Update app.py

app.py

@@ -5,12 +5,7 @@ import plotly.express as px
 from datetime import datetime, timedelta
 from prophet import Prophet
 import networkx as nx
-from ryu.base import app_manager
-from ryu.controller import ofp_event
-from ryu.controller.handler import MAIN_DISPATCHER, set_ev_cls
-from ryu.ofproto import ofproto_v1_3
-from ryu.lib.packet import packet, ethernet
-from gevent import event
+from eventlet import event
 
 # Generate synthetic data
 def generate_data():
@@ -60,36 +55,6 @@ def sdn_load_balancer(network_graph, demand_predictions):
         shortest_paths[school] = nx.shortest_path(network_graph, source='Central_Node', target=school)
     return shortest_paths
 
-# SDN Controller Class
-class SimpleSwitch13(app_manager.RyuApp):
-    OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]
-
-    def __init__(self, *args, **kwargs):
-        super(SimpleSwitch13, self).__init__(*args, **kwargs)
-        self.mac_to_port = {}
-
-    @set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
-    def packet_in_handler(self, ev):
-        msg = ev.msg
-        datapath = msg.datapath
-        ofproto = datapath.ofproto
-        parser = datapath.ofproto_parser
-        in_port = msg.match['in_port']
-
-        pkt = packet.Packet(msg.data)
-        eth = pkt.get_protocol(ethernet.ethernet)
-        dst = eth.dst
-        src = eth.src
-
-        if dst in self.mac_to_port:
-            out_port = self.mac_to_port[dst]
-        else:
-            out_port = ofproto.OFPP_FLOOD
-
-        actions = [parser.OFPActionOutput(out_port)]
-        out = parser.OFPPacketOut(datapath=datapath, buffer_id=msg.buffer_id, in_port=in_port, actions=actions, data=msg.data)
-        datapath.send_msg(out)
-
 # Create a simple network topology
 graph = nx.Graph()