Python编解码16进制码流的示例代码

import socket
import struct

# 创建UDP套接字
server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_address = ('localhost', 9999)

# 绑定地址和端口
server_socket.bind(server_address)

while True:
    print('Waiting for data...')
    data, client_address = server_socket.recvfrom(1024)
    
    # 打印接收到的原始数据的16进制码流
    print(f'Received raw data: {data.hex()}')
    
    # 解析收到的数据
    name, age = struct.unpack('BB', data)  # 'BB'表示两个unsigned char
    
    # 修改数据
    name = (name + 1) % 256
    age = (age + 1) % 256
    
    # 重新打包数据
    modified_data = struct.pack('BB', name, age)
    
    # 打印修改后的数据的16进制码流
    print(f'Modified data: {modified_data.hex()}')
    
    # 发送修改后的数据回客户端
    server_socket.sendto(modified_data, client_address)

import socket
import struct

# 创建UDP套接字
client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_address = ('localhost', 9999)

# 构建数据结构并打包
name = 100
age = 25
data = struct.pack('BB', name, age)

# 打印发送的数据的16进制码流
print(f'Sending data: {data.hex()}')

# 发送数据
client_socket.sendto(data, server_address)

# 接收服务端响应
modified_data, server_address = client_socket.recvfrom(1024)

# 打印服务端响应的数据的16进制码流
print(f'Received modified data: {modified_data.hex()}')

# 解析服务端响应的数据
modified_name, modified_age = struct.unpack('BB', modified_data)

print(f'Modified Name: {modified_name}')
print(f'Modified Age: {modified_age}')

# 关闭套接字
client_socket.close()

import socket
import struct
from apscheduler.schedulers.background import BackgroundScheduler

def send_data():
    # 构建数据结构并打包
    name = 100
    age = 25
    data = struct.pack('BB', name, age)
    
    # 打印发送的数据的16进制码流
    print(f'Sending data: {data.hex()}')
    
    # 发送数据
    client_socket.sendto(data, server_address)

# 创建UDP套接字
client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_address = ('localhost', 9999)

# 创建后台调度器
scheduler = BackgroundScheduler()
scheduler.start()

# 添加定时发送数据的任务，每10秒执行一次
scheduler.add_job(send_data, 'interval', seconds=10)

try:
    # 阻塞主线程，等待任务执行
    while True:
        pass
except KeyboardInterrupt:
    # 捕获Ctrl+C信号，停止调度器并关闭套接字
    scheduler.shutdown()
    client_socket.close()