fidl_examples_keyvaluestore_additerator/
fidl_examples_keyvaluestore_additerator.rs

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1// WARNING: This file is machine generated by fidlgen.
2
3#![warn(clippy::all)]
4#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]
5
6use bitflags::bitflags;
7use fidl::client::QueryResponseFut;
8use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
9use fidl::endpoints::{ControlHandle as _, Responder as _};
10pub use fidl_examples_keyvaluestore_additerator_common::*;
11use futures::future::{self, MaybeDone, TryFutureExt};
12use zx_status;
13
14#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
15pub struct StoreIterateRequest {
16    /// If present, requests to start the iteration at this item.
17    pub starting_at: Option<String>,
18    /// The [`Iterator`] server endpoint. The client creates both ends of the channel and
19    /// retains the `client_end` locally to use for pulling iteration pages, while sending the
20    /// `server_end` off to be fulfilled by the server.
21    pub iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
22}
23
24impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for StoreIterateRequest {}
25
26#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
27pub struct IteratorMarker;
28
29impl fidl::endpoints::ProtocolMarker for IteratorMarker {
30    type Proxy = IteratorProxy;
31    type RequestStream = IteratorRequestStream;
32    #[cfg(target_os = "fuchsia")]
33    type SynchronousProxy = IteratorSynchronousProxy;
34
35    const DEBUG_NAME: &'static str = "(anonymous) Iterator";
36}
37
38pub trait IteratorProxyInterface: Send + Sync {
39    type GetResponseFut: std::future::Future<Output = Result<Vec<String>, fidl::Error>> + Send;
40    fn r#get(&self) -> Self::GetResponseFut;
41}
42#[derive(Debug)]
43#[cfg(target_os = "fuchsia")]
44pub struct IteratorSynchronousProxy {
45    client: fidl::client::sync::Client,
46}
47
48#[cfg(target_os = "fuchsia")]
49impl fidl::endpoints::SynchronousProxy for IteratorSynchronousProxy {
50    type Proxy = IteratorProxy;
51    type Protocol = IteratorMarker;
52
53    fn from_channel(inner: fidl::Channel) -> Self {
54        Self::new(inner)
55    }
56
57    fn into_channel(self) -> fidl::Channel {
58        self.client.into_channel()
59    }
60
61    fn as_channel(&self) -> &fidl::Channel {
62        self.client.as_channel()
63    }
64}
65
66#[cfg(target_os = "fuchsia")]
67impl IteratorSynchronousProxy {
68    pub fn new(channel: fidl::Channel) -> Self {
69        let protocol_name = <IteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
70        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
71    }
72
73    pub fn into_channel(self) -> fidl::Channel {
74        self.client.into_channel()
75    }
76
77    /// Waits until an event arrives and returns it. It is safe for other
78    /// threads to make concurrent requests while waiting for an event.
79    pub fn wait_for_event(
80        &self,
81        deadline: zx::MonotonicInstant,
82    ) -> Result<IteratorEvent, fidl::Error> {
83        IteratorEvent::decode(self.client.wait_for_event(deadline)?)
84    }
85
86    /// Gets the next batch of keys.
87    ///
88    /// The client pulls keys rather than having the server proactively push them, to implement
89    /// [flow control][flow-control] over the messages.
90    ///
91    /// [flow-control]:
92    ///     https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#prefer_pull_to_push
93    pub fn r#get(&self, ___deadline: zx::MonotonicInstant) -> Result<Vec<String>, fidl::Error> {
94        let _response =
95            self.client.send_query::<fidl::encoding::EmptyPayload, IteratorGetResponse>(
96                (),
97                0x6a62554b7d535882,
98                fidl::encoding::DynamicFlags::empty(),
99                ___deadline,
100            )?;
101        Ok(_response.entries)
102    }
103}
104
105#[cfg(target_os = "fuchsia")]
106impl From<IteratorSynchronousProxy> for zx::Handle {
107    fn from(value: IteratorSynchronousProxy) -> Self {
108        value.into_channel().into()
109    }
110}
111
112#[cfg(target_os = "fuchsia")]
113impl From<fidl::Channel> for IteratorSynchronousProxy {
114    fn from(value: fidl::Channel) -> Self {
115        Self::new(value)
116    }
117}
118
119#[derive(Debug, Clone)]
120pub struct IteratorProxy {
121    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
122}
123
124impl fidl::endpoints::Proxy for IteratorProxy {
125    type Protocol = IteratorMarker;
126
127    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
128        Self::new(inner)
129    }
130
131    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
132        self.client.into_channel().map_err(|client| Self { client })
133    }
134
135    fn as_channel(&self) -> &::fidl::AsyncChannel {
136        self.client.as_channel()
137    }
138}
139
140impl IteratorProxy {
141    /// Create a new Proxy for examples.keyvaluestore.additerator/Iterator.
142    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
143        let protocol_name = <IteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
144        Self { client: fidl::client::Client::new(channel, protocol_name) }
145    }
146
147    /// Get a Stream of events from the remote end of the protocol.
148    ///
149    /// # Panics
150    ///
151    /// Panics if the event stream was already taken.
152    pub fn take_event_stream(&self) -> IteratorEventStream {
153        IteratorEventStream { event_receiver: self.client.take_event_receiver() }
154    }
155
156    /// Gets the next batch of keys.
157    ///
158    /// The client pulls keys rather than having the server proactively push them, to implement
159    /// [flow control][flow-control] over the messages.
