def load_topology_dpids(self):
"""
Gets all DPIDs and datapath names from the
topology.
"""
topo = TopoReader().get_topology()
try:
for switch in topo['switches']:
for dpid in topo['switches'][switch]['dpids']:
self.add_dpid(dpid, TopoReader().get_datapath_name(dpid))
self.active = True
except KeyError:
pass
def print_link_status(self, dpid, port, alert=False):
"""
Now, just print the OESS link detected. The idea of this method
is to generate alarms when time different from the moment packet
is seen by ofp_sniffer with the time packet was sent is over
many seconds.
Args:
dpid: source DPID in the OESS message
port: source port in the OESS message
alert: print only warning and critical
"""
link = self.links[dpid][port]
timestamp = str(datetime.fromtimestamp(link['timestamp']))
topo_link = TopoReader().get_link_aliases(dpid,
port,
link['remote'],
link['port'],
option="Full")
source_dpid = TopoReader().get_datapath_name(dpid)
if timedelta(seconds=CRITICAL) > link['diff'] > timedelta(
seconds=WARN):
link['diff'] = str(link['diff']) + ' <-- Warning!'
alert = True
elif link['diff'] > timedelta(seconds=CRITICAL):
link['diff'] = str(link['diff']) + ' <-- Critical!'
alert = True
if alert:
if len(topo_link) > 0:
self.print_header(True)
print(self.layout % (topo_link, source_dpid, timestamp,
link['last_seen'], link['diff']))
else:
self.print_header()
print('%-24s %-4s %-24s %-4s %s\t %s\t %s' %
(dpid, port, link['remote'], link['port'], timestamp,
link['last_seen'], link['diff']))
def __init__(self):
self.printing_options = PrintingOptions()
self.sanitizer = Sanitizer()
self.oft = None
self.stats = None
self.cap = None
self.packet_number = None
self.load_apps = []
self.packet_count = 1
self.topo_reader = TopoReader()
self.ofp_proxy = None
self.load_config()
def __init__(self):
self.printing_options = PrintingOptions()
self.sanitizer = Sanitizer()
self.oft = None
self.stats = None
self.influx = None
self.notifications = None
self.trigger_event = threading.Event()
self.cap = None
self.packet_number = None
self.load_apps = dict()
self.packet_count = 1
self.topo_reader = TopoReader()
self.save_to_file = None
self.ofp_proxy = None
self.load_config()
def get_topology():
return TopoReader().get_json_topology()