219 lines
8.5 KiB
Python
219 lines
8.5 KiB
Python
"""Core EIVE TM handler module
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"""
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import logging
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import sqlite3
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import uuid
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from typing import Any
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from spacepackets.ccsds.time import CdsShortTimestamp
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from spacepackets.ecss import PusTelemetry
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from spacepackets.ecss.pus_17_test import Service17Tm
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from spacepackets.util import PrintFormats
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from tmtccmd.fsfw.tmtc_printer import FsfwTmTcPrinter
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from tmtccmd.logging.pus import RawTmtcTimedLogWrapper
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from tmtccmd.pus import VerificationWrapper
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from tmtccmd.pus.s20_fsfw_param import Service20FsfwTm, Service20ParamDumpWrapper
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from tmtccmd.pus.s20_fsfw_param_defs import CustomSubservice as ParamSubservice
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from tmtccmd.pus.s200_fsfw_mode import Service200FsfwTm
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from tmtccmd.pus.s200_fsfw_mode import Subservice as ModeSubservice
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from tmtccmd.tmtc import GenericApidHandlerBase, SpecificApidHandlerBase
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from eive_tmtc.config.definitions import TM_DB_PATH, PUS_APID
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from eive_tmtc.config.object_ids import get_object_ids
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from .action_reply_handler import handle_action_service_tm
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from .defs import PrintWrapper
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from .event_handler import handle_event_packet
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from .hk_handler import HkFilter, handle_hk_packet
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from .verification_handler import generic_retval_printout, handle_service_1_fsfw_packet
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_LOGGER = logging.getLogger(__name__)
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class PusHandler(SpecificApidHandlerBase):
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def __init__(
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self,
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wrapper: VerificationWrapper,
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printer: FsfwTmTcPrinter,
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raw_logger: RawTmtcTimedLogWrapper,
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hk_level: int,
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):
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super().__init__(PUS_APID, None)
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self.printer = printer
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self.verif_wrapper = wrapper
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self.raw_logger = raw_logger
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self.hk_level = hk_level
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self.these_objs_hk_only = []
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self.hk_filter = HkFilter(object_ids=self.these_objs_hk_only, set_ids=[])
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self.obj_id_dict = get_object_ids()
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self.pw = PrintWrapper(printer.file_logger)
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def handle_tm(self, packet: bytes, _user_args: Any):
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self.pus_handler(
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packet,
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)
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def pus_handler( # noqa C901 : Complexity okay here
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self,
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packet: bytes,
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):
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packet_uuid = uuid.uuid4()
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if len(packet) < 8:
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_LOGGER.warning("Detected packet shorter than 8 bytes!")
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return
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try:
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tm_packet = PusTelemetry.unpack(packet, CdsShortTimestamp.TIMESTAMP_SIZE)
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# _LOGGER.info(f"Sequence count: {tm_packet.seq_count}")
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except ValueError as value_error:
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_LOGGER.warning(f"{value_error}")
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_LOGGER.warning("Could not generate PUS TM object from raw data")
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_LOGGER.warning(f"Raw Packet: [{packet.hex(sep=',')}], REPR: {packet!r}")
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return
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timestamp = CdsShortTimestamp.unpack(tm_packet.timestamp)
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db_con = sqlite3.connect(TM_DB_PATH)
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self._store_packet_in_db(
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db_con=db_con,
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packet=packet,
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tm_packet=tm_packet,
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timestamp=timestamp,
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packet_uuid=packet_uuid,
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)
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service = tm_packet.service
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dedicated_handler = True
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if service == 1:
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handle_service_1_fsfw_packet(wrapper=self.verif_wrapper, raw_tm=packet)
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elif service == 3:
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handle_hk_packet(
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db_con=db_con,
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packet_uuid=packet_uuid,
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printer=self.printer,
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raw_tm=packet,
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obj_id_dict=self.obj_id_dict,
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hk_level=self.hk_level,
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hk_filter=self.hk_filter,
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)
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elif service == 5:
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handle_event_packet(raw_tm=packet, pw=self.pw)
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elif service == 8:
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handle_action_service_tm(
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raw_tm=packet, pw=self.pw, obj_id_dict=self.obj_id_dict
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)
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elif service == 17:
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pus17_tm = Service17Tm.unpack(
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data=packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
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)
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if pus17_tm.subservice == 2:
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self.verif_wrapper.dlog("Received Ping Reply TM[17,2]")
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dedicated_handler = True
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elif service == 20:
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self._handle_param_packet(packet, tm_packet)
