mirror of
https://github.com/LukeSpad/BeoGateway.git
synced 2024-12-23 21:51:51 +00:00
301 lines
No EOL
14 KiB
Python
301 lines
No EOL
14 KiB
Python
import asynchat
|
|
import logging
|
|
import socket
|
|
import time
|
|
import json
|
|
from collections import OrderedDict
|
|
|
|
import Resources.CONSTANTS as const
|
|
|
|
class MLCLIClient(asynchat.async_chat):
|
|
"""Client to monitor raw packet traffic on the Masterlink network via the undocumented command line interface
|
|
of the Bang & Olufsen Gateway."""
|
|
def __init__(self, host_address='blgw.local', port=23, user='admin', pwd='admin', name='ML_CLI', cb=None):
|
|
asynchat.async_chat.__init__(self)
|
|
self.log = logging.getLogger('Client (%7s)' % name)
|
|
self.log.setLevel('INFO')
|
|
|
|
self._host = host_address
|
|
self._port = int(port)
|
|
self._user = user
|
|
self._pwd = pwd
|
|
self.name = name
|
|
self.is_connected = False
|
|
|
|
self._i = 0
|
|
self._header_lines = 6
|
|
self._received_data = ""
|
|
self.last_sent = ''
|
|
self.last_sent_at = time.time()
|
|
self.last_received = ''
|
|
self.last_received_at = time.time()
|
|
self.last_message = {}
|
|
|
|
self.isBLGW = False
|
|
|
|
# Optional callback function
|
|
if cb:
|
|
self.messageCallBack = cb
|
|
else:
|
|
self.messageCallBack = None
|
|
|
|
# ########################################################################################
|
|
# ##### Open Socket and connect to B&O Gateway
|
|
self.client_connect()
|
|
|
|
# ########################################################################################
|
|
# ##### Client functions
|
|
def collect_incoming_data(self, data):
|
|
self.log.debug(data)
|
|
self._received_data += data
|
|
|
|
def found_terminator(self):
|
|
self.last_received = self._received_data
|
|
self.last_received_at = time.time()
|
|
self.log.debug(self._received_data)
|
|
|
|
telegram = self._received_data
|
|
self._received_data = ""
|
|
|
|
#clear login process lines before processing telegrams
|
|
if self._i <= self._header_lines:
|
|
self._i += 1
|
|
if self._i == self._header_lines - 1:
|
|
self.log.info("\tAuthenticated! Gateway type is " + telegram[0:4] + "\n")
|
|
if telegram[0:4] != "MLGW":
|
|
self.isBLGW = True
|
|
|
|
#Process telegrams and return json data in human readable format
|
|
if self._i > self._header_lines:
|
|
items = telegram.split()[1:]
|
|
if len(items):
|
|
telegram=bytearray()
|
|
for item in items:
|
|
try:
|
|
telegram.append(int(item[:-1],base=16))
|
|
except:
|
|
#abort if invalid character found
|
|
break
|
|
|
|
#Decode any telegram with a valid 9 byte header, excluding typy 0x14 (regular clock sync pings)
|
|
if len(telegram) >= 9 and telegram[7] != 0x14:
|
|
#Header: To_Device/From_Device/1/Type/To_Source/From_Source/0/Payload_Type/Length
|
|
header = telegram[:9]
|
|
payload = telegram[9:]
|
|
message = self._decode(telegram)
|
|
self._report(header, payload, message)
|
|
|
|
def client_connect(self):
|
|
self.log.info('Connecting to host at %s, port %i', self._host, self._port)
|
|
self.set_terminator(b'\r\n')
|
|
# Create the socket
|
|
try:
|
|
socket.setdefaulttimeout(3)
|
|
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
except socket.error, e:
|
|
self.log.info("Error creating socket: %s" % e)
|
|
self.handle_close()
|
|
# Now connect
|
|
try:
|
|
self.connect((self._host, self._port))
|
|
except socket.gaierror, e:
|
|
self.log.info("\tError with address %s:%i - %s" % (self._host, self._port, e))
|
|
self.handle_close()
|
|
except socket.error, e:
|
|
self.log.info("\tError opening connection to %s:%i - %s" % (self._host, self._port, e))
|
|
self.handle_close()
|
|
except socket.timeout, e:
|
|
self.log.info("\tSocket connection to %s:%i timed out- %s" % (self._host, self._port, e))
|
|
self.handle_close()
|
|
else:
|
|
self.is_connected = True
|
|
self.log.info("\tConnected to B&O Gateway")
|
|
|
|
def handle_connect(self):
|
|
self.log.info("\tAttempting to Authenticate...")
