"""Vhost-user interfaces library."""
-from resources.libraries.python.VatExecutor import VatExecutor
+from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
class VhostUser(object):
else:
raise RuntimeError('Create Vhost-user interface failed on node '
'"{}"'.format(node['host']))
+
+ @staticmethod
+ def get_vhost_user_if_name_by_sock(node, socket):
+ """Get Vhost-user interface name by socket.
+
+ :param node: Node to get Vhost-user interface name on.
+ :param socket: Vhost-user interface socket path.
+ :type node: dict
+ :type socket: str
+ :return: Interface name or None if not found.
+ :rtype: str
+ """
+ for interface in node['interfaces'].values():
+ if interface.get('socket') == socket:
+ return interface.get('name')
+ return None
+
+ @staticmethod
+ def get_vhost_user_mac_by_sw_index(node, sw_if_index):
+ """Get Vhost-user l2_address for the given interface from actual
+ interface dump.
+
+ :param node: VPP node to get interface data from.
+ :param sw_if_index: Idx of the specific interface.
+ :type node: dict
+ :type sw_if_index: str
+ :return: l2_address of the given interface.
+ :rtype: str
+ """
+
+ with VatTerminal(node) as vat:
+ if_data = vat.vat_terminal_exec_cmd_from_template(
+ "interface_dump.vat")
+ for iface in if_data[0]:
+ if iface["sw_if_index"] == sw_if_index:
+ return ':'.join("%02x" % (b) for b in iface["l2_address"][:6])
+
+ return None
+
+ @staticmethod
+ def vpp_show_vhost(node):
+ """Get vhost-user data for the given node.
+
+ :param node: VPP node to get interface data from.
+ :type node: dict
+ :return: nothing
+ """
+ vat = VatExecutor()
+ vat.execute_script("show_vhost.vat", node, json_out=False)