I'm using the Actix framework to create a simple server and I've implemented a file upload using a simple HTML frontend.
use actix_web::web::Data;
use actix_web::{middleware, web, App, HttpResponse, HttpServer};
use std::cell::Cell;
// file upload functions, the same as you can find it under the
// actix web documentation:
// https://github.com/actix/examples/blob/master/multipart/src/main.rs :
mod upload;
fn index() -> HttpResponse {
let html = r#"<html>
<head><title>Upload Test</title></head>
<body>
<form target="/" method="post" enctype="multipart/form-data">
<input type="file" name="file"/>
<input type="submit" value="Submit"></button>
</form>
</body>
</html>"#;
HttpResponse::Ok().body(html)
}
#[derive(Clone)]
pub struct AppState {
counter: Cell<usize>,
}
impl AppState {
fn new() -> Result<Self, Error> {
// some stuff
Ok(AppState {
counter: Cell::new(0usize),
})
}
}
fn main() {
let app_state = AppState::new().unwrap();
println!("Started http server: http://127.0.0.1:8000");
HttpServer::new(move || {
App::new()
.wrap(middleware::Logger::default())
.service(
web::resource("/")
.route(web::get().to(index))
.route(web::post().to_async(upload::upload)),
)
.data(app_state.clone())
})
.bind("127.0.0.1:8000")
.unwrap()
.run()
.unwrap();
}
Running the server works fine, but when I submit the file upload, it says:
App data is not configured, to configure use App::data()
I don't know what to do.
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