160    ///
161    /// [flow-control]:
162    ///     https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#prefer_pull_to_push
163    pub fn r#get(
164        &self,
165    ) -> fidl::client::QueryResponseFut<Vec<String>, fidl::encoding::DefaultFuchsiaResourceDialect>
166    {
167        IteratorProxyInterface::r#get(self)
168    }
169}
170
171impl IteratorProxyInterface for IteratorProxy {
172    type GetResponseFut =
173        fidl::client::QueryResponseFut<Vec<String>, fidl::encoding::DefaultFuchsiaResourceDialect>;
174    fn r#get(&self) -> Self::GetResponseFut {
175        fn _decode(
176            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
177        ) -> Result<Vec<String>, fidl::Error> {
178            let _response = fidl::client::decode_transaction_body::<
179                IteratorGetResponse,
180                fidl::encoding::DefaultFuchsiaResourceDialect,
181                0x6a62554b7d535882,
182            >(_buf?)?;
183            Ok(_response.entries)
184        }
185        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, Vec<String>>(
186            (),
187            0x6a62554b7d535882,
188            fidl::encoding::DynamicFlags::empty(),
189            _decode,
190        )
191    }
192}
193
194pub struct IteratorEventStream {
195    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
196}
197
198impl std::marker::Unpin for IteratorEventStream {}
199
200impl futures::stream::FusedStream for IteratorEventStream {
201    fn is_terminated(&self) -> bool {
202        self.event_receiver.is_terminated()
203    }
204}
205
206impl futures::Stream for IteratorEventStream {
207    type Item = Result<IteratorEvent, fidl::Error>;
208
209    fn poll_next(
210        mut self: std::pin::Pin<&mut Self>,
211        cx: &mut std::task::Context<'_>,
212    ) -> std::task::Poll<Option<Self::Item>> {
213        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
214            &mut self.event_receiver,
215            cx
216        )?) {
217            Some(buf) => std::task::Poll::Ready(Some(IteratorEvent::decode(buf))),
218            None => std::task::Poll::Ready(None),
219        }
220    }
221}
222
223#[derive(Debug)]
224pub enum IteratorEvent {}
225
226impl IteratorEvent {
227    /// Decodes a message buffer as a [`IteratorEvent`].
228    fn decode(
229        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
230    ) -> Result<IteratorEvent, fidl::Error> {
231        let (bytes, _handles) = buf.split_mut();
232        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
233        debug_assert_eq!(tx_header.tx_id, 0);
234        match tx_header.ordinal {
235            _ => Err(fidl::Error::UnknownOrdinal {
236                ordinal: tx_header.ordinal,
237                protocol_name: <IteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
238            }),
239        }
240    }
241}
242
243/// A Stream of incoming requests for examples.keyvaluestore.additerator/Iterator.
244pub struct IteratorRequestStream {
245    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
246    is_terminated: bool,
247}
248
249impl std::marker::Unpin for IteratorRequestStream {}
250
251impl futures::stream::FusedStream for IteratorRequestStream {
252    fn is_terminated(&self) -> bool {
253        self.is_terminated
254    }
255}
256
257impl fidl::endpoints::RequestStream for IteratorRequestStream {
258    type Protocol = IteratorMarker;
259    type ControlHandle = IteratorControlHandle;
260
261    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
262        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
263    }
264
265    fn control_handle(&self) -> Self::ControlHandle {
266        IteratorControlHandle { inner: self.inner.clone() }
267    }
268
269    fn into_inner(
270        self,
271    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
272    {
273        (self.inner, self.is_terminated)
274    }
275
276    fn from_inner(
277        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
278        is_terminated: bool,
279    ) -> Self {
280        Self { inner, is_terminated }
281    }
282}
283
284impl futures::Stream for IteratorRequestStream {
285    type Item = Result<IteratorRequest, fidl::Error>;
286
287    fn poll_next(
288        mut self: std::pin::Pin<&mut Self>,
289        cx: &mut std::task::Context<'_>,
290    ) -> std::task::Poll<Option<Self::Item>> {
291        let this = &mut *self;
292        if this.inner.check_shutdown(cx) {
293            this.is_terminated = true;
294            return std::task::Poll::Ready(None);
295        }
296        if this.is_terminated {
297            panic!("polled IteratorRequestStream after completion");
298        }
299        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
300            |bytes, handles| {
301                match this.inner.channel().read_etc(cx, bytes, handles) {
302                    std::task::Poll::Ready(Ok(())) => {}
303                    std::task::Poll::Pending => return std::task::Poll::Pending,
304                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
305                        this.is_terminated = true;
306                        return std::task::Poll::Ready(None);
307                    }
308                    std::task::Poll::Ready(Err(e)) => {
309                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
310                            e.into(),
311                        ))))
312                    }
313                }
314
315                // A message has been received from the channel
316                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
317
318                std::task::Poll::Ready(Some(match header.ordinal {
319                    0x6a62554b7d535882 => {
320                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
321                        let mut req = fidl::new_empty!(
322                            fidl::encoding::EmptyPayload,
323                            fidl::encoding::DefaultFuchsiaResourceDialect
324                        );
325                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
326                        let control_handle = IteratorControlHandle { inner: this.inner.clone() };
327                        Ok(IteratorRequest::Get {
328                            responder: IteratorGetResponder {
329                                control_handle: std::mem::ManuallyDrop::new(control_handle),
330                                tx_id: header.tx_id,
331                            },
332                        })
333                    }
334                    _ => Err(fidl::Error::UnknownOrdinal {
335                        ordinal: header.ordinal,
336                        protocol_name:
337                            <IteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
338                    }),
339                }))
340            },
341        )
342    }
343}
344
345/// An iterator for the key-value store. Note that this protocol makes no guarantee of atomicity -
346/// the values may change between pulls from the iterator. Unlike the `Store` protocol above, this
347/// protocol is not `@discoverable`: it is not independently published by the component that
348/// implements it, but rather must have one of its two protocol ends transmitted over an existing
349/// FIDL connection.
