网页静态服务器-3-使用类

#coding=utf-8import socketimport sysfrom multiprocessing import Processimport reclass 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 serverdef main():    httpd = makeServer(serverAddr)    print('web Server: Serving HTTP on port %d ...\n'%PORT)    httpd.serveForever()if __name__ == '__main__':    main()