interprocess 2.2.2

Interprocess communication toolkit
Documentation 
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

use crate::{
	error::{FromHandleError, ReuniteError},
	local_socket::{
		traits::tokio::{self as traits, ReuniteResult},
		Name, NameInner,
	},
	os::windows::named_pipe::{
		pipe_mode::Bytes,
		tokio::{DuplexPipeStream, RecvPipeStream, SendPipeStream},
	},
	Sealed,
};
use std::{
	io,
	os::windows::prelude::*,
	pin::Pin,
	task::{Context, Poll},
};
use tokio::io::AsyncWrite;

type StreamImpl = DuplexPipeStream<Bytes>;
type RecvHalfImpl = RecvPipeStream<Bytes>;
type SendHalfImpl = SendPipeStream<Bytes>;

#[derive(Debug)]
pub struct Stream(pub(super) StreamImpl);
impl Sealed for Stream {}
impl traits::Stream for Stream {
	type RecvHalf = RecvHalf;
	type SendHalf = SendHalf;

	async fn connect(name: Name<'_>) -> io::Result<Self> {
		let NameInner::NamedPipe(path) = name.0;
		StreamImpl::connect_by_path(path).await.map(Self)
	}
	#[inline]
	fn split(self) -> (RecvHalf, SendHalf) {
		let (r, w) = self.0.split();
		(RecvHalf(r), SendHalf(w))
	}
	#[inline]
	fn reunite(rh: RecvHalf, sh: SendHalf) -> ReuniteResult<Self> {
		StreamImpl::reunite(rh.0, sh.0)
			.map(Self)
			.map_err(|ReuniteError { rh, sh }| ReuniteError {
				rh: RecvHalf(rh),
				sh: SendHalf(sh),
			})
	}
}

impl AsyncWrite for &Stream {
	#[inline]
	fn poll_write(
		self: Pin<&mut Self>,
		cx: &mut Context<'_>,
		buf: &[u8],
	) -> Poll<io::Result<usize>> {
		Pin::new(&mut &self.get_mut().0).poll_write(cx, buf)
	}
	#[inline]
	fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
		Poll::Ready(Ok(()))
	}
	#[inline]
	fn poll_shutdown(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
		Poll::Ready(Ok(()))
	}
}

impl TryFrom<OwnedHandle> for Stream {
	type Error = FromHandleError;

	fn try_from(handle: OwnedHandle) -> Result<Self, Self::Error> {
		match StreamImpl::try_from(handle) {
			Ok(s) => Ok(Self(s)),
			Err(e) => Err(FromHandleError {
				details: Default::default(),
				cause: Some(e.details.into()),
				source: e.source,
			}),
		}
	}
}

multimacro! {
	Stream,
	pinproj_for_unpin(StreamImpl),
	forward_rbv(StreamImpl, &),
	forward_tokio_read,
	forward_tokio_ref_read,
	forward_as_handle,
	derive_tokio_mut_write,
	derive_trivial_conv(StreamImpl),
}

pub struct RecvHalf(pub(super) RecvHalfImpl);
impl Sealed for RecvHalf {}
impl traits::RecvHalf for RecvHalf {
	type Stream = Stream;
}
multimacro! {
	RecvHalf,
	pinproj_for_unpin(RecvHalfImpl),
	forward_rbv(RecvHalfImpl, &),
	forward_tokio_read,
	forward_tokio_ref_read,
	forward_as_handle,
	forward_debug("local_socket::RecvHalf"),
	derive_trivial_conv(RecvHalfImpl),
}

pub struct SendHalf(pub(super) SendHalfImpl);
impl Sealed for SendHalf {}
impl traits::SendHalf for SendHalf {
	type Stream = Stream;
}

impl AsyncWrite for &SendHalf {
	#[inline]
	fn poll_write(
		self: Pin<&mut Self>,
		cx: &mut Context<'_>,
		buf: &[u8],
	) -> Poll<io::Result<usize>> {
		Pin::new(&mut &self.get_mut().0).poll_write(cx, buf)
	}
	#[inline]
	fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
		Poll::Ready(Ok(()))
	}
	#[inline]
	fn poll_shutdown(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
		Poll::Ready(Ok(()))
	}
}

multimacro! {
	SendHalf,
	forward_rbv(SendHalfImpl, &),
	forward_as_handle,
	forward_debug("local_socket::SendHalf"),
	derive_tokio_mut_write,
	derive_trivial_conv(SendHalfImpl),
}