eive-tmtc/tmtcc.py
2022-10-27 15:33:25 +02:00

471 lines
17 KiB
Python
Executable File

#!/usr/bin/env python3
import logging
import sys
import time
import traceback
from pathlib import Path
from typing import cast
from spacepackets import SpacePacketHeader, SpacePacket
from spacepackets.ccsds import SPACE_PACKET_HEADER_SIZE
from spacepackets.cfdp import (
ConditionCode,
ChecksumType,
TransmissionMode,
PduHolder,
DirectiveType,
PduFactory,
PduType,
)
from tmtccmd.cfdp import CfdpUserBase, TransactionId
from tmtccmd.cfdp.defs import CfdpRequestType
from tmtccmd.cfdp.handler import CfdpInCcsdsHandler
from tmtccmd.cfdp.mib import (
DefaultFaultHandlerBase,
LocalEntityCfg,
IndicationCfg,
RemoteEntityCfg,
)
from tmtccmd.cfdp.user import (
TransactionFinishedParams,
MetadataRecvParams,
FileSegmentRecvdParams,
)
from tmtccmd.tc.handler import SendCbParams
try:
import spacepackets
except ImportError as error:
print(error)
print("Python spacepackets module could not be imported")
print(
'Install with "cd spacepackets && python3 -m pip intall -e ." for interative installation'
)
sys.exit(1)
try:
import tmtccmd
except ImportError as error:
run_tmtc_commander = None
initialize_tmtc_commander = None
tb = traceback.format_exc()
print(tb)
print("Python tmtccmd submodule could not be imported")
sys.exit(1)
from spacepackets.ecss import PusVerificator
from tmtccmd import get_console_logger, TcHandlerBase, BackendBase
from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
from tmtccmd.util.tmtc_printer import FsfwTmTcPrinter
from tmtccmd.logging.pus import (
RawTmtcTimedLogWrapper,
RegularTmtcLogWrapper,
TimedLogWhen,
)
from tmtccmd.pus import VerificationWrapper
from tmtccmd.tm import SpecificApidHandlerBase, GenericApidHandlerBase, CcsdsTmHandler
from tmtccmd.core import BackendRequest
from tmtccmd.logging import get_current_time_string
from tmtccmd.tc import (
ProcedureWrapper,
FeedWrapper,
TcProcedureType,
TcQueueEntryType,
DefaultPusQueueHelper,
)
from tmtccmd.config import (
default_json_path,
SetupWrapper,
params_to_procedure_conversion,
)
from tmtccmd.config.args import (
SetupParams,
PreArgsParsingWrapper,
ProcedureParamsWrapper,
)
from config import __version__
from config.definitions import (
PUS_APID,
CFDP_APID,
CFDP_LOCAL_ENTITY_ID,
CFDP_REMOTE_ENTITY_ID,
)
from config.hook import EiveHookObject
from pus_tm.factory_hook import pus_factory_hook
from pus_tc.procedure_packer import handle_default_procedure
LOGGER = get_console_logger()
# Put rotating file logger parameters here for quick changes
ROTATING_TIMED_LOGGER_INTERVAL_WHEN = TimedLogWhen.PER_MINUTE
ROTATING_TIMED_LOGGER_INTERVAL = 30
class EiveCfdpFaultHandler(DefaultFaultHandlerBase):
def notice_of_suspension_cb(self, cond: ConditionCode):
pass
def notice_of_cancellation_cb(self, cond: ConditionCode):
pass
def abandoned_cb(self, cond: ConditionCode):
pass
def ignore_cb(self, cond: ConditionCode):
pass
class EiveCfdpUser(CfdpUserBase):
def transaction_indication(self, transaction_id: TransactionId):
LOGGER.info(f"CFDP User: Start of File {transaction_id}")
def eof_sent_indication(self, transaction_id: TransactionId):
LOGGER.info(f"CFDP User: EOF sent for {transaction_id}")
def transaction_finished_indication(self, params: TransactionFinishedParams):
LOGGER.info(f"CFDP User: {params.transaction_id} finished")
def metadata_recv_indication(self, params: MetadataRecvParams):
pass
def file_segment_recv_indication(self, params: FileSegmentRecvdParams):
pass
def report_indication(self, transaction_id: TransactionId, status_report: any):
pass
def suspended_indication(
self, transaction_id: TransactionId, cond_code: ConditionCode
):
pass
def resumed_indication(self, transaction_id: TransactionId, progress: int):
pass
def fault_indication(
self, transaction_id: TransactionId, cond_code: ConditionCode, progress: int
):
pass
def abandoned_indication(
self, transaction_id: TransactionId, cond_code: ConditionCode, progress: int
):
pass
def eof_recv_indication(self, transaction_id: TransactionId):
pass
class PusHandler(SpecificApidHandlerBase):
def __init__(
self,
wrapper: VerificationWrapper,
printer: FsfwTmTcPrinter,
raw_logger: RawTmtcTimedLogWrapper,
):
super().__init__(PUS_APID, None)
self.printer = printer
self.verif_wrapper = wrapper
self.raw_logger = raw_logger
def handle_tm(self, packet: bytes, _user_args: any):
pus_factory_hook(packet, self.verif_wrapper, self.printer, self.raw_logger)
class UnknownApidHandler(GenericApidHandlerBase):
def handle_tm(self, apid: int, _packet: bytes, _user_args: any):
LOGGER.warning(f"Packet with unknwon APID {apid} detected")
class CfdpInCcsdsWrapper(SpecificApidHandlerBase):
def __init__(self, cfdp_in_ccsds_handler: CfdpInCcsdsHandler):
super().__init__(CFDP_APID, None)
self.handler = cfdp_in_ccsds_handler
def handle_tm(self, packet: bytes, _user_args: any):
