"""Xbox One SmartGlass device discovery.""" import socket import struct import binascii from datetime import timedelta DISCOVERY_PORT = 5050 DISCOVERY_ADDRESS_BCAST = '' DISCOVERY_ADDRESS_MCAST = '239.255.255.250' DISCOVERY_REQUEST = 0xDD00 DISCOVERY_RESPONSE = 0xDD01 DISCOVERY_TIMEOUT = timedelta(seconds=2) """ SmartGlass Client type XboxOne = 1 Xbox360 = 2 WindowsDesktop = 3 WindowsStore = 4 WindowsPhone = 5 iPhone = 6 iPad = 7 Android = 8 """ DISCOVERY_CLIENT_TYPE = 4 class XboxSmartGlass: """Base class to discover Xbox SmartGlass devices.""" def __init__(self): """Initialize the Xbox SmartGlass discovery.""" self.entries = [] self._discovery_payload = self.discovery_packet() @staticmethod def discovery_packet(): """Assemble discovery payload.""" version = 0 flags = 0 min_version = 0 max_version = 2 payload = struct.pack( '>IHHH', flags, DISCOVERY_CLIENT_TYPE, min_version, max_version ) header = struct.pack( '>HHH', DISCOVERY_REQUEST, len(payload), version ) return header + payload @staticmethod def parse_discovery_response(data): """Parse console's discovery response.""" pos = 0 # Header # pkt_type, payload_len, version = struct.unpack_from( # '>HHH', # data, pos # ) pos += 6 # Payload flags, type_, name_len = struct.unpack_from( '>IHH', data, pos ) pos += 8 name = data[pos:pos + name_len] pos += name_len + 1 # including null terminator uuid_len = struct.unpack_from( '>H', data, pos )[0] pos += 2 uuid = data[pos:pos + uuid_len] pos += uuid_len + 1 # including null terminator last_error, cert_len = struct.unpack_from( '>IH', data, pos ) pos += 6 cert = data[pos:pos + cert_len] return { 'device_type': type_, 'flags': flags, 'name': name.decode('utf-8'), 'uuid': uuid.decode('utf-8'), 'last_error': last_error, 'certificate': binascii.hexlify(cert).decode('utf-8') } def scan(self): """Scan the network.""" self.update() def all(self): """Scan and return all found entries.""" self.scan() return self.entries @staticmethod def verify_packet(data): """Parse packet if it has correct magic""" if len(data) < 2: return None pkt_type = struct.unpack_from('>H', data)[0] if pkt_type != DISCOVERY_RESPONSE: return None return XboxSmartGlass.parse_discovery_response(data) def update(self): """Scan network for Xbox SmartGlass 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.sendto(self._discovery_payload, (DISCOVERY_ADDRESS_BCAST, DISCOVERY_PORT)) sock.sendto(self._discovery_payload, (DISCOVERY_ADDRESS_MCAST, DISCOVERY_PORT)) while True: try: data, (address, _) = sock.recvfrom(1024) response = self.verify_packet(data) if response: entries.append((address, response)) except socket.timeout: break self.entries = entries sock.close() def main(): """Test XboxOne discovery.""" from pprint import pprint xbsmartglass = XboxSmartGlass() pprint("Scanning for Xbox One SmartGlass consoles devices..") xbsmartglass.update() pprint(xbsmartglass.entries) if __name__ == "__main__": main()