#![allow(unused)]
use std::borrow::Borrow;
use std::collections::BTreeMap;
use bytes::Bytes;
use log::error;
use uuid::Uuid;
use crate::protocol::{
Encodable, Decodable, MapEncodable, MapDecodable, Encoder, Decoder, EncodeError, DecodeError, Message, HeaderVersion, VersionRange,
types, write_unknown_tagged_fields, compute_unknown_tagged_fields_size, StrBytes, buf::{ByteBuf, ByteBufMut}, Builder
};
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
#[builder(default)]
pub struct MemberResponse {
pub member_id: StrBytes,
pub group_instance_id: Option<StrBytes>,
pub error_code: i16,
pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}
impl Builder for MemberResponse {
type Builder = MemberResponseBuilder;
fn builder() -> Self::Builder{
MemberResponseBuilder::default()
}
}
impl Encodable for MemberResponse {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
if version >= 3 {
if version >= 4 {
types::CompactString.encode(buf, &self.member_id)?;
} else {
types::String.encode(buf, &self.member_id)?;
}
} else {
if !self.member_id.is_empty() {
return Err(EncodeError)
}
}
if version >= 3 {
if version >= 4 {
types::CompactString.encode(buf, &self.group_instance_id)?;
} else {
types::String.encode(buf, &self.group_instance_id)?;
}
} else {
if !self.group_instance_id.as_ref().map(|x| x.is_empty()).unwrap_or_default() {
return Err(EncodeError)
}
}
if version >= 3 {
types::Int16.encode(buf, &self.error_code)?;
} else {
if self.error_code != 0 {
return Err(EncodeError)
}
}
if version >= 4 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
}
Ok(())
}
fn compute_size(&self, version: i16) -> Result<usize, EncodeError> {
let mut total_size = 0;
if version >= 3 {
if version >= 4 {
total_size += types::CompactString.compute_size(&self.member_id)?;
} else {
total_size += types::String.compute_size(&self.member_id)?;
}
} else {
if !self.member_id.is_empty() {
return Err(EncodeError)
}
}
if version >= 3 {
if version >= 4 {
total_size += types::CompactString.compute_size(&self.group_instance_id)?;
} else {
total_size += types::String.compute_size(&self.group_instance_id)?;
}
} else {
if !self.group_instance_id.as_ref().map(|x| x.is_empty()).unwrap_or_default() {
return Err(EncodeError)
}
}
if version >= 3 {
total_size += types::Int16.compute_size(&self.error_code)?;
} else {
if self.error_code != 0 {
return Err(EncodeError)
}
}
if version >= 4 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
}
Ok(total_size)
}
}
impl Decodable for MemberResponse {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let member_id = if version >= 3 {
if version >= 4 {
types::CompactString.decode(buf)?
} else {
types::String.decode(buf)?
}
} else {
Default::default()
};
let group_instance_id = if version >= 3 {
if version >= 4 {
types::CompactString.decode(buf)?
} else {
types::String.decode(buf)?
}
} else {
Some(Default::default())
};
let error_code = if version >= 3 {
types::Int16.decode(buf)?
} else {
0
};
let mut unknown_tagged_fields = BTreeMap::new();
if version >= 4 {
let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
for _ in 0..num_tagged_fields {
let tag: u32 = types::UnsignedVarInt.decode(buf)?;
let size: u32 = types::UnsignedVarInt.decode(buf)?;
let mut unknown_value = vec![0; size as usize];
buf.try_copy_to_slice(&mut unknown_value)?;
unknown_tagged_fields.insert(tag as i32, unknown_value);
}
}
Ok(Self {
member_id,
group_instance_id,
error_code,
unknown_tagged_fields,
})
}
}
impl Default for MemberResponse {
fn default() -> Self {
Self {
member_id: Default::default(),
group_instance_id: Some(Default::default()),
error_code: 0,
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for MemberResponse {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 5 };
}
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
#[builder(default)]
pub struct LeaveGroupResponse {
pub throttle_time_ms: i32,
pub error_code: i16,
pub members: Vec<MemberResponse>,
pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}
impl Builder for LeaveGroupResponse {
type Builder = LeaveGroupResponseBuilder;
fn builder() -> Self::Builder{
LeaveGroupResponseBuilder::default()
}
}
impl Encodable for LeaveGroupResponse {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
if version >= 1 {
types::Int32.encode(buf, &self.throttle_time_ms)?;
}
types::Int16.encode(buf, &self.error_code)?;
if version >= 3 {
if version >= 4 {
types::CompactArray(types::Struct { version }).encode(buf, &self.members)?;
} else {
types::Array(types::Struct { version }).encode(buf, &self.members)?;
}
} else {
if !self.members.is_empty() {
return Err(EncodeError)
}
}
if version >= 4 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
}
Ok(())
}
fn compute_size(&self, version: i16) -> Result<usize, EncodeError> {
let mut total_size = 0;
if version >= 1 {
total_size += types::Int32.compute_size(&self.throttle_time_ms)?;
}
total_size += types::Int16.compute_size(&self.error_code)?;
if version >= 3 {
if version >= 4 {
total_size += types::CompactArray(types::Struct { version }).compute_size(&self.members)?;
} else {
total_size += types::Array(types::Struct { version }).compute_size(&self.members)?;
}
} else {
if !self.members.is_empty() {
return Err(EncodeError)
}
}
if version >= 4 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
}
Ok(total_size)
}
}
impl Decodable for LeaveGroupResponse {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let throttle_time_ms = if version >= 1 {
types::Int32.decode(buf)?
} else {
0
};
let error_code = types::Int16.decode(buf)?;
let members = if version >= 3 {
if version >= 4 {
types::CompactArray(types::Struct { version }).decode(buf)?
} else {
types::Array(types::Struct { version }).decode(buf)?
}
} else {
Default::default()
};
let mut unknown_tagged_fields = BTreeMap::new();
if version >= 4 {
let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
for _ in 0..num_tagged_fields {
let tag: u32 = types::UnsignedVarInt.decode(buf)?;
let size: u32 = types::UnsignedVarInt.decode(buf)?;
let mut unknown_value = vec![0; size as usize];
buf.try_copy_to_slice(&mut unknown_value)?;
unknown_tagged_fields.insert(tag as i32, unknown_value);
}
}
Ok(Self {
throttle_time_ms,
error_code,
members,
unknown_tagged_fields,
})
}
}
impl Default for LeaveGroupResponse {
fn default() -> Self {
Self {
throttle_time_ms: 0,
error_code: 0,
members: Default::default(),
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for LeaveGroupResponse {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 5 };
}
impl HeaderVersion for LeaveGroupResponse {
fn header_version(version: i16) -> i16 {
if version >= 4 {
1
} else {
0
}
}
}