fidl_fuchsia_lightsensor/
fidl_fuchsia_lightsensor.rs

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_fuchsia_lightsensor_common::*;
11use futures::future::{self, MaybeDone, TryFutureExt};
12use zx_status;
13
14#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
15pub struct CalibratorMarker;
16
17impl fidl::endpoints::ProtocolMarker for CalibratorMarker {
18    type Proxy = CalibratorProxy;
19    type RequestStream = CalibratorRequestStream;
20    #[cfg(target_os = "fuchsia")]
21    type SynchronousProxy = CalibratorSynchronousProxy;
22
23    const DEBUG_NAME: &'static str = "fuchsia.lightsensor.Calibrator";
24}
25impl fidl::endpoints::DiscoverableProtocolMarker for CalibratorMarker {}
26pub type CalibratorCalibrateResult = Result<Rgbc, Error>;
27
28pub trait CalibratorProxyInterface: Send + Sync {
29    type CalibrateResponseFut: std::future::Future<Output = Result<CalibratorCalibrateResult, fidl::Error>>
30        + Send;
31    fn r#calibrate(&self, data: &Rgbc) -> Self::CalibrateResponseFut;
32}
33#[derive(Debug)]
34#[cfg(target_os = "fuchsia")]
35pub struct CalibratorSynchronousProxy {
36    client: fidl::client::sync::Client,
37}
38
39#[cfg(target_os = "fuchsia")]
40impl fidl::endpoints::SynchronousProxy for CalibratorSynchronousProxy {
41    type Proxy = CalibratorProxy;
42    type Protocol = CalibratorMarker;
43
44    fn from_channel(inner: fidl::Channel) -> Self {
45        Self::new(inner)
46    }
47
48    fn into_channel(self) -> fidl::Channel {
49        self.client.into_channel()
50    }
51
52    fn as_channel(&self) -> &fidl::Channel {
53        self.client.as_channel()
54    }
55}
56
57#[cfg(target_os = "fuchsia")]
58impl CalibratorSynchronousProxy {
59    pub fn new(channel: fidl::Channel) -> Self {
60        Self { client: fidl::client::sync::Client::new(channel) }
61    }
62
63    pub fn into_channel(self) -> fidl::Channel {
64        self.client.into_channel()
65    }
66
67    /// Waits until an event arrives and returns it. It is safe for other
68    /// threads to make concurrent requests while waiting for an event.
69    pub fn wait_for_event(
70        &self,
71        deadline: zx::MonotonicInstant,
72    ) -> Result<CalibratorEvent, fidl::Error> {
73        CalibratorEvent::decode(self.client.wait_for_event::<CalibratorMarker>(deadline)?)
74    }
75
76    /// Calibrates the supplied raw [Rgbc] and returns calibrated [Rgbc].
77    pub fn r#calibrate(
78        &self,
79        mut data: &Rgbc,
80        ___deadline: zx::MonotonicInstant,
81    ) -> Result<CalibratorCalibrateResult, fidl::Error> {
82        let _response = self.client.send_query::<
83            CalibratorCalibrateRequest,
84            fidl::encoding::ResultType<CalibratorCalibrateResponse, Error>,
85            CalibratorMarker,
86        >(
87            (data,),
88            0x7ddb7eaf88039b02,
89            fidl::encoding::DynamicFlags::empty(),
90            ___deadline,
91        )?;
92        Ok(_response.map(|x| x.data))
93    }
94}
95
96#[cfg(target_os = "fuchsia")]
97impl From<CalibratorSynchronousProxy> for zx::NullableHandle {
98    fn from(value: CalibratorSynchronousProxy) -> Self {
99        value.into_channel().into()
100    }
101}
102
103#[cfg(target_os = "fuchsia")]
104impl From<fidl::Channel> for CalibratorSynchronousProxy {
105    fn from(value: fidl::Channel) -> Self {
106        Self::new(value)
107    }
108}
109
110#[cfg(target_os = "fuchsia")]
111impl fidl::endpoints::FromClient for CalibratorSynchronousProxy {
112    type Protocol = CalibratorMarker;
113
114    fn from_client(value: fidl::endpoints::ClientEnd<CalibratorMarker>) -> Self {
115        Self::new(value.into_channel())
116    }
117}
118
119#[derive(Debug, Clone)]
120pub struct CalibratorProxy {
121    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
122}
123
124impl fidl::endpoints::Proxy for CalibratorProxy {
125    type Protocol = CalibratorMarker;
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 CalibratorProxy {
141    /// Create a new Proxy for fuchsia.lightsensor/Calibrator.
