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mirror of https://github.com/fafhrd91/actix-net synced 2024-11-23 19:51:06 +01:00

split service mod

This commit is contained in:
Nikolay Kim 2018-08-25 09:02:14 -07:00
parent 0eae4d84b1
commit 89b8da724b
11 changed files with 917 additions and 847 deletions

View File

@ -110,19 +110,18 @@ where
Fut: IntoFuture<Item = S, Error = Err>,
{
fn new(f: F) -> Self {
Fn2NewConfigurableService{
Fn2NewConfigurableService {
f,
err: marker::PhantomData,
cfg: marker::PhantomData,
fut: marker::PhantomData,
s: marker::PhantomData
s: marker::PhantomData,
}
}
}
impl<F, S, Err, Fut, Cfg>
IntoNewConfigurableService<Fn2NewConfigurableService<F, S, Err, Fut, Cfg>>
for F
IntoNewConfigurableService<Fn2NewConfigurableService<F, S, Err, Fut, Cfg>> for F
where
S: Service,
F: Fn(Cfg) -> Fut + 'static,
@ -144,7 +143,8 @@ where
}
}
impl<F, S, Err, Fut, Cfg> NewConfigurableService for Fn2NewConfigurableService<F, S, Err, Fut, Cfg>
impl<F, S, Err, Fut, Cfg> NewConfigurableService
for Fn2NewConfigurableService<F, S, Err, Fut, Cfg>
where
S: Service,
F: Fn(Cfg) -> Fut,

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@ -60,7 +60,7 @@ pub mod service;
pub mod ssl;
mod worker;
pub use configurable::{NewConfigurableService, IntoNewConfigurableService};
pub use configurable::{IntoNewConfigurableService, NewConfigurableService};
pub use connector::{Connector, ConnectorError};
pub use server::Server;
pub use service::{IntoNewService, IntoService, NewServiceExt};

