#![allow(unused)]
use std::borrow::Borrow;
use std::collections::BTreeMap;
use anyhow::bail;
use bytes::Bytes;
use uuid::Uuid;
use crate::protocol::{
buf::{ByteBuf, ByteBufMut},
compute_unknown_tagged_fields_size, types, write_unknown_tagged_fields, Builder, Decodable,
DecodeError, Decoder, Encodable, EncodeError, Encoder, HeaderVersion, MapDecodable,
MapEncodable, Message, StrBytes, VersionRange,
};
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
#[builder(default)]
pub struct Coordinator {
pub key: StrBytes,
pub node_id: super::BrokerId,
pub host: StrBytes,
pub port: i32,
pub error_code: i16,
pub error_message: Option<StrBytes>,
pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}
impl Builder for Coordinator {
type Builder = CoordinatorBuilder;
fn builder() -> Self::Builder {
CoordinatorBuilder::default()
}
}
impl Encodable for Coordinator {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
if version >= 4 {
types::CompactString.encode(buf, &self.key)?;
} else {
if !self.key.is_empty() {
bail!("failed to encode");
}
}
if version >= 4 {
types::Int32.encode(buf, &self.node_id)?;
} else {
if self.node_id != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
types::CompactString.encode(buf, &self.host)?;
} else {
if !self.host.is_empty() {
bail!("failed to encode");
}
}
if version >= 4 {
types::Int32.encode(buf, &self.port)?;
} else {
if self.port != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
types::Int16.encode(buf, &self.error_code)?;
} else {
if self.error_code != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
types::CompactString.encode(buf, &self.error_message)?;
}
if version >= 3 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
bail!(
"Too many tagged fields to encode ({} fields)",
num_tagged_fields
);
}
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 >= 4 {
total_size += types::CompactString.compute_size(&self.key)?;
} else {
if !self.key.is_empty() {
bail!("failed to encode");
}
}
if version >= 4 {
total_size += types::Int32.compute_size(&self.node_id)?;
} else {
if self.node_id != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
total_size += types::CompactString.compute_size(&self.host)?;
} else {
if !self.host.is_empty() {
bail!("failed to encode");
}
}
if version >= 4 {
total_size += types::Int32.compute_size(&self.port)?;
} else {
if self.port != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
total_size += types::Int16.compute_size(&self.error_code)?;
} else {
if self.error_code != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
total_size += types::CompactString.compute_size(&self.error_message)?;
}
if version >= 3 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
bail!(
"Too many tagged fields to encode ({} fields)",
num_tagged_fields
);
}
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 Coordinator {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let key = if version >= 4 {
types::CompactString.decode(buf)?
} else {
Default::default()
};
let node_id = if version >= 4 {
types::Int32.decode(buf)?
} else {
(0).into()
};
let host = if version >= 4 {
types::CompactString.decode(buf)?
} else {
Default::default()
};
let port = if version >= 4 {
types::Int32.decode(buf)?
} else {
0
};
let error_code = if version >= 4 {
types::Int16.decode(buf)?
} else {
0
};
let error_message = if version >= 4 {
types::CompactString.decode(buf)?
