from nessi.devices import NIC from nessi.dlc import FullDuplexPhy, PointToPointDL from nessi.media import PtPLink from nessi.media import ErrorPtPLink from nessi.checksums import * try: import psyco psyco.full() except ImportError: pass # --------------------------------------------------------------------------- # Create the network goodlink = PtPLink() badlink = ErrorPtPLink() hosts = [] # Create two nodes for i in range(2): h = Host() h.hostname = "host" + str(i) # On each node, create two interfaces, eth0 and eth1 for j in range(2): niu = NIC() h.addDevice(niu, "eth" + str(j)) niu.addProtocol(FullDuplexPhy(), "phy") niu.addProtocol(PointToPointDL(), "dl") # eth0 is attached to the errored link, eth1 to the error-free link h.eth0.attachToMedium(badlink, 100.0 * i) h.eth1.attachToMedium(goodlink, 10.0 * i) # The good link is shorter
from nessi.devices import NIC from nessi.dlc import FullDuplexPhy, PointToPointDL from nessi.media import PtPLink from nessi.media import ErrorPtPLink from nessi.checksums import * try: import psyco psyco.full() except ImportError: pass # --------------------------------------------------------------------------- # Create the network goodlink = PtPLink() badlink = ErrorPtPLink() hosts=[] # Create two nodes for i in range(2): h = Host() h.hostname = "host"+str(i) # On each node, create two interfaces, eth0 and eth1 for j in range(2): niu = NIC() h.addDevice(niu,"eth"+str(j)) niu.addProtocol(FullDuplexPhy(), "phy") niu.addProtocol(PointToPointDL(), "dl") # eth0 is attached to the errored link, eth1 to the error-free link h.eth0.attachToMedium(badlink, 100.0*i) h.eth1.attachToMedium(goodlink, 10.0*i) # The good link is shorter
from nessi.simulator import * from nessi.nodes import Host from nessi.media import ErrorPtPLink from nessi.devices import NIC from nessi.dlc import FullDuplexPhy from nessi.arq import StopAndGoDL, GoBackNDL, SelectiveRepeatDL from nessi.trafficgen import DLFlooder, TrafficSink try: import psyco psyco.full() except ImportError: pass # --------------------------------------------------------------------------- # Create the network link = ErrorPtPLink() hosts = [] # Create two nodes for i in range(2): h = Host() h.hostname = "host" + str(i + 1) niu = NIC() h.addDevice(niu, "eth0") niu.addProtocol(FullDuplexPhy(), "phy") niu.addProtocol(StopAndGoDL(), "dl") # CHANGE HERE FOR A DIFFERENT ARQ h.eth0.attachToMedium(link, 1000000.0 * i) # Length: 1000 km hosts.append(h) # For convenience, use short variable names for the hosts h1, h2 = hosts