kafka_protocol/messages/
add_offsets_to_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 AddOffsetsToTxnResponse {
24 pub throttle_time_ms: i32,
28
29 pub error_code: i16,
33
34 pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
36}
37
38impl AddOffsetsToTxnResponse {
39 pub fn with_throttle_time_ms(mut self, value: i32) -> Self {
45 self.throttle_time_ms = value;
46 self
47 }
48 pub fn with_error_code(mut self, value: i16) -> Self {
54 self.error_code = value;
55 self
56 }
57 pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
59 self.unknown_tagged_fields = value;
60 self
61 }
62 pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
64 self.unknown_tagged_fields.insert(key, value);
65 self
66 }
67}
68
69#[cfg(feature = "broker")]
70impl Encodable for AddOffsetsToTxnResponse {
71 fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
72 types::Int32.encode(buf, &self.throttle_time_ms)?;
73 types::Int16.encode(buf, &self.error_code)?;
74 if version >= 3 {
75 let num_tagged_fields = self.unknown_tagged_fields.len();
76 if num_tagged_fields > std::u32::MAX as usize {
77 bail!(
78 "Too many tagged fields to encode ({} fields)",
79 num_tagged_fields
80 );
81 }
82 types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
83
84 write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
85 }
86 Ok(())
87 }
88 fn compute_size(&self, version: i16) -> Result<usize> {
89 let mut total_size = 0;
90 total_size += types::Int32.compute_size(&self.throttle_time_ms)?;
91 total_size += types::Int16.compute_size(&self.error_code)?;
92 if version >= 3 {
93 let num_tagged_fields = self.unknown_tagged_fields.len();
94 if num_tagged_fields > std::u32::MAX as usize {
95 bail!(
96 "Too many tagged fields to encode ({} fields)",
97 num_tagged_fields
98 );
99 }
100 total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
101
102 total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
103 }
104 Ok(total_size)
105 }
106}
107
108#[cfg(feature = "client")]
109impl Decodable for AddOffsetsToTxnResponse {
110 fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
111 let throttle_time_ms = types::Int32.decode(buf)?;
112 let error_code = types::Int16.decode(buf)?;
113 let mut unknown_tagged_fields = BTreeMap::new();
114 if version >= 3 {
115 let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
116 for _ in 0..num_tagged_fields {
117 let tag: u32 = types::UnsignedVarInt.decode(buf)?;
118 let size: u32 = types::UnsignedVarInt.decode(buf)?;
119 let unknown_value = buf.try_get_bytes(size as usize)?;
120 unknown_tagged_fields.insert(tag as i32, unknown_value);
121 }
122 }
123 Ok(Self {
124 throttle_time_ms,
125 error_code,
126 unknown_tagged_fields,
127 })
128 }
129}
130
131impl Default for AddOffsetsToTxnResponse {
132 fn default() -> Self {
133 Self {
134 throttle_time_ms: 0,
135 error_code: 0,
136 unknown_tagged_fields: BTreeMap::new(),
137 }
138 }
139}
140
141impl Message for AddOffsetsToTxnResponse {
142 const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
143 const DEPRECATED_VERSIONS: Option<VersionRange> = None;
144}
145
146impl HeaderVersion for AddOffsetsToTxnResponse {
147 fn header_version(version: i16) -> i16 {
148 if version >= 3 {
149 1
150 } else {
151 0
152 }
153 }
154}