use bytes::{Buf, BufMut};
use crate::primitives::fixed::{get_i16, get_i32, get_i64, put_i16, put_i32, put_i64};
use crate::primitives::string_bytes::{
compact_nullable_string_len, compact_string_len, get_compact_nullable_string_owned,
get_compact_string_owned, get_nullable_string_owned, get_string_owned, nullable_string_len,
put_compact_nullable_string, put_compact_string, put_nullable_string, put_string, string_len,
};
use crate::primitives::string_bytes::{
get_compact_nullable_bytes_owned, get_nullable_bytes_owned, put_bytes, put_compact_bytes,
put_compact_nullable_bytes, put_nullable_bytes,
};
use crate::tagged_fields::{
WriteTaggedFields, encode_to_bytes, read_tagged_fields, tagged_fields_len,
};
use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};
pub const API_KEY: i16 = 1;
pub const MIN_VERSION: i16 = 4;
pub const MAX_VERSION: i16 = 18;
pub const FLEXIBLE_MIN: i16 = 12;
#[inline]
fn is_flexible(version: i16) -> bool {
version >= FLEXIBLE_MIN
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct FetchResponse {
pub throttle_time_ms: i32,
pub error_code: i16,
pub session_id: i32,
pub responses: Vec<FetchableTopicResponse>,
pub node_endpoints: Vec<NodeEndpoint>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for FetchResponse {
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 >= 1 {
put_i32(buf, self.throttle_time_ms);
}
if version >= 7 {
put_i16(buf, self.error_code);
}
if version >= 7 {
put_i32(buf, self.session_id);
}
if version >= 0 {
{
crate::primitives::array::put_array_len(buf, (self.responses).len(), flex);
for it in &self.responses {
it.encode(buf, version)?;
}
}
}
if flex {
let mut tagged = WriteTaggedFields::new();
if !(crate::codegen_helpers::is_default(&self.node_endpoints)) {
let payload = encode_to_bytes(
{
let prefix = crate::primitives::array::array_len_prefix_len(
(self.node_endpoints).len(),
flex,
);
let body: usize = (self.node_endpoints)
.iter()
.map(|it| it.encoded_len(version))
.sum();
prefix + body
},
|b| {
{
crate::primitives::array::put_array_len(
b,
(self.node_endpoints).len(),
flex,
);
for it in &self.node_endpoints {
it.encode(b, version)?;
}
};
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 >= 1 {
n += 4;
}
if version >= 7 {
n += 2;
}
if version >= 7 {
n += 4;
}
if version >= 0 {
n += {
let prefix =
crate::primitives::array::array_len_prefix_len((self.responses).len(), flex);
let body: usize = (self.responses)
.iter()
.map(|it| it.encoded_len(version))
.sum();
prefix + body
};
}
if flex {
let mut known_pairs: Vec<(u32, usize)> = Vec::new();
if !(crate::codegen_helpers::is_default(&self.node_endpoints)) {
known_pairs.push((0, {
let prefix = crate::primitives::array::array_len_prefix_len(
(self.node_endpoints).len(),
flex,
);
let body: usize = (self.node_endpoints)
.iter()
.map(|it| it.encoded_len(version))
.sum();
prefix + body
}));
}
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl Decode<'_> for FetchResponse {
fn decode<B: Buf>(buf: &mut B, 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 >= 1 {
out.throttle_time_ms = get_i32(buf)?;
}
if version >= 7 {
out.error_code = get_i16(buf)?;
}
if version >= 7 {
out.session_id = get_i32(buf)?;
}
if version >= 0 {
out.responses = {
let n = crate::primitives::array::get_array_len(buf, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(FetchableTopicResponse::decode(buf, version)?);
}
v
};
}
if flex {
let mut tag_node_endpoints = None;
out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
0 => {
tag_node_endpoints = Some({
let b: &mut &[u8] = payload;
{
let n = crate::primitives::array::get_array_len(b, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(NodeEndpoint::decode(b, version)?);
}
v
}
});
Ok(true)
}
_ => Ok(false),
})?;
if let Some(v) = tag_node_endpoints {
out.node_endpoints = v;
}
}
Ok(out)
}
}
#[cfg(test)]
impl FetchResponse {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 1 {
m.throttle_time_ms = 1i32;
}
if version >= 7 {
m.error_code = 1i16;
}
if version >= 7 {
m.session_id = 1i32;
}
if version >= 0 {
m.responses = vec![FetchableTopicResponse::populated(version)];
}
if version >= 16 {
m.node_endpoints = vec![NodeEndpoint::populated(version)];
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct FetchableTopicResponse {
pub topic: String,
pub topic_id: crate::primitives::uuid::Uuid,
pub partitions: Vec<PartitionData>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for FetchableTopicResponse {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if (0..=12).contains(&version) {
if flex {
put_compact_string(buf, &self.topic);
} else {
put_string(buf, &self.topic);
}
}
if version >= 13 {
crate::primitives::uuid::put_uuid(buf, self.topic_id);
}
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 >= 12;
let mut n: usize = 0;
if (0..=12).contains(&version) {
n += if flex {
compact_string_len(&self.topic)
} else {
string_len(&self.topic)
};
}
if version >= 13 {
n += 16;
}
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 Decode<'_> for FetchableTopicResponse {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if (0..=12).contains(&version) {
out.topic = if flex {
get_compact_string_owned(buf)?
