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crabka_protocol/opt/rustwide/workdir/generated/
FetchRequest.borrowed.rs

1// AUTO-GENERATED by crabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.
2
3use bytes::BufMut;
4
5use crate::primitives::fixed::{get_i32, get_i64, get_i8, put_i32, put_i64, put_i8};
6use crate::primitives::string_bytes::{
7    compact_nullable_string_len, compact_string_len, nullable_string_len,
8    put_compact_nullable_string, put_compact_string, put_nullable_string, put_string,
9    string_len,
10};
11use crate::primitives::string_bytes_borrowed::{
12    get_compact_nullable_string_borrowed, get_compact_string_borrowed,
13    get_nullable_string_borrowed, get_string_borrowed,
14};
15use crate::tagged_fields::{encode_to_bytes, read_tagged_fields, tagged_fields_len, WriteTaggedFields};
16use crate::{Decode, DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
17
18pub const API_KEY: i16 = 1;
19pub const MIN_VERSION: i16 = 4;
20pub const MAX_VERSION: i16 = 18;
21pub const FLEXIBLE_MIN: i16 = 12;
22
23#[inline]
24fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }
25
26#[derive(Debug, Clone, PartialEq, Eq)]
27pub struct FetchRequest<'a> {
28    pub replica_id: i32,
29    pub max_wait_ms: i32,
30    pub min_bytes: i32,
31    pub max_bytes: i32,
32    pub isolation_level: i8,
33    pub session_id: i32,
34    pub session_epoch: i32,
35    pub topics: Vec<FetchTopic<'a>>,
36    pub forgotten_topics_data: Vec<ForgottenTopic<'a>>,
37    pub rack_id: &'a str,
38    pub cluster_id: Option<String>,
39    pub replica_state: ReplicaState,
40    pub unknown_tagged_fields: UnknownTaggedFields,
41}
42
43impl<'a> Default for FetchRequest<'a> {
44    fn default() -> Self {
45        Self {
46            replica_id: -1i32,
47            max_wait_ms: 0i32,
48            min_bytes: 0i32,
49            max_bytes: 2_147_483_647i32,
50            isolation_level: 0i8,
51            session_id: 0i32,
52            session_epoch: -1i32,
53            topics: Vec::new(),
54            forgotten_topics_data: Vec::new(),
55            rack_id: "",
56            cluster_id: None,
57            replica_state: Default::default(),
58            unknown_tagged_fields: Default::default(),
59        }
60    }
61}
62
63impl<'a> FetchRequest<'a> {
64    pub fn to_owned(&self) -> crate::owned::fetch_request::FetchRequest {
65        crate::owned::fetch_request::FetchRequest {
66            replica_id: (self.replica_id),
67            max_wait_ms: (self.max_wait_ms),
68            min_bytes: (self.min_bytes),
69            max_bytes: (self.max_bytes),
70            isolation_level: (self.isolation_level),
71            session_id: (self.session_id),
72            session_epoch: (self.session_epoch),
73            topics: (self.topics).iter().map(|it| it.to_owned()).collect(),
74            forgotten_topics_data: (self.forgotten_topics_data).iter().map(|it| it.to_owned()).collect(),
75            rack_id: (self.rack_id).to_string(),
76            cluster_id: self.cluster_id.clone(),
77            replica_state: (self.replica_state).to_owned(),
78            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
79        }
80    }
81}
82
83impl<'a> Encode for FetchRequest<'a> {
84    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
85        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
86            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
87        }
88        let flex = is_flexible(version);
89        if version >= 0 && version <= 14 { put_i32(buf, self.replica_id) }
90        if version >= 0 { put_i32(buf, self.max_wait_ms) }
91        if version >= 0 { put_i32(buf, self.min_bytes) }
92        if version >= 3 { put_i32(buf, self.max_bytes) }
93        if version >= 4 { put_i8(buf, self.isolation_level) }
94        if version >= 7 { put_i32(buf, self.session_id) }
95        if version >= 7 { put_i32(buf, self.session_epoch) }
96        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.topics).len(), flex); for it in &self.topics { it.encode(buf, version)?; } } }
