use bytes::{Buf, BufMut};
use crate::primitives::fixed::{get_i16, get_i64, put_i16, put_i64};
use crate::tagged_fields::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{Decode, 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, Default)]
pub struct SnapshotHeaderRecord {
pub version: i16,
pub last_contained_log_timestamp: i64,
pub unknown_tagged_fields: UnknownTaggedFields,
}
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 Decode<'_> for SnapshotHeaderRecord {
fn decode<B: Buf>(buf: &mut B, 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)
}
}
#[cfg(test)]
impl SnapshotHeaderRecord {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.version = 1i16;
}
if version >= 0 {
m.last_contained_log_timestamp = 1i64;
}
m
}
}
#[must_use]
#[allow(unused_comparisons)]
pub fn default_json(version: i16) -> ::serde_json::Value {
let mut obj = ::serde_json::Map::new();
obj.insert("version".to_string(), ::serde_json::json!(0));
obj.insert(
"lastContainedLogTimestamp".to_string(),
::serde_json::json!(0),
);
::serde_json::Value::Object(obj)
}