test_runners_elf_lib/
launcher.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
// Copyright 2021 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 async_trait::async_trait;
use lazy_static::lazy_static;
use test_runners_lib::elf::{Component, KernelError};
use test_runners_lib::errors::*;
use test_runners_lib::launch;
use test_runners_lib::logs::LoggerStream;
use zx::{self as zx, HandleBased};
use {fidl_fuchsia_process as fproc, fuchsia_runtime as runtime};

lazy_static! {
    static ref NEXT_VDSO: zx::Handle = {
        runtime::take_startup_handle(runtime::HandleInfo::new(runtime::HandleType::VdsoVmo, 0))
            .expect("failed to take next vDSO handle")
    };
}

#[async_trait]
pub trait ComponentLauncher: Sized + Sync + Send {
    /// Convenience wrapper around [`launch::launch_process`].
    async fn launch_process(
        &self,
        component: &Component,
        args: Vec<String>,
    ) -> Result<(zx::Process, launch::ScopedJob, LoggerStream, LoggerStream), RunTestError>;
}

#[derive(Default)]
pub struct ElfComponentLauncher {}

#[async_trait]
impl ComponentLauncher for ElfComponentLauncher {
    /// Convenience wrapper around [`launch::launch_process`].
    async fn launch_process(
        &self,
        component: &Component,
        args: Vec<String>,
    ) -> Result<(zx::Process, launch::ScopedJob, LoggerStream, LoggerStream), RunTestError> {
        let (client_end, loader) = fidl::endpoints::create_endpoints();
        component.loader_service(loader);
        let executable_vmo = Some(component.executable_vmo()?);
        let handle_infos = vec![fproc::HandleInfo {
            handle: (*NEXT_VDSO)
                .duplicate_handle(zx::Rights::SAME_RIGHTS)
                .map_err(launch::LaunchError::DuplicateVdso)?,
            id: runtime::HandleInfo::new(runtime::HandleType::VdsoVmo, 0).as_raw(),
        }];

        Ok(launch::launch_process_with_separate_std_handles(launch::LaunchProcessArgs {
            bin_path: &component.binary,
            process_name: &component.name,
            job: Some(component.job.create_child_job().map_err(KernelError::CreateJob).unwrap()),
            ns: component.ns.clone(),
            args: Some(args),
            name_infos: None,
            environs: component.environ.clone(),
            handle_infos: Some(handle_infos),
            loader_proxy_chan: Some(client_end.into_channel()),
            executable_vmo,
            options: component.options,
            config_vmo: component.config_vmo()?,
        })
        .await?)
    }
}

impl ElfComponentLauncher {
    pub fn new() -> Self {
        Self {}
    }
}