def test_construct(self):
total = bytes.fromhex(
"7EA02C02232110AF9FE6E600601DA109060760857405080101BE10040E01000000065F1F0400001E1DFFFFC5E47E"
)
information_part = bytes.fromhex(
"E6E600601DA109060760857405080101BE10040E01000000065F1F0400001E1DFFFF"
)
server_address = address.HdlcAddress(logical_address=1,
physical_address=17,
address_type="server")
# Public client
client_address = address.HdlcAddress(logical_address=16,
physical_address=None,
address_type="client")
frame = frames.InformationFrame(
destination_address=server_address,
source_address=client_address,
payload=information_part,
send_sequence_number=0,
receive_sequence_number=0,
segmented=False,
final=True,
)
print(total)
print(frame.to_bytes())
assert frame.to_bytes() == total
def test_contruct(self):
total = bytes.fromhex(
"7EA0382102233034E7E6E7006129A109060760857405080101A203020100A305A103020100BE10040E0800065F1F0400001E1D04C80007B86A7E"
)
information_part = bytes.fromhex(
"E6E7006129A109060760857405080101A203020100A305A103020100BE10040E0800065F1F0400001E1D04C80007"
)
server_address = address.HdlcAddress(logical_address=1,
physical_address=17,
address_type="server")
# Public client
client_address = address.HdlcAddress(logical_address=16,
physical_address=None,
address_type="client")
frame = frames.InformationFrame(
destination_address=client_address,
source_address=server_address,
payload=information_part,
send_sequence_number=0,
receive_sequence_number=1,
segmented=False,
final=True,
)
print(f"length = {frame.frame_length} :: {len(frame.to_bytes())}")
print(total.hex())
print(frame.to_bytes().hex())
assert frame.to_bytes() == total
def generate_information_frame(self, payload: bytes, segmented: bool,
final: bool) -> frames.InformationFrame:
return frames.InformationFrame(
destination_address=self.server_hdlc_address,
source_address=self.client_hdlc_address,
payload=payload,
send_sequence_number=self.hdlc_connection.server_ssn,
receive_sequence_number=self.hdlc_connection.server_rsn,
segmented=segmented,
final=final,
)