1use bytes::{BufMut, Bytes};
3
4use crate::{
5 DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields,
6 owned::describe_groups_response,
7 primitives::{
8 array::{array_len_prefix_len, get_array_len, put_array_len},
9 fixed::{get_i16, get_i32, put_i16, put_i32},
10 string_bytes::{
11 bytes_len, compact_bytes_len, compact_nullable_string_len, compact_string_len,
12 nullable_string_len, put_bytes, put_compact_bytes, put_compact_nullable_string,
13 put_compact_string, put_nullable_string, put_string, string_len,
14 },
15 string_bytes_borrowed::{
16 get_bytes_borrowed, get_compact_bytes_borrowed, get_compact_nullable_string_borrowed,
17 get_compact_string_borrowed, get_nullable_string_borrowed, get_string_borrowed,
18 },
19 },
20 tagged_fields::{WriteTaggedFields, read_tagged_fields, tagged_fields_len},
21};
22pub const API_KEY: i16 = 15;
23pub const MIN_VERSION: i16 = 0;
24pub const MAX_VERSION: i16 = 6;
25pub const FLEXIBLE_MIN: i16 = 5;
26#[inline]
27#[must_use]
28pub fn is_flexible(version: i16) -> bool {
29 version >= FLEXIBLE_MIN
30}
31#[derive(Debug, Clone, PartialEq, Eq, Default)]
32pub struct DescribeGroupsResponse<'a> {
33 pub throttle_time_ms: i32,
34 pub groups: Vec<DescribedGroup<'a>>,
35 pub unknown_tagged_fields: UnknownTaggedFields,
36}
37impl DescribeGroupsResponse<'_> {
38 #[must_use]
39 pub fn to_owned(&self) -> describe_groups_response::DescribeGroupsResponse {
40 describe_groups_response::DescribeGroupsResponse {
41 throttle_time_ms: (self.throttle_time_ms),
42 groups: (self.groups).iter().map(DescribedGroup::to_owned).collect(),
43 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
44 }
45 }
46}
47impl Encode for DescribeGroupsResponse<'_> {
48 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
49 if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
50 return Err(ProtocolError::UnsupportedVersion {
51 api_key: API_KEY,
52 version,
53 });
54 }
55 let flex = is_flexible(version);
56 if version >= 1 {
57 put_i32(buf, self.throttle_time_ms);
58 }
59 if version >= 0 {
60 {
61 put_array_len(buf, (self.groups).len(), flex)?;
62 for it in &self.groups {
63 it.encode(buf, version)?;
64 }
65 }
66 }
67 if flex {
68 let tagged = WriteTaggedFields::new();
69 tagged.write(buf, &self.unknown_tagged_fields)?;
70 }
71 Ok(())
72 }
73 fn encoded_len(&self, version: i16) -> usize {
74 let flex = is_flexible(version);
75 let mut n: usize = 0;
76 if version >= 1 {
77 n += 4;
78 }
79 if version >= 0 {
80 n += {
81 let prefix = array_len_prefix_len((self.groups).len(), flex);
82 let body: usize = (self.groups).iter().map(|it| it.encoded_len(version)).sum();
83 prefix + body
84 };
85 }
86 if flex {
87 let known_pairs: Vec<(u32, usize)> = Vec::new();
88 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
89 }
90 n
91 }
92}
93impl<'de> DecodeBorrow<'de> for DescribeGroupsResponse<'de> {
94 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
95 if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
96 return Err(ProtocolError::UnsupportedVersion {
97 api_key: API_KEY,
98 version,
99 });
100 }
101 let flex = is_flexible(version);
102 let mut out = Self::default();
103 if version >= 1 {
104 out.throttle_time_ms = get_i32(buf)?;
105 }
106 if version >= 0 {
107 out.groups = {
108 let n = get_array_len(buf, flex)?;
109 let mut v = Vec::with_capacity(n);
110 for _ in 0..n {
111 v.push(DescribedGroup::decode_borrow(buf, version)?);
112 }
113 v
114 };
115 }
116 if flex {
117 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
118 }
119 Ok(out)
120 }
121}
122#[cfg(test)]
123impl DescribeGroupsResponse<'_> {
124 #[must_use]
125 pub fn populated(version: i16) -> Self {
126 let mut m = Self::default();
127 if version >= 1 {
128 m.throttle_time_ms = 1i32;
129 }
130 if version >= 0 {
131 m.groups = vec![DescribedGroup::populated(version)];
132 }
133 m
134 }
135}
136#[derive(Debug, Clone, PartialEq, Eq)]
137pub struct DescribedGroup<'a> {
138 pub error_code: i16,
139 pub error_message: Option<&'a str>,
140 pub group_id: &'a str,
141 pub group_state: &'a str,
142 pub protocol_type: &'a str,