} else {
get_string_owned(buf)?
};
}
if version >= 13 {
out.topic_id = crate::primitives::uuid::get_uuid(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(PartitionData::decode(buf, version)?);
}
v
};
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl FetchableTopicResponse {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if (0..=12).contains(&version) {
m.topic = "x".to_string();
}
if version >= 13 {
m.topic_id = crate::primitives::uuid::Uuid([1u8; 16]);
}
if version >= 0 {
m.partitions = vec![PartitionData::populated(version)];
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PartitionData {
pub partition_index: i32,
pub error_code: i16,
pub high_watermark: i64,
pub last_stable_offset: i64,
pub log_start_offset: i64,
pub aborted_transactions: Option<Vec<AbortedTransaction>>,
pub preferred_read_replica: i32,
pub records: Option<crate::records::RecordsPayload>,
pub diverging_epoch: EpochEndOffset,
pub current_leader: LeaderIdAndEpoch,
pub snapshot_id: SnapshotId,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for PartitionData {
fn default() -> Self {
Self {
partition_index: 0i32,
error_code: 0i16,
high_watermark: 0i64,
last_stable_offset: -1i64,
log_start_offset: -1i64,
aborted_transactions: None,
preferred_read_replica: -1i32,
records: None,
diverging_epoch: Default::default(),
current_leader: Default::default(),
snapshot_id: Default::default(),
unknown_tagged_fields: Default::default(),
}
}
}
impl Encode for PartitionData {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if version >= 0 {
put_i32(buf, self.partition_index);
}
if version >= 0 {
put_i16(buf, self.error_code);
}
if version >= 0 {
put_i64(buf, self.high_watermark);
}
if version >= 4 {
put_i64(buf, self.last_stable_offset);
}
if version >= 5 {
put_i64(buf, self.log_start_offset);
}
if version >= 4 {
{
let len = (self.aborted_transactions).as_ref().map(Vec::len);
crate::primitives::array::put_nullable_array_len(buf, len, flex);
if let Some(v) = &self.aborted_transactions {
for it in v {
it.encode(buf, version)?;
}
}
}
}
if version >= 11 {
put_i32(buf, self.preferred_read_replica);
}
if version >= 0 {
match &self.records {
None => {
if flex {
put_compact_nullable_bytes(buf, None);
} else {
put_nullable_bytes(buf, None);
}
}
Some(__rb) => {
let mut __rb_buf = bytes::BytesMut::new();
<crate::records::RecordsPayload as crate::Encode>::encode(
__rb,
&mut __rb_buf,
version,
)?;
if flex {
put_compact_bytes(buf, &__rb_buf);
} else {
put_bytes(buf, &__rb_buf);
}
}
}
}
if flex {
let mut tagged = WriteTaggedFields::new();
if !(crate::codegen_helpers::is_default(&self.diverging_epoch)) {
let payload = encode_to_bytes(self.diverging_epoch.encoded_len(version), |b| {
self.diverging_epoch.encode(b, version)?;
Ok(())
});
tagged.add(0, payload);
}
if !(crate::codegen_helpers::is_default(&self.current_leader)) {
let payload = encode_to_bytes(self.current_leader.encoded_len(version), |b| {
self.current_leader.encode(b, version)?;
Ok(())
});
tagged.add(1, payload);
}
if !(crate::codegen_helpers::is_default(&self.snapshot_id)) {
let payload = encode_to_bytes(self.snapshot_id.encoded_len(version), |b| {
self.snapshot_id.encode(b, version)?;
Ok(())
});
tagged.add(2, payload);
}
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 12;
let mut n: usize = 0;
if version >= 0 {
n += 4;
}
if version >= 0 {
n += 2;
}
if version >= 0 {
n += 8;
}
if version >= 4 {
n += 8;
}
if version >= 5 {
n += 8;
}
if version >= 4 {
n += {
let opt: Option<&Vec<_>> = (self.aborted_transactions).as_ref();
let prefix = crate::primitives::array::nullable_array_len_prefix_len(
opt.map(std::vec::Vec::len),
flex,
);
let body: usize =
opt.map_or(0, |v| v.iter().map(|it| it.encoded_len(version)).sum());
prefix + body
};
}
if version >= 11 {
n += 4;
}
if version >= 0 {
n += match &self.records {
None => {
if flex {
crate::primitives::varint::uvarint_len(0)
} else {
4
}
}
Some(__rb) => {
let __rb_len = <crate::records::RecordsPayload as crate::Encode>::encoded_len(
__rb, version,
);
if flex {
crate::primitives::string_bytes::compact_bytes_len_from_size(__rb_len)
} else {
4 + __rb_len
}
}
};
}
if flex {
let mut known_pairs: Vec<(u32, usize)> = Vec::new();
if !(crate::codegen_helpers::is_default(&self.diverging_epoch)) {
known_pairs.push((0, self.diverging_epoch.encoded_len(version)));
}
if !(crate::codegen_helpers::is_default(&self.current_leader)) {
