def parseConferenceCreateResponse(
self, stream: BytesIO) -> GCCConferenceCreateResponsePDU:
"""
Parse ConferenceCreateResponse data into a GCCPDU
:param stream: byte stream containing the PDU data
"""
nodeID = Uint16BE.unpack(stream.read(2)) + 1001
tag = per.readInteger(stream)
result = per.readEnumeration(stream)
userDataCount = per.readNumberOfSet(stream)
if userDataCount != 1:
raise ParsingError("Expected user data count to be 1, got %d" %
userDataCount)
userDataType = per.readChoice(stream)
if userDataType != 0xc0:
raise ParsingError(
"Expected user data type to be 0xc0 (h221NonStandard), got %d"
% userDataType)
key = per.readOctetStream(stream, 4)
if key != GCCParser.H221_SERVER_KEY:
raise ParsingError("Expected user data key to be %s, got %s" %
(GCCParser.H221_SERVER_KEY, key))
payload = per.readOctetStream(stream)
return GCCConferenceCreateResponsePDU(nodeID, tag, result, payload)
def parseErectDomainRequest(self, stream: BytesIO) -> MCSErectDomainRequestPDU:
"""
Parse an Erect Domain Request PDU
:param stream: stream containing the data
"""
subHeight = 1
subInterval = 1
try:
# Windows generally does not seem to care about invalid erect domain requests, so use default values if
# parsing fails.
subHeight = per.readInteger(stream)
subInterval = per.readInteger(stream)
except ValueError:
pass
payload = stream.read()
return MCSErectDomainRequestPDU(subHeight, subInterval, payload)