97        if version >= 7 { { crate::primitives::array::put_array_len(buf, (self.forgotten_topics_data).len(), flex); for it in &self.forgotten_topics_data { it.encode(buf, version)?; } } }
98        if version >= 11 { if flex { put_compact_string(buf, self.rack_id) } else { put_string(buf, self.rack_id) } }
99        if flex {
100            let mut tagged = WriteTaggedFields::new();
101            if !(self.cluster_id.is_none()) {
102                let payload = encode_to_bytes(if flex { compact_nullable_string_len(self.cluster_id.as_deref()) } else { nullable_string_len(self.cluster_id.as_deref()) }, |b| { if flex { put_compact_nullable_string(b, self.cluster_id.as_deref()) } else { put_nullable_string(b, self.cluster_id.as_deref()) }; Ok(()) });
103                tagged.add(0, payload);
104            }
105            if !(crate::codegen_helpers::is_default(&self.replica_state)) {
106                let payload = encode_to_bytes(self.replica_state.encoded_len(version), |b| { self.replica_state.encode(b, version)?; Ok(()) });
107                tagged.add(1, payload);
108            }
109            tagged.write(buf, &self.unknown_tagged_fields);
110        }
111        Ok(())
112    }
113    fn encoded_len(&self, version: i16) -> usize {
114        let flex = is_flexible(version);
115        let mut n: usize = 0;
116        if version >= 0 && version <= 14 { n += 4; }
117        if version >= 0 { n += 4; }
118        if version >= 0 { n += 4; }
119        if version >= 3 { n += 4; }
120        if version >= 4 { n += 1; }
121        if version >= 7 { n += 4; }
122        if version >= 7 { n += 4; }
123        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.topics).len(), flex); let body: usize = (self.topics).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
124        if version >= 7 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.forgotten_topics_data).len(), flex); let body: usize = (self.forgotten_topics_data).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
125        if version >= 11 { n += if flex { compact_string_len(self.rack_id) } else { string_len(self.rack_id) }; }
126        if flex {
127            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
128            if !(self.cluster_id.is_none()) {
129                known_pairs.push((0, if flex { compact_nullable_string_len(self.cluster_id.as_deref()) } else { nullable_string_len(self.cluster_id.as_deref()) }));
130            }
131            if !(crate::codegen_helpers::is_default(&self.replica_state)) {
132                known_pairs.push((1, self.replica_state.encoded_len(version)));
133            }
134            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
135        }
136        n
137    }
138}
139
140impl<'de> DecodeBorrow<'de> for FetchRequest<'de> {
141    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
142        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
143            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
144        }
145        let flex = is_flexible(version);
146        let mut out = Self::default();
147        if version >= 0 && version <= 14 { out.replica_id = get_i32(buf)?; }
148        if version >= 0 { out.max_wait_ms = get_i32(buf)?; }
149        if version >= 0 { out.min_bytes = get_i32(buf)?; }
150        if version >= 3 { out.max_bytes = get_i32(buf)?; }
151        if version >= 4 { out.isolation_level = get_i8(buf)?; }
152        if version >= 7 { out.session_id = get_i32(buf)?; }
153        if version >= 7 { out.session_epoch = get_i32(buf)?; }
154        if version >= 0 { out.topics = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(FetchTopic::decode_borrow(buf, version)?); } v }; }
155        if version >= 7 { out.forgotten_topics_data = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(ForgottenTopic::decode_borrow(buf, version)?); } v }; }
156        if version >= 11 { out.rack_id = if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }; }
157        if flex {
158            // Pre-declare typed slots for known tagged fields.
