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Delete MLGW_CLIENT.py
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1 changed files with 0 additions and 409 deletions
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@ -1,409 +0,0 @@
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import asynchat
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import logging
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import socket
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import time
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import json
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from collections import OrderedDict
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import Resources.CONSTANTS as CONST
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class MLGWClient(asynchat.async_chat):
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"""Client to interact with a B&O Gateway via the MasterLink Gateway Protocol
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http://mlgw.bang-olufsen.dk/source/documents/mlgw_2.24b/MlgwProto0240.pdf ."""
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def __init__(self, host_address='blgw.local', port=9000, user='admin', pwd='admin', name='MLGW_Protocol', cb=None):
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asynchat.async_chat.__init__(self)
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self.log = logging.getLogger('Client (%7s)' % name)
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self.log.setLevel('INFO')
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self._host = host_address
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self._port = int(port)
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self._user = user
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self._pwd = pwd
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self.name = name
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self.is_connected = False
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self._received_data = bytearray()
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self.last_sent = ''
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self.last_sent_at = time.time()
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self.last_received = ''
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self.last_received_at = time.time()
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self.last_message = {}
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# Optional callback function
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if cb:
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self.messageCallBack = cb
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else:
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self.messageCallBack = None
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# Expose dictionaries via API
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self.BEO4_CMDS = CONST.BEO4_CMDS
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self.BEORMT1_CMDS = CONST.beoremoteone_commanddict
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self.CMDS_DEST = CONST.CMDS_DEST
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self.MLGW_PL = CONST.MLGW_PL
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# ########################################################################################
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# ##### Open Socket and connect to B&O Gateway
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self.client_connect()
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# ########################################################################################
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# ##### Client functions
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def collect_incoming_data(self, data):
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self.is_connected = True
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self.log.debug(data)
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self._received_data = bytearray(data)
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bit1 = int(self._received_data[0]) # Start of Header == 1
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bit2 = int(self._received_data[1]) # Message Type
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bit3 = int(self._received_data[2]) # Payload length
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bit4 = int(self._received_data[3]) # Spare Bit/End of Header == 0
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payload = bytearray()
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for item in self._received_data[4:bit3 + 4]:
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payload.append(item)
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if bit1 == 1 and len(self._received_data) == bit3 + 4 and bit4 == 0:
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self.found_terminator(bit2, payload)
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else:
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self.log.info("Incomplete Telegram Received: " + str(list(self._received_data)) + " - Ignoring!\n")
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def found_terminator(self, msg_type, payload):
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self.last_received = str(list(self._received_data))
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self.last_received_at = time.time()
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self.log.debug(self._received_data)
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header = self._received_data[0:4]
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self._received_data = ""
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self._decode(msg_type, header, payload)
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def _decode(self, msg_type, header, payload):
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message = OrderedDict()
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payload_type = self._dictsanitize(CONST.mlgw_payloadtypedict, msg_type)
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if payload_type == "MLGW virtual button event":
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virtual_btn = payload[0]
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if len(payload) < 1:
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virtual_action = self._getvirtualactionstr(0x01)
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else:
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virtual_action = self._getvirtualactionstr(payload[1])
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message["payload_type"] = payload_type
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message["button"] = virtual_btn
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message["action"] = virtual_action
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elif payload_type == "Login status":
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if payload == 0:
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self.log.info("\tAuthentication Failed: MLGW protocol Password required for %s", self._host)
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self.handle_close()
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message['Connected'] = "False"
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return
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else:
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self.log.info("\tLogin successful to %s", self._host)
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self.is_connected = True
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message["payload_type"] = payload_type
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message['Connected'] = "True"
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self.get_serial()
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elif payload_type == "Pong":
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self.is_connected = True
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message["payload_type"] = payload_type
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message['CONNECTION'] = 'Online'
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elif payload_type == "Serial Number":
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sn = ''
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for c in payload:
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sn += chr(c)
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message["payload_type"] = payload_type
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message['serial_Num'] = sn
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elif payload_type == "Source Status":
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self._get_device_info(message, payload)
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message["payload_type"] = payload_type
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message["MLN"] = payload[0]
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message["State_Update"] = OrderedDict()
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message["State_Update"]["nowPlaying"] = 'Unknown'
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message["State_Update"]["nowPlayingDetails"] = OrderedDict()
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message["State_Update"]["nowPlayingDetails"]["channel_track"] = \
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self._hexword(payload[4], payload[5])
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message["State_Update"]["nowPlayingDetails"]["source_medium_position"] = \
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self._hexword(payload[2], payload[3])
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message["State_Update"]["nowPlayingDetails"]["picture_format"] = \
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self._getdictstr(CONST.ml_pictureformatdict, payload[7])
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source = self._getselectedsourcestr(payload[1]).upper()
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self._get_source_name(source, message)
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message["State_Update"]["source"] = source
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self._get_channel_track(message)
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message["State_Update"]["state"] = self._getdictstr(CONST.sourceactivitydict, payload[6])
