zng::task::ipc

Struct IpcReceiver

pub struct IpcReceiver<T> { /* private fields */ }
Expand description

Receiving end of a channel using serialized messages.

§Examples

§Blocking IO

let response = rx.recv().unwrap();
println!("Received data...");

§Non-blocking IO

loop {
    match rx.try_recv() {
        Ok(res) => {
            // Do something interesting with your result
            println!("Received data...");
            break;
        },
        Err(_) => {
            // Do something else useful while we wait
            println!("Still waiting...");
        }
    }
}

§Embedding Receivers

let (tx, rx) = ipc::channel().unwrap();
let (embedded_tx, embedded_rx) = ipc::channel().unwrap();
// Send the IpcReceiver
tx.send(embedded_rx).unwrap();
// Receive the sent IpcReceiver
let received_rx = rx.recv().unwrap();
// Receive any data sent to the received IpcReceiver
let rx_data = received_rx.recv().unwrap();

§Implementation details

Each IpcReceiver is backed by the OS specific implementations of OsIpcReceiver.

Implementations§

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impl<T> IpcReceiver<T>
where T: for<'de> Deserialize<'de> + Serialize,

pub fn recv(&self) -> Result<T, IpcError>

Blocking receive.

pub fn try_recv(&self) -> Result<T, TryRecvError>

Non-blocking receive

pub fn try_recv_timeout(&self, duration: Duration) -> Result<T, TryRecvError>

Blocks for up to the specified duration attempting to receive a message.

This may block for longer than the specified duration if the channel is busy. If your timeout exceeds the duration that your operating system can represent in milliseconds, this may block forever. At the time of writing, the smallest duration that may trigger this behavior is over 24 days.

pub fn to_opaque(self) -> OpaqueIpcReceiver

Erase the type of the channel.

Useful for adding routes to a RouterProxy.

Trait Implementations§

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impl<T> Debug for IpcReceiver<T>
where T: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<'de, T> Deserialize<'de> for IpcReceiver<T>

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fn deserialize<D>( deserializer: D, ) -> Result<IpcReceiver<T>, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<T> Serialize for IpcReceiver<T>

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fn serialize<S>( &self, serializer: S, ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

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impl<T> !Freeze for IpcReceiver<T>

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impl<T> !RefUnwindSafe for IpcReceiver<T>

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impl<T> Send for IpcReceiver<T>
where T: Send,

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impl<T> !Sync for IpcReceiver<T>

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impl<T> Unpin for IpcReceiver<T>
where T: Unpin,

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impl<T> UnwindSafe for IpcReceiver<T>
where T: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> IpcValue for T
where T: Debug + Serialize + for<'d> Deserialize<'d> + Send + 'static,

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impl<T> MaybeSendSync for T