use bytes::BufMut;
use crate::primitives::fixed::{
get_bool, get_i16, get_i32, get_u16, put_bool, put_i16, put_i32, put_u16,
};
use crate::primitives::string_bytes::{
compact_string_len, put_compact_string, put_string, string_len,
};
use crate::primitives::string_bytes_borrowed::{get_compact_string_borrowed, get_string_borrowed};
use crate::tagged_fields::{
WriteTaggedFields, encode_to_bytes, read_tagged_fields, tagged_fields_len,
};
use crate::{Decode, DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
pub const API_KEY: i16 = 52;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 2;
pub const FLEXIBLE_MIN: i16 = 0;
#[inline]
fn is_flexible(version: i16) -> bool {
version >= FLEXIBLE_MIN
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct VoteResponse<'a> {
pub error_code: i16,
pub topics: Vec<TopicData<'a>>,
pub node_endpoints: Vec<crate::owned::vote_response::NodeEndpoint>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl VoteResponse<'_> {
pub fn to_owned(&self) -> crate::owned::vote_response::VoteResponse {
crate::owned::vote_response::VoteResponse {
error_code: (self.error_code),
topics: (self.topics).iter().map(TopicData::to_owned).collect(),
node_endpoints: self.node_endpoints.clone(),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for VoteResponse<'_> {
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_i16(buf, self.error_code);
}
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 !(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 >= 0 {
n += 2;
}
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 !(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<'de> DecodeBorrow<'de> for VoteResponse<'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.error_code = get_i16(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(TopicData::decode_borrow(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(crate::owned::vote_response::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 VoteResponse<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.error_code = 1i16;
}
if version >= 0 {
m.topics = vec![TopicData::populated(version)];
}
if version >= 1 {
m.node_endpoints = vec![crate::owned::vote_response::NodeEndpoint::populated(
version,
)];
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct TopicData<'a> {
pub topic_name: &'a str,
pub partitions: Vec<PartitionData>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl TopicData<'_> {
pub fn to_owned(&self) -> crate::owned::vote_response::TopicData {
crate::owned::vote_response::TopicData {
topic_name: (self.topic_name).to_string(),
partitions: (self.partitions)
.iter()
.map(PartitionData::to_owned)
.collect(),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for TopicData<'_> {
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.topic_name);
} else {
put_string(buf, self.topic_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.topic_name)
} else {
string_len(self.topic_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 TopicData<'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.topic_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(PartitionData::decode_borrow(buf, version)?);
}
v
};
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl TopicData<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.topic_name = "x";
}
if version >= 0 {
m.partitions = vec![PartitionData::populated(version)];
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct PartitionData {
pub partition_index: i32,
pub error_code: i16,
pub leader_id: i32,
pub leader_epoch: i32,
pub vote_granted: bool,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl PartitionData {
pub fn to_owned(&self) -> crate::owned::vote_response::PartitionData {
crate::owned::vote_response::PartitionData {
partition_index: (self.partition_index),
error_code: (self.error_code),
leader_id: (self.leader_id),
leader_epoch: (self.leader_epoch),
vote_granted: (self.vote_granted),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for PartitionData {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 0 {
put_i32(buf, self.partition_index);
}
if version >= 0 {
put_i16(buf, self.error_code);
}
if version >= 0 {
put_i32(buf, self.leader_id);
}
if version >= 0 {
put_i32(buf, self.leader_epoch);
}
if version >= 0 {
put_bool(buf, self.vote_granted);
}
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 += 4;
}
if version >= 0 {
n += 2;
}
if version >= 0 {
n += 4;
}
if version >= 0 {
n += 4;
}
if version >= 0 {
n += 1;
}
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 PartitionData {
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_index = get_i32(buf)?;
}
if version >= 0 {
out.error_code = get_i16(buf)?;
}
if version >= 0 {
out.leader_id = get_i32(buf)?;
}
if version >= 0 {
out.leader_epoch = get_i32(buf)?;
}
if version >= 0 {
out.vote_granted = get_bool(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
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.leader_id = 1i32;
}
if version >= 0 {
m.leader_epoch = 1i32;
}
if version >= 0 {
m.vote_granted = true;
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct NodeEndpoint<'a> {
pub node_id: i32,
pub host: &'a str,
pub port: u16,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl NodeEndpoint<'_> {
pub fn to_owned(&self) -> crate::owned::vote_response::NodeEndpoint {
crate::owned::vote_response::NodeEndpoint {
node_id: (self.node_id),
host: (self.host).to_string(),
port: (self.port),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for NodeEndpoint<'_> {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 1 {
put_i32(buf, self.node_id);
}
if version >= 1 {
if flex {
put_compact_string(buf, self.host);
} else {
put_string(buf, self.host);
}
}
if version >= 1 {
put_u16(buf, self.port);
}
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 >= 1 {
n += 4;
}
if version >= 1 {
n += if flex {
compact_string_len(self.host)
} else {
string_len(self.host)
};
}
if version >= 1 {
n += 2;
}
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 NodeEndpoint<'de> {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 0;
let mut out = Self::default();
if version >= 1 {
out.node_id = get_i32(buf)?;
}
if version >= 1 {
out.host = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 1 {
out.port = get_u16(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 >= 1 {
m.node_id = 1i32;
}
if version >= 1 {
m.host = "x";
}
if version >= 1 {
m.port = 1u16;
}
m
}
}