# Ignore the space packet header. Its only purpose is to use the same protocol and
# have a seaprate APID for space packets. If this function is called, the APID is correct.
pdu = packet[SPACE_PACKET_HEADER_SIZE:]
pdu_base = PduFactory.from_raw(pdu)
if pdu_base.pdu_type == PduType.FILE_DATA:
LOGGER.info("Received File Data PDU TM")
else:
if pdu_base.directive_type == DirectiveType.FINISHED_PDU:
LOGGER.info(f"Received Finished PDU TM")
else:
LOGGER.info(
f"Received File Directive PDU with type {pdu_base.directive_type!r} TM"
)
self.handler.pass_pdu_packet(pdu_base)
class TcHandler(TcHandlerBase):
def __init__(
self,
seq_count_provider: FileSeqCountProvider,
cfdp_in_ccsds_wrapper: CfdpInCcsdsWrapper,
pus_verificator: PusVerificator,
high_level_file_logger: logging.Logger,
raw_pus_logger: RawTmtcTimedLogWrapper,
gui: bool,
):
super().__init__()
self.cfdp_handler_started = False
self.cfdp_dest_id = CFDP_REMOTE_ENTITY_ID
self.seq_count_provider = seq_count_provider
self.pus_verificator = pus_verificator
self.high_level_file_logger = high_level_file_logger
self.pus_raw_logger = raw_pus_logger
self.gui = gui
self.queue_helper = DefaultPusQueueHelper(
queue_wrapper=None,
pus_apid=PUS_APID,
seq_cnt_provider=seq_count_provider,
pus_verificator=pus_verificator,
)
self.cfdp_in_ccsds_wrapper = cfdp_in_ccsds_wrapper
# self.cfdp_counter = 0
def cfdp_done(self) -> bool:
return not self.cfdp_in_ccsds_wrapper.handler.put_request_pending()
def feed_cb(self, info: ProcedureWrapper, wrapper: FeedWrapper):
self.queue_helper.queue_wrapper = wrapper.queue_wrapper
if info.proc_type == TcProcedureType.DEFAULT:
handle_default_procedure(self, info.to_def_procedure(), self.queue_helper)
elif info.proc_type == TcProcedureType.CFDP:
self.handle_cfdp_procedure(info)
def send_cb(self, send_params: SendCbParams):
entry_helper = send_params.entry
if entry_helper.is_tc:
if entry_helper.entry_type == TcQueueEntryType.PUS_TC:
pus_tc_wrapper = entry_helper.to_pus_tc_entry()
pus_tc_wrapper.pus_tc.seq_count = (
self.seq_count_provider.get_and_increment()
)
pus_tc_wrapper.pus_tc.apid = PUS_APID
# Add TC after Sequence Count stamping
self.pus_verificator.add_tc(pus_tc_wrapper.pus_tc)
raw_tc = pus_tc_wrapper.pus_tc.pack()
self.pus_raw_logger.log_tc(pus_tc_wrapper.pus_tc)
tc_info_string = f"Sent {pus_tc_wrapper.pus_tc}"
LOGGER.info(tc_info_string)
self.high_level_file_logger.info(
f"{get_current_time_string(True)}: {tc_info_string}"
)
send_params.com_if.send(raw_tc)
elif entry_helper.entry_type == TcQueueEntryType.CCSDS_TC:
cfdp_packet_in_ccsds = entry_helper.to_space_packet_entry()
send_params.com_if.send(cfdp_packet_in_ccsds.space_packet.pack())
