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update basic example

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This commit is contained in:
Nikolay Kim 2019-03-05 22:16:42 -08:00
parent 5c8aaba5f9
commit 71e83fb87c
3 changed files with 79 additions and 75 deletions
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2
async_db/Cargo.toml
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@ -11,7 +11,7 @@ dotenv = "0.10"
env_logger = "0.5"
failure = "0.1.1"
futures = "0.1"
num_cpus = "1.8.0"
num_cpus = "1.10.0"
r2d2 = "0.8.2"
r2d2_sqlite = "0.5.0"
serde = "1.0"

11
basics/Cargo.toml
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@ -1,13 +1,16 @@
[package]
name = "basics"
version = "0.1.0"
version = "1.0.0"
authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
workspace = "../"
edition = "2018"
[dependencies]
actix = "0.7"
actix-web = "0.7"
actix-rt = "0.1"
actix-web = { git="https://github.com/actix/actix-web.git", branch = "1.0" }
actix-session = { git="https://github.com/actix/actix-web.git", branch = "1.0" }
actix-staticfiles = { git="https://github.com/actix/actix-web.git", branch = "1.0" }
futures = "0.1"
futures = "0.1.25"
env_logger = "0.5"
bytes = "0.4"

141
basics/src/main.rs
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@ -1,43 +1,34 @@
#![allow(unused_variables)]
#![cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
extern crate actix;
extern crate actix_web;
extern crate bytes;
extern crate env_logger;
extern crate futures;
use bytes::Bytes;
use futures::sync::mpsc;
use futures::Stream;
use actix_web::http::{header, Method, StatusCode};
use actix_web::middleware::session::{self, RequestSession};
use actix_web::{
error, fs, middleware, pred, server, App, Error, HttpRequest, HttpResponse, Path,
Result,
};
use futures::future::{result, FutureResult};
use std::{env, io};
use actix_session::{CookieSession, Session};
use actix_staticfiles as fs;
use actix_web::extract::Path;
use actix_web::http::{header, Method, StatusCode};
use actix_web::{
error, guard, web, App, Error, HttpRequest, HttpResponse, HttpServer, Result,
};
use bytes::Bytes;
use futures::unsync::mpsc;
use futures::{future::ok, Future, Stream};
/// favicon handler
fn favicon(req: &HttpRequest) -> Result<fs::NamedFile> {
fn favicon() -> Result<fs::NamedFile> {
Ok(fs::NamedFile::open("static/favicon.ico")?)
}
/// simple index handler
fn welcome(req: &HttpRequest) -> Result<HttpResponse> {
fn welcome(session: Session, req: HttpRequest) -> Result<HttpResponse> {
println!("{:?}", req);
// session
let mut counter = 1;
if let Some(count) = req.session().get::<i32>("counter")? {
if let Some(count) = session.get::<i32>("counter")? {
println!("SESSION value: {}", count);
counter = count + 1;
}
// set counter to session
req.session().set("counter", counter)?;
session.set("counter", counter)?;
// response
Ok(HttpResponse::build(StatusCode::OK)
@ -46,17 +37,17 @@ fn welcome(req: &HttpRequest) -> Result<HttpResponse> {
}
/// 404 handler
fn p404(req: &HttpRequest) -> Result<fs::NamedFile> {
fn p404() -> Result<fs::NamedFile> {
Ok(fs::NamedFile::open("static/404.html")?.set_status_code(StatusCode::NOT_FOUND))
}
/// async handler
fn index_async(req: &HttpRequest) -> FutureResult<HttpResponse, Error> {
fn index_async(req: HttpRequest) -> impl Future<Item = HttpResponse, Error = Error> {
println!("{:?}", req);
result(Ok(HttpResponse::Ok().content_type("text/html").body(
format!("Hello {}!", req.match_info().get("name").unwrap()),
)))
ok(HttpResponse::Ok()
.content_type("text/html")
.body(format!("Hello {}!", req.match_info().get("name").unwrap())))
}
/// async body
