kafka_protocol/messages/
heartbeat_response.rs

1//! HeartbeatResponse
2//!
3//! See the schema for this message [here](https://github.com/apache/kafka/blob/trunk/clients/src/main/resources/common/message/HeartbeatResponse.json).
4// WARNING: the items of this module are generated and should not be edited directly
5#![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/// Valid versions: 0-4
21#[non_exhaustive]
22#[derive(Debug, Clone, PartialEq)]
23pub struct HeartbeatResponse {
24    /// The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.
25    ///
26    /// Supported API versions: 1-4
27    pub throttle_time_ms: i32,
28
29    /// The error code, or 0 if there was no error.
30    ///
31    /// Supported API versions: 0-4
32    pub error_code: i16,
33
34    /// Other tagged fields
35    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
36}
37
38impl HeartbeatResponse {
39    /// Sets `throttle_time_ms` to the passed value.
40    ///
41    /// The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.
42    ///
43    /// Supported API versions: 1-4
44    pub fn with_throttle_time_ms(mut self, value: i32) -> Self {
45        self.throttle_time_ms = value;
46        self
47    }
48    /// Sets `error_code` to the passed value.
49    ///
50    /// The error code, or 0 if there was no error.
51    ///
52    /// Supported API versions: 0-4
53    pub fn with_error_code(mut self, value: i16) -> Self {
54        self.error_code = value;
55        self
56    }
57    /// Sets unknown_tagged_fields to the passed value.
58    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
59        self.unknown_tagged_fields = value;
60        self
61    }
62    /// Inserts an entry into unknown_tagged_fields.
63    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 HeartbeatResponse {
71    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
72        if version < 0 || version > 4 {
73            bail!("specified version not supported by this message type");
74        }
75        if version >= 1 {
76            types::Int32.encode(buf, &self.throttle_time_ms)?;
77        }
78        types::Int16.encode(buf, &self.error_code)?;
79        if version >= 4 {
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            types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
88
89            write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
90        }
91        Ok(())
92    }
93    fn compute_size(&self, version: i16) -> Result<usize> {
94        let mut total_size = 0;
95        if version >= 1 {
96            total_size += types::Int32.compute_size(&self.throttle_time_ms)?;
97        }
98        total_size += types::Int16.compute_size(&self.error_code)?;
99        if version >= 4 {
100            let num_tagged_fields = self.unknown_tagged_fields.len();
101            if num_tagged_fields > std::u32::MAX as usize {
102                bail!(
103                    "Too many tagged fields to encode ({} fields)",
104                    num_tagged_fields
105                );
106            }
107            total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
108
109            total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
110        }
111        Ok(total_size)
112    }
113}
114
115#[cfg(feature = "client")]
116impl Decodable for HeartbeatResponse {
117    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
118        if version < 0 || version > 4 {
119            bail!("specified version not supported by this message type");
120        }
121        let throttle_time_ms = if version >= 1 {
122            types::Int32.decode(buf)?
123        } else {
124            0
125        };
126        let error_code = types::Int16.decode(buf)?;
127        let mut unknown_tagged_fields = BTreeMap::new();
128        if version >= 4 {
129            let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
130            for _ in 0..num_tagged_fields {
131                let tag: u32 = types::UnsignedVarInt.decode(buf)?;
132                let size: u32 = types::UnsignedVarInt.decode(buf)?;
133                let unknown_value = buf.try_get_bytes(size as usize)?;
134                unknown_tagged_fields.insert(tag as i32, unknown_value);
135            }
136        }
137        Ok(Self {
138            throttle_time_ms,
139            error_code,
140            unknown_tagged_fields,
141        })
142    }
143}
144
145impl Default for HeartbeatResponse {
146    fn default() -> Self {
147        Self {
148            throttle_time_ms: 0,
149            error_code: 0,
150            unknown_tagged_fields: BTreeMap::new(),
151        }
152    }
153}
154
155impl Message for HeartbeatResponse {
156    const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
157    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
158}
159
160impl HeaderVersion for HeartbeatResponse {
161    fn header_version(version: i16) -> i16 {
162        if version >= 4 {
163            1
164        } else {
165            0
166        }
167    }
168}