142    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
143        let protocol_name = <CalibratorMarker 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) -> CalibratorEventStream {
153        CalibratorEventStream { event_receiver: self.client.take_event_receiver() }
154    }
155
156    /// Calibrates the supplied raw [Rgbc] and returns calibrated [Rgbc].
157    pub fn r#calibrate(
158        &self,
159        mut data: &Rgbc,
160    ) -> fidl::client::QueryResponseFut<
161        CalibratorCalibrateResult,
162        fidl::encoding::DefaultFuchsiaResourceDialect,
163    > {
164        CalibratorProxyInterface::r#calibrate(self, data)
165    }
166}
167
168impl CalibratorProxyInterface for CalibratorProxy {
169    type CalibrateResponseFut = fidl::client::QueryResponseFut<
170        CalibratorCalibrateResult,
171        fidl::encoding::DefaultFuchsiaResourceDialect,
172    >;
173    fn r#calibrate(&self, mut data: &Rgbc) -> Self::CalibrateResponseFut {
174        fn _decode(
175            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
176        ) -> Result<CalibratorCalibrateResult, fidl::Error> {
177            let _response = fidl::client::decode_transaction_body::<
178                fidl::encoding::ResultType<CalibratorCalibrateResponse, Error>,
179                fidl::encoding::DefaultFuchsiaResourceDialect,
180                0x7ddb7eaf88039b02,
181            >(_buf?)?;
182            Ok(_response.map(|x| x.data))
183        }
184        self.client.send_query_and_decode::<CalibratorCalibrateRequest, CalibratorCalibrateResult>(
185            (data,),
186            0x7ddb7eaf88039b02,
187            fidl::encoding::DynamicFlags::empty(),
188            _decode,
189        )
190    }
191}
192
193pub struct CalibratorEventStream {
194    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
195}
196
197impl std::marker::Unpin for CalibratorEventStream {}
198
199impl futures::stream::FusedStream for CalibratorEventStream {
200    fn is_terminated(&self) -> bool {
201        self.event_receiver.is_terminated()
202    }
203}
204
205impl futures::Stream for CalibratorEventStream {
206    type Item = Result<CalibratorEvent, fidl::Error>;
207
208    fn poll_next(
209        mut self: std::pin::Pin<&mut Self>,
210        cx: &mut std::task::Context<'_>,
211    ) -> std::task::Poll<Option<Self::Item>> {
212        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
213            &mut self.event_receiver,
214            cx
215        )?) {
216            Some(buf) => std::task::Poll::Ready(Some(CalibratorEvent::decode(buf))),
217            None => std::task::Poll::Ready(None),
218        }
219    }
220}
221
222#[derive(Debug)]
223pub enum CalibratorEvent {}
224
225impl CalibratorEvent {
226    /// Decodes a message buffer as a [`CalibratorEvent`].
227    fn decode(
228        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
229    ) -> Result<CalibratorEvent, fidl::Error> {
230        let (bytes, _handles) = buf.split_mut();
231        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
232        debug_assert_eq!(tx_header.tx_id, 0);
233        match tx_header.ordinal {
234            _ => Err(fidl::Error::UnknownOrdinal {
235                ordinal: tx_header.ordinal,
236                protocol_name: <CalibratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
237            }),
238        }
239    }
240}
241
242/// A Stream of incoming requests for fuchsia.lightsensor/Calibrator.