143 pub protocol_data: &'a str,
144 pub members: Vec<DescribedGroupMember<'a>>,
145 pub authorized_operations: i32,
146 pub unknown_tagged_fields: UnknownTaggedFields,
147}
148impl Default for DescribedGroup<'_> {
149 fn default() -> Self {
150 Self {
151 error_code: 0i16,
152 error_message: None,
153 group_id: "",
154 group_state: "",
155 protocol_type: "",
156 protocol_data: "",
157 members: Vec::new(),
158 authorized_operations: -2_147_483_648i32,
159 unknown_tagged_fields: UnknownTaggedFields::default(),
160 }
161 }
162}
163impl<'a> DescribedGroup<'a> {
164 #[must_use]
165 pub fn to_owned(&self) -> describe_groups_response::DescribedGroup {
166 describe_groups_response::DescribedGroup {
167 error_code: (self.error_code),
168 error_message: (self.error_message).map(str::to_owned),
169 group_id: (self.group_id).to_owned(),
170 group_state: (self.group_state).to_owned(),
171 protocol_type: (self.protocol_type).to_owned(),
172 protocol_data: (self.protocol_data).to_owned(),
173 members: (self.members)
174 .iter()
175 .map(DescribedGroupMember::to_owned)
176 .collect(),
177 authorized_operations: (self.authorized_operations),
178 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
179 }
180 }
181 fn encode_field_0<B: BufMut>(&self, buf: &mut B, version: i16, _flex: bool) {
182 if version >= 0 {
183 put_i16(buf, self.error_code);
184 }
185 }
186 fn encode_field_1<B: BufMut>(
187 &self,
188 buf: &mut B,
189 version: i16,
190 flex: bool,
191 ) -> Result<(), ProtocolError> {
192 if version >= 6 {
193 if flex {
194 put_compact_nullable_string(buf, self.error_message)?;
195 } else {
196 put_nullable_string(buf, self.error_message)?;
197 }
198 }
199 Ok(())
200 }
201 fn encode_field_2<B: BufMut>(
202 &self,
203 buf: &mut B,
204 version: i16,
205 flex: bool,
206 ) -> Result<(), ProtocolError> {
207 if version >= 0 {
208 if flex {
209 put_compact_string(buf, self.group_id)?;
210 } else {
211 put_string(buf, self.group_id)?;
212 }
213 }
214 Ok(())
215 }
216 fn encode_field_3<B: BufMut>(
217 &self,
218 buf: &mut B,
219 version: i16,
220 flex: bool,
221 ) -> Result<(), ProtocolError> {
222 if version >= 0 {
223 if flex {
224 put_compact_string(buf, self.group_state)?;
225 } else {
226 put_string(buf, self.group_state)?;
227 }
228 }
229 Ok(())
230 }
231 fn encode_field_4<B: BufMut>(
232 &self,
233 buf: &mut B,
234 version: i16,
235 flex: bool,
236 ) -> Result<(), ProtocolError> {
237 if version >= 0 {
238 if flex {
239 put_compact_string(buf, self.protocol_type)?;
240 } else {
241 put_string(buf, self.protocol_type)?;
242 }
243 }
244 Ok(())
245 }
246 fn encode_field_5<B: BufMut>(
247 &self,
248 buf: &mut B,
249 version: i16,
250 flex: bool,
251 ) -> Result<(), ProtocolError> {
252 if version >= 0 {
253 if flex {
254 put_compact_string(buf, self.protocol_data)?;
255 } else {
256 put_string(buf, self.protocol_data)?;
257 }
258 }
259 Ok(())
260 }
261 fn encode_field_6<B: BufMut>(
262 &self,
263 buf: &mut B,
264 version: i16,
265 flex: bool,
266 ) -> Result<(), ProtocolError> {
267 if version >= 0 {
268 {
269 put_array_len(buf, (self.members).len(), flex)?;
270 for it in &self.members {
271 it.encode(buf, version)?;
272 }
273 }
274 }
275 Ok(())
276 }
277 fn encode_field_7<B: BufMut>(&self, buf: &mut B, version: i16, _flex: bool) {
278 if version >= 3 {
279 put_i32(buf, self.authorized_operations);
280 }
281 }
282 fn encode_tagged_fields<B: BufMut>(
283 &self,
284 buf: &mut B,
285 _version: i16,
286 flex: bool,
287 ) -> Result<(), ProtocolError> {
288 if flex {
289 let tagged = WriteTaggedFields::new();
290 tagged.write(buf, &self.unknown_tagged_fields)?;
291 }
292 Ok(())
293 }
294 fn decode_field_0(
295 out: &mut Self,
296 buf: &mut &'a [u8],
297 version: i16,
298 _flex: bool,
299 ) -> Result<(), ProtocolError> {
300 if version >= 0 {
301 out.error_code = get_i16(buf)?;
302 }
303 Ok(())
304 }
305 fn decode_field_1(
306 out: &mut Self,
307 buf: &mut &'a [u8],
308 version: i16,
309 flex: bool,
310 ) -> Result<(), ProtocolError> {
311 if version >= 6 {
312 out.error_message = if flex {
313 get_compact_nullable_string_borrowed(buf)?
