def handle_payload(ev):
msg = ev.msg
parser = SafeConfigParser()
parser.read('data.ini')
section = parser.sections()
print "\ttopic : " + msg.topic
if msg.payload is not None:
data = msg.payload
data = str(data)
print "payload = ", data
try:
data2 = json.loads(data)
except ValueError:
return
for name in parser.items('thingspeak'):
if name[0] == data2['id']:
field_id = name[1][:7]
api_key = name[1][8:]
value = data2['value']
datastream = data2['id']
packet = ThingSpeakPacket(api_key, [(field_id, value)])
print "Thingspeak status = ", packet.push()
print field_id
print datastream
print value
def eval_upload(self):
"""
Evaluate possible transmissions. To be called once per minute
"""
if self.tx_config is None:
return
transmissions = self.tx_config["cloud"]
update = False
current = datetime.now()
for name, tx in transmissions.iteritems():
interval = tx["interval"]
if interval == "1m":
update = True
elif interval == "5m":
if current.minute % 5 == 0:
update = True
elif interval == "15m":
if current.minute % 15 == 0:
update = True
elif interval == "30m":
if current.minute % 30 == 0:
update = True
elif interval == "1h":
if current.minute == 0:
update = True
elif interval == "12h":
if current.hour % 12 == 0:
update = True
elif interval == "1d":
if current.hour == 0:
update = True
if update:
update = False
# Fill endpoint data
endpoint_values = []
for field_id in tx["endpoints"]:
endp_name = tx["endpoints"][field_id]
endp = network.get_endpoint(endp_name)
if endp is None:
raise LagartoException("Unable to find a matching endpoint for " + endp_name + " before updating " + name + " from database")
elif endp.value is None:
raise LagartoException(endp_name + " has an invalid value. Unable to upload " + name + " to " + tx["service"])
else:
endpoint_values.append((field_id, endp.value))
update = True
if update:
if tx["service"] == "ThingSpeak":
thinkspeak = ThingSpeakPacket(tx["apikey"], endpoint_values)
thinkspeak.push()
def push_thingspeak(endp, api_key, field_id):
"""
Push data to ThingSpeak
@param endp: endpoint identification string
format 1: process.location.name
format 2: process.id
@param api_key: ThingSpeak API key
@param field_id: ThingSpeak field ID
@return HTTP response from ThingSpeak
"""
try:
endpoint = NetworkAPI.get_endpoint(endp)
if endpoint is not None:
packet = ThingSpeakPacket(api_key,
[(field_id, endpoint.value)])
return packet.push()
return None
except LagartoException as ex:
ex.log()