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#![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}
};
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
pub struct ControlledShutdownRequest {
pub broker_id: super::BrokerId,
pub broker_epoch: i64,
pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}
impl Encodable for ControlledShutdownRequest {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
types::Int32.encode(buf, &self.broker_id)?;
if version >= 2 {
types::Int64.encode(buf, &self.broker_epoch)?;
}
if version >= 3 {
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;
total_size += types::Int32.compute_size(&self.broker_id)?;
if version >= 2 {
total_size += types::Int64.compute_size(&self.broker_epoch)?;
}
if version >= 3 {
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 ControlledShutdownRequest {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let broker_id = types::Int32.decode(buf)?;
let broker_epoch = if version >= 2 {
types::Int64.decode(buf)?
} else {
-1
};
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 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 {
broker_id,
broker_epoch,
unknown_tagged_fields,
})
}
}
impl Default for ControlledShutdownRequest {
fn default() -> Self {
Self {
broker_id: (0).into(),
broker_epoch: -1,
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for ControlledShutdownRequest {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 3 };
}
impl HeaderVersion for ControlledShutdownRequest {
fn header_version(version: i16) -> i16 {
if version >= 3 {
2
} else {
if version == 0 { 0 } else { 1 }
}
}
}