# TODO: Log raw CFDP packets similarly to how PUS packets are logged.
# - Log full raw format including space packet wrapper
# - Log context information: Transaction ID, and PDU type and directive
# Could re-use file logger. Should probably do that
# print(f"sending packet: [{cfdp_packet_in_ccsds.space_packet.pack()}]")
# with open(f"cfdp_packet_{self.cfdp_counter}", "wb") as of:
# of.write(cfdp_packet_in_ccsds.space_packet.pack())
# self.cfdp_counter += 1
elif entry_helper.entry_type == TcQueueEntryType.LOG:
log_entry = entry_helper.to_log_entry()
LOGGER.info(log_entry.log_str)
self.high_level_file_logger.info(log_entry.log_str)
def handle_cfdp_procedure(self, info: ProcedureWrapper):
cfdp_procedure = info.to_cfdp_procedure()
if cfdp_procedure.cfdp_request_type == CfdpRequestType.PUT:
if (
not self.cfdp_in_ccsds_wrapper.handler.put_request_pending()
and not self.cfdp_handler_started
):
put_req = cfdp_procedure.request_wrapper.to_put_request()
put_req.cfg.destination_id = self.cfdp_dest_id
LOGGER.info(
f"CFDP: Starting file put request with parameters:\n{put_req}"
)
self.cfdp_in_ccsds_wrapper.handler.cfdp_handler.put_request(put_req)
self.cfdp_handler_started = True
for source_pair, dest_pair in self.cfdp_in_ccsds_wrapper.handler:
pdu, sp = source_pair
pdu = cast(PduHolder, pdu)
if pdu.is_file_directive:
if pdu.pdu_directive_type == DirectiveType.METADATA_PDU:
metadata = pdu.to_metadata_pdu()
self.queue_helper.add_log_cmd(
f"CFDP Source: Sending Metadata PDU for file with size "
f"{metadata.file_size}"
)
elif pdu.pdu_directive_type == DirectiveType.EOF_PDU:
self.queue_helper.add_log_cmd(
f"CFDP Source: Sending EOF PDU"
)
else:
fd_pdu = pdu.to_file_data_pdu()
self.queue_helper.add_log_cmd(
f"CFDP Source: Sending File Data PDU for segment at offset "
f"{fd_pdu.offset} with length {len(fd_pdu.file_data)}"
)
self.queue_helper.add_ccsds_tc(sp)
self.cfdp_in_ccsds_wrapper.handler.confirm_source_packet_sent()
self.cfdp_in_ccsds_wrapper.handler.source_handler.state_machine()
def queue_finished_cb(self, info: ProcedureWrapper):
if info is not None:
if info.proc_type == TcQueueEntryType.PUS_TC:
def_proc = info.to_def_procedure()
LOGGER.info(
f"Finished queue for service {def_proc.service} and op code {def_proc.op_code}"
)
elif info.proc_type == TcProcedureType.CFDP:
LOGGER.info(f"Finished CFDP queue")
def setup_params() -> SetupWrapper:
print(f"-- eive tmtc v{__version__} --")
print(f"-- spacepackets v{spacepackets.__version__} --")
hook_obj = EiveHookObject(default_json_path())
params = SetupParams()
parser_wrapper = PreArgsParsingWrapper()
parser_wrapper.create_default_parent_parser()
parser_wrapper.create_default_parser()
parser_wrapper.add_def_proc_and_cfdp_as_subparsers()
post_arg_parsing_wrapper = parser_wrapper.parse(hook_obj)
tmtccmd.init_printout(post_arg_parsing_wrapper.use_gui)
use_prompts = not post_arg_parsing_wrapper.use_gui
proc_param_wrapper = ProcedureParamsWrapper()
if use_prompts:
post_arg_parsing_wrapper.set_params_with_prompts(params, proc_param_wrapper)
else:
post_arg_parsing_wrapper.set_params_without_prompts(params, proc_param_wrapper)
params.apid = PUS_APID
setup_wrapper = SetupWrapper(
hook_obj=hook_obj, setup_params=params, proc_param_wrapper=proc_param_wrapper
)
return setup_wrapper
def setup_cfdp_handler() -> CfdpInCcsdsWrapper:
fh_base = EiveCfdpFaultHandler()
cfdp_cfg = LocalEntityCfg(
local_entity_id=CFDP_LOCAL_ENTITY_ID,
indication_cfg=IndicationCfg(),
