mirror of
https://github.com/actix/actix-extras.git
synced 2024-11-24 16:02:59 +01:00
define generic client Connection trait
This commit is contained in:
Nikolay Kim
parent
acd42f92d8
commit
6d9733cdf7
@ -5,14 +5,23 @@ use tokio_io::{AsyncRead, AsyncWrite};
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use super::pool::Acquired;
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pub trait Connection: AsyncRead + AsyncWrite + 'static {
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/// Close connection
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fn close(&mut self);
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/// Release connection to the connection pool
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fn release(&mut self);
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}
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#[doc(hidden)]
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/// HTTP client connection
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pub struct Connection<T> {
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io: T,
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pub struct IoConnection<T> {
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io: Option<T>,
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created: time::Instant,
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pool: Option<Acquired<T>>,
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}
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impl<T> fmt::Debug for Connection<T>
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impl<T> fmt::Debug for IoConnection<T>
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where
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T: fmt::Debug,
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{
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@ -21,59 +30,73 @@ where
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}
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}
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impl<T: AsyncRead + AsyncWrite + 'static> Connection<T> {
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impl<T: AsyncRead + AsyncWrite + 'static> IoConnection<T> {
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pub(crate) fn new(io: T, created: time::Instant, pool: Acquired<T>) -> Self {
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Connection {
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io,
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IoConnection {
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created,
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io: Some(io),
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pool: Some(pool),
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}
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}
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/// Raw IO stream
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pub fn get_mut(&mut self) -> &mut T {
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&mut self.io
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self.io.as_mut().unwrap()
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}
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pub(crate) fn into_inner(self) -> (T, time::Instant) {
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(self.io.unwrap(), self.created)
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}
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}
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impl<T: AsyncRead + AsyncWrite + 'static> Connection for IoConnection<T> {
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/// Close connection
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pub fn close(mut self) {
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fn close(&mut self) {
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if let Some(mut pool) = self.pool.take() {
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pool.close(self)
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if let Some(io) = self.io.take() {
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pool.close(IoConnection {
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io: Some(io),
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created: self.created,
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pool: None,
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})
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}
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}
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}
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/// Release this connection to the connection pool
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pub fn release(mut self) {
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fn release(&mut self) {
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if let Some(mut pool) = self.pool.take() {
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pool.release(self)
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if let Some(io) = self.io.take() {
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pool.release(IoConnection {
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io: Some(io),
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created: self.created,
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pool: None,
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})
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}
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}
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}
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pub(crate) fn into_inner(self) -> (T, time::Instant) {
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(self.io, self.created)
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}
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}
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impl<T: AsyncRead + AsyncWrite + 'static> io::Read for Connection<T> {
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impl<T: AsyncRead + AsyncWrite + 'static> io::Read for IoConnection<T> {
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fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
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self.io.read(buf)
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self.io.as_mut().unwrap().read(buf)
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}
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}
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impl<T: AsyncRead + AsyncWrite + 'static> AsyncRead for Connection<T> {}
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impl<T: AsyncRead + AsyncWrite + 'static> AsyncRead for IoConnection<T> {}
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impl<T: AsyncRead + AsyncWrite + 'static> io::Write for Connection<T> {
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impl<T: AsyncRead + AsyncWrite + 'static> io::Write for IoConnection<T> {
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fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
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self.io.write(buf)
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self.io.as_mut().unwrap().write(buf)
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}
