use bytes::BufMut;
use crate::primitives::fixed::{get_i8, get_i16, get_i32, put_i8, put_i16, put_i32};
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::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
pub const API_KEY: i16 = 69;
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, Default)]
pub struct ConsumerGroupDescribeResponse<'a> {
pub throttle_time_ms: i32,
pub groups: Vec<DescribedGroup<'a>>,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl ConsumerGroupDescribeResponse<'_> {
pub fn to_owned(
&self,
) -> crate::owned::consumer_group_describe_response::ConsumerGroupDescribeResponse {
crate::owned::consumer_group_describe_response::ConsumerGroupDescribeResponse {
throttle_time_ms: (self.throttle_time_ms),
groups: (self.groups).iter().map(DescribedGroup::to_owned).collect(),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for ConsumerGroupDescribeResponse<'_> {
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.throttle_time_ms);
}
if version >= 0 {
{
crate::primitives::array::put_array_len(buf, (self.groups).len(), flex);
for it in &self.groups {
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 = is_flexible(version);
let mut n: usize = 0;
if version >= 0 {
n += 4;
}
if version >= 0 {
n += {
let prefix =
crate::primitives::array::array_len_prefix_len((self.groups).len(), flex);
let body: usize = (self.groups).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 ConsumerGroupDescribeResponse<'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.throttle_time_ms = get_i32(buf)?;
}
if version >= 0 {
out.groups = {
let n = crate::primitives::array::get_array_len(buf, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(DescribedGroup::decode_borrow(buf, version)?);
}
v
};
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl ConsumerGroupDescribeResponse<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.throttle_time_ms = 1i32;
}
if version >= 0 {
m.groups = vec![DescribedGroup::populated(version)];
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct DescribedGroup<'a> {
pub error_code: i16,
pub error_message: Option<&'a str>,
pub group_id: &'a str,
pub group_state: &'a str,
pub group_epoch: i32,
pub assignment_epoch: i32,
pub assignor_name: &'a str,
pub members: Vec<Member<'a>>,
pub authorized_operations: i32,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for DescribedGroup<'_> {
fn default() -> Self {
Self {
error_code: 0i16,
error_message: None,
group_id: "",
group_state: "",
group_epoch: 0i32,
assignment_epoch: 0i32,
assignor_name: "",
members: Vec::new(),
authorized_operations: -2_147_483_648i32,
unknown_tagged_fields: Default::default(),
}
}
}
impl DescribedGroup<'_> {
pub fn to_owned(&self) -> crate::owned::consumer_group_describe_response::DescribedGroup {
crate::owned::consumer_group_describe_response::DescribedGroup {
error_code: (self.error_code),
error_message: (self.error_message).map(std::string::ToString::to_string),
group_id: (self.group_id).to_string(),
group_state: (self.group_state).to_string(),
group_epoch: (self.group_epoch),
assignment_epoch: (self.assignment_epoch),
assignor_name: (self.assignor_name).to_string(),
members: (self.members).iter().map(Member::to_owned).collect(),
authorized_operations: (self.authorized_operations),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for DescribedGroup<'_> {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
let flex = version >= 0;
if version >= 0 {
put_i16(buf, self.error_code);
}
if version >= 0 {
if flex {
put_compact_nullable_string(buf, self.error_message);
} else {
put_nullable_string(buf, self.error_message);
}
}
if version >= 0 {
if flex {
put_compact_string(buf, self.group_id);
} else {
put_string(buf, self.group_id);
}
}
if version >= 0 {
if flex {
put_compact_string(buf, self.group_state);
} else {
put_string(buf, self.group_state);
}
}
if version >= 0 {
put_i32(buf, self.group_epoch);
}
if version >= 0 {
put_i32(buf, self.assignment_epoch);
}
if version >= 0 {
if flex {
put_compact_string(buf, self.assignor_name);
} else {
put_string(buf, self.assignor_name);
}
}
if version >= 0 {
{
crate::primitives::array::put_array_len(buf, (self.members).len(), flex);
for it in &self.members {
it.encode(buf, version)?;
}
}
}
if version >= 0 {
put_i32(buf, self.authorized_operations);
}
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 += 2;
}
if version >= 0 {
n += if flex {
compact_nullable_string_len(self.error_message)
} else {
nullable_string_len(self.error_message)
};
}
if version >= 0 {
n += if flex {
compact_string_len(self.group_id)
} else {
string_len(self.group_id)
};
}
if version >= 0 {
n += if flex {
compact_string_len(self.group_state)
} else {
string_len(self.group_state)
};
}
if version >= 0 {
n += 4;
}
if version >= 0 {
n += 4;
}
if version >= 0 {
n += if flex {
compact_string_len(self.assignor_name)
} else {
string_len(self.assignor_name)
};
}
if version >= 0 {
n += {
let prefix =
crate::primitives::array::array_len_prefix_len((self.members).len(), flex);
let body: usize = (self.members)
.iter()
.map(|it| it.encoded_len(version))
.sum();
prefix + body
};
}
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 DescribedGroup<'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.error_code = get_i16(buf)?;
}
if version >= 0 {
out.error_message = if flex {
get_compact_nullable_string_borrowed(buf)?
