python实现简单的http服务器遇到的问题

背景：项目需要测试负载均衡，手动搭建一个http服务器
参考链接：https://blog.csdn.net/ordeder/article/details/22490373
遇到的问题：
1、NameError: name 'file' is not defined
解决方法：我用的是python3.6.4，根据上述链接代码操作，打开文件的方式file()改成open()

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2、OSError: [WinError 10048] 通常每个套接字地址(协议/网络地址/端口)只允许使用一次

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解决方法：打开任务管理器，杀掉“python.exe”的进程，重新编译，在浏览器输入“http://192.168.85.100:49592/”，就可以看到请求了

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3、TypeError: a bytes-like object is required, not 'str'
把string类型的返回值改成bytes类型

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4、TypeError: string argument without an encoding
解决方法：把bytes(responsebytes)改成(response,encoding = "utf8")

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调试成功后的python代码，欢迎使用

#!/usr/bin/python  
import socket  
import signal  
import errno

from time import sleep
  
  
def HttpResponse(header,whtml):  
    f =open(whtml)  
    contxtlist = f.readlines()  
    context = ''.join(contxtlist)  
    response = "%s %d\n\n%s\n\n" % (header,len(context),context)  
    return bytes(response,encoding = "utf8")
  
def sigIntHander(signo,frame):  
    print ('get signo# ',signo)
    global runflag  
    runflag = False  
    global lisfd  
    lisfd.shutdown(socket.SHUT_RD)  
#输入本地IP 
strHost = "192.168.85.100" 
#socket.inet_pton(socket.AF_INET,strHost)  
HOST = strHost
#输入端口号 
PORT = 49592
  
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.send({"code":"404"})
    confd.close()  
else:  
    print ('runflag#',runflag)  
  
print ('Done')

index.html内容：

  
   
       
   
   
    
Hello python
  
    
Welcom to the python world