| // Copyright 2020 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. |
| |
| use fuchsia_component::client; |
| use fuchsia_component::server::ServiceFs; |
| use futures::{StreamExt, TryStreamExt}; |
| use tracing::*; |
| use { |
| fidl_fidl_examples_routing_echo as fecho, fidl_fidl_test_components as ftest, |
| fuchsia_async as fasync, |
| }; |
| |
| #[fuchsia::main] |
| async fn main() { |
| let mut fs = ServiceFs::new_local(); |
| fs.dir("svc").add_fidl_service(move |stream| { |
| fasync::Task::local(async move { |
| run_trigger_service(stream).await; |
| }) |
| .detach(); |
| }); |
| fs.take_and_serve_directory_handle().expect("failed to serve outgoing directory"); |
| fs.collect::<()>().await; |
| } |
| |
| async fn run_trigger_service(mut stream: ftest::TriggerRequestStream) { |
| // Attempt to connect to the Echo capability (a component manager namespace capability) |
| let echo = |
| client::connect_to_protocol::<fecho::EchoMarker>().expect("error connecting to echo"); |
| while let Some(event) = stream.try_next().await.expect("failed to serve trigger service") { |
| info!("Received trigger invocation"); |
| let ftest::TriggerRequest::Run { responder } = event; |
| let args: Vec<_> = std::env::args().collect(); |
| let echo_str = args[1..].join(" "); |
| |
| let out = echo.echo_string(Some(&echo_str)).await.expect("echo_string failed"); |
| let out = out.expect("empty echo result"); |
| |
| // Attempt to open test-pkg (a component manager namespace capability) |
| let file = fuchsia_fs::file::open_in_namespace( |
| "/test-pkg/data/testdata", |
| fuchsia_fs::OpenFlags::RIGHT_READABLE, |
| ) |
| .expect("could not open testdata"); |
| let contents = fuchsia_fs::file::read_to_string(&file).await.expect("could not read file"); |
| assert_eq!(contents, "Hello world!\n"); |
| |
| responder.send(&out).expect("failed to send trigger response"); |
| info!("Sent trigger response"); |
| } |
| } |