Page MenuHomec4science
Files F91050310

bms_restful_client.py
No OneTemporary
Actions

File Metadata

Created
Thu, Nov 7, 08:19

bms_restful_client.py
View Options

__author__ = 'Olivier Van Cutsem'
from ems_config import *
from bmsinterface.bms_interface_config import *
import bmsinterface.auxiliary.requests.api as requests
from building_data_management.category_management.category_config import *
import sys
def get_bms_info(resource_type, resource_id):
"""Returns the info for the given ID according to the docs in openBMS
@IN:
resource_type: the type of required resource (unit info, room loads, etc)
resource_id: the ID corresponding to the desired resource
return: the JSON format of the request result
"""
geturl = 'http://{0}:{1}/API/{2}/{3}'.format(OPENBMS_IP, OPENBMS_PORT, resource_type, resource_id)
print("Sending BMS request: GET {0}".format(geturl))
r = requests.get(geturl)
# always check the return status code!
if r.status_code == 200: # Otherwise it means openBMS doesnt work
request_result = r.json()
return request_result
elif r.status_code == 404 and r.content: # Server replied but not found the midid
print('Failed to find in openBMS the {0}: {1}'.format(resource_type, resource_id))
sys.exit()
else:
print('Failed to connect to {0}:{1}, is openBMS running?'.format(OPENBMS_IP,OPENBMS_PORT))
sys.exit()
### UNIT INFO ###
def get_rooms_in_unit(unit_id):
"""
Fetch the BMS for the rooms info of a specified unit
:param unit_id: the unit whose rooms info should be known
:return: the rooms info contained in the specified unit
"""
### Make the BMS request
res_type = 'unit_rooms'
res_id = unit_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
ret = dict()
for room in ret_bms:
id = room['pk']
data = room['fields']
ret[id] = {BMS_KEY_ROOM_NAME: data['name'],
BMS_KEY_ROOM_SURFACE: data['surface'],
BMS_KEY_ROOM_VOLUME: data['surface']*3}
return ret
def get_interface_geometry(unit_id):
"""
Fetch the BMS for the room interfaces info of a specified unit
:param unit_id: the unit whose room interfaces info should be known
:return: the room interfaces info contained in the specified unit
"""
### Make the BMS request
res_type = 'TODO'
res_id = unit_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
ret = dict()
#TODO ! get the interface info
return ret
def get_loads_data(unit_id):
### Make the BMS request
res_type = 'TODO'
res_id = unit_id
ret_bms = get_bms_info(res_type, res_id)
def get_storage_data(unit_id):
pass
def get_generation_data(unit_id):
pass
### ROOM INFO ###
def get_ambient_sensors_in_room(room_id):
"""
Fetch the BMS for the room info of a specified room
:param unit_id: the unit whose rooms info should be known
:return: the rooms info contained in the specified unit
"""
res_type = 'room_sensors'
res_id = room_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
sensor_of_interest = [EMS_COMFORT_temperature, EMS_COMFORT_luminosity,EMS_COMFORT_presence, EMS_COMFORT_humidity]
ret = dict()
for sensor in ret_bms:
data = sensor['fields']
id = sensor['pk']
type_meas = BMS_KEY_EMS_SENSORS_CONVERSION[data['measure']]
comf_constraints = data['additional_parameters']['constraints']
if type_meas not in sensor_of_interest: # check only the comfort sensors
continue
current_value = get_sensors_last_value(id)
ret[id] = {BMS_KEY_COMFORT_TYPE: type_meas,
BMS_KEY_COMFORT_CONSTRAINTS: comf_constraints,
BMS_KEY_COMFORT_VALUE: current_value}
return ret
def get_energy_sensors_in_room(room_id):
res_type = 'room_sensors'
res_id = room_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
sensor_of_interest = [EMS_ENERGY_soc, EMS_ENERGY_power]
ret = dict()
for sensor in ret_bms:
data = sensor['fields']
id = sensor['pk']
type_meas = BMS_KEY_EMS_SENSORS_CONVERSION[data['measure']]
if type_meas not in sensor_of_interest: # check only the energy-related sensors
continue
current_value = get_sensor_last_value(id)
type_entity = None
entity_related_id = None
if data['load'] is not None:
type_entity = EMS_CATEGORY_ENTITY_LOAD
entity_related_id = data['load']
elif data['storage'] is not None:
type_entity = EMS_CATEGORY_ENTITY_STORAGE
entity_related_id = data['storage']
elif data['generator'] is not None:
type_entity = EMS_CATEGORY_ENTITY_GENERATION
entity_related_id = data['generator']
ret[id] = {BMS_KEY_ENERGY_MEASURE_TYPE: type_meas,
BMS_KEY_ENERGY_MEASURE_VALUE: current_value,
BMS_KEY_ENERGY_ENTITY_RELATED_TYPE: type_entity,
BMS_KEY_ENERGY_ENTITY_RELATED_ID: entity_related_id}
return ret
def get_actuators_in_room(room_id):
res_type = 'room_actuators'
res_id = room_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
ret = dict()
for actuator in ret_bms:
data = actuator['fields']
id = actuator['pk']
current_value = get_actuator_status(id)
type_entity = None
entity_related_id = None
if data['load'] is not None:
type_entity = EMS_CATEGORY_ENTITY_LOAD
entity_related_id = data['load']
elif data['storage'] is not None:
type_entity = EMS_CATEGORY_ENTITY_STORAGE
entity_related_id = data['storage']
elif data['generator'] is not None:
type_entity = EMS_CATEGORY_ENTITY_GENERATION
entity_related_id = data['generator']
ret[id] = {BMS_KEY_ENERGY_ENTITY_RELATED_TYPE: type_entity,
BMS_KEY_ENERGY_ENTITY_RELATED_ID: entity_related_id,
BMS_KEY_ACTUATOR_ACTION_TYPE: data['action'],
BMS_KEY_ACTUATOR_STATUS: current_value}
return ret
### SENSOR & ACTUATOR INFO ###
def get_sensor_last_value(sensor_id):
res_type = 'last/sensor'
res_id = sensor_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
key_type = ret_bms.keys()
key_type = key_type[0]
time_value = ret_bms[key_type] # the answer is [time, value]
return time_value[1]
def get_actuator_status(actuator_id):
res_type = 'status/actuator'
res_id = actuator_id
ret_bms = get_bms_info(res_type, res_id)
### Process the request for answer formatting
if 'Status' in ret_bms:
return ret_bms['Status']
else:
return None

Event Timeline

c4science · Help