243pub struct CalibratorRequestStream {
244    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
245    is_terminated: bool,
246}
247
248impl std::marker::Unpin for CalibratorRequestStream {}
249
250impl futures::stream::FusedStream for CalibratorRequestStream {
251    fn is_terminated(&self) -> bool {
252        self.is_terminated
253    }
254}
255
256impl fidl::endpoints::RequestStream for CalibratorRequestStream {
257    type Protocol = CalibratorMarker;
258    type ControlHandle = CalibratorControlHandle;
259
260    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
261        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
262    }
263
264    fn control_handle(&self) -> Self::ControlHandle {
265        CalibratorControlHandle { inner: self.inner.clone() }
266    }
267
268    fn into_inner(
269        self,
270    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
271    {
272        (self.inner, self.is_terminated)
273    }
274
275    fn from_inner(
276        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
277        is_terminated: bool,
278    ) -> Self {
279        Self { inner, is_terminated }
280    }
281}
282
283impl futures::Stream for CalibratorRequestStream {
284    type Item = Result<CalibratorRequest, fidl::Error>;
285
286    fn poll_next(
287        mut self: std::pin::Pin<&mut Self>,
288        cx: &mut std::task::Context<'_>,
289    ) -> std::task::Poll<Option<Self::Item>> {
290        let this = &mut *self;
291        if this.inner.check_shutdown(cx) {
292            this.is_terminated = true;
293            return std::task::Poll::Ready(None);
294        }
295        if this.is_terminated {
296            panic!("polled CalibratorRequestStream after completion");
297        }
298        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
299            |bytes, handles| {
300                match this.inner.channel().read_etc(cx, bytes, handles) {
301                    std::task::Poll::Ready(Ok(())) => {}
302                    std::task::Poll::Pending => return std::task::Poll::Pending,
303                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
304                        this.is_terminated = true;
305                        return std::task::Poll::Ready(None);
306                    }
307                    std::task::Poll::Ready(Err(e)) => {
308                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
309                            e.into(),
310                        ))));
311                    }
312                }
313
314                // A message has been received from the channel
315                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
316
317                std::task::Poll::Ready(Some(match header.ordinal {
318                    0x7ddb7eaf88039b02 => {
319                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
320                        let mut req = fidl::new_empty!(
321                            CalibratorCalibrateRequest,
322                            fidl::encoding::DefaultFuchsiaResourceDialect
323                        );
324                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<CalibratorCalibrateRequest>(&header, _body_bytes, handles, &mut req)?;
325                        let control_handle = CalibratorControlHandle { inner: this.inner.clone() };
326                        Ok(CalibratorRequest::Calibrate {
327                            data: req.data,
328
329                            responder: CalibratorCalibrateResponder {
330                                control_handle: std::mem::ManuallyDrop::new(control_handle),
331                                tx_id: header.tx_id,
332                            },
333                        })
334                    }
335                    _ => Err(fidl::Error::UnknownOrdinal {
336                        ordinal: header.ordinal,
337                        protocol_name:
338                            <CalibratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
339                    }),
340                }))
341            },
342        )
343    }
344}
345
346/// `Calibrator` is responsible for calibrating the raw data that comes from the
347/// product-configured light sensor. It is only intended to be used internally.
348#[derive(Debug)]
349pub enum CalibratorRequest {
350    /// Calibrates the supplied raw [Rgbc] and returns calibrated [Rgbc].
351    Calibrate { data: Rgbc, responder: CalibratorCalibrateResponder },
352}
353
354impl CalibratorRequest {
355    #[allow(irrefutable_let_patterns)]
356    pub fn into_calibrate(self) -> Option<(Rgbc, CalibratorCalibrateResponder)> {
357        if let CalibratorRequest::Calibrate { data, responder } = self {
358            Some((data, responder))
359        } else {
360            None
361        }
362    }
363
364    /// Name of the method defined in FIDL
365    pub fn method_name(&self) -> &'static str {
366        match *self {
367            CalibratorRequest::Calibrate { .. } => "calibrate",
368        }
369    }
370}
371
372#[derive(Debug, Clone)]
373pub struct CalibratorControlHandle {
374    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
375}
376
377impl CalibratorControlHandle {