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elif service == 200:
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dedicated_handler = self._handle_mode_packet(packet, tm_packet)
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else:
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_LOGGER.info(
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f"The service {service} is not implemented in Telemetry Factory"
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)
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tm_packet.print_source_data(PrintFormats.HEX)
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dedicated_handler = True
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if not dedicated_handler and tm_packet is not None:
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_LOGGER.info(
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f"TM [{service},{tm_packet.subservice}] does not have a dedicated handler"
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)
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self.raw_logger.log_tm(tm_packet)
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def _store_packet_in_db(
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self,
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db_con: sqlite3.Connection,
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packet: bytes,
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timestamp: CdsShortTimestamp,
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tm_packet: PusTelemetry,
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packet_uuid: uuid.UUID,
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):
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cursor = db_con.cursor()
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cursor.execute(
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"""
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CREATE TABLE IF NOT EXISTS pus_tm(
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packet_uuid TEXT PRIMARY KEY,
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generation_time TEXT,
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service NUM,
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subservice NUM,
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data_len NUM,
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raw_data BLOB
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)"""
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)
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cursor.execute(
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"INSERT INTO pus_tm VALUES(?, ?, ?, ?, ?, ?)",
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(
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str(packet_uuid),
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timestamp.as_datetime(),
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tm_packet.service,
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tm_packet.subservice,
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len(packet),
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packet,
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),
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)
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db_con.commit()
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def _handle_param_packet(self, raw_data: bytes, tm_packet: PusTelemetry):
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param_packet = Service20FsfwTm.unpack(
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raw_telemetry=raw_data, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
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)
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if tm_packet.subservice == ParamSubservice.TM_DUMP_REPLY:
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param_wrapper = Service20ParamDumpWrapper(param_tm=param_packet)
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try:
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param = param_wrapper.get_param()
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obj = self.obj_id_dict.get(param_wrapper.param_tm.object_id)
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self.pw.dlog(f"Received parameter dump TM from {obj}")
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self.pw.dlog(f"Parameter: {param}")
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if param.rows == 1 and param.columns == 1:
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try:
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scalar_param = param.parse_scalar_param()
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if isinstance(scalar_param, int):
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self.pw.dlog(f"Scalar integer parameter: {scalar_param}")
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elif isinstance(scalar_param, float):
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self.pw.dlog(
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f"Scalar floating point parameter: {scalar_param}"
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)
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except ValueError as e:
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self.pw.dlog(f"received {e} trying to parse scalar parameter")
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else:
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# TODO: Could improve display further by actually displaying a matrix as a
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# matrix using row and column information
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self.pw.dlog(
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"Received vector or matrix data:"
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f" {param.param_raw.hex(sep=',')}"
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)
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except ValueError as e:
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self.pw.dlog(f"received {e} when trying to parse parameters")
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except NotImplementedError as e:
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self.pw.dlog(f"received {e} when trying to parse parameters")
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else:
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self.pw.dlog(
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f"unknown subservice {tm_packet.subservice} for parameter service"
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)
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def _handle_mode_packet(self, raw_data: bytes, _: PusTelemetry) -> bool:
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tm_packet = Service200FsfwTm.unpack(
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raw_telemetry=raw_data, time_reader=CdsShortTimestamp.empty()
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)
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if tm_packet.subservice == ModeSubservice.TM_CANT_REACH_MODE:
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obj_id = tm_packet.object_id
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obj_id_obj = self.obj_id_dict.get(obj_id)
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retval = tm_packet.return_value
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string_list = generic_retval_printout(retval)
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self.pw.dlog(f"Received Mode Reply from {obj_id_obj}: Can't reach mode.")
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for string in string_list:
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self.pw.dlog(f"Reason: {string}")
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return True
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if tm_packet.subservice == ModeSubservice.TM_WRONG_MODE_REPLY:
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self.pw.dlog(f"Received Mode TM wrong mode reply, mode: {tm_packet.mode}")
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return False
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class UnknownApidHandler(GenericApidHandlerBase):
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def handle_tm(self, apid: int, packet: bytes, _user_args: Any):
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_LOGGER.warning(
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f"Packet with unknown APID {apid} detected: {packet.hex(sep=',')}"
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)
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