known_pairs.push((1, self.current_leader.encoded_len(version)));
}
if !(crate::codegen_helpers::is_default(&self.snapshot_id)) {
known_pairs.push((2, self.snapshot_id.encoded_len(version)));
}
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl Decode<'_> for PartitionData {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if version >= 0 {
out.partition_index = get_i32(buf)?;
}
if version >= 0 {
out.error_code = get_i16(buf)?;
}
if version >= 0 {
out.high_watermark = get_i64(buf)?;
}
if version >= 4 {
out.last_stable_offset = get_i64(buf)?;
}
if version >= 5 {
out.log_start_offset = get_i64(buf)?;
}
if version >= 4 {
out.aborted_transactions = {
let opt = crate::primitives::array::get_nullable_array_len(buf, flex)?;
match opt {
None => None,
Some(n) => {
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(AbortedTransaction::decode(buf, version)?);
}
Some(v)
}
}
};
}
if version >= 11 {
out.preferred_read_replica = get_i32(buf)?;
}
if version >= 0 {
out.records = {
let __rb_opt = if flex {
get_compact_nullable_bytes_owned(buf)?
} else {
get_nullable_bytes_owned(buf)?
};
match __rb_opt {
None => None,
Some(__rb_bytes) => {
let mut __rb_cur: &[u8] = &__rb_bytes;
Some(crate::records::RecordsPayload::decode_lenient(
&mut __rb_cur,
version,
)?)
}
}
};
}
if flex {
let mut tag_diverging_epoch = None;
let mut tag_current_leader = None;
let mut tag_snapshot_id = None;
out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
0 => {
tag_diverging_epoch = Some({
let b: &mut &[u8] = payload;
EpochEndOffset::decode(b, version)?
});
Ok(true)
}
1 => {
tag_current_leader = Some({
let b: &mut &[u8] = payload;
LeaderIdAndEpoch::decode(b, version)?
});
Ok(true)
}
2 => {
tag_snapshot_id = Some({
let b: &mut &[u8] = payload;
SnapshotId::decode(b, version)?
});
Ok(true)
}
_ => Ok(false),
})?;
if let Some(v) = tag_diverging_epoch {
out.diverging_epoch = v;
}
if let Some(v) = tag_current_leader {
out.current_leader = v;
}
if let Some(v) = tag_snapshot_id {
out.snapshot_id = v;
}
}
Ok(out)
}
}
#[cfg(test)]
impl PartitionData {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.partition_index = 1i32;
}
if version >= 0 {
m.error_code = 1i16;
}
if version >= 0 {
m.high_watermark = 1i64;
}
if version >= 4 {
m.last_stable_offset = 1i64;
}
if version >= 5 {
m.log_start_offset = 1i64;
}
if version >= 4 {
m.aborted_transactions = Some(vec![AbortedTransaction::populated(version)]);
}
if version >= 11 {
m.preferred_read_replica = 1i32;
}
if version >= 12 {
m.diverging_epoch = EpochEndOffset::populated(version);
}
if version >= 12 {
m.current_leader = LeaderIdAndEpoch::populated(version);
}
if version >= 12 {
m.snapshot_id = SnapshotId::populated(version);
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct EpochEndOffset {
pub epoch: i32,
pub end_offset: i64,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for EpochEndOffset {
fn default() -> Self {
Self {
epoch: -1i32,
end_offset: -1i64,
unknown_tagged_fields: Default::default(),
}
}
}
impl Encode for EpochEndOffset {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if version >= 12 {
put_i32(buf, self.epoch);
}
if version >= 12 {
put_i64(buf, self.end_offset);
}
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 12;
let mut n: usize = 0;
if version >= 12 {
n += 4;
}
if version >= 12 {
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 EpochEndOffset {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if version >= 12 {
out.epoch = get_i32(buf)?;
}
if version >= 12 {
out.end_offset = get_i64(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl EpochEndOffset {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 12 {
m.epoch = 1i32;
}
if version >= 12 {
m.end_offset = 1i64;
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct LeaderIdAndEpoch {
pub leader_id: i32,
pub leader_epoch: i32,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for LeaderIdAndEpoch {
fn default() -> Self {
Self {
leader_id: -1i32,
leader_epoch: -1i32,
unknown_tagged_fields: Default::default(),
}
}
}
impl Encode for LeaderIdAndEpoch {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if version >= 12 {
put_i32(buf, self.leader_id);
}
if version >= 12 {
put_i32(buf, self.leader_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 >= 12;
let mut n: usize = 0;
if version >= 12 {
n += 4;
}
if version >= 12 {
n += 4;
}
if flex {
let known_pairs: Vec<(u32, usize)> = Vec::new();
