1 # Copyright 2023 highstreet technologies GmbH
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 A Class representing an O-RAN centralized unit (ORanCu)
19 and at the same time a location for an O-Cloud resource pool
21 from typing import overload
22 from model.python.cube import Cube
23 from model.python.hexagon import Hex
24 import model.python.hexagon as Hexagon
25 from model.python.o_ran_cloud_du import ORanCloudDu
26 from model.python.tower import Tower
27 from model.python.o_ran_object import IORanObject
28 from model.python.o_ran_node import ORanNode
29 from model.python.o_ran_termination_point import ORanTerminationPoint
30 import xml.etree.ElementTree as ET
33 # Define the "IORanCu" interface
34 class IORanCu(IORanObject):
35 def __init__(self, **kwargs):
36 super().__init__(**kwargs)
39 # Define an abstract O-RAN Node class
40 class ORanCu(ORanNode, IORanCu):
41 def __init__(self, o_ran_cu_data: IORanCu = None, **kwargs):
42 super().__init__(o_ran_cu_data, **kwargs)
43 self._o_ran_cloud_dus: list[ORanCu] = self._calculate_o_ran_dus()
45 def _calculate_o_ran_dus(self) -> list[ORanCloudDu]:
46 hex_ring_radius: int = self.spiralRadiusProfile.oRanCuSpiralRadiusOfODus
47 hex_list: list[Hex] = self.spiralRadiusProfile.oRanDuSpiral(self.position, hex_ring_radius)
48 result: list[ORanCloudDu] = []
49 for index, hex in enumerate(hex_list):
50 s: str = "00" + str(index)
52 [self.name.replace("CU", "O-Cloud-DU"), s[len(s) - 2 : len(s)]]
54 network_center: dict = self.parent.parent.parent.center
55 newGeo = Hexagon.hex_to_geo_location(
56 self.layout, hex, network_center
62 "geoLocation": newGeo,
64 "layout": self.layout,
65 "spiralRadiusProfile": self.spiralRadiusProfile,
74 def o_ran_cloud_dus(self) -> list[ORanCloudDu]:
75 return self._o_ran_cloud_dus
78 def towers(self) -> list[Tower]:
79 result: list[Tower] = []
80 for du in self.o_ran_cloud_dus:
81 for tower in du.towers:
86 def termination_points(self) -> list[ORanTerminationPoint]:
87 result: list[ORanTerminationPoint] = super().termination_points
88 phy_tp: str = "-".join([self.name, "phy".upper()])
89 result.append({"tp-id": phy_tp, "name": phy_tp})
90 for interface in ["e2", "o1"]:
91 id:str = "-".join([self.name, interface.upper()])
92 result.append(ORanTerminationPoint({"id": id, "name":id, "supporter": phy_tp, "parent":self}))
95 def to_topology_nodes(self) -> list[dict[str, dict]]:
96 result: list[dict[str, dict]] = super().to_topology_nodes()
97 # for o_ran_du in self.o_ran_dus: # TODO
98 # result.extend(o_ran_du.to_topology_nodes())
99 for o_ran_cloud_du in self.o_ran_cloud_dus:
100 result.extend(o_ran_cloud_du.to_topology_nodes())
103 def to_topology_links(self) -> list[dict[str, dict]]:
104 result: list[dict[str, dict]] = super().to_topology_links()
105 # for o_ran_du in self.o_ran_dus:
106 # result.extend(o_ran_du.to_topology_links())
107 for o_ran_cloud_du in self.o_ran_cloud_dus:
108 result.extend(o_ran_cloud_du.to_topology_links())
111 def toKml(self) -> ET.Element:
112 o_ran_cu: ET.Element = ET.Element("Folder")
113 open: ET.Element = ET.SubElement(o_ran_cu, "open")
115 name: ET.Element = ET.SubElement(o_ran_cu, "name")
116 name.text = self.name
117 for o_ran_cloud_du in self.o_ran_cloud_dus:
118 o_ran_cu.append(o_ran_cloud_du.toKml())
122 def toSvg(self) -> None: