(target=Recv)  # 子线程
    threadRecv.start()
    threadCheckClient = threading.Thread(target=CheckClient)  # 子线程
    threadCheckClient.start()
    threadSend = threading.Thread(target=Send)  # 子线程
    threadSend.start()