378    pub fn shutdown_with_epitaph(&self, status: impl Into<fidl::Epitaph>) {
379        self.inner.shutdown_with_epitaph(status.into())
380    }
381}
382
383impl fidl::endpoints::ControlHandle for CalibratorControlHandle {
384    fn shutdown(&self) {
385        self.inner.shutdown()
386    }
387
388    fn shutdown_with_epitaph(&self, status: fidl::Epitaph) {
389        self.inner.shutdown_with_epitaph(status)
390    }
391
392    fn is_closed(&self) -> bool {
393        self.inner.channel().is_closed()
394    }
395    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
396        self.inner.channel().on_closed()
397    }
398
399    #[cfg(target_os = "fuchsia")]
400    fn signal_peer(
401        &self,
402        clear_mask: zx::Signals,
403        set_mask: zx::Signals,
404    ) -> Result<(), zx_status::Status> {
405        use fidl::Peered;
406        self.inner.channel().signal_peer(clear_mask, set_mask)
407    }
408}
409
410impl CalibratorControlHandle {}
411
412#[must_use = "FIDL methods require a response to be sent"]
413#[derive(Debug)]
414pub struct CalibratorCalibrateResponder {
415    control_handle: std::mem::ManuallyDrop<CalibratorControlHandle>,
416    tx_id: u32,
417}
418
419/// Set the the channel to be shutdown (see [`CalibratorControlHandle::shutdown`])
420/// if the responder is dropped without sending a response, so that the client
421/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
422impl std::ops::Drop for CalibratorCalibrateResponder {
423    fn drop(&mut self) {
424        self.control_handle.shutdown();
425        // Safety: drops once, never accessed again
426        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
427    }
428}
429
430impl fidl::endpoints::Responder for CalibratorCalibrateResponder {
431    type ControlHandle = CalibratorControlHandle;
432
433    fn control_handle(&self) -> &CalibratorControlHandle {
434        &self.control_handle
435    }
436
437    fn drop_without_shutdown(mut self) {
438        // Safety: drops once, never accessed again due to mem::forget
439        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
440        // Prevent Drop from running (which would shut down the channel)
441        std::mem::forget(self);
442    }
443}
444
445impl CalibratorCalibrateResponder {
446    /// Sends a response to the FIDL transaction.
447    ///
448    /// Sets the channel to shutdown if an error occurs.
449    pub fn send(self, mut result: Result<&Rgbc, Error>) -> Result<(), fidl::Error> {
450        let _result = self.send_raw(result);
451        if _result.is_err() {
452            self.control_handle.shutdown();
453        }
454        self.drop_without_shutdown();
455        _result
456    }
457
458    /// Similar to "send" but does not shutdown the channel if an error occurs.
459    pub fn send_no_shutdown_on_err(
460        self,
461        mut result: Result<&Rgbc, Error>,
462    ) -> Result<(), fidl::Error> {
463        let _result = self.send_raw(result);
464        self.drop_without_shutdown();
465        _result
466    }
467
468    fn send_raw(&self, mut result: Result<&Rgbc, Error>) -> Result<(), fidl::Error> {
469        self.control_handle
470            .inner
471            .send::<fidl::encoding::ResultType<CalibratorCalibrateResponse, Error>>(
472                result.map(|data| (data,)),
473                self.tx_id,
474                0x7ddb7eaf88039b02,
475                fidl::encoding::DynamicFlags::empty(),
476            )
477    }
478}
479
480#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
481pub struct SensorMarker;
482
483impl fidl::endpoints::ProtocolMarker for SensorMarker {
484    type Proxy = SensorProxy;
485    type RequestStream = SensorRequestStream;
486    #[cfg(target_os = "fuchsia")]
487    type SynchronousProxy = SensorSynchronousProxy;
488
489    const DEBUG_NAME: &'static str = "fuchsia.lightsensor.Sensor";
490}
491impl fidl::endpoints::DiscoverableProtocolMarker for SensorMarker {}
492
493pub trait SensorProxyInterface: Send + Sync {
494    type WatchResponseFut: std::future::Future<Output = Result<LightSensorData, fidl::Error>> + Send;
495    fn r#watch(&self) -> Self::WatchResponseFut;
496}
497#[derive(Debug)]
498#[cfg(target_os = "fuchsia")]
499pub struct SensorSynchronousProxy {
500    client: fidl::client::sync::Client,
501}
502
503#[cfg(target_os = "fuchsia")]
504impl fidl::endpoints::SynchronousProxy for SensorSynchronousProxy {
505    type Proxy = SensorProxy;
506    type Protocol = SensorMarker;
507
508    fn from_channel(inner: fidl::Channel) -> Self {
509        Self::new(inner)
510    }
511
512    fn into_channel(self) -> fidl::Channel {
513        self.client.into_channel()
514    }
515
516    fn as_channel(&self) -> &fidl::Channel {
517        self.client.as_channel()
518    }
519}
520
521#[cfg(target_os = "fuchsia")]
522impl SensorSynchronousProxy {
523    pub fn new(channel: fidl::Channel) -> Self {
524        Self { client: fidl::client::sync::Client::new(channel) }
525    }
526
527    pub fn into_channel(self) -> fidl::Channel {
528        self.client.into_channel()
529    }
530
531    /// Waits until an event arrives and returns it. It is safe for other
532    /// threads to make concurrent requests while waiting for an event.
