kafka_protocol/messages/
end_txn_response.rs1#![allow(unused)]
6
7use std::borrow::Borrow;
8use std::collections::BTreeMap;
9
10use anyhow::{bail, Result};
11use bytes::Bytes;
12use uuid::Uuid;
13
14use crate::protocol::{
15 buf::{ByteBuf, ByteBufMut},
16 compute_unknown_tagged_fields_size, types, write_unknown_tagged_fields, Decodable, Decoder,
17 Encodable, Encoder, HeaderVersion, Message, StrBytes, VersionRange,
18};
19
20#[non_exhaustive]
22#[derive(Debug, Clone, PartialEq)]
23pub struct EndTxnResponse {
24 pub throttle_time_ms: i32,
28
29 pub error_code: i16,
33
34 pub producer_id: super::ProducerId,
38
39 pub producer_epoch: i16,
43
44 pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
46}
47
48impl EndTxnResponse {
49 pub fn with_throttle_time_ms(mut self, value: i32) -> Self {
55 self.throttle_time_ms = value;
56 self
57 }
58 pub fn with_error_code(mut self, value: i16) -> Self {
64 self.error_code = value;
65 self
66 }
67 pub fn with_producer_id(mut self, value: super::ProducerId) -> Self {
73 self.producer_id = value;
74 self
75 }
76 pub fn with_producer_epoch(mut self, value: i16) -> Self {
82 self.producer_epoch = value;
83 self
84 }
85 pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
87 self.unknown_tagged_fields = value;
88 self
89 }
90 pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
92 self.unknown_tagged_fields.insert(key, value);
93 self
94 }
95}
96
97#[cfg(feature = "broker")]
98impl Encodable for EndTxnResponse {
99 fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
100 if version < 0 || version > 5 {
101 bail!("specified version not supported by this message type");
102 }
103 types::Int32.encode(buf, &self.throttle_time_ms)?;
104 types::Int16.encode(buf, &self.error_code)?;
105 if version >= 5 {
106 types::Int64.encode(buf, &self.producer_id)?;
107 }
108 if version >= 5 {
109 types::Int16.encode(buf, &self.producer_epoch)?;
110 }
111 if version >= 3 {
112 let num_tagged_fields = self.unknown_tagged_fields.len();
113 if num_tagged_fields > std::u32::MAX as usize {
114 bail!(
115 "Too many tagged fields to encode ({} fields)",
116 num_tagged_fields
117 );
118 }
119 types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
120
121 write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
122 }
123 Ok(())
124 }
125 fn compute_size(&self, version: i16) -> Result<usize> {
126 let mut total_size = 0;
127 total_size += types::Int32.compute_size(&self.throttle_time_ms)?;
128 total_size += types::Int16.compute_size(&self.error_code)?;
129 if version >= 5 {
130 total_size += types::Int64.compute_size(&self.producer_id)?;
131 }
132 if version >= 5 {
133 total_size += types::Int16.compute_size(&self.producer_epoch)?;
134 }
135 if version >= 3 {
136 let num_tagged_fields = self.unknown_tagged_fields.len();
137 if num_tagged_fields > std::u32::MAX as usize {
138 bail!(
139 "Too many tagged fields to encode ({} fields)",
140 num_tagged_fields
141 );
142 }
143 total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
144
145 total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
146 }
147 Ok(total_size)
148 }
149}
150
151#[cfg(feature = "client")]
152impl Decodable for EndTxnResponse {
153 fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
154 if version < 0 || version > 5 {
155 bail!("specified version not supported by this message type");
156 }
157 let throttle_time_ms = types::Int32.decode(buf)?;
158 let error_code = types::Int16.decode(buf)?;
159 let producer_id = if version >= 5 {
160 types::Int64.decode(buf)?
161 } else {
162 (-1).into()
163 };
164 let producer_epoch = if version >= 5 {
165 types::Int16.decode(buf)?
166 } else {
167 -1
168 };
169 let mut unknown_tagged_fields = BTreeMap::new();
170 if version >= 3 {
171 let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
172 for _ in 0..num_tagged_fields {
173 let tag: u32 = types::UnsignedVarInt.decode(buf)?;
174 let size: u32 = types::UnsignedVarInt.decode(buf)?;
175 let unknown_value = buf.try_get_bytes(size as usize)?;
176 unknown_tagged_fields.insert(tag as i32, unknown_value);
177 }
178 }
179 Ok(Self {
180 throttle_time_ms,
181 error_code,
182 producer_id,
183 producer_epoch,
184 unknown_tagged_fields,
185 })
186 }
187}
188
189impl Default for EndTxnResponse {
190 fn default() -> Self {
191 Self {
192 throttle_time_ms: 0,
193 error_code: 0,
194 producer_id: (-1).into(),
195 producer_epoch: -1,
196 unknown_tagged_fields: BTreeMap::new(),
197 }
198 }
199}
200
201impl Message for EndTxnResponse {
202 const VERSIONS: VersionRange = VersionRange { min: 0, max: 5 };
203 const DEPRECATED_VERSIONS: Option<VersionRange> = None;
204}
205
206impl HeaderVersion for EndTxnResponse {
207 fn header_version(version: i16) -> i16 {
208 if version >= 3 {
209 1
210 } else {
211 0
212 }
213 }
214}