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feat(server): re-design Server as higher-level API

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The `hyper::Server` is now a proper higher-level API for running HTTP
servers. There is a related `hyper::server::Builder` type, to construct
a `Server`. All other types (`Http`, `Serve`, etc) were moved into the
"lower-level" `hyper::server::conn` module.

The `Server` is a `Future` representing a listening HTTP server. Options
needed to build one are set on the `Builder`.

As `Server` is just a `Future`, it no longer owns a thread-blocking
executor, and can thus be run next to other servers, clients, or
what-have-you.

Closes #1322
Closes #1263

BREAKING CHANGE: The `Server` is no longer created from `Http::bind`,
  nor is it `run`. It is a `Future` that must be polled by an
  `Executor`.

  The `hyper::server::Http` type has move to
  `hyper::server::conn::Http`.
This commit is contained in:
Sean McArthur
2018-04-16 11:57:50 -07:00
parent 35c38cba6e
commit c4974500ab
16 changed files with 798 additions and 833 deletions
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14
examples/web_api.rs
View File

@@ -9,7 +9,7 @@ use futures::future::lazy;
use hyper::{Body, Chunk, Client, Method, Request, Response, StatusCode};
use hyper::client::HttpConnector;
use hyper::server::{Http, Service};
use hyper::server::{Server, Service};
#[allow(unused, deprecated)]
use std::ascii::AsciiExt;
@@ -75,15 +75,17 @@ impl Service for ResponseExamples {
fn main() {
pretty_env_logger::init();
let addr = "127.0.0.1:1337".parse().unwrap();
tokio::run(lazy(move || {
let client = Client::new();
let serve = Http::new().serve_addr(&addr, move || Ok(ResponseExamples(client.clone()))).unwrap();
println!("Listening on http://{} with 1 thread.", serve.incoming_ref().local_addr());
let server = Server::bind(&addr)
.serve(move || Ok(ResponseExamples(client.clone())))
.map_err(|e| eprintln!("server error: {}", e));
serve.map_err(|_| ()).for_each(move |conn| {
tokio::spawn(conn.map_err(|err| println!("serve error: {:?}", err)))
})
println!("Listening on http://{}", addr);
server
}));
}