1use bytes::BufMut;
4
5use crate::primitives::fixed::{get_i16, get_i32, get_i64, put_i16, put_i32, put_i64};
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, string_len,
9};
10use crate::primitives::string_bytes::{
11 put_bytes, put_compact_bytes, put_compact_nullable_bytes, put_nullable_bytes,
12};
13use crate::primitives::string_bytes_borrowed::{
14 get_compact_nullable_bytes_borrowed, get_nullable_bytes_borrowed,
15};
16use crate::primitives::string_bytes_borrowed::{
17 get_compact_nullable_string_borrowed, get_compact_string_borrowed,
18 get_nullable_string_borrowed, get_string_borrowed,
19};
20use crate::tagged_fields::{
21 WriteTaggedFields, encode_to_bytes, read_tagged_fields, tagged_fields_len,
22};
23use crate::{Decode, DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
24
25pub const API_KEY: i16 = 1;
26pub const MIN_VERSION: i16 = 4;
27pub const MAX_VERSION: i16 = 18;
28pub const FLEXIBLE_MIN: i16 = 12;
29
30#[inline]
31fn is_flexible(version: i16) -> bool {
32 version >= FLEXIBLE_MIN
33}
34
35#[derive(Debug, Clone, PartialEq, Eq, Default)]
36pub struct FetchResponse<'a> {
37 pub throttle_time_ms: i32,
38 pub error_code: i16,
39 pub session_id: i32,
40 pub responses: Vec<FetchableTopicResponse<'a>>,
41 pub node_endpoints: Vec<crate::owned::fetch_response::NodeEndpoint>,
42 pub unknown_tagged_fields: UnknownTaggedFields,
43}
44impl FetchResponse<'_> {
45 pub fn to_owned(&self) -> crate::owned::fetch_response::FetchResponse {
46 crate::owned::fetch_response::FetchResponse {
47 throttle_time_ms: (self.throttle_time_ms),
48 error_code: (self.error_code),
49 session_id: (self.session_id),
50 responses: (self.responses)
51 .iter()
52 .map(FetchableTopicResponse::to_owned)
53 .collect(),
54 node_endpoints: self.node_endpoints.clone(),
55 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
56 }
57 }
58}
59impl Encode for FetchResponse<'_> {
60 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
61 if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
62 return Err(ProtocolError::UnsupportedVersion {
63 api_key: API_KEY,
64 version,
65 });
66 }
67 let flex = is_flexible(version);
68 if version >= 1 {
69 put_i32(buf, self.throttle_time_ms);
70 }
71 if version >= 7 {
72 put_i16(buf, self.error_code);
73 }
74 if version >= 7 {
75 put_i32(buf, self.session_id);
76 }
77 if version >= 0 {
78 {
79 crate::primitives::array::put_array_len(buf, (self.responses).len(), flex);
80 for it in &self.responses {
81 it.encode(buf, version)?;
82 }
83 }
84 }
85 if flex {
86 let mut tagged = WriteTaggedFields::new();
87 if !(crate::codegen_helpers::is_default(&self.node_endpoints)) {
88 let payload = encode_to_bytes(
89 {
90 let prefix = crate::primitives::array::array_len_prefix_len(
91 (self.node_endpoints).len(),
92 flex,
93 );
94 let body: usize = (self.node_endpoints)
95 .iter()
96 .map(|it| it.encoded_len(version))
97 .sum();
98 prefix + body
99 },
100 |b| {
101 {
102 crate::primitives::array::put_array_len(
103 b,
104 (self.node_endpoints).len(),
105 flex,
106 );
107 for it in &self.node_endpoints {
108 it.encode(b, version)?;
109 }
110 };
111 Ok(())
112 },
113 );
114 tagged.add(0, payload);
115 }
116 tagged.write(buf, &self.unknown_tagged_fields);
117 }
118 Ok(())
119 }
120 fn encoded_len(&self, version: i16) -> usize {
121 let flex = is_flexible(version);
122 let mut n: usize = 0;
123 if version >= 1 {
124 n += 4;
125 }
126 if version >= 7 {
127 n += 2;
128 }
129 if version >= 7 {
130 n += 4;
131 }
132 if version >= 0 {
133 n += {
134 let prefix =
135 crate::primitives::array::array_len_prefix_len((self.responses).len(), flex);
136 let body: usize = (self.responses)
137 .iter()
138 .map(|it| it.encoded_len(version))
139 .sum();
140 prefix + body
141 };
142 }
143 if flex {
144 let mut known_pairs: Vec<(u32, usize)> = Vec::new();
145 if !(crate::codegen_helpers::is_default(&self.node_endpoints)) {
146 known_pairs.push((0, {
147 let prefix = crate::primitives::array::array_len_prefix_len(
148 (self.node_endpoints).len(),
149 flex,
150 );
151 let body: usize = (self.node_endpoints)
152 .iter()
153 .map(|it| it.encoded_len(version))
154 .sum();
155 prefix + body
156 }));
157 }
158 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
159 }
160 n
161 }
162}
