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

1// AUTO-GENERATED by crabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.
2
3use bytes::{Buf, 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, get_compact_nullable_string_owned,
8    get_compact_string_owned, get_nullable_string_owned, get_string_owned, nullable_string_len,
9    put_compact_nullable_string, put_compact_string, put_nullable_string, put_string,
10    string_len,
11};
12use crate::tagged_fields::{encode_to_bytes, read_tagged_fields, tagged_fields_len, WriteTaggedFields};
13use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};
14
15pub const API_KEY: i16 = 1;
16pub const MIN_VERSION: i16 = 4;
17pub const MAX_VERSION: i16 = 18;
18pub const FLEXIBLE_MIN: i16 = 12;
19
20#[inline]
21fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }
22
23#[derive(Debug, Clone, PartialEq, Eq)]
24pub struct FetchRequest {
25    pub replica_id: i32,
26    pub max_wait_ms: i32,
27    pub min_bytes: i32,
28    pub max_bytes: i32,
29    pub isolation_level: i8,
30    pub session_id: i32,
31    pub session_epoch: i32,
32    pub topics: Vec<FetchTopic>,
33    pub forgotten_topics_data: Vec<ForgottenTopic>,
34    pub rack_id: String,
35    pub cluster_id: Option<String>,
36    pub replica_state: ReplicaState,
37    pub unknown_tagged_fields: UnknownTaggedFields,
38}
39
40impl Default for FetchRequest {
41    fn default() -> Self {
42        Self {
43            replica_id: -1i32,
44            max_wait_ms: 0i32,
45            min_bytes: 0i32,
46            max_bytes: 2_147_483_647i32,
47            isolation_level: 0i8,
48            session_id: 0i32,
49            session_epoch: -1i32,
50            topics: Vec::new(),
51            forgotten_topics_data: Vec::new(),
52            rack_id: "".to_string(),
53            cluster_id: None,
54            replica_state: Default::default(),
55            unknown_tagged_fields: Default::default(),
56        }
57    }
58}
59
60impl Encode for FetchRequest {
61    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
62        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
63            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
64        }
65        let flex = is_flexible(version);
66        if version >= 0 && version <= 14 { put_i32(buf, self.replica_id) }
67        if version >= 0 { put_i32(buf, self.max_wait_ms) }
68        if version >= 0 { put_i32(buf, self.min_bytes) }
69        if version >= 3 { put_i32(buf, self.max_bytes) }
70        if version >= 4 { put_i8(buf, self.isolation_level) }
71        if version >= 7 { put_i32(buf, self.session_id) }
72        if version >= 7 { put_i32(buf, self.session_epoch) }
73        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.topics).len(), flex); for it in &self.topics { it.encode(buf, version)?; } } }
74        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)?; } } }
75        if version >= 11 { if flex { put_compact_string(buf, &self.rack_id) } else { put_string(buf, &self.rack_id) } }
76        if flex {
77            let mut tagged = WriteTaggedFields::new();
78            if !(self.cluster_id.is_none()) {
79                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(()) });
80                tagged.add(0, payload);
81            }
82            if !(crate::codegen_helpers::is_default(&self.replica_state)) {
83                let payload = encode_to_bytes(self.replica_state.encoded_len(version), |b| { self.replica_state.encode(b, version)?; Ok(()) });
84                tagged.add(1, payload);
85            }
86            tagged.write(buf, &self.unknown_tagged_fields);
87        }
88        Ok(())
89    }
90    fn encoded_len(&self, version: i16) -> usize {
91        let flex = is_flexible(version);
92        let mut n: usize = 0;
93        if version >= 0 && version <= 14 { n += 4; }
94        if version >= 0 { n += 4; }
95        if version >= 0 { n += 4; }
96        if version >= 3 { n += 4; }
97        if version >= 4 { n += 1; }
98        if version >= 7 { n += 4; }
99        if version >= 7 { n += 4; }
100        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 }; }
101        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 }; }
102        if version >= 11 { n += if flex { compact_string_len(&self.rack_id) } else { string_len(&self.rack_id) }; }
103        if flex {
104            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
105            if !(self.cluster_id.is_none()) {
106                known_pairs.push((0, if flex { compact_nullable_string_len(self.cluster_id.as_deref()) } else { nullable_string_len(self.cluster_id.as_deref()) }));
107            }
108            if !(crate::codegen_helpers::is_default(&self.replica_state)) {
109                known_pairs.push((1, self.replica_state.encoded_len(version)));
110            }
111            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
112        }
113        n
114    }
115}
116
117impl<'de> Decode<'de> for FetchRequest {
118    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
119        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
120            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
121        }
122        let flex = is_flexible(version);
123        let mut out = Self::default();
124        if version >= 0 && version <= 14 { out.replica_id = get_i32(buf)?; }
125        if version >= 0 { out.max_wait_ms = get_i32(buf)?; }
126        if version >= 0 { out.min_bytes = get_i32(buf)?; }
127        if version >= 3 { out.max_bytes = get_i32(buf)?; }
128        if version >= 4 { out.isolation_level = get_i8(buf)?; }
129        if version >= 7 { out.session_id = get_i32(buf)?; }
130        if version >= 7 { out.session_epoch = get_i32(buf)?; }
131        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(buf, version)?); } v }; }
132        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(buf, version)?); } v }; }
133        if version >= 11 { out.rack_id = if flex { get_compact_string_owned(buf)? } else { get_string_owned(buf)? }; }
134        if flex {
135            // Pre-declare typed slots for known tagged fields.
