import socket
import re
import multiprocessing
class WSGIServer():
def __init__(self):
# 1.创建套接字
self.tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# 2.绑定
self.tcp_server_socket.bind(('', 7890))
# 3.变为监听套接字
self.tcp_server_socket.listen(128)
def server_client(self,new_socket):
'''为这个客户端返回数据'''
# 1、接收浏览器发过来的请求，即Http请求
# GET / HTTP/1.1
request = new_socket.recv(1024).decode('utf-8')
request_lines = request.splitlines()
print('')
print('>>'*20)
print(request_lines)
ret = re.match(r'[^/]+(/[^ ]*)',request_lines[0])
file_name = ''
if ret:
file_name = ret.group(1)
print('*'*50,file_name)
if file_name == '/':
file_name = '/丝芙兰.html'
# 2、返回HTTP格式的数据给浏览器
try:
f = open('../sephore'+ file_name,'rb')
except:
response = 'HTTP/1.1 404 NOT FOUND\r\n'
response += '\r\n'
response += '---FILE NOT FOUND---'
new_socket.send(response.encode('utf-8'))
else:
html_content = f.read()
f.close()
# 2.1 准备发送给浏览器的Header
response = 'HTTP/1.1 200 OK\r\n'
response += '\r\n'
#2.2 准备发给浏览器的Body
new_socket.send(response.encode('utf-8'))
new_socket.send(html_content)
# 关闭客户端套接字
new_socket.close()
def run_forever(self):
while True:
# 4、等待新客户端的链接
new_socket, client_addr = self.tcp_server_socket.accept()
# 5 、为这个客户端服务
p = multiprocessing.Process(target=self.server_client,args=(new_socket,))
p.start()
new_socket.close()
# 6、关闭监听套接字
self.tcp_server_socket.close()
def main():
'''完成整体控制，创建一个web服务器对象，调用run_forever方法运行'''
wsgi_server = WSGIServer()
wsgi_server.run_forever()
if __name__ == '__main__':
main()