|
|
self.send_cmd(self._pwd)
|
|
self.send_cmd("_MLLOG ONLINE")
|
|
|
|
def handle_close(self):
|
|
self.log.info(self.name + ": Closing socket")
|
|
self.is_connected = False
|
|
self.close()
|
|
|
|
def send_cmd(self,telegram):
|
|
try:
|
|
self.push(telegram + "\r\n")
|
|
except socket.error, e:
|
|
self.log.info("Error sending data: %s" % e)
|
|
self.handle_close()
|
|
except socket.timeout, e:
|
|
self.log.info("\tSocket connection to %s:%i timed out- %s" % (self._host, self._port, e))
|
|
self.handle_close()
|
|
else:
|
|
self.last_sent = telegram
|
|
self.last_sent_at = time.time()
|
|
self.log.info(self.name + " >>-SENT--> : " + telegram)
|
|
time.sleep(0.2)
|
|
|
|
def _report(self, header, payload, message):
|
|
# Report messages, excluding regular clock pings from gateway
|
|
self.last_message = message
|
|
self.log.debug(self.name + "\n" + str(json.dumps(message, indent=4)))
|
|
if self.messageCallBack:
|
|
self.messageCallBack(self.name, str(list(header)), str(list(payload)), message)
|
|
|
|
def ping(self):
|
|
self.log.info(self.name + " >>-SENT--> : Ping")
|
|
self.push('\n')
|
|
|
|
# ########################################################################################
|
|
# ##### Utility functions
|
|
def _hexbyte(self, byte):
|
|
resultstr = hex(byte)
|
|
if byte < 16:
|
|
resultstr = resultstr[:2] + "0" + resultstr[2]
|
|
return resultstr
|
|
|
|
def _hexword(self, byte1, byte2):
|
|
resultstr = self._hexbyte(byte2)
|
|
resultstr = self._hexbyte(byte1) + resultstr[2:]
|
|
return resultstr
|
|
|
|
def _dictsanitize(self, d, s):
|
|
result = d.get(s)
|
|
if result == None:
|
|
result = self._hexbyte(s)
|
|
self.log.debug("UNKNOWN (type=" + result + ")")
|
|
return str(result)
|
|
|
|
def _get_type(self, d, s):
|
|
rev_dict = {value: key for key, value in d.items()}
|
|
for i in range(len(list(rev_dict))):
|
|
if s in list(rev_dict)[i]:
|
|
return rev_dict.get(list(rev_dict)[i])
|
|
|
|
# ########################################################################################
|
|
# ##### Decode Masterlink Protocol packet to a serializable dict
|
|
|
|
def _decode(self, telegram):
|
|
# Decode header
|
|
message = OrderedDict()
|
|
if const.devices:
|
|
for device in const.devices:
|
|
if device['ML_ID'] == telegram[1]:
|
|
message["Zone"] = device["Zone"].upper()
|
|
message["Room"] = device["Room"].uppr()
|
|
message["Type"] = "AV RENDERER"
|
|
message["Device"] = device["Device"]
|
|
message["from_device"] = self._dictsanitize(const._ml_device_dict, telegram[1])
|
|
message["from_source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[5])
|
|
message["to_device"] = self._dictsanitize(const._ml_device_dict, telegram[0])
|
|
message["to_source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[4])
|
|
message["type"] = self._dictsanitize(const._ml_telegram_type_dict, telegram[3])
|
|
message["payload_type"] = self._dictsanitize(const._ml_command_type_dict, telegram[7])
|
|
message["payload_len"] = telegram[8] + 1
|
|
message["payload"] = OrderedDict()
|
|
|
|
# source status info
|
|
# TTFF__TYDSOS__PTLLPS SR____LS______SLSHTR__ACSTPI________________________TRTR______
|
|
if message.get("payload_type") == "STATUS_INFO":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[10])
|
|
message["payload"]["sourceID"] = telegram[10]
|
|
message["payload"]["source_type"] = telegram[22]
|
|
message["payload"]["local_source"] = telegram[13]
|
|
message["payload"]["source_medium"] = self._hexword(telegram[18], telegram[17])
|
|
message["payload"]["channel_track"] = (
|
|
telegram[19] if telegram[8] < 27 else (telegram[36] * 256 + telegram[37])
|
|
)
|
|
message["payload"]["picture_identifier"] = self._dictsanitize(const._ml_pictureformatdict, telegram[23])
|
|
message["payload"]["state"] = self._dictsanitize(const._sourceactivitydict, telegram[21])
|
|
|
|
# display source information
|
|
if message.get("payload_type") == "DISPLAY_SOURCE":
|
|
_s = ""
|
|
for i in range(0, telegram[8] - 5):
|
|
_s = _s + chr(telegram[i + 15])
|
|
message["payload"]["display_source"] = _s.rstrip()
|
|
|
|
# extended source information
|
