python3 学习笔记 tcp/socket通信 封装通信模块

 tcp/socket通信 封装

发送功能,接收功能独立分开

定义server类和client类,可以直接继承使用

后续可以将串口初始化信息,放入配置文件

# 服务器端代码++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


from socket import *
import os
from time import ctime
import threading
from cmd import Cmd

class Tcpsersocket(Cmd):
    def __init__(self):
        self.start_time = ctime()
        print('starting ' ,self.start_time)

    def conf(self):
        print(os.path)
        self.host = '127.0.0.1'
        self.port = 21567
        self.bufsize = 1024
        self.addr = (self.host, self.port)

        #声明一个socket对象 tcpsersocket
        tcpsersock = socket(AF_INET, SOCK_STREAM)
        tcpsersock.bind(self.addr)
        tcpsersock.listen(5)
        quit = False
        shutdown = False
        print('waiting for connection...')

        self.clientsocket, addr = tcpsersock.accept()
        print('client connected from: ', addr)

    def send(self):
        # self.ss = ss
        while 1:
            self.ss = input("input>>")
            self.clientsocket.send(self.ss.encode('utf-8'))

    def rec(self):
        while 1:
            data = self.clientsocket.recv(self.bufsize)
            data = data.decode('utf-8')
            print('\n',ctime(), '\n', "rec from client: ", data,'\n','press enter to continue')

def main():
    x = Tcpsersocket()
    x.conf()
    t1 = threading.Thread(target=x.send, name="send")
    t2 = threading.Thread(target=x.rec, name="rec")
    t1.start()
    t2.start()
if __name__ =='__main__':
    main()
from socket import *
import threading
from cmd import Cmd
class myclientsocket(Cmd):
    def __init__(self,host,port,BUFFSIZE):
        Cmd.__init__(self)
        self.host = host
        self.port = port
        self.buffsize = BUFFSIZE
        self.addr = (self.host, self.port)

    def conn(self):
        self.clientsocket = socket(AF_INET, SOCK_STREAM)
        # 实例名能否和类名 一样呢
        self.clientsocket.connect(self.addr)
    def rec(self):
        while 1:
            rdata = self.clientsocket.recv(self.buffsize)
            print("rec from ser: ", rdata.decode('utf8'),'\n','press enter to continue')

    def send(self):
        while 1:
            data = input('send>')

            self.clientsocket.send(data.encode('utf8'))
def main():
    y = myclientsocket('127.0.0.1', 21567, 1024)
    y.conn()
    t1 = threading.Thread(target=y.send, name="send")
    t2 = threading.Thread(target=y.rec, name="rec")
    t1.start()
    t2.start()

if __name__ =='__main__':
    main()

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