Struct UdpFramed
pub struct UdpFramed<C, T = UdpSocket> { /* private fields */ }
Expand description
A unified Stream
and Sink
interface to an underlying UdpSocket
, using
the Encoder
and Decoder
traits to encode and decode frames.
Raw UDP sockets work with datagrams, but higher-level code usually wants to
batch these into meaningful chunks, called “frames”. This method layers
framing on top of this socket by using the Encoder
and Decoder
traits to
handle encoding and decoding of messages frames. Note that the incoming and
outgoing frame types may be distinct.
This function returns a single object that is both Stream
and Sink
;
grouping this into a single object is often useful for layering things which
require both read and write access to the underlying object.
If you want to work more directly with the streams and sink, consider
calling split
on the UdpFramed
returned by this method, which will break
them into separate objects, allowing them to interact more easily.
Implementations§
§impl<C, T> UdpFramed<C, T>where
T: Borrow<UdpSocket>,
impl<C, T> UdpFramed<C, T>where
T: Borrow<UdpSocket>,
pub fn new(socket: T, codec: C) -> UdpFramed<C, T>
pub fn new(socket: T, codec: C) -> UdpFramed<C, T>
Create a new UdpFramed
backed by the given socket and codec.
See struct level documentation for more details.
pub fn get_ref(&self) -> &T
pub fn get_ref(&self) -> &T
Returns a reference to the underlying I/O stream wrapped by Framed
.
§Note
Care should be taken to not tamper with the underlying stream of data coming in as it may corrupt the stream of frames otherwise being worked with.
pub fn get_mut(&mut self) -> &mut T
pub fn get_mut(&mut self) -> &mut T
Returns a mutable reference to the underlying I/O stream wrapped by Framed
.
§Note
Care should be taken to not tamper with the underlying stream of data coming in as it may corrupt the stream of frames otherwise being worked with.
pub fn codec(&self) -> &C
pub fn codec(&self) -> &C
Returns a reference to the underlying codec wrapped by
Framed
.
Note that care should be taken to not tamper with the underlying codec as it may corrupt the stream of frames otherwise being worked with.
pub fn codec_mut(&mut self) -> &mut C
pub fn codec_mut(&mut self) -> &mut C
Returns a mutable reference to the underlying codec wrapped by
UdpFramed
.
Note that care should be taken to not tamper with the underlying codec as it may corrupt the stream of frames otherwise being worked with.
pub fn read_buffer(&self) -> &BytesMut
pub fn read_buffer(&self) -> &BytesMut
Returns a reference to the read buffer.
pub fn read_buffer_mut(&mut self) -> &mut BytesMut
pub fn read_buffer_mut(&mut self) -> &mut BytesMut
Returns a mutable reference to the read buffer.
pub fn into_inner(self) -> T
pub fn into_inner(self) -> T
Consumes the Framed
, returning its underlying I/O stream.
Trait Implementations§
§impl<I, C, T> Sink<(I, SocketAddr)> for UdpFramed<C, T>
impl<I, C, T> Sink<(I, SocketAddr)> for UdpFramed<C, T>
§fn poll_ready(
self: Pin<&mut UdpFramed<C, T>>,
cx: &mut Context<'_>,
) -> Poll<Result<(), <UdpFramed<C, T> as Sink<(I, SocketAddr)>>::Error>>
fn poll_ready( self: Pin<&mut UdpFramed<C, T>>, cx: &mut Context<'_>, ) -> Poll<Result<(), <UdpFramed<C, T> as Sink<(I, SocketAddr)>>::Error>>
Sink
to receive a value. Read more§fn start_send(
self: Pin<&mut UdpFramed<C, T>>,
item: (I, SocketAddr),
) -> Result<(), <UdpFramed<C, T> as Sink<(I, SocketAddr)>>::Error>
fn start_send( self: Pin<&mut UdpFramed<C, T>>, item: (I, SocketAddr), ) -> Result<(), <UdpFramed<C, T> as Sink<(I, SocketAddr)>>::Error>
poll_ready
which returned Poll::Ready(Ok(()))
. Read more§impl<C, T> Stream for UdpFramed<C, T>
impl<C, T> Stream for UdpFramed<C, T>
§type Item = Result<(<C as Decoder>::Item, SocketAddr), <C as Decoder>::Error>
type Item = Result<(<C as Decoder>::Item, SocketAddr), <C as Decoder>::Error>
§fn poll_next(
self: Pin<&mut UdpFramed<C, T>>,
cx: &mut Context<'_>,
) -> Poll<Option<<UdpFramed<C, T> as Stream>::Item>>
fn poll_next( self: Pin<&mut UdpFramed<C, T>>, cx: &mut Context<'_>, ) -> Poll<Option<<UdpFramed<C, T> as Stream>::Item>>
None
if the stream is exhausted. Read moreimpl<C, T> Unpin for UdpFramed<C, T>
Auto Trait Implementations§
impl<C, T> Freeze for UdpFramed<C, T>
impl<C, T> RefUnwindSafe for UdpFramed<C, T>where
T: RefUnwindSafe,
C: RefUnwindSafe,
impl<C, T> Send for UdpFramed<C, T>
impl<C, T> Sync for UdpFramed<C, T>
impl<C, T> UnwindSafe for UdpFramed<C, T>where
T: UnwindSafe,
C: UnwindSafe,
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§fn try_collect<C>(self) -> TryCollect<Self, C> ⓘ
fn try_collect<C>(self) -> TryCollect<Self, C> ⓘ
§fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
§fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
§fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
§fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
§fn try_flatten_unordered(
self,
limit: impl Into<Option<usize>>,
) -> TryFlattenUnordered<Self>
fn try_flatten_unordered( self, limit: impl Into<Option<usize>>, ) -> TryFlattenUnordered<Self>
§fn try_flatten(self) -> TryFlatten<Self>
fn try_flatten(self) -> TryFlatten<Self>
§fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F> ⓘ
fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F> ⓘ
§fn try_concat(self) -> TryConcat<Self> ⓘ
fn try_concat(self) -> TryConcat<Self> ⓘ
§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
§fn try_buffered(self, n: usize) -> TryBuffered<Self>
fn try_buffered(self, n: usize) -> TryBuffered<Self>
§fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
TryStream::try_poll_next
on Unpin
stream types.§fn into_async_read(self) -> IntoAsyncRead<Self>
fn into_async_read(self) -> IntoAsyncRead<Self>
AsyncBufRead
. Read more§fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F> ⓘ
fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F> ⓘ
Err
is encountered or if an Ok
item is found
that does not satisfy the predicate. Read more