def update_indoor():
global indoor_all_state
number = node_num
get_db_indoor(indoor)
indoor_all_state = '''{''' + indoor.build_json_array()
for i in range(number - 1):
temp = Indoor(str(i + 2))
indoor_all_state += ','
get_db_indoor(temp)
indoor_all_state += temp.build_json_array()
indoor_all_state += '''}'''
print 'indoor update', get_current_time()