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@ -1,795 +0,0 @@
use std::cell::RefCell;
use std::marker;
use std::rc::Rc;
use futures::{future, future::FutureResult, Async, Future, IntoFuture, Poll};
use tower_service::{NewService, Service};
pub trait NewServiceExt: NewService {
fn and_then<F, B>(self, new_service: F) -> AndThenNewService<Self, B>
where
Self: Sized,
F: IntoNewService<B>,
B: NewService<
Request = Self::Response,
Error = Self::Error,
InitError = Self::InitError,
>,
{
AndThenNewService::new(self, new_service)
}
fn map_err<F, E>(self, f: F) -> MapErrNewService<Self, F, E>
where
Self: Sized,
F: Fn(Self::Error) -> E,
{
MapErrNewService::new(self, f)
}
fn map_init_err<F, E>(self, f: F) -> MapInitErr<Self, F, E>
where
Self: Sized,
F: Fn(Self::InitError) -> E,
{
MapInitErr::new(self, f)
}
}
impl<T: NewService> NewServiceExt for T {}
/// Trait for types that can be converted to a Service
pub trait IntoService<T>
where
T: Service,
{
/// Create service
fn into(self) -> T;
}
/// Trait for types that can be converted to a Service
pub trait IntoNewService<T>
where
T: NewService,
{
/// Create service
fn into_new_service(self) -> T;
}
impl<T> IntoService<T> for T
where
T: Service,
{
fn into(self) -> T {
self
}
}
impl<T> IntoNewService<T> for T
where
T: NewService,
{
fn into_new_service(self) -> T {
self
}
}
impl<F, Req, Resp, Err, Fut> IntoService<FnService<F, Req, Resp, Err, Fut>> for F
where
F: Fn(Req) -> Fut + 'static,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn into(self) -> FnService<F, Req, Resp, Err, Fut> {
FnService::new(self)
}
}
pub struct FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
f: F,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<E>,
}
impl<F, Req, Resp, E, Fut> FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
pub fn new(f: F) -> Self {
FnService {
f,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
}
}
}
impl<F, Req, Resp, E, Fut> Service for FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
type Request = Req;
type Response = Resp;
type Error = E;
type Future = Fut::Future;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Req) -> Self::Future {
(self.f)(req).into_future()
}
}
pub struct FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
f: F,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<Err>,
ierr: marker::PhantomData<IErr>,
}
impl<F, Req, Resp, Err, IErr, Fut> FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn new(f: F) -> Self {
FnNewService {
f,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
ierr: marker::PhantomData,
}
}
}
impl<F, Req, Resp, Err, IErr, Fut> NewService for FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
type Request = Req;
type Response = Resp;
type Error = Err;
type Service = FnService<F, Req, Resp, Err, Fut>;
type InitError = IErr;
type Future = FutureResult<Self::Service, Self::InitError>;
fn new_service(&self) -> Self::Future {
future::ok(FnService::new(self.f.clone()))
}
}
impl<F, Req, Resp, Err, IErr, Fut> IntoNewService<FnNewService<F, Req, Resp, Err, IErr, Fut>>
for F
where
F: Fn(Req) -> Fut + Clone + 'static,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn into_new_service(self) -> FnNewService<F, Req, Resp, Err, IErr, Fut> {
FnNewService::new(self)
}
}
impl<F, Req, Resp, Err, IErr, Fut> Clone for FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn clone(&self) -> Self {
Self::new(self.f.clone())
}
}
pub struct FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
f: F,
state: S,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<Err>,
}
impl<S, F, Req, Resp, Err, Fut> FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
pub fn new(state: S, f: F) -> Self {
FnStateService {
f,
state,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
}
}
}
impl<S, F, Req, Resp, Err, Fut> Service for FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
type Request = Req;
type Response = Resp;
type Error = Err;
type Future = Fut::Future;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Req) -> Self::Future {
(self.f)(&mut self.state, req).into_future()
}
}
/// `NewService` for state and handler functions
pub struct FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> {
f: F1,
state: F2,
s: marker::PhantomData<S>,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err1: marker::PhantomData<Err1>,
err2: marker::PhantomData<Err2>,
fut1: marker::PhantomData<Fut1>,
fut2: marker::PhantomData<Fut2>,
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
{
fn new(f: F1, state: F2) -> Self {
FnStateNewService {
f,
state,
s: marker::PhantomData,
req: marker::PhantomData,
resp: marker::PhantomData,
err1: marker::PhantomData,
err2: marker::PhantomData,
fut1: marker::PhantomData,
fut2: marker::PhantomData,
}
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> NewService
for FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
where
S: 'static,
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2,
Fut1: IntoFuture<Item = Resp, Error = Err1> + 'static,
Fut2: IntoFuture<Item = S, Error = Err2> + 'static,
Req: 'static,
Resp: 'static,
Err1: 'static,
Err2: 'static,
{
type Request = Req;
type Response = Resp;
type Error = Err1;
type Service = FnStateService<S, F1, Req, Resp, Err1, Fut1>;
type InitError = Err2;
type Future = Box<Future<Item = Self::Service, Error = Self::InitError>>;
fn new_service(&self) -> Self::Future {
let f = self.f.clone();
Box::new(
(self.state)()
.into_future()
.and_then(move |state| Ok(FnStateService::new(state, f))),
)
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
IntoNewService<FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>> for (F1, F2)
where
S: 'static,
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2,
Fut1: IntoFuture<Item = Resp, Error = Err1> + 'static,
Fut2: IntoFuture<Item = S, Error = Err2> + 'static,
Req: 'static,
Resp: 'static,
Err1: 'static,
Err2: 'static,
{
fn into_new_service(
self,
) -> FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> {
FnStateNewService::new(self.0, self.1)
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> Clone
for FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
where
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2 + Clone,
Fut1: IntoFuture<Item = Resp, Error = Err1>,
Fut2: IntoFuture<Item = S, Error = Err2>,
{
fn clone(&self) -> Self {
Self::new(self.f.clone(), self.state.clone())
}
}
/// `AndThen` service combinator
pub struct AndThen<A, B> {
a: A,
b: Rc<RefCell<B>>,
}
impl<A, B> AndThen<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
/// Create new `AndThen` combinator
pub fn new(a: A, b: B) -> Self {
Self {
a,
b: Rc::new(RefCell::new(b)),
}
}
}
impl<A, B> Service for AndThen<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
type Request = A::Request;
type Response = B::Response;
type Error = B::Error;
type Future = AndThenFuture<A, B>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
match self.a.poll_ready() {
Ok(Async::Ready(_)) => self.b.borrow_mut().poll_ready(),
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(err) => Err(err.into()),
}
}
fn call(&mut self, req: Self::Request) -> Self::Future {
AndThenFuture::new(self.a.call(req), self.b.clone())
}
}
pub struct AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
b: Rc<RefCell<B>>,
fut_b: Option<B::Future>,
fut_a: A::Future,
}
impl<A, B> AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
fn new(fut_a: A::Future, b: Rc<RefCell<B>>) -> Self {
AndThenFuture {
b,
fut_a,
fut_b: None,
}
}
}
impl<A, B> Future for AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
type Item = B::Response;
type Error = B::Error;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if let Some(ref mut fut) = self.fut_b {
return fut.poll();
}
match self.fut_a.poll() {
Ok(Async::Ready(resp)) => {
self.fut_b = Some(self.b.borrow_mut().call(resp));
self.poll()
}
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(err) => Err(err.into()),
}
}
}
/// `AndThenNewService` new service combinator
pub struct AndThenNewService<A, B> {
a: A,
b: B,
}
impl<A, B> AndThenNewService<A, B>
where
A: NewService,
B: NewService,
{
/// Create new `AndThen` combinator
pub fn new<F: IntoNewService<B>>(a: A, f: F) -> Self {
Self {
a,
b: f.into_new_service(),
}
}
}
impl<A, B> NewService for AndThenNewService<A, B>
where
A: NewService<Response = B::Request, InitError = B::InitError>,
A::Error: Into<B::Error>,
B: NewService,
{
type Request = A::Request;
type Response = B::Response;
type Error = B::Error;
type Service = AndThen<A::Service, B::Service>;
type InitError = A::InitError;
type Future = AndThenNewServiceFuture<A, B>;
fn new_service(&self) -> Self::Future {
AndThenNewServiceFuture::new(self.a.new_service(), self.b.new_service())
}
}
impl<A, B> Clone for AndThenNewService<A, B>
where
A: NewService<Response = B::Request, InitError = B::InitError> + Clone,
A::Error: Into<B::Error>,
B: NewService + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
b: self.b.clone(),
}
}
}
pub struct AndThenNewServiceFuture<A, B>
where
A: NewService,
B: NewService,
{
fut_b: B::Future,
fut_a: A::Future,
a: Option<A::Service>,
b: Option<B::Service>,
}
impl<A, B> AndThenNewServiceFuture<A, B>
where
A: NewService,
B: NewService,
{
fn new(fut_a: A::Future, fut_b: B::Future) -> Self {
AndThenNewServiceFuture {
fut_a,
fut_b,
a: None,
b: None,
}
}
}
impl<A, B> Future for AndThenNewServiceFuture<A, B>
where
A: NewService,
A::Error: Into<B::Error>,
B: NewService<Request = A::Response, InitError = A::InitError>,
{
type Item = AndThen<A::Service, B::Service>;
type Error = B::InitError;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if self.a.is_none() {
if let Async::Ready(service) = self.fut_a.poll()? {
self.a = Some(service);
}
}
if self.b.is_none() {
if let Async::Ready(service) = self.fut_b.poll()? {
self.b = Some(service);
}
}
if self.a.is_some() && self.b.is_some() {
Ok(Async::Ready(AndThen::new(
self.a.take().unwrap(),
self.b.take().unwrap(),
)))
} else {
Ok(Async::NotReady)
}
}
}
/// `MapErr` service combinator
pub struct MapErr<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapErr<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
/// Create new `MapErr` combinator
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Service for MapErr<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
F: Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = E;
type Future = MapErrFuture<A, F, E>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
self.a.poll_ready().map_err(&self.f)
}
fn call(&mut self, req: Self::Request) -> Self::Future {
MapErrFuture::new(self.a.call(req), self.f.clone())
}
}
pub struct MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
f: F,
fut: A::Future,
}
impl<A, F, E> MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapErrFuture { f, fut }
}
}
impl<A, F, E> Future for MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
type Item = A::Response;
type Error = E;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.fut.poll().map_err(&self.f)
}
}
/// `MapErrNewService` new service combinator
pub struct MapErrNewService<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapErrNewService<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
/// Create new `MapErr` new service instance
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Clone for MapErrNewService<A, F, E>
where
A: NewService + Clone,
F: Fn(A::Error) -> E + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
f: self.f.clone(),
e: marker::PhantomData,
}
}
}
impl<A, F, E> NewService for MapErrNewService<A, F, E>
where
A: NewService + Clone,
F: Fn(A::Error) -> E + Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = E;
type Service = MapErr<A::Service, F, E>;
type InitError = A::InitError;
type Future = MapErrNewServiceFuture<A, F, E>;
fn new_service(&self) -> Self::Future {
MapErrNewServiceFuture::new(self.a.new_service(), self.f.clone())
}
}
pub struct MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
fut: A::Future,
f: F,
}
impl<A, F, E> MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapErrNewServiceFuture { f, fut }
}
}
impl<A, F, E> Future for MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E + Clone,
{
type Item = MapErr<A::Service, F, E>;
type Error = A::InitError;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if let Async::Ready(service) = self.fut.poll()? {
Ok(Async::Ready(MapErr::new(service, self.f.clone())))
} else {
Ok(Async::NotReady)
}
}
}
/// `MapInitErr` service combinator
pub struct MapInitErr<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapInitErr<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
/// Create new `MapInitErr` combinator
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Clone for MapInitErr<A, F, E>
where
A: NewService + Clone,
F: Fn(A::InitError) -> E + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
f: self.f.clone(),
e: marker::PhantomData,
}
}
}
impl<A, F, E> NewService for MapInitErr<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E + Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = A::Error;
type Service = A::Service;
type InitError = E;
type Future = MapInitErrFuture<A, F, E>;
fn new_service(&self) -> Self::Future {
MapInitErrFuture::new(self.a.new_service(), self.f.clone())
}
}
pub struct MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
f: F,
fut: A::Future,
}
impl<A, F, E> MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapInitErrFuture { f, fut }
}
}
impl<A, F, E> Future for MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
type Item = A::Service;
type Error = E;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.fut.poll().map_err(&self.f)
}
}

