kafka_protocol/messages/
describe_transactions_request.rs

1//! DescribeTransactionsRequest
2//!
3//! See the schema for this message [here](https://github.com/apache/kafka/blob/trunk/clients/src/main/resources/common/message/DescribeTransactionsRequest.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
21#[non_exhaustive]
22#[derive(Debug, Clone, PartialEq)]
23pub struct DescribeTransactionsRequest {
24    /// Array of transactionalIds to include in describe results. If empty, then no results will be returned.
25    ///
26    /// Supported API versions: 0
27    pub transactional_ids: Vec<super::TransactionalId>,
28
29    /// Other tagged fields
30    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
31}
32
33impl DescribeTransactionsRequest {
34    /// Sets `transactional_ids` to the passed value.
35    ///
36    /// Array of transactionalIds to include in describe results. If empty, then no results will be returned.
37    ///
38    /// Supported API versions: 0
39    pub fn with_transactional_ids(mut self, value: Vec<super::TransactionalId>) -> Self {
40        self.transactional_ids = value;
41        self
42    }
43    /// Sets unknown_tagged_fields to the passed value.
44    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
45        self.unknown_tagged_fields = value;
46        self
47    }
48    /// Inserts an entry into unknown_tagged_fields.
49    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 = "client")]
56impl Encodable for DescribeTransactionsRequest {
57    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
58        if version != 0 {
59            bail!("specified version not supported by this message type");
60        }
61        types::CompactArray(types::CompactString).encode(buf, &self.transactional_ids)?;
62        let num_tagged_fields = self.unknown_tagged_fields.len();
63        if num_tagged_fields > std::u32::MAX as usize {
64            bail!(
65                "Too many tagged fields to encode ({} fields)",
66                num_tagged_fields
67            );
68        }
69        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
70
71        write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
72        Ok(())
73    }
74    fn compute_size(&self, version: i16) -> Result<usize> {
75        let mut total_size = 0;
76        total_size +=
77            types::CompactArray(types::CompactString).compute_size(&self.transactional_ids)?;
78        let num_tagged_fields = self.unknown_tagged_fields.len();
79        if num_tagged_fields > std::u32::MAX as usize {
80            bail!(
81                "Too many tagged fields to encode ({} fields)",
82                num_tagged_fields
83            );
84        }
85        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
86
87        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
88        Ok(total_size)
89    }
90}
91
92#[cfg(feature = "broker")]
93impl Decodable for DescribeTransactionsRequest {
94    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
95        if version != 0 {
96            bail!("specified version not supported by this message type");
97        }
98        let transactional_ids = types::CompactArray(types::CompactString).decode(buf)?;
99        let mut unknown_tagged_fields = BTreeMap::new();
100        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
101        for _ in 0..num_tagged_fields {
102            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
103            let size: u32 = types::UnsignedVarInt.decode(buf)?;
104            let unknown_value = buf.try_get_bytes(size as usize)?;
105            unknown_tagged_fields.insert(tag as i32, unknown_value);
106        }
107        Ok(Self {
108            transactional_ids,
109            unknown_tagged_fields,
110        })
111    }
112}
113
114impl Default for DescribeTransactionsRequest {
115    fn default() -> Self {
116        Self {
117            transactional_ids: Default::default(),
118            unknown_tagged_fields: BTreeMap::new(),
119        }
120    }
121}
122
123impl Message for DescribeTransactionsRequest {
124    const VERSIONS: VersionRange = VersionRange { min: 0, max: 0 };
125    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
126}
127
128impl HeaderVersion for DescribeTransactionsRequest {
129    fn header_version(version: i16) -> i16 {
130        2
131    }
132}