350///
351/// As is often the case with iterators, the client indicates that they are done with an instance of
352/// the iterator by simply closing their end of the connection.
353///
354/// Since the iterator is associated only with the Iterate method, it is declared as closed rather
355/// than open. This is because changes to how iteration works are more likely to require replacing
356/// the Iterate method completely (which is fine because that method is flexible) rather than
357/// evolving the Iterator protocol.
358#[derive(Debug)]
359pub enum IteratorRequest {
360    /// Gets the next batch of keys.
361    ///
362    /// The client pulls keys rather than having the server proactively push them, to implement
363    /// [flow control][flow-control] over the messages.
364    ///
365    /// [flow-control]:
366    ///     https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#prefer_pull_to_push
367    Get { responder: IteratorGetResponder },
368}
369
370impl IteratorRequest {
371    #[allow(irrefutable_let_patterns)]
372    pub fn into_get(self) -> Option<(IteratorGetResponder)> {
373        if let IteratorRequest::Get { responder } = self {
374            Some((responder))
375        } else {
376            None
377        }
378    }
379
380    /// Name of the method defined in FIDL
381    pub fn method_name(&self) -> &'static str {
382        match *self {
383            IteratorRequest::Get { .. } => "get",
384        }
385    }
386}
387
388#[derive(Debug, Clone)]
389pub struct IteratorControlHandle {
390    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
391}
392
393impl fidl::endpoints::ControlHandle for IteratorControlHandle {
394    fn shutdown(&self) {
395        self.inner.shutdown()
396    }
397    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
398        self.inner.shutdown_with_epitaph(status)
399    }
400
401    fn is_closed(&self) -> bool {
402        self.inner.channel().is_closed()
403    }
404    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
405        self.inner.channel().on_closed()
406    }
407
408    #[cfg(target_os = "fuchsia")]
409    fn signal_peer(
410        &self,
411        clear_mask: zx::Signals,
412        set_mask: zx::Signals,
413    ) -> Result<(), zx_status::Status> {
414        use fidl::Peered;
415        self.inner.channel().signal_peer(clear_mask, set_mask)
416    }
417}
418
419impl IteratorControlHandle {}
420
421#[must_use = "FIDL methods require a response to be sent"]
422#[derive(Debug)]
423pub struct IteratorGetResponder {
424    control_handle: std::mem::ManuallyDrop<IteratorControlHandle>,
425    tx_id: u32,
426}
427
428/// Set the the channel to be shutdown (see [`IteratorControlHandle::shutdown`])
429/// if the responder is dropped without sending a response, so that the client
430/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
431impl std::ops::Drop for IteratorGetResponder {
432    fn drop(&mut self) {
433        self.control_handle.shutdown();
434        // Safety: drops once, never accessed again
435        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
436    }
437}
438
439impl fidl::endpoints::Responder for IteratorGetResponder {
440    type ControlHandle = IteratorControlHandle;
441
442    fn control_handle(&self) -> &IteratorControlHandle {
443        &self.control_handle
444    }
445
446    fn drop_without_shutdown(mut self) {
447        // Safety: drops once, never accessed again due to mem::forget
448        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
449        // Prevent Drop from running (which would shut down the channel)
450        std::mem::forget(self);
451    }
452}
453
454impl IteratorGetResponder {
455    /// Sends a response to the FIDL transaction.
456    ///
457    /// Sets the channel to shutdown if an error occurs.
458    pub fn send(self, mut entries: &[String]) -> Result<(), fidl::Error> {
459        let _result = self.send_raw(entries);
460        if _result.is_err() {
461            self.control_handle.shutdown();
462        }
463        self.drop_without_shutdown();
464        _result
465    }
466
467    /// Similar to "send" but does not shutdown the channel if an error occurs.
468    pub fn send_no_shutdown_on_err(self, mut entries: &[String]) -> Result<(), fidl::Error> {
469        let _result = self.send_raw(entries);
470        self.drop_without_shutdown();
471        _result
472    }
473
474    fn send_raw(&self, mut entries: &[String]) -> Result<(), fidl::Error> {
475        self.control_handle.inner.send::<IteratorGetResponse>(
476            (entries,),
477            self.tx_id,
478            0x6a62554b7d535882,
479            fidl::encoding::DynamicFlags::empty(),
480        )
481    }
482}
483
484#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
485pub struct StoreMarker;
486
487impl fidl::endpoints::ProtocolMarker for StoreMarker {
488    type Proxy = StoreProxy;
489    type RequestStream = StoreRequestStream;
490    #[cfg(target_os = "fuchsia")]
491    type SynchronousProxy = StoreSynchronousProxy;
492
493    const DEBUG_NAME: &'static str = "examples.keyvaluestore.additerator.Store";
494}
495impl fidl::endpoints::DiscoverableProtocolMarker for StoreMarker {}
496pub type StoreWriteItemResult = Result<(), WriteError>;
497pub type StoreIterateResult = Result<(), IterateConnectionError>;
498
499pub trait StoreProxyInterface: Send + Sync {
500    type WriteItemResponseFut: std::future::Future<Output = Result<StoreWriteItemResult, fidl::Error>>
501        + Send;
502    fn r#write_item(&self, attempt: &Item) -> Self::WriteItemResponseFut;
503    type IterateResponseFut: std::future::Future<Output = Result<StoreIterateResult, fidl::Error>>
504        + Send;
505    fn r#iterate(
506        &self,
507        starting_at: Option<&str>,
508        iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
509    ) -> Self::IterateResponseFut;
510}
511#[derive(Debug)]
512#[cfg(target_os = "fuchsia")]
513pub struct StoreSynchronousProxy {
514    client: fidl::client::sync::Client,
515}
516
517#[cfg(target_os = "fuchsia")]
518impl fidl::endpoints::SynchronousProxy for StoreSynchronousProxy {
519    type Proxy = StoreProxy;
520    type Protocol = StoreMarker;
521
522    fn from_channel(inner: fidl::Channel) -> Self {
523        Self::new(inner)
524    }
525
526    fn into_channel(self) -> fidl::Channel {
527        self.client.into_channel()
528    }
529
530    fn as_channel(&self) -> &fidl::Channel {
531        self.client.as_channel()
532    }
533}
534
535#[cfg(target_os = "fuchsia")]
536impl StoreSynchronousProxy {
537    pub fn new(channel: fidl::Channel) -> Self {
538        let protocol_name = <StoreMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
539        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
540    }
541
542    pub fn into_channel(self) -> fidl::Channel {
543        self.client.into_channel()
544    }
545
546    /// Waits until an event arrives and returns it. It is safe for other
547    /// threads to make concurrent requests while waiting for an event.