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elif payload_type == "Picture and Sound Status":
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self._get_device_info(message, payload)
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message["payload_type"] = payload_type
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message["MLN"] = payload[0]
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message["State_Update"] = OrderedDict([("sound_status", OrderedDict()), ("picture_status", OrderedDict())])
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message["State_Update"]["sound_status"]["mute_status"] = \
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self._getdictstr(CONST.mlgw_soundstatusdict, payload[1])
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message["State_Update"]["sound_status"]["speakermode"] = \
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self._getdictstr(CONST.mlgw_speakermodedict, payload[2])
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message["State_Update"]["sound_status"]["stereo_mode"] = \
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self._getdictstr(CONST.mlgw_stereoindicatordict, payload[9])
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message["State_Update"]["picture_status"]["screen1_mute"] = \
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self._getdictstr(CONST.mlgw_screenmutedict, payload[4])
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message["State_Update"]["picture_status"]["screen1_active"] = \
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self._getdictstr(CONST.mlgw_screenactivedict, payload[5])
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message["State_Update"]["picture_status"]["screen2_mute"] = \
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self._getdictstr(CONST.mlgw_screenmutedict, payload[6])
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message["State_Update"]["picture_status"]["screen2_active"] = \
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self._getdictstr(CONST.mlgw_screenactivedict, payload[7])
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message["State_Update"]["picture_status"]["cinema_mode"] = \
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self._getdictstr(CONST.mlgw_cinemamodedict, payload[8])
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message["volume"] = int(payload[3])
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elif payload_type == "All standby notification":
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message["payload_type"] = payload_type
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message["command"] = "All Standby"
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elif payload_type == "Light and Control command":
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if CONST.rooms:
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for room in CONST.rooms:
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if room['Room_Number'] == payload[0]:
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try:
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message["Zone"] = room['Zone'].upper()
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except KeyError:
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pass
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message["Room"] = room['Room_Name'].upper()
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message["Type"] = self._getdictstr(CONST.mlgw_lctypedict, payload[1]).upper() + " COMMAND"
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message["Device"] = 'Beo4/BeoRemote One'
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message["payload_type"] = payload_type
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message["room_number"] = str(payload[0])
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message["command"] = self._getbeo4commandstr(payload[2])
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if message != '':
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self._report(header, payload, message)
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def client_connect(self):
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self.log.info('Connecting to host at %s, port %i', self._host, self._port)
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self.set_terminator(b'\r\n')
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# Create the socket
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try:
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self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
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except socket.error, e:
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self.log.info("Error creating socket: %s" % e)
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self.handle_close()
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# Now connect
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try:
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self.connect((self._host, self._port))
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except socket.gaierror, e:
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self.log.info("\tError with address %s:%i - %s" % (self._host, self._port, e))
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self.handle_close()
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except socket.timeout, e:
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self.log.info("\tSocket connection to %s:%i timed out- %s" % (self._host, self._port, e))
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self.handle_close()
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except socket.error, e:
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self.log.info("\tError opening connection to %s:%i - %s" % (self._host, self._port, e))
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self.handle_close()
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else:
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self.is_connected = True
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self.log.info("\tConnected to B&O Gateway")
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def handle_connect(self):
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login = []
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for c in self._user:
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login.append(c)
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login.append(0x00)
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for c in self._pwd:
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login.append(c)
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self.log.info("\tAttempting to Authenticate...")
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self._send_cmd(CONST.MLGW_PL.get("LOGIN REQUEST"), login)
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def handle_close(self):
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self.log.info(self.name + ": Closing socket")
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self.is_connected = False
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self.close()
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def _report(self, header, payload, message):
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self.last_message = message
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self.log.debug(self.name + "\n" + str(json.dumps(message, indent=4)))
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if self.messageCallBack:
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self.messageCallBack(self.name, str(list(header)), str(list(payload)), message)
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# ########################################################################################
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# ##### mlgw send functions
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# send_cmd command to mlgw
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def _send_cmd(self, msg_type, payload):
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# Construct header
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telegram = [1, msg_type, len(payload), 0]
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# append payload
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for p in payload:
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telegram.append(p)
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try:
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self.push(str(bytearray(telegram)))
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except socket.timeout, e:
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self.log.info("\tSocket connection to %s:%i timed out- %s" % (self._host, self._port, e))
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self.handle_close()
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except socket.error, e:
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self.log.info("Error sending data: %s" % e)
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self.handle_close()
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else:
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self.last_sent = str(bytearray(telegram))
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self.last_sent_at = time.time()
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self.log.info(
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self.name + " >>-SENT--> "
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+ self._getpayloadtypestr(msg_type)
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+ ": "
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+ str(list(telegram))
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)
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# Sleep to allow msg to arrive
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time.sleep(0.2)
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# Ping the gateway
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def ping(self):
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self._send_cmd(CONST.MLGW_PL.get("PING"), "")
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# Get serial number of mlgw
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def get_serial(self):
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if self.is_connected:
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# Request serial number
