src/plugins/memif/test/vpp_memif.py

   1 import socket
   2 from ipaddress import IPv4Network
   3
   4 import six
   5
   6 from vpp_object import VppObject
   7 from vpp_papi import VppEnum
   8
   9
  10 def get_if_dump(dump, sw_if_index):
  11     for d in dump:
  12         if (d.sw_if_index == sw_if_index):
  13             return d
  14
  15
  16 def query_all_memif_vpp_config(_test):
  17     return _test.vapi.memif_dump()
  18
  19
  20 def remove_all_memif_vpp_config(_test):
  21     dump = _test.vapi.memif_dump()
  22     for d in dump:
  23         _test.vapi.memif_delete(d.sw_if_index)
  24     dump = _test.vapi.memif_socket_filename_dump()
  25     for d in dump:
  26         if d.socket_id != 0:
  27             _test.vapi.memif_socket_filename_add_del(
  28                 0, d.socket_id, d.socket_filename)
  29
  30
  31 class VppSocketFilename(VppObject):
  32     def __init__(self, test, socket_id, socket_filename,
  33                  add_default_folder=False):
  34         self._test = test
  35         self.socket_id = socket_id
  36         self.socket_filename = socket_filename
  37
  38         # if True insert default socket folder before socket filename,
  39         # after adding vpp config
  40         self.add_default_folder = add_default_folder
  41
  42     def add_vpp_config(self):
  43         rv = self._test.vapi.memif_socket_filename_add_del(
  44             1, self.socket_id, self.socket_filename)
  45         if self.add_default_folder:
  46             self.socket_filename = "%s/%s" % (self._test.tempdir,
  47                                               self.socket_filename)
  48         return rv
  49
  50     def remove_vpp_config(self):
  51         return self._test.vapi.memif_socket_filename_add_del(
  52             0, self.socket_id, self.socket_filename)
  53
  54     def query_vpp_config(self):
  55         return self._test.vapi.memif_socket_filename_dump()
  56
  57     def object_id(self):
  58         return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
  59
  60
  61 class VppMemif(VppObject):
  62     def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
  63                  socket_id=0, secret="", ring_size=0, buffer_size=0,
  64                  hw_addr=""):
  65         self._test = test
  66         self.role = role
  67         self.mode = mode
  68         self.rx_queues = rx_queues
  69         self.tx_queues = tx_queues
  70         self.if_id = if_id
  71         self.socket_id = socket_id
  72         self.secret = secret
  73         self.ring_size = ring_size
  74         self.buffer_size = buffer_size
  75         self.hw_addr = hw_addr
  76         self.sw_if_index = None
  77         self.ip_prefix = IPv4Network("192.168.%d.%d/24" %
  78                                      (self.if_id + 1, self.role + 1),
  79                                      strict=False)
  80
  81     def add_vpp_config(self):
  82         rv = self._test.vapi.memif_create(
  83             role=self.role,
  84             mode=self.mode,
  85             rx_queues=self.rx_queues,
  86             tx_queues=self.tx_queues,
  87             id=self.if_id,
  88             socket_id=self.socket_id,
  89             secret=self.secret,
  90             ring_size=self.ring_size,
  91             buffer_size=self.buffer_size,
  92             hw_addr=self.hw_addr)
  93         try:
  94             self.sw_if_index = rv.sw_if_index
  95         except AttributeError:
  96             # rv doesn't have .sw_if_index attribute
  97             raise AttributeError("%s %s" % (self, rv))
  98
  99         return self.sw_if_index
 100
 101     def admin_up(self):
 102         if self.sw_if_index:
 103             return self._test.vapi.sw_interface_set_flags(
 104                 sw_if_index=self.sw_if_index, flags=1)
 105
 106     def admin_down(self):
 107         if self.sw_if_index:
 108             return self._test.vapi.sw_interface_set_flags(
 109                 sw_if_index=self.sw_if_index, flags=0)
 110
 111     def wait_for_link_up(self, timeout, step=1):
 112         if not self.sw_if_index:
 113             return False
 114         while True:
 115             dump = self.query_vpp_config()
 116             f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP
 117             if dump.flags & f:
 118                 return True
 119             self._test.sleep(step)
 120             timeout -= step
 121             if timeout <= 0:
 122                 return False
 123
 124     def config_ip4(self):
 125         return self._test.vapi.sw_interface_add_del_address(
 126             sw_if_index=self.sw_if_index, prefix=self.ip_prefix)
 127
 128     def remove_vpp_config(self):
 129         self._test.vapi.memif_delete(self.sw_if_index)
 130         self.sw_if_index = None
 131
 132     def query_vpp_config(self):
 133         if not self.sw_if_index:
 134             return None
 135         dump = self._test.vapi.memif_dump()
 136         return get_if_dump(dump, self.sw_if_index)
 137
 138     def object_id(self):
 139         if self.sw_if_index:
 140             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 141         else:
 142             return "%d:%d:None" % (self.role, self.if_id)