215
src/service/and_then.rs Normal file
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@ -0,0 +1,215 @@
use std::cell::RefCell;
use std::rc::Rc;
use futures::{Async, Future, Poll};
use tower_service::{NewService, Service};
use super::IntoNewService;
/// `AndThen` service combinator
pub struct AndThen<A, B> {
a: A,
b: Rc<RefCell<B>>,
}
impl<A, B> AndThen<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
/// Create new `AndThen` combinator
pub fn new(a: A, b: B) -> Self {
Self {
a,
b: Rc::new(RefCell::new(b)),
}
}
}
impl<A, B> Service for AndThen<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
type Request = A::Request;
type Response = B::Response;
type Error = B::Error;
type Future = AndThenFuture<A, B>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
match self.a.poll_ready() {
Ok(Async::Ready(_)) => self.b.borrow_mut().poll_ready(),
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(err) => Err(err.into()),
}
}
fn call(&mut self, req: Self::Request) -> Self::Future {
AndThenFuture::new(self.a.call(req), self.b.clone())
}
}
pub struct AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
b: Rc<RefCell<B>>,
fut_b: Option<B::Future>,
fut_a: A::Future,
}
impl<A, B> AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
fn new(fut_a: A::Future, b: Rc<RefCell<B>>) -> Self {
AndThenFuture {
b,
fut_a,
fut_b: None,
}
}
}
impl<A, B> Future for AndThenFuture<A, B>
where
A: Service,
A::Error: Into<B::Error>,
B: Service<Request = A::Response>,
{
type Item = B::Response;
type Error = B::Error;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if let Some(ref mut fut) = self.fut_b {
return fut.poll();
}
match self.fut_a.poll() {
Ok(Async::Ready(resp)) => {
self.fut_b = Some(self.b.borrow_mut().call(resp));
self.poll()
}
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(err) => Err(err.into()),
}
}
}
/// `AndThenNewService` new service combinator
pub struct AndThenNewService<A, B> {
a: A,
b: B,
}
impl<A, B> AndThenNewService<A, B>
where
A: NewService,
B: NewService,
{
/// Create new `AndThen` combinator
pub fn new<F: IntoNewService<B>>(a: A, f: F) -> Self {
Self {
a,
b: f.into_new_service(),
}
}
}
impl<A, B> NewService for AndThenNewService<A, B>
where
A: NewService<Response = B::Request, InitError = B::InitError>,
A::Error: Into<B::Error>,
B: NewService,
{
type Request = A::Request;
type Response = B::Response;
type Error = B::Error;
type Service = AndThen<A::Service, B::Service>;
type InitError = A::InitError;
type Future = AndThenNewServiceFuture<A, B>;
fn new_service(&self) -> Self::Future {
AndThenNewServiceFuture::new(self.a.new_service(), self.b.new_service())
}
}
impl<A, B> Clone for AndThenNewService<A, B>
where
A: NewService<Response = B::Request, InitError = B::InitError> + Clone,
A::Error: Into<B::Error>,
B: NewService + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
b: self.b.clone(),
}
}
}
pub struct AndThenNewServiceFuture<A, B>
where
A: NewService,
B: NewService,
{
fut_b: B::Future,
fut_a: A::Future,
a: Option<A::Service>,
b: Option<B::Service>,
}
impl<A, B> AndThenNewServiceFuture<A, B>
where
A: NewService,
B: NewService,
{
fn new(fut_a: A::Future, fut_b: B::Future) -> Self {
AndThenNewServiceFuture {
fut_a,
fut_b,
a: None,
b: None,
}
}
}
impl<A, B> Future for AndThenNewServiceFuture<A, B>
where
A: NewService,
A::Error: Into<B::Error>,
B: NewService<Request = A::Response, InitError = A::InitError>,
{
type Item = AndThen<A::Service, B::Service>;
type Error = B::InitError;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if self.a.is_none() {
if let Async::Ready(service) = self.fut_a.poll()? {
self.a = Some(service);
}
}
if self.b.is_none() {
if let Async::Ready(service) = self.fut_b.poll()? {
self.b = Some(service);
}
}
if self.a.is_some() && self.b.is_some() {
Ok(Async::Ready(AndThen::new(
self.a.take().unwrap(),
self.b.take().unwrap(),
)))
} else {
Ok(Async::NotReady)
}
}
}