default_fault_handlers=fh_base,
)
remote_cfg = RemoteEntityCfg(
closure_requested=False,
entity_id=CFDP_REMOTE_ENTITY_ID,
max_file_segment_len=1024,
check_limit=None,
crc_on_transmission=False,
crc_type=ChecksumType.CRC_32,
default_transmission_mode=TransmissionMode.UNACKNOWLEDGED,
)
cfdp_seq_count_provider = FileSeqCountProvider(
max_bit_width=16, file_name=Path("seqcnt_cfdp_transaction.txt")
)
cfdp_ccsds_seq_count_provider = PusFileSeqCountProvider(
file_name=Path("seqcnt_cfdp_ccsds_.txt")
)
cfdp_user = EiveCfdpUser()
cfdp_in_ccsds_handler = CfdpInCcsdsHandler(
cfg=cfdp_cfg,
remote_cfgs=[remote_cfg],
ccsds_apid=CFDP_APID,
ccsds_seq_cnt_provider=cfdp_ccsds_seq_count_provider,
cfdp_seq_cnt_provider=cfdp_seq_count_provider,
user=cfdp_user,
)
return CfdpInCcsdsWrapper(cfdp_in_ccsds_handler)
def setup_tmtc_handlers(
verificator: PusVerificator,
printer: FsfwTmTcPrinter,
raw_logger: RawTmtcTimedLogWrapper,
gui: bool,
) -> (CcsdsTmHandler, TcHandler):
cfdp_in_ccsds_wrapper = setup_cfdp_handler()
verification_wrapper = VerificationWrapper(verificator, LOGGER, printer.file_logger)
pus_handler = PusHandler(verification_wrapper, printer, raw_logger)
ccsds_handler = CcsdsTmHandler(generic_handler=UnknownApidHandler(None))
ccsds_handler.add_apid_handler(pus_handler)
ccsds_handler.add_apid_handler(cfdp_in_ccsds_wrapper)
seq_count_provider = PusFileSeqCountProvider()
tc_handler = TcHandler(
seq_count_provider=seq_count_provider,
pus_verificator=verificator,
high_level_file_logger=printer.file_logger,
raw_pus_logger=raw_logger,
gui=gui,
cfdp_in_ccsds_wrapper=cfdp_in_ccsds_wrapper,
)
return ccsds_handler, tc_handler
def setup_backend(
setup_wrapper: SetupWrapper,
tc_handler: TcHandler,
ccsds_handler: CcsdsTmHandler,
) -> BackendBase:
init_proc = params_to_procedure_conversion(setup_wrapper.proc_param_wrapper)
tmtc_backend = tmtccmd.create_default_tmtc_backend(
setup_wrapper=setup_wrapper,
tm_handler=ccsds_handler,
tc_handler=tc_handler,
init_procedure=init_proc,
)
tmtccmd.start(tmtc_backend=tmtc_backend, hook_obj=setup_wrapper.hook_obj)
return tmtc_backend
def main():
try:
setup_wrapper = setup_params()
except KeyboardInterrupt as e:
LOGGER.info(f"{e}. Exiting")
sys.exit(0)
tmtc_logger = RegularTmtcLogWrapper()
printer = FsfwTmTcPrinter(tmtc_logger.logger)
raw_logger = RawTmtcTimedLogWrapper(
when=ROTATING_TIMED_LOGGER_INTERVAL_WHEN,
interval=ROTATING_TIMED_LOGGER_INTERVAL,
)
pus_verificator = PusVerificator()
ccsds_handler, tc_handler = setup_tmtc_handlers(
pus_verificator, printer, raw_logger, setup_wrapper.params.use_gui
)
tmtccmd.setup(setup_wrapper)
tmtc_backend = setup_backend(
setup_wrapper=setup_wrapper, ccsds_handler=ccsds_handler, tc_handler=tc_handler
)
try:
while True:
state = tmtc_backend.periodic_op(None)
tc_handler.cfdp_in_ccsds_wrapper.handler.fsm()
if state.request == BackendRequest.TERMINATION_NO_ERROR:
sys.exit(0)
elif state.request == BackendRequest.DELAY_IDLE:
LOGGER.info("TMTC Client in IDLE mode")
time.sleep(3.0)
elif state.request == BackendRequest.DELAY_LISTENER:
if tc_handler.cfdp_done():
LOGGER.info("CFDP transaction done, closing client")
sys.exit(0)
time.sleep(0.5)
elif state.request == BackendRequest.DELAY_CUSTOM:
if state.next_delay.total_seconds() < 0.5:
time.sleep(state.next_delay.total_seconds())
else:
time.sleep(0.5)
elif state.request == BackendRequest.CALL_NEXT:
pass
except KeyboardInterrupt:
sys.exit(0)
if __name__ == "__main__":
main()