代码流程
main函数设计:
-
创建套接字
-
将套接字设置成四次挥手不出bug
-
绑定套接字
-
把套接字变为监听套接字
-
循环等待客户端链接
-
接受套接字accept
-
new_socket, client_addr = tcp_server_socket.accept()
-
打开进程
-
关闭新套接字
-
关闭监听套接字
service_client函数
- 新套接字recv
- 分割字符串
- 字符串匹配
- 打开html文件
- 新套接字关闭
代码
import socket
import re
import multiprocessing
def service_client(new_socket):
"""为这个客户端返回数据"""
# 1. 接收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
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
# print("*"*50, file_name)
if file_name == "/":
file_name = "/index.html"
# 2. 返回http格式的数据,给浏览器
try:
f = open("./html" + 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---boy
# response += "hahahhah"
# 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
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(("172.16.70.64", 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()
# 开一个进程
p = multiprocessing.Process(target=service_client, args=(new_socket,))
p.start()
new_socket.close()
# # 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()
面向对象改造
import socket
import re
import multiprocessing
class WSGIserver(object):
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(("172.16.70.64", 7890))
# 3. 变为监听套接字
self.tcp_server_socket.listen(128)
def service_client(self,new_socket):
"""为这个客户端返回数据"""
# 1. 接收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
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
# print("*"*50, file_name)
if file_name == "/":
file_name = "/index.html"
# 2. 返回http格式的数据,给浏览器
try:
f = open("./html" + 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---boy
# response += "hahahhah"
# 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
new_socket.close()
def runforever(self):
"""用来完成整体的控制"""
while True:
# 4. 等待新客户端的链接
new_socket, client_addr = self.tcp_server_socket.accept()
# 开一个进程
p = multiprocessing.Process(target=self.service_client, args=(new_socket,))
p.start()
new_socket.close()
# # 5. 为这个客户端服务
# service_client(new_socket)
# 关闭监听套接字
tcp_server_socket.close()
def main():
"""
控制整体,创建一个web服务器对象,然后调用这个对象的run方法
:return:None
"""
wsgi_server=WSGIserver()
wsgi_server.runforever()
if __name__=="__main__":
main()
运行结果
前端界面是下载的网络资源
上传git
- echo“#mini_web”>> README.md 创建readme
- git init #初始化仓库
- git add README.md #提交到暂存库
- git commit -m “first commit” #提交到存储库
×author:[email protected] 欢迎交流
×github:https://github.com/zhangyuespec/mini_web