fsfw/fsfw-example-tmtc-common
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more generic PDU packing approach

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Robin Müller 2022-09-15 14:31:13 +02:00
parent 51871a887f
commit 4a9ed5aad0
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GPG Key ID: 11D4952C8CCEF814
1 changed files with 22 additions and 29 deletions
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51
common.py
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@ -7,7 +7,7 @@ from spacepackets import SpacePacket, SpacePacketHeader
from spacepackets.cfdp import (
TransmissionModes,
ChecksumTypes,
ConditionCode,
ConditionCode, PduHolder, DirectiveTypes,
)
from spacepackets.cfdp.pdu import MetadataPdu, FileDataPdu
from tmtccmd.cfdp import (
@ -248,35 +248,28 @@ class TcHandler(TcHandlerBase):
)
self.cfdp_in_ccsds_wrapper.handler.cfdp_handler.put_request(put_req)
self.cfdp_handler_started = True
(
pdu_holder,
packet,
) = self.cfdp_in_ccsds_wrapper.handler.pull_next_source_packet()
self.queue_helper.add_ccsds_tc(packet)
self.cfdp_in_ccsds_wrapper.handler.confirm_source_packet_sent()
metadata = cast(MetadataPdu, pdu_holder.to_metadata_pdu())
self.queue_helper.add_log_cmd(
f"CFDP Source: Sending Metadata PDU for file with size {metadata.file_size}"
)
(
pdu_holder,
packet,
) = self.cfdp_in_ccsds_wrapper.handler.pull_next_source_packet()
fd_pdu = cast(FileDataPdu, pdu_holder.to_file_data_pdu())
self.queue_helper.add_ccsds_tc(packet)
self.cfdp_in_ccsds_wrapper.handler.confirm_source_packet_sent()
self.queue_helper.add_log_cmd(
f"CFDP Source: Sending File Data PDU for segment at offset {fd_pdu.offset} "
f"with length {len(fd_pdu.file_data)}"
)
(
pdu_holder,
packet,
) = self.cfdp_in_ccsds_wrapper.handler.pull_next_source_packet()
self.queue_helper.add_log_cmd(f"CFDP Source: Sending EOF PDU")
self.queue_helper.add_ccsds_tc(packet)
self.cfdp_in_ccsds_wrapper.handler.confirm_source_packet_sent()
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 == DirectiveTypes.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 == DirectiveTypes.EOF_PDU:
eof = pdu.to_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 send_cb(self, params: SendCbParams):