159            let mut tag_cluster_id = None;
160            let mut tag_replica_state = None;
161            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
162                match tag {
163                0 => { tag_cluster_id = Some({ let b: &mut &[u8] = payload; if flex { crate::primitives::string_bytes::get_compact_nullable_string_owned(b)? } else { crate::primitives::string_bytes::get_nullable_string_owned(b)? } }); Ok(true) }
164                1 => { tag_replica_state = Some({ let b: &mut &[u8] = payload; ReplicaState::decode_borrow(b, version)? }); Ok(true) }
165                    _ => Ok(false),
166                }
167            })?;
168            if let Some(v) = tag_cluster_id { out.cluster_id = v; }
169            if let Some(v) = tag_replica_state { out.replica_state = v; }
170        }
171        Ok(out)
172    }
173}
174
175#[derive(Debug, Clone, PartialEq, Eq)]
176pub struct ReplicaState {
177    pub replica_id: i32,
178    pub replica_epoch: i64,
179    pub unknown_tagged_fields: UnknownTaggedFields,
180}
181
182impl Default for ReplicaState {
183    fn default() -> Self {
184        Self {
185            replica_id: -1i32,
186            replica_epoch: -1i64,
187            unknown_tagged_fields: Default::default(),
188        }
189    }
190}
191
192impl ReplicaState {
193    pub fn to_owned(&self) -> crate::owned::fetch_request::ReplicaState {
194        crate::owned::fetch_request::ReplicaState {
195            replica_id: (self.replica_id),
196            replica_epoch: (self.replica_epoch),
197            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
198        }
199    }
200}
201
202impl Encode for ReplicaState {
203    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
204        let flex = version >= 12;
205        if version >= 15 { put_i32(buf, self.replica_id) }
206        if version >= 15 { put_i64(buf, self.replica_epoch) }
207        if flex {
208            let tagged = WriteTaggedFields::new();
209            tagged.write(buf, &self.unknown_tagged_fields);
210        }
211        Ok(())
212    }
213    fn encoded_len(&self, version: i16) -> usize {
214        let flex = version >= 12;
215        let mut n: usize = 0;
216        if version >= 15 { n += 4; }
217        if version >= 15 { n += 8; }
218        if flex {
219            let known_pairs: Vec<(u32, usize)> = Vec::new();
220            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
221        }
222        n
223    }
224}
225
226impl<'de> DecodeBorrow<'de> for ReplicaState {
227    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
228        let flex = version >= 12;
229        let mut out = Self::default();
230        if version >= 15 { out.replica_id = get_i32(buf)?; }
231        if version >= 15 { out.replica_epoch = get_i64(buf)?; }
232        if flex {
233            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
234                Ok(false)
235            })?;
236        }
237        Ok(out)
238    }
239}
240
241#[derive(Debug, Clone, PartialEq, Eq)]
242pub struct FetchTopic<'a> {
243    pub topic: &'a str,
244    pub topic_id: crate::primitives::uuid::Uuid,
245    pub partitions: Vec<FetchPartition>,
246    pub unknown_tagged_fields: UnknownTaggedFields,
247}
248
249impl<'a> Default for FetchTopic<'a> {
250    fn default() -> Self {
251        Self {
252            topic: "",
253            topic_id: Default::default(),
254            partitions: Vec::new(),
255            unknown_tagged_fields: Default::default(),
256        }
257    }
258}
259
260impl<'a> FetchTopic<'a> {
261    pub fn to_owned(&self) -> crate::owned::fetch_request::FetchTopic {
262        crate::owned::fetch_request::FetchTopic {
263            topic: (self.topic).to_string(),
264            topic_id: (self.topic_id),
265            partitions: (self.partitions).iter().map(|it| it.to_owned()).collect(),
266            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
267        }
268    }
269}
270
271impl<'a> Encode for FetchTopic<'a> {
272    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
273        let flex = version >= 12;
274        if version >= 0 && version <= 12 { if flex { put_compact_string(buf, self.topic) } else { put_string(buf, self.topic) } }
275        if version >= 13 { crate::primitives::uuid::put_uuid(buf, self.topic_id) }
276        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { it.encode(buf, version)?; } } }
277        if flex {
278            let tagged = WriteTaggedFields::new();
279            tagged.write(buf, &self.unknown_tagged_fields);
280        }
281        Ok(())
282    }
283    fn encoded_len(&self, version: i16) -> usize {
284        let flex = version >= 12;
285        let mut n: usize = 0;
286        if version >= 0 && version <= 12 { n += if flex { compact_string_len(self.topic) } else { string_len(self.topic) }; }
287        if version >= 13 { n += 16; }
288        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex); let body: usize = (self.partitions).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
289        if flex {
290            let known_pairs: Vec<(u32, usize)> = Vec::new();
291            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
