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update example

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This commit is contained in:
Nikolay Kim 2018-01-28 01:04:58 -08:00
parent 7c7743c145
commit 55b2fb7f77
7 changed files with 68 additions and 44 deletions
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2
.travis.yml
View file

@ -60,7 +60,7 @@ script:
cd examples/template_tera && cargo check && cd ../..
cd examples/diesel && cargo check && cd ../..
cd examples/tls && cargo check && cd ../..
# cd examples/websocket-chat && cargo check && cd ../..
cd examples/websocket-chat && cargo check && cd ../..
cd examples/websocket && cargo check && cd ../..
fi
- |

2
examples/websocket-chat/Cargo.toml
View file

@ -25,5 +25,5 @@ serde = "1.0"
serde_json = "1.0"
serde_derive = "1.0"
actix = "^0.4.2"
actix = { git="https://github.com/actix/actix.git" }
actix-web = { path="../../" }

36
examples/websocket-chat/src/client.rs
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@ -12,6 +12,7 @@ use std::{io, net, process, thread};
use std::str::FromStr;
use std::time::Duration;
use futures::Future;
use tokio_io::AsyncRead;
use tokio_core::net::TcpStream;
use actix::prelude::*;
@ -26,7 +27,9 @@ fn main() {
Arbiter::handle().spawn(
TcpStream::connect(&addr, Arbiter::handle())
.and_then(|stream| {
let addr: SyncAddress<_> = ChatClient.framed(stream, codec::ClientChatCodec);
let addr: SyncAddress<_> = ChatClient::create_with(
stream.framed(codec::ClientChatCodec),
|_, framed| ChatClient{framed: framed});
// start console loop
thread::spawn(move|| {
@ -54,20 +57,22 @@ fn main() {
}
struct ChatClient;
struct ChatClient {
framed: FramedCell<TcpStream, codec::ClientChatCodec>,
}
#[derive(Message)]
struct ClientCommand(String);
impl Actor for ChatClient {
type Context = FramedContext<Self>;
type Context = Context<Self>;
fn started(&mut self, ctx: &mut FramedContext<Self>) {
fn started(&mut self, ctx: &mut Context<Self>) {
// start heartbeats otherwise server will disconnect after 10 seconds
self.hb(ctx)
}
fn stopping(&mut self, _: &mut FramedContext<Self>) -> bool {
fn stopping(&mut self, _: &mut Context<Self>) -> bool {
println!("Disconnected");
// Stop application on disconnect
@ -78,11 +83,10 @@ impl Actor for ChatClient {
}
impl ChatClient {
fn hb(&self, ctx: &mut FramedContext<Self>) {
fn hb(&self, ctx: &mut Context<Self>) {
ctx.run_later(Duration::new(1, 0), |act, ctx| {
if ctx.send(codec::ChatRequest::Ping).is_ok() {
act.hb(ctx);
}
act.framed.send(codec::ChatRequest::Ping);
act.hb(ctx);
});
}
}
@ -91,7 +95,7 @@ impl ChatClient {
impl Handler<ClientCommand> for ChatClient {
type Result = ();
fn handle(&mut self, msg: ClientCommand, ctx: &mut FramedContext<Self>) {
fn handle(&mut self, msg: ClientCommand, _: &mut Context<Self>) {
let m = msg.0.trim();
if m.is_empty() {
return
@ -102,11 +106,11 @@ impl Handler<ClientCommand> for ChatClient {
let v: Vec<&str> = m.splitn(2, ' ').collect();
match v[0] {
"/list" => {
let _ = ctx.send(codec::ChatRequest::List);
let _ = self.framed.send(codec::ChatRequest::List);
},
"/join" => {
if v.len() == 2 {
let _ = ctx.send(codec::ChatRequest::Join(v[1].to_owned()));
let _ = self.framed.send(codec::ChatRequest::Join(v[1].to_owned()));
} else {
println!("!!! room name is required");
}
@ -114,18 +118,16 @@ impl Handler<ClientCommand> for ChatClient {
_ => println!("!!! unknown command"),
}
} else {
let _ = ctx.send(codec::ChatRequest::Message(m.to_owned()));
let _ = self.framed.send(codec::ChatRequest::Message(m.to_owned()));
}
}
}
/// Server communication
impl FramedActor for ChatClient {
type Io = TcpStream;
type Codec = codec::ClientChatCodec;
impl FramedActor<TcpStream, codec::ClientChatCodec> for ChatClient {
fn handle(&mut self, msg: io::Result<codec::ChatResponse>, ctx: &mut FramedContext<Self>) {
fn handle(&mut self, msg: io::Result<codec::ChatResponse>, ctx: &mut Context<Self>) {
match msg {
Err(_) => ctx.stop(),
Ok(msg) => match msg {

