def find_used_tn_vlans():
tn_vlans = dict()
slice_monitoring = [
p for p in db_sync_manager.get_slice_monitoring_info()
]
for slice_mon in slice_monitoring:
if slice_mon is not None:
slice_mon_tree = etree.fromstring(slice_mon)
#slice_mon_tree.xpath("link//link_type[contains(@name, '%s')]" % ("virtual_link"))
#slice_mon_tree.xpath("link_type[@name='%s']" % ("tn"))
#slice_mon_tree.xpath("topology_list//topology//link_type[@name='%s']" % ("tn"))
tn_link = slice_mon_tree.xpath(
"topology//link[@type='tn'][contains(@id, 'urn')]")
if tn_link is None:
break
# Retrieve SRC and DST STP endpoints and their associated VLAN
link_id = tn_link[0].get("id")
urn_reg = "urn.*(urn.*)\?vlan=(\d{1,4})-(urn.*)\?vlan=(\d{1,4})+.*"
groups_reg = re.match(urn_reg, link_id)
urn_src, vlan_src, urn_dst, vlan_dst = [
groups_reg.group(i) for i in xrange(1, 5)
]
if urn_src not in tn_vlans:
tn_vlans[urn_src] = set([vlan_src])
else:
tn_vlans[urn_src].add(vlan_src)
if urn_dst not in tn_vlans:
tn_vlans[urn_dst] = set([vlan_dst])
else:
tn_vlans[urn_dst].add(vlan_dst)
return tn_vlans
def send_topology(self, monitoring_server):
# retrieve slice info from db (the info are already formatted!)
slices = db_sync_manager.get_slice_monitoring_info()
logger.debug("Slices: %d" % (len(slices),))
for s in slices:
self.__topologies = etree.fromstring(s)
self.send()
def find_used_tn_vlans():
tn_vlans = dict()
slice_monitoring = [ p for p in db_sync_manager.get_slice_monitoring_info() ]
for slice_mon in slice_monitoring:
if slice_mon is not None:
slice_mon_tree = etree.fromstring(slice_mon)
#slice_mon_tree.xpath("link//link_type[contains(@name, '%s')]" % ("virtual_link"))
#slice_mon_tree.xpath("link_type[@name='%s']" % ("tn"))
#slice_mon_tree.xpath("topology_list//topology//link_type[@name='%s']" % ("tn"))
tn_link = slice_mon_tree.xpath("topology//link[@type='tn'][contains(@id, 'urn')]")
if tn_link is None:
break
# Retrieve SRC and DST STP endpoints and their associated VLAN
link_id = tn_link[0].get("id")
urn_reg = "urn.*(urn.*)\?vlan=(\d{1,4})-(urn.*)\?vlan=(\d{1,4})+.*"
groups_reg = re.match(urn_reg, link_id)
urn_src, vlan_src, urn_dst, vlan_dst = [ groups_reg.group(i) for i in xrange(1,5) ]
if urn_src not in tn_vlans:
tn_vlans[urn_src] = set([vlan_src])
else:
tn_vlans[urn_src].add(vlan_src)
if urn_dst not in tn_vlans:
tn_vlans[urn_dst] = set([vlan_dst])
else:
tn_vlans[urn_dst].add(vlan_dst)
return tn_vlans
