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extern crate bytes;
#[macro_use]
extern crate error_chain;
extern crate futures;
extern crate hyper;
#[macro_use]
extern crate log;
extern crate serde;
#[macro_use]
extern crate serde_derive;
#[cfg(feature = "fst")]
extern crate fst;
extern crate http;
extern crate serde_json;
extern crate serde_qs;
extern crate tokio;
extern crate tokio_current_thread;
extern crate tokio_io;
#[cfg(feature = "uds")]
extern crate tokio_uds;
extern crate url;
pub mod error {
use super::*;
error_chain!{
foreign_links {
Hyper(hyper::Error);
Http(http::Error);
Io(std::io::Error);
}
errors {
UnexpectedMethod(m: hyper::Method) {
description("badarg")
}
InvalidEndpoint {
description("invalid_endpoint")
}
DecodeJson(e: serde_json::Error) {
description("badarg")
}
EncodeJson(e: serde_json::Error) {
description("internal")
}
DecodeQs(e: serde_qs::Error) {
description("badarg")
}
}
}
}
type SyncObj<T> = std::rc::Rc<T>;
pub mod async;
pub mod reply;
pub mod server;
pub mod sync;
pub use error::{Error, ErrorKind};
pub use server::Server;
use std::fmt::Debug;
use futures::future::*;
use futures::*;
use hyper::header::*;
use hyper::service::Service;
use hyper::{Body, Request, Response};
pub fn resp_err() -> Response<Body> {
Response::builder()
.status(hyper::StatusCode::BAD_REQUEST)
.body(Body::empty())
.unwrap_or_else(|_| Response::new(Body::empty()))
}
pub fn resp_serv_err<E>(e: E, status: hyper::StatusCode) -> Response<Body>
where
E: Debug + std::error::Error,
{
let reply = reply::ServiceReply::<(), E>::from(e);
let encoded = match serde_json::to_vec(&reply) {
Ok(v) => v,
Err(_e) => return resp_err(),
};
Response::builder()
.header(ACCESS_CONTROL_ALLOW_ORIGIN, "*")
.status(status)
.body(Body::from(encoded))
.unwrap_or_else(|_| Response::new(Body::empty()))
}
pub type HyperFuture = Box<Future<Item = Response<Body>, Error = hyper::Error>>;
pub type HyperService =
Box<Service<ReqBody = Body, ResBody = Body, Error = hyper::Error, Future = HyperFuture>>;
pub type HyperServiceSend = Box<
Service<
ReqBody = Body,
ResBody = Body,
Error = hyper::Error,
Future = Box<Future<Item = Response<Body>, Error = hyper::Error> + Send>,
>,
>;
fn parse_req<R>(req: Request<Body>) -> Box<Future<Item = R, Error = Error>>
where
R: for<'de> serde::Deserialize<'de> + 'static,
{
use hyper::Method;
match req.method().clone() {
Method::GET | Method::DELETE => {
let qs = req.uri().query().unwrap_or("");
let req: Result<R, Error> =
serde_qs::from_str(qs).map_err(|e| ErrorKind::DecodeQs(e).into());
Box::new(result(req))
}
Method::PUT | Method::POST => {
let buf = Vec::new();
let f = req
.into_body()
.map_err(Error::from)
.fold(buf, |mut buf, chunk| {
buf.extend_from_slice(&chunk);
if buf.len() > 1024 * 1024 * 4 {
Err(Error::from("body too large"))
} else {
Ok(buf)
}
})
.and_then(move |chunk: Vec<u8>| {
serde_json::from_slice(&chunk).map_err(|e| ErrorKind::DecodeJson(e).into())
});
Box::new(f)
}
m => Box::new(err(ErrorKind::UnexpectedMethod(m).into())),
}
}
#[derive(Serialize, Deserialize, Default, Clone, Copy, Debug)]
pub struct Empty {}