136            let mut tag_cluster_id = None;
137            let mut tag_replica_state = None;
138            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
139                match tag {
140                0 => { tag_cluster_id = Some({ let b: &mut &[u8] = payload; if flex { get_compact_nullable_string_owned(b)? } else { get_nullable_string_owned(b)? } }); Ok(true) }
141                1 => { tag_replica_state = Some({ let b: &mut &[u8] = payload; ReplicaState::decode(b, version)? }); Ok(true) }
142                    _ => Ok(false),
143                }
144            })?;
145            if let Some(v) = tag_cluster_id { out.cluster_id = v; }
146            if let Some(v) = tag_replica_state { out.replica_state = v; }
147        }
148        Ok(out)
149    }
150}
151
152#[derive(Debug, Clone, PartialEq, Eq)]
153pub struct ReplicaState {
154    pub replica_id: i32,
155    pub replica_epoch: i64,
156    pub unknown_tagged_fields: UnknownTaggedFields,
157}
158
159impl Default for ReplicaState {
160    fn default() -> Self {
161        Self {
162            replica_id: -1i32,
163            replica_epoch: -1i64,
164            unknown_tagged_fields: Default::default(),
165        }
166    }
167}
168
169impl Encode for ReplicaState {
170    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
171        let flex = version >= 12;
172        if version >= 15 { put_i32(buf, self.replica_id) }
173        if version >= 15 { put_i64(buf, self.replica_epoch) }
174        if flex {
175            let tagged = WriteTaggedFields::new();
176            tagged.write(buf, &self.unknown_tagged_fields);
177        }
178        Ok(())
179    }
180    fn encoded_len(&self, version: i16) -> usize {
181        let flex = version >= 12;
182        let mut n: usize = 0;
183        if version >= 15 { n += 4; }
184        if version >= 15 { n += 8; }
185        if flex {
186            let known_pairs: Vec<(u32, usize)> = Vec::new();
187            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
188        }
189        n
190    }
191}
192
193impl<'de> Decode<'de> for ReplicaState {
194    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
195        let flex = version >= 12;
196        let mut out = Self::default();
197        if version >= 15 { out.replica_id = get_i32(buf)?; }
198        if version >= 15 { out.replica_epoch = get_i64(buf)?; }
199        if flex {
200            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
201                Ok(false)
202            })?;
203        }
204        Ok(out)
205    }
206}
207
208#[derive(Debug, Clone, PartialEq, Eq, Default)]
209pub struct FetchTopic {
210    pub topic: String,
211    pub topic_id: crate::primitives::uuid::Uuid,
212    pub partitions: Vec<FetchPartition>,
213    pub unknown_tagged_fields: UnknownTaggedFields,
214}
215
216impl Encode for FetchTopic {
217    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
218        let flex = version >= 12;
219        if version >= 0 && version <= 12 { if flex { put_compact_string(buf, &self.topic) } else { put_string(buf, &self.topic) } }
220        if version >= 13 { crate::primitives::uuid::put_uuid(buf, self.topic_id) }
221        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { it.encode(buf, version)?; } } }
222        if flex {
223            let tagged = WriteTaggedFields::new();
224            tagged.write(buf, &self.unknown_tagged_fields);
225        }
226        Ok(())
227    }
228    fn encoded_len(&self, version: i16) -> usize {
229        let flex = version >= 12;
230        let mut n: usize = 0;
231        if version >= 0 && version <= 12 { n += if flex { compact_string_len(&self.topic) } else { string_len(&self.topic) }; }
232        if version >= 13 { n += 16; }
233        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 }; }
234        if flex {
235            let known_pairs: Vec<(u32, usize)> = Vec::new();
236            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
237        }
238        n
239    }
240}
241
242impl<'de> Decode<'de> for FetchTopic {
243    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
244        let flex = version >= 12;
245        let mut out = Self::default();