120
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@ -0,0 +1,120 @@
use std::marker;
use futures::{
future::{ok, FutureResult},
Async, IntoFuture, Poll,
};
use tower_service::{NewService, Service};
use super::IntoNewService;
pub struct FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
f: F,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<E>,
}
impl<F, Req, Resp, E, Fut> FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
pub fn new(f: F) -> Self {
FnService {
f,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
}
}
}
impl<F, Req, Resp, E, Fut> Service for FnService<F, Req, Resp, E, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = E>,
{
type Request = Req;
type Response = Resp;
type Error = E;
type Future = Fut::Future;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Req) -> Self::Future {
(self.f)(req).into_future()
}
}
pub struct FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
f: F,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<Err>,
ierr: marker::PhantomData<IErr>,
}
impl<F, Req, Resp, Err, IErr, Fut> FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn new(f: F) -> Self {
FnNewService {
f,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
ierr: marker::PhantomData,
}
}
}
impl<F, Req, Resp, Err, IErr, Fut> NewService for FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
type Request = Req;
type Response = Resp;
type Error = Err;
type Service = FnService<F, Req, Resp, Err, Fut>;
type InitError = IErr;
type Future = FutureResult<Self::Service, Self::InitError>;
fn new_service(&self) -> Self::Future {
ok(FnService::new(self.f.clone()))
}
}
impl<F, Req, Resp, Err, IErr, Fut> IntoNewService<FnNewService<F, Req, Resp, Err, IErr, Fut>>
for F
where
F: Fn(Req) -> Fut + Clone + 'static,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn into_new_service(self) -> FnNewService<F, Req, Resp, Err, IErr, Fut> {
FnNewService::new(self)
}
}
impl<F, Req, Resp, Err, IErr, Fut> Clone for FnNewService<F, Req, Resp, Err, IErr, Fut>
where
F: Fn(Req) -> Fut + Clone,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn clone(&self) -> Self {
Self::new(self.f.clone())
}
}