} else {
Some(Default::default())
};
let mut unknown_tagged_fields = BTreeMap::new();
if version >= 3 {
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 unknown_value = buf.try_get_bytes(size as usize)?;
unknown_tagged_fields.insert(tag as i32, unknown_value);
}
}
Ok(Self {
key,
node_id,
host,
port,
error_code,
error_message,
unknown_tagged_fields,
})
}
}
impl Default for Coordinator {
fn default() -> Self {
Self {
key: Default::default(),
node_id: (0).into(),
host: Default::default(),
port: 0,
error_code: 0,
error_message: Some(Default::default()),
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for Coordinator {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
#[builder(default)]
pub struct FindCoordinatorResponse {
pub throttle_time_ms: i32,
pub error_code: i16,
pub error_message: Option<StrBytes>,
pub node_id: super::BrokerId,
pub host: StrBytes,
pub port: i32,
pub coordinators: Vec<Coordinator>,
pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}
impl Builder for FindCoordinatorResponse {
type Builder = FindCoordinatorResponseBuilder;
fn builder() -> Self::Builder {
FindCoordinatorResponseBuilder::default()
}
}
impl Encodable for FindCoordinatorResponse {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
if version >= 1 {
types::Int32.encode(buf, &self.throttle_time_ms)?;
}
if version <= 3 {
types::Int16.encode(buf, &self.error_code)?;
} else {
if self.error_code != 0 {
bail!("failed to encode");
}
}
if version >= 1 && version <= 3 {
if version >= 3 {
types::CompactString.encode(buf, &self.error_message)?;
} else {
types::String.encode(buf, &self.error_message)?;
}
}
if version <= 3 {
types::Int32.encode(buf, &self.node_id)?;
} else {
if self.node_id != 0 {
bail!("failed to encode");
}
}
if version <= 3 {
if version >= 3 {
types::CompactString.encode(buf, &self.host)?;
} else {
types::String.encode(buf, &self.host)?;
}
} else {
if !self.host.is_empty() {
bail!("failed to encode");
}
}
if version <= 3 {
types::Int32.encode(buf, &self.port)?;
} else {
if self.port != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
types::CompactArray(types::Struct { version }).encode(buf, &self.coordinators)?;
} else {
if !self.coordinators.is_empty() {
bail!("failed to encode");
}
}
if version >= 3 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
bail!(
"Too many tagged fields to encode ({} fields)",
num_tagged_fields
);
}
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)?;
}
if version <= 3 {
total_size += types::Int16.compute_size(&self.error_code)?;
} else {
if self.error_code != 0 {
bail!("failed to encode");
}
}
if version >= 1 && version <= 3 {
if version >= 3 {
total_size += types::CompactString.compute_size(&self.error_message)?;
} else {
total_size += types::String.compute_size(&self.error_message)?;
}
}
if version <= 3 {
total_size += types::Int32.compute_size(&self.node_id)?;
} else {
if self.node_id != 0 {
bail!("failed to encode");
}
}
if version <= 3 {
if version >= 3 {
total_size += types::CompactString.compute_size(&self.host)?;
} else {
total_size += types::String.compute_size(&self.host)?;
}
} else {
if !self.host.is_empty() {
bail!("failed to encode");
}
}
if version <= 3 {
total_size += types::Int32.compute_size(&self.port)?;
} else {
if self.port != 0 {
bail!("failed to encode");
}
}
if version >= 4 {
total_size +=
types::CompactArray(types::Struct { version }).compute_size(&self.coordinators)?;
} else {
if !self.coordinators.is_empty() {
bail!("failed to encode");
}
}
if version >= 3 {
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
bail!(
"Too many tagged fields to encode ({} fields)",
num_tagged_fields
);
}
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 FindCoordinatorResponse {
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 = if version <= 3 {
types::Int16.decode(buf)?
} else {
0
};
let error_message = if version >= 1 && version <= 3 {
if version >= 3 {
types::CompactString.decode(buf)?
} else {
types::String.decode(buf)?
}
} else {
Some(Default::default())
};
let node_id = if version <= 3 {
types::Int32.decode(buf)?
} else {
(0).into()
};
let host = if version <= 3 {
if version >= 3 {
types::CompactString.decode(buf)?
} else {
types::String.decode(buf)?
}
} else {
Default::default()
};
let port = if version <= 3 {
types::Int32.decode(buf)?
} else {
0
};
let coordinators = if version >= 4 {
types::CompactArray(types::Struct { version }).decode(buf)?
} else {
Default::default()
};
let mut unknown_tagged_fields = BTreeMap::new();
if version >= 3 {
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 unknown_value = buf.try_get_bytes(size as usize)?;
unknown_tagged_fields.insert(tag as i32, unknown_value);
}
}
Ok(Self {
throttle_time_ms,
error_code,
error_message,
node_id,
host,
port,
coordinators,
unknown_tagged_fields,
})
}
}
impl Default for FindCoordinatorResponse {
fn default() -> Self {
Self {
throttle_time_ms: 0,
error_code: 0,
error_message: Some(Default::default()),
node_id: (0).into(),
host: Default::default(),
port: 0,
coordinators: Default::default(),
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for FindCoordinatorResponse {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}
impl HeaderVersion for FindCoordinatorResponse {
fn header_version(version: i16) -> i16 {
if version >= 3 {
1
} else {
0
}
}
}