314 } else {
315 get_nullable_string_borrowed(buf)?
316 };
317 }
318 Ok(())
319 }
320 fn decode_field_2(
321 out: &mut Self,
322 buf: &mut &'a [u8],
323 version: i16,
324 flex: bool,
325 ) -> Result<(), ProtocolError> {
326 if version >= 0 {
327 out.group_id = if flex {
328 get_compact_string_borrowed(buf)?
329 } else {
330 get_string_borrowed(buf)?
331 };
332 }
333 Ok(())
334 }
335 fn decode_field_3(
336 out: &mut Self,
337 buf: &mut &'a [u8],
338 version: i16,
339 flex: bool,
340 ) -> Result<(), ProtocolError> {
341 if version >= 0 {
342 out.group_state = if flex {
343 get_compact_string_borrowed(buf)?
344 } else {
345 get_string_borrowed(buf)?
346 };
347 }
348 Ok(())
349 }
350 fn decode_field_4(
351 out: &mut Self,
352 buf: &mut &'a [u8],
353 version: i16,
354 flex: bool,
355 ) -> Result<(), ProtocolError> {
356 if version >= 0 {
357 out.protocol_type = if flex {
358 get_compact_string_borrowed(buf)?
359 } else {
360 get_string_borrowed(buf)?
361 };
362 }
363 Ok(())
364 }
365 fn decode_field_5(
366 out: &mut Self,
367 buf: &mut &'a [u8],
368 version: i16,
369 flex: bool,
370 ) -> Result<(), ProtocolError> {
371 if version >= 0 {
372 out.protocol_data = if flex {
373 get_compact_string_borrowed(buf)?
374 } else {
375 get_string_borrowed(buf)?
376 };
377 }
378 Ok(())
379 }
380 fn decode_field_6(
381 out: &mut Self,
382 buf: &mut &'a [u8],
383 version: i16,
384 flex: bool,
385 ) -> Result<(), ProtocolError> {
386 if version >= 0 {
387 out.members = {
388 let n = get_array_len(buf, flex)?;
389 let mut v = Vec::with_capacity(n);
390 for _ in 0..n {
391 v.push(DescribedGroupMember::decode_borrow(buf, version)?);
392 }
393 v
394 };
395 }
396 Ok(())
397 }
398 fn decode_field_7(
399 out: &mut Self,
400 buf: &mut &'a [u8],
401 version: i16,
402 _flex: bool,
403 ) -> Result<(), ProtocolError> {
404 if version >= 3 {
405 out.authorized_operations = get_i32(buf)?;
406 }
407 Ok(())
408 }
409 fn decode_tagged_fields(
410 out: &mut Self,
411 buf: &mut &'a [u8],
412 _version: i16,
413 flex: bool,
414 ) -> Result<(), ProtocolError> {
415 if flex {
416 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
417 }
418 Ok(())
419 }
420}
421impl Encode for DescribedGroup<'_> {
422 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
423 let flex = version >= 5;
424 self.encode_field_0(buf, version, flex);
425 self.encode_field_1(buf, version, flex)?;
426 self.encode_field_2(buf, version, flex)?;
427 self.encode_field_3(buf, version, flex)?;
428 self.encode_field_4(buf, version, flex)?;
429 self.encode_field_5(buf, version, flex)?;
430 self.encode_field_6(buf, version, flex)?;
431 self.encode_field_7(buf, version, flex);
432 self.encode_tagged_fields(buf, version, flex)?;
433 Ok(())
434 }
435 fn encoded_len(&self, version: i16) -> usize {
436 let flex = version >= 5;
437 let mut n: usize = 0;
438 if version >= 0 {
439 n += 2;
440 }
441 if version >= 6 {
442 n += if flex {
443 compact_nullable_string_len(self.error_message)
444 } else {
445 nullable_string_len(self.error_message)
446 };
447 }
448 if version >= 0 {
449 n += if flex {
450 compact_string_len(self.group_id)
451 } else {
452 string_len(self.group_id)
453 };
454 }
455 if version >= 0 {
456 n += if flex {
457 compact_string_len(self.group_state)
458 } else {
459 string_len(self.group_state)
460 };
461 }
462 if version >= 0 {
463 n += if flex {
464 compact_string_len(self.protocol_type)
465 } else {
466 string_len(self.protocol_type)
467 };
468 }
469 if version >= 0 {