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@ -0,0 +1,147 @@
use std::marker;
use futures::{Async, Future, IntoFuture, Poll};
use tower_service::{NewService, Service};
use super::IntoNewService;
pub struct FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
f: F,
state: S,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err: marker::PhantomData<Err>,
}
impl<S, F, Req, Resp, Err, Fut> FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
pub fn new(state: S, f: F) -> Self {
FnStateService {
f,
state,
req: marker::PhantomData,
resp: marker::PhantomData,
err: marker::PhantomData,
}
}
}
impl<S, F, Req, Resp, Err, Fut> Service for FnStateService<S, F, Req, Resp, Err, Fut>
where
F: Fn(&mut S, Req) -> Fut,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
type Request = Req;
type Response = Resp;
type Error = Err;
type Future = Fut::Future;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Req) -> Self::Future {
(self.f)(&mut self.state, req).into_future()
}
}
/// `NewService` for state and handler functions
pub struct FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> {
f: F1,
state: F2,
s: marker::PhantomData<S>,
req: marker::PhantomData<Req>,
resp: marker::PhantomData<Resp>,
err1: marker::PhantomData<Err1>,
err2: marker::PhantomData<Err2>,
fut1: marker::PhantomData<Fut1>,
fut2: marker::PhantomData<Fut2>,
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
{
fn new(f: F1, state: F2) -> Self {
FnStateNewService {
f,
state,
s: marker::PhantomData,
req: marker::PhantomData,
resp: marker::PhantomData,
err1: marker::PhantomData,
err2: marker::PhantomData,
fut1: marker::PhantomData,
fut2: marker::PhantomData,
}
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> NewService
for FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
where
S: 'static,
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2,
Fut1: IntoFuture<Item = Resp, Error = Err1> + 'static,
Fut2: IntoFuture<Item = S, Error = Err2> + 'static,
Req: 'static,
Resp: 'static,
Err1: 'static,
Err2: 'static,
{
type Request = Req;
type Response = Resp;
type Error = Err1;
type Service = FnStateService<S, F1, Req, Resp, Err1, Fut1>;
type InitError = Err2;
type Future = Box<Future<Item = Self::Service, Error = Self::InitError>>;
fn new_service(&self) -> Self::Future {
let f = self.f.clone();
Box::new(
(self.state)()
.into_future()
.and_then(move |state| Ok(FnStateService::new(state, f))),
)
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
IntoNewService<FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>> for (F1, F2)
where
S: 'static,
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2,
Fut1: IntoFuture<Item = Resp, Error = Err1> + 'static,
Fut2: IntoFuture<Item = S, Error = Err2> + 'static,
Req: 'static,
Resp: 'static,
Err1: 'static,
Err2: 'static,
{
fn into_new_service(
self,
) -> FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> {
FnStateNewService::new(self.0, self.1)
}
}
impl<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2> Clone
for FnStateNewService<S, F1, F2, Req, Resp, Err1, Err2, Fut1, Fut2>
where
F1: Fn(&mut S, Req) -> Fut1 + Clone + 'static,
F2: Fn() -> Fut2 + Clone,
Fut1: IntoFuture<Item = Resp, Error = Err1>,
Fut2: IntoFuture<Item = S, Error = Err2>,
{
fn clone(&self) -> Self {
Self::new(self.f.clone(), self.state.clone())
}
}

