use bytes::BufMut;
use crate::primitives::fixed::{get_i32, get_i64, put_i32, put_i64};
use crate::primitives::string_bytes::{
compact_nullable_string_len, compact_string_len, nullable_string_len,
put_compact_nullable_string, put_compact_string, put_nullable_string, put_string,
string_len,
};
use crate::primitives::string_bytes_borrowed::{
get_compact_nullable_string_borrowed, get_compact_string_borrowed,
get_nullable_string_borrowed, get_string_borrowed,
};
use crate::tagged_fields::{encode_to_bytes, read_tagged_fields, tagged_fields_len, WriteTaggedFields};
use crate::{Decode, DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
pub const API_KEY: i16 = 59;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 1;
pub const FLEXIBLE_MIN: i16 = 0;
#[inline]
fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct FetchSnapshotRequest<'a> {
pub replica_id: i32,
pub max_bytes: i32,
pub topics: Vec<TopicSnapshot<'a>>,
pub cluster_id: Option<String>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl<'a> Default for FetchSnapshotRequest<'a> {
fn default() -> Self {
Self {
replica_id: -1i32,
max_bytes: 2_147_483_647i32,
topics: Vec::new(),
cluster_id: None,
unknown_tagged_fields: Default::default(),
}
}
}
impl<'a> FetchSnapshotRequest<'a> {
pub fn to_owned(&self) -> crate::owned::fetch_snapshot_request::FetchSnapshotRequest {
crate::owned::fetch_snapshot_request::FetchSnapshotRequest {
replica_id: (self.replica_id),
max_bytes: (self.max_bytes),
topics: (self.topics).iter().map(|it| it.to_owned()).collect(),
cluster_id: self.cluster_id.clone(),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl<'a> Encode for FetchSnapshotRequest<'a> {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
}
let flex = is_flexible(version);
if version >= 0 { put_i32(buf, self.replica_id) }
if version >= 0 { put_i32(buf, self.max_bytes) }
if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.topics).len(), flex); for it in &self.topics { it.encode(buf, version)?; } } }
if flex {
let mut tagged = WriteTaggedFields::new();
if !(self.cluster_id.is_none()) {
let payload = encode_to_bytes(if flex { compact_nullable_string_len(self.cluster_id.as_deref()) } else { nullable_string_len(self.cluster_id.as_deref()) }, |b| { if flex { put_compact_nullable_string(b, self.cluster_id.as_deref()) } else { put_nullable_string(b, self.cluster_id.as_deref()) }; Ok(()) });
tagged.add(0, payload);
}
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 += 4; }
if version >= 0 { n += 4; }
if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.topics).len(), flex); let body: usize = (self.topics).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
if flex {
let mut known_pairs: Vec<(u32, usize)> = Vec::new();
if !(self.cluster_id.is_none()) {
known_pairs.push((0, if flex { compact_nullable_string_len(self.cluster_id.as_deref()) } else { nullable_string_len(self.cluster_id.as_deref()) }));
}
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl<'de> DecodeBorrow<'de> for FetchSnapshotRequest<'de> {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
}
let flex = is_flexible(version);
let mut out = Self::default();
if version >= 0 { out.replica_id = get_i32(buf)?; }
if version >= 0 { out.max_bytes = get_i32(buf)?; }
if version >= 0 { out.topics = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(TopicSnapshot::decode_borrow(buf, version)?); } v }; }
if flex {
let mut tag_cluster_id = None;
out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
match tag {
0 => { tag_cluster_id = Some({ let b: &mut &[u8] = payload; if flex { crate::primitives::string_bytes::get_compact_nullable_string_owned(b)? } else { crate::primitives::string_bytes::get_nullable_string_owned(b)? } }); Ok(true) }
_ => Ok(false),
}
})?;
if let Some(v) = tag_cluster_id { out.cluster_id = v; }
}
Ok(out)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TopicSnapshot<'a> {
pub name: &'a str,
pub partitions: Vec<PartitionSnapshot>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl<'a> Default for TopicSnapshot<'a> {
fn default() -> Self {
Self {
name: "",
partitions: Vec::new(),
unknown_tagged_fields: Default::default(),
}
}
}
impl<'a> TopicSnapshot<'a> {
pub fn to_owned(&self) -> crate::owned::fetch_snapshot_request::TopicSnapshot {
crate::owned::fetch_snapshot_request::TopicSnapshot {
name: (self.name).to_string(),
partitions: (self.partitions).iter().map(|it| it.to_owned()).collect(),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl<'a> Encode for TopicSnapshot<'a> {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 0 { if flex { put_compact_string(buf, self.name) } else { put_string(buf, self.name) } }