163impl<'de> DecodeBorrow<'de> for FetchResponse<'de> {
164 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
165 if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
166 return Err(ProtocolError::UnsupportedVersion {
167 api_key: API_KEY,
168 version,
169 });
170 }
171 let flex = is_flexible(version);
172 let mut out = Self::default();
173 if version >= 1 {
174 out.throttle_time_ms = get_i32(buf)?;
175 }
176 if version >= 7 {
177 out.error_code = get_i16(buf)?;
178 }
179 if version >= 7 {
180 out.session_id = get_i32(buf)?;
181 }
182 if version >= 0 {
183 out.responses = {
184 let n = crate::primitives::array::get_array_len(buf, flex)?;
185 let mut v = Vec::with_capacity(n);
186 for _ in 0..n {
187 v.push(FetchableTopicResponse::decode_borrow(buf, version)?);
188 }
189 v
190 };
191 }
192 if flex {
193 let mut tag_node_endpoints = None;
194 out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
195 0 => {
196 tag_node_endpoints = Some({
197 let b: &mut &[u8] = payload;
198 {
199 let n = crate::primitives::array::get_array_len(b, flex)?;
200 let mut v = Vec::with_capacity(n);
201 for _ in 0..n {
202 v.push(crate::owned::fetch_response::NodeEndpoint::decode(
203 b, version,
204 )?);
205 }
206 v
207 }
208 });
209 Ok(true)
210 }
211 _ => Ok(false),
212 })?;
213 if let Some(v) = tag_node_endpoints {
214 out.node_endpoints = v;
215 }
216 }
217 Ok(out)
218 }
219}
220#[cfg(test)]
221impl FetchResponse<'_> {
222 #[must_use]
223 pub fn populated(version: i16) -> Self {
224 let mut m = Self::default();
225 if version >= 1 {
226 m.throttle_time_ms = 1i32;
227 }
228 if version >= 7 {
229 m.error_code = 1i16;
230 }
231 if version >= 7 {
232 m.session_id = 1i32;
233 }
234 if version >= 0 {
235 m.responses = vec![FetchableTopicResponse::populated(version)];
236 }
237 if version >= 16 {
238 m.node_endpoints = vec![crate::owned::fetch_response::NodeEndpoint::populated(
239 version,
240 )];
241 }
242 m
243 }
244}
245#[derive(Debug, Clone, PartialEq, Eq, Default)]
246pub struct FetchableTopicResponse<'a> {
247 pub topic: &'a str,
248 pub topic_id: crate::primitives::uuid::Uuid,
249 pub partitions: Vec<PartitionData<'a>>,
250 pub unknown_tagged_fields: UnknownTaggedFields,
251}
252impl FetchableTopicResponse<'_> {
253 pub fn to_owned(&self) -> crate::owned::fetch_response::FetchableTopicResponse {
254 crate::owned::fetch_response::FetchableTopicResponse {
255 topic: (self.topic).to_string(),
256 topic_id: (self.topic_id),
257 partitions: (self.partitions)
258 .iter()
259 .map(PartitionData::to_owned)
260 .collect(),
261 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
262 }
263 }
264}
265impl Encode for FetchableTopicResponse<'_> {
266 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
267 let flex = version >= 12;
268 if (0..=12).contains(&version) {
269 if flex {
270 put_compact_string(buf, self.topic);
271 } else {
272 put_string(buf, self.topic);
273 }
274 }
275 if version >= 13 {
276 crate::primitives::uuid::put_uuid(buf, self.topic_id);
277 }
278 if version >= 0 {
279 {
280 crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex);
281 for it in &self.partitions {
282 it.encode(buf, version)?;
283 }
284 }
285 }
286 if flex {
287 let tagged = WriteTaggedFields::new();
288 tagged.write(buf, &self.unknown_tagged_fields);
289 }
290 Ok(())
291 }
292 fn encoded_len(&self, version: i16) -> usize {
293 let flex = version >= 12;
294 let mut n: usize = 0;
295 if (0..=12).contains(&version) {
296 n += if flex {
297 compact_string_len(self.topic)
298 } else {
299 string_len(self.topic)
300 };
301 }
302 if version >= 13 {
303 n += 16;
304 }
305 if version >= 0 {
306 n += {
307 let prefix =
308 crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex);
309 let body: usize = (self.partitions)
310 .iter()
311 .map(|it| it.encoded_len(version))
312 .sum();
313 prefix + body
314 };
315 }
316 if flex {
317 let known_pairs: Vec<(u32, usize)> = Vec::new();
318 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
319 }
320 n
321 }
322}
323impl<'de> DecodeBorrow<'de> for FetchableTopicResponse<'de> {
324 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
325 let flex = version >= 12;
326 let mut out = Self::default();
327 if (0..=12).contains(&version) {
328 out.topic = if flex {
329 get_compact_string_borrowed(buf)?
