def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# initialize the forwarding table to empty.
# This may need to be updated if a different topology is used.
self.fwd_table = {}
self.fwd_table['1'] = {}
self.fwd_table['2'] = {}
self.fwd_table['3'] = {}
self.fwd_table['4'] = {}
self.fwd_table['5'] = {}
# only use one flood instance - this is the default policy
self.flood = flood()
# get the first packet from each new MAC address on a switch
new_pkts = packets(1, ['dstmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.push_rules()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# TODO: Initialize your forwarding tables. Create this however you wish.
# Couple of suggestions: Dictionary of dictionaries, Dictionary of
# tuples.
self.forward_table = {}
self.forward_table['1'] = {}
self.forward_table['2'] = {}
self.forward_table['3'] = {}
self.forward_table['4'] = {}
self.forward_table['5'] = {}
# only use one flood instance - this is the default policy when there
# isn't a known path.
self.flood = flood()
# Get the first packet from each new MAC address on a switch. This
# is how we are able to learn new routes.
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.build_policy()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# TODO: Initialize your forwarding tables. Create this however you wish.
# Couple of suggestions: Dictionary of dictionaries, Dictionary of
# tuples.
self.forwardTable = []
self.forwardTable = [(1, "00:00:00:00:00:01", 3),
(1, "00:00:00:00:00:02", 2)]
# only use one flood instance - this is the default policy when there
# isn't a known path.
self.flood = flood()
# Get the first packet from each new MAC address on a switch. This
# is how we are able to learn new routes.
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.build_policy()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# TODO: Initialize your forwarding tables. Create this however you wish.
# Couple of suggestions: Dictionary of dictionaries, Dictionary of
# tuples.
# initialize the forwarding table to empty.
# base on the learn-swtch-topo, it has s1->s5
self.forward_table = {}
# the s1-s5 switch fw table
self.forward_table[1] = {}
self.forward_table[2] = {}
self.forward_table[3] = {}
self.forward_table[4] = {}
self.forward_table[5] = {}
# only use one flood instance - this is the default policy when there
# isn't a known path.
self.flood = flood()
# Get the first packet from each new MAC address on a switch. This
# is how we are able to learn new routes.
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.build_policy()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# initialize the forwarding table to empty.
# This may need to be updated if a different topology is used.
self.fwd_table = {}
self.fwd_table['1'] = {}
self.fwd_table['2'] = {}
self.fwd_table['3'] = {}
self.fwd_table['4'] = {}
self.fwd_table['5'] = {}
# only use one flood instance - this is the default policy
self.flood = flood()
# get the first packet from each new MAC address on a switch
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.push_rules()
def reset(self):
# policy = self.cls(self.kwargs)
# print type(policy)
# print policy
# self.policy = policy
self.policy = query.packets(limit=1, group_by=['srcmac', 'switch'])
# print type(self.policy)
# print self.policy
self.policy.register_callback(self.callback)
def reset(self):
# policy = self.cls(self.kwargs)
# print type(policy)
# print policy
# self.policy = policy
self.policy = query.packets(limit=1,group_by=['srcmac','switch'])
# print type(self.policy)
# print self.policy
self.policy.register_callback(self.callback)
def set_policy(self):
# This is the default policy for the firwall switch. Non-DNS packets
# get forwarded automatically, DNS packets go through the student code.
non_dns_traffic = ~match(ethtype=2048, protocol=17, srcport = 53) >> ~match(ethtype=2048, protocol=17, dstport = 53) >> flood()
# Getting all DNS traffic.
dnspkts = packets(None, ['srcmac'])
dnspkts.register_callback(self.dns_callback)
dns_inbound = match(ethtype=2048, protocol=17, srcport = 53) >> dnspkts
dns_outbound = match(ethtype=2048, protocol=17, dstport = 53) >> dnspkts
# Compose the subpolicies for Non-DNS traffic and for capturing the
# DNS traffic and forwarding to the appropriate locations
# self.policy is a special variable.
self.policy = non_dns_traffic + dns_inbound + dns_outbound
def set_policy(self):
# This is the default policy for the firwall switch. Non-DNS packets
# get forwarded automatically, DNS packets go through the student code.
non_dns_traffic = ~match(ethtype=2048, protocol=17, srcport = 53) >> ~match(ethtype=2048, protocol=17, dstport = 53) >> flood()
# Getting all DNS traffic.
dnspkts = packets(None, ['srcmac'])
dnspkts.register_callback(self.dns_callback)
dns_inbound = match(ethtype=2048, protocol=17, srcport = 53) >> dnspkts
dns_outbound = match(ethtype=2048, protocol=17, dstport = 53) >> dnspkts
# Compose the subpolicies for Non-DNS traffic and for capturing the
# DNS traffic and forwarding to the appropriate locations
# self.policy is a special variable.
self.policy = non_dns_traffic + dns_inbound + dns_outbound
def __init__(self):
DynamicPolicy.__init__(self)
# Initialize the forwarding table
self.fwd_table = {}
# Use flooding at first
self.flood = flood()
# Get the first packet from each new MAC address on a switch
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.push_rules()
def __init__(self):
DynamicPolicy.__init__(self)
# Initialize the forwarding table
self.fwd_table = {}
# Use flooding at first
self.flood = flood()
# Get the first packet from each new MAC address on a switch
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.push_rules()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# Initialize logfile
init_log("learning-switch.log") # Do NOT edit this line
# TODO: Initialize your forwarding tables. Create this however you wish.
# Couple of suggestions: Dictionary of dictionaries, Dictionary of
# tuples.
self.forwardingTable = {}
# NOTE: (Python tip) if you create a variable like this...
# foo = 42
# that will be a local variable, only accessible in this function.
#
# But if you create a variable like this...
# self.foo = 42
# that will be a class member that is accessible from other class
# methods (functions), such as build_policy(), but remember to use
# "self" *every* time you access it, or you'll access a local variable
# instead of the class member!
# Only use one flood instance - this is the default policy when there
# isn't a known path.
self.flood = flood()
# Get the first packet from each new MAC address on a switch. This
# is how we are able to learn new routes.
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.build_policy()
def __init__(self):
""" Initialization of the Learning Switch. The important piece
is the definition of the switch mapping. This is a nested
dictionary. """
# Initialize the parent class
super(LearningSwitch, self).__init__()
# Initialize logfile
init_log("learning-switch.log") # Do NOT edit this line
# TODO: Initialize your forwarding tables. Create this however you wish.
# Couple of suggestions: Dictionary of dictionaries, Dictionary of
# tuples.
# NOTE: (Python tip) if you create a variable like this...
# foo = 42
# that will be a local variable, only accessible in this function.
#
# But if you create a variable like this...
# self.foo = 42
# that will be a class member that is accessible from other class
# methods (functions), such as build_policy(), but remember to use
# "self" *every* time you access it, or you'll access a local variable
# instead of the class member!
# Only use one flood instance - this is the default policy when there
# isn't a known path.
self.flood = flood()
# Get the first packet from each new MAC address on a switch. This
# is how we are able to learn new routes.
new_pkts = packets(1, ['srcmac', 'switch'])
new_pkts.register_callback(self.learn_route)
self.query = new_pkts
# Initialize the policy
self.build_policy()