548    pub fn wait_for_event(
549        &self,
550        deadline: zx::MonotonicInstant,
551    ) -> Result<StoreEvent, fidl::Error> {
552        StoreEvent::decode(self.client.wait_for_event(deadline)?)
553    }
554
555    /// Writes an item to the store.
556    pub fn r#write_item(
557        &self,
558        mut attempt: &Item,
559        ___deadline: zx::MonotonicInstant,
560    ) -> Result<StoreWriteItemResult, fidl::Error> {
561        let _response = self.client.send_query::<
562            StoreWriteItemRequest,
563            fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, WriteError>,
564        >(
565            (attempt,),
566            0x3a714dd8953e97b2,
567            fidl::encoding::DynamicFlags::FLEXIBLE,
568            ___deadline,
569        )?
570        .into_result::<StoreMarker>("write_item")?;
571        Ok(_response.map(|x| x))
572    }
573
574    /// Iterates over the items in the store, using lexicographic ordering over the keys.
575    ///
576    /// The [`iterator`] is [pipelined][pipelining] to the server, such that the client can
577    /// immediately send requests over the new connection.
578    ///
579    /// [pipelining]: https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#request-pipelining
580    pub fn r#iterate(
581        &self,
582        mut starting_at: Option<&str>,
583        mut iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
584        ___deadline: zx::MonotonicInstant,
585    ) -> Result<StoreIterateResult, fidl::Error> {
586        let _response =
587            self.client
588                .send_query::<StoreIterateRequest, fidl::encoding::FlexibleResultType<
589                    fidl::encoding::EmptyStruct,
590                    IterateConnectionError,
591                >>(
592                    (starting_at, iterator),
593                    0x48ee436cb85c3f27,
594                    fidl::encoding::DynamicFlags::FLEXIBLE,
595                    ___deadline,
596                )?
597                .into_result::<StoreMarker>("iterate")?;
598        Ok(_response.map(|x| x))
599    }
600}
601
602#[cfg(target_os = "fuchsia")]
603impl From<StoreSynchronousProxy> for zx::Handle {
604    fn from(value: StoreSynchronousProxy) -> Self {
605        value.into_channel().into()
606    }
607}
608
609#[cfg(target_os = "fuchsia")]
610impl From<fidl::Channel> for StoreSynchronousProxy {
611    fn from(value: fidl::Channel) -> Self {
612        Self::new(value)
613    }
614}
615
616#[derive(Debug, Clone)]
617pub struct StoreProxy {
618    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
619}
620
621impl fidl::endpoints::Proxy for StoreProxy {
622    type Protocol = StoreMarker;
623
624    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
625        Self::new(inner)
626    }
627
628    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
629        self.client.into_channel().map_err(|client| Self { client })
630    }
631
632    fn as_channel(&self) -> &::fidl::AsyncChannel {
633        self.client.as_channel()
634    }
635}
636
637impl StoreProxy {
638    /// Create a new Proxy for examples.keyvaluestore.additerator/Store.
639    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
640        let protocol_name = <StoreMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
641        Self { client: fidl::client::Client::new(channel, protocol_name) }
642    }
643
644    /// Get a Stream of events from the remote end of the protocol.
645    ///
646    /// # Panics
647    ///
648    /// Panics if the event stream was already taken.
649    pub fn take_event_stream(&self) -> StoreEventStream {
650        StoreEventStream { event_receiver: self.client.take_event_receiver() }
651    }
652
653    /// Writes an item to the store.
654    pub fn r#write_item(
655        &self,
656        mut attempt: &Item,
657    ) -> fidl::client::QueryResponseFut<
658        StoreWriteItemResult,
659        fidl::encoding::DefaultFuchsiaResourceDialect,
660    > {
661        StoreProxyInterface::r#write_item(self, attempt)
662    }
663
664    /// Iterates over the items in the store, using lexicographic ordering over the keys.
665    ///
666    /// The [`iterator`] is [pipelined][pipelining] to the server, such that the client can
667    /// immediately send requests over the new connection.
