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Remove tokio-codec dependency from multistream-select. (#1203)

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* Remove tokio-codec dependency from multistream-select.

In preparation for the eventual switch from tokio to std futures.

Includes some initial refactoring in preparation for further work
in the context of https://github.com/libp2p/rust-libp2p/issues/659.

* Reduce default buffer sizes.

* Allow more than one frame to be buffered for sending.

* Doc tweaks.

* Remove superfluous (duplicated) Message types.
This commit is contained in:
Roman Borschel
2019-07-29 17:06:23 +02:00
committed by GitHub
parent bcc7c4d349
commit 2fd941122a
11 changed files with 383 additions and 401 deletions
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11
misc/multistream-select/src/lib.rs
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@ -21,7 +21,7 @@
//! # Multistream-select
//!
//! This crate implements the `multistream-select` protocol, which is the protocol used by libp2p
//! to negotiate which protocol to use with the remote.
//! to negotiate which protocol to use with the remote on a connection or substream.
//!
//! > **Note**: This crate is used by the internals of *libp2p*, and it is not required to
//! > understand it in order to use *libp2p*.
@ -76,6 +76,7 @@ mod protocol;
use futures::prelude::*;
use std::io;
use tokio_io::{AsyncRead, AsyncWrite};
pub use self::dialer_select::{dialer_select_proto, DialerSelectFuture};
pub use self::error::ProtocolChoiceError;
@ -93,9 +94,9 @@ where
}
}
impl<TInner> tokio_io::AsyncRead for Negotiated<TInner>
impl<TInner> AsyncRead for Negotiated<TInner>
where
TInner: tokio_io::AsyncRead
TInner: AsyncRead
{
unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
self.0.prepare_uninitialized_buffer(buf)
@ -119,9 +120,9 @@ where
}
}
impl<TInner> tokio_io::AsyncWrite for Negotiated<TInner>
impl<TInner> AsyncWrite for Negotiated<TInner>
where
TInner: tokio_io::AsyncWrite
TInner: AsyncWrite
{
fn shutdown(&mut self) -> Poll<(), io::Error> {
self.0.shutdown()