def setUp(self):
self.parser: DefaultNFNParser = DefaultNFNParser()
synced_data_struct_factory = PiCNSyncDataStructFactory()
synced_data_struct_factory.register("cs", ContentStoreMemoryExact)
synced_data_struct_factory.register(
"fib", ForwardingInformationBaseMemoryPrefix)
synced_data_struct_factory.register("pit",
PendingInterstTableMemoryExact)
synced_data_struct_factory.register("computation_table",
NFNComputationList)
synced_data_struct_factory.register("faceidtable", FaceIDDict)
synced_data_struct_factory.create_manager()
cs = synced_data_struct_factory.manager.cs()
fib = synced_data_struct_factory.manager.fib()
pit = synced_data_struct_factory.manager.pit()
faceidtable = synced_data_struct_factory.manager.faceidtable()
self.r2cclient = TimeoutR2CHandler()
parser = DefaultNFNParser()
comp_table = synced_data_struct_factory.manager.computation_table(
self.r2cclient, parser)
self.optimizer: MapReduceOptimizer = MapReduceOptimizer(
cs, fib, pit, faceidtable)
def __init__(self, name: Name, id: int=0, interest: Interest=None, ast: AST=None, r2cclient: BaseR2CHandler=None,
parser: DefaultNFNParser=DefaultNFNParser()):
self.original_name: Name = name # original name of the computation
self.id = id
self.interest = interest
self.ast: AST = ast
self.r2cclient: BaseR2CHandler = r2cclient if r2cclient is not None else TimeoutR2CHandler() # r2c clients used for ageing
self.awaiting_data: List[NFNAwaitListEntry] = [] # data that are awaited by the computation
self.available_data: Dict[Name, Content] = {} # data that are required and now available
self.rewrite_list: List[Name] = [] # list of all possible rewrites
self.parser = parser
self.comp_state: NFNComputationState = NFNComputationState.START # marker where to continue this computation after requests
self.time_stamp = time.time() # time at which the computation was started
self.timeout = 4.0 #timeout before a request expires
def setUp(self):
#setup icn_layer
synced_data_struct_factory = PiCNSyncDataStructFactory()
synced_data_struct_factory.register("cs", ContentStoreMemoryExact)
synced_data_struct_factory.register(
"fib", ForwardingInformationBaseMemoryPrefix)
synced_data_struct_factory.register("pit",
PendingInterstTableMemoryExact)
synced_data_struct_factory.register("computation_table",
NFNComputationList)
synced_data_struct_factory.register("faceidtable", FaceIDDict)
synced_data_struct_factory.create_manager()
cs = synced_data_struct_factory.manager.cs()
fib = synced_data_struct_factory.manager.fib()
pit = synced_data_struct_factory.manager.pit()
faceidtable = synced_data_struct_factory.manager.faceidtable()
self.r2cclient = TimeoutR2CHandler()
parser = DefaultNFNParser()
comp_table = synced_data_struct_factory.manager.computation_table(
self.r2cclient, parser)
self.executor = {"PYTHON": NFNPythonExecutor()}
self.nfn_layer = BasicNFNLayer(cs,
fib,
pit,
faceidtable,
comp_table,
self.executor,
parser,
self.r2cclient,
log_level=255)
self.nfn_layer.queue_to_lower = multiprocessing.Queue()
self.nfn_layer.queue_from_lower = multiprocessing.Queue()
def setUp(self):
self.r2cclient = TimeoutR2CHandler()
self.computationList: NFNComputationList = NFNComputationList(self.r2cclient, DefaultNFNParser())
def __init__(self,
port=9000,
log_level=255,
encoder: BasicEncoder = None,
interfaces: List[BaseInterface] = None,
executors: BaseNFNExecutor = None,
ageing_interval: int = 3,
use_thunks=False):