668    ///
669    /// [pipelining]: https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#request-pipelining
670    pub fn r#iterate(
671        &self,
672        mut starting_at: Option<&str>,
673        mut iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
674    ) -> fidl::client::QueryResponseFut<
675        StoreIterateResult,
676        fidl::encoding::DefaultFuchsiaResourceDialect,
677    > {
678        StoreProxyInterface::r#iterate(self, starting_at, iterator)
679    }
680}
681
682impl StoreProxyInterface for StoreProxy {
683    type WriteItemResponseFut = fidl::client::QueryResponseFut<
684        StoreWriteItemResult,
685        fidl::encoding::DefaultFuchsiaResourceDialect,
686    >;
687    fn r#write_item(&self, mut attempt: &Item) -> Self::WriteItemResponseFut {
688        fn _decode(
689            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
690        ) -> Result<StoreWriteItemResult, fidl::Error> {
691            let _response = fidl::client::decode_transaction_body::<
692                fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, WriteError>,
693                fidl::encoding::DefaultFuchsiaResourceDialect,
694                0x3a714dd8953e97b2,
695            >(_buf?)?
696            .into_result::<StoreMarker>("write_item")?;
697            Ok(_response.map(|x| x))
698        }
699        self.client.send_query_and_decode::<StoreWriteItemRequest, StoreWriteItemResult>(
700            (attempt,),
701            0x3a714dd8953e97b2,
702            fidl::encoding::DynamicFlags::FLEXIBLE,
703            _decode,
704        )
705    }
706
707    type IterateResponseFut = fidl::client::QueryResponseFut<
708        StoreIterateResult,
709        fidl::encoding::DefaultFuchsiaResourceDialect,
710    >;
711    fn r#iterate(
712        &self,
713        mut starting_at: Option<&str>,
714        mut iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
715    ) -> Self::IterateResponseFut {
716        fn _decode(
717            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
718        ) -> Result<StoreIterateResult, fidl::Error> {
719            let _response = fidl::client::decode_transaction_body::<
720                fidl::encoding::FlexibleResultType<
721                    fidl::encoding::EmptyStruct,
722                    IterateConnectionError,
723                >,
724                fidl::encoding::DefaultFuchsiaResourceDialect,
725                0x48ee436cb85c3f27,
726            >(_buf?)?
727            .into_result::<StoreMarker>("iterate")?;
728            Ok(_response.map(|x| x))
729        }
730        self.client.send_query_and_decode::<StoreIterateRequest, StoreIterateResult>(
731            (starting_at, iterator),
732            0x48ee436cb85c3f27,
733            fidl::encoding::DynamicFlags::FLEXIBLE,
734            _decode,
735        )
736    }
737}
738
739pub struct StoreEventStream {
740    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
741}
742
743impl std::marker::Unpin for StoreEventStream {}
744
745impl futures::stream::FusedStream for StoreEventStream {
746    fn is_terminated(&self) -> bool {
747        self.event_receiver.is_terminated()
748    }
749}
750
751impl futures::Stream for StoreEventStream {
752    type Item = Result<StoreEvent, fidl::Error>;
753
754    fn poll_next(
755        mut self: std::pin::Pin<&mut Self>,
756        cx: &mut std::task::Context<'_>,
757    ) -> std::task::Poll<Option<Self::Item>> {
758        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
759            &mut self.event_receiver,
760            cx
761        )?) {
762            Some(buf) => std::task::Poll::Ready(Some(StoreEvent::decode(buf))),
763            None => std::task::Poll::Ready(None),
764        }
765    }
766}
767
768#[derive(Debug)]
769pub enum StoreEvent {
770    #[non_exhaustive]
771    _UnknownEvent {
772        /// Ordinal of the event that was sent.
773        ordinal: u64,
774    },
775}
776
777impl StoreEvent {
778    /// Decodes a message buffer as a [`StoreEvent`].
779    fn decode(
780        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
781    ) -> Result<StoreEvent, fidl::Error> {
782        let (bytes, _handles) = buf.split_mut();
783        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
784        debug_assert_eq!(tx_header.tx_id, 0);
785        match tx_header.ordinal {
786            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
787                Ok(StoreEvent::_UnknownEvent { ordinal: tx_header.ordinal })
788            }
789            _ => Err(fidl::Error::UnknownOrdinal {
790                ordinal: tx_header.ordinal,
791                protocol_name: <StoreMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
792            }),
793        }
794    }
795}
796
797/// A Stream of incoming requests for examples.keyvaluestore.additerator/Store.
