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Code Issues Releases Wiki Activity

allow to check if Framed's write buffer is full

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This commit is contained in:
Nikolay Kim 2018-11-13 21:33:10 -08:00
parent f13a0925f7
commit 9a3321b153
2 changed files with 37 additions and 4 deletions
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12
src/codec/framed.rs
View File

@ -85,7 +85,12 @@ impl<T, U> Framed<T, U> {
pub fn from_parts(parts: FramedParts<T, U>) -> Framed<T, U> {
Framed {
inner: framed_read2_with_buffer(
framed_write2_with_buffer(Fuse(parts.io, parts.codec), parts.write_buf, parts.write_buf_lw, parts.write_buf_hw),
framed_write2_with_buffer(
Fuse(parts.io, parts.codec),
parts.write_buf,
parts.write_buf_lw,
parts.write_buf_hw,
),
parts.read_buf,
),
}
@ -121,6 +126,11 @@ impl<T, U> Framed<T, U> {
&mut self.inner.get_mut().get_mut().0
}
/// Check if write buffer is full.
pub fn is_full(&self) -> bool {
self.inner.get_ref().is_full()
}
/// Consumes the `Frame`, returning its underlying I/O stream.
///
/// Note that care should be taken to not tamper with the underlying stream

29
src/codec/framed_write.rs
View File

@ -72,6 +72,11 @@ impl<T, E> FramedWrite<T, E> {
pub fn encoder_mut(&mut self) -> &mut E {
&mut self.inner.inner.1
}
/// Check if write buffer is full
pub fn is_full(&self) -> bool {
self.inner.is_full()
}
}
impl<T, E> Sink for FramedWrite<T, E>
@ -123,7 +128,11 @@ where
// ===== impl FramedWrite2 =====
pub fn framed_write2<T>(inner: T, low_watermark: usize, high_watermark: usize) -> FramedWrite2<T> {
pub fn framed_write2<T>(
inner: T,
low_watermark: usize,
high_watermark: usize,
) -> FramedWrite2<T> {
FramedWrite2 {
inner,
low_watermark,
@ -132,7 +141,12 @@ pub fn framed_write2<T>(inner: T, low_watermark: usize, high_watermark: usize) -
}
}
pub fn framed_write2_with_buffer<T>(inner: T, mut buffer: BytesMut, low_watermark: usize, high_watermark: usize) -> FramedWrite2<T> {
pub fn framed_write2_with_buffer<T>(
inner: T,
mut buffer: BytesMut,
low_watermark: usize,
high_watermark: usize,
) -> FramedWrite2<T> {
if buffer.capacity() < high_watermark {
let bytes_to_reserve = high_watermark - buffer.capacity();
buffer.reserve(bytes_to_reserve);
@ -155,12 +169,21 @@ impl<T> FramedWrite2<T> {
}
pub fn into_parts(self) -> (T, BytesMut, usize, usize) {
(self.inner, self.buffer, self.low_watermark, self.high_watermark)
(
self.inner,
self.buffer,
self.low_watermark,
self.high_watermark,
)
}
pub fn get_mut(&mut self) -> &mut T {
&mut self.inner
}
pub fn is_full(&self) -> bool {
self.buffer.len() >= self.high_watermark
}
}
impl<T> Sink for FramedWrite2<T>