import socket
from ipaddress import IPv4Network
from vpp_object import VppObject
from vpp_papi import VppEnum
def get_if_dump(dump, sw_if_index):
for d in dump:
if d.sw_if_index == sw_if_index:
return d
def query_all_memif_vpp_config(_test):
return _test.vapi.memif_dump()
def remove_all_memif_vpp_config(_test):
dump = _test.vapi.memif_dump()
for d in dump:
_test.vapi.memif_delete(d.sw_if_index)
dump = _test.vapi.memif_socket_filename_dump()
for d in dump:
if d.socket_id != 0:
_test.vapi.memif_socket_filename_add_del(0, d.socket_id, d.socket_filename)
class VppSocketFilename(VppObject):
def __init__(self, test, socket_id, socket_filename, add_default_folder=False):
self._test = test
self.socket_id = socket_id
self.socket_filename = socket_filename
# if True insert default socket folder before socket filename,
# after adding vpp config
self.add_default_folder = add_default_folder
def add_vpp_config(self):
rv = self._test.vapi.memif_socket_filename_add_del(
1, self.socket_id, self.socket_filename
)
if self.add_default_folder:
self.socket_filename = "%s/%s" % (self._test.tempdir, self.socket_filename)
return rv
def remove_vpp_config(self):
return self._test.vapi.memif_socket_filename_add_del(
0, self.socket_id, self.socket_filename
)
def query_vpp_config(self):
return self._test.vapi.memif_socket_filename_dump()
def object_id(self):
return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
class VppMemif(VppObject):
def __init__(
self,
test,
role,
mode,
rx_queues=0,
tx_queues=0,
if_id=0,
socket_id=0,
secret="",
ring_size=0,
buffer_size=0,
hw_addr="",
):
self._test = test
self.role = role
self.mode = mode
self.rx_queues = rx_queues
self.tx_queues = tx_queues
self.if_id = if_id
self.socket_id = socket_id
self.secret = secret
self.ring_size = ring_size
self.buffer_size = buffer_size
self.hw_addr = hw_addr
self.sw_if_index = None
self.ip_prefix = IPv4Network(
"192.168.%d.%d/24" % (self.if_id + 1, self.role + 1), strict=False
)
def add_vpp_config(self):
rv = self._test.vapi.memif_create(
role=self.role,
mode=self.mode,
rx_queues=self.rx_queues,
tx_queues=self.tx_queues,
id=self.if_id,
socket_id=self.socket_id,
secret=self.secret,
ring_size=self.ring_size,
buffer_size=self.buffer_size,
hw_addr=self.hw_addr,
)
try:
self.sw_if_index = rv.sw_if_index
except AttributeError:
# rv doesn't have .sw_if_index attribute
raise AttributeError("%s %s" % (self, rv))
return self.sw_if_index
def admin_up(self):
if self.sw_if_index:
return self._test.vapi.sw_interface_set_flags(
sw_if_index=self.sw_if_index, flags=1
)
def admin_down(self):
if self.sw_if_index:
return self._test.vapi.sw_interface_set_flags(
sw_if_index=self.sw_if_index, flags=0
)
def wait_for_link_up(self, timeout, step=1):
if not self.sw_if_index:
return False
while True:
dump = self.query_vpp_config()
f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP
if dump.flags & f:
return True
self._test.sleep(step)
timeout -= step
if timeout <= 0:
return False
def config_ip4(self):
return self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.sw_if_index, prefix=self.ip_prefix
)
def remove_vpp_config(self):
self._test.vapi.memif_delete(self.sw_if_index)
self.sw_if_index = None
def query_vpp_config(self):
if not self.sw_if_index:
return None
dump = self._test.vapi.memif_dump()
return get_if_dump(dump, self.sw_if_index)
def object_id(self):
if self.sw_if_index:
return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
else:
return "%d:%d:None" % (self.role, self.if_id)