798pub struct StoreRequestStream {
799    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
800    is_terminated: bool,
801}
802
803impl std::marker::Unpin for StoreRequestStream {}
804
805impl futures::stream::FusedStream for StoreRequestStream {
806    fn is_terminated(&self) -> bool {
807        self.is_terminated
808    }
809}
810
811impl fidl::endpoints::RequestStream for StoreRequestStream {
812    type Protocol = StoreMarker;
813    type ControlHandle = StoreControlHandle;
814
815    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
816        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
817    }
818
819    fn control_handle(&self) -> Self::ControlHandle {
820        StoreControlHandle { inner: self.inner.clone() }
821    }
822
823    fn into_inner(
824        self,
825    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
826    {
827        (self.inner, self.is_terminated)
828    }
829
830    fn from_inner(
831        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
832        is_terminated: bool,
833    ) -> Self {
834        Self { inner, is_terminated }
835    }
836}
837
838impl futures::Stream for StoreRequestStream {
839    type Item = Result<StoreRequest, fidl::Error>;
840
841    fn poll_next(
842        mut self: std::pin::Pin<&mut Self>,
843        cx: &mut std::task::Context<'_>,
844    ) -> std::task::Poll<Option<Self::Item>> {
845        let this = &mut *self;
846        if this.inner.check_shutdown(cx) {
847            this.is_terminated = true;
848            return std::task::Poll::Ready(None);
849        }
850        if this.is_terminated {
851            panic!("polled StoreRequestStream after completion");
852        }
853        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
854            |bytes, handles| {
855                match this.inner.channel().read_etc(cx, bytes, handles) {
856                    std::task::Poll::Ready(Ok(())) => {}
857                    std::task::Poll::Pending => return std::task::Poll::Pending,
858                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
859                        this.is_terminated = true;
860                        return std::task::Poll::Ready(None);
861                    }
862                    std::task::Poll::Ready(Err(e)) => {
863                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
864                            e.into(),
865                        ))))
866                    }
867                }
868
869                // A message has been received from the channel
870                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
871
872                std::task::Poll::Ready(Some(match header.ordinal {
873                    0x3a714dd8953e97b2 => {
874                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
875                        let mut req = fidl::new_empty!(
876                            StoreWriteItemRequest,
877                            fidl::encoding::DefaultFuchsiaResourceDialect
878                        );
879                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<StoreWriteItemRequest>(&header, _body_bytes, handles, &mut req)?;
880                        let control_handle = StoreControlHandle { inner: this.inner.clone() };
881                        Ok(StoreRequest::WriteItem {
882                            attempt: req.attempt,
883
884                            responder: StoreWriteItemResponder {
885                                control_handle: std::mem::ManuallyDrop::new(control_handle),
886                                tx_id: header.tx_id,
887                            },
888                        })
889                    }
890                    0x48ee436cb85c3f27 => {
891                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
892                        let mut req = fidl::new_empty!(
893                            StoreIterateRequest,
894                            fidl::encoding::DefaultFuchsiaResourceDialect
895                        );
896                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<StoreIterateRequest>(&header, _body_bytes, handles, &mut req)?;
897                        let control_handle = StoreControlHandle { inner: this.inner.clone() };
898                        Ok(StoreRequest::Iterate {
899                            starting_at: req.starting_at,
900                            iterator: req.iterator,
901
902                            responder: StoreIterateResponder {
903                                control_handle: std::mem::ManuallyDrop::new(control_handle),
904                                tx_id: header.tx_id,
905                            },
906                        })
907                    }
908                    _ if header.tx_id == 0
909                        && header
910                            .dynamic_flags()
911                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
912                    {
913                        Ok(StoreRequest::_UnknownMethod {
914                            ordinal: header.ordinal,
915                            control_handle: StoreControlHandle { inner: this.inner.clone() },
916                            method_type: fidl::MethodType::OneWay,
917                        })
918                    }
919                    _ if header
920                        .dynamic_flags()
921                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
922                    {
923                        this.inner.send_framework_err(
924                            fidl::encoding::FrameworkErr::UnknownMethod,
925                            header.tx_id,
926                            header.ordinal,
927                            header.dynamic_flags(),
928                            (bytes, handles),
929                        )?;
930                        Ok(StoreRequest::_UnknownMethod {
931                            ordinal: header.ordinal,
932                            control_handle: StoreControlHandle { inner: this.inner.clone() },
933                            method_type: fidl::MethodType::TwoWay,
934                        })
935                    }
936                    _ => Err(fidl::Error::UnknownOrdinal {
937                        ordinal: header.ordinal,
938                        protocol_name: <StoreMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
939                    }),
940                }))
941            },
942        )
943    }
944}
945
946/// A key-value store which supports insertion and iteration.
947#[derive(Debug)]
948pub enum StoreRequest {
949    /// Writes an item to the store.
950    WriteItem { attempt: Item, responder: StoreWriteItemResponder },
951    /// Iterates over the items in the store, using lexicographic ordering over the keys.
952    ///
953    /// The [`iterator`] is [pipelined][pipelining] to the server, such that the client can
954    /// immediately send requests over the new connection.
955    ///
956    /// [pipelining]: https://fuchsia.dev/fuchsia-src/development/api/fidl?hl=en#request-pipelining
957    Iterate {
958        starting_at: Option<String>,
959        iterator: fidl::endpoints::ServerEnd<IteratorMarker>,
960        responder: StoreIterateResponder,
961    },
962    /// An interaction was received which does not match any known method.
963    #[non_exhaustive]
964    _UnknownMethod {
965        /// Ordinal of the method that was called.