470 n += if flex {
471 compact_string_len(self.protocol_data)
472 } else {
473 string_len(self.protocol_data)
474 };
475 }
476 if version >= 0 {
477 n += {
478 let prefix = array_len_prefix_len((self.members).len(), flex);
479 let body: usize = (self.members)
480 .iter()
481 .map(|it| it.encoded_len(version))
482 .sum();
483 prefix + body
484 };
485 }
486 if version >= 3 {
487 n += 4;
488 }
489 if flex {
490 let known_pairs: Vec<(u32, usize)> = Vec::new();
491 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
492 }
493 n
494 }
495}
496impl<'de> DecodeBorrow<'de> for DescribedGroup<'de> {
497 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
498 let flex = version >= 5;
499 let mut out = Self::default();
500 Self::decode_field_0(&mut out, buf, version, flex)?;
501 Self::decode_field_1(&mut out, buf, version, flex)?;
502 Self::decode_field_2(&mut out, buf, version, flex)?;
503 Self::decode_field_3(&mut out, buf, version, flex)?;
504 Self::decode_field_4(&mut out, buf, version, flex)?;
505 Self::decode_field_5(&mut out, buf, version, flex)?;
506 Self::decode_field_6(&mut out, buf, version, flex)?;
507 Self::decode_field_7(&mut out, buf, version, flex)?;
508 Self::decode_tagged_fields(&mut out, buf, version, flex)?;
509 Ok(out)
510 }
511}
512#[cfg(test)]
513impl DescribedGroup<'_> {
514 #[must_use]
515 pub fn populated(version: i16) -> Self {
516 let mut m = Self::default();
517 if version >= 0 {
518 m.error_code = 1i16;
519 }
520 if version >= 6 {
521 m.error_message = Some("x");
522 }
523 if version >= 0 {
524 m.group_id = "x";
525 }
526 if version >= 0 {
527 m.group_state = "x";
528 }
529 if version >= 0 {
530 m.protocol_type = "x";
531 }
532 if version >= 0 {
533 m.protocol_data = "x";
534 }
535 if version >= 0 {
536 m.members = vec![DescribedGroupMember::populated(version)];
537 }
538 if version >= 3 {
539 m.authorized_operations = 1i32;
540 }
541 m
542 }
543}
544#[derive(Debug, Clone, PartialEq, Eq, Default)]
545pub struct DescribedGroupMember<'a> {
546 pub member_id: &'a str,
547 pub group_instance_id: Option<&'a str>,
548 pub client_id: &'a str,
549 pub client_host: &'a str,
550 pub member_metadata: &'a [u8],
551 pub member_assignment: &'a [u8],
552 pub unknown_tagged_fields: UnknownTaggedFields,
553}
554impl DescribedGroupMember<'_> {
555 #[must_use]
556 pub fn to_owned(&self) -> describe_groups_response::DescribedGroupMember {
557 describe_groups_response::DescribedGroupMember {
558 member_id: (self.member_id).to_owned(),
559 group_instance_id: (self.group_instance_id).map(str::to_owned),
560 client_id: (self.client_id).to_owned(),
561 client_host: (self.client_host).to_owned(),
562 member_metadata: Bytes::copy_from_slice(self.member_metadata),
563 member_assignment: Bytes::copy_from_slice(self.member_assignment),
564 unknown_tagged_fields: self.unknown_tagged_fields.clone(),
565 }
566 }
567}
568impl Encode for DescribedGroupMember<'_> {
569 fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
570 let flex = version >= 5;
571 if version >= 0 {
572 if flex {
573 put_compact_string(buf, self.member_id)?;
574 } else {
575 put_string(buf, self.member_id)?;
576 }
577 }
578 if version >= 4 {
579 if flex {
580 put_compact_nullable_string(buf, self.group_instance_id)?;
581 } else {
582 put_nullable_string(buf, self.group_instance_id)?;
583 }
584 }
585 if version >= 0 {
586 if flex {
587 put_compact_string(buf, self.client_id)?;
588 } else {
589 put_string(buf, self.client_id)?;