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self._send_cmd(CONST.MLGW_PL.get("REQUEST SERIAL NUMBER"), "")
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# send_cmd Beo4 command to mlgw
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def send_beo4_cmd(self, mln, dest, cmd, sec_source=0x00, link=0x00):
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payload = [
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mln, # byte[0] MLN
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dest, # byte[1] Dest-Sel (0x00, 0x01, 0x05, 0x0f)
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cmd, # byte[2] Beo4 Command
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sec_source, # byte[3] Sec-Source
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link] # byte[4] Link
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self._send_cmd(CONST.MLGW_PL.get("BEO4 COMMAND"), payload)
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# send_cmd BeoRemote One command to mlgw
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def send_beoremoteone_cmd(self, mln, cmd, network_bit=0x00):
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payload = [
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mln, # byte[0] MLN
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cmd, # byte[1] Beo4 Command
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0x00, # byte[2] AV (needs to be 0)
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network_bit] # byte[3] Network_bit (0 = local source, 1 = network source)
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self._send_cmd(CONST.MLGW_PL.get("BEOREMOTE ONE CONTROL COMMAND"), payload)
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# send_cmd BeoRemote One Source Select to mlgw
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def send_beoremoteone_select_source(self, mln, cmd, unit, network_bit=0x00):
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payload = [
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mln, # byte[0] MLN
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cmd, # byte[1] Beoremote One Command self.BEORMT1_CMD.get('cmd')[0]
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unit, # byte[2] Unit self.BEORMT1_CMD.get('cmd')[1]
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0x00, # byte[3] AV (needs to be 0)
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network_bit] # byte[4] Network_bit (0 = local source, 1 = network source)
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self._send_cmd(CONST.MLGW_PL.get("BEOREMOTE ONE SOURCE SELECTION"), payload)
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# send_cmd Beo4 commmand and store the source name
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def send_beo4_select_source(self, mln, dest, source, sec_source=0x00, link=0x00):
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self.send_beo4_cmd(mln, dest, source, sec_source, link)
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# ########################################################################################
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# ##### Utility functions
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@staticmethod
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def _hexbyte(byte):
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resultstr = hex(byte)
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if byte < 16:
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resultstr = resultstr[:2] + "0" + resultstr[2]
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return resultstr
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def _hexword(self, byte1, byte2):
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resultstr = self._hexbyte(byte2)
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resultstr = self._hexbyte(byte1) + resultstr[2:]
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return resultstr
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def _dictsanitize(self, d, s):
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result = d.get(s)
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if result is None:
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result = "UNKNOWN (type=" + self._hexbyte(s) + ")"
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return str(result)
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# ########################################################################################
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# ##### Decode MLGW Protocol packet to readable string
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# Get message string for mlgw packet's payload type
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def _getpayloadtypestr(self, payloadtype):
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result = CONST.mlgw_payloadtypedict.get(payloadtype)
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if result is None:
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result = "UNKNOWN (type = " + self._hexbyte(payloadtype) + ")"
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return str(result)
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def _getbeo4commandstr(self, command):
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result = CONST.beo4_commanddict.get(command)
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if result is None:
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result = "CMD = " + self._hexbyte(command)
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return result
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def _getvirtualactionstr(self, action):
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result = CONST.mlgw_virtualactiondict.get(action)
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if result is None:
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result = "Action = " + self._hexbyte(action)
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return result
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def _getselectedsourcestr(self, source):
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result = CONST.ml_selectedsourcedict.get(source)
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if result is None:
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result = "SRC = " + self._hexbyte(source)
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return result
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def _getspeakermodestr(self, source):
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result = CONST.mlgw_speakermodedict.get(source)
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if result is None:
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result = "mode = " + self._hexbyte(source)
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return result
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def _getdictstr(self, mydict, mykey):
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result = mydict.get(mykey)
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if result is None:
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result = self._hexbyte(mykey)
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return result
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@staticmethod
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def _get_source_name(source, message):
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if CONST.available_sources:
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for src in CONST.available_sources:
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if src[1] == source:
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message["State_Update"]["sourceName"] = src[0]
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return
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@staticmethod
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def _get_device_info(message, payload):
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if CONST.rooms and CONST.devices:
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for device in CONST.devices:
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try:
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if device['MLN'] == payload[0]:
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name = device['Device']
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for room in CONST.rooms:
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if name in room['Products']:
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try:
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message["Zone"] = room['Zone'].upper()
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except KeyError:
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pass
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message["Room"] = room['Room_Name'].upper()
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message["Type"] = 'AV RENDERER'
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message["Device"] = name
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return
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except KeyError:
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pass
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@staticmethod
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def _get_channel_track(message):
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# Check device list for channel name information
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if CONST.devices:
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for device in CONST.devices:
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try:
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if device['Device'] == message['Device']:
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if 'channels' in device['Sources'][message["State_Update"]["source"]]:
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for channel in device['Sources'][message["State_Update"]["source"]]['channels']:
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if channel['number'] == int(
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message["State_Update"]['nowPlayingDetails']["channel_track"]):
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message["State_Update"]["nowPlaying"] = channel['name']
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return
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except KeyError:
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pass
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