def __init__(self, *args, **kwargs):
super(MultipathController, self).__init__(*args, **kwargs)
# Random ethertype to evaluate latency
self.PROBE_ETHERTYPE = 0x07C7
# Set to true once there is enoough informatio
# to start multipath computation
self.network_is_measured = False
# Maximum delay imbalance to use a reordering buffer
# Example 25ms,50ms = |(25/75)-0.5| = 0.16
self.MDI_REORDERING_THRESHOLD = 0.2
# Maximum delay imbalance threshold for not using multipath
self.MDI_DROP_THRESHOLD = 0.25
# Minimum available capacity a path needs to be used in B/s
self.MIN_MULTIPATH_CAPACITY = 1000
# Maximum paths allowed for a multipath flow
self.MAX_PATHS_PER_MULTIPATH_FLOW = 2
# Recalculates bucket only on addition or failures in the topology
self.UPDATE_FORWARDING_ON_TOPOLOGY_CHANGE_ONLY = False
# Used for REST APIs
wsgi = kwargs['wsgi']
wsgi.register(MultipathRestController, {API_INSTANCE_NAME: self})
# Holds the topology data and structure
self.topo_shape = NetworkTopology(self)
def __init__(self, *args, **kwargs):
super(MultipathController, self).__init__(*args, **kwargs)
# Random ethertype to evaluate latency
self.PROBE_ETHERTYPE = 0x07C7
# Set to true once there is enoough informatio
# to start multipath computation
self.network_is_measured = False
# Maximum delay imbalance to use a reordering buffer
# Example 25ms,50ms = |(25/75)-0.5| = 0.16
self.MDI_REORDERING_THRESHOLD = 0.2
# Maximum delay imbalance threshold for not using multipath
self.MDI_DROP_THRESHOLD = 0.25
# If this value is changed in the configuration, the path setup
# algorithm is halted if a path has more hops to the destination
# than this limit.
# If left -1, MDI_DROP will be used instead!
# It is suited for L2 Networks where link delays will be
# very similar
self.MAX_HOP_DIFFERENCE = -1
# Minimum available capacity a path needs to be used in B/s
self.MIN_MULTIPATH_CAPACITY = 100
# Maximum paths allowed for a multipath flow
self.MAX_PATHS_PER_MULTIPATH_FLOW = 2
# Recalculates bucket only on addition or failures in the topology
self.UPDATE_FORWARDING_ON_TOPOLOGY_CHANGE_ONLY = False
# Recomputes forwarding continuously reardless of congestion/failures
self.UPDATE_FORWARDING_CONTINOUSLY = False
# High priority
self.PRIORITY_PROBE_PACKETS = 65000
# Monitoring frequency for port stats.
self.MONITORING_PORT_STATS_FREQUENCY = 5
self.MONITORING_PORT_STATS = False
# Used for REST APIs
wsgi = kwargs['wsgi']
wsgi.register(MultipathRestController, {API_INSTANCE_NAME: self})
# Holds the topology data and structure
self.topo_shape = NetworkTopology(self)
def topology(self):
network = str(self.txtNetwork_tab3.text())
dem = str(self.txtDEM_tab3.text())
NetworkTopology(network, dem)
self.close()
