From 74604d51998046cd8faa13e7c7ba76eddac320b7 Mon Sep 17 00:00:00 2001
From: NikVolf <nikvolf@gmail.com>
Date: Tue, 14 Mar 2017 18:54:10 +0300
Subject: [PATCH] initial

---
 .gitignore |   2 +
 Cargo.toml |  10 ++++
 src/lib.rs | 151 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 163 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a9d37c5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+target
+Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..5a06ca1
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "parity-tokio-ipc"
+version = "0.1.0"
+authors = ["NikVolf <nikvolf@gmail.com>"]
+
+[dependencies]
+tokio-uds = "0.1"
+tokio-named-pipes = { git = "https://github.com/alexcrichton/tokio-named-pipes" }
+futures = "0.1"
+tokio-core = "0.1"
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..a87960d
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,151 @@
+extern crate futures;
+extern crate tokio_uds;
+extern crate tokio_named_pipes;
+#[macro_use] extern crate tokio_core;
+
+use std::io::{self, Read, Write};
+
+use futures::{Async, Poll};
+use futures::stream::Stream;
+use tokio_core::io::Io;
+use tokio_core::reactor::Handle;
+
+#[cfg(windows)]
+use tokio_named_pipes::NamedPipe;
+
+pub struct Endpoint {
+    path: String,
+    _handle: Handle,
+    #[cfg(not(windows))]
+    inner: tokio_uds::UnixListener,
+    #[cfg(windows)]
+    inner: NamedPipe,
+}
+
+impl Endpoint {
+    #[cfg(not(windows))]
+    pub fn incoming(self) -> Incoming {
+        Incoming { inner: self.inner.incoming() }
+    }
+    #[cfg(windows)]
+    pub fn incoming(self) -> Incoming {
+        Incoming { inner: NamedPipeSupport { path: self.path, handle: self._handle, pipe: self.inner } }
+    }
+
+    #[cfg(windows)]
+    fn inner(p: &str, handle: &Handle) -> io::Result<NamedPipe> {
+        NamedPipe::new(p, handle)
+    }
+
+    #[cfg(not(windows))]
+    fn inner(p: &str, handle: &Handle) -> io::Result<tokio_uds::UnixListener> {
+        tokio_uds::UnixListener::bind(p, handle)
+    }
+
+    pub fn new(path: String, handle: &Handle) -> io::Result<Self> {
+        Ok(Endpoint { 
+            inner: Self::inner(&path, handle)?,
+            path: path, 
+            _handle: handle.clone(),
+        })
+    }
+
+    pub fn path(&self) -> &str { &self.path }
+}
+
+pub struct RemoteId;
+
+#[cfg(windows)]
+struct NamedPipeSupport {
+    path: String,
+    handle: Handle,
+    pipe: NamedPipe,    
+}
+
+pub struct Incoming {
+    #[cfg(not(windows))]
+    inner: ::tokio_core::io::IoStream<(tokio_uds::UnixStream, std::os::unix::net::SocketAddr)>,
+    #[cfg(windows)]
+    inner: NamedPipeSupport,
+}
+
+impl Stream for Incoming {
+    type Item = (IpcStream, RemoteId);
+    type Error = io::Error;
+
+    #[cfg(not(windows))]
+    fn poll(&mut self) -> Poll<Option<Self::Item>, io::Error> {
+        self.inner.poll().map(|poll| match poll {
+            Async::Ready(Some(val)) => Async::Ready(Some((IpcStream { inner: val.0 }, RemoteId))),
+            Async::Ready(None) => Async::Ready(None),
+            Async::NotReady => Async::NotReady,
+        })
+    }    
+
+    #[cfg(windows)]
+    fn poll(&mut self) -> Poll<Option<Self::Item>, io::Error> {
+        match self.inner.pipe.connect() {
+            Ok(()) => Ok(Async::Ready(Some((
+                (
+                    IpcStream { 
+                        inner: ::std::mem::replace(
+                            &mut self.inner.pipe, 
+                            NamedPipe::new(&self.inner.path, &self.inner.handle)?,
+                        ) 
+                    }, 
+                    RemoteId,
+                )
+            )))),
+            Err(e) => {
+                if e.kind() == io::ErrorKind::WouldBlock {
+                    ::futures::task::park();
+                    Ok(Async::NotReady)
+                } else {
+                    Err(e)
+                }
+            },
+        }
+    }      
+}
+
+pub struct IpcStream {
+    #[cfg(windows)]
+    inner: tokio_named_pipes::NamedPipe,
+    #[cfg(not(windows))]
+    inner: tokio_uds::UnixStream,
+}
+
+impl Read for IpcStream {
+    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
+        self.inner.read(buf)
+    } 
+}
+
+impl Write for IpcStream {
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        self.inner.write(buf)
+    }
+    fn flush(&mut self) -> io::Result<()> {
+        self.inner.flush()
+    }
+}
+
+impl Io for IpcStream {
+    fn poll_read(&mut self) -> Async<()> {
+        self.inner.poll_read()
+    }
+
+    fn poll_write(&mut self) -> Async<()> {
+        self.inner.poll_write()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    #[test]
+    fn create() {
+
+    }
+
+}
\ No newline at end of file