533    pub fn wait_for_event(
534        &self,
535        deadline: zx::MonotonicInstant,
536    ) -> Result<SensorEvent, fidl::Error> {
537        SensorEvent::decode(self.client.wait_for_event::<SensorMarker>(deadline)?)
538    }
539
540    /// Gets the current [LightSensorData]. Returns immediately on first call;
541    /// subsequent calls return when the value changes.
542    pub fn r#watch(
543        &self,
544        ___deadline: zx::MonotonicInstant,
545    ) -> Result<LightSensorData, fidl::Error> {
546        let _response = self
547            .client
548            .send_query::<fidl::encoding::EmptyPayload, SensorWatchResponse, SensorMarker>(
549                (),
550                0x3afa37aef7dc24ff,
551                fidl::encoding::DynamicFlags::empty(),
552                ___deadline,
553            )?;
554        Ok(_response.data)
555    }
556}
557
558#[cfg(target_os = "fuchsia")]
559impl From<SensorSynchronousProxy> for zx::NullableHandle {
560    fn from(value: SensorSynchronousProxy) -> Self {
561        value.into_channel().into()
562    }
563}
564
565#[cfg(target_os = "fuchsia")]
566impl From<fidl::Channel> for SensorSynchronousProxy {
567    fn from(value: fidl::Channel) -> Self {
568        Self::new(value)
569    }
570}
571
572#[cfg(target_os = "fuchsia")]
573impl fidl::endpoints::FromClient for SensorSynchronousProxy {
574    type Protocol = SensorMarker;
575
576    fn from_client(value: fidl::endpoints::ClientEnd<SensorMarker>) -> Self {
577        Self::new(value.into_channel())
578    }
579}
580
581#[derive(Debug, Clone)]
582pub struct SensorProxy {
583    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
584}
585
586impl fidl::endpoints::Proxy for SensorProxy {
587    type Protocol = SensorMarker;
588
589    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
590        Self::new(inner)
591    }
592
593    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
594        self.client.into_channel().map_err(|client| Self { client })
595    }
596
597    fn as_channel(&self) -> &::fidl::AsyncChannel {
598        self.client.as_channel()
599    }
600}
601
602impl SensorProxy {
603    /// Create a new Proxy for fuchsia.lightsensor/Sensor.
604    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
605        let protocol_name = <SensorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
606        Self { client: fidl::client::Client::new(channel, protocol_name) }
607    }
608
609    /// Get a Stream of events from the remote end of the protocol.
610    ///
611    /// # Panics
612    ///
613    /// Panics if the event stream was already taken.
614    pub fn take_event_stream(&self) -> SensorEventStream {
615        SensorEventStream { event_receiver: self.client.take_event_receiver() }
616    }
617
618    /// Gets the current [LightSensorData]. Returns immediately on first call;
619    /// subsequent calls return when the value changes.
620    pub fn r#watch(
621        &self,
622    ) -> fidl::client::QueryResponseFut<
623        LightSensorData,
624        fidl::encoding::DefaultFuchsiaResourceDialect,
625    > {
626        SensorProxyInterface::r#watch(self)
627    }
628}
629
630impl SensorProxyInterface for SensorProxy {
631    type WatchResponseFut = fidl::client::QueryResponseFut<
632        LightSensorData,
633        fidl::encoding::DefaultFuchsiaResourceDialect,
634    >;
635    fn r#watch(&self) -> Self::WatchResponseFut {
636        fn _decode(
637            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
638        ) -> Result<LightSensorData, fidl::Error> {
639            let _response = fidl::client::decode_transaction_body::<
640                SensorWatchResponse,
641                fidl::encoding::DefaultFuchsiaResourceDialect,
642                0x3afa37aef7dc24ff,
643            >(_buf?)?;
644            Ok(_response.data)
645        }
646        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, LightSensorData>(
647            (),
648            0x3afa37aef7dc24ff,
649            fidl::encoding::DynamicFlags::empty(),
650            _decode,
651        )
652    }
653}
654
655pub struct SensorEventStream {
656    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
657}
658
659impl std::marker::Unpin for SensorEventStream {}
660
661impl futures::stream::FusedStream for SensorEventStream {
662    fn is_terminated(&self) -> bool {
663        self.event_receiver.is_terminated()
664    }
665}
666
667impl futures::Stream for SensorEventStream {
668    type Item = Result<SensorEvent, fidl::Error>;
669
670    fn poll_next(
671        mut self: std::pin::Pin<&mut Self>,
672        cx: &mut std::task::Context<'_>,
673    ) -> std::task::Poll<Option<Self::Item>> {
674        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
675            &mut self.event_receiver,
676            cx
677        )?) {
678            Some(buf) => std::task::Poll::Ready(Some(SensorEvent::decode(buf))),
679            None => std::task::Poll::Ready(None),
680        }
681    }
682}
683
684#[derive(Debug)]
685pub enum SensorEvent {}
686
687impl SensorEvent {
688    /// Decodes a message buffer as a [`SensorEvent`].