} else {
get_nullable_string_borrowed(buf)?
};
}
if version >= 0 {
out.group_id = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.group_state = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.group_epoch = get_i32(buf)?;
}
if version >= 0 {
out.assignment_epoch = get_i32(buf)?;
}
if version >= 0 {
out.assignor_name = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.members = {
let n = crate::primitives::array::get_array_len(buf, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(Member::decode_borrow(buf, version)?);
}
v
};
}
if version >= 0 {
out.authorized_operations = get_i32(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl DescribedGroup<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.error_code = 1i16;
}
if version >= 0 {
m.error_message = Some("x");
}
if version >= 0 {
m.group_id = "x";
}
if version >= 0 {
m.group_state = "x";
}
if version >= 0 {
m.group_epoch = 1i32;
}
if version >= 0 {
m.assignment_epoch = 1i32;
}
if version >= 0 {
m.assignor_name = "x";
}
if version >= 0 {
m.members = vec![Member::populated(version)];
}
if version >= 0 {
m.authorized_operations = 1i32;
}
m
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Member<'a> {
pub member_id: &'a str,
pub instance_id: Option<&'a str>,
pub rack_id: Option<&'a str>,
pub member_epoch: i32,
pub client_id: &'a str,
pub client_host: &'a str,
pub subscribed_topic_names: Vec<&'a str>,
pub subscribed_topic_regex: Option<&'a str>,
pub assignment: super::common::consumer_group_describe_response::assignment::Assignment<'a>,
pub target_assignment:
super::common::consumer_group_describe_response::assignment::Assignment<'a>,
pub member_type: i8,
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for Member<'_> {
fn default() -> Self {
Self {
member_id: "",
instance_id: None,
rack_id: None,
member_epoch: 0i32,
client_id: "",
client_host: "",
subscribed_topic_names: Vec::new(),
subscribed_topic_regex: None,
assignment: Default::default(),
target_assignment: Default::default(),
member_type: -1i8,
unknown_tagged_fields: Default::default(),
}
}
}
impl Member<'_> {
pub fn to_owned(&self) -> crate::owned::consumer_group_describe_response::Member {
crate::owned::consumer_group_describe_response::Member {
member_id: (self.member_id).to_string(),
instance_id: (self.instance_id).map(std::string::ToString::to_string),
rack_id: (self.rack_id).map(std::string::ToString::to_string),
member_epoch: (self.member_epoch),
client_id: (self.client_id).to_string(),
client_host: (self.client_host).to_string(),
subscribed_topic_names: (self.subscribed_topic_names)
.iter()
.map(std::string::ToString::to_string)
.collect(),
subscribed_topic_regex: (self.subscribed_topic_regex)
.map(std::string::ToString::to_string),
assignment: (self.assignment).to_owned(),
target_assignment: (self.target_assignment).to_owned(),
member_type: (self.member_type),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for Member<'_> {
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.member_id);
} else {
put_string(buf, self.member_id);
}
}
if version >= 0 {
if flex {
put_compact_nullable_string(buf, self.instance_id);
} else {
put_nullable_string(buf, self.instance_id);
}
}
if version >= 0 {
if flex {
put_compact_nullable_string(buf, self.rack_id);
} else {
put_nullable_string(buf, self.rack_id);
}
}
if version >= 0 {
put_i32(buf, self.member_epoch);
}
if version >= 0 {
if flex {
put_compact_string(buf, self.client_id);
} else {
put_string(buf, self.client_id);
}
}
if version >= 0 {
if flex {
put_compact_string(buf, self.client_host);
} else {
put_string(buf, self.client_host);
}
}
if version >= 0 {
{
crate::primitives::array::put_array_len(
buf,
(self.subscribed_topic_names).len(),
flex,
);
for it in &self.subscribed_topic_names {
if flex {
put_compact_string(buf, it);
