use bytes::{Buf, BufMut};
use crate::primitives::fixed::{get_i32, put_i32};
use crate::primitives::string_bytes::{
compact_nullable_bytes_len, get_compact_nullable_bytes_owned, get_nullable_bytes_owned,
nullable_bytes_len, put_compact_nullable_bytes, put_nullable_bytes,
};
use crate::primitives::string_bytes::{
compact_string_len, get_compact_string_owned, get_string_owned, put_compact_string, put_string,
string_len,
};
use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 3;
pub const FLEXIBLE_MIN: i16 = 32767;
#[inline]
fn is_flexible(version: i16) -> bool {
version >= FLEXIBLE_MIN
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct ConsumerProtocolAssignment {
pub assigned_partitions: Vec<TopicPartition>,
pub user_data: Option<::bytes::Bytes>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for ConsumerProtocolAssignment {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::SchemaMismatch(
"ConsumerProtocolAssignment version out of range",
));
}
let flex = is_flexible(version);
if version >= 0 {
{
crate::primitives::array::put_array_len(
buf,
(self.assigned_partitions).len(),
flex,
);
for it in &self.assigned_partitions {
it.encode(buf, version)?;
}
}
}
if version >= 0 {
if flex {
put_compact_nullable_bytes(buf, self.user_data.as_deref());
} else {
put_nullable_bytes(buf, self.user_data.as_deref());
}
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = is_flexible(version);
let mut n: usize = 0;
if version >= 0 {
n += {
let prefix = crate::primitives::array::array_len_prefix_len(
(self.assigned_partitions).len(),
flex,
);
let body: usize = (self.assigned_partitions)
.iter()
.map(|it| it.encoded_len(version))
.sum();
prefix + body
};
}
if version >= 0 {
n += if flex {
compact_nullable_bytes_len(self.user_data.as_deref())
} else {
nullable_bytes_len(self.user_data.as_deref())
};
}
n
}
}
impl Decode<'_> for ConsumerProtocolAssignment {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::SchemaMismatch(
"ConsumerProtocolAssignment version out of range",
));
}
let flex = is_flexible(version);
let mut out = Self::default();
if version >= 0 {
out.assigned_partitions = {
let n = crate::primitives::array::get_array_len(buf, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(TopicPartition::decode(buf, version)?);
}
v
};
}
if version >= 0 {
out.user_data = if flex {
get_compact_nullable_bytes_owned(buf)?
} else {
get_nullable_bytes_owned(buf)?
};
}
Ok(out)
}
}
#[cfg(test)]
impl ConsumerProtocolAssignment {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.assigned_partitions = vec![TopicPartition::populated(version)];
}
if version >= 0 {
m.user_data = Some(::bytes::Bytes::from_static(b"x"));
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct TopicPartition {
pub topic: String,
pub partitions: Vec<i32>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for TopicPartition {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 32767;
if version >= 0 {
if flex {
put_compact_string(buf, &self.topic);
} else {
put_string(buf, &self.topic);
}
}
if version >= 0 {
{
crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex);
for it in &self.partitions {
put_i32(buf, *it);
}
}
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = version >= 32767;
let mut n: usize = 0;
if version >= 0 {
n += if flex {
compact_string_len(&self.topic)
} else {
string_len(&self.topic)
};
}
if version >= 0 {
n += {
let prefix =
crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex);
let body: usize = (self.partitions).iter().map(|_| 4).sum();
prefix + body
};
}
n
}
}
impl Decode<'_> for TopicPartition {
fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
let flex = version >= 32767;
let mut out = Self::default();
if version >= 0 {
out.topic = if flex {
get_compact_string_owned(buf)?
} else {
get_string_owned(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(get_i32(buf)?);
}
v
};
}
Ok(out)
}
}
#[cfg(test)]
impl TopicPartition {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.topic = "x".to_string();
}
if version >= 0 {
m.partitions = vec![1i32];
}
m
}
}
#[must_use]
#[allow(unused_comparisons)]
pub fn default_json(version: i16) -> ::serde_json::Value {
let mut obj = ::serde_json::Map::new();
obj.insert(
"assignedPartitions".to_string(),
::serde_json::Value::Array(vec![]),
);
obj.insert("userData".to_string(), ::serde_json::Value::Null);
::serde_json::Value::Object(obj)
}