kafka_protocol/messages/
update_metadata_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 UpdateMetadataResponse {
24 pub error_code: i16,
28
29 pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
31}
32
33impl UpdateMetadataResponse {
34 pub fn with_error_code(mut self, value: i16) -> Self {
40 self.error_code = value;
41 self
42 }
43 pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
45 self.unknown_tagged_fields = value;
46 self
47 }
48 pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
50 self.unknown_tagged_fields.insert(key, value);
51 self
52 }
53}
54
55#[cfg(feature = "broker")]
56impl Encodable for UpdateMetadataResponse {
57 fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
58 if version < 0 || version > 8 {
59 bail!("specified version not supported by this message type");
60 }
61 types::Int16.encode(buf, &self.error_code)?;
62 if version >= 6 {
63 let num_tagged_fields = self.unknown_tagged_fields.len();
64 if num_tagged_fields > std::u32::MAX as usize {
65 bail!(
66 "Too many tagged fields to encode ({} fields)",
67 num_tagged_fields
68 );
69 }
70 types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
71
72 write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
73 }
74 Ok(())
75 }
76 fn compute_size(&self, version: i16) -> Result<usize> {
77 let mut total_size = 0;
78 total_size += types::Int16.compute_size(&self.error_code)?;
79 if version >= 6 {
80 let num_tagged_fields = self.unknown_tagged_fields.len();
81 if num_tagged_fields > std::u32::MAX as usize {
82 bail!(
83 "Too many tagged fields to encode ({} fields)",
84 num_tagged_fields
85 );
86 }
87 total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
88
89 total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
90 }
91 Ok(total_size)
92 }
93}
94
95#[cfg(feature = "client")]
96impl Decodable for UpdateMetadataResponse {
97 fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
98 if version < 0 || version > 8 {
99 bail!("specified version not supported by this message type");
100 }
101 let error_code = types::Int16.decode(buf)?;
102 let mut unknown_tagged_fields = BTreeMap::new();
103 if version >= 6 {
104 let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
105 for _ in 0..num_tagged_fields {
106 let tag: u32 = types::UnsignedVarInt.decode(buf)?;
107 let size: u32 = types::UnsignedVarInt.decode(buf)?;
108 let unknown_value = buf.try_get_bytes(size as usize)?;
109 unknown_tagged_fields.insert(tag as i32, unknown_value);
110 }
111 }
112 Ok(Self {
113 error_code,
114 unknown_tagged_fields,
115 })
116 }
117}
118
119impl Default for UpdateMetadataResponse {
120 fn default() -> Self {
121 Self {
122 error_code: 0,
123 unknown_tagged_fields: BTreeMap::new(),
124 }
125 }
126}
127
128impl Message for UpdateMetadataResponse {
129 const VERSIONS: VersionRange = VersionRange { min: 0, max: 8 };
130 const DEPRECATED_VERSIONS: Option<VersionRange> = None;
131}
132
133impl HeaderVersion for UpdateMetadataResponse {
134 fn header_version(version: i16) -> i16 {
135 if version >= 6 {
136 1
137 } else {
138 0
139 }
140 }
141}