# debug level
logger = Logger("NFNForwarder", log_level)
logger.info("Start PiCN NFN Forwarder on port " + str(port))
# packet encoder
if encoder is None:
self.encoder = SimpleStringEncoder(log_level=log_level)
else:
encoder.set_log_level(log_level)
self.encoder = encoder
# setup data structures
synced_data_struct_factory = PiCNSyncDataStructFactory()
synced_data_struct_factory.register("cs", ContentStoreMemoryExact)
synced_data_struct_factory.register(
"fib", ForwardingInformationBaseMemoryPrefix)
synced_data_struct_factory.register("pit",
PendingInterstTableMemoryExact)
synced_data_struct_factory.register("faceidtable", FaceIDDict)
synced_data_struct_factory.register("computation_table",
NFNComputationList)
synced_data_struct_factory.register("timeoutprevention_dict",
TimeoutPreventionMessageDict)
if use_thunks:
synced_data_struct_factory.register("thunktable", ThunkList)
synced_data_struct_factory.register("plantable", PlanTable)
synced_data_struct_factory.create_manager()
cs = synced_data_struct_factory.manager.cs()
fib = synced_data_struct_factory.manager.fib()
pit = synced_data_struct_factory.manager.pit()
faceidtable = synced_data_struct_factory.manager.faceidtable()
self.parser = DefaultNFNParser()
if use_thunks:
thunktable = synced_data_struct_factory.manager.thunktable()
plantable = synced_data_struct_factory.manager.plantable(
self.parser)
#setup chunkifier
self.chunkifier = SimpleContentChunkifyer()
# default interface
if interfaces is not None:
self.interfaces = interfaces
mgmt_port = port
else:
interfaces = [UDP4Interface(port)]
mgmt_port = interfaces[0].get_port()
# initialize layers
self.linklayer = BasicLinkLayer(interfaces,
faceidtable,
log_level=log_level)
self.packetencodinglayer = BasicPacketEncodingLayer(
self.encoder, log_level=log_level)
self.icnlayer = BasicICNLayer(log_level=log_level,
ageing_interval=ageing_interval)
self.chunklayer = BasicChunkLayer(self.chunkifier, log_level=log_level)
# setup nfn
self.icnlayer._interest_to_app = True
if executors is None:
self.executors = {"PYTHON": NFNPythonExecutor()}
else:
self.executors = executors
self.r2cclient = TimeoutR2CHandler()
comp_table = synced_data_struct_factory.manager.computation_table(
self.r2cclient, self.parser)
self.nfnlayer = BasicNFNLayer(cs,
fib,
pit,
faceidtable,
comp_table,
self.executors,
self.parser,
self.r2cclient,
log_level=log_level)
if use_thunks:
self.thunk_layer = BasicThunkLayer(cs,
fib,
pit,
faceidtable,
thunktable,
plantable,
self.parser,
log_level=log_level)
self.nfnlayer.optimizer = ThunkPlanExecutor(
cs, fib, pit, faceidtable, plantable)
timeoutprevention_dict = synced_data_struct_factory.manager.timeoutprevention_dict(
)
self.timeoutpreventionlayer = BasicTimeoutPreventionLayer(
timeoutprevention_dict, comp_table, pit=pit, log_level=log_level)
if use_thunks:
self.lstack: LayerStack = LayerStack([
self.nfnlayer, self.chunklayer, self.timeoutpreventionlayer,
self.thunk_layer, self.icnlayer, self.packetencodinglayer,
self.linklayer
])
else:
self.lstack: LayerStack = LayerStack([
self.nfnlayer, self.chunklayer, self.timeoutpreventionlayer,
self.icnlayer, self.packetencodinglayer, self.linklayer
])
self.icnlayer.cs = cs
self.icnlayer.fib = fib
self.icnlayer.pit = pit
# mgmt
self.mgmt = Mgmt(self.icnlayer.cs,
self.icnlayer.fib,
self.icnlayer.pit,
self.linklayer,
mgmt_port,
self.stop_forwarder,
log_level=log_level)
def setUp(self):
self.r2cClient = TimeoutR2CHandler()