def main():
# Construct a sample FibEntry message using the structure in fib_entry_pb2
# which was produced by protoc.
message = fib_entry_pb2.FibEntryMessage()
message.fib_entry.name.component.append(b"ndn")
message.fib_entry.name.component.append(b"ucla")
nextHopRecord = message.fib_entry.next_hop_records.add()
nextHopRecord.face_id = 16
nextHopRecord.cost = 1
# Encode the Protobuf message object as TLV.
encoding = ProtobufTlv.encode(message)
decodedMessage = fib_entry_pb2.FibEntryMessage()
ProtobufTlv.decode(decodedMessage, encoding)
dump("Re-decoded FibEntry:")
# This should print the same values that we put in message above.
value = ""
value += ProtobufTlv.toName(
decodedMessage.fib_entry.name.component).toUri()
value += " nexthops = {"
for next_hop_record in decodedMessage.fib_entry.next_hop_records:
value += ("faceid=" + repr(next_hop_record.face_id) + " (cost=" +
repr(next_hop_record.cost) + ")")
value += " }"
dump(value)
def printFibEntries(encodedMessage):
"""
This is called when all the segments are received to decode the
encodedMessage as repeated TLV FibEntry messages and display the values.
:param Blob encodedMessage: The repeated TLV-encoded FibEntry.
"""
fibEntryMessage = fib_entry_pb2.FibEntryMessage()
ProtobufTlv.decode(fibEntryMessage, encodedMessage)
dump("FIB:")
for fibEntry in fibEntryMessage.fib_entry:
line = ""
line += ProtobufTlv.toName(fibEntry.name.component).toUri()
# Show the routes.
for nexthop in fibEntry.next_hop_records:
line += (" NextHopRecord={faceId=" + str(nexthop.face_id) +
" cost=" + str(nexthop.cost))
line += ")}"
dump(line)