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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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19
examples/server.rs
View File

@@ -5,10 +5,10 @@ extern crate pretty_env_logger;
extern crate tokio;
use futures::Future;
use futures::future::{FutureResult, lazy};
use futures::future::{FutureResult};
use hyper::{Body, Method, Request, Response, StatusCode};
use hyper::server::{Http, Service};
use hyper::server::{Server, Service};
static INDEX: &'static [u8] = b"Try POST /echo";
@@ -41,11 +41,14 @@ impl Service for Echo {
fn main() {
pretty_env_logger::init();
let addr = "127.0.0.1:1337".parse().unwrap();
tokio::run(lazy(move || {
let server = Http::new().bind(&addr, || Ok(Echo)).unwrap();
println!("Listening on http://{} with 1 thread.", server.local_addr().unwrap());
server.run().map_err(|err| eprintln!("Server error {}", err))
}));
let addr = ([127, 0, 0, 1], 1337).into();
let server = Server::bind(&addr)
.serve(|| Ok(Echo))
.map_err(|e| eprintln!("server error: {}", e));
println!("Listening on http://{}", addr);
tokio::run(server);
}