246        if version >= 0 && version <= 12 { out.topic = if flex { get_compact_string_owned(buf)? } else { get_string_owned(buf)? }; }
247        if version >= 13 { out.topic_id = crate::primitives::uuid::get_uuid(buf)?; }
248        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(buf, version)?); } v }; }
249        if flex {
250            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
251                Ok(false)
252            })?;
253        }
254        Ok(out)
255    }
256}
257
258#[derive(Debug, Clone, PartialEq, Eq)]
259pub struct FetchPartition {
260    pub partition: i32,
261    pub current_leader_epoch: i32,
262    pub fetch_offset: i64,
263    pub last_fetched_epoch: i32,
264    pub log_start_offset: i64,
265    pub partition_max_bytes: i32,
266    pub replica_directory_id: crate::primitives::uuid::Uuid,
267    pub high_watermark: i64,
268    pub unknown_tagged_fields: UnknownTaggedFields,
269}
270
271impl Default for FetchPartition {
272    fn default() -> Self {
273        Self {
274            partition: 0i32,
275            current_leader_epoch: -1i32,
276            fetch_offset: 0i64,
277            last_fetched_epoch: -1i32,
278            log_start_offset: -1i64,
279            partition_max_bytes: 0i32,
280            replica_directory_id: Default::default(),
281            high_watermark: 9_223_372_036_854_775_807i64,
282            unknown_tagged_fields: Default::default(),
283        }
284    }
285}
286
287impl Encode for FetchPartition {
288    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
289        let flex = version >= 12;
290        if version >= 0 { put_i32(buf, self.partition) }
291        if version >= 9 { put_i32(buf, self.current_leader_epoch) }
292        if version >= 0 { put_i64(buf, self.fetch_offset) }
293        if version >= 12 { put_i32(buf, self.last_fetched_epoch) }
294        if version >= 5 { put_i64(buf, self.log_start_offset) }
295        if version >= 0 { put_i32(buf, self.partition_max_bytes) }
296        if flex {
297            let mut tagged = WriteTaggedFields::new();
298            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
299                let payload = encode_to_bytes(16, |b| { crate::primitives::uuid::put_uuid(b, self.replica_directory_id); Ok(()) });
300                tagged.add(0, payload);
301            }
302            if !(self.high_watermark == 9_223_372_036_854_775_807i64) {
303                let payload = encode_to_bytes(8, |b| { put_i64(b, self.high_watermark); Ok(()) });
304                tagged.add(1, payload);
305            }
306            tagged.write(buf, &self.unknown_tagged_fields);
307        }
308        Ok(())
309    }
310    fn encoded_len(&self, version: i16) -> usize {
311        let flex = version >= 12;
312        let mut n: usize = 0;
313        if version >= 0 { n += 4; }
314        if version >= 9 { n += 4; }
315        if version >= 0 { n += 8; }
316        if version >= 12 { n += 4; }
317        if version >= 5 { n += 8; }
318        if version >= 0 { n += 4; }
319        if flex {
320            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
321            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
322                known_pairs.push((0, 16));
323            }
324            if !(self.high_watermark == 9_223_372_036_854_775_807i64) {
325                known_pairs.push((1, 8));
326            }
327            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
328        }
329        n
330    }
331}
332
333impl<'de> Decode<'de> for FetchPartition {
334    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
335        let flex = version >= 12;
336        let mut out = Self::default();
337        if version >= 0 { out.partition = get_i32(buf)?; }
338        if version >= 9 { out.current_leader_epoch = get_i32(buf)?; }
339        if version >= 0 { out.fetch_offset = get_i64(buf)?; }
340        if version >= 12 { out.last_fetched_epoch = get_i32(buf)?; }
341        if version >= 5 { out.log_start_offset = get_i64(buf)?; }
342        if version >= 0 { out.partition_max_bytes = get_i32(buf)?; }
343        if flex {
344            // Pre-declare typed slots for known tagged fields.
