You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.8 KiB
102 lines
2.8 KiB
"""Daikin device discovery."""
|
|
import socket
|
|
|
|
from datetime import timedelta
|
|
from urllib.parse import unquote
|
|
|
|
DISCOVERY_MSG = b"DAIKIN_UDP/common/basic_info"
|
|
|
|
UDP_SRC_PORT = 30000
|
|
UDP_DST_PORT = 30050
|
|
|
|
DISCOVERY_ADDRESS = '<broadcast>'
|
|
DISCOVERY_TIMEOUT = timedelta(seconds=2)
|
|
|
|
|
|
class Daikin:
|
|
"""Base class to discover Daikin devices."""
|
|
|
|
def __init__(self):
|
|
"""Initialize the Daikin discovery."""
|
|
self.entries = []
|
|
|
|
def scan(self):
|
|
"""Scan the network."""
|
|
self.update()
|
|
|
|
def all(self):
|
|
"""Scan and return all found entries."""
|
|
self.scan()
|
|
return self.entries
|
|
|
|
def update(self):
|
|
"""Scan network for Daikin devices."""
|
|
entries = []
|
|
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
|
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
sock.settimeout(DISCOVERY_TIMEOUT.seconds)
|
|
sock.bind(("", UDP_SRC_PORT))
|
|
|
|
try:
|
|
|
|
sock.sendto(DISCOVERY_MSG, (DISCOVERY_ADDRESS, UDP_DST_PORT))
|
|
|
|
while True:
|
|
try:
|
|
data, (address, _) = sock.recvfrom(1024)
|
|
|
|
# pylint: disable=consider-using-dict-comprehension
|
|
entry = dict([e.split('=')
|
|
for e in data.decode("UTF-8").split(',')])
|
|
|
|
# expecting product, mac, activation code, version
|
|
if 'ret' not in entry or entry['ret'] != 'OK':
|
|
# non-OK return on response
|
|
continue
|
|
|
|
if 'mac' not in entry:
|
|
# no mac found for device"
|
|
continue
|
|
|
|
if 'type' not in entry or entry['type'] != 'aircon':
|
|
# no mac found for device"
|
|
continue
|
|
|
|
if 'name' in entry:
|
|
entry['name'] = unquote(entry['name'])
|
|
|
|
# in case the device was not configured to have an id
|
|
# then use the mac address
|
|
if 'id' in entry and entry['id'] == '':
|
|
entry['id'] = entry['mac']
|
|
|
|
entries.append({
|
|
'id': entry['id'],
|
|
'name': entry['name'],
|
|
'ip': address,
|
|
'mac': entry['mac'],
|
|
'ver': entry['ver'],
|
|
})
|
|
|
|
except socket.timeout:
|
|
break
|
|
|
|
finally:
|
|
sock.close()
|
|
|
|
self.entries = entries
|
|
|
|
|
|
def main():
|
|
"""Test Daikin discovery."""
|
|
from pprint import pprint
|
|
daikin = Daikin()
|
|
pprint("Scanning for Daikin devices..")
|
|
daikin.update()
|
|
pprint(daikin.entries)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|