} else {
put_string(buf, it);
}
}
}
}
if version >= 0 {
if flex {
put_compact_nullable_string(buf, self.subscribed_topic_regex);
} else {
put_nullable_string(buf, self.subscribed_topic_regex);
}
}
if version >= 0 {
self.assignment.encode(buf, version)?;
}
if version >= 0 {
self.target_assignment.encode(buf, version)?;
}
if version >= 1 {
put_i8(buf, self.member_type);
}
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.member_id)
} else {
string_len(self.member_id)
};
}
if version >= 0 {
n += if flex {
compact_nullable_string_len(self.instance_id)
} else {
nullable_string_len(self.instance_id)
};
}
if version >= 0 {
n += if flex {
compact_nullable_string_len(self.rack_id)
} else {
nullable_string_len(self.rack_id)
};
}
if version >= 0 {
n += 4;
}
if version >= 0 {
n += if flex {
compact_string_len(self.client_id)
} else {
string_len(self.client_id)
};
}
if version >= 0 {
n += if flex {
compact_string_len(self.client_host)
} else {
string_len(self.client_host)
};
}
if version >= 0 {
n += {
let prefix = crate::primitives::array::array_len_prefix_len(
(self.subscribed_topic_names).len(),
flex,
);
let body: usize = (self.subscribed_topic_names)
.iter()
.map(|it| {
if flex {
compact_string_len(it)
} else {
string_len(it)
}
})
.sum();
prefix + body
};
}
if version >= 0 {
n += if flex {
compact_nullable_string_len(self.subscribed_topic_regex)
} else {
nullable_string_len(self.subscribed_topic_regex)
};
}
if version >= 0 {
n += self.assignment.encoded_len(version);
}
if version >= 0 {
n += self.target_assignment.encoded_len(version);
}
if version >= 1 {
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 Member<'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.member_id = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.instance_id = if flex {
get_compact_nullable_string_borrowed(buf)?
} else {
get_nullable_string_borrowed(buf)?
};
}
if version >= 0 {
out.rack_id = if flex {
get_compact_nullable_string_borrowed(buf)?
} else {
get_nullable_string_borrowed(buf)?
};
}
if version >= 0 {
out.member_epoch = get_i32(buf)?;
}
if version >= 0 {
out.client_id = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.client_host = if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
};
}
if version >= 0 {
out.subscribed_topic_names = {
let n = crate::primitives::array::get_array_len(buf, flex)?;
let mut v = Vec::with_capacity(n);
for _ in 0..n {
v.push(if flex {
get_compact_string_borrowed(buf)?
} else {
get_string_borrowed(buf)?
});
}
v
};
}
if version >= 0 {
out.subscribed_topic_regex = if flex {
get_compact_nullable_string_borrowed(buf)?
} else {
get_nullable_string_borrowed(buf)?
};
}
if version >= 0 {
out . assignment = super :: common :: consumer_group_describe_response :: assignment :: Assignment :: decode_borrow (buf , version) ? ;
}
if version >= 0 {
out . target_assignment = super :: common :: consumer_group_describe_response :: assignment :: Assignment :: decode_borrow (buf , version) ? ;
}
if version >= 1 {
out.member_type = get_i8(buf)?;
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl Member<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.member_id = "x";
}
if version >= 0 {
m.instance_id = Some("x");
}
if version >= 0 {
m.rack_id = Some("x");
}
if version >= 0 {
m.member_epoch = 1i32;
}
if version >= 0 {
m.client_id = "x";
}
if version >= 0 {
m.client_host = "x";
}
if version >= 0 {
m.subscribed_topic_names = vec!["x"];
}
if version >= 0 {
m.subscribed_topic_regex = Some("x");
}
if version >= 0 {
m.assignment =
super::common::consumer_group_describe_response::assignment::Assignment::populated(
version,
);
}
if version >= 0 {
m.target_assignment =
super::common::consumer_group_describe_response::assignment::Assignment::populated(
version,
);
}
if version >= 1 {
m.member_type = 1i8;
}
m
}
}