330 } else {
331 get_string_borrowed(buf)?
332 };
333 }
334 if version >= 13 {
335 out.topic_id = crate::primitives::uuid::get_uuid(buf)?;
336 }
337 if version >= 0 {
338 out.partitions = {
339 let n = crate::primitives::array::get_array_len(buf, flex)?;
340 let mut v = Vec::with_capacity(n);
341 for _ in 0..n {
342 v.push(PartitionData::decode_borrow(buf, version)?);
343 }
344 v
345 };
346 }
347 if flex {
348 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
349 }
350 Ok(out)
351 }
352}
353#[cfg(test)]
354impl FetchableTopicResponse<'_> {
355 #[must_use]
356 pub fn populated(version: i16) -> Self {
357 let mut m = Self::default();
358 if (0..=12).contains(&version) {
359 m.topic = "x";
360 }
361 if version >= 13 {
362 m.topic_id = crate::primitives::uuid::Uuid([1u8; 16]);
363 }
364 if version >= 0 {
365 m.partitions = vec![PartitionData::populated(version)];
366 }
367 m
368 }
369}
370#[derive(Debug, Clone, PartialEq, Eq)]
371pub struct PartitionData<'a> {
372 pub partition_index: i32,
373 pub error_code: i16,
374 pub high_watermark: i64,
375 pub last_stable_offset: i64,
376 pub log_start_offset: i64,
377 pub aborted_transactions: Option<Vec<AbortedTransaction>>,
378 pub preferred_read_replica: i32,
379 pub records: Option<crate::records::RecordsPayloadBorrowed<'a>>,
380 pub diverging_epoch: EpochEndOffset,
381 pub current_leader: LeaderIdAndEpoch,
382 pub snapshot_id: SnapshotId,
383 pub unknown_tagged_fields: UnknownTaggedFields,
384}
385impl Default for PartitionData<'_> {
386 fn default() -> Self {
387 Self {
388 partition_index: 0i32,
389 error_code: 0i16,
390 high_watermark: 0i64,
391 last_stable_offset: -1i64,
392 log_start_offset: -1i64,
393 aborted_transactions: None,
394 preferred_read_replica: -1i32,
395 records: None,
396 diverging_epoch: Default::default(),
397 current_leader: Default::default(),
398 snapshot_id: Default::default(),
399 unknown_tagged_fields: Default::default(),
400 }
401 }
402}
403impl PartitionData<'_> {
404 pub fn to_owned(&self) -> crate::owned::fetch_response::PartitionData {
405 crate::owned::fetch_response::PartitionData {
406 partition_index: (self.partition_index),
407 error_code: (self.error_code),
408 high_watermark: (self.high_watermark),
409 last_stable_offset: (self.last_stable_offset),
410 log_start_offset: (self.log_start_offset),
411 aborted_transactions: (self.aborted_transactions)
412 .as_ref()
413 .map(|v| v.iter().map(AbortedTransaction::to_owned).collect()),
414 preferred_read_replica: (self.preferred_read_replica),
415 records: (self.records)
416 .as_ref()
417 .map(|rb| rb.to_owned().expect("records to_owned")),
418 diverging_epoch: (self.diverging_epoch).to_owned(),
419 current_leader: (self.current_leader).to_owned(),
420 snapshot_id: (self.snapshot_id).to_owned(),
421 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
422 }
423 }
424}
425impl Encode for PartitionData<'_> {
426 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
427 let flex = version >= 12;
428 if version >= 0 {
429 put_i32(buf, self.partition_index);
430 }
431 if version >= 0 {
432 put_i16(buf, self.error_code);
433 }
434 if version >= 0 {
435 put_i64(buf, self.high_watermark);
436 }
437 if version >= 4 {
438 put_i64(buf, self.last_stable_offset);
439 }
440 if version >= 5 {
441 put_i64(buf, self.log_start_offset);
442 }
443 if version >= 4 {
444 {
445 let len = (self.aborted_transactions).as_ref().map(Vec::len);
446 crate::primitives::array::put_nullable_array_len(buf, len, flex);
447 if let Some(v) = &self.aborted_transactions {
