def on_message_from_bottom(self, eventobj: Event):
msg = eventobj.eventcontent
hdr = msg.header
payload = msg.payload
if hdr.messageto == self.componentinstancenumber or hdr.messageto == MessageDestinationIdentifiers.NETWORKLAYERBROADCAST: # Add if broadcast....
self.send_up(Event(self, EventTypes.MFRB, payload))
print(
f"I received a message to {hdr.messageto} and I am {self.componentinstancenumber}"
)
else:
destination = hdr.messageto
nexthop = Topology().get_next_hop(self.componentinstancenumber,
destination)
if nexthop != float('inf'):
newhdr = NetworkLayerMessageHeader(
NetworkLayerMessageTypes.NETMSG,
self.componentinstancenumber, destination, nexthop)
newpayload = eventobj.eventcontent.payload
msg = GenericMessage(newhdr, newpayload)
self.send_down(Event(self, EventTypes.MFRT, msg))
print(
f"{self.componentinstancenumber} will FORWARD a message to {destination} over {nexthop}"
)
else:
print(
f"NO PATH {self.componentinstancenumber} will NOT FORWARD a message to {destination} over {nexthop}"
)
def on_message_from_bottom(self, eventobj: Event):
self.recvcnt = self.recvcnt + 1
self.sentcnt = eventobj.eventcontent.payload
print(f"{self.recvcnt / self.sentcnt}")
# print(nx.adjacency_matrix(Topology().G).todense())
# print("Progress {:2.2}".format(self.recvcnt/self.sentcnt), end="\r")
Topology().shortest_path_to_all(self.componentinstancenumber)
def main():
topo = Topology()
topo.construct_single_node(Node, 0)
topo.start()
while True:
pass
def main():
# G = nx.Graph()
# G.add_nodes_from([1, 2])
# G.add_edges_from([(1, 2)])
# nx.draw(G, with_labels=True, font_weight='bold')
# plt.draw()
G = nx.random_geometric_graph(19, 0.5)
topo = Topology()
topo.construct_from_graph(G, AdHocNode, P2PFIFOFairLossChannel)
for ch in topo.channels:
topo.channels[ch].setPacketLossProbability(random.random())
topo.channels[ch].setAverageNumberOfDuplicates(0)
ComponentRegistry().print_components()
topo.start()
topo.plot()
plt.show() # while (True): pass
print(topo.nodecolors)
def on_message_from_top(self, eventobj: Event):
# Encapsulate the SDU in network layer PDU
applmsg = eventobj.eventcontent
destination = applmsg.header.messageto
nexthop = Topology().get_next_hop(self.componentinstancenumber,
destination)
if nexthop != float('inf'):
print(
f"{self.componentinstancenumber} will SEND a message to {destination} over {nexthop}"
)
hdr = NetworkLayerMessageHeader(NetworkLayerMessageTypes.NETMSG,
self.componentinstancenumber,
destination, nexthop)
payload = eventobj.eventcontent
msg = GenericMessage(hdr, payload)
self.send_down(Event(self, EventTypes.MFRT, msg))
else:
print(
f"NO PATH: {self.componentinstancenumber} will NOTSEND a message to {destination} over {nexthop}"
)
def main():
topo = Topology()
topo.construct_sender_receiver(Sender, Receiver, P2PFIFOFairLossChannel)
nx.draw(topo.G, with_labels=True, font_weight='bold')
plt.draw()
topo.channels["0-1"].setPacketLossProbability(0.1)
topo.channels["0-1"].setAverageNumberOfDuplicates(0)
# topo.computeForwardingTable()
topo.start()
plt.show()
while (True):
pass #plt.show() handles this
def main():
# G = nx.Graph()
# G.add_nodes_from([1, 2])
# G.add_edges_from([(1, 2)])
# nx.draw(G, with_labels=True, font_weight='bold')
# plt.draw()
G = nx.random_geometric_graph(19, 0.5)
nx.draw(G, with_labels=True, font_weight='bold')
plt.draw()
topo = Topology()
topo.construct_from_graph(G, AdHocNode, P2PFIFOPerfectChannel)
topo.start()
plt.show() # while (True): pass
while (True):
pass
def main():
# G: nx.Graph= nx.random_geometric_graph(5, 0.5, seed=3)
# G: nx.Graph = nx.random_geometric_graph(14, 0.4, seed=1)
# G: nx.Graph = nx.random_geometric_graph(15, 0.4, seed=3)
# G: nx.Graph = nx.random_geometric_graph(20, 0.4, seed=3)
# G: nx.Graph = nx.random_geometric_graph(10, 0.5, seed=3)
# G: nx.Graph = nx.random_geometric_graph(30, 0.35, seed=3)
# G: nx.Graph = nx.random_geometric_graph(6, 0.6, seed=3)
G: nx.Graph = nx.random_geometric_graph(40, 0.25)
for (u, v) in G.edges:
G.get_edge_data(u, v)['weight'] = random.randint(1, len(G.nodes)) # u + v + u * v # TODO
topo = Topology()
topo.construct_from_graph(G, Node, NodeChannel)
topo.start()
drawGraph(G, isTopologyGraph=True)
while True:
userInput = input("\nUser Command:\n")
processUserCommand(userInput, topo)
def update_topology(self):
Topology().nodecolors[self.componentinstancenumber] = 'r'
Topology().plot()