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authorOle Troan <ot@cisco.com>2018-12-17 12:02:26 +0100
committerNeale Ranns <nranns@cisco.com>2018-12-18 11:54:24 +0000
commit8006c6aa425126529b4017768a9201e4f03964ad (patch)
tree7b7342e6fb4964a5c8ca65c3d13d8dcc980f120d /src/vpp-api/python/vpp_papi/macaddress.py
parent02782d6ebd13ce02f2d3facebb54fec3c2137c88 (diff)
PAPI: Add MACAddress object wrapper for vl_api_mac_address_t
Change the definition of vl_api_mac_address_t to an aliased type. Change-Id: I1434f316d0fad6a099592f39bceeb8faeaf1d134 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vpp-api/python/vpp_papi/macaddress.py')
-rw-r--r--src/vpp-api/python/vpp_papi/macaddress.py54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/vpp-api/python/vpp_papi/macaddress.py b/src/vpp-api/python/vpp_papi/macaddress.py
new file mode 100644
index 00000000000..a1003812003
--- /dev/null
+++ b/src/vpp-api/python/vpp_papi/macaddress.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import binascii
+
+
+def mac_pton(s):
+ '''Convert MAC address as text to binary'''
+ return binascii.unhexlify(s.replace(':', ''))
+
+
+def mac_ntop(binary):
+ '''Convert MAC address as binary to text'''
+ x = b':'.join(binascii.hexlify(binary)[i:i + 2]
+ for i in range(0, 12, 2))
+ return str(x.decode('ascii'))
+
+
+class MACAddress():
+ def __init__(self, mac):
+ '''MAC Address as a text-string (aa:bb:cc:dd:ee:ff) or 6 bytes'''
+ # Of course Python 2 doesn't distinguish str from bytes
+ if type(mac) is bytes and len(mac) == 6:
+ self.mac_binary = mac
+ self.mac_string = mac_ntop(mac)
+ else:
+ self.mac_binary = mac_pton(mac)
+ self.mac_string = mac
+
+ @property
+ def packed(self):
+ return self.mac_binary
+
+ def __len__(self):
+ return 6
+
+ def __str__(self):
+ return self.mac_string
+
+ def __repr__(self):
+ return '%s(%s)' % (self.__class__.__name__, self.mac_string)