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
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10 # distributed under the License is distributed on an "AS IS" BASIS,
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12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 A Class representing a Tower to mount O-RAN RUs
19 It can be interpreted as 'resource pool' for physical network
22 from typing import overload
23 from model.python.o_ran_object import IORanObject
24 from model.python.o_ran_ru import ORanRu
25 from model.python.o_ran_node import ORanNode
26 from model.python.o_ran_termination_point import ORanTerminationPoint
27 import xml.etree.ElementTree as ET
30 # Define the "IORanDu" interface
31 class ITower(IORanObject):
32 def __init__(self, o_ran_ru_count: int, **kwargs):
33 super().__init__(**kwargs)
34 self._o_ran_ru_count = o_ran_ru_count
37 # Implement a concrete O-RAN Node class
38 class Tower(ORanNode):
39 def __init__(self, tower_data: ITower = None, **kwargs):
40 super().__init__(tower_data, **kwargs)
41 self._o_ran_ru_count = (
42 tower_data["oRanRuCount"]
43 if tower_data and "oRanRuCount" in tower_data
46 self._o_ran_rus: list[ORanRu] = self._create_o_ran_rus()
48 def _create_o_ran_rus(self) -> list[ORanRu]:
49 result: list[ORanRu] = []
50 for index in range(self._o_ran_ru_count):
51 s: str = "00" + str(index)
53 [self.name.replace("Tower", "RU"), s[len(s) - 2 : len(s)]]
55 cell_count: int = self.parent.parent.parent.parent.parent.configuration()[
57 ]["o-ran-ru"]["nr-cell-du-count"]
58 cell_angle : int = self.parent.parent.parent.parent.parent.configuration()[
60 ]["nr-cell-du"]["cell-angle"]
61 ru_angle: int = cell_count * cell_angle
62 ru_azimuth: int = index * ru_angle
67 "geoLocation": self.geoLocation,
68 "position": self.position,
69 "layout": self.layout,
70 "spiralRadiusProfile": self.spiralRadiusProfile,
72 "cellCount": cell_count,
74 "ruAzimuth": ru_azimuth,
81 def o_ran_rus(self) -> list[ORanRu]:
82 return self._o_ran_rus
85 def termination_points(self) -> list[ORanTerminationPoint]:
86 result: list[ORanTerminationPoint] = super().termination_points
87 phy_tp: str = "-".join([self.name, "phy".upper()])
88 result.append({"tp-id": phy_tp})
89 for interface in ["e2", "o1", "ofhm", "ofhc", "ofhu","ofhs"]:
91 "tp-id": "-".join([self.name, interface.upper()]),
92 "supporting-termination-point": [
94 "network-ref": type(self.parent.parent.parent.parent),
102 def to_topology_nodes(self) -> list[dict[str, dict]]:
103 result: list[dict[str, dict]] = super().to_topology_nodes()
104 for o_ran_ru in self.o_ran_rus:
105 result.extend(o_ran_ru.to_topology_nodes())
108 def to_topology_links(self) -> list[dict[str, dict]]:
109 result: list[dict[str, dict]] = super().to_topology_links()
110 for o_ran_ru in self.o_ran_rus:
111 result.extend(o_ran_ru.to_topology_links())
114 def toKml(self) -> ET.Element:
115 tower: ET.Element = ET.Element("Folder")
116 open: ET.Element = ET.SubElement(tower, "open")
118 name: ET.Element = ET.SubElement(tower, "name")
119 name.text = self.name
120 for o_ran_ru in self.o_ran_rus:
121 tower.append(o_ran_ru.toKml())
125 def toSvg(self) -> None: