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| </pre><pre class="rust"><code><span class="doccomment">//! Server implementation and builder. |
| |
| </span><span class="kw">mod </span>conn; |
| <span class="kw">mod </span>incoming; |
| <span class="kw">mod </span>recover_error; |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| #[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"tls"</span>)))] |
| </span><span class="kw">mod </span>tls; |
| |
| <span class="kw">pub use </span>conn::{Connected, TcpConnectInfo}; |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">pub use </span>tls::ServerTlsConfig; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">pub use </span>conn::TlsConnectInfo; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">use </span><span class="kw">super</span>::service::TlsAcceptor; |
| |
| <span class="kw">use </span>incoming::TcpIncoming; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>tokio_rustls::server::TlsStream; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::transport::Error; |
| |
| <span class="kw">use </span><span class="self">self</span>::recover_error::RecoverError; |
| <span class="kw">use </span><span class="kw">super</span>::service::{GrpcTimeout, Or, Routes, ServerIo}; |
| <span class="kw">use </span><span class="kw">crate</span>::body::BoxBody; |
| <span class="kw">use </span>bytes::Bytes; |
| <span class="kw">use </span>futures_core::Stream; |
| <span class="kw">use </span>futures_util::{ |
| future::{<span class="self">self</span>, MapErr}, |
| ready, TryFutureExt, |
| }; |
| <span class="kw">use </span>http::{Request, Response}; |
| <span class="kw">use </span>http_body::Body <span class="kw">as _</span>; |
| <span class="kw">use </span>hyper::{server::accept, Body}; |
| <span class="kw">use </span>pin_project::pin_project; |
| <span class="kw">use </span>std::{ |
| fmt, |
| future::Future, |
| marker::PhantomData, |
| net::SocketAddr, |
| pin::Pin, |
| sync::Arc, |
| task::{Context, Poll}, |
| time::Duration, |
| }; |
| <span class="kw">use </span>tokio::io::{AsyncRead, AsyncWrite}; |
| <span class="kw">use </span>tower::{ |
| layer::util::Identity, layer::Layer, limit::concurrency::ConcurrencyLimitLayer, util::Either, |
| Service, ServiceBuilder, |
| }; |
| |
| <span class="kw">type </span>BoxHttpBody = http_body::combinators::UnsyncBoxBody<Bytes, <span class="kw">crate</span>::Error>; |
| <span class="kw">type </span>BoxService = tower::util::BoxService<Request<Body>, Response<BoxHttpBody>, <span class="kw">crate</span>::Error>; |
| <span class="kw">type </span>TraceInterceptor = Arc<<span class="kw">dyn </span>Fn(<span class="kw-2">&</span>http::Request<()>) -> tracing::Span + Send + Sync + <span class="lifetime">'static</span>>; |
| |
| <span class="kw">const </span>DEFAULT_HTTP2_KEEPALIVE_TIMEOUT_SECS: u64 = <span class="number">20</span>; |
| |
| <span class="doccomment">/// A default batteries included `transport` server. |
| /// |
| /// This is a wrapper around [`hyper::Server`] and provides an easy builder |
| /// pattern style builder [`Server`]. This builder exposes easy configuration parameters |
| /// for providing a fully featured http2 based gRPC server. This should provide |
| /// a very good out of the box http2 server for use with tonic but is also a |
| /// reference implementation that should be a good starting point for anyone |
| /// wanting to create a more complex and/or specific implementation. |
| </span><span class="attribute">#[derive(Default, Clone)] |
| </span><span class="kw">pub struct </span>Server<L = Identity> { |
| trace_interceptor: <span class="prelude-ty">Option</span><TraceInterceptor>, |
| concurrency_limit: <span class="prelude-ty">Option</span><usize>, |
| timeout: <span class="prelude-ty">Option</span><Duration>, |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span>tls: <span class="prelude-ty">Option</span><TlsAcceptor>, |
| init_stream_window_size: <span class="prelude-ty">Option</span><u32>, |
| init_connection_window_size: <span class="prelude-ty">Option</span><u32>, |
| max_concurrent_streams: <span class="prelude-ty">Option</span><u32>, |
| tcp_keepalive: <span class="prelude-ty">Option</span><Duration>, |
| tcp_nodelay: bool, |
| http2_keepalive_interval: <span class="prelude-ty">Option</span><Duration>, |
| http2_keepalive_timeout: <span class="prelude-ty">Option</span><Duration>, |
| max_frame_size: <span class="prelude-ty">Option</span><u32>, |
| accept_http1: bool, |
| layer: L, |
| } |
| |
| <span class="doccomment">/// A stack based `Service` router. |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub struct </span>Router<A, B, L = Identity> { |
| server: Server<L>, |
| routes: Routes<A, B, Request<Body>>, |
| } |
| |
| <span class="doccomment">/// A service that is produced from a Tonic `Router`. |
| /// |
| /// This service implementation will route between multiple Tonic |
| /// gRPC endpoints and can be consumed with the rest of the `tower` |
| /// ecosystem. |
| </span><span class="attribute">#[derive(Debug, Clone)] |
| </span><span class="kw">pub struct </span>RouterService<S> { |
| inner: S, |
| } |
| |
| <span class="kw">impl</span><S> Service<Request<Body>> <span class="kw">for </span>RouterService<S> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| { |
| <span class="kw">type </span>Response = Response<BoxBody>; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::Error; |
| |
| <span class="attribute">#[allow(clippy::type_complexity)] |
| </span><span class="kw">type </span>Future = MapErr<S::Future, <span class="kw">fn</span>(S::Error) -> <span class="kw">crate</span>::Error>; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>poll_ready(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error>> { |
| Poll::Ready(<span class="prelude-val">Ok</span>(())) |
| } |
| |
| <span class="kw">fn </span>call(<span class="kw-2">&mut </span><span class="self">self</span>, req: Request<Body>) -> <span class="self">Self</span>::Future { |
| <span class="self">self</span>.inner.call(req).map_err(Into::into) |
| } |
| } |
| |
| <span class="doccomment">/// A trait to provide a static reference to the service's |
| /// name. This is used for routing service's within the router. |
| </span><span class="kw">pub trait </span>NamedService { |
| <span class="doccomment">/// The `Service-Name` as described [here]. |
| /// |
| /// [here]: https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests |
| </span><span class="kw">const </span>NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str; |
| } |
| |
| <span class="kw">impl</span><S: NamedService, T> NamedService <span class="kw">for </span>Either<S, T> { |
| <span class="kw">const </span>NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str = S::NAME; |
| } |
| |
| <span class="kw">impl </span>Server { |
| <span class="doccomment">/// Create a new server builder that can configure a [`Server`]. |
| </span><span class="kw">pub fn </span>builder() -> <span class="self">Self </span>{ |
| Server { |
| tcp_nodelay: <span class="bool-val">true</span>, |
| accept_http1: <span class="bool-val">false</span>, |
| ..Default::default() |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><L> Server<L> { |
| <span class="doccomment">/// Configure TLS for this server. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| #[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"tls"</span>)))] |
| </span><span class="kw">pub fn </span>tls_config(<span class="self">self</span>, tls_config: ServerTlsConfig) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> { |
| <span class="prelude-val">Ok</span>(Server { |
| tls: <span class="prelude-val">Some</span>(tls_config.tls_acceptor().map_err(Error::from_source)<span class="question-mark">?</span>), |
| ..<span class="self">self |
| </span>}) |
| } |
| |
| <span class="doccomment">/// Set the concurrency limit applied to on requests inbound per connection. |
| /// |
| /// # Example |
| /// |
| /// ``` |
| /// # use tonic::transport::Server; |
| /// # use tower_service::Service; |
| /// # let builder = Server::builder(); |
| /// builder.concurrency_limit_per_connection(32); |
| /// ``` |
| </span><span class="kw">pub fn </span>concurrency_limit_per_connection(<span class="self">self</span>, limit: usize) -> <span class="self">Self </span>{ |
| Server { |
| concurrency_limit: <span class="prelude-val">Some</span>(limit), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Set a timeout on for all request handlers. |
| /// |
| /// # Example |
| /// |
| /// ``` |
| /// # use tonic::transport::Server; |
| /// # use tower_service::Service; |
| /// # use std::time::Duration; |
| /// # let mut builder = Server::builder(); |
| /// builder.timeout(Duration::from_secs(30)); |
| /// ``` |
| </span><span class="kw">pub fn </span>timeout(<span class="kw-2">&mut </span><span class="self">self</span>, timeout: Duration) -> <span class="kw-2">&mut </span><span class="self">Self </span>{ |
| <span class="self">self</span>.timeout = <span class="prelude-val">Some</span>(timeout); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Sets the [`SETTINGS_INITIAL_WINDOW_SIZE`][spec] option for HTTP2 |
| /// stream-level flow control. |
| /// |
| /// Default is 65,535 |
| /// |
| /// [spec]: https://http2.github.io/http2-spec/#SETTINGS_INITIAL_WINDOW_SIZE |
| </span><span class="kw">pub fn </span>initial_stream_window_size(<span class="self">self</span>, sz: <span class="kw">impl </span>Into<<span class="prelude-ty">Option</span><u32>>) -> <span class="self">Self </span>{ |
| Server { |
| init_stream_window_size: sz.into(), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Sets the max connection-level flow control for HTTP2 |
| /// |
| /// Default is 65,535 |
| </span><span class="kw">pub fn </span>initial_connection_window_size(<span class="self">self</span>, sz: <span class="kw">impl </span>Into<<span class="prelude-ty">Option</span><u32>>) -> <span class="self">Self </span>{ |
| Server { |
| init_connection_window_size: sz.into(), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Sets the [`SETTINGS_MAX_CONCURRENT_STREAMS`][spec] option for HTTP2 |
| /// connections. |
| /// |
| /// Default is no limit (`None`). |
| /// |
| /// [spec]: https://http2.github.io/http2-spec/#SETTINGS_MAX_CONCURRENT_STREAMS |
| </span><span class="kw">pub fn </span>max_concurrent_streams(<span class="self">self</span>, max: <span class="kw">impl </span>Into<<span class="prelude-ty">Option</span><u32>>) -> <span class="self">Self </span>{ |
| Server { |
| max_concurrent_streams: max.into(), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Set whether HTTP2 Ping frames are enabled on accepted connections. |
| /// |
| /// If `None` is specified, HTTP2 keepalive is disabled, otherwise the duration |
| /// specified will be the time interval between HTTP2 Ping frames. |
| /// The timeout for receiving an acknowledgement of the keepalive ping |
| /// can be set with [`Server::http2_keepalive_timeout`]. |
| /// |
| /// Default is no HTTP2 keepalive (`None`) |
| /// |
| </span><span class="kw">pub fn </span>http2_keepalive_interval(<span class="self">self</span>, http2_keepalive_interval: <span class="prelude-ty">Option</span><Duration>) -> <span class="self">Self </span>{ |
| Server { |
| http2_keepalive_interval, |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Sets a timeout for receiving an acknowledgement of the keepalive ping. |
| /// |
| /// If the ping is not acknowledged within the timeout, the connection will be closed. |
| /// Does nothing if http2_keep_alive_interval is disabled. |
| /// |
| /// Default is 20 seconds. |
| /// |
| </span><span class="kw">pub fn </span>http2_keepalive_timeout(<span class="self">self</span>, http2_keepalive_timeout: <span class="prelude-ty">Option</span><Duration>) -> <span class="self">Self </span>{ |
| Server { |
| http2_keepalive_timeout, |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Set whether TCP keepalive messages are enabled on accepted connections. |
| /// |
| /// If `None` is specified, keepalive is disabled, otherwise the duration |
| /// specified will be the time to remain idle before sending TCP keepalive |
| /// probes. |
| /// |
| /// Default is no keepalive (`None`) |
| /// |
| </span><span class="kw">pub fn </span>tcp_keepalive(<span class="self">self</span>, tcp_keepalive: <span class="prelude-ty">Option</span><Duration>) -> <span class="self">Self </span>{ |
| Server { |
| tcp_keepalive, |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Set the value of `TCP_NODELAY` option for accepted connections. Enabled by default. |
| </span><span class="kw">pub fn </span>tcp_nodelay(<span class="self">self</span>, enabled: bool) -> <span class="self">Self </span>{ |
| Server { |
| tcp_nodelay: enabled, |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Sets the maximum frame size to use for HTTP2. |
| /// |
| /// Passing `None` will do nothing. |
| /// |
| /// If not set, will default from underlying transport. |
| </span><span class="kw">pub fn </span>max_frame_size(<span class="self">self</span>, frame_size: <span class="kw">impl </span>Into<<span class="prelude-ty">Option</span><u32>>) -> <span class="self">Self </span>{ |
| Server { |
| max_frame_size: frame_size.into(), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Allow this server to accept http1 requests. |
| /// |
| /// Accepting http1 requests is only useful when developing `grpc-web` |
| /// enabled services. If this setting is set to `true` but services are |
| /// not correctly configured to handle grpc-web requests, your server may |
| /// return confusing (but correct) protocol errors. |
| /// |
| /// Default is `false`. |
| </span><span class="kw">pub fn </span>accept_http1(<span class="self">self</span>, accept_http1: bool) -> <span class="self">Self </span>{ |
| Server { |
| accept_http1, |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Intercept inbound headers and add a [`tracing::Span`] to each response future. |
| </span><span class="kw">pub fn </span>trace_fn<F>(<span class="self">self</span>, f: F) -> <span class="self">Self |
| </span><span class="kw">where |
| </span>F: Fn(<span class="kw-2">&</span>http::Request<()>) -> tracing::Span + Send + Sync + <span class="lifetime">'static</span>, |
| { |
| Server { |
| trace_interceptor: <span class="prelude-val">Some</span>(Arc::new(f)), |
| ..<span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Create a router with the `S` typed service as the first service. |
| /// |
| /// This will clone the `Server` builder and create a router that will |
| /// route around different services. |
| </span><span class="kw">pub fn </span>add_service<S>(<span class="kw-2">&mut </span><span class="self">self</span>, svc: S) -> Router<S, Unimplemented, L> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> |
| + NamedService |
| + Clone |
| + Send |
| + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| L: Clone, |
| { |
| Router::new(<span class="self">self</span>.clone(), svc) |
| } |
| |
| <span class="doccomment">/// Create a router with the optional `S` typed service as the first service. |
| /// |
| /// This will clone the `Server` builder and create a router that will |
| /// route around different services. |
| /// |
| /// # Note |
| /// Even when the argument given is `None` this will capture *all* requests to this service name. |
| /// As a result, one cannot use this to toggle between two identically named implementations. |
| </span><span class="kw">pub fn </span>add_optional_service<S>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| svc: <span class="prelude-ty">Option</span><S>, |
| ) -> Router<Either<S, Unimplemented>, Unimplemented, L> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> |
| + NamedService |
| + Clone |
| + Send |
| + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| L: Clone, |
| { |
| <span class="kw">let </span>svc = <span class="kw">match </span>svc { |
| <span class="prelude-val">Some</span>(some) => Either::A(some), |
| <span class="prelude-val">None </span>=> Either::B(Unimplemented::default()), |
| }; |
| Router::new(<span class="self">self</span>.clone(), svc) |
| } |
| |
| <span class="doccomment">/// Set the [Tower] [`Layer`] all services will be wrapped in. |
| /// |
| /// This enables using middleware from the [Tower ecosystem][eco]. |
| /// |
| /// # Example |
| /// |
| /// ``` |
| /// # use tonic::transport::Server; |
| /// # use tower_service::Service; |
| /// use tower::timeout::TimeoutLayer; |
| /// use std::time::Duration; |
| /// |
| /// # let mut builder = Server::builder(); |
| /// builder.layer(TimeoutLayer::new(Duration::from_secs(30))); |
| /// ``` |
| /// |
| /// Note that timeouts should be set using [`Server::timeout`]. `TimeoutLayer` is only used |
| /// here as an example. |
| /// |
| /// You can build more complex layers using [`ServiceBuilder`]. Those layers can include |
| /// [interceptors]: |
| /// |
| /// ``` |
| /// # use tonic::transport::Server; |
| /// # use tower_service::Service; |
| /// use tower::ServiceBuilder; |
| /// use std::time::Duration; |
| /// use tonic::{Request, Status, service::interceptor}; |
| /// |
| /// fn auth_interceptor(request: Request<()>) -> Result<Request<()>, Status> { |
| /// if valid_credentials(&request) { |
| /// Ok(request) |
| /// } else { |
| /// Err(Status::unauthenticated("invalid credentials")) |
| /// } |
| /// } |
| /// |
| /// fn valid_credentials(request: &Request<()>) -> bool { |
| /// // ... |
| /// # true |
| /// } |
| /// |
| /// fn some_other_interceptor(request: Request<()>) -> Result<Request<()>, Status> { |
| /// Ok(request) |
| /// } |
| /// |
| /// let layer = ServiceBuilder::new() |
| /// .load_shed() |
| /// .timeout(Duration::from_secs(30)) |
| /// .layer(interceptor(auth_interceptor)) |
| /// .layer(interceptor(some_other_interceptor)) |
| /// .into_inner(); |
| /// |
| /// Server::builder().layer(layer); |
| /// ``` |
| /// |
| /// [Tower]: https://github.com/tower-rs/tower |
| /// [`Layer`]: tower::layer::Layer |
| /// [eco]: https://github.com/tower-rs |
| /// [`ServiceBuilder`]: tower::ServiceBuilder |
| /// [interceptors]: crate::service::Interceptor |
| </span><span class="kw">pub fn </span>layer<NewLayer>(<span class="self">self</span>, new_layer: NewLayer) -> Server<NewLayer> { |
| Server { |
| layer: new_layer, |
| trace_interceptor: <span class="self">self</span>.trace_interceptor, |
| concurrency_limit: <span class="self">self</span>.concurrency_limit, |
| timeout: <span class="self">self</span>.timeout, |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span>tls: <span class="self">self</span>.tls, |
| init_stream_window_size: <span class="self">self</span>.init_stream_window_size, |
| init_connection_window_size: <span class="self">self</span>.init_connection_window_size, |
| max_concurrent_streams: <span class="self">self</span>.max_concurrent_streams, |
| tcp_keepalive: <span class="self">self</span>.tcp_keepalive, |
| tcp_nodelay: <span class="self">self</span>.tcp_nodelay, |
| http2_keepalive_interval: <span class="self">self</span>.http2_keepalive_interval, |
| http2_keepalive_timeout: <span class="self">self</span>.http2_keepalive_timeout, |
| max_frame_size: <span class="self">self</span>.max_frame_size, |
| accept_http1: <span class="self">self</span>.accept_http1, |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">async fn </span>serve_with_shutdown<S, I, F, IO, IE, ResBody>( |
| <span class="self">self</span>, |
| svc: S, |
| incoming: I, |
| signal: <span class="prelude-ty">Option</span><F>, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="kw">super</span>::Error> |
| <span class="kw">where |
| </span>L: Layer<S>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<S>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<S>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| I: Stream<Item = <span class="prelude-ty">Result</span><IO, IE>>, |
| IO: AsyncRead + AsyncWrite + Connected + Unpin + Send + <span class="lifetime">'static</span>, |
| IO::ConnectInfo: Clone + Send + Sync + <span class="lifetime">'static</span>, |
| IE: Into<<span class="kw">crate</span>::Error>, |
| F: Future<Output = ()>, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">let </span>trace_interceptor = <span class="self">self</span>.trace_interceptor.clone(); |
| <span class="kw">let </span>concurrency_limit = <span class="self">self</span>.concurrency_limit; |
| <span class="kw">let </span>init_connection_window_size = <span class="self">self</span>.init_connection_window_size; |
| <span class="kw">let </span>init_stream_window_size = <span class="self">self</span>.init_stream_window_size; |
| <span class="kw">let </span>max_concurrent_streams = <span class="self">self</span>.max_concurrent_streams; |
| <span class="kw">let </span>timeout = <span class="self">self</span>.timeout; |
| <span class="kw">let </span>max_frame_size = <span class="self">self</span>.max_frame_size; |
| <span class="kw">let </span>http2_only = !<span class="self">self</span>.accept_http1; |
| |
| <span class="kw">let </span>http2_keepalive_interval = <span class="self">self</span>.http2_keepalive_interval; |
| <span class="kw">let </span>http2_keepalive_timeout = <span class="self">self |
| </span>.http2_keepalive_timeout |
| .unwrap_or_else(|| Duration::new(DEFAULT_HTTP2_KEEPALIVE_TIMEOUT_SECS, <span class="number">0</span>)); |
| |
| <span class="kw">let </span>svc = <span class="self">self</span>.layer.layer(svc); |
| |
| <span class="kw">let </span>tcp = incoming::tcp_incoming(incoming, <span class="self">self</span>); |
| <span class="kw">let </span>incoming = accept::from_stream::<<span class="kw">_</span>, <span class="kw">_</span>, <span class="kw">crate</span>::Error>(tcp); |
| |
| <span class="kw">let </span>svc = MakeSvc { |
| inner: svc, |
| concurrency_limit, |
| timeout, |
| trace_interceptor, |
| _io: PhantomData, |
| }; |
| |
| <span class="kw">let </span>server = hyper::Server::builder(incoming) |
| .http2_only(http2_only) |
| .http2_initial_connection_window_size(init_connection_window_size) |
| .http2_initial_stream_window_size(init_stream_window_size) |
| .http2_max_concurrent_streams(max_concurrent_streams) |
| .http2_keep_alive_interval(http2_keepalive_interval) |
| .http2_keep_alive_timeout(http2_keepalive_timeout) |
| .http2_max_frame_size(max_frame_size); |
| |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(signal) = signal { |
| server |
| .serve(svc) |
| .with_graceful_shutdown(signal) |
| .<span class="kw">await |
| </span>.map_err(<span class="kw">super</span>::Error::from_source)<span class="question-mark">? |
| </span>} <span class="kw">else </span>{ |
| server.serve(svc).<span class="kw">await</span>.map_err(<span class="kw">super</span>::Error::from_source)<span class="question-mark">?</span>; |
| } |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="kw">impl</span><S, L> Router<S, Unimplemented, L> { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(server: Server<L>, svc: S) -> <span class="self">Self |
| </span><span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> |
| + NamedService |
| + Clone |
| + Send |
| + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| { |
| <span class="kw">let </span>svc_name = <S <span class="kw">as </span>NamedService>::NAME; |
| <span class="kw">let </span>svc_route = <span class="macro">format!</span>(<span class="string">"/{}"</span>, svc_name); |
| <span class="kw">let </span>pred = <span class="kw">move </span>|req: <span class="kw-2">&</span>Request<Body>| { |
| <span class="kw">let </span>path = req.uri().path(); |
| |
| path.starts_with(<span class="kw-2">&</span>svc_route) |
| }; |
| <span class="self">Self </span>{ |
| server, |
| routes: Routes::new(pred, svc, Unimplemented::default()), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><A, B, L> Router<A, B, L> |
| <span class="kw">where |
| </span>A: Service<Request<Body>, Response = Response<BoxBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| A::Future: Send + <span class="lifetime">'static</span>, |
| A::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| B: Service<Request<Body>, Response = Response<BoxBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| B::Future: Send + <span class="lifetime">'static</span>, |
| B::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| { |
| <span class="doccomment">/// Add a new service to this router. |
| </span><span class="kw">pub fn </span>add_service<S>(<span class="self">self</span>, svc: S) -> Router<S, Or<A, B, Request<Body>>, L> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> |
| + NamedService |
| + Clone |
| + Send |
| + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| { |
| <span class="kw">let </span><span class="self">Self </span>{ routes, server } = <span class="self">self</span>; |
| |
| <span class="kw">let </span>svc_name = <S <span class="kw">as </span>NamedService>::NAME; |
| <span class="kw">let </span>svc_route = <span class="macro">format!</span>(<span class="string">"/{}"</span>, svc_name); |
| <span class="kw">let </span>pred = <span class="kw">move </span>|req: <span class="kw-2">&</span>Request<Body>| { |
| <span class="kw">let </span>path = req.uri().path(); |
| |
| path.starts_with(<span class="kw-2">&</span>svc_route) |
| }; |
| <span class="kw">let </span>routes = routes.push(pred, svc); |
| |
| Router { server, routes } |
| } |
| |
| <span class="doccomment">/// Add a new optional service to this router. |
| /// |
| /// # Note |
| /// Even when the argument given is `None` this will capture *all* requests to this service name. |
| /// As a result, one cannot use this to toggle between two identically named implementations. |
| </span><span class="attribute">#[allow(clippy::type_complexity)] |
| </span><span class="kw">pub fn </span>add_optional_service<S>( |
| <span class="self">self</span>, |
| svc: <span class="prelude-ty">Option</span><S>, |
| ) -> Router<Either<S, Unimplemented>, Or<A, B, Request<Body>>, L> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<BoxBody>> |
| + NamedService |
| + Clone |
| + Send |
| + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| { |
| <span class="kw">let </span><span class="self">Self </span>{ routes, server } = <span class="self">self</span>; |
| |
| <span class="kw">let </span>svc_name = <S <span class="kw">as </span>NamedService>::NAME; |
| <span class="kw">let </span>svc_route = <span class="macro">format!</span>(<span class="string">"/{}"</span>, svc_name); |
| <span class="kw">let </span>pred = <span class="kw">move </span>|req: <span class="kw-2">&</span>Request<Body>| { |
| <span class="kw">let </span>path = req.uri().path(); |
| |
| path.starts_with(<span class="kw-2">&</span>svc_route) |
| }; |
| <span class="kw">let </span>svc = <span class="kw">match </span>svc { |
| <span class="prelude-val">Some</span>(some) => Either::A(some), |
| <span class="prelude-val">None </span>=> Either::B(Unimplemented::default()), |
| }; |
| <span class="kw">let </span>routes = routes.push(pred, svc); |
| |
| Router { server, routes } |
| } |
| |
| <span class="doccomment">/// Consume this [`Server`] creating a future that will execute the server |
| /// on [tokio]'s default executor. |
| /// |
| /// [`Server`]: struct.Server.html |
| /// [tokio]: https://docs.rs/tokio |
| </span><span class="kw">pub async fn </span>serve<ResBody>(<span class="self">self</span>, addr: SocketAddr) -> <span class="prelude-ty">Result</span><(), <span class="kw">super</span>::Error> |
| <span class="kw">where |
| </span>L: Layer<Routes<A, B, Request<Body>>>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: |
| Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: |
| Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">let </span>incoming = TcpIncoming::new(addr, <span class="self">self</span>.server.tcp_nodelay, <span class="self">self</span>.server.tcp_keepalive) |
| .map_err(<span class="kw">super</span>::Error::from_source)<span class="question-mark">?</span>; |
| <span class="self">self</span>.server |
| .serve_with_shutdown::<<span class="kw">_</span>, <span class="kw">_</span>, future::Ready<()>, <span class="kw">_</span>, <span class="kw">_</span>, ResBody>( |
| <span class="self">self</span>.routes, |
| incoming, |
| <span class="prelude-val">None</span>, |
| ) |
| .<span class="kw">await |
| </span>} |
| |
| <span class="doccomment">/// Consume this [`Server`] creating a future that will execute the server |
| /// on [tokio]'s default executor. And shutdown when the provided signal |
| /// is received. |
| /// |
| /// [`Server`]: struct.Server.html |
| /// [tokio]: https://docs.rs/tokio |
| </span><span class="kw">pub async fn </span>serve_with_shutdown<F: Future<Output = ()>, ResBody>( |
| <span class="self">self</span>, |
| addr: SocketAddr, |
| signal: F, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="kw">super</span>::Error> |
| <span class="kw">where |
| </span>L: Layer<Routes<A, B, Request<Body>>>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: |
| Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: |
| Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">let </span>incoming = TcpIncoming::new(addr, <span class="self">self</span>.server.tcp_nodelay, <span class="self">self</span>.server.tcp_keepalive) |
| .map_err(<span class="kw">super</span>::Error::from_source)<span class="question-mark">?</span>; |
| <span class="self">self</span>.server |
| .serve_with_shutdown(<span class="self">self</span>.routes, incoming, <span class="prelude-val">Some</span>(signal)) |
| .<span class="kw">await |
| </span>} |
| |
| <span class="doccomment">/// Consume this [`Server`] creating a future that will execute the server on |
| /// the provided incoming stream of `AsyncRead + AsyncWrite`. |
| /// |
| /// [`Server`]: struct.Server.html |
| </span><span class="kw">pub async fn </span>serve_with_incoming<I, IO, IE, ResBody>( |
| <span class="self">self</span>, |
| incoming: I, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="kw">super</span>::Error> |
| <span class="kw">where |
| </span>I: Stream<Item = <span class="prelude-ty">Result</span><IO, IE>>, |
| IO: AsyncRead + AsyncWrite + Connected + Unpin + Send + <span class="lifetime">'static</span>, |
| IO::ConnectInfo: Clone + Send + Sync + <span class="lifetime">'static</span>, |
| IE: Into<<span class="kw">crate</span>::Error>, |
| L: Layer<Routes<A, B, Request<Body>>>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: |
| Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: |
| Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="self">self</span>.server |
| .serve_with_shutdown::<<span class="kw">_</span>, <span class="kw">_</span>, future::Ready<()>, <span class="kw">_</span>, <span class="kw">_</span>, ResBody>( |
| <span class="self">self</span>.routes, |
| incoming, |
| <span class="prelude-val">None</span>, |
| ) |
| .<span class="kw">await |
| </span>} |
| |
| <span class="doccomment">/// Consume this [`Server`] creating a future that will execute the server on |
| /// the provided incoming stream of `AsyncRead + AsyncWrite`. Similar to |
| /// `serve_with_shutdown` this method will also take a signal future to |
| /// gracefully shutdown the server. |
| /// |
| /// [`Server`]: struct.Server.html |
| </span><span class="kw">pub async fn </span>serve_with_incoming_shutdown<I, IO, IE, F, ResBody>( |
| <span class="self">self</span>, |
| incoming: I, |
| signal: F, |
| ) -> <span class="prelude-ty">Result</span><(), <span class="kw">super</span>::Error> |
| <span class="kw">where |
| </span>I: Stream<Item = <span class="prelude-ty">Result</span><IO, IE>>, |
| IO: AsyncRead + AsyncWrite + Connected + Unpin + Send + <span class="lifetime">'static</span>, |
| IO::ConnectInfo: Clone + Send + Sync + <span class="lifetime">'static</span>, |
| IE: Into<<span class="kw">crate</span>::Error>, |
| F: Future<Output = ()>, |
| L: Layer<Routes<A, B, Request<Body>>>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: |
| Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: |
| Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="self">self</span>.server |
| .serve_with_shutdown(<span class="self">self</span>.routes, incoming, <span class="prelude-val">Some</span>(signal)) |
| .<span class="kw">await |
| </span>} |
| |
| <span class="doccomment">/// Create a tower service out of a router. |
| </span><span class="kw">pub fn </span>into_service<ResBody>(<span class="self">self</span>) -> RouterService<L::Service> |
| <span class="kw">where |
| </span>L: Layer<Routes<A, B, Request<Body>>>, |
| L::Service: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Future: |
| Send + <span class="lifetime">'static</span>, |
| <<L <span class="kw">as </span>Layer<Routes<A, B, Request<Body>>>>::Service <span class="kw">as </span>Service<Request<Body>>>::Error: |
| Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">let </span>inner = <span class="self">self</span>.server.layer.layer(<span class="self">self</span>.routes); |
| RouterService { inner } |
| } |
| } |
| |
| <span class="kw">impl</span><L> fmt::Debug <span class="kw">for </span>Server<L> { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| f.debug_struct(<span class="string">"Builder"</span>).finish() |
| } |
| } |
| |
| <span class="kw">struct </span>Svc<S> { |
| inner: S, |
| trace_interceptor: <span class="prelude-ty">Option</span><TraceInterceptor>, |
| } |
| |
| <span class="kw">impl</span><S, ResBody> Service<Request<Body>> <span class="kw">for </span>Svc<S> |
| <span class="kw">where |
| </span>S: Service<Request<Body>, Response = Response<ResBody>>, |
| S::Error: Into<<span class="kw">crate</span>::Error>, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">type </span>Response = Response<BoxHttpBody>; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::Error; |
| <span class="kw">type </span>Future = SvcFuture<S::Future>; |
| |
| <span class="kw">fn </span>poll_ready(<span class="kw-2">&mut </span><span class="self">self</span>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error>> { |
| <span class="self">self</span>.inner.poll_ready(cx).map_err(Into::into) |
| } |
| |
| <span class="kw">fn </span>call(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw-2">mut </span>req: Request<Body>) -> <span class="self">Self</span>::Future { |
| <span class="kw">let </span>span = <span class="kw">if let </span><span class="prelude-val">Some</span>(trace_interceptor) = <span class="kw-2">&</span><span class="self">self</span>.trace_interceptor { |
| <span class="kw">let </span>(parts, body) = req.into_parts(); |
| <span class="kw">let </span>bodyless_request = Request::from_parts(parts, ()); |
| |
| <span class="kw">let </span>span = trace_interceptor(<span class="kw-2">&</span>bodyless_request); |
| |
| <span class="kw">let </span>(parts, <span class="kw">_</span>) = bodyless_request.into_parts(); |
| req = Request::from_parts(parts, body); |
| |
| span |
| } <span class="kw">else </span>{ |
| tracing::Span::none() |
| }; |
| |
| SvcFuture { |
| inner: <span class="self">self</span>.inner.call(req), |
| span, |
| } |
| } |
| } |
| |
| <span class="attribute">#[pin_project] |
| </span><span class="kw">struct </span>SvcFuture<F> { |
| <span class="attribute">#[pin] |
| </span>inner: F, |
| span: tracing::Span, |
| } |
| |
| <span class="kw">impl</span><F, E, ResBody> Future <span class="kw">for </span>SvcFuture<F> |
| <span class="kw">where |
| </span>F: Future<Output = <span class="prelude-ty">Result</span><Response<ResBody>, E>>, |
| E: Into<<span class="kw">crate</span>::Error>, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">type </span>Output = <span class="prelude-ty">Result</span><Response<BoxHttpBody>, <span class="kw">crate</span>::Error>; |
| |
| <span class="kw">fn </span>poll(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="self">Self</span>::Output> { |
| <span class="kw">let </span>this = <span class="self">self</span>.project(); |
| <span class="kw">let </span>_guard = this.span.enter(); |
| |
| <span class="kw">let </span>response: Response<ResBody> = <span class="macro">ready!</span>(this.inner.poll(cx)).map_err(Into::into)<span class="question-mark">?</span>; |
| <span class="kw">let </span>response = response.map(|body| body.map_err(Into::into).boxed_unsync()); |
