#!/usr/bin/env python
#coding:UTF-8
'''''''
 Author: jefferchen@163.com
 可在命令行直接帶目的IP，也可將IP列表在文本文件中。
 pingip.py -d DestIP 
 DestIP示例： a)單個： 192.168.11.1
        b)多個: 192.168.11.1;172.16.8.1;176.13.18.2
        c)網段: 192.168.11.1-127
  文本文件：ip.txt
      目的IP多行存儲
'''''''
import argparse
import os
import platform
import time,datetime

def PingCmd():
  cmdStr = ''
  if platform.system()=='Linux':
    cmdStr = 'ping -c 1 %s > /dev/null'
  else:
    cmdStr = 'ping -n 1 %s > nul'
  return cmdStr

def IPV4SegList(aList):
  IPSeg = aList[0].split('.')
  IP4Begin = int(IPSeg[3])
  IP4End  = int(aList[1])
  segList = []
  if IP4End<=IP4Begin:
    IP4End += IP4Begin
  else:
    IP4End +=1
  for ip in range(IP4Begin,IP4End):
    aIP = IPSeg[0]+'.'+IPSeg[1]+'.'+IPSeg[2]+'.'+str(ip)
    segList += [aIP]
  return segList

def ParseSeg(aSeg):
  segList = []
  aList = aSeg.split('-')
  if len(aList)==2:
    segList = IPV4SegList(aList)
  else:
    segList = aList
  return segList

def AddLineIP(IPList,aLine):
  LineList = aLine.split(';')
  for aSeg in LineList:
    segList = ParseSeg(aSeg)
    IPList += segList
  return IPList

def GetIPListFromFile(filename):
  IPList = []
  f = open(filename)
  lines = f.readlines()
  for line in lines:
    line = line.strip()
    line = line.replace('\n','')
    IPList = AddLineIP(IPList,line)
  return IPList

def NotifyAdmin(failureIP):
  print('Network error at ',failureIP)

def ReportSummary(success,failure):
  print('----DONE! Total: %s nodes. %s ---'%(success+failure,timeFmt()))

def PingList(aList):
  sucess,failure = 0,0
  failureIP = []
  print('Trying...')
  for ip in aList:
    cmdStr = PingCmd()%ip.replace('\n','')
    res = os.system(cmdStr)
    if res < 1 :
      sucess += 1
    else:
      failure += 1
      failureIP += [ip]
    time.sleep(1)
  if failure :
     NotifyAdmin(failureIP)
  else:
    ReportSummary(sucess,failure);


def timeFmt():
  return time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))

def writeLog(content):
  print('[%s] %s' % (timeFmt(), content))
  file_object = open('ping.' + time.strftime('%Y-%m-%d', time.localtime(time.time())) + '.log', 'a')
  file_object.write('[%s] %s\n' % (timeFmt(), content));
  file_object.close()

if __name__ == '__main__':
  parse = argparse.ArgumentParser(description='Batch ping utility.')
  parse.add_argument('-f','--filename',default='ip.txt',help='IP file name(Default IP.txt)')
  parse.add_argument('-d','--destip',type=str,default='',help='destination IPs ');
  args = parse.parse_args()
  if args.destip!='':
    IPList = AddLineIP([],args.destip)
  else:
    if args.filename!='':
      IPFile = args.filename
    else:
      IPFile = 'ip.txt'
    IPList = GetIPListFromFile(IPFile)
  PingList(IPList)