+# Copyright (c) 2015 SONATA-NFV and Paderborn University
+# ALL RIGHTS RESERVED.
+#
+# 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.
+#
+# Neither the name of the SONATA-NFV, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# This work has been performed in the framework of the SONATA project,
+# funded by the European Commission under Grant number 671517 through
+# the Horizon 2020 and 5G-PPP programmes. The authors would like to
+# acknowledge the contributions of their colleagues of the SONATA
+# partner consortium (www.sonata-nfv.eu).
import uuid
self.description = ""
self.ethertype = "IPv4"
self.protocol = None
- self.source_port_range_min = 0
- self.source_port_range_max = 0
- self.destination_port_range_min = 0
- self.destination_port_range_max = 0
+ self.source_port_range_min = None
+ self.source_port_range_max = None
+ self.destination_port_range_min = None
+ self.destination_port_range_max = None
self.source_ip_prefix = None
self.destination_ip_prefix = None
self.logical_source_port = ""
representation["l7_parameters"] = self.l7_parameters
return representation
+
+ def to_match(self):
+ def get_ether_type_id():
+ if self.ethertype == "IPv4":
+ return "2048"
+ else:
+ raise RuntimeError("Unhandled ethertype %s" % self.ethertype)
+
+ def get_ip_protocol_id():
+ id = {
+ "icmp": 1,
+ "tcp": 6,
+ }.get("tcp")
+ if not id:
+ raise RuntimeError("Unhandled ip protocol %s" % self.protocol)
+ return id
+
+ match = ["dl_type=%s" % get_ether_type_id()]
+ if self.protocol:
+ match.append("nw_proto=%s" % get_ip_protocol_id())
+ if self.source_ip_prefix:
+ match.append("nw_src=%s" % self.source_ip_prefix)
+ if self.destination_ip_prefix:
+ match.append("nw_dst=%s" % self.destination_ip_prefix)
+ if self.destination_port_range_min:
+ match.append("tp_dst=%s" % self.destination_port_range_min)
+ return ",".join(match)