168
src/service/map_err.rs Normal file
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@ -0,0 +1,168 @@
use std::marker;
use futures::{Async, Future, Poll};
use tower_service::{NewService, Service};
/// `MapErr` service combinator
pub struct MapErr<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapErr<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
/// Create new `MapErr` combinator
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Service for MapErr<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
F: Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = E;
type Future = MapErrFuture<A, F, E>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
self.a.poll_ready().map_err(&self.f)
}
fn call(&mut self, req: Self::Request) -> Self::Future {
MapErrFuture::new(self.a.call(req), self.f.clone())
}
}
pub struct MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
f: F,
fut: A::Future,
}
impl<A, F, E> MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapErrFuture { f, fut }
}
}
impl<A, F, E> Future for MapErrFuture<A, F, E>
where
A: Service,
F: Fn(A::Error) -> E,
{
type Item = A::Response;
type Error = E;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.fut.poll().map_err(&self.f)
}
}
/// `MapErrNewService` new service combinator
pub struct MapErrNewService<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapErrNewService<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
/// Create new `MapErr` new service instance
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Clone for MapErrNewService<A, F, E>
where
A: NewService + Clone,
F: Fn(A::Error) -> E + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
f: self.f.clone(),
e: marker::PhantomData,
}
}
}
impl<A, F, E> NewService for MapErrNewService<A, F, E>
where
A: NewService + Clone,
F: Fn(A::Error) -> E + Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = E;
type Service = MapErr<A::Service, F, E>;
type InitError = A::InitError;
type Future = MapErrNewServiceFuture<A, F, E>;
fn new_service(&self) -> Self::Future {
MapErrNewServiceFuture::new(self.a.new_service(), self.f.clone())
}
}
pub struct MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
fut: A::Future,
f: F,
}
impl<A, F, E> MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapErrNewServiceFuture { f, fut }
}
}
impl<A, F, E> Future for MapErrNewServiceFuture<A, F, E>
where
A: NewService,
F: Fn(A::Error) -> E + Clone,
{
type Item = MapErr<A::Service, F, E>;
type Error = A::InitError;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
if let Async::Ready(service) = self.fut.poll()? {
Ok(Async::Ready(MapErr::new(service, self.f.clone())))
} else {
Ok(Async::NotReady)
}
}
}

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@ -0,0 +1,90 @@
use std::marker;
use futures::{Future, Poll};
use tower_service::NewService;
/// `MapInitErr` service combinator
pub struct MapInitErr<A, F, E> {
a: A,
f: F,
e: marker::PhantomData<E>,
}
impl<A, F, E> MapInitErr<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
/// Create new `MapInitErr` combinator
pub fn new(a: A, f: F) -> Self {
Self {
a,
f,
e: marker::PhantomData,
}
}
}
impl<A, F, E> Clone for MapInitErr<A, F, E>
where
A: NewService + Clone,
F: Fn(A::InitError) -> E + Clone,
{
fn clone(&self) -> Self {
Self {
a: self.a.clone(),
f: self.f.clone(),
e: marker::PhantomData,
}
}
}
impl<A, F, E> NewService for MapInitErr<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E + Clone,
{
type Request = A::Request;
type Response = A::Response;
type Error = A::Error;
type Service = A::Service;
type InitError = E;
type Future = MapInitErrFuture<A, F, E>;
fn new_service(&self) -> Self::Future {
MapInitErrFuture::new(self.a.new_service(), self.f.clone())
}
}
pub struct MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
f: F,
fut: A::Future,
}
impl<A, F, E> MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
fn new(fut: A::Future, f: F) -> Self {
MapInitErrFuture { f, fut }
}
}
impl<A, F, E> Future for MapInitErrFuture<A, F, E>
where
A: NewService,
F: Fn(A::InitError) -> E,
{
type Item = A::Service;
type Error = E;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.fut.poll().map_err(&self.f)
}
}