448 for it in v {
449 it.encode(buf, version)?;
450 }
451 }
452 }
453 }
454 if version >= 11 {
455 put_i32(buf, self.preferred_read_replica);
456 }
457 if version >= 0 {
458 match &self.records {
459 None => {
460 if flex {
461 put_compact_nullable_bytes(buf, None);
462 } else {
463 put_nullable_bytes(buf, None);
464 }
465 }
466 Some(__rb) => {
467 let mut __rb_buf = bytes::BytesMut::new();
468 <crate::records::RecordsPayloadBorrowed as crate::Encode>::encode(
469 __rb,
470 &mut __rb_buf,
471 version,
472 )?;
473 if flex {
474 put_compact_bytes(buf, &__rb_buf);
475 } else {
476 put_bytes(buf, &__rb_buf);
477 }
478 }
479 }
480 }
481 if flex {
482 let mut tagged = WriteTaggedFields::new();
483 if !(crate::codegen_helpers::is_default(&self.diverging_epoch)) {
484 let payload = encode_to_bytes(self.diverging_epoch.encoded_len(version), |b| {
485 self.diverging_epoch.encode(b, version)?;
486 Ok(())
487 });
488 tagged.add(0, payload);
489 }
490 if !(crate::codegen_helpers::is_default(&self.current_leader)) {
491 let payload = encode_to_bytes(self.current_leader.encoded_len(version), |b| {
492 self.current_leader.encode(b, version)?;
493 Ok(())
494 });
495 tagged.add(1, payload);
496 }
497 if !(crate::codegen_helpers::is_default(&self.snapshot_id)) {
498 let payload = encode_to_bytes(self.snapshot_id.encoded_len(version), |b| {
499 self.snapshot_id.encode(b, version)?;
500 Ok(())
501 });
502 tagged.add(2, payload);
503 }
504 tagged.write(buf, &self.unknown_tagged_fields);
505 }
506 Ok(())
507 }
508 fn encoded_len(&self, version: i16) -> usize {
509 let flex = version >= 12;
510 let mut n: usize = 0;
511 if version >= 0 {
512 n += 4;
513 }
514 if version >= 0 {
515 n += 2;
516 }
517 if version >= 0 {
518 n += 8;
519 }
520 if version >= 4 {
521 n += 8;
522 }
523 if version >= 5 {
524 n += 8;
525 }
526 if version >= 4 {
527 n += {
528 let opt: Option<&Vec<_>> = (self.aborted_transactions).as_ref();
529 let prefix = crate::primitives::array::nullable_array_len_prefix_len(
530 opt.map(std::vec::Vec::len),
531 flex,
532 );
533 let body: usize =
534 opt.map_or(0, |v| v.iter().map(|it| it.encoded_len(version)).sum());
535 prefix + body
536 };
537 }
538 if version >= 11 {
539 n += 4;
540 }
541 if version >= 0 {
542 n += match &self.records {
543 None => {
544 if flex {
545 crate::primitives::varint::uvarint_len(0)
546 } else {
547 4
548 }
549 }
550 Some(__rb) => {
551 let __rb_len =
552 <crate::records::RecordsPayloadBorrowed as crate::Encode>::encoded_len(
553 __rb, version,
554 );
555 if flex {
556 crate::primitives::string_bytes::compact_bytes_len_from_size(__rb_len)
557 } else {
558 4 + __rb_len
559 }
560 }
561 };
562 }
563 if flex {
564 let mut known_pairs: Vec<(u32, usize)> = Vec::new();
565 if !(crate::codegen_helpers::is_default(&self.diverging_epoch)) {
566 known_pairs.push((0, self.diverging_epoch.encoded_len(version)));
567 }
568 if !(crate::codegen_helpers::is_default(&self.current_leader)) {
569 known_pairs.push((1, self.current_leader.encoded_len(version)));
570 }
571 if !(crate::codegen_helpers::is_default(&self.snapshot_id)) {
572 known_pairs.push((2, self.snapshot_id.encoded_len(version)));
573 }
574 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
575 }
576 n
577 }
578}
579impl<'de> DecodeBorrow<'de> for PartitionData<'de> {
580 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
581 let flex = version >= 12;
582 let mut out = Self::default();
583 if version >= 0 {
584 out.partition_index = get_i32(buf)?;
