+
+ @staticmethod
+ def parse_memif_dump_data(memif_data):
+ """Convert Memif data to dictionary.
+
+ :param memif_data: Dump of Memif interfaces data.
+ :type memif_data: str
+ :returns: Memif interfaces data in dictionary.
+ :rtype: dict
+ :raises RuntimeError: If there is no memif interface name found in
+ provided data.
+ """
+ memif_name = None
+ memif_dict = dict()
+ memif_data = str(memif_data)
+ values = dict()
+
+ clutter = ['vat#']
+ for garbage in clutter:
+ memif_data = memif_data.replace(garbage, '')
+
+ for line in memif_data.splitlines():
+ if line.startswith('Sending') or len(line) == 0:
+ continue
+ elif line.startswith('memif'):
+ if memif_name:
+ memif_dict[memif_name] = values
+ line_split = line.split(':', 1)
+ memif_name = str(line_split[0])
+ values = dict()
+ line = line_split[1]
+ line_split = line.split()
+ for i in range(0, len(line_split), 2):
+ key = str(line_split[i])
+ try:
+ value = line_split[i+1]
+ except IndexError:
+ value = None
+ values[key] = value
+ if memif_name:
+ memif_dict[memif_name] = values
+ else:
+ raise RuntimeError('No memif interface name found')
+
+ return memif_dict
+
+ @staticmethod
+ def vpp_get_memif_interface_name(node, sw_if_idx):
+ """Get Memif interface name from Memif interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Memif interface name.
+ :rtype: str
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('memif_dump.vat')
+ memif_data = Memif.parse_memif_dump_data(vat.vat_stdout)
+ for item in memif_data:
+ if memif_data[item]['sw_if_index'] == str(sw_if_idx):
+ return item
+ return None
+
+ @staticmethod
+ def vpp_get_memif_interface_mac(node, sw_if_idx):
+ """Get Memif interface MAC address from Memif interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Memif interface MAC address.
+ :rtype: str
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('memif_dump.vat')
+ memif_data = Memif.parse_memif_dump_data(vat.vat_stdout)
+ for item in memif_data:
+ if memif_data[item]['sw_if_index'] == str(sw_if_idx):
+ return memif_data[item].get('mac', None)
+
+ @staticmethod
+ def vpp_get_memif_interface_socket(node, sw_if_idx):
+ """Get Memif interface socket path from Memif interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Memif interface socket path.
+ :rtype: str
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('memif_dump.vat')
+ memif_data = Memif.parse_memif_dump_data(vat.vat_stdout)
+ for item in memif_data:
+ if memif_data[item]['sw_if_index'] == str(sw_if_idx):
+ return memif_data[item].get('socket', None)
+
+ @staticmethod
+ def vpp_get_memif_interface_id(node, sw_if_idx):
+ """Get Memif interface ID from Memif interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Memif interface ID.
+ :rtype: int
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('memif_dump.vat')
+ memif_data = Memif.parse_memif_dump_data(vat.vat_stdout)
+ for item in memif_data:
+ if memif_data[item]['sw_if_index'] == str(sw_if_idx):
+ return int(memif_data[item].get('id', None))
+
+ @staticmethod
+ def vpp_get_memif_interface_role(node, sw_if_idx):
+ """Get Memif interface role from Memif interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Memif interface role.
+ :rtype: int
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('memif_dump.vat')
+ memif_data = Memif.parse_memif_dump_data(vat.vat_stdout)
+ for item in memif_data:
+ if memif_data[item]['sw_if_index'] == str(sw_if_idx):
+ return memif_data[item].get('role', None)