def update_scanned_devices(self, scanned_devices):
db = DryadDatabase()
for device in scanned_devices:
record_exists = False
# Check if this node already exists in the database
result = db.get_devices(address=device.addr.upper())
if (result != False) or \
((type(result) == type(list)) and (len(result) > 0)):
self.logger.debug(str(result))
self.logger.info("Node already exists: [{}] {}/{}".format(
result.device_type, result.node_id, result.address))
continue
# Get the name of the device first
node_id = device.getValueText(ADTYPE_LOCAL_NAME)
if node_id == None:
self.logger.error("Could not obtain device name: {}".format(
device.addr))
continue
node_id = node_id.strip('\x00')
# Add a node record in the database
result = db.insert_or_update_node(name=node_id,
node_class="UNKNOWN",
site_name="????",
lat=14.37,
lon=120.58)
if result == False:
self.logger.error("Unable to add node record")
continue
# Add a node device record in the database
result = db.insert_or_update_device(address=device.addr.upper(),
node_id=node_id,
device_type="UNKNOWN")
if result == False:
self.logger.error("Unable to add node device record")
continue
db.close_session()
return
def cache_reading(self, reading):
node_name = self.parent.get_name()
node_address = self.parent.get_address()
db = DryadDatabase()
matched_devices = db.get_devices(address=node_address)
node = matched_devices[0]
print("Reading: {}".format(reading))
result = db.insert_or_update_device(node.address, node.node_id,
node.device_type,
reading['pf_batt'])
db.close_session()
if result == False:
self.logger.error("Failed to save power reading")
ReadThread.cache_reading(self, reading)
return
def reload_network_info(self):
db = DryadDatabase()
# Get all nodes
node_records = db.get_nodes()
device_records = db.get_devices()
if (node_records == False) or (device_records == False):
db.close_session()
return
# Reload the running node list
self.node_list = []
for device in device_records:
# Get the matching node in the node records list
node_name = device.node_id
node_addr = device.address
node_type = device.device_type # This will contain an Enum
node_class = "UNKNOWN" # This will contain an Enum
for node in node_records:
if node.name == device.node_id:
node_class = node.node_class
# Add the node to the list
self.node_list.append({
"id": node_name,
"addr": node_addr,
"type": node_type.name,
"class": node_class.name
})
self.logger.debug(str(self.node_list))
db.close_session()
return True
def handle_req_list_sensors(self, link, content):
db = DryadDatabase()
node_matches = db.get_nodes(node_class='SENSOR')
sensors = "{'sensors':["
if len(node_matches) <= 0:
sensors += "]}"
db.close_session()
return link.send_response("RNLST:" + sensors + ";\r\n")
snode_list = []
for node in node_matches:
pf_addr = "????"
bl_addr = "????"
pf_batt = -99.0
bl_batt = -99.0
# Get the matching devices sharing the node's name
device_matches = db.get_devices(name=node.name)
if device_matches == None:
self.logger.warn(
"Node does not have any associated devices: {}".format(
node.name))
continue
if len(device_matches) <= 0:
self.logger.warn(
"Node does not have any associated devices: {}".format(
node.name))
continue
# For each matching device, extract the parrot fp address and the
# bluno address and then store them in separate variables
for device in device_matches:
device_type = str(device.device_type.name)
if device_type == 'BLUNO':
bl_addr = device.address
elif device_type == "PARROT":
pf_addr = device.address
pf_batt = device.power
snode = "'name':'{}', 'state':'{}',"
snode += "'site_name':'{}','lat':'{}', 'lon':'{}',"
snode += "'pf_addr':'{}', 'bl_addr':'{}', 'pf_batt':'{}',"
snode += "'bl_batt':'{}', 'pf_comms':'{}', 'bl_comms':'{}'"
snode = snode.format(node.name, self.task_node.get_state_str(),
node.site_name, node.lat, node.lon,
pf_addr, bl_addr, pf_batt, -99.0, ctime(0.0),
ctime(0.0))
snode_list.append("{" + snode + "}")
# Build the sensor node list string
snodes_all = ",".join(snode_list)
# Build the final string
sensors += snodes_all
sensors += "]}"
# print(sensors)
db.close_session()
return link.send_response("RNLST:" + sensors + ";\r\n")