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fn flush(&mut self) -> io::Result<()> {
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self.io.flush()
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self.io.as_mut().unwrap().flush()
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}
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}
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impl<T: AsyncRead + AsyncWrite + 'static> AsyncWrite for Connection<T> {
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impl<T: AsyncRead + AsyncWrite + 'static> AsyncWrite for IoConnection<T> {
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fn shutdown(&mut self) -> Poll<(), io::Error> {
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self.io.shutdown()
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self.io.as_mut().unwrap().shutdown()
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}
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}
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@ -11,7 +11,7 @@ use tokio_io::{AsyncRead, AsyncWrite};
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use trust_dns_resolver::config::{ResolverConfig, ResolverOpts};
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use super::connect::Connect;
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use super::connection::Connection;
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use super::connection::{Connection, IoConnection};
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use super::error::ConnectorError;
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use super::pool::ConnectionPool;
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@ -130,7 +130,7 @@ impl Connector {
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self,
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) -> impl Service<
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Request = Connect,
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Response = Connection<impl AsyncRead + AsyncWrite + fmt::Debug>,
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Response = impl Connection,
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Error = ConnectorError,
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> + Clone {
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#[cfg(not(feature = "ssl"))]
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@ -234,11 +234,11 @@ mod connect_impl {
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T: Service<Request = Connect, Response = (Connect, Io), Error = ConnectorError>,
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{
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type Request = Connect;
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type Response = Connection<Io>;
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type Response = IoConnection<Io>;
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type Error = ConnectorError;
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type Future = Either<
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<ConnectionPool<T, Io> as Service>::Future,
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FutureResult<Connection<Io>, ConnectorError>,
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FutureResult<IoConnection<Io>, ConnectorError>,
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>;
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fn poll_ready(&mut self) -> Poll<(), Self::Error> {
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@ -324,7 +324,7 @@ mod connect_impl {
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>,
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{
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type Request = Connect;
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type Response = IoEither<Connection<Io1>, Connection<Io2>>;
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type Response = IoEither<IoConnection<Io1>, IoConnection<Io2>>;
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type Error = ConnectorError;
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type Future = Either<
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FutureResult<Self::Response, Self::Error>,
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@ -342,13 +342,13 @@ mod connect_impl {
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if let Err(e) = req.validate() {
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Either::A(err(e))
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} else if req.is_secure() {
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Either::B(Either::A(InnerConnectorResponseA {
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fut: self.tcp_pool.call(req),
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Either::B(Either::B(InnerConnectorResponseB {
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fut: self.ssl_pool.call(req),
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_t: PhantomData,
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}))
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} else {
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Either::B(Either::B(InnerConnectorResponseB {
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fut: self.ssl_pool.call(req),
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Either::B(Either::A(InnerConnectorResponseA {
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fut: self.tcp_pool.call(req),
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_t: PhantomData,
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}))
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}
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@ -370,7 +370,7 @@ mod connect_impl {
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Io1: AsyncRead + AsyncWrite + 'static,
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Io2: AsyncRead + AsyncWrite + 'static,
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{
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type Item = IoEither<Connection<Io1>, Connection<Io2>>;
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type Item = IoEither<IoConnection<Io1>, IoConnection<Io2>>;
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type Error = ConnectorError;
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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@ -396,7 +396,7 @@ mod connect_impl {
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Io1: AsyncRead + AsyncWrite + 'static,
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Io2: AsyncRead + AsyncWrite + 'static,
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{
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type Item = IoEither<Connection<Io1>, Connection<Io2>>;
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type Item = IoEither<IoConnection<Io1>, IoConnection<Io2>>;
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type Error = ConnectorError;
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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@ -413,10 +413,30 @@ pub(crate) enum IoEither<Io1, Io2> {
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B(Io2),
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}
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impl<Io1, Io2> Connection for IoEither<Io1, Io2>
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where
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Io1: Connection,
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Io2: Connection,
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{
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fn close(&mut self) {
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match self {
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IoEither::A(ref mut io) => io.close(),
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IoEither::B(ref mut io) => io.close(),
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}
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}
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fn release(&mut self) {
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match self {
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IoEither::A(ref mut io) => io.release(),
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IoEither::B(ref mut io) => io.release(),
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}
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}
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}
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impl<Io1, Io2> io::Read for IoEither<Io1, Io2>
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where
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Io1: io::Read,
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Io2: io::Read,
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Io1: Connection,
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Io2: Connection,
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{
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fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
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match self {
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@ -428,8 +448,8 @@ where
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impl<Io1, Io2> AsyncRead for IoEither<Io1, Io2>
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where
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Io1: AsyncRead,
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Io2: AsyncRead,
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Io1: Connection,
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Io2: Connection,
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{
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unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
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match self {
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@ -441,8 +461,8 @@ where
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impl<Io1, Io2> AsyncWrite for IoEither<Io1, Io2>
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where
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Io1: AsyncWrite,
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Io2: AsyncWrite,
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Io1: Connection,
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Io2: Connection,
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{
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fn shutdown(&mut self) -> Poll<(), io::Error> {
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match self {
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@ -468,8 +488,8 @@ where
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impl<Io1, Io2> io::Write for IoEither<Io1, Io2>
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where
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Io1: io::Write,
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Io2: io::Write,
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Io1: Connection,
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Io2: Connection,
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{
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fn flush(&mut self) -> io::Result<()> {
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match self {
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@ -15,27 +15,32 @@ use body::{BodyType, MessageBody, PayloadStream};
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use error::PayloadError;
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use h1;
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pub fn send_request<T, Io, B>(
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pub(crate) fn send_request<T, I, B>(
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head: RequestHead,
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body: B,
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connector: &mut T,
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) -> impl Future<Item = ClientResponse, Error = SendRequestError>
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where
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T: Service<Request = Connect, Response = Connection<Io>, Error = ConnectorError>,
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T: Service<Request = Connect, Response = I, Error = ConnectorError>,
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B: MessageBody,
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Io: AsyncRead + AsyncWrite + 'static,
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I: Connection,
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{
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let tp = body.tp();
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connector
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// connect to the host
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.call(Connect::new(head.uri.clone()))
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.from_err()
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// create Framed and send reqest
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.map(|io| Framed::new(io, h1::ClientCodec::default()))
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.and_then(|framed| framed.send((head, tp).into()).from_err())
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// send request body
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.and_then(move |framed| match body.tp() {
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BodyType::None | BodyType::Zero => Either::A(ok(framed)),
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_ => Either::B(SendBody::new(body, framed)),
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}).and_then(|framed| {
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})
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// read response and init read body
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.and_then(|framed| {
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framed
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.into_future()
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.map_err(|(e, _)| SendRequestError::from(e))
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@ -55,19 +60,20 @@ where
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})
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}
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struct SendBody<Io, B> {
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/// Future responsible for sending request body to the peer
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struct SendBody<I, B> {
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body: Option<B>,
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framed: Option<Framed<Connection<Io>, h1::ClientCodec>>,
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framed: Option<Framed<I, h1::ClientCodec>>,
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write_buf: VecDeque<h1::Message<(RequestHead, BodyType)>>,
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flushed: bool,
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}
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impl<Io, B> SendBody<Io, B>
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impl<I, B> SendBody<I, B>
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where
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Io: AsyncRead + AsyncWrite + 'static,
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I: AsyncRead + AsyncWrite + 'static,
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B: MessageBody,
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{
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fn new(body: B, framed: Framed<Connection<Io>, h1::ClientCodec>) -> Self {
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fn new(body: B, framed: Framed<I, h1::ClientCodec>) -> Self {
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SendBody {
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body: Some(body),
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framed: Some(framed),
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@ -77,12 +83,12 @@ where
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}
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}
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impl<Io, B> Future for SendBody<Io, B>
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impl<I, B> Future for SendBody<I, B>
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where
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Io: AsyncRead + AsyncWrite + 'static,
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I: Connection,
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B: MessageBody,
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{
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type Item = Framed<Connection<Io>, h1::ClientCodec>;
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type Item = Framed<I, h1::ClientCodec>;
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type Error = SendRequestError;
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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@ -135,7 +141,7 @@ impl Stream for EmptyPayload {
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}
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pub(crate) struct Payload<Io> {
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framed: Option<Framed<Connection<Io>, h1::ClientPayloadCodec>>,
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framed: Option<Framed<Io, h1::ClientPayloadCodec>>,
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}
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impl Payload<()> {
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@ -144,15 +150,15 @@ impl Payload<()> {
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}
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}
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impl<Io: AsyncRead + AsyncWrite + 'static> Payload<Io> {
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fn stream(framed: Framed<Connection<Io>, h1::ClientCodec>) -> PayloadStream {
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impl<Io: Connection> Payload<Io> {
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fn stream(framed: Framed<Io, h1::ClientCodec>) -> PayloadStream {
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Box::new(Payload {
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framed: Some(framed.map_codec(|codec| codec.into_payload_codec())),
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})
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}
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}
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impl<Io: AsyncRead + AsyncWrite + 'static> Stream for Payload<Io> {
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impl<Io: Connection> Stream for Payload<Io> {
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type Item = Bytes;
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type Error = PayloadError;
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@ -170,11 +176,11 @@ impl<Io: AsyncRead + AsyncWrite + 'static> Stream for Payload<Io> {
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}
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}
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fn release_connection<T, U>(framed: Framed<Connection<T>, U>)
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fn release_connection<T, U>(framed: Framed<T, U>)
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where
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T: AsyncRead + AsyncWrite + 'static,
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T: Connection,
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{
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let parts = framed.into_parts();
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let mut parts = framed.into_parts();
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if parts.read_buf.is_empty() && parts.write_buf.is_empty() {
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parts.io.release()
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} else {
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@ -17,7 +17,7 @@ use tokio_io::{AsyncRead, AsyncWrite};
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use tokio_timer::{sleep, Delay};
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use super::connect::Connect;
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use super::connection::Connection;
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use super::connection::IoConnection;
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use super::error::ConnectorError;
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#[derive(Hash, Eq, PartialEq, Clone, Debug)]
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@ -89,10 +89,10 @@ where
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T: Service<Request = Connect, Response = (Connect, Io), Error = ConnectorError>,
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{
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type Request = Connect;
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type Response = Connection<Io>;
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type Response = IoConnection<Io>;
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type Error = ConnectorError;
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type Future = Either<
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FutureResult<Connection<Io>, ConnectorError>,
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FutureResult<IoConnection<Io>, ConnectorError>,
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Either<WaitForConnection<Io>, OpenConnection<T::Future, Io>>,
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>;
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@ -107,7 +107,7 @@ where
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match self.1.as_ref().borrow_mut().acquire(&key) {
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Acquire::Acquired(io, created) => {
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// use existing connection
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Either::A(ok(Connection::new(
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Either::A(ok(IoConnection::new(
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io,
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created,
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Acquired(key, Some(self.1.clone())),
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@ -142,7 +142,7 @@ where
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{
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key: Key,
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token: usize,
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rx: oneshot::Receiver<Result<Connection<Io>, ConnectorError>>,
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rx: oneshot::Receiver<Result<IoConnection<Io>, ConnectorError>>,
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inner: Option<Rc<RefCell<Inner<Io>>>>,
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}
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@ -163,7 +163,7 @@ impl<Io> Future for WaitForConnection<Io>
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where
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Io: AsyncRead + AsyncWrite,
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{
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type Item = Connection<Io>;
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type Item = IoConnection<Io>;
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type Error = ConnectorError;
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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@ -226,7 +226,7 @@ where
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F: Future<Item = (Connect, Io), Error = ConnectorError>,
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Io: AsyncRead + AsyncWrite,
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{
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type Item = Connection<Io>;
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type Item = IoConnection<Io>;
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type Error = ConnectorError;
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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@ -234,7 +234,7 @@ where
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Err(err) => Err(err.into()),
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Ok(Async::Ready((_, io))) => {
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let _ = self.inner.take();
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Ok(Async::Ready(Connection::new(
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Ok(Async::Ready(IoConnection::new(
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io,
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Instant::now(),
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Acquired(self.key.clone(), self.inner.clone()),
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@ -251,7 +251,7 @@ where
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{
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fut: F,
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key: Key,
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rx: Option<oneshot::Sender<Result<Connection<Io>, ConnectorError>>>,
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rx: Option<oneshot::Sender<Result<IoConnection<Io>, ConnectorError>>>,
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inner: Option<Rc<RefCell<Inner<Io>>>>,
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}
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@ -262,7 +262,7 @@ where
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{
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fn spawn(
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key: Key,
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rx: oneshot::Sender<Result<Connection<Io>, ConnectorError>>,
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rx: oneshot::Sender<Result<IoConnection<Io>, ConnectorError>>,
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inner: Rc<RefCell<Inner<Io>>>,
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fut: F,
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) {
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@ -308,7 +308,7 @@ where
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Ok(Async::Ready((_, io))) => {
|
||||
let _ = self.inner.take();
|
||||
if let Some(rx) = self.rx.take() {
|
||||
let _ = rx.send(Ok(Connection::new(
|
||||
let _ = rx.send(Ok(IoConnection::new(
|
||||
io,
|
||||
Instant::now(),
|
||||
Acquired(self.key.clone(), self.inner.clone()),
|
||||
@ -336,7 +336,7 @@ pub(crate) struct Inner<Io> {
|
||||
available: HashMap<Key, VecDeque<AvailableConnection<Io>>>,
|
||||
waiters: Slab<(
|
||||
Connect,
|
||||
oneshot::Sender<Result<Connection<Io>, ConnectorError>>,
|
||||
oneshot::Sender<Result<IoConnection<Io>, ConnectorError>>,
|
||||
)>,
|
||||
waiters_queue: IndexSet<(Key, usize)>,
|
||||
task: AtomicTask,
|
||||
@ -378,7 +378,7 @@ where
|
||||
&mut self,
|
||||
connect: Connect,
|
||||
) -> (
|
||||
oneshot::Receiver<Result<Connection<Io>, ConnectorError>>,
|
||||
oneshot::Receiver<Result<IoConnection<Io>, ConnectorError>>,
|
||||
usize,
|
||||
) {
|
||||
let (tx, rx) = oneshot::channel();
|
||||
@ -479,7 +479,7 @@ where
|
||||
Acquire::NotAvailable => break,
|
||||
Acquire::Acquired(io, created) => {
|
||||
let (_, tx) = inner.waiters.remove(token);
|
||||
if let Err(conn) = tx.send(Ok(Connection::new(
|
||||
if let Err(conn) = tx.send(Ok(IoConnection::new(
|
||||
io,
|
||||
created,
|
||||
Acquired(key.clone(), Some(self.inner.clone())),
|
||||
@ -546,13 +546,13 @@ impl<T> Acquired<T>
|
||||
where
|
||||
T: AsyncRead + AsyncWrite + 'static,
|
||||
{
|
||||
pub(crate) fn close(&mut self, conn: Connection<T>) {
|
||||
pub(crate) fn close(&mut self, conn: IoConnection<T>) {
|
||||
if let Some(inner) = self.1.take() {
|
||||
let (io, _) = conn.into_inner();
|
||||
inner.as_ref().borrow_mut().release_close(io);
|
||||
}
|
||||
}
|
||||
pub(crate) fn release(&mut self, conn: Connection<T>) {
|
||||
pub(crate) fn release(&mut self, conn: IoConnection<T>) {
|
||||
if let Some(inner) = self.1.take() {
|
||||
let (io, created) = conn.into_inner();
|
||||
inner
|
||||
|
||||
@ -7,7 +7,6 @@ use bytes::{BufMut, Bytes, BytesMut};
|
||||
use cookie::{Cookie, CookieJar};
|
||||
use futures::{Future, Stream};
|
||||
use percent_encoding::{percent_encode, USERINFO_ENCODE_SET};
|
||||
use tokio_io::{AsyncRead, AsyncWrite};
|
||||
use urlcrate::Url;
|
||||
|
||||
use body::{MessageBody, MessageBodyStream};
|
||||
@ -176,13 +175,13 @@ where
|
||||
// Send request
|
||||
///
|
||||
/// This method returns a future that resolves to a ClientResponse
|
||||
pub fn send<T, Io>(
|
||||
pub fn send<T, I>(
|
||||
self,
|
||||
connector: &mut T,
|
||||
) -> impl Future<Item = ClientResponse, Error = SendRequestError>
|
||||
where
|
||||
T: Service<Request = Connect, Response = Connection<Io>, Error = ConnectorError>,
|
||||
Io: AsyncRead + AsyncWrite + 'static,
|
||||
T: Service<Request = Connect, Response = I, Error = ConnectorError>,
|
||||
I: Connection,
|
||||
{
|
||||
pipeline::send_request(self.head, self.body, connector)
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user