1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use {
    bitflags::bitflags,
    fidl::{
        client::QueryResponseFut,
        endpoints::{ControlHandle as _, Responder as _},
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

#[cfg(target_os = "fuchsia")]
use fuchsia_zircon as zx;

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct CrasherPingResponse {
    pub pong: u64,
}

impl fidl::Persistable for CrasherPingResponse {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct CrasherMarker;

impl fidl::endpoints::ProtocolMarker for CrasherMarker {
    type Proxy = CrasherProxy;
    type RequestStream = CrasherRequestStream;

    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = CrasherSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Crasher";
}

pub trait CrasherProxyInterface: Send + Sync {
    type PingResponseFut: std::future::Future<Output = Result<u64, fidl::Error>> + Send;
    fn r#ping(&self) -> Self::PingResponseFut;
    fn r#crash(&self) -> Result<(), fidl::Error>;
}

#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct CrasherSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for CrasherSynchronousProxy {
    type Proxy = CrasherProxy;
    type Protocol = CrasherMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl CrasherSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <CrasherMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(&self, deadline: zx::Time) -> Result<CrasherEvent, fidl::Error> {
        CrasherEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Returns a number that is unique per instance of the driver.
    pub fn r#ping(&self, ___deadline: zx::Time) -> Result<u64, fidl::Error> {
        let _response =
            self.client.send_query::<fidl::encoding::EmptyPayload, CrasherPingResponse>(
                (),
                0x63e0c4d973e4b1f9,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.pong)
    }

    /// One way call that will assert false and kill the host process.
    pub fn r#crash(&self) -> Result<(), fidl::Error> {
        self.client.send::<fidl::encoding::EmptyPayload>(
            (),
            0x15290e84d9b74bd2,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Clone)]
pub struct CrasherProxy {
    client: fidl::client::Client,
}

impl fidl::endpoints::Proxy for CrasherProxy {
    type Protocol = CrasherMarker;

    fn from_channel(inner: fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl CrasherProxy {
    /// Create a new Proxy for fuchsia.crashdriver.test/Crasher.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <CrasherMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> CrasherEventStream {
        CrasherEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Returns a number that is unique per instance of the driver.
    pub fn r#ping(&self) -> fidl::client::QueryResponseFut<u64> {
        CrasherProxyInterface::r#ping(self)
    }

    /// One way call that will assert false and kill the host process.
    pub fn r#crash(&self) -> Result<(), fidl::Error> {
        CrasherProxyInterface::r#crash(self)
    }
}

impl CrasherProxyInterface for CrasherProxy {
    type PingResponseFut = fidl::client::QueryResponseFut<u64>;
    fn r#ping(&self) -> Self::PingResponseFut {
        fn _decode(mut _buf: Result<fidl::MessageBufEtc, fidl::Error>) -> Result<u64, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                CrasherPingResponse,
                0x63e0c4d973e4b1f9,
            >(_buf?)?;
            Ok(_response.pong)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, u64>(
            (),
            0x63e0c4d973e4b1f9,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    fn r#crash(&self) -> Result<(), fidl::Error> {
        self.client.send::<fidl::encoding::EmptyPayload>(
            (),
            0x15290e84d9b74bd2,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct CrasherEventStream {
    event_receiver: fidl::client::EventReceiver,
}

impl std::marker::Unpin for CrasherEventStream {}

impl futures::stream::FusedStream for CrasherEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for CrasherEventStream {
    type Item = Result<CrasherEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(CrasherEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum CrasherEvent {}

impl CrasherEvent {
    /// Decodes a message buffer as a [`CrasherEvent`].
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<CrasherEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <CrasherMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.crashdriver.test/Crasher.
pub struct CrasherRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

impl std::marker::Unpin for CrasherRequestStream {}

impl futures::stream::FusedStream for CrasherRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for CrasherRequestStream {
    type Protocol = CrasherMarker;
    type ControlHandle = CrasherControlHandle;

    fn from_channel(channel: fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        CrasherControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(self) -> (::std::sync::Arc<fidl::ServeInner>, bool) {
        (self.inner, self.is_terminated)
    }

    fn from_inner(inner: std::sync::Arc<fidl::ServeInner>, is_terminated: bool) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for CrasherRequestStream {
    type Item = Result<CrasherRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled CrasherRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|bytes, handles| {
            match this.inner.channel().read_etc(cx, bytes, handles) {
                std::task::Poll::Ready(Ok(())) => {}
                std::task::Poll::Pending => return std::task::Poll::Pending,
                std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                    this.is_terminated = true;
                    return std::task::Poll::Ready(None);
                }
                std::task::Poll::Ready(Err(e)) => {
                    return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                }
            }

