Web静态服务器-3-使用类
#coding=utf-8
import socket
import sys
from multiprocessing import Process
import re
class WSGIServer(object):
addressFamily = socket.AF_INET
socketType = socket.SOCK_STREAM
requestQueueSize = 5
def __init__(self, server_address):
#创建一个tcp套接字
self.listenSocket = socket.socket(self.addressFamily,self.socketType)
#允许重复使用上次的套接字绑定的port
self.listenSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
#绑定
self.listenSocket.bind(server_address)
#变为被动，并制定队列的长度
self.listenSocket.listen(self.requestQueueSize)
def serveForever(self):
'循环运行web服务器，等待客户端的链接并为客户端服务'
while True:
#等待新客户端到来
self.clientSocket, client_address = self.listenSocket.accept()
#方法2，多进程服务器，并发服务器于多个客户端
newClientProcess = Process(target = self.handleRequest)
newClientProcess.start()
#因为创建的新进程中，会对这个套接字+1，所以需要在主进程中减去依次，即调用一次close
self.clientSocket.close()
def handleRequest(self):
'用一个新的进程，为一个客户端进行服务'
recvData = self.clientSocket.recv(2014)
requestHeaderLines = recvData.splitlines()
for line in requestHeaderLines:
print(line)
httpRequestMethodLine = requestHeaderLines[0]
getFileName = re.match("[^/]+(/[^ ]*)", httpRequestMethodLine).group(1)
print("file name is ===>%s"%getFileName) #for test
if getFileName == '/':
getFileName = documentRoot + "/index.html"
else:
getFileName = documentRoot + getFileName
print("file name is ===2>%s"%getFileName) #for test
try:
f = open(getFileName)
except IOError:
responseHeaderLines = "HTTP/1.1 404 not found\r\n"
responseHeaderLines += "\r\n"
responseBody = "====sorry ,file not found===="
else:
responseHeaderLines = "HTTP/1.1 200 OK\r\n"
responseHeaderLines += "\r\n"
responseBody = f.read()
f.close()
finally:
response = responseHeaderLines + responseBody
self.clientSocket.send(response)
self.clientSocket.close()
#设定服务器的端口
serverAddr = (HOST, PORT) = '', 8888
#设置服务器服务静态资源时的路径
documentRoot = './html'
def makeServer(serverAddr):
server = WSGIServer(serverAddr)
return server
def main():
httpd = makeServer(serverAddr)
print('web Server: Serving HTTP on port %d ...\n'%PORT)
httpd.serveForever()
if __name__ == '__main__':
main()