585 }
586 if version >= 0 {
587 out.error_code = get_i16(buf)?;
588 }
589 if version >= 0 {
590 out.high_watermark = get_i64(buf)?;
591 }
592 if version >= 4 {
593 out.last_stable_offset = get_i64(buf)?;
594 }
595 if version >= 5 {
596 out.log_start_offset = get_i64(buf)?;
597 }
598 if version >= 4 {
599 out.aborted_transactions = {
600 let opt = crate::primitives::array::get_nullable_array_len(buf, flex)?;
601 match opt {
602 None => None,
603 Some(n) => {
604 let mut v = Vec::with_capacity(n);
605 for _ in 0..n {
606 v.push(AbortedTransaction::decode_borrow(buf, version)?);
607 }
608 Some(v)
609 }
610 }
611 };
612 }
613 if version >= 11 {
614 out.preferred_read_replica = get_i32(buf)?;
615 }
616 if version >= 0 {
617 out.records = {
618 let __rb_opt = if flex {
619 get_compact_nullable_bytes_borrowed(buf)?
620 } else {
621 get_nullable_bytes_borrowed(buf)?
622 };
623 match __rb_opt {
624 None => None,
625 Some(__rb_slice) => {
626 let mut __rb_cur = __rb_slice;
627 Some (< crate :: records :: RecordsPayloadBorrowed as crate :: DecodeBorrow >:: decode_borrow (& mut __rb_cur , version) ?)
628 }
629 }
630 };
631 }
632 if flex {
633 let mut tag_diverging_epoch = None;
634 let mut tag_current_leader = None;
635 let mut tag_snapshot_id = None;
636 out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
637 0 => {
638 tag_diverging_epoch = Some({
639 let b: &mut &[u8] = payload;
640 EpochEndOffset::decode_borrow(b, version)?
641 });
642 Ok(true)
643 }
644 1 => {
645 tag_current_leader = Some({
646 let b: &mut &[u8] = payload;
647 LeaderIdAndEpoch::decode_borrow(b, version)?
648 });
649 Ok(true)
650 }
651 2 => {
652 tag_snapshot_id = Some({
653 let b: &mut &[u8] = payload;
654 SnapshotId::decode_borrow(b, version)?
655 });
656 Ok(true)
657 }
658 _ => Ok(false),
659 })?;
660 if let Some(v) = tag_diverging_epoch {
661 out.diverging_epoch = v;
662 }
663 if let Some(v) = tag_current_leader {
664 out.current_leader = v;
665 }
666 if let Some(v) = tag_snapshot_id {
667 out.snapshot_id = v;
668 }
669 }
670 Ok(out)
671 }
672}
673#[cfg(test)]
674impl PartitionData<'_> {
675 #[must_use]
676 pub fn populated(version: i16) -> Self {
677 let mut m = Self::default();
678 if version >= 0 {
679 m.partition_index = 1i32;
680 }
681 if version >= 0 {
682 m.error_code = 1i16;
683 }
684 if version >= 0 {
685 m.high_watermark = 1i64;
686 }
687 if version >= 4 {
688 m.last_stable_offset = 1i64;
689 }
690 if version >= 5 {
691 m.log_start_offset = 1i64;
692 }
693 if version >= 4 {
694 m.aborted_transactions = Some(vec![AbortedTransaction::populated(version)]);
695 }
696 if version >= 11 {
697 m.preferred_read_replica = 1i32;
698 }
699 if version >= 12 {
700 m.diverging_epoch = EpochEndOffset::populated(version);
701 }
702 if version >= 12 {
703 m.current_leader = LeaderIdAndEpoch::populated(version);
704 }
705 if version >= 12 {
706 m.snapshot_id = SnapshotId::populated(version);
707 }
708 m
709 }
710}
711#[derive(Debug, Clone, PartialEq, Eq)]
712pub struct EpochEndOffset {
713 pub epoch: i32,
714 pub end_offset: i64,
715 pub unknown_tagged_fields: UnknownTaggedFields,
716}
717impl Default for EpochEndOffset {
718 fn default() -> Self {
719 Self {
720 epoch: -1i32,
721 end_offset: -1i64,
722 unknown_tagged_fields: Default::default(),
723 }
724 }
725}
726impl EpochEndOffset {
727 pub fn to_owned(&self) -> crate::owned::fetch_response::EpochEndOffset {
728 crate::owned::fetch_response::EpochEndOffset {
729 epoch: (self.epoch),
730 end_offset: (self.end_offset),
