66 lines
2 KiB
Python
66 lines
2 KiB
Python
"""
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tdma.py: EMANE TDMA model bindings for CORE
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"""
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import logging
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from pathlib import Path
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from typing import Set
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from core import constants, utils
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from core.config import Configuration
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from core.emane import emanemodel
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from core.emulator.enumerations import ConfigDataTypes
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logger = logging.getLogger(__name__)
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class EmaneTdmaModel(emanemodel.EmaneModel):
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# model name
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name: str = "emane_tdma"
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# mac configuration
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mac_library: str = "tdmaeventschedulerradiomodel"
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mac_xml: str = "tdmaeventschedulerradiomodel.xml"
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# add custom schedule options and ignore it when writing emane xml
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schedule_name: str = "schedule"
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default_schedule: Path = (
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constants.CORE_DATA_DIR / "examples" / "tdma" / "schedule.xml"
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)
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config_ignore: Set[str] = {schedule_name}
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@classmethod
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def load(cls, emane_prefix: Path) -> None:
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cls.mac_defaults["pcrcurveuri"] = str(
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emane_prefix
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/ "share/emane/xml/models/mac/tdmaeventscheduler/tdmabasemodelpcr.xml"
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)
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super().load(emane_prefix)
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config_item = Configuration(
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id=cls.schedule_name,
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type=ConfigDataTypes.STRING,
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default=str(cls.default_schedule),
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label="TDMA schedule file (core)",
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)
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cls.mac_config.insert(0, config_item)
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def post_startup(self) -> None:
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"""
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Logic to execute after the emane manager is finished with startup.
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:return: nothing
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"""
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# get configured schedule
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config = self.session.emane.get_config(self.id, self.name)
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if not config:
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return
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schedule = Path(config[self.schedule_name])
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if not schedule.is_file():
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logger.warning("ignoring invalid tdma schedule: %s", schedule)
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return
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# initiate tdma schedule
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event_device = self.session.emane.event_device
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logger.info(
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"setting up tdma schedule: schedule(%s) device(%s)", schedule, event_device
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)
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utils.cmd(f"emaneevent-tdmaschedule -i {event_device} {schedule}")
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