def setup_device(device):
rrd = RRD(device.id, 'device')
sources = []
sources.append({'name': 'interior_temp'})
sources.append({'name': 'exterior_temp'})
rrd.create(sources)
return
def delete_grainbin(grainbin):
rrd = RRD(grainbin.device_id, 'grainbin',
service_number=grainbin.bus_number)
rrd.remove()
db_session.query(Grainbin).filter_by(id=grainbin.id).delete()
db_session.commit()
return
def setup_grainbin(grainbin):
rrd = RRD(grainbin.device_id, 'grainbin',
service_number=grainbin.bus_number)
sources = []
for sensor in grainbin.sensors:
sources.append({'name': sensor.id})
rrd.create(sources)
return
def delete_device(device):
address = Config.get('services', 'client_address')
port = Config.get('services', 'client_port')
address = "tcp://" + address + ":" + port
socket = zmq.Context().socket(zmq.REQ)
socket.setsockopt(zmq.LINGER, 0)
socket.connect(address)
message = ['00000000', 'control', 'remove', device.id]
mdp_request(socket, 'device', message, 1)
rrd = RRD(device.id, 'device')
rrd.remove(remove_folder=True)
db_session.query(Device).filter_by(id=device.id).delete()
db_session.commit()
return
def _device_chart():
if request.method == 'POST':
device_id = request.json['id']
date_range = request.json['date']
names = []
names.append({'name': 'interior_temp'})
names.append({'name': 'exterior_temp'})
rrd = RRD(device_id, 'device')
data = rrd.retrieve(names, date_range)
if not data:
return "Error fetching data!"
ykeys = ['interior_temp', 'exterior_temp']
labels = ['Interior', 'Exterior']
return jsonify(data=data, ykeys=ykeys, labels=labels)
return "Success!"
def _grainbin_chart():
if request.method == 'POST':
grainbin_id = request.json['id']
date_range = request.json['date']
grainbin = db_session.query(Grainbin).filter_by(id=grainbin_id).first()
names = []
ykeys = []
labels = []
for sensor in grainbin.sensors:
names.append({'name': sensor.id})
ykeys.append(sensor.id)
labels.append(sensor.id)
rrd = RRD(grainbin.device_id, 'grainbin', grainbin.bus_number)
data = rrd.retrieve(names, date_range)
if not data:
return "Error fetching data!"
return jsonify(data=data, ykeys=ykeys, labels=labels)
return "Success!"
