# this method is used for monitoring
import time
import subprocess
import locale
import codecs
mylist = []
ps = subprocess.Popen('netstat -a', stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
while True:
  data = ps.stdout.readline()
  if data == b'':
    if ps.poll() is not None:
      break
  else:
    mylist.append(data.decode(codecs.lookup(locale.getpreferredencoding()).name))
    newlist = []
    for i in mylist:
      if i.find('192.168') > 0:
        newlist.append(i)
    newlist.sort()
    print('Sum of requests from LAN:', len(newlist)) 

# this method is used for monitoring
import time
import subprocess
import locale
import codecs
def getstdout(p):
  mylist = []
  while True:
    data = p.stdout.readline()
    if data == b'':
      if p.poll() is not None:
        break
    else:
      mylist.append(data.decode(codecs.lookup(locale.getpreferredencoding()).name))
  return mylist
while True:
  ps = subprocess.Popen('netstat -an | findstr "8080"', stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
  resultlist = getstdout(ps)
  if len(resultlist) >= 1:
    pass
  else:
    print(time.strftime("%Y-%m-%d %H:%M:%S"))
    subprocess.Popen('taskkill.exe /f /im node.exe', shell=False)　　　　 # 防止动作过快，把新建的程序整死了
    time.sleep(3)
    subprocess.Popen('start node D:\\app.js', shell=True)
  time.sleep(10) 

# this method is used for monitoring
import time
import subprocess
import locale
import codecs
def getstdout(p):
  mylist = []
  while True:
    data = p.stdout.readline()
    if data == b'':
      if p.poll() is not None:
        break
    else:
      mylist.append(data.decode(codecs.lookup(locale.getpreferredencoding()).name))
  return mylist
while True:
  ps = subprocess.Popen('netstat -an | findstr "8080"', stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
  resultlist = getstdout(ps)
  if len(resultlist) >= 1:
    pass
  else:
    print(time.strftime("%Y-%m-%d %H:%M:%S"))
    subprocess.Popen('taskkill.exe /f /im node.exe', shell=False)
    time.sleep(3)
    pss = subprocess.Popen('start cmd.exe /k node app.js', stdin=subprocess.PIPE,
                stdout=subprocess.PIPE, shell=True)
    alist = getstdout(pss)
    newlist = []
    for i in alist:
      if i.find('192.168') > 0:
        newlist.append(i)
    newlist.sort()
    print('Sum of requests from LAN:', len(newlist))
  time.sleep(10) 

# this method is used for monitoring
import time
import subprocess
import locale
import codecs
import threading
alist = []
def getstdout(p, asy):
  if asy:
    alist.clear()
  mylist = []
  while True:
    data = p.stdout.readline()
    if data == b'':
      if p.poll() is not None:
        break
    else:
      if asy:
        alist.append(data.decode(codecs.lookup(locale.getpreferredencoding()).name))
      else:
        mylist.append(data.decode(codecs.lookup(locale.getpreferredencoding()).name))
  return mylist
while True:
  ps = subprocess.Popen('netstat -an | findstr ""', stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
  resultlist = getstdout(ps, False)
  if len(resultlist) >= :
    newlist = []
    for i in alist:
      if i.find('.') > :
        newlist.append(i)
    newlist.sort()
    print('Sum of requests from LAN:', len(newlist))
  else:
    print(time.strftime("%Y-%m-%d %H:%M:%S"))
    subprocess.Popen('taskkill.exe /f /im node.exe', shell=False)
    time.sleep()
    pss = subprocess.Popen('start cmd.exe /k node app.js', stdin=subprocess.PIPE,
                stdout=subprocess.PIPE, shell=True)
    th = threading.Thread(target=getstdout, args=[pss, True])
    th.start()
  time.sleep()