9b2998bddc3c033e4fc4e6a9b7d18504339ded3f
Previously, hyper was defaulting to Chunked which adds a Transfer-Encoding header, whenever there was no Content-Length header. RFC 7230 section 3.3.1 reads: ... A server MUST NOT send a Transfer-Encoding header field in any response with a status code of 1xx (Informational) or 204 (No Content). A server MUST NOT send a Transfer-Encoding header field in any 2xx (Successful) response to a CONNECT request ... This commit fixes the cases of 1xx (Informational), 204 (No Content) by using the EmptyWriter. It also uses EmptyWriter for 304 (NotModified) which should not have a body. It does NOT address the case of responses to CONNECT requests, or to HEAD requests which do not send a body. These cases cannot be determined using the data available in the response, and are left for future work.
hyper
A Modern HTTP library for Rust.
Overview
Hyper is a fast, modern HTTP implementation written in and for Rust. It is a low-level typesafe abstraction over raw HTTP, providing an elegant layer over "stringly-typed" HTTP.
Hyper offers both an HTTP/S client and HTTP server which can be used to drive complex web applications written entirely in Rust.
The documentation is located at http://hyperium.github.io/hyper.
Example
Hello World Server:
extern crate hyper;
use std::io::Write;
use hyper::Server;
use hyper::server::Request;
use hyper::server::Response;
use hyper::net::Fresh;
fn hello(_: Request, res: Response<Fresh>) {
res.send(b"Hello World!").unwrap();
}
fn main() {
Server::http("127.0.0.1:3000").unwrap().handle(hello);
}
Client:
extern crate hyper;
use std::io::Read;
use hyper::Client;
use hyper::header::Connection;
fn main() {
// Create a client.
let mut client = Client::new();
// Creating an outgoing request.
let mut res = client.get("http://rust-lang.org/")
// set a header
.header(Connection::close())
// let 'er go!
.send().unwrap();
// Read the Response.
let mut body = String::new();
res.read_to_string(&mut body).unwrap();
println!("Response: {}", body);
}
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