tcp udp测试

tcp udp测试

sub_udp.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-


# 可以正常接收udp
import socket
import datetime
#创建socket对象
#SOCK_DGRAM  udp模式
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)

s.bind(('', 10000))
while True:
    # data = s.recv(10240)
    data = s.recv(102400)
    print("开始收到下面一条udp" + ' 当前时间： ' + str(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')))
    print(data.decode())





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pub_udp.py


#!/usr/bin/env python
# -*- coding: utf-8 -*-


# 可以正常发送udp
# 可以正常发送udp
#不需要建立连接
import socket
import time
#创建socket对象
#SOCK_DGRAM  udp模式
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
#发送数据 字节
str1 = {"name":"mark", "age":18, "content":"meeting"}
while True:
    s.sendto(str(str1).encode(), ('127.0.0.1', 10000))
    time.sleep(1)


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sub_tcp.py


#!/usr/bin/env python
# -*- coding: utf-8 -*-

# 可以正常跑通

import socket
import time

MaxBytes = 1024 * 1024

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.settimeout(60)
host = '127.0.0.1'
# host = socket.gethostname()
port = 11223
server.bind((host, port))  # 绑定端口

server.listen(1)  # 监听
try:
    client, addr = server.accept()  # 等待客户端连接
    print(addr, " 连接上了")
    while True:
        data = client.recv(MaxBytes)
        if not data:
            print('数据为空，我要退出了')
            break
        localTime = time.asctime(time.localtime(time.time()))
        print(localTime, ' 接收到数据字节数:', len(data))
        print(data.decode())
        client.send(data)
except BaseException as e:
    print("出现异常：")
    print(repr(e))
finally:
    server.close()  # 关闭连接
    print("我已经退出了，后会无期")



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pub_tcp.py


#!/usr/bin/env python
# -*- coding: utf-8 -*-

# 可以正常跑通


import socket
import time
MaxBytes=1024*1024
host ='127.0.0.1'
port = 11223
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
client.settimeout(30)
client.connect((host,port))
while True:
    inputData = "hello world!";     #等待输入数据
    sendBytes = client.send(inputData.encode())
    if sendBytes<=0:
        break;
    recvData = client.recv(MaxBytes)
    if not recvData:
        print('接收数据为空，我要退出了')
        break
    localTime = time.asctime( time.localtime(time.time()))
    print(localTime, ' 接收到数据字节数:',len(recvData))
    print(recvData.decode())
client.close()
print("我已经退出了，后会无期")