| Poll::Ready(<span class="prelude-val">Ok</span>(response)) |
| } |
| } |
| |
| <span class="kw">impl</span><S> fmt::Debug <span class="kw">for </span>Svc<S> { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| f.debug_struct(<span class="string">"Svc"</span>).finish() |
| } |
| } |
| |
| <span class="kw">struct </span>MakeSvc<S, IO> { |
| concurrency_limit: <span class="prelude-ty">Option</span><usize>, |
| timeout: <span class="prelude-ty">Option</span><Duration>, |
| inner: S, |
| trace_interceptor: <span class="prelude-ty">Option</span><TraceInterceptor>, |
| _io: PhantomData<<span class="kw">fn</span>() -> IO>, |
| } |
| |
| <span class="kw">impl</span><S, ResBody, IO> Service<<span class="kw-2">&</span>ServerIo<IO>> <span class="kw">for </span>MakeSvc<S, IO> |
| <span class="kw">where |
| </span>IO: Connected, |
| S: Service<Request<Body>, Response = Response<ResBody>> + Clone + Send + <span class="lifetime">'static</span>, |
| S::Future: Send + <span class="lifetime">'static</span>, |
| S::Error: Into<<span class="kw">crate</span>::Error> + Send, |
| ResBody: http_body::Body<Data = Bytes> + Send + <span class="lifetime">'static</span>, |
| ResBody::Error: Into<<span class="kw">crate</span>::Error>, |
| { |
| <span class="kw">type </span>Response = BoxService; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::Error; |
| <span class="kw">type </span>Future = future::Ready<<span class="prelude-ty">Result</span><<span class="self">Self</span>::Response, <span class="self">Self</span>::Error>>; |
| |
| <span class="kw">fn </span>poll_ready(<span class="kw-2">&mut </span><span class="self">self</span>, _cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error>> { |
| <span class="prelude-val">Ok</span>(()).into() |
| } |
| |
| <span class="kw">fn </span>call(<span class="kw-2">&mut </span><span class="self">self</span>, io: <span class="kw-2">&</span>ServerIo<IO>) -> <span class="self">Self</span>::Future { |
| <span class="kw">let </span>conn_info = io.connect_info(); |
| |
| <span class="kw">let </span>svc = <span class="self">self</span>.inner.clone(); |
| <span class="kw">let </span>concurrency_limit = <span class="self">self</span>.concurrency_limit; |
| <span class="kw">let </span>timeout = <span class="self">self</span>.timeout; |
| <span class="kw">let </span>trace_interceptor = <span class="self">self</span>.trace_interceptor.clone(); |
| |
| <span class="kw">let </span>svc = ServiceBuilder::new() |
| .layer_fn(RecoverError::new) |
| .option_layer(concurrency_limit.map(ConcurrencyLimitLayer::new)) |
| .layer_fn(|s| GrpcTimeout::new(s, timeout)) |
| .service(svc); |
| |
| <span class="kw">let </span>svc = ServiceBuilder::new() |
| .layer(BoxService::layer()) |
| .map_request(<span class="kw">move </span>|<span class="kw-2">mut </span>request: Request<Body>| { |
| <span class="kw">match </span><span class="kw-2">&</span>conn_info { |
| tower::util::Either::A(inner) => { |
| request.extensions_mut().insert(inner.clone()); |
| } |
| tower::util::Either::B(inner) => { |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span>{ |
| request.extensions_mut().insert(inner.clone()); |
| request.extensions_mut().insert(inner.get_ref().clone()); |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"tls"</span>))] |
| </span>{ |
| <span class="comment">// just a type check to make sure we didn't forget to |
| // insert this into the extensions |
| </span><span class="kw">let _</span>: <span class="kw-2">&</span>() = inner; |
| } |
| } |
| } |
| |
| request |
| }) |
| .service(Svc { |
| inner: svc, |
| trace_interceptor, |
| }); |
| |
| future::ready(<span class="prelude-val">Ok</span>(svc)) |
| } |
| } |
| |
| <span class="attribute">#[derive(Default, Clone, Debug)] |
| #[doc(hidden)] |
| </span><span class="kw">pub struct </span>Unimplemented { |
| _p: (), |
| } |
| |
| <span class="kw">impl </span>Service<Request<Body>> <span class="kw">for </span>Unimplemented { |
| <span class="kw">type </span>Response = Response<BoxBody>; |
| <span class="kw">type </span>Error = <span class="kw">crate</span>::Error; |
| <span class="kw">type </span>Future = future::Ready<<span class="prelude-ty">Result</span><<span class="self">Self</span>::Response, <span class="self">Self</span>::Error>>; |
| |
| <span class="kw">fn </span>poll_ready(<span class="kw-2">&mut </span><span class="self">self</span>, _cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error>> { |
| <span class="prelude-val">Ok</span>(()).into() |
| } |
| |
| <span class="kw">fn </span>call(<span class="kw-2">&mut </span><span class="self">self</span>, _req: Request<Body>) -> <span class="self">Self</span>::Future { |
| future::ok( |
| http::Response::builder() |
| .status(<span class="number">200</span>) |
| .header(<span class="string">"grpc-status"</span>, <span class="string">"12"</span>) |
| .header(<span class="string">"content-type"</span>, <span class="string">"application/grpc"</span>) |
| .body(<span class="kw">crate</span>::body::empty_body()) |
| .unwrap(), |
| ) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="tonic" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
