#!/usr/bin/env python
# _*_ coding: utf-8 _*_
import os
import sys

try:
	import pycurl
except Exception,e:
	print "first install pycurl module with  'yum install python-pycurl' or 'pip install pycurl'"
	sys.exit()

if  len(sys.argv) == 1:
    print "\n note usage: (./webtest.py  http://www.domainname.com...)\n"
    sys.exit()

URL=sys.argv[1]
#URL='www.zhusl.com'

c=pycurl.Curl()
c.setopt(pycurl.URL, URL)
c.setopt(pycurl.CONNECTTIMEOUT, 5)
c.setopt(pycurl.TIMEOUT, 5)
c.setopt(pycurl.NOPROGRESS, 1)
c.setopt(pycurl.FORBID_REUSE, 1)
c.setopt(pycurl.MAXREDIRS, 3)
c.setopt(pycurl.DNS_CACHE_TIMEOUT, 30)

files=os.path.dirname(os.path.realpath(__file__))+'/content.txt'
#print files
indexfile=open(files, 'wb')

c.setopt(pycurl.WRITEHEADER, indexfile)
c.setopt(pycurl.WRITEDATA, indexfile)

try:
	c.perform()
except Exception,e:
	print "connection 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)
HTTP_CODE = c.getinfo(c.HTTP_CODE)
TOTAL_TIME = c.getinfo(c.TOTAL_TIME)
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 bytes/s" % (HEADER_SIZE)
print "平均下载速度：%d bytes/s" % (SPEED_DOWNLOAD)

indexfile.close()
c.close()