93
src/service/mod.rs Normal file
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@ -0,0 +1,93 @@
use futures::IntoFuture;
use tower_service::{NewService, Service};
mod and_then;
mod fn_service;
mod fn_state_service;
mod map_err;
mod map_init_err;
pub use self::and_then::{AndThen, AndThenNewService};
pub use self::fn_service::FnService;
pub use self::fn_state_service::FnStateService;
pub use self::map_err::{MapErr, MapErrNewService};
pub use self::map_init_err::MapInitErr;
pub trait NewServiceExt: NewService {
fn and_then<F, B>(self, new_service: F) -> AndThenNewService<Self, B>
where
Self: Sized,
F: IntoNewService<B>,
B: NewService<
Request = Self::Response,
Error = Self::Error,
InitError = Self::InitError,
>,
{
AndThenNewService::new(self, new_service)
}
fn map_err<F, E>(self, f: F) -> MapErrNewService<Self, F, E>
where
Self: Sized,
F: Fn(Self::Error) -> E,
{
MapErrNewService::new(self, f)
}
fn map_init_err<F, E>(self, f: F) -> MapInitErr<Self, F, E>
where
Self: Sized,
F: Fn(Self::InitError) -> E,
{
MapInitErr::new(self, f)
}
}
impl<T: NewService> NewServiceExt for T {}
/// Trait for types that can be converted to a Service
pub trait IntoService<T>
where
T: Service,
{
/// Create service
fn into(self) -> T;
}
/// Trait for types that can be converted to a Service
pub trait IntoNewService<T>
where
T: NewService,
{
/// Create service
fn into_new_service(self) -> T;
}
impl<T> IntoService<T> for T
where
T: Service,
{
fn into(self) -> T {
self
}
}
impl<T> IntoNewService<T> for T
where
T: NewService,
{
fn into_new_service(self) -> T {
self
}
}
impl<F, Req, Resp, Err, Fut> IntoService<FnService<F, Req, Resp, Err, Fut>> for F
where
F: Fn(Req) -> Fut + 'static,
Fut: IntoFuture<Item = Resp, Error = Err>,
{
fn into(self) -> FnService<F, Req, Resp, Err, Fut> {
FnService::new(self)
}
}

View File

@ -2,7 +2,7 @@
#[cfg(feature = "ssl")]
mod openssl;
#[cfg(feature = "ssl")]
pub use self::openssl::OpensslService;
pub use self::openssl::{OpensslAcceptor, OpensslConnector};
// #[cfg(feature = "tls")]
// mod nativetls;