689    fn decode(
690        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
691    ) -> Result<SensorEvent, fidl::Error> {
692        let (bytes, _handles) = buf.split_mut();
693        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
694        debug_assert_eq!(tx_header.tx_id, 0);
695        match tx_header.ordinal {
696            _ => Err(fidl::Error::UnknownOrdinal {
697                ordinal: tx_header.ordinal,
698                protocol_name: <SensorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
699            }),
700        }
701    }
702}
703
704/// A Stream of incoming requests for fuchsia.lightsensor/Sensor.
705pub struct SensorRequestStream {
706    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
707    is_terminated: bool,
708}
709
710impl std::marker::Unpin for SensorRequestStream {}
711
712impl futures::stream::FusedStream for SensorRequestStream {
713    fn is_terminated(&self) -> bool {
714        self.is_terminated
715    }
716}
717
718impl fidl::endpoints::RequestStream for SensorRequestStream {
719    type Protocol = SensorMarker;
720    type ControlHandle = SensorControlHandle;
721
722    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
723        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
724    }
725
726    fn control_handle(&self) -> Self::ControlHandle {
727        SensorControlHandle { inner: self.inner.clone() }
728    }
729
730    fn into_inner(
731        self,
732    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
733    {
734        (self.inner, self.is_terminated)
735    }
736
737    fn from_inner(
738        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
739        is_terminated: bool,
740    ) -> Self {
741        Self { inner, is_terminated }
742    }
743}
744
745impl futures::Stream for SensorRequestStream {
746    type Item = Result<SensorRequest, fidl::Error>;
747
748    fn poll_next(
749        mut self: std::pin::Pin<&mut Self>,
750        cx: &mut std::task::Context<'_>,
751    ) -> std::task::Poll<Option<Self::Item>> {
752        let this = &mut *self;
753        if this.inner.check_shutdown(cx) {
754            this.is_terminated = true;
755            return std::task::Poll::Ready(None);
756        }
757        if this.is_terminated {
758            panic!("polled SensorRequestStream after completion");
759        }
760        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
761            |bytes, handles| {
762                match this.inner.channel().read_etc(cx, bytes, handles) {
763                    std::task::Poll::Ready(Ok(())) => {}
764                    std::task::Poll::Pending => return std::task::Poll::Pending,
765                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
766                        this.is_terminated = true;
767                        return std::task::Poll::Ready(None);
768                    }
769                    std::task::Poll::Ready(Err(e)) => {
770                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
771                            e.into(),
772                        ))));
773                    }
774                }
775
776                // A message has been received from the channel
777                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
778
779                std::task::Poll::Ready(Some(match header.ordinal {
780                    0x3afa37aef7dc24ff => {
781                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
782                        let mut req = fidl::new_empty!(
783                            fidl::encoding::EmptyPayload,
784                            fidl::encoding::DefaultFuchsiaResourceDialect
785                        );
786                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
787                        let control_handle = SensorControlHandle { inner: this.inner.clone() };
788                        Ok(SensorRequest::Watch {
789                            responder: SensorWatchResponder {
790                                control_handle: std::mem::ManuallyDrop::new(control_handle),
791                                tx_id: header.tx_id,
792                            },
793                        })
794                    }
795                    _ => Err(fidl::Error::UnknownOrdinal {
796                        ordinal: header.ordinal,
797                        protocol_name:
798                            <SensorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
799                    }),
800                }))
801            },
802        )
803    }
804}
805
806/// `Sensor` will return calibrated readings from a product-configured light
807/// sensor.