4
examples/websocket-chat/src/main.rs
View file

@ -62,9 +62,9 @@ impl Actor for WsChatSession {
// before processing any other events.
// HttpContext::state() is instance of WsChatSessionState, state is shared across all
// routes within application
let subs = ctx.sync_subscriber();
let addr: SyncAddress<_> = ctx.address();
ctx.state().addr.call(
self, server::Connect{addr: subs}).then(
self, server::Connect{addr: addr.into_subscriber()}).then(
|res, act, ctx| {
match res {
Ok(Ok(res)) => act.id = res,

44
examples/websocket-chat/src/session.rs
View file

@ -4,6 +4,7 @@ use std::{io, net};
use std::str::FromStr;
use std::time::{Instant, Duration};
use futures::Stream;
use tokio_io::AsyncRead;
use tokio_core::net::{TcpStream, TcpListener};
use actix::prelude::*;
@ -26,12 +27,14 @@ pub struct ChatSession {
hb: Instant,
/// joined room
room: String,
/// Framed wrapper
framed: FramedCell<TcpStream, ChatCodec>,
}
impl Actor for ChatSession {
/// For tcp communication we are going to use `FramedContext`.
/// It is convenient wrapper around `Framed` object from `tokio_io`
type Context = FramedContext<Self>;
type Context = Context<Self>;
fn started(&mut self, ctx: &mut Self::Context) {
// we'll start heartbeat process on session start.
@ -41,7 +44,7 @@ impl Actor for ChatSession {
// future within context, but context waits until this future resolves
// before processing any other events.
let addr: SyncAddress<_> = ctx.address();
self.addr.call(self, server::Connect{addr: addr.subscriber()})
self.addr.call(self, server::Connect{addr: addr.into_subscriber()})
.then(|res, act, ctx| {
match res {
Ok(Ok(res)) => act.id = res,
@ -59,23 +62,21 @@ impl Actor for ChatSession {
}
}
/// To use `FramedContext` we have to define Io type and Codec
impl FramedActor for ChatSession {
type Io = TcpStream;
type Codec= ChatCodec;
/// To use `Framed` we have to define Io type and Codec
impl FramedActor<TcpStream, ChatCodec> for ChatSession {
/// This is main event loop for client requests
fn handle(&mut self, msg: io::Result<ChatRequest>, ctx: &mut FramedContext<Self>) {
fn handle(&mut self, msg: io::Result<ChatRequest>, ctx: &mut Context<Self>) {
match msg {
Err(_) => ctx.stop(),
Ok(msg) => match msg {
ChatRequest::List => {
// Send ListRooms message to chat server and wait for response
println!("List rooms");
self.addr.call(self, server::ListRooms).then(|res, _, ctx| {
self.addr.call(self, server::ListRooms).then(|res, act, ctx| {
match res {
Ok(Ok(rooms)) => {
let _ = ctx.send(ChatResponse::Rooms(rooms));
let _ = act.framed.send(ChatResponse::Rooms(rooms));
},
_ => println!("Something is wrong"),
}
@ -88,7 +89,7 @@ impl FramedActor for ChatSession {
println!("Join to room: {}", name);
self.room = name.clone();
self.addr.send(server::Join{id: self.id, name: name.clone()});
let _ = ctx.send(ChatResponse::Joined(name));
let _ = self.framed.send(ChatResponse::Joined(name));
},
ChatRequest::Message(message) => {
// send message to chat server
@ -110,23 +111,25 @@ impl FramedActor for ChatSession {
impl Handler<Message> for ChatSession {
type Result = ();
fn handle(&mut self, msg: Message, ctx: &mut FramedContext<Self>) {
fn handle(&mut self, msg: Message, ctx: &mut Context<Self>) {
// send message to peer
let _ = ctx.send(ChatResponse::Message(msg.0));
let _ = self.framed.send(ChatResponse::Message(msg.0));
}
}
/// Helper methods
impl ChatSession {
pub fn new(addr: SyncAddress<ChatServer>) -> ChatSession {
ChatSession {id: 0, addr: addr, hb: Instant::now(), room: "Main".to_owned()}
pub fn new(addr: SyncAddress<ChatServer>,
framed: FramedCell<TcpStream, ChatCodec>) -> ChatSession {
ChatSession {id: 0, addr: addr, hb: Instant::now(),
room: "Main".to_owned(), framed: framed}
}
/// helper method that sends ping to client every second.
///
/// also this method check heartbeats from client
fn hb(&self, ctx: &mut FramedContext<Self>) {
fn hb(&self, ctx: &mut Context<Self>) {
ctx.run_later(Duration::new(1, 0), |act, ctx| {
// check client heartbeats
if Instant::now().duration_since(act.hb) > Duration::new(10, 0) {
@ -140,10 +143,9 @@ impl ChatSession {
ctx.stop();
}
if ctx.send(ChatResponse::Ping).is_ok() {
// if we can not send message to sink, sink is closed (disconnected)
act.hb(ctx);
}
act.framed.send(ChatResponse::Ping);
// if we can not send message to sink, sink is closed (disconnected)
act.hb(ctx);
});
}
}
@ -192,6 +194,8 @@ impl Handler<TcpConnect> for TcpServer {
// For each incoming connection we create `ChatSession` actor
// with out chat server address.
let server = self.chat.clone();
let _: () = ChatSession::new(server).framed(msg.0, ChatCodec);
let _: () = ChatSession::create_with(msg.0.framed(ChatCodec), |_, framed| {
ChatSession::new(server, framed)
});
}
}