292        }
293        n
294    }
295}
296
297impl<'de> DecodeBorrow<'de> for FetchTopic<'de> {
298    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
299        let flex = version >= 12;
300        let mut out = Self::default();
301        if version >= 0 && version <= 12 { out.topic = if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }; }
302        if version >= 13 { out.topic_id = crate::primitives::uuid::get_uuid(buf)?; }
303        if version >= 0 { out.partitions = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(FetchPartition::decode_borrow(buf, version)?); } v }; }
304        if flex {
305            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
306                Ok(false)
307            })?;
308        }
309        Ok(out)
310    }
311}
312
313#[derive(Debug, Clone, PartialEq, Eq)]
314pub struct FetchPartition {
315    pub partition: i32,
316    pub current_leader_epoch: i32,
317    pub fetch_offset: i64,
318    pub last_fetched_epoch: i32,
319    pub log_start_offset: i64,
320    pub partition_max_bytes: i32,
321    pub replica_directory_id: crate::primitives::uuid::Uuid,
322    pub high_watermark: i64,
323    pub unknown_tagged_fields: UnknownTaggedFields,
324}
325
326impl Default for FetchPartition {
327    fn default() -> Self {
328        Self {
329            partition: 0i32,
330            current_leader_epoch: -1i32,
331            fetch_offset: 0i64,
332            last_fetched_epoch: -1i32,
333            log_start_offset: -1i64,
334            partition_max_bytes: 0i32,
335            replica_directory_id: Default::default(),
336            high_watermark: 9_223_372_036_854_775_807i64,
337            unknown_tagged_fields: Default::default(),
338        }
339    }
340}
341
342impl FetchPartition {
343    pub fn to_owned(&self) -> crate::owned::fetch_request::FetchPartition {
344        crate::owned::fetch_request::FetchPartition {
345            partition: (self.partition),
346            current_leader_epoch: (self.current_leader_epoch),
347            fetch_offset: (self.fetch_offset),
348            last_fetched_epoch: (self.last_fetched_epoch),
349            log_start_offset: (self.log_start_offset),
350            partition_max_bytes: (self.partition_max_bytes),
351            replica_directory_id: (self.replica_directory_id),
352            high_watermark: (self.high_watermark),
353            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
354        }
355    }
356}
357
358impl Encode for FetchPartition {
359    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
360        let flex = version >= 12;
361        if version >= 0 { put_i32(buf, self.partition) }
362        if version >= 9 { put_i32(buf, self.current_leader_epoch) }
363        if version >= 0 { put_i64(buf, self.fetch_offset) }
364        if version >= 12 { put_i32(buf, self.last_fetched_epoch) }
365        if version >= 5 { put_i64(buf, self.log_start_offset) }
366        if version >= 0 { put_i32(buf, self.partition_max_bytes) }
367        if flex {
368            let mut tagged = WriteTaggedFields::new();
369            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
370                let payload = encode_to_bytes(16, |b| { crate::primitives::uuid::put_uuid(b, self.replica_directory_id); Ok(()) });
371                tagged.add(0, payload);
372            }
373            if !(self.high_watermark == 9_223_372_036_854_775_807i64) {
374                let payload = encode_to_bytes(8, |b| { put_i64(b, self.high_watermark); Ok(()) });
375                tagged.add(1, payload);
376            }
377            tagged.write(buf, &self.unknown_tagged_fields);
378        }
379        Ok(())
380    }
381    fn encoded_len(&self, version: i16) -> usize {
382        let flex = version >= 12;
383        let mut n: usize = 0;
384        if version >= 0 { n += 4; }
385        if version >= 9 { n += 4; }
386        if version >= 0 { n += 8; }
387        if version >= 12 { n += 4; }
388        if version >= 5 { n += 8; }
389        if version >= 0 { n += 4; }
390        if flex {
391            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
392            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
393                known_pairs.push((0, 16));
394            }
395            if !(self.high_watermark == 9_223_372_036_854_775_807i64) {
396                known_pairs.push((1, 8));
397            }
398            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
399        }
400        n
401    }
402}
403
404impl<'de> DecodeBorrow<'de> for FetchPartition {
405    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
406        let flex = version >= 12;
407        let mut out = Self::default();
408        if version >= 0 { out.partition = get_i32(buf)?; }
409        if version >= 9 { out.current_leader_epoch = get_i32(buf)?; }
410        if version >= 0 { out.fetch_offset = get_i64(buf)?; }
411        if version >= 12 { out.last_fetched_epoch = get_i32(buf)?; }
412        if version >= 5 { out.log_start_offset = get_i64(buf)?; }
413        if version >= 0 { out.partition_max_bytes = get_i32(buf)?; }
414        if flex {
415            // Pre-declare typed slots for known tagged fields.
