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use crate::{App, Model, Request, Response};
use std::cell::UnsafeCell;
use std::net::SocketAddr;
use std::ops::{Deref, DerefMut};
use std::rc::Rc;
pub struct Context<M: Model>(Rc<UnsafeCell<Ctx<M>>>);
unsafe impl<M: Model> Send for Context<M> {}
unsafe impl<M: Model> Sync for Context<M> {}
impl<M: Model> Context<M> {
pub fn new(request: Request, app: App<M>, peer_addr: SocketAddr) -> Self {
Ctx::new(request, app, peer_addr).into()
}
}
impl<M: Model> Clone for Context<M> {
fn clone(&self) -> Self {
Self(self.0.clone())
}
}
impl<M: Model> Deref for Context<M> {
type Target = Ctx<M>;
fn deref(&self) -> &Self::Target {
unsafe { &*self.0.get() }
}
}
impl<M: Model> DerefMut for Context<M> {
fn deref_mut(&mut self) -> &mut Self::Target {
unsafe { &mut *self.0.get() }
}
}
impl<M: Model> Deref for Ctx<M> {
type Target = M::State;
fn deref(&self) -> &Self::Target {
&self.state
}
}
impl<M: Model> DerefMut for Ctx<M> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.state
}
}
impl<M: Model> From<Ctx<M>> for Context<M> {
fn from(ctx: Ctx<M>) -> Self {
Self(Rc::new(UnsafeCell::new(ctx)))
}
}
pub struct Ctx<M: Model> {
pub request: Request,
pub response: Response,
pub app: App<M>,
pub state: M::State,
pub peer_addr: SocketAddr,
}
impl<M: Model> Ctx<M> {
fn new(request: Request, app: App<M>, peer_addr: SocketAddr) -> Self {
let state = app.model.new_state();
Self {
request,
response: Response::new(),
app,
state,
peer_addr,
}
}
}
impl Ctx<()> {
pub fn fake(request: Request) -> Self {
use std::net::{IpAddr, Ipv4Addr};
let peer_addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080);
Self {
request,
response: Response::new(),
app: crate::Middleware::new().app(()),
state: (),
peer_addr,
}
}
}