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first basic Finished PDU impl

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This commit is contained in:
Robin Müller
2023-06-12 03:57:38 +02:00
parent eb6bc4b8a8
commit 02675ba086
7 changed files with 333 additions and 43 deletions
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13
src/cfdp/pdu/eof.rs
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@ -1,4 +1,7 @@
use crate::cfdp::pdu::{read_fss_field, write_fss_field, FileDirectiveType, PduError, PduHeader};
use crate::cfdp::pdu::{
generic_length_checks_pdu_deserialization, read_fss_field, write_fss_field, FileDirectiveType,
PduError, PduHeader,
};
use crate::cfdp::tlv::EntityIdTlv;
use crate::cfdp::{ConditionCode, LargeFileFlag};
use crate::{ByteConversionError, SizeMissmatch};
@ -95,13 +98,7 @@ impl EofPdu {
if is_large_file {
min_expected_len += 4;
}
if pdu_header.header_len() + min_expected_len > buf.len() {
return Err(ByteConversionError::FromSliceTooSmall(SizeMissmatch {
found: buf.len(),
expected: pdu_header.header_len() + min_expected_len,
})
.into());
}
generic_length_checks_pdu_deserialization(buf, min_expected_len, full_len_without_crc)?;
let directive_type = FileDirectiveType::try_from(buf[current_idx]).map_err(|_| {
PduError::InvalidDirectiveType((buf[current_idx], FileDirectiveType::EofPdu))
})?;