1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
#![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 InitProducerIdResponse {
pub throttle_time_ms: i32,
pub error_code: i16,
pub producer_id: super::ProducerId,
pub producer_epoch: i16,
pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}
impl Encodable for InitProducerIdResponse {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
types::Int32.encode(buf, &self.throttle_time_ms)?;
types::Int16.encode(buf, &self.error_code)?;
types::Int64.encode(buf, &self.producer_id)?;
types::Int16.encode(buf, &self.producer_epoch)?;
if version >= 2 {
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.throttle_time_ms)?;
total_size += types::Int16.compute_size(&self.error_code)?;
total_size += types::Int64.compute_size(&self.producer_id)?;
total_size += types::Int16.compute_size(&self.producer_epoch)?;
if version >= 2 {
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 InitProducerIdResponse {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let throttle_time_ms = types::Int32.decode(buf)?;
let error_code = types::Int16.decode(buf)?;
let producer_id = types::Int64.decode(buf)?;
let producer_epoch = types::Int16.decode(buf)?;
let mut unknown_tagged_fields = BTreeMap::new();
if version >= 2 {
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,
producer_id,
producer_epoch,
unknown_tagged_fields,
})
}
}
impl Default for InitProducerIdResponse {
fn default() -> Self {
Self {
throttle_time_ms: 0,
error_code: 0,
producer_id: (-1).into(),
producer_epoch: 0,
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for InitProducerIdResponse {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
}
impl HeaderVersion for InitProducerIdResponse {
fn header_version(version: i16) -> i16 {
if version >= 2 {
1
} else {
0
}
}
}