【Python】检测Web服务质量

来源：互联网发布：算法第四版 kindle 编辑：程序博客网时间：2024/06/13 21:31

标准：

服务的可用性：获取页面的状态，如200, 404等
服务的响应速度：如DNS解析时间，建立连接时间，获取传输总时间等

过程：

安装pycurl模块：https://github.com/buaabyl/pycurl-win32/releases
注意：用2.7.5自带的IDE编译会出现，内置模块不存在__file_name__的错误，在CMD执行正常

# -*- coding: utf-8 -*-import os,sysimport timeimport sysimport pycurlURL="http://www.baidu.com"c = pycurl.Curl()c.setopt(pycurl.URL, URL)                #连接超时时间,5秒c.setopt(pycurl.CONNECTTIMEOUT, 5)#下载超时时间,5秒c.setopt(pycurl.TIMEOUT, 5)c.setopt(pycurl.FORBID_REUSE, 1)c.setopt(pycurl.MAXREDIRS, 1)c.setopt(pycurl.NOPROGRESS, 1)c.setopt(pycurl.DNS_CACHE_TIMEOUT,30)indexfile = open(os.path.dirname(os.path.realpath(__file__))+"/content.txt", "wb")c.setopt(pycurl.WRITEHEADER, indexfile)c.setopt(pycurl.WRITEDATA, indexfile)try:    c.perform()except Exception,e:    print "connecion error:"+str(e)    indexfile.close()    c.close()    sys.exit()NAMELOOKUP_TIME =  c.getinfo(c.NAMELOOKUP_TIME)CONNECT_TIME =  c.getinfo(c.CONNECT_TIME)PRETRANSFER_TIME =   c.getinfo(c.PRETRANSFER_TIME)STARTTRANSFER_TIME = c.getinfo(c.STARTTRANSFER_TIME)TOTAL_TIME = c.getinfo(c.TOTAL_TIME)HTTP_CODE =  c.getinfo(c.HTTP_CODE)SIZE_DOWNLOAD =  c.getinfo(c.SIZE_DOWNLOAD)HEADER_SIZE = c.getinfo(c.HEADER_SIZE)SPEED_DOWNLOAD=c.getinfo(c.SPEED_DOWNLOAD)print "HTTP状态码：%s" %(HTTP_CODE)print "DNS解析时间：%.2f ms"%(NAMELOOKUP_TIME*1000)print "建立连接时间：%.2f ms" %(CONNECT_TIME*1000)print "准备传输时间：%.2f ms" %(PRETRANSFER_TIME*1000)print "传输开始时间：%.2f ms" %(STARTTRANSFER_TIME*1000)print "传输结束总时间：%.2f ms" %(TOTAL_TIME*1000)print "下载数据包大小：%d bytes/s" %(SIZE_DOWNLOAD)print "HTTP头部大小：%d byte" %(HEADER_SIZE)print "平均下载速度：%d bytes/s" %(SPEED_DOWNLOAD)indexfile.close()c.close()

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