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python实现简单http服务器功能

程序员文章站 2022-05-04 13:25:44
背景 写一个python脚本,实现简单的http服务器功能: 1.浏览器中输入网站地址:172.20.52.163:20014 2.server接到浏览器的请求后,读...

背景

写一个python脚本,实现简单的http服务器功能:

1.浏览器中输入网站地址:172.20.52.163:20014

2.server接到浏览器的请求后,读取本地的index.html文件的内容,回发给浏览器

代码实现

server.py

#!/usr/bin/python
import socket
import signal
import errno
from time import sleep 
 
 
def httpresponse(header,whtml):
 f = file(whtml)
 contxtlist = f.readlines()
 context = ''.join(contxtlist)
 response = "%s %d\n\n%s\n\n" % (header,len(context),context)
 return response
 
def siginthander(signo,frame):
 print 'get signo# ',signo
 global runflag
 runflag = false
 global lisfd
 lisfd.shutdown(socket.shut_rd)
 
strhost = "172.20.52.163"
host = strhost #socket.inet_pton(socket.af_inet,strhost)
port = 20014
 
httpheader = '''\
http/1.1 200 ok
context-type: text/html
server: python-slp version 1.0
context-length: '''
 
lisfd = socket.socket(socket.af_inet,socket.sock_stream)
lisfd.bind((host, port))
lisfd.listen(2)
 
signal.signal(signal.sigint,siginthander)
 
runflag = true
while runflag:
 try:
  confd,addr = lisfd.accept()
 except socket.error as e:
  if e.errno == errno.eintr:
   print 'get a except eintr'
  else:
   raise
  continue
 
 if runflag == false:
  break;
 
 print "connect by ",addr
 data = confd.recv(1024)
 if not data:
  break
 print data
 confd.send(httpresponse(httpheader,'index.html'))
 confd.close()
else:
 print 'runflag#',runflag
 
print 'done'

index.html

<html>
 <head>
 <title>python server</title>
 </head>
 <body>
 <h1>hello python</h1>
 <p>welcom to the python world</br>
 </body>
</html>

测试

测试结果:

root@cloud2:~/slp/pythonlearning/socket# ./server_v1.py
connect by  ('172.20.52.110', 6096)
get / http/1.1
host: 172.20.52.163:20014
connection: keep-alive
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
user-agent: mozilla/5.0 (windows nt 5.1) applewebkit/537.36 (khtml, like gecko) chrome/33.0.1750.154 safari/537.36
accept-encoding: gzip,deflate,sdch
accept-language: zh-cn,zh;q=0.8,en;q=0.6

浏览器

python实现简单http服务器功能

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