731 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
732 }
733 }
734}
735impl Encode for EpochEndOffset {
736 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
737 let flex = version >= 12;
738 if version >= 12 {
739 put_i32(buf, self.epoch);
740 }
741 if version >= 12 {
742 put_i64(buf, self.end_offset);
743 }
744 if flex {
745 let tagged = WriteTaggedFields::new();
746 tagged.write(buf, &self.unknown_tagged_fields);
747 }
748 Ok(())
749 }
750 fn encoded_len(&self, version: i16) -> usize {
751 let flex = version >= 12;
752 let mut n: usize = 0;
753 if version >= 12 {
754 n += 4;
755 }
756 if version >= 12 {
757 n += 8;
758 }
759 if flex {
760 let known_pairs: Vec<(u32, usize)> = Vec::new();
761 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
762 }
763 n
764 }
765}
766impl<'de> DecodeBorrow<'de> for EpochEndOffset {
767 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
768 let flex = version >= 12;
769 let mut out = Self::default();
770 if version >= 12 {
771 out.epoch = get_i32(buf)?;
772 }
773 if version >= 12 {
774 out.end_offset = get_i64(buf)?;
775 }
776 if flex {
777 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
778 }
779 Ok(out)
780 }
781}
782#[cfg(test)]
783impl EpochEndOffset {
784 #[must_use]
785 pub fn populated(version: i16) -> Self {
786 let mut m = Self::default();
787 if version >= 12 {
788 m.epoch = 1i32;
789 }
790 if version >= 12 {
791 m.end_offset = 1i64;
792 }
793 m
794 }
795}
796#[derive(Debug, Clone, PartialEq, Eq)]
797pub struct LeaderIdAndEpoch {
798 pub leader_id: i32,
799 pub leader_epoch: i32,
800 pub unknown_tagged_fields: UnknownTaggedFields,
801}
802impl Default for LeaderIdAndEpoch {
803 fn default() -> Self {
804 Self {
805 leader_id: -1i32,
806 leader_epoch: -1i32,
807 unknown_tagged_fields: Default::default(),
808 }
809 }
810}
811impl LeaderIdAndEpoch {
812 pub fn to_owned(&self) -> crate::owned::fetch_response::LeaderIdAndEpoch {
813 crate::owned::fetch_response::LeaderIdAndEpoch {
814 leader_id: (self.leader_id),
815 leader_epoch: (self.leader_epoch),
816 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
817 }
818 }
819}
820impl Encode for LeaderIdAndEpoch {
821 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
822 let flex = version >= 12;
823 if version >= 12 {
824 put_i32(buf, self.leader_id);
825 }
826 if version >= 12 {
827 put_i32(buf, self.leader_epoch);
828 }
829 if flex {
830 let tagged = WriteTaggedFields::new();
831 tagged.write(buf, &self.unknown_tagged_fields);
832 }
833 Ok(())
834 }
835 fn encoded_len(&self, version: i16) -> usize {
836 let flex = version >= 12;
837 let mut n: usize = 0;
838 if version >= 12 {
839 n += 4;
840 }
841 if version >= 12 {
842 n += 4;
843 }
844 if flex {
845 let known_pairs: Vec<(u32, usize)> = Vec::new();
846 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
847 }
848 n
849 }
850}
851impl<'de> DecodeBorrow<'de> for LeaderIdAndEpoch {
852 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
853 let flex = version >= 12;
854 let mut out = Self::default();
855 if version >= 12 {
856 out.leader_id = get_i32(buf)?;
857 }
858 if version >= 12 {
859 out.leader_epoch = get_i32(buf)?;
860 }
861 if flex {
862 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
863 }
864 Ok(out)
865 }
866}
867#[cfg(test)]
868impl LeaderIdAndEpoch {
869 #[must_use]
870 pub fn populated(version: i16) -> Self {
871 let mut m = Self::default();
872 if version >= 12 {
873 m.leader_id = 1i32;
874 }
875 if version >= 12 {
876 m.leader_epoch = 1i32;
877 }
878 m