if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { it.encode(buf, version)?; } } }
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 0;
let mut n: usize = 0;
if version >= 0 { n += if flex { compact_string_len(self.name) } else { string_len(self.name) }; }
if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex); let body: usize = (self.partitions).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
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 TopicSnapshot<'de> {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 0;
let mut out = Self::default();
if version >= 0 { out.name = if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }; }
if version >= 0 { out.partitions = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(PartitionSnapshot::decode_borrow(buf, version)?); } v }; }
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
Ok(false)
})?;
}
Ok(out)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PartitionSnapshot {
pub partition: i32,
pub current_leader_epoch: i32,
pub snapshot_id: SnapshotId,
pub position: i64,
pub replica_directory_id: crate::primitives::uuid::Uuid,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for PartitionSnapshot {
fn default() -> Self {
Self {
partition: 0i32,
current_leader_epoch: 0i32,
snapshot_id: Default::default(),
position: 0i64,
replica_directory_id: Default::default(),
unknown_tagged_fields: Default::default(),
}
}
}
impl PartitionSnapshot {
pub fn to_owned(&self) -> crate::owned::fetch_snapshot_request::PartitionSnapshot {
crate::owned::fetch_snapshot_request::PartitionSnapshot {
partition: (self.partition),
current_leader_epoch: (self.current_leader_epoch),
snapshot_id: (self.snapshot_id).to_owned(),
position: (self.position),
replica_directory_id: (self.replica_directory_id),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for PartitionSnapshot {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 0 { put_i32(buf, self.partition) }
if version >= 0 { put_i32(buf, self.current_leader_epoch) }
if version >= 0 { self.snapshot_id.encode(buf, version)? }
if version >= 0 { put_i64(buf, self.position) }
if flex {
let mut tagged = WriteTaggedFields::new();
if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
let payload = encode_to_bytes(16, |b| { crate::primitives::uuid::put_uuid(b, self.replica_directory_id); Ok(()) });
tagged.add(0, payload);
}
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 0;
let mut n: usize = 0;
if version >= 0 { n += 4; }
if version >= 0 { n += 4; }
if version >= 0 { n += self.snapshot_id.encoded_len(version); }
if version >= 0 { n += 8; }
if flex {
let mut known_pairs: Vec<(u32, usize)> = Vec::new();
if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
known_pairs.push((0, 16));
}
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl<'de> DecodeBorrow<'de> for PartitionSnapshot {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 0;
let mut out = Self::default();
if version >= 0 { out.partition = get_i32(buf)?; }
if version >= 0 { out.current_leader_epoch = get_i32(buf)?; }
if version >= 0 { out.snapshot_id = SnapshotId::decode_borrow(buf, version)?; }
if version >= 0 { out.position = get_i64(buf)?; }
if flex {
let mut tag_replica_directory_id = None;
out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
match tag {
0 => { tag_replica_directory_id = Some({ let b: &mut &[u8] = payload; crate::primitives::uuid::get_uuid(b)? }); Ok(true) }
_ => Ok(false),
}
})?;
if let Some(v) = tag_replica_directory_id { out.replica_directory_id = v; }
}
Ok(out)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SnapshotId {
pub end_offset: i64,
pub epoch: i32,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for SnapshotId {
fn default() -> Self {
Self {
end_offset: 0i64,
epoch: 0i32,
unknown_tagged_fields: Default::default(),
}
}
}
impl SnapshotId {
pub fn to_owned(&self) -> crate::owned::fetch_snapshot_request::SnapshotId {
crate::owned::fetch_snapshot_request::SnapshotId {
end_offset: (self.end_offset),
epoch: (self.epoch),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for SnapshotId {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 0 { put_i64(buf, self.end_offset) }
if version >= 0 { put_i32(buf, self.epoch) }
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 0;
let mut n: usize = 0;
if version >= 0 { n += 8; }
if version >= 0 { n += 4; }
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 SnapshotId {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 0;
let mut out = Self::default();
if version >= 0 { out.end_offset = get_i64(buf)?; }
if version >= 0 { out.epoch = get_i32(buf)?; }
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
Ok(false)
})?;
}
Ok(out)
}
}