sl4f_lib/hardware_power_statecontrol/
facade.rs

1// Copyright 2020 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 crate::common_utils::common::macros::{fx_err_and_bail, with_line};
6use anyhow::Error;
7use fidl_fuchsia_hardware_power_statecontrol::{
8    AdminMarker, AdminProxy, RebootOptions, RebootReason2,
9};
10use fuchsia_component as app;
11use log::info;
12
13/// Perform Fuchsia Device Manager fidl operations.
14///
15/// Note this object is shared among all threads created by server.
16///
17#[derive(Debug)]
18pub struct HardwarePowerStatecontrolFacade {}
19
20impl HardwarePowerStatecontrolFacade {
21    pub fn new() -> HardwarePowerStatecontrolFacade {
22        HardwarePowerStatecontrolFacade {}
23    }
24
25    fn get_admin_proxy(&self) -> Result<AdminProxy, Error> {
26        let tag = "HardwarePowerStatecontