| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #![feature(async_await, await_macro, futures_api)] |
| |
| use failure::{Error, ResultExt}; |
| use fidl_fidl_examples_echo::{EchoRequest, EchoRequestStream}; |
| use fuchsia_component::server::ServiceFs; |
| use fuchsia_async as fasync; |
| use futures::prelude::*; |
| |
| use std::env; |
| |
| async fn run_echo_server(mut stream: EchoRequestStream, quiet: bool) -> Result<(), Error> { |
| while let Some(EchoRequest::EchoString { value, responder }) = |
| await!(stream.try_next()).context("error running echo server")? |
| { |
| if !quiet { |
| println!("Received echo request for string {:?}", value); |
| } |
| responder.send(value.as_ref().map(|s| &**s)).context("error sending response")?; |
| if !quiet { |
| println!("echo response sent successfully"); |
| } |
| } |
| Ok(()) |
| } |
| |
| enum IncomingServices { |
| Echo(EchoRequestStream), |
| // ... more services here |
| } |
| |
| #[fasync::run_singlethreaded] |
| async fn main() -> Result<(), Error> { |
| let quiet = env::args().any(|arg| arg == "-q"); |
| |
| let mut fs = ServiceFs::new_local(); |
| fs.dir("public") |
| .add_fidl_service(IncomingServices::Echo); |
| |
| fs.take_and_serve_directory_handle()?; |
| |
| const MAX_CONCURRENT: usize = 10_000; |
| let fut = fs.for_each_concurrent(MAX_CONCURRENT, |IncomingServices::Echo(stream)| |
| run_echo_server(stream, quiet) |
| .unwrap_or_else(|e| println!("{:?}", e)) |
| ); |
| |
| await!(fut); |
| Ok(()) |
| } |