View File

@ -1,26 +1,25 @@
use std::marker::PhantomData;
// use std::net::Shutdown;
use std::io;
use std::marker::PhantomData;
use futures::{future, future::FutureResult, Async, Future, Poll};
use openssl::ssl::{AlpnError, SslAcceptor, SslAcceptorBuilder};
use futures::{future, future::FutureResult, Async, Poll};
use openssl::ssl::{AlpnError, Error, SslAcceptor, SslAcceptorBuilder, SslConnector};
use tokio_io::{AsyncRead, AsyncWrite};
use tokio_openssl::{AcceptAsync, SslAcceptorExt, SslStream};
use tokio_openssl::{AcceptAsync, ConnectAsync, SslAcceptorExt, SslConnectorExt, SslStream};
use {NewService, Service};
/// Support `SSL` connections via openssl package
///
/// `alpn` feature enables `OpensslAcceptor` type
pub struct OpensslService<T> {
/// `ssl` feature enables `OpensslAcceptor` type
pub struct OpensslAcceptor<T> {
acceptor: SslAcceptor,
io: PhantomData<T>,
}
impl<T> OpensslService<T> {
/// Create default `OpensslService`
impl<T> OpensslAcceptor<T> {
/// Create default `OpensslAcceptor`
pub fn new(builder: SslAcceptorBuilder) -> Self {
OpensslService {
OpensslAcceptor {
acceptor: builder.build(),
io: PhantomData,
}
@ -40,13 +39,13 @@ impl<T> OpensslService<T> {
});
builder.set_alpn_protos(&protos[..])?;
Ok(OpensslService {
Ok(OpensslAcceptor {
acceptor: builder.build(),
io: PhantomData,
})
}
}
impl<T: AsyncRead + AsyncWrite> Clone for OpensslService<T> {
impl<T: AsyncRead + AsyncWrite> Clone for OpensslAcceptor<T> {
fn clone(&self) -> Self {
Self {
acceptor: self.acceptor.clone(),
@ -55,69 +54,102 @@ impl<T: AsyncRead + AsyncWrite> Clone for OpensslService<T> {
}
}
impl<T: AsyncRead + AsyncWrite> NewService for OpensslService<T> {
impl<T: AsyncRead + AsyncWrite> NewService for OpensslAcceptor<T> {
type Request = T;
type Response = SslStream<T>;
type Error = io::Error;
type Service = OpensslAcceptor<T>;
type Error = Error;
type Service = OpensslAcceptorService<T>;
type InitError = io::Error;
type Future = FutureResult<Self::Service, io::Error>;
fn new_service(&self) -> Self::Future {
future::ok(OpensslAcceptor {
future::ok(OpensslAcceptorService {
acceptor: self.acceptor.clone(),
io: PhantomData,
})
}
}
pub struct OpensslAcceptor<T> {
pub struct OpensslAcceptorService<T> {
acceptor: SslAcceptor,
io: PhantomData<T>,
}
impl<T: AsyncRead + AsyncWrite> Service for OpensslAcceptor<T> {
impl<T: AsyncRead + AsyncWrite> Service for OpensslAcceptorService<T> {
type Request = T;
type Response = SslStream<T>;
type Error = io::Error;
type Future = AcceptorFuture<T>;
type Error = Error;
type Future = AcceptAsync<T>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Self::Request) -> Self::Future {
AcceptorFuture(SslAcceptorExt::accept_async(&self.acceptor, req))
SslAcceptorExt::accept_async(&self.acceptor, req)
}
}
pub struct AcceptorFuture<T>(AcceptAsync<T>);
/// Openssl connector factory
pub struct OpensslConnector<T> {
connector: SslConnector,
io: PhantomData<T>,
}
impl<T: AsyncRead + AsyncWrite> Future for AcceptorFuture<T> {
type Item = SslStream<T>;
type Error = io::Error;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.0
.poll()
.map_err(|e| io::Error::new(io::ErrorKind::Other, e))
impl<T> OpensslConnector<T> {
pub fn new(connector: SslConnector) -> Self {
OpensslConnector {
connector,
io: PhantomData,
}
}
}
// impl<T: IoStream> IoStream for SslStream<T> {
// #[inline]
// fn shutdown(&mut self, _how: Shutdown) -> io::Result<()> {
// let _ = self.get_mut().shutdown();
// Ok(())
// }
impl<T> Clone for OpensslConnector<T> {
fn clone(&self) -> Self {
Self {
connector: self.connector.clone(),
io: PhantomData,
}
}
}
// #[inline]
// fn set_nodelay(&mut self, nodelay: bool) -> io::Result<()> {
// self.get_mut().get_mut().set_nodelay(nodelay)
// }
impl<T: AsyncRead + AsyncWrite> NewService for OpensslConnector<T> {
type Request = T;
type Response = SslStream<T>;
type Error = Error;
type Service = OpensslConnectorService<T>;
type InitError = io::Error;
type Future = FutureResult<Self::Service, Self::InitError>;
// #[inline]
// fn set_linger(&mut self, dur: Option<time::Duration>) -> io::Result<()> {
// self.get_mut().get_mut().set_linger(dur)
// }
// }
fn new_service(&self) -> Self::Future {
future::ok(OpensslConnectorService {
connector: self.connector.clone(),
io: PhantomData,
})
}
}
pub trait OpensslDomain {
fn domain(&self) -> &str;
}
pub struct OpensslConnectorService<T> {
connector: SslConnector,
io: PhantomData<T>,
}
impl<T: AsyncRead + AsyncWrite> Service for OpensslConnectorService<T> {
type Request = T;
type Response = SslStream<T>;
type Error = Error;
type Future = ConnectAsync<T>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, req: Self::Request) -> Self::Future {
SslConnectorExt::connect_async(&self.connector, "", req)
}
}