966        ordinal: u64,
967        control_handle: StoreControlHandle,
968        method_type: fidl::MethodType,
969    },
970}
971
972impl StoreRequest {
973    #[allow(irrefutable_let_patterns)]
974    pub fn into_write_item(self) -> Option<(Item, StoreWriteItemResponder)> {
975        if let StoreRequest::WriteItem { attempt, responder } = self {
976            Some((attempt, responder))
977        } else {
978            None
979        }
980    }
981
982    #[allow(irrefutable_let_patterns)]
983    pub fn into_iterate(
984        self,
985    ) -> Option<(Option<String>, fidl::endpoints::ServerEnd<IteratorMarker>, StoreIterateResponder)>
986    {
987        if let StoreRequest::Iterate { starting_at, iterator, responder } = self {
988            Some((starting_at, iterator, responder))
989        } else {
990            None
991        }
992    }
993
994    /// Name of the method defined in FIDL
995    pub fn method_name(&self) -> &'static str {
996        match *self {
997            StoreRequest::WriteItem { .. } => "write_item",
998            StoreRequest::Iterate { .. } => "iterate",
999            StoreRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
1000                "unknown one-way method"
1001            }
1002            StoreRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
1003                "unknown two-way method"
1004            }
1005        }
1006    }
1007}
1008
1009#[derive(Debug, Clone)]
1010pub struct StoreControlHandle {
1011    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
1012}
1013
1014impl fidl::endpoints::ControlHandle for StoreControlHandle {
1015    fn shutdown(&self) {
1016        self.inner.shutdown()
1017    }
1018    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
1019        self.inner.shutdown_with_epitaph(status)
1020    }
1021
1022    fn is_closed(&self) -> bool {
1023        self.inner.channel().is_closed()
1024    }
1025    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
1026        self.inner.channel().on_closed()
1027    }
1028
1029    #[cfg(target_os = "fuchsia")]
1030    fn signal_peer(
1031        &self,
1032        clear_mask: zx::Signals,
1033        set_mask: zx::Signals,
1034    ) -> Result<(), zx_status::Status> {
1035        use fidl::Peered;
1036        self.inner.channel().signal_peer(clear_mask, set_mask)
1037    }
1038}
1039
1040impl StoreControlHandle {}
1041
1042#[must_use = "FIDL methods require a response to be sent"]
1043#[derive(Debug)]
1044pub struct StoreWriteItemResponder {
1045    control_handle: std::mem::ManuallyDrop<StoreControlHandle>,
1046    tx_id: u32,
1047}
1048
1049/// Set the the channel to be shutdown (see [`StoreControlHandle::shutdown`])
1050/// if the responder is dropped without sending a response, so that the client
1051/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
1052impl std::ops::Drop for StoreWriteItemResponder {
1053    fn drop(&mut self) {
1054        self.control_handle.shutdown();
1055        // Safety: drops once, never accessed again
1056        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
1057    }
1058}
1059
1060impl fidl::endpoints::Responder for StoreWriteItemResponder {
1061    type ControlHandle = StoreControlHandle;
1062
1063    fn control_handle(&self) -> &StoreControlHandle {
1064        &self.control_handle
1065    }
1066
1067    fn drop_without_shutdown(mut self) {
1068        // Safety: drops once, never accessed again due to mem::forget
1069        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
1070        // Prevent Drop from running (which would shut down the channel)
1071        std::mem::forget(self);
1072    }
1073}
1074
1075impl StoreWriteItemResponder {
1076    /// Sends a response to the FIDL transaction.
1077    ///
1078    /// Sets the channel to shutdown if an error occurs.
1079    pub fn send(self, mut result: Result<(), WriteError>) -> Result<(), fidl::Error> {
1080        let _result = self.send_raw(result);
1081        if _result.is_err() {
1082            self.control_handle.shutdown();
1083        }
1084        self.drop_without_shutdown();
1085        _result
1086    }
1087
1088    /// Similar to "send" but does not shutdown the channel if an error occurs.
1089    pub fn send_no_shutdown_on_err(
1090        self,
1091        mut result: Result<(), WriteError>,
1092    ) -> Result<(), fidl::Error> {
1093        let _result = self.send_raw(result);
1094        self.drop_without_shutdown();
1095        _result
1096    }
1097
1098    fn send_raw(&self, mut result: Result<(), WriteError>) -> Result<(), fidl::Error> {
1099        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
1100            fidl::encoding::EmptyStruct,
1101            WriteError,
1102        >>(
1103            fidl::encoding::FlexibleResult::new(result),
1104            self.tx_id,
1105            0x3a714dd8953e97b2,
1106            fidl::encoding::DynamicFlags::FLEXIBLE,
1107        )
1108    }
1109}
1110
1111#[must_use = "FIDL methods require a response to be sent"]
1112#[derive(Debug)]
1113pub struct StoreIterateResponder {
1114    control_handle: std::mem::ManuallyDrop<StoreControlHandle>,
1115    tx_id: u32,
1116}
1117
1118/// Set the the channel to be shutdown (see [`StoreControlHandle::shutdown`])
1119/// if the responder is dropped without sending a response, so that the client
1120/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
1121impl std::ops::Drop for StoreIterateResponder {
1122    fn drop(&mut self) {
1123        self.control_handle.shutdown();
1124        // Safety: drops once, never accessed again
1125        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
1126    }
1127}
1128
1129impl fidl::endpoints::Responder for StoreIterateResponder {
1130    type ControlHandle = StoreControlHandle;
1131
1132    fn control_handle(&self) -> &StoreControlHandle {
1133        &self.control_handle
1134    }
1135
1136    fn drop_without_shutdown(mut self) {
1137        // Safety: drops once, never accessed again due to mem::forget
1138        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
1139        // Prevent Drop from running (which would shut down the channel)
1140        std::mem::forget(self);
1141    }
1142}
1143
1144impl StoreIterateResponder {
1145    /// Sends a response to the FIDL transaction.
1146    ///
1147    /// Sets the channel to shutdown if an error occurs.
1148    pub fn send(self, mut result: Result<(), IterateConnectionError>) -> Result<(), fidl::Error> {
1149        let _result = self.send_raw(result);
1150        if _result.is_err() {
1151            self.control_handle.shutdown();
1152        }
1153        self.drop_without_shutdown();
1154        _result
1155    }
1156
1157    /// Similar to "send" but does not shutdown the channel if an error occurs.