808#[derive(Debug)]
809pub enum SensorRequest {
810    /// Gets the current [LightSensorData]. Returns immediately on first call;
811    /// subsequent calls return when the value changes.
812    Watch { responder: SensorWatchResponder },
813}
814
815impl SensorRequest {
816    #[allow(irrefutable_let_patterns)]
817    pub fn into_watch(self) -> Option<(SensorWatchResponder)> {
818        if let SensorRequest::Watch { responder } = self { Some((responder)) } else { None }
819    }
820
821    /// Name of the method defined in FIDL
822    pub fn method_name(&self) -> &'static str {
823        match *self {
824            SensorRequest::Watch { .. } => "watch",
825        }
826    }
827}
828
829#[derive(Debug, Clone)]
830pub struct SensorControlHandle {
831    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
832}
833
834impl SensorControlHandle {
835    pub fn shutdown_with_epitaph(&self, status: impl Into<fidl::Epitaph>) {
836        self.inner.shutdown_with_epitaph(status.into())
837    }
838}
839
840impl fidl::endpoints::ControlHandle for SensorControlHandle {
841    fn shutdown(&self) {
842        self.inner.shutdown()
843    }
844
845    fn shutdown_with_epitaph(&self, status: fidl::Epitaph) {
846        self.inner.shutdown_with_epitaph(status)
847    }
848
849    fn is_closed(&self) -> bool {
850        self.inner.channel().is_closed()
851    }
852    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
853        self.inner.channel().on_closed()
854    }
855
856    #[cfg(target_os = "fuchsia")]
857    fn signal_peer(
858        &self,
859        clear_mask: zx::Signals,
860        set_mask: zx::Signals,
861    ) -> Result<(), zx_status::Status> {
862        use fidl::Peered;
863        self.inner.channel().signal_peer(clear_mask, set_mask)
864    }
865}
866
867impl SensorControlHandle {}
868
869#[must_use = "FIDL methods require a response to be sent"]
870#[derive(Debug)]
871pub struct SensorWatchResponder {
872    control_handle: std::mem::ManuallyDrop<SensorControlHandle>,
873    tx_id: u32,
874}
875
876/// Set the the channel to be shutdown (see [`SensorControlHandle::shutdown`])
877/// if the responder is dropped without sending a response, so that the client
878/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
879impl std::ops::Drop for SensorWatchResponder {
880    fn drop(&mut self) {
881        self.control_handle.shutdown();
882        // Safety: drops once, never accessed again
883        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
884    }
885}
886
887impl fidl::endpoints::Responder for SensorWatchResponder {
888    type ControlHandle = SensorControlHandle;
889
890    fn control_handle(&self) -> &SensorControlHandle {
891        &self.control_handle
892    }
893
894    fn drop_without_shutdown(mut self) {
895        // Safety: drops once, never accessed again due to mem::forget
896        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
897        // Prevent Drop from running (which would shut down the channel)
898        std::mem::forget(self);
899    }
900}
901
902impl SensorWatchResponder {
903    /// Sends a response to the FIDL transaction.
904    ///
905    /// Sets the channel to shutdown if an error occurs.
906    pub fn send(self, mut data: &LightSensorData) -> Result<(), fidl::Error> {
907        let _result = self.send_raw(data);
908        if _result.is_err() {
909            self.control_handle.shutdown();
910        }
911        self.drop_without_shutdown();
912        _result
913    }
914
915    /// Similar to "send" but does not shutdown the channel if an error occurs.
916    pub fn send_no_shutdown_on_err(self, mut data: &LightSensorData) -> Result<(), fidl::Error> {
917        let _result = self.send_raw(data);
918        self.drop_without_shutdown();
919        _result
920    }
921
922    fn send_raw(&self, mut data: &LightSensorData) -> Result<(), fidl::Error> {
923        self.control_handle.inner.send::<SensorWatchResponse>(
924            (data,),
925            self.tx_id,
926            0x3afa37aef7dc24ff,
927            fidl::encoding::DynamicFlags::empty(),
928        )
929    }
930}
931
932mod internal {
933    use super::*;
934}
fidl_fuchsia_lightsensor/fidl_fuchsia_lightsensor.rs

fidl_fuchsia_lightsensor/
fidl_fuchsia_lightsensor.rs