590 }
591 }
592 if version >= 0 {
593 if flex {
594 put_compact_string(buf, self.client_host)?;
595 } else {
596 put_string(buf, self.client_host)?;
597 }
598 }
599 if version >= 0 {
600 if flex {
601 put_compact_bytes(buf, self.member_metadata)?;
602 } else {
603 put_bytes(buf, self.member_metadata)?;
604 }
605 }
606 if version >= 0 {
607 if flex {
608 put_compact_bytes(buf, self.member_assignment)?;
609 } else {
610 put_bytes(buf, self.member_assignment)?;
611 }
612 }
613 if flex {
614 let tagged = WriteTaggedFields::new();
615 tagged.write(buf, &self.unknown_tagged_fields)?;
616 }
617 Ok(())
618 }
619 fn encoded_len(&self, version: i16) -> usize {
620 let flex = version >= 5;
621 let mut n: usize = 0;
622 if version >= 0 {
623 n += if flex {
624 compact_string_len(self.member_id)
625 } else {
626 string_len(self.member_id)
627 };
628 }
629 if version >= 4 {
630 n += if flex {
631 compact_nullable_string_len(self.group_instance_id)
632 } else {
633 nullable_string_len(self.group_instance_id)
634 };
635 }
636 if version >= 0 {
637 n += if flex {
638 compact_string_len(self.client_id)
639 } else {
640 string_len(self.client_id)
641 };
642 }
643 if version >= 0 {
644 n += if flex {
645 compact_string_len(self.client_host)
646 } else {
647 string_len(self.client_host)
648 };
649 }
650 if version >= 0 {
651 n += if flex {
652 compact_bytes_len(self.member_metadata)
653 } else {
654 bytes_len(self.member_metadata)
655 };
656 }
657 if version >= 0 {
658 n += if flex {
659 compact_bytes_len(self.member_assignment)
660 } else {
661 bytes_len(self.member_assignment)
662 };
663 }
664 if flex {
665 let known_pairs: Vec<(u32, usize)> = Vec::new();
666 n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
667 }
668 n
669 }
670}
671impl<'de> DecodeBorrow<'de> for DescribedGroupMember<'de> {
672 fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
673 let flex = version >= 5;
674 let mut out = Self::default();
675 if version >= 0 {
676 out.member_id = if flex {
677 get_compact_string_borrowed(buf)?
678 } else {
679 get_string_borrowed(buf)?
680 };
681 }
682 if version >= 4 {
683 out.group_instance_id = if flex {
684 get_compact_nullable_string_borrowed(buf)?
685 } else {
686 get_nullable_string_borrowed(buf)?
687 };
688 }
689 if version >= 0 {
690 out.client_id = if flex {
691 get_compact_string_borrowed(buf)?
692 } else {
693 get_string_borrowed(buf)?
694 };
695 }
696 if version >= 0 {
697 out.client_host = if flex {
698 get_compact_string_borrowed(buf)?
699 } else {
700 get_string_borrowed(buf)?
701 };
702 }
703 if version >= 0 {
704 out.member_metadata = if flex {
705 get_compact_bytes_borrowed(buf)?
706 } else {
707 get_bytes_borrowed(buf)?
708 };
709 }
710 if version >= 0 {
711 out.member_assignment = if flex {
712 get_compact_bytes_borrowed(buf)?
713 } else {
714 get_bytes_borrowed(buf)?
715 };
716 }
717 if flex {
718 out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
719 }
720 Ok(out)
721 }
722}
723#[cfg(test)]
724impl DescribedGroupMember<'_> {
725 #[must_use]
726 pub fn populated(version: i16) -> Self {
727 let mut m = Self::default();
728 if version >= 0 {
729 m.member_id = "x";
730 }
731 if version >= 4 {
732 m.group_instance_id = Some("x");
733 }
734 if version >= 0 {
735 m.client_id = "x";
736 }
737 if version >= 0 {
738 m.client_host = "x";
739 }
740 if version >= 0 {
741 m.member_metadata = &b"x"[..];
742 }
743 if version >= 0 {
744 m.member_assignment = &b"x"[..];
745 }
746 m
747 }
748}