def test_aarq_makes_dlms_waiting_for_aare():
s = state.DlmsConnectionState()
s.process_event(
acse.ApplicationAssociationRequestApdu(
user_information=UserInformation(
InitiateRequestApdu(proposed_conformance=Conformance())
)
)
)
assert s.current_state == state.AWAITING_ASSOCIATION_RESPONSE
def test_encode_no_ciphering_high_security(self):
data = b"`6\xa1\t\x06\x07`\x85t\x05\x08\x01\x01\x8a\x02\x07\x80\x8b\x07`\x85t\x05\x08\x02\x05\xac\n\x80\x08K56iVagY\xbe\x10\x04\x0e\x01\x00\x00\x00\x06_\x1f\x04\x00\x00~\x1f\x04\xb0"
aarq = ApplicationAssociationRequest(
system_title=None,
public_cert=None,
authentication=enumerations.AuthenticationMechanism.HLS_GMAC,
ciphered=False,
authentication_value=b"K56iVagY",
user_information=UserInformation(
content=InitiateRequest(
proposed_conformance=Conformance(
general_protection=False,
general_block_transfer=False,
delta_value_encoding=False,
attribute_0_supported_with_set=False,
priority_management_supported=True,
attribute_0_supported_with_get=True,
block_transfer_with_get_or_read=True,
block_transfer_with_set_or_write=True,
block_transfer_with_action=True,
multiple_references=True,
data_notification=False,
access=False,
get=True,
set=True,
selective_access=True,
event_notification=True,
action=True,
),
proposed_quality_of_service=0,
client_max_receive_pdu_size=1200,
proposed_dlms_version_number=6,
response_allowed=True,
dedicated_key=None,
)
),
calling_ae_invocation_identifier=None,
called_ap_title=None,
called_ae_qualifier=None,
called_ap_invocation_identifier=None,
called_ae_invocation_identifier=None,
calling_ap_invocation_identifier=None,
implementation_information=None,
)
assert aarq.to_bytes() == data
def test_no_ciher_hls_ok(self):
data = bytes.fromhex(
"6142A109060760857405080101A203020100A305A10302010E88020780890760857405080205AA0A8008503677524A323146BE10040E0800065F1F040000501F01F40007"
)
aare = acse.ApplicationAssociationResponse(
result=enumerations.AssociationResult.ACCEPTED,
result_source_diagnostics=enumerations.AcseServiceUserDiagnostics.AUTHENTICATION_REQUIRED,
ciphered=False,
authentication=enumerations.AuthenticationMechanism.HLS_GMAC,
public_cert=None,
system_title=None,
authentication_value=b"P6wRJ21F",
user_information=UserInformation(
content=InitiateResponse(
negotiated_conformance=Conformance(
general_protection=False,
general_block_transfer=False,
delta_value_encoding=False,
attribute_0_supported_with_set=False,
priority_management_supported=True,
attribute_0_supported_with_get=False,
block_transfer_with_get_or_read=True,
block_transfer_with_set_or_write=False,
block_transfer_with_action=False,
multiple_references=False,
data_notification=False,
access=False,
get=True,
set=True,
selective_access=True,
event_notification=True,
action=True,
),
server_max_receive_pdu_size=500,
negotiated_dlms_version_number=6,
negotiated_quality_of_service=0,
)
),
implementation_information=None,
responding_ap_invocation_id=None,
responding_ae_invocation_id=None,
)
assert aare.to_bytes() == data
def test_decode(self):
resulting_bytes = bytes.fromhex(
"601DA109060760857405080101BE10040E01000000065F1F0400001E1DFFFF"
)
aarq = ApplicationAssociationRequest(
ciphered=False,
system_title=None,
public_cert=None,
authentication=None,
authentication_value=None,
user_information=UserInformation(
content=InitiateRequest(
proposed_conformance=Conformance(
general_protection=False,
general_block_transfer=False,
delta_value_encoding=False,
attribute_0_supported_with_set=False,
priority_management_supported=False,
attribute_0_supported_with_get=False,
block_transfer_with_get_or_read=True,
block_transfer_with_set_or_write=True,
block_transfer_with_action=True,
multiple_references=True,
data_notification=False,
access=False,
get=True,
set=True,
selective_access=True,
event_notification=False,
action=True,
),
proposed_quality_of_service=0,
client_max_receive_pdu_size=65535,
proposed_dlms_version_number=6,
response_allowed=True,
dedicated_key=None,
)
),
)
assert aarq.to_bytes() == resulting_bytes
with client as c:
aarq = ApplicationAssociationRequest(user_information=UserInformation(
content=InitiateRequest(
proposed_conformance=Conformance(
general_protection=False,
general_block_transfer=False,
delta_value_encoding=False,
attribute_0_supported_with_set=False,
priority_management_supported=False,
attribute_0_supported_with_get=False,
block_transfer_with_get_or_read=True,
block_transfer_with_set_or_write=True,
block_transfer_with_action=True,
multiple_references=True,
data_notification=False,
access=False,
get=True,
set=True,
selective_access=True,
event_notification=False,
action=True,
),
client_max_receive_pdu_size=65535,
proposed_quality_of_service=0,
proposed_dlms_version_number=6,
response_allowed=True,
dedicated_key=None,
)))
response = client.send(aarq.to_bytes())