boitalettres/examples/simple.rs

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use miette::{IntoDiagnostic, Result};
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use boitalettres::proto::{Request, Response};
use boitalettres::server::accept::addr::{AddrIncoming, AddrStream};
use boitalettres::server::Server;
async fn handle_req(req: Request) -> Result<Response> {
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use imap_codec::types::response::{Capability, Data};
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tracing::debug!("Got request: {:#?}", req);
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let capabilities = vec![Capability::Imap4Rev1, Capability::Idle];
let body = vec![Data::Capability(capabilities)];
Ok(Response::ok("Done")?.with_body(body))
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}
#[tokio::main]
async fn main() -> Result<()> {
setup_logging();
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let incoming = AddrIncoming::new("127.0.0.1:4567")
.await
.into_diagnostic()?;
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let make_service = tower::service_fn(|addr: &AddrStream| {
tracing::debug!(remote_addr = %addr.remote_addr, local_addr = %addr.local_addr, "accept");
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let service = tower::ServiceBuilder::new().service_fn(handle_req);
futures::future::ok::<_, std::convert::Infallible>(service)
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});
let server = Server::new(incoming).serve(make_service);
server.await.map_err(Into::into)
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}
// Don't mind this, this is just for debugging.
fn setup_logging() {
use tracing_subscriber::prelude::*;
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let registry = tracing_subscriber::registry().with(
tracing_subscriber::fmt::layer().with_filter(
tracing_subscriber::filter::Targets::new()
.with_default(tracing::Level::DEBUG)
.with_target("boitalettres", tracing::Level::TRACE)
.with_target("simple", tracing::Level::TRACE)
.with_target("tower", tracing::Level::TRACE)
.with_target("tokio_tower", tracing::Level::TRACE)
.with_target("mio", tracing::Level::TRACE),
),
);
#[cfg(tokio_unstable)]
let registry = registry.with(console_subscriber::spawn());
registry.init();
}