from multiprocessing import Process

from socket import *

import re

# 常量的所有字母设置为大写，用以区分。

# HTML_ROOT_DIR 为静态文件根目录

HTML_ROOT_DIR = "./html"

def handle_client(client_socket):

"""

处理客户端请求

:param client_socket:

:return:

"""

# 获取客户端请求数据

request_data = client_socket.recv(1024)

print("request_data " + str(request_data))

# 解析用户的请求头，判断是否需要对应的资源

request_line = request_data.splitlines()

for line in request_line:

print(line)

# 提取用户请求的文件名

request_start_line = request_line[0]

file_name = re.match(r"\w+ +(/[^ ]*) ", request_start_line.decode("utf=8")).group(1)

# if "/" == file_name:

if file_name == '/':

file_name = "/index.html"

try:

file = open(HTML_ROOT_DIR + file_name, "rb")

except IOError:

response_start_line = "HTTP/1.1 404 NOT Found\r\n"

response_headers = "Server:My server\r\n"

response_body = "This file is not found!"

else:

file_data = file.read()

file.close()

response_start_line = "HTTP/1.1 200 OK\r\n"

response_headers = "Server:My server\r\n"

response_body = file_data.decode("utf-8")

# 构造对客户端的响应数据

# response_start_line = "HTTP/1.1 200 OK\r\n"

# response_headers = "Server:My server\r\n"

# response_body = "hello pythonWeb"

response = response_start_line + response_headers + "\r\n" + response_body

print("response data "+str(response))

# 将数据返回给客户端

client_socket.send(bytes(response, "utf-8"))

client_socket.close()

def main():

ser_socket = socket(AF_INET, SOCK_STREAM)

ser_socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)

ser_port = ('', 7799)

ser_socket.bind(ser_port)

ser_socket.listen(100)

while True:

client_socket, client_socket_address = ser_socket.accept()

print("[%s, %s]client connection" % client_socket_address)

handle_process = Process(target=handle_client, args=(client_socket,))

handle_process.start()

client_socket.close()

if __name__ == '__main__':

main()