class GlobalVar:
  proxy_interface = "ens8"
  nos1_interface = "ens8f5"
  nos2_interface = "ens8f5"
  nos3_interface = "ens8f5"
  nos4_interface = "ens8f5"
  master_nos_interface = "ens8f5"
  master_nos_vlan = "200"
  nos_ip = "192.168.11.1"

#def set_db_handle(db):
#  GlobalVar.db_handle = db
def get_proxy_interface():
  return GlobalVar.proxy_interface

def get_nos1_interface():
  return GlobalVar.nos1_interface

def get_nos2_interface():
  return GlobalVar.nos2_interface

def get_nos3_interface():
  return GlobalVar.nos3_interface

def get_nos4_interface():
  return GlobalVar.nos4_interface

def get_master_nos_interface():
    fileHandle = open ('nos.conf','r')
    nos = fileHandle.read (1)
    fileHandle.close()
    if nos == "1":
        GlobalVar.master_nos_interface = GlobalVar.nos1_interface
    elif nos == "2":
        GlobalVar.master_nos_interface = GlobalVar.nos2_interface
    elif nos == "3":
        GlobalVar.master_nos_interface = GlobalVar.nos3_interface
    elif nos == "4":
        GlobalVar.master_nos_interface = GlobalVar.nos4_interface
    else:
        GlobalVar.master_nos_interface = GlobalVar.nos1_interface
    return GlobalVar.master_nos_interface

def get_master_nos_vlan():
    fileHandle = open ('nos_vlan.conf','r')
    nosvlan = fileHandle.read (3)
    fileHandle.close()
    GlobalVar.master_nos_vlan = nosvlan
    return GlobalVar.master_nos_vlan

def get_nos_ip():
  return GlobalVar.nos_ip