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add segment metadata accessors
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This commit is contained in:
Robin Müller 2023-12-02 14:58:03 +01:00
parent 7e85ea7cd1
commit d5f945305d
Signed by: muellerr
GPG Key ID: A649FB78196E3849
1 changed files with 9 additions and 3 deletions
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12
src/cfdp/pdu/file_data.rs
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@ -43,6 +43,14 @@ impl<'seg_meta> SegmentMetadata<'seg_meta> {
})
}
pub fn record_continuation_state(&self) -> RecordContinuationState {
self.record_continuation_state
}
pub fn metadata(&self) -> Option<&'seg_meta [u8]> {
self.metadata
}
pub fn written_len(&self) -> usize {
// Map empty metadata to 0 and slice to its length.
1 + self.metadata.map_or(0, |meta| meta.len())
@ -162,9 +170,7 @@ impl<'seg_meta, 'file_data> FileDataPdu<'seg_meta, 'file_data> {
self.segment_metadata.as_ref()
}
pub fn from_bytes<'longest: 'seg_meta + 'file_data>(
buf: &'longest [u8],
) -> Result<Self, PduError> {
pub fn from_bytes<'buf: 'seg_meta + 'file_data>(buf: &'buf [u8]) -> Result<Self, PduError> {
let (pdu_header, mut current_idx) = PduHeader::from_bytes(buf)?;
let full_len_without_crc = pdu_header.verify_length_and_checksum(buf)?;
let min_expected_len = current_idx + core::mem::size_of::<u32>();