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl Decode<'_> for LeaderIdAndEpoch {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if version >= 12 {
out.leader_id = get_i32(buf)?;
}
if version >= 12 {
out.leader_epoch = get_i32(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl LeaderIdAndEpoch {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 12 {
m.leader_id = 1i32;
}
if version >= 12 {
m.leader_epoch = 1i32;
}
m
}
}
#[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: -1i64,
epoch: -1i32,
unknown_tagged_fields: Default::default(),
}
}
}
impl Encode for SnapshotId {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
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 >= 12;
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 Decode<'_> for SnapshotId {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
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)
}
}
#[cfg(test)]
impl SnapshotId {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.end_offset = 1i64;
}
if version >= 0 {
m.epoch = 1i32;
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct AbortedTransaction {
pub producer_id: i64,
pub first_offset: i64,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for AbortedTransaction {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if version >= 4 {
put_i64(buf, self.producer_id);
}
if version >= 4 {
put_i64(buf, self.first_offset);
}
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 12;
let mut n: usize = 0;
if version >= 4 {
n += 8;
}
if version >= 4 {
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 AbortedTransaction {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if version >= 4 {
out.producer_id = get_i64(buf)?;
}
if version >= 4 {
out.first_offset = get_i64(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl AbortedTransaction {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 4 {
m.producer_id = 1i64;
}
if version >= 4 {
m.first_offset = 1i64;
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct NodeEndpoint {
pub node_id: i32,
pub host: String,
pub port: i32,
pub rack: Option<String>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for NodeEndpoint {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 12;
if version >= 16 {
put_i32(buf, self.node_id);
}
if version >= 16 {
if flex {
put_compact_string(buf, &self.host);
} else {
put_string(buf, &self.host);
}
}
if version >= 16 {
put_i32(buf, self.port);
}
if version >= 16 {
if flex {
put_compact_nullable_string(buf, self.rack.as_deref());
} else {
put_nullable_string(buf, self.rack.as_deref());
}
}
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 12;
let mut n: usize = 0;
if version >= 16 {
n += 4;
}
if version >= 16 {
n += if flex {
compact_string_len(&self.host)
} else {
string_len(&self.host)
};
}
if version >= 16 {
n += 4;
}
if version >= 16 {
n += if flex {
compact_nullable_string_len(self.rack.as_deref())
} else {
nullable_string_len(self.rack.as_deref())
};
}
if flex {
let known_pairs: Vec<(u32, usize)> = Vec::new();
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl Decode<'_> for NodeEndpoint {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 12;
let mut out = Self::default();
if version >= 16 {
out.node_id = get_i32(buf)?;
}
if version >= 16 {
out.host = if flex {
get_compact_string_owned(buf)?
} else {
get_string_owned(buf)?
};
}
if version >= 16 {
out.port = get_i32(buf)?;
}
if version >= 16 {
out.rack = if flex {
get_compact_nullable_string_owned(buf)?
} else {
get_nullable_string_owned(buf)?
};
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl NodeEndpoint {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 16 {
m.node_id = 1i32;
}
if version >= 16 {
m.host = "x".to_string();
}
if version >= 16 {
m.port = 1i32;
}
if version >= 16 {
m.rack = Some("x".to_string());
}
m
}
}
#[must_use]
#[allow(unused_comparisons)]
pub fn default_json(version: i16) -> ::serde_json::Value {
let mut obj = ::serde_json::Map::new();
if version >= 1 {
obj.insert("throttleTimeMs".to_string(), ::serde_json::json!(0));
}
if version >= 7 {
obj.insert("errorCode".to_string(), ::serde_json::json!(0));
}
if version >= 7 {
obj.insert("sessionId".to_string(), ::serde_json::json!(0));
}
obj.insert("responses".to_string(), ::serde_json::Value::Array(vec![]));
if version >= 16 {
obj.insert(
"nodeEndpoints".to_string(),
::serde_json::Value::Array(vec![]),
);
}
::serde_json::Value::Object(obj)
}