879 }
880}
881#[derive(Debug, Clone, PartialEq, Eq)]
882pub struct SnapshotId {
883 pub end_offset: i64,
884 pub epoch: i32,
885 pub unknown_tagged_fields: UnknownTaggedFields,
886}
887impl Default for SnapshotId {
888 fn default() -> Self {
889 Self {
890 end_offset: -1i64,
891 epoch: -1i32,
892 unknown_tagged_fields: Default::default(),
893 }
894 }
895}
896impl SnapshotId {
897 pub fn to_owned(&self) -> crate::owned::fetch_response::SnapshotId {
898 crate::owned::fetch_response::SnapshotId {
899 end_offset: (self.end_offset),
900 epoch: (self.epoch),
901 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
902 }
903 }
904}
905impl Encode for SnapshotId {
906 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
907 let flex = version >= 12;
908 if version >= 0 {
909 put_i64(buf, self.end_offset);
910 }
911 if version >= 0 {
912 put_i32(buf, self.epoch);
913 }
914 if flex {
915 let tagged = WriteTaggedFields::new();
916 tagged.write(buf, &self.unknown_tagged_fields);
917 }
918 Ok(())
919 }
920 fn encoded_len(&self, version: i16) -> usize {
921 let flex = version >= 12;
922 let mut n: usize = 0;
923 if version >= 0 {
924 n += 8;
925 }
926 if version >= 0 {
927 n += 4;
928 }
929 if flex {
930 let known_pairs: Vec<(u32, usize)> = Vec::new();
931 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
932 }
933 n
934 }
935}
936impl<'de> DecodeBorrow<'de> for SnapshotId {
937 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
938 let flex = version >= 12;
939 let mut out = Self::default();
940 if version >= 0 {
941 out.end_offset = get_i64(buf)?;
942 }
943 if version >= 0 {
944 out.epoch = get_i32(buf)?;
945 }
946 if flex {
947 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
948 }
949 Ok(out)
950 }
951}
952#[cfg(test)]
953impl SnapshotId {
954 #[must_use]
955 pub fn populated(version: i16) -> Self {
956 let mut m = Self::default();
957 if version >= 0 {
958 m.end_offset = 1i64;
959 }
960 if version >= 0 {
961 m.epoch = 1i32;
962 }
963 m
964 }
965}
966#[derive(Debug, Clone, PartialEq, Eq, Default)]
967pub struct AbortedTransaction {
968 pub producer_id: i64,
969 pub first_offset: i64,
970 pub unknown_tagged_fields: UnknownTaggedFields,
971}
972impl AbortedTransaction {
973 pub fn to_owned(&self) -> crate::owned::fetch_response::AbortedTransaction {
974 crate::owned::fetch_response::AbortedTransaction {
975 producer_id: (self.producer_id),
976 first_offset: (self.first_offset),
977 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
978 }
979 }
980}
981impl Encode for AbortedTransaction {
982 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
983 let flex = version >= 12;
984 if version >= 4 {
985 put_i64(buf, self.producer_id);
986 }
987 if version >= 4 {
988 put_i64(buf, self.first_offset);
989 }
990 if flex {
991 let tagged = WriteTaggedFields::new();
992 tagged.write(buf, &self.unknown_tagged_fields);
993 }
994 Ok(())
995 }
996 fn encoded_len(&self, version: i16) -> usize {
997 let flex = version >= 12;
998 let mut n: usize = 0;
999 if version >= 4 {
1000 n += 8;
1001 }
1002 if version >= 4 {
1003 n += 8;
1004 }
1005 if flex {
1006 let known_pairs: Vec<(u32, usize)> = Vec::new();
1007 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
1008 }
1009 n
1010 }
1011}
1012impl<'de> DecodeBorrow<'de> for AbortedTransaction {
1013 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
1014 let flex = version >= 12;
1015 let mut out = Self::default();
1016 if version >= 4 {
1017 out.producer_id = get_i64(buf)?;
1018 }
1019 if version >= 4 {
