def __init__(self, env_config, silent=True):
if not silent:
load_logging_config()
self.envParser = EnvParser(env_config)
if self.envParser.ip4_prefix:
self.prefix = IpPrefixes(ip4_prefix=self.envParser.ip4_prefix)
else:
self.prefix = IpPrefixes(ip6_prefix=self.envParser.ip6_prefix)
self.nodes = {} # pc nodes
self.networks = [] # switches nodes
# create emulator instance for creating sessions and utility methods
self.coreemu = CoreEmu()
self.session = self.coreemu.create_session()
# must be in configuration state for nodes to start, when using "node_add" below
self.session.set_state(EventTypes.CONFIGURATION_STATE)
# create nodes
for node in self.envParser.nodes:
self.nodes[int(node["id"])] = {"obj": self.session.add_node(_type=NodeTypes.DEFAULT), "nets": [],
"ip": None, "curr_net": None}
# create networks
for net in self.envParser.networks:
self.networks.append(self.session.add_node(_type=NodeTypes.SWITCH))
for node in net["nodes"]:
interface = self.prefix.create_interface(self.nodes[node["id"]]["obj"],
name=self.envParser.dev_prefix + str(net["id"]))
self.nodes[node["id"]]["ip"] = self.prefix.ip4_address(self.nodes[node["id"]]["obj"])
self.session.add_link(self.nodes[node["id"]]["obj"].id, self.networks[-1].id, interface_one=interface)
self.nodes[node["id"]]["nets"].append({
"net": net["id"]
})
# certs
shutil.rmtree('certs', True)
self.__create_root_ca()
for node in self.nodes:
self.__create_node_cert(node)
# instantiate session
self.start()
#
# run iperf to measure the effective throughput between two nodes when
# n nodes are connected to a virtual wlan; run test for testsec
# and repeat for minnodes <= n <= maxnodes with a step size of
# nodestep
import datetime
from builtins import range
import parser
from core import load_logging_config
from core.emulator.coreemu import CoreEmu
from core.emulator.emudata import IpPrefixes
from core.emulator.enumerations import NodeTypes, EventTypes
load_logging_config()
def example(options):
# ip generator for example
prefixes = IpPrefixes(ip4_prefix="10.83.0.0/16")
# create emulator instance for creating sessions and utility methods
coreemu = CoreEmu()
session = coreemu.create_session()
# must be in configuration state for nodes to start, when using "node_add" below
session.set_state(EventTypes.CONFIGURATION_STATE)
# create switch network node
switch = session.add_node(_type=NodeTypes.SWITCH)