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extern crate futures; | ||
extern crate reqwest; | ||
extern crate tokio_core; | ||
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use futures::Future; | ||
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fn main() { | ||
let mut core = tokio_core::reactor::Core::new().unwrap(); | ||
let client = reqwest::unstable::async::Client::new(&core.handle()).unwrap(); | ||
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let work = client.get("https://hyper.rs").unwrap().send().map(|res| { | ||
println!("{}", res.status()); | ||
}); | ||
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core.run(work).unwrap(); | ||
} |
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use std::fmt; | ||
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use futures::{Stream, Poll, Async}; | ||
use bytes::Bytes; | ||
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/// An asynchronous `Stream`. | ||
pub struct Body { | ||
inner: Inner, | ||
} | ||
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enum Inner { | ||
Reusable(Bytes), | ||
Hyper(::hyper::Body), | ||
} | ||
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impl Body { | ||
fn poll_inner(&mut self) -> &mut ::hyper::Body { | ||
match self.inner { | ||
Inner::Hyper(ref mut body) => body, | ||
Inner::Reusable(_) => unreachable!(), | ||
} | ||
} | ||
} | ||
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impl Stream for Body { | ||
type Item = Chunk; | ||
type Error = ::Error; | ||
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#[inline] | ||
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> { | ||
match try_!(self.poll_inner().poll()) { | ||
Async::Ready(opt) => Ok(Async::Ready(opt.map(|chunk| Chunk { | ||
inner: chunk, | ||
}))), | ||
Async::NotReady => Ok(Async::NotReady), | ||
} | ||
} | ||
} | ||
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/// A chunk of bytes for a `Body`. | ||
/// | ||
/// A `Chunk` can be treated like `&[u8]`. | ||
#[derive(Default)] | ||
pub struct Chunk { | ||
inner: ::hyper::Chunk, | ||
} | ||
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impl ::std::ops::Deref for Chunk { | ||
type Target = [u8]; | ||
#[inline] | ||
fn deref(&self) -> &Self::Target { | ||
self.inner.as_ref() | ||
} | ||
} | ||
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impl Extend<u8> for Chunk { | ||
fn extend<T>(&mut self, iter: T) | ||
where T: IntoIterator<Item=u8> { | ||
self.inner.extend(iter) | ||
} | ||
} | ||
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impl IntoIterator for Chunk { | ||
type Item = u8; | ||
//XXX: exposing type from hyper! | ||
type IntoIter = <::hyper::Chunk as IntoIterator>::IntoIter; | ||
fn into_iter(self) -> Self::IntoIter { | ||
self.inner.into_iter() | ||
} | ||
} | ||
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impl fmt::Debug for Body { | ||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
f.debug_struct("Body") | ||
.finish() | ||
} | ||
} | ||
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impl fmt::Debug for Chunk { | ||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
fmt::Debug::fmt(&self.inner, f) | ||
} | ||
} | ||
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// pub(crate) | ||
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#[inline] | ||
pub fn wrap(body: ::hyper::Body) -> Body { | ||
Body { | ||
inner: Inner::Hyper(body), | ||
} | ||
} | ||
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#[inline] | ||
pub fn take(body: &mut Body) -> Body { | ||
use std::mem; | ||
let inner = mem::replace(&mut body.inner, Inner::Hyper(::hyper::Body::empty())); | ||
Body { | ||
inner: inner, | ||
} | ||
} | ||
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#[inline] | ||
pub fn reusable(chunk: Bytes) -> Body { | ||
Body { | ||
inner: Inner::Reusable(chunk), | ||
} | ||
} | ||
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#[inline] | ||
pub fn into_hyper(body: Body) -> (Option<Bytes>, ::hyper::Body) { | ||
match body.inner { | ||
Inner::Reusable(chunk) => (Some(chunk.clone()), chunk.into()), | ||
Inner::Hyper(b) => (None, b), | ||
} | ||
} |
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