test_runners_elf_lib/
launcher.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use async_trait::async_trait;
6use lazy_static::lazy_static;
7use test_runners_lib::elf::{Component, KernelError};
8use test_runners_lib::errors::*;
9use test_runners_lib::launch;
10use test_runners_lib::logs::LoggerStream;
11use zx::{self as zx, HandleBased};
12use {fidl_fuchsia_process as fproc, fuchsia_runtime as runtime};
13
14lazy_static! {
15    static ref NEXT_VDSO: zx::Handle = {
16        runtime::take_startup_handle(runtime::HandleInfo::new(runtime::HandleType::VdsoVmo, 0))
17            .expect("failed to take next vDSO handle")
18    };
19}
20
21#[async_trait]
22pub trait ComponentLauncher: Sized + Sync + Send {
23    /// Convenience wrapper around [`launch::launch_process`].
24    async fn launch_process(
25        &self,
26        component: &Component,
27        args: Vec<String>,
28    ) -> Result<(zx::Process, launch::ScopedJob, LoggerStream, LoggerStream), RunTestError>;
29}
30
31#[derive(Default)]
32pub struct ElfComponentLauncher {}
33
34#[async_trait]
35impl ComponentLauncher for ElfComponentLauncher {
36    /// Convenience wrapper around [`launch::launch_process`].
37    async fn launch_process(
38        &self,
39        component: &Component,
40        args: Vec<String>,
41    ) -> Result<(zx::Process, launch::ScopedJob, LoggerStream, LoggerStream), RunTestError> {
42        let (client_end, loader) = fidl::endpoints::create_endpoints();
43        component.loader_service(loader);
44        let executable_vmo = Some(component.executable_vmo()?);
45        let handle_infos = vec![fproc::HandleInfo {
46            handle: (*NEXT_VDSO)
47                .duplicate_handle(zx::Rights::SAME_RIGHTS)
48                .map_err(launch::LaunchError::DuplicateVdso)?,
49            id: runtime::HandleInfo::new(runtime::HandleType::VdsoVmo, 0).as_raw(),
50        }];
51
52        Ok(launch::launch_process_with_separate_std_handles(launch::LaunchProcessArgs {
53            bin_path: &component.binary,
54            process_name: &component.name,
55            job: Some(component.job.create_child_job().map_err(KernelError::CreateJob).unwrap()),
56            ns: component.ns.clone(),
57            args: Some(args),
58            name_infos: None,
59            environs: component.environ.clone(),
60            handle_infos: Some(handle_infos),
61            loader_proxy_chan: Some(client_end.into_channel()),
62            executable_vmo,
63            options: component.options,
64            config_vmo: component.config_vmo()?,
65            url: Some(component.url.clone()),
66            component_instance: component
67                .component_instance
68                .as_ref()
69                .map(|c| c.duplicate_handle(zx::Rights::SAME_RIGHTS).unwrap()),
70        })
71        .await?)
72    }
73}
74
75impl ElfComponentLauncher {
76    pub fn new() -> Self {
77        Self {}
78    }
79}
test_runners_elf_lib/launcher.rs

test_runners_elf_lib/
launcher.rs
