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add crc serialization for all packets
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This commit is contained in:
Robin Müller
2023-06-12 13:00:58 +02:00
parent e48c2fe368
commit 895080bbc0
5 changed files with 28 additions and 13 deletions
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11
src/cfdp/pdu/metadata.rs
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@ -1,11 +1,11 @@
use crate::cfdp::lv::Lv;
use crate::cfdp::pdu::{
generic_length_checks_pdu_deserialization, read_fss_field, write_fss_field, FileDirectiveType,
PduError, PduHeader,
add_pdu_crc, generic_length_checks_pdu_deserialization, read_fss_field, write_fss_field,
FileDirectiveType, PduError, PduHeader,
};
use crate::cfdp::tlv::Tlv;
use crate::cfdp::{ChecksumType, CrcFlag, LargeFileFlag, PduType};
use crate::{ByteConversionError, SizeMissmatch, CRC_CCITT_FALSE};
use crate::{ByteConversionError, SizeMissmatch};
#[cfg(feature = "alloc")]
use alloc::vec::Vec;
#[cfg(feature = "serde")]
@ -226,10 +226,7 @@ impl<'src_name, 'dest_name, 'opts> MetadataPdu<'src_name, 'dest_name, 'opts> {
current_idx += opts.len();
}
if self.pdu_header.pdu_conf.crc_flag == CrcFlag::WithCrc {
let mut digest = CRC_CCITT_FALSE.digest();
digest.update(&buf[..current_idx]);
buf[current_idx..current_idx + 2].copy_from_slice(&digest.finalize().to_be_bytes());
current_idx += 2;
current_idx = add_pdu_crc(buf, current_idx);
}
Ok(current_idx)
}