345            let mut tag_replica_directory_id = None;
346            let mut tag_high_watermark = None;
347            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| {
348                match tag {
349                0 => { tag_replica_directory_id = Some({ let b: &mut &[u8] = payload; crate::primitives::uuid::get_uuid(b)? }); Ok(true) }
350                1 => { tag_high_watermark = Some({ let b: &mut &[u8] = payload; get_i64(b)? }); Ok(true) }
351                    _ => Ok(false),
352                }
353            })?;
354            if let Some(v) = tag_replica_directory_id { out.replica_directory_id = v; }
355            if let Some(v) = tag_high_watermark { out.high_watermark = v; }
356        }
357        Ok(out)
358    }
359}
360
361#[derive(Debug, Clone, PartialEq, Eq, Default)]
362pub struct ForgottenTopic {
363    pub topic: String,
364    pub topic_id: crate::primitives::uuid::Uuid,
365    pub partitions: Vec<i32>,
366    pub unknown_tagged_fields: UnknownTaggedFields,
367}
368
369impl Encode for ForgottenTopic {
370    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
371        let flex = version >= 12;
372        if version >= 7 && version <= 12 { if flex { put_compact_string(buf, &self.topic) } else { put_string(buf, &self.topic) } }
373        if version >= 13 { crate::primitives::uuid::put_uuid(buf, self.topic_id) }
374        if version >= 7 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { put_i32(buf, *it); } } }
375        if flex {
376            let tagged = WriteTaggedFields::new();
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 >= 7 && version <= 12 { n += if flex { compact_string_len(&self.topic) } else { string_len(&self.topic) }; }
385        if version >= 13 { n += 16; }
386        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 }; }
387        if flex {
388            let known_pairs: Vec<(u32, usize)> = Vec::new();
389            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
390        }
391        n
392    }
393}
394
395impl<'de> Decode<'de> for ForgottenTopic {
396    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
397        let flex = version >= 12;
398        let mut out = Self::default();
399        if version >= 7 && version <= 12 { out.topic = if flex { get_compact_string_owned(buf)? } else { get_string_owned(buf)? }; }
400        if version >= 13 { out.topic_id = crate::primitives::uuid::get_uuid(buf)?; }
401        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 }; }
402        if flex {
403            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
404                Ok(false)
405            })?;
406        }
407        Ok(out)
408    }
409}
410
411/// Default JSON payload matching `Self::default()` for JVM oracle differential testing.
412/// Only includes fields valid for the given version.
413#[must_use]
414#[allow(unused_comparisons)]
415pub fn default_json(version: i16) -> ::serde_json::Value {
416    let mut obj = ::serde_json::Map::new();
417    if version >= 12 {
418        obj.insert("clusterId".to_string(), ::serde_json::Value::Null);
419    }
420    if version <= 14 {
421        obj.insert("replicaId".to_string(), ::serde_json::json!(-1));
422    }
423    if version >= 15 {
424        obj.insert("replicaState".to_string(), { let mut m = ::serde_json::Map::new(); m.insert("replicaId".to_string(), ::serde_json::json!(-1)); m.insert("replicaEpoch".to_string(), ::serde_json::json!(-1)); ::serde_json::Value::Object(m) });
425    }
426    obj.insert("maxWaitMs".to_string(), ::serde_json::json!(0));
427    obj.insert("minBytes".to_string(), ::serde_json::json!(0));
428    if version >= 3 {
429        obj.insert("maxBytes".to_string(), ::serde_json::json!(2147483647));
430    }
431    if version >= 4 {
432        obj.insert("isolationLevel".to_string(), ::serde_json::json!(0));
433    }
434    if version >= 7 {
435        obj.insert("sessionId".to_string(), ::serde_json::json!(0));
436    }
437    if version >= 7 {
438        obj.insert("sessionEpoch".to_string(), ::serde_json::json!(-1));
439    }
440    obj.insert("topics".to_string(), ::serde_json::Value::Array(vec![]));
441    if version >= 7 {
442        obj.insert("forgottenTopicsData".to_string(), ::serde_json::Value::Array(vec![]));
443    }
444    if version >= 11 {
445        obj.insert("rackId".to_string(), ::serde_json::Value::String("".to_string()));
446    }
447    ::serde_json::Value::Object(obj)
448}
449
450impl crate::ProtocolRequest for FetchRequest {
451    const API_KEY: i16 = API_KEY;
452    const MIN_VERSION: i16 = MIN_VERSION;
453    const MAX_VERSION: i16 = MAX_VERSION;
454    const FLEXIBLE_MIN: i16 = FLEXIBLE_MIN;
455    type Response = super::fetch_response::FetchResponse;
456}