@ -67,76 +58,86 @@ fn index_async_body(path: Path<String>) -> HttpResponse {
let _ = tx.unbounded_send(Bytes::from(text.as_bytes()));
HttpResponse::Ok()
.streaming(rx_body.map_err(|e| error::ErrorBadRequest("bad request")))
.streaming(rx_body.map_err(|_| error::ErrorBadRequest("bad request")))
}
/// handler with path parameters like `/user/{name}/`
fn with_param(req: &HttpRequest) -> HttpResponse {
fn with_param(req: HttpRequest, path: Path<(String,)>) -> HttpResponse {
println!("{:?}", req);
HttpResponse::Ok()
.content_type("text/plain")
.body(format!("Hello {}!", req.match_info().get("name").unwrap()))
.body(format!("Hello {}!", path.0))
}
fn main() {
fn main() -> io::Result<()> {
env::set_var("RUST_LOG", "actix_web=debug");
env::set_var("RUST_BACKTRACE", "1");
env_logger::init();
let sys = actix::System::new("basic-example");
let sys = actix_rt::System::new("basic-example");
let addr = server::new(
|| App::new()
HttpServer::new(|| {
App::new()
// enable logger
.middleware(middleware::Logger::default())
// .middleware(middleware::Logger::default())
// cookie session middleware
.middleware(session::SessionStorage::new(
session::CookieSessionBackend::signed(&[0; 32]).secure(false)
))
.middleware(CookieSession::signed(&[0; 32]).secure(false))
// register favicon
.resource("/favicon", |r| r.f(favicon))
.resource("/favicon", |r| r.to(favicon))
// register simple route, handle all methods
.resource("/welcome", |r| r.f(welcome))
.resource("/welcome", |r| r.to(welcome))
// with path parameters
.resource("/user/{name}", |r| r.method(Method::GET).f(with_param))
.resource("/user/{name}", |r| r.route(web::get().to(with_param)))
// async handler
.resource("/async/{name}", |r| r.method(Method::GET).a(index_async))
.resource("/async/{name}", |r| {
r.route(web::get().to_async(index_async))
})
// async handler
.resource("/async-body/{name}", |r| r.method(Method::GET).with(index_async_body))
.resource("/test", |r| r.f(|req| {
match *req.method() {
.resource("/async-body/{name}", |r| {
r.route(web::get().to(index_async_body))
})
.resource("/test", |r| {
r.to(|req: HttpRequest| match *req.method() {
Method::GET => HttpResponse::Ok(),
Method::POST => HttpResponse::MethodNotAllowed(),
_ => HttpResponse::NotFound(),
}
}))
.resource("/error", |r| r.f(|req| {
error::InternalError::new(
io::Error::new(io::ErrorKind::Other, "test"), StatusCode::INTERNAL_SERVER_ERROR)
}))
})
})
.resource("/error", |r| {
r.to(|| {
error::InternalError::new(
io::Error::new(io::ErrorKind::Other, "test"),
StatusCode::INTERNAL_SERVER_ERROR,
)
})
})
// static files
.handler("/static", fs::StaticFiles::new("static").unwrap())
.service(fs::StaticFiles::new("/static", "static").unwrap())
// redirect
.resource("/", |r| r.method(Method::GET).f(|req| {
println!("{:?}", req);
HttpResponse::Found()
.header(header::LOCATION, "static/welcome.html")
.finish()
}))
.resource("/", |r| {
r.route(web::get().to(|req: HttpRequest| {
println!("{:?}", req);
HttpResponse::Found()
.header(header::LOCATION, "static/welcome.html")
.finish()
}))
})
// default
.default_resource(|r| {
// 404 for GET request
r.method(Method::GET).f(p404);
// all requests that are not `GET`
r.route().filter(pred::Not(pred::Get())).f(
|req| HttpResponse::MethodNotAllowed());
}))
.bind("127.0.0.1:8080").expect("Can not bind to 127.0.0.1:8080")
.shutdown_timeout(0) // <- Set shutdown timeout to 0 seconds (default 60s)
.start();
r.route(web::get().to(p404))
// all requests that are not `GET`
.route(
web::route()
.guard(guard::Not(guard::Get()))
.to(|| HttpResponse::MethodNotAllowed()),
)
})
})
.bind("127.0.0.1:8080")?
.start();
println!("Starting http server: 127.0.0.1:8080");
let _ = sys.run();
Ok(())
}