416            let mut tag_replica_directory_id = None;
417            let mut tag_high_watermark = None;
418            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
419                match tag {
420                0 => { tag_replica_directory_id = Some({ let b: &mut &[u8] = payload; crate::primitives::uuid::get_uuid(b)? }); Ok(true) }
421                1 => { tag_high_watermark = Some({ let b: &mut &[u8] = payload; get_i64(b)? }); Ok(true) }
422                    _ => Ok(false),
423                }
424            })?;
425            if let Some(v) = tag_replica_directory_id { out.replica_directory_id = v; }
426            if let Some(v) = tag_high_watermark { out.high_watermark = v; }
427        }
428        Ok(out)
429    }
430}
431
432#[derive(Debug, Clone, PartialEq, Eq)]
433pub struct ForgottenTopic<'a> {
434    pub topic: &'a str,
435    pub topic_id: crate::primitives::uuid::Uuid,
436    pub partitions: Vec<i32>,
437    pub unknown_tagged_fields: UnknownTaggedFields,
438}
439
440impl<'a> Default for ForgottenTopic<'a> {
441    fn default() -> Self {
442        Self {
443            topic: "",
444            topic_id: Default::default(),
445            partitions: Vec::new(),
446            unknown_tagged_fields: Default::default(),
447        }
448    }
449}
450
451impl<'a> ForgottenTopic<'a> {
452    pub fn to_owned(&self) -> crate::owned::fetch_request::ForgottenTopic {
453        crate::owned::fetch_request::ForgottenTopic {
454            topic: (self.topic).to_string(),
455            topic_id: (self.topic_id),
456            partitions: (self.partitions).clone(),
457            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
458        }
459    }
460}
461
462impl<'a> Encode for ForgottenTopic<'a> {
463    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
464        let flex = version >= 12;
465        if version >= 7 && version <= 12 { if flex { put_compact_string(buf, self.topic) } else { put_string(buf, self.topic) } }
466        if version >= 13 { crate::primitives::uuid::put_uuid(buf, self.topic_id) }
467        if version >= 7 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { put_i32(buf, *it); } } }
468        if flex {
469            let tagged = WriteTaggedFields::new();
470            tagged.write(buf, &self.unknown_tagged_fields);
471        }
472        Ok(())
473    }
474    fn encoded_len(&self, version: i16) -> usize {
475        let flex = version >= 12;
476        let mut n: usize = 0;
477        if version >= 7 && version <= 12 { n += if flex { compact_string_len(self.topic) } else { string_len(self.topic) }; }
478        if version >= 13 { n += 16; }
479        if version >= 7 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex); let body: usize = (self.partitions).iter().map(|_| 4).sum(); prefix + body }; }
480        if flex {
481            let known_pairs: Vec<(u32, usize)> = Vec::new();
482            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
483        }
484        n
485    }
486}
487
488impl<'de> DecodeBorrow<'de> for ForgottenTopic<'de> {
489    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
490        let flex = version >= 12;
491        let mut out = Self::default();
492        if version >= 7 && version <= 12 { out.topic = if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }; }
493        if version >= 13 { out.topic_id = crate::primitives::uuid::get_uuid(buf)?; }
494        if version >= 7 { out.partitions = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } v }; }
495        if flex {
496            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
497                Ok(false)
498            })?;
499        }
500        Ok(out)
501    }
502}