def __add_vlink_info(self, topology_tag, ep_src, ep_dst, link_type=None):
# Virtual link differs w.r.t. a normal link
# in that those have:
# 1) ID (slice name and ID for virtual link)
# 2) End-to-end SDN-SDN or SDN-TN link interfaces
# 3) (TODO - Ideally) C-SDN link
logger.debug("add_vlink_info: epsrc=%s, epdst=%s, type=%s" %
(ep_src, ep_dst, link_type))
self.__add_link_info(topology_tag, ep_src, ep_dst, link_type)
slice_name = MonitoringUtils.find_slice_name(self.__topologies)
vlink_ids = MonitoringUtils.find_virtual_links(self.__topologies)
ids_used = []
max_vl_id = 0
try:
link_prefix = ":end_link_"
for vlink_id in vlink_ids:
idx = vlink_id.find(link_prefix) + len(link_prefix)
ids_used.append(int(vlink_id[idx]))
max_vl_id = max(ids_used)+1
except:
pass
vlink_id = "%s%s%s" % (slice_name, link_prefix, max_vl_id)
topology_tag.attrib["id"] = vlink_id
def __add_vlink_name(self, vlink_tag, index):
# the vlink name should be composed of the slicename and a suffix
slice_name = MonitoringUtils.find_slice_name(self.__topologies)
vlink_id = "%s%s%s" % (slice_name, ":end_link_", index)
logger.debug("vlink name: %s" % (vlink_id))
vlink_tag.attrib["id"] = vlink_id