04-Http.py

import socket
import re


def service_client(new_socket):
    """为这个客户端返回数据"""
    # 1.接受浏览器发送过来的请求，即http请求
    # GET / HTTP/1.1
    # ...
    request = new_socket.recv(1024).decode('utf-8')
    # print('>>>'*50)
    # print(request)

    request_lines = request.splitlines()
    print('')
    print('>'*20)
    print(request_lines)

    # GET /index.html HTTP/1.1
    # get post put del
    ret  = re.match(r'[^/]+(/[^ ]*)', request_lines[0])
    if ret:
        file_name = ret.group(1)
        print('*'*50,file_name)


    # 2.返回http格式的数据给浏览器
    # 2.1 准备发送给浏览器的数据----header
    response = 'HTTP/1.1 200 OK\r\n'
    response += '\r\n'
    # 2.2 准备发送给浏览器的数据----body
    # response += '<h1>hahahahaha</h1>'

    f = open('./html/index.html', 'rb')
    html_content = f.read()
    f.close()

    # 将response header 发送给浏览器
    new_socket.send(response.encode('utf-8'))
    # 将response body 发送给浏览器
    new_socket.send(html_content)

    # 关闭套接字
    new_socket.close()


def main():
    """用来完成整体的控制"""
    # 1.创建套接字
    tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

    # 2.绑定
    tcp_server_socket.bind(('', 7890))

    # 3.变为监听套接字
    tcp_server_socket.listen(128)

    while True:

        # 4.等待新客户端的链接
        new_socket, client_addr = tcp_server_socket.accept()

        # 5.为这个客户端服务
        service_client(new_socket)
    
    # 关闭监听套接字
    tcp_server_socket.close()

if __name__ == '__main__':
    main()