|
if message.get("payload_type") == "EXTENDED_SOURCE_INFORMATION":
|
|
message["payload"]["info_type"] = telegram[10]
|
|
_s = ""
|
|
for i in range(0, telegram[8] - 14):
|
|
_s = _s + chr(telegram[i + 24])
|
|
message["payload"]["info_value"] = _s
|
|
|
|
# beo4 command
|
|
if message.get("payload_type") == "BEO4_KEY":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[10])
|
|
message["payload"]["sourceID"] = telegram[10]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[10])
|
|
message["payload"]["command"] = self._dictsanitize(const.beo4_commanddict, telegram[11])
|
|
|
|
# audio track info long
|
|
if message.get("payload_type") == "TRACK_INFO_LONG":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[11])
|
|
message["payload"]["sourceID"] = telegram[11]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[11])
|
|
message["payload"]["channel_track"] = telegram[12]
|
|
message["payload"]["state"] = self._dictsanitize(const._sourceactivitydict, telegram[13])
|
|
|
|
# video track info
|
|
if message.get("payload_type") == "VIDEO_TRACK_INFO":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[13])
|
|
message["payload"]["sourceID"] = telegram[13]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[13])
|
|
message["payload"]["channel_track"] = telegram[11] * 256 + telegram[12]
|
|
message["payload"]["state"] = self._dictsanitize(const._sourceactivitydict, telegram[14])
|
|
|
|
# track change info
|
|
if message.get("payload_type") == "TRACK_INFO":
|
|
message["payload"]["subtype"] = self._dictsanitize(const._ml_trackinfo_subtype_dict, telegram[9])
|
|
if message["payload"].get("subtype") == "Change Source":
|
|
message["payload"]["prev_source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[11])
|
|
message["payload"]["prev_sourceID"] = telegram[11]
|
|
message["payload"]["prev_source_type"] = self._get_type(
|
|
const._ml_selectedsource_type_dict, telegram[11])
|
|
if len(telegram) > 18:
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[22])
|
|
message["payload"]["sourceID"] = telegram[22]
|
|
if message["payload"].get("subtype") == "Current Source":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[11])
|
|
message["payload"]["sourceID"] = telegram[11]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[11])
|
|
else:
|
|
message["payload"]["subtype"] = "Undefined: " + self._hexbyte(telegram[9])
|
|
|
|
# goto source
|
|
if message.get("payload_type") == "GOTO_SOURCE":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[11])
|
|
message["payload"]["sourceID"] = telegram[11]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[11])
|
|
message["payload"]["channel_track"] = telegram[12]
|
|
|
|
# remote request
|
|
if message.get("payload_type") == "MLGW_REMOTE_BEO4":
|
|
message["payload"]["command"] = self._dictsanitize(const.beo4_commanddict, telegram[14])
|
|
message["payload"]["destination"] = self._dictsanitize(const._destselectordict, telegram[11])
|
|
|
|
# request_key
|
|
if message.get("payload_type") == "LOCK_MANAGER_COMMAND":
|
|
message["payload"]["subtype"] = self._dictsanitize(
|
|
const._ml_command_type_request_key_subtype_dict, telegram[9])
|
|
|
|
# request distributed audio source
|
|
if message.get("payload_type") == "REQUEST_DISTRIBUTED_SOURCE":
|
|
message["payload"]["subtype"] = self._dictsanitize(const._ml_activity_dict, telegram[9])
|
|
if message["payload"].get('subtype') == "Source Active":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[13])
|
|
message["payload"]["sourceID"] = telegram[13]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[13])
|
|
|
|
# request local audio source
|
|
if message.get("payload_type") == "REQUEST_LOCAL_SOURCE":
|
|
message["payload"]["subtype"] = self._dictsanitize(const._ml_activity_dict, telegram[9])
|
|
if message["payload"].get('subtype') == "Source Active":
|
|
message["payload"]["source"] = self._dictsanitize(const._ml_selectedsourcedict, telegram[11])
|
|
message["payload"]["sourceID"] = telegram[11]
|
|
message["payload"]["source_type"] = self._get_type(const._ml_selectedsource_type_dict, telegram[11])
|
|
|
|
return message |