use bytes::BufMut;
use crate::primitives::fixed::{get_i16, get_i64, put_i16, put_i64};
use crate::tagged_fields::{read_tagged_fields, tagged_fields_len, WriteTaggedFields};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 0;
pub const FLEXIBLE_MIN: i16 = 0;
#[inline]
fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SnapshotHeaderRecord {
pub version: i16,
pub last_contained_log_timestamp: i64,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for SnapshotHeaderRecord {
fn default() -> Self {
Self {
version: 0i16,
last_contained_log_timestamp: 0i64,
unknown_tagged_fields: Default::default(),
}
}
}
impl SnapshotHeaderRecord {
pub fn to_owned(&self) -> crate::owned::snapshot_header_record::SnapshotHeaderRecord {
crate::owned::snapshot_header_record::SnapshotHeaderRecord {
version: (self.version),
last_contained_log_timestamp: (self.last_contained_log_timestamp),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for SnapshotHeaderRecord {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::SchemaMismatch("SnapshotHeaderRecord version out of range"));
}
let flex = is_flexible(version);
if version >= 0 { put_i16(buf, self.version) }
if version >= 0 { put_i64(buf, self.last_contained_log_timestamp) }
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = is_flexible(version);
let mut n: usize = 0;
if version >= 0 { n += 2; }
if version >= 0 { n += 8; }
if flex {
let known_pairs: Vec<(u32, usize)> = Vec::new();
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl<'de> DecodeBorrow<'de> for SnapshotHeaderRecord {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::SchemaMismatch("SnapshotHeaderRecord version out of range"));
}
let flex = is_flexible(version);
let mut out = Self::default();
if version >= 0 { out.version = get_i16(buf)?; }
if version >= 0 { out.last_contained_log_timestamp = get_i64(buf)?; }
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
Ok(false)
})?;
}
Ok(out)
}
}