2
examples/websocket/Cargo.toml
View file

@ -15,6 +15,6 @@ path = "src/client.rs"
env_logger = "*"
futures = "0.1"
tokio-core = "0.1"
#actix = "^0.4.2"
#actix = "^0.4.6"
actix = { git = "https://github.com/actix/actix.git" }
actix-web = { path="../../" }

22
src/server/srv.rs
View file

@ -477,8 +477,10 @@ impl<T, A, H, U, V> HttpServer<WrapperStream<T>, A, H, U>
// start server
let signals = self.subscribe_to_signals();
let addr: SyncAddress<_> = HttpServer::create(move |ctx| {
ctx.add_stream(stream.map(
move |(t, _)| Conn{io: WrapperStream::new(t), peer: None, http2: false}));
ctx.add_message_stream(
stream
.map_err(|_| ())
.map(move |(t, _)| Conn{io: WrapperStream::new(t), peer: None, http2: false}));
self
});
signals.map(|signals| signals.send(
@ -542,6 +544,22 @@ impl<T, A, H, U, V> Handler<io::Result<Conn<T>>> for HttpServer<T, A, H, U>
}
}
impl<T, A, H, U, V> Handler<Conn<T>> for HttpServer<T, A, H, U>
where T: IoStream,
H: HttpHandler + 'static,
U: IntoIterator<Item=V> + 'static,
V: IntoHttpHandler<Handler=H>,
A: 'static,
{
type Result = ();
fn handle(&mut self, msg: Conn<T>, _: &mut Context<Self>) -> Self::Result {
Arbiter::handle().spawn(
HttpChannel::new(
Rc::clone(self.h.as_ref().unwrap()), msg.io, msg.peer, msg.http2));
}
}
impl<T, A, H, U, V> Handler<PauseServer> for HttpServer<T, A, H, U>
where T: IoStream,
H: HttpHandler + 'static,