            // A message has been received from the channel
            let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

            std::task::Poll::Ready(Some(match header.ordinal {
                0x63e0c4d973e4b1f9 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload);
                    fidl::encoding::Decoder::decode_into::<fidl::encoding::EmptyPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = CrasherControlHandle { inner: this.inner.clone() };
                    Ok(CrasherRequest::Ping {
                        responder: CrasherPingResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                0x15290e84d9b74bd2 => {
                    header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload);
                    fidl::encoding::Decoder::decode_into::<fidl::encoding::EmptyPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = CrasherControlHandle { inner: this.inner.clone() };
                    Ok(CrasherRequest::Crash { control_handle })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <CrasherMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

#[derive(Debug)]
pub enum CrasherRequest {
    /// Returns a number that is unique per instance of the driver.
    Ping { responder: CrasherPingResponder },
    /// One way call that will assert false and kill the host process.
    Crash { control_handle: CrasherControlHandle },
}

impl CrasherRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_ping(self) -> Option<(CrasherPingResponder)> {
        if let CrasherRequest::Ping { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_crash(self) -> Option<(CrasherControlHandle)> {
        if let CrasherRequest::Crash { control_handle } = self {
            Some((control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            CrasherRequest::Ping { .. } => "ping",
            CrasherRequest::Crash { .. } => "crash",
        }
    }
}

#[derive(Debug, Clone)]
pub struct CrasherControlHandle {
    inner: std::sync::Arc<fidl::ServeInner>,
}

impl fidl::endpoints::ControlHandle for CrasherControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }

    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }
}

impl CrasherControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct CrasherPingResponder {
    control_handle: std::mem::ManuallyDrop<CrasherControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`CrasherControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for CrasherPingResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for CrasherPingResponder {
    type ControlHandle = CrasherControlHandle;

    fn control_handle(&self) -> &CrasherControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl CrasherPingResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut pong: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(pong);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut pong: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(pong);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut pong: u64) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<CrasherPingResponse>(
            (pong,),
            self.tx_id,
            0x63e0c4d973e4b1f9,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct DeviceMarker;

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceMarker for DeviceMarker {
    type Proxy = DeviceProxy;
    type Request = DeviceRequest;
    const SERVICE_NAME: &'static str = "fuchsia.crashdriver.test.Device";
}

/// A request for one of the member protocols of Device.
///
#[cfg(target_os = "fuchsia")]
pub enum DeviceRequest {
    Crasher(CrasherRequestStream),
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceRequest for DeviceRequest {
    type Service = DeviceMarker;

    fn dispatch(name: &str, _channel: fidl::AsyncChannel) -> Self {
        match name {
            "crasher" => Self::Crasher(
                <CrasherRequestStream as fidl::endpoints::RequestStream>::from_channel(_channel),
            ),
            _ => panic!("no such member protocol name for service Device"),
        }
    }

    fn member_names() -> &'static [&'static str] {
        &["crasher"]
    }
}
#[cfg(target_os = "fuchsia")]
pub struct DeviceProxy(Box<dyn fidl::endpoints::MemberOpener>);

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceProxy for DeviceProxy {
    type Service = DeviceMarker;

    fn from_member_opener(opener: Box<dyn fidl::endpoints::MemberOpener>) -> Self {
        Self(opener)
    }
}

#[cfg(target_os = "fuchsia")]
impl DeviceProxy {
    pub fn connect_to_crasher(&self) -> Result<CrasherProxy, fidl::Error> {
        let (proxy, server_end) = fidl::endpoints::create_proxy::<CrasherMarker>()?;
        self.connect_channel_to_crasher(server_end)?;
        Ok(proxy)
    }

    /// Like `connect_to_crasher`, but accepts a server end.
    pub fn connect_channel_to_crasher(
        &self,
        server_end: fidl::endpoints::ServerEnd<CrasherMarker>,
    ) -> Result<(), fidl::Error> {
        self.0.open_member("crasher", server_end.into_channel())
    }
}

mod internal {
    use super::*;

    unsafe impl fidl::encoding::TypeMarker for CrasherPingResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            8
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for CrasherPingResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<CrasherPingResponse> for &CrasherPingResponse {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CrasherPingResponse>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut CrasherPingResponse)
                    .write_unaligned((self as *const CrasherPingResponse).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<u64>> fidl::encoding::Encode<CrasherPingResponse> for (T0,) {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CrasherPingResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for CrasherPingResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { pong: fidl::new_empty!(u64) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 8);
            }
            Ok(())
        }
    }
}