1158    pub fn send_no_shutdown_on_err(
1159        self,
1160        mut result: Result<(), IterateConnectionError>,
1161    ) -> Result<(), fidl::Error> {
1162        let _result = self.send_raw(result);
1163        self.drop_without_shutdown();
1164        _result
1165    }
1166
1167    fn send_raw(&self, mut result: Result<(), IterateConnectionError>) -> Result<(), fidl::Error> {
1168        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
1169            fidl::encoding::EmptyStruct,
1170            IterateConnectionError,
1171        >>(
1172            fidl::encoding::FlexibleResult::new(result),
1173            self.tx_id,
1174            0x48ee436cb85c3f27,
1175            fidl::encoding::DynamicFlags::FLEXIBLE,
1176        )
1177    }
1178}
1179
1180mod internal {
1181    use super::*;
1182
1183    impl fidl::encoding::ResourceTypeMarker for StoreIterateRequest {
1184        type Borrowed<'a> = &'a mut Self;
1185        fn take_or_borrow<'a>(
1186            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
1187        ) -> Self::Borrowed<'a> {
1188            value
1189        }
1190    }
1191
1192    unsafe impl fidl::encoding::TypeMarker for StoreIterateRequest {
1193        type Owned = Self;
1194
1195        #[inline(always)]
1196        fn inline_align(_context: fidl::encoding::Context) -> usize {
1197            8
1198        }
1199
1200        #[inline(always)]
1201        fn inline_size(_context: fidl::encoding::Context) -> usize {
1202            24
1203        }
1204    }
1205
1206    unsafe impl
1207        fidl::encoding::Encode<StoreIterateRequest, fidl::encoding::DefaultFuchsiaResourceDialect>
1208        for &mut StoreIterateRequest
1209    {
1210        #[inline]
1211        unsafe fn encode(
1212            self,
1213            encoder: &mut fidl::encoding::Encoder<
1214                '_,
1215                fidl::encoding::DefaultFuchsiaResourceDialect,
1216            >,
1217            offset: usize,
1218            _depth: fidl::encoding::Depth,
1219        ) -> fidl::Result<()> {
1220            encoder.debug_check_bounds::<StoreIterateRequest>(offset);
1221            // Delegate to tuple encoding.
1222            fidl::encoding::Encode::<StoreIterateRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
1223                (
1224                    <fidl::encoding::Optional<fidl::encoding::BoundedString<128>> as fidl::encoding::ValueTypeMarker>::borrow(&self.starting_at),
1225                    <fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<IteratorMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.iterator),
1226                ),
1227                encoder, offset, _depth
1228            )
1229        }
1230    }
1231    unsafe impl<
1232            T0: fidl::encoding::Encode<
1233                fidl::encoding::Optional<fidl::encoding::BoundedString<128>>,
1234                fidl::encoding::DefaultFuchsiaResourceDialect,
1235            >,
1236            T1: fidl::encoding::Encode<
1237                fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<IteratorMarker>>,
1238                fidl::encoding::DefaultFuchsiaResourceDialect,
1239            >,
1240        >
1241        fidl::encoding::Encode<StoreIterateRequest, fidl::encoding::DefaultFuchsiaResourceDialect>
1242        for (T0, T1)
1243    {
1244        #[inline]
1245        unsafe fn encode(
1246            self,
1247            encoder: &mut fidl::encoding::Encoder<
1248                '_,
1249                fidl::encoding::DefaultFuchsiaResourceDialect,
1250            >,
1251            offset: usize,
1252            depth: fidl::encoding::Depth,
1253        ) -> fidl::Result<()> {
1254            encoder.debug_check_bounds::<StoreIterateRequest>(offset);
1255            // Zero out padding regions. There's no need to apply masks
1256            // because the unmasked parts will be overwritten by fields.
1257            unsafe {
1258                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
1259                (ptr as *mut u64).write_unaligned(0);
1260            }
1261            // Write the fields.
1262            self.0.encode(encoder, offset + 0, depth)?;
1263            self.1.encode(encoder, offset + 16, depth)?;
1264            Ok(())
1265        }
1266    }
1267
1268    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
1269        for StoreIterateRequest
1270    {
1271        #[inline(always)]
1272        fn new_empty() -> Self {
1273            Self {
1274                starting_at: fidl::new_empty!(
1275                    fidl::encoding::Optional<fidl::encoding::BoundedString<128>>,
1276                    fidl::encoding::DefaultFuchsiaResourceDialect
1277                ),
1278                iterator: fidl::new_empty!(
1279                    fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<IteratorMarker>>,
1280                    fidl::encoding::DefaultFuchsiaResourceDialect
1281                ),
1282            }
1283        }
1284
1285        #[inline]
1286        unsafe fn decode(
1287            &mut self,
1288            decoder: &mut fidl::encoding::Decoder<
1289                '_,
1290                fidl::encoding::DefaultFuchsiaResourceDialect,
1291            >,
1292            offset: usize,
1293            _depth: fidl::encoding::Depth,
1294        ) -> fidl::Result<()> {
1295            decoder.debug_check_bounds::<Self>(offset);
1296            // Verify that padding bytes are zero.
1297            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
1298            let padval = unsafe { (ptr as *const u64).read_unaligned() };
1299            let mask = 0xffffffff00000000u64;
1300            let maskedval = padval & mask;
1301            if maskedval != 0 {
1302                return Err(fidl::Error::NonZeroPadding {
1303                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
1304                });
1305            }
1306            fidl::decode!(
1307                fidl::encoding::Optional<fidl::encoding::BoundedString<128>>,
1308                fidl::encoding::DefaultFuchsiaResourceDialect,
1309                &mut self.starting_at,
1310                decoder,
1311                offset + 0,
1312                _depth
1313            )?;
1314            fidl::decode!(
1315                fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<IteratorMarker>>,
1316                fidl::encoding::DefaultFuchsiaResourceDialect,
1317                &mut self.iterator,
1318                decoder,
1319                offset + 16,
1320                _depth
1321            )?;
1322            Ok(())
1323        }
1324    }
1325}
fidl_examples_keyvaluestore_additerator/fidl_examples_keyvaluestore_additerator.rs

fidl_examples_keyvaluestore_additerator/
fidl_examples_keyvaluestore_additerator.rs
