def add_link_data(
link_proto: core_pb2.Link
) -> Tuple[InterfaceData, InterfaceData, LinkOptions, LinkTypes]:
"""
Convert link proto to link interfaces and options data.
:param link_proto: link proto
:return: link interfaces and options
"""
iface1_data = link_iface(link_proto.iface1)
iface2_data = link_iface(link_proto.iface2)
link_type = LinkTypes(link_proto.type)
options = LinkOptions()
options_proto = link_proto.options
if options_proto:
options.delay = options_proto.delay
options.bandwidth = options_proto.bandwidth
options.loss = options_proto.loss
options.dup = options_proto.dup
options.jitter = options_proto.jitter
options.mer = options_proto.mer
options.burst = options_proto.burst
options.mburst = options_proto.mburst
options.unidirectional = options_proto.unidirectional
options.key = options_proto.key
return iface1_data, iface2_data, options, link_type
def read_links(self) -> None:
link_elements = self.scenario.find("links")
if link_elements is None:
return
node_sets = set()
for link_element in link_elements.iterchildren():
node1_id = get_int(link_element, "node1")
if node1_id is None:
node1_id = get_int(link_element, "node_one")
node2_id = get_int(link_element, "node2")
if node2_id is None:
node2_id = get_int(link_element, "node_two")
node_set = frozenset((node1_id, node2_id))
iface1_element = link_element.find("iface1")
if iface1_element is None:
iface1_element = link_element.find("interface_one")
iface1_data = None
if iface1_element is not None:
iface1_data = create_iface_data(iface1_element)
iface2_element = link_element.find("iface2")
if iface2_element is None:
iface2_element = link_element.find("interface_two")
iface2_data = None
if iface2_element is not None:
iface2_data = create_iface_data(iface2_element)
options_element = link_element.find("options")
options = LinkOptions()
if options_element is not None:
options.bandwidth = get_int(options_element, "bandwidth")
options.burst = get_int(options_element, "burst")
options.delay = get_int(options_element, "delay")
options.dup = get_int(options_element, "dup")
options.mer = get_int(options_element, "mer")
options.mburst = get_int(options_element, "mburst")
options.jitter = get_int(options_element, "jitter")
options.key = get_int(options_element, "key")
options.loss = get_float(options_element, "loss")
if options.loss is None:
options.loss = get_float(options_element, "per")
options.unidirectional = get_int(options_element,
"unidirectional")
options.buffer = get_int(options_element, "buffer")
if options.unidirectional == 1 and node_set in node_sets:
logging.info("updating link node1(%s) node2(%s)", node1_id,
node2_id)
self.session.update_link(node1_id, node2_id, iface1_data.id,
iface2_data.id, options)
else:
logging.info("adding link node1(%s) node2(%s)", node1_id,
node2_id)
self.session.add_link(node1_id, node2_id, iface1_data,
iface2_data, options)
node_sets.add(node_set)