76 lines
2.2 KiB
Rust
76 lines
2.2 KiB
Rust
#![feature(macro_rules, default_type_params)]
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extern crate hyper;
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extern crate debug;
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use std::io::util::copy;
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use std::io::net::ip::Ipv4Addr;
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use std::sync::Arc;
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use hyper::{Get, Post};
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use hyper::server::{Server, Handler, Incoming, Request, Response};
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use hyper::header::common::ContentLength;
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use hyper::net::{HttpStream, HttpAcceptor, Fresh};
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trait ConcurrentHandler: Send + Sync {
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fn handle(&self, req: Request, res: Response<Fresh>);
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}
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struct Concurrent<H: ConcurrentHandler> { handler: Arc<H> }
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impl<H: ConcurrentHandler> Handler<HttpAcceptor, HttpStream> for Concurrent<H> {
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fn handle(self, mut incoming: Incoming) {
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for (mut req, mut res) in incoming {
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let clone = self.handler.clone();
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spawn(proc() { clone.handle(req, res) })
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}
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}
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}
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macro_rules! try_abort(
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($e:expr) => {{
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match $e {
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Ok(v) => v,
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Err(..) => return
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}
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}}
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)
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struct Echo;
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impl ConcurrentHandler for Echo {
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fn handle(&self, mut req: Request, mut res: Response<Fresh>) {
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match req.uri {
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hyper::uri::AbsolutePath(ref path) => match (&req.method, path.as_slice()) {
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(&Get, "/") | (&Get, "/echo") => {
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let out = b"Try POST /echo";
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res.headers_mut().set(ContentLength(out.len()));
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let mut res = try_abort!(res.start());
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try_abort!(res.write(out));
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try_abort!(res.end());
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return;
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},
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(&Post, "/echo") => (), // fall through, fighting mutable borrows
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_ => {
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*res.status_mut() = hyper::status::NotFound;
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try_abort!(res.start().and_then(|res| res.end()));
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return;
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}
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},
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_ => {
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try_abort!(res.start().and_then(|res| res.end()));
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return;
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}
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}
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let mut res = try_abort!(res.start());
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try_abort!(copy(&mut req, &mut res));
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try_abort!(res.end());
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}
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}
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fn main() {
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let server = Server::http(Ipv4Addr(127, 0, 0, 1), 3000);
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server.listen(Concurrent { handler: Arc::new(Echo) }).unwrap();
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}
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