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python实现http服务器功能详解

发布：2019-06-10 14:04:55 106

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python实现简单http服务器功能

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