VOL-1097 : Ofagent integration for voltha 2.0
- Created a common location for python based components
- Adjusted the ofagent component to interact with voltha 2.0
- Added streaming rpc methods for rcv/send of packets to voltha api
- Adjusted voltha.proto
Change-Id: I47fb7b80878ead060b4b42bd16cb4f8aa384fdb6
diff --git a/python/ofagent/loxi/of13/util.py b/python/ofagent/loxi/of13/util.py
new file mode 100644
index 0000000..e88d022
--- /dev/null
+++ b/python/ofagent/loxi/of13/util.py
@@ -0,0 +1,146 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+# Copyright (c) 2011, 2012 Open Networking Foundation
+# Copyright (c) 2012, 2013 Big Switch Networks, Inc.
+# See the file LICENSE.pyloxi which should have been included in the source distribution
+# Automatically generated by LOXI from template util.py
+# Do not modify
+
+import struct
+import loxi
+import const
+import common
+import action
+import instruction
+import oxm
+import action_id
+import instruction_id
+import meter_band
+
+def pretty_mac(mac):
+ return ':'.join(["%02x" % x for x in mac])
+
+def pretty_ipv4(v):
+ return "%d.%d.%d.%d" % ((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF)
+
+def pretty_flags(v, flag_names):
+ set_flags = []
+ for flag_name in flag_names:
+ flag_value = getattr(const, flag_name)
+ if v & flag_value == flag_value:
+ set_flags.append(flag_name)
+ elif v & flag_value:
+ set_flags.append('%s&%#x' % (flag_name, v & flag_value))
+ v &= ~flag_value
+ if v:
+ set_flags.append("%#x" % v)
+ return '|'.join(set_flags) or '0'
+
+
+def pretty_port(v):
+ named_ports = [(k,v2) for (k,v2) in const.__dict__.iteritems() if k.startswith('OFPP_')]
+ for (k, v2) in named_ports:
+ if v == v2:
+ return k
+ return v
+
+def pack_port_no(value):
+ return struct.pack("!L", value)
+
+def unpack_port_no(reader):
+ return reader.read("!L")[0]
+
+def pack_fm_cmd(value):
+ return struct.pack("!B", value)
+
+def unpack_fm_cmd(reader):
+ return reader.read("!B")[0]
+
+def init_wc_bmap():
+ return 0
+
+def pack_wc_bmap(value):
+ return struct.pack("!Q", value)
+
+def unpack_wc_bmap(reader):
+ return reader.read("!Q")[0]
+
+def init_match_bmap():
+ return 0
+
+def pack_match_bmap(value):
+ return struct.pack("!Q", value)
+
+def unpack_match_bmap(reader):
+ return reader.read("!Q")[0]
+
+MASK64 = (1 << 64) - 1
+
+def pack_bitmap_128(value):
+ x = 0l
+ for y in value:
+ x |= 1 << y
+ return struct.pack("!QQ", (x >> 64) & MASK64, x & MASK64)
+
+def unpack_bitmap_128(reader):
+ hi, lo = reader.read("!QQ")
+ x = (hi << 64) | lo
+ i = 0
+ value = set()
+ while x != 0:
+ if x & 1 == 1:
+ value.add(i)
+ i += 1
+ x >>= 1
+ return value
+
+def pack_bitmap_512(value):
+ words = [0] * 8
+ for v in value:
+ assert v < 512
+ words[7-v/64] |= 1 << (v % 64)
+ return struct.pack("!8Q", *words)
+
+def unpack_bitmap_512(reader):
+ words = reader.read("!8Q")
+ x = 0l
+ for word in words:
+ x <<= 64
+ x |= word
+ i = 0
+ value = set()
+ while x != 0:
+ if x & 1 == 1:
+ value.add(i)
+ i += 1
+ x >>= 1
+ return value
+
+def pack_checksum_128(value):
+ return struct.pack("!QQ", (value >> 64) & MASK64, value & MASK64)
+
+def unpack_checksum_128(reader):
+ hi, lo = reader.read("!QQ")
+ return (hi << 64) | lo
+
+def bitmap_to_version(bitmaps):
+ versions = [i * 32 + shift
+ for i, bitmap in enumerate(bitmaps)
+ for shift in range(31) if bitmap & (1 << shift)]
+ return versions
+
+def verify_version_support(msg,version_list):
+ version_list_sup = bitmap_to_version([msg.elements[0].bitmaps[0].value])
+ return any(i in version_list_sup for i in version_list)