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[vsorcdistro/.git] / ryu / build / lib.linux-armv7l-2.7 / ryu / lib / xflow / netflow.py

diff --git a/ryu/build/lib.linux-armv7l-2.7/ryu/lib/xflow/netflow.py b/ryu/build/lib.linux-armv7l-2.7/ryu/lib/xflow/netflow.py
new file mode 100644 (file)
index 0000000..f41a9f5
--- /dev/null
+++ b/ryu/build/lib.linux-armv7l-2.7/ryu/lib/xflow/netflow.py
@@ -0,0 +1,125 @@
+# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
+#
+# 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 struct
+
+NETFLOW_V1 = 0x01
+NETFLOW_V5 = 0x05
+NETFLOW_V6 = 0x06
+NETFLOW_V7 = 0x07
+NETFLOW_V8 = 0x08
+NETFLOW_V9 = 0x09
+
+
+class NetFlow(object):
+    _PACK_STR = '!H'
+    _NETFLOW_VERSIONS = {}
+
+    @staticmethod
+    def register_netflow_version(version):
+        def _register_netflow_version(cls):
+            NetFlow._NETFLOW_VERSIONS[version] = cls
+            return cls
+        return _register_netflow_version
+
+    def __init__(self):
+        super(NetFlow, self).__init__()
+
+    @classmethod
+    def parser(cls, buf):
+        (version,) = struct.unpack_from(cls._PACK_STR, buf)
+
+        cls_ = cls._NETFLOW_VERSIONS.get(version, None)
+        if cls_:
+            return cls_.parser(buf)
+        else:
+            return None
+
+
+@NetFlow.register_netflow_version(NETFLOW_V5)
+class NetFlowV5(object):
+    _PACK_STR = '!HHIIIIBBH'
+    _MIN_LEN = struct.calcsize(_PACK_STR)
+
+    def __init__(self, version, count, sys_uptime, unix_secs,
+                 unix_nsecs, flow_sequence, engine_type, engine_id,
+                 sampling_interval, flows=None):
+        self.version = version
+        self.count = count
+        self.sys_uptime = sys_uptime
+        self.unix_secs = unix_secs
+        self.unix_nsecs = unix_nsecs
+        self.flow_sequence = flow_sequence
+        self.engine_type = engine_type
+        self.engine_id = engine_id
+        self.sampling_interval = sampling_interval
+
+    @classmethod
+    def parser(cls, buf):
+        (version, count, sys_uptime, unix_secs, unix_nsecs,
+         flow_sequence, engine_type, engine_id, sampling_interval) = \
+            struct.unpack_from(cls._PACK_STR, buf)
+
+        msg = cls(version, count, sys_uptime, unix_secs, unix_nsecs,
+                  flow_sequence, engine_type, engine_id,
+                  sampling_interval)
+        offset = cls._MIN_LEN
+        msg.flows = []
+        while len(buf) > offset:
+            f = NetFlowV5Flow.parser(buf, offset)
+            offset += NetFlowV5Flow._MIN_LEN
+            msg.flows.append(f)
+
+        return msg
+
+
+class NetFlowV5Flow(object):
+    _PACK_STR = '!IIIHHIIIIHHxBBBHHBB2x'
+    _MIN_LEN = struct.calcsize(_PACK_STR)
+
+    def __init__(self, srcaddr, dstaddr, nexthop, input_, output,
+                 dpkts, doctets, first, last, srcport, dstport,
+                 tcp_flags, prot, tos, src_as, dst_as, src_mask,
+                 dst_mask):
+        self.srcaddr = srcaddr
+        self.dstaddr = dstaddr
+        self.nexthop = nexthop
+        self.input = input_
+        self.output = output
+        self.dpkts = dpkts
+        self.doctets = doctets
+        self.first = first
+        self.last = last
+        self.srcport = srcport
+        self.dstport = dstport
+        self.tcp_flags = tcp_flags
+        self.prot = prot
+        self.tos = tos
+        self.src_as = src_as
+        self.dst_as = dst_as
+        self.src_mask = src_mask
+        self.dst_mask = dst_mask
+
+    @classmethod
+    def parser(cls, buf, offset):
+        (srcaddr, dstaddr, nexthop, input_, output, dpkts, doctets,
+         first, last, srcport, dstport, tcp_flags, prot, tos, src_as,
+         dst_as, src_mask, dst_mask) = struct.unpack_from(
+            cls._PACK_STR, buf, offset)
+        msg = cls(srcaddr, dstaddr, nexthop, input_, output, dpkts,
+                  doctets, first, last, srcport, dstport, tcp_flags,
+                  prot, tos, src_as, dst_as, src_mask, dst_mask)
+
+        return msg