1020 out.first_offset = get_i64(buf)?;
1021 }
1022 if flex {
1023 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
1024 }
1025 Ok(out)
1026 }
1027}
1028#[cfg(test)]
1029impl AbortedTransaction {
1030 #[must_use]
1031 pub fn populated(version: i16) -> Self {
1032 let mut m = Self::default();
1033 if version >= 4 {
1034 m.producer_id = 1i64;
1035 }
1036 if version >= 4 {
1037 m.first_offset = 1i64;
1038 }
1039 m
1040 }
1041}
1042#[derive(Debug, Clone, PartialEq, Eq, Default)]
1043pub struct NodeEndpoint<'a> {
1044 pub node_id: i32,
1045 pub host: &'a str,
1046 pub port: i32,
1047 pub rack: Option<&'a str>,
1048 pub unknown_tagged_fields: UnknownTaggedFields,
1049}
1050impl NodeEndpoint<'_> {
1051 pub fn to_owned(&self) -> crate::owned::fetch_response::NodeEndpoint {
1052 crate::owned::fetch_response::NodeEndpoint {
1053 node_id: (self.node_id),
1054 host: (self.host).to_string(),
1055 port: (self.port),
1056 rack: (self.rack).map(std::string::ToString::to_string),
1057 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
1058 }
1059 }
1060}
1061impl Encode for NodeEndpoint<'_> {
1062 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
1063 let flex = version >= 12;
1064 if version >= 16 {
1065 put_i32(buf, self.node_id);
1066 }
1067 if version >= 16 {
1068 if flex {
1069 put_compact_string(buf, self.host);
1070 } else {
1071 put_string(buf, self.host);
1072 }
1073 }
1074 if version >= 16 {
1075 put_i32(buf, self.port);
1076 }
1077 if version >= 16 {
1078 if flex {
1079 put_compact_nullable_string(buf, self.rack);
1080 } else {
1081 put_nullable_string(buf, self.rack);
1082 }
1083 }
1084 if flex {
1085 let tagged = WriteTaggedFields::new();
1086 tagged.write(buf, &self.unknown_tagged_fields);
1087 }
1088 Ok(())
1089 }
1090 fn encoded_len(&self, version: i16) -> usize {
1091 let flex = version >= 12;
1092 let mut n: usize = 0;
1093 if version >= 16 {
1094 n += 4;
1095 }
1096 if version >= 16 {
1097 n += if flex {
1098 compact_string_len(self.host)
1099 } else {
1100 string_len(self.host)
1101 };
1102 }
1103 if version >= 16 {
1104 n += 4;
1105 }
1106 if version >= 16 {
1107 n += if flex {
1108 compact_nullable_string_len(self.rack)
1109 } else {
1110 nullable_string_len(self.rack)
1111 };
1112 }
1113 if flex {
1114 let known_pairs: Vec<(u32, usize)> = Vec::new();
1115 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
1116 }
1117 n
1118 }
1119}
1120impl<'de> DecodeBorrow<'de> for NodeEndpoint<'de> {
1121 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
1122 let flex = version >= 12;
1123 let mut out = Self::default();
1124 if version >= 16 {
1125 out.node_id = get_i32(buf)?;
1126 }
1127 if version >= 16 {
1128 out.host = if flex {
1129 get_compact_string_borrowed(buf)?
1130 } else {
1131 get_string_borrowed(buf)?
1132 };
1133 }
1134 if version >= 16 {
1135 out.port = get_i32(buf)?;
1136 }
1137 if version >= 16 {
1138 out.rack = if flex {
1139 get_compact_nullable_string_borrowed(buf)?
1140 } else {
1141 get_nullable_string_borrowed(buf)?
1142 };
1143 }
1144 if flex {
1145 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
1146 }
1147 Ok(out)
1148 }
1149}
1150#[cfg(test)]
1151impl NodeEndpoint<'_> {
1152 #[must_use]
1153 pub fn populated(version: i16) -> Self {
1154 let mut m = Self::default();
1155 if version >= 16 {
1156 m.node_id = 1i32;
1157 }
1158 if version >= 16 {
1159 m.host = "x";
1160 }
1161 if version >= 16 {
1162 m.port = 1i32;
1163 }
1164 if version >= 16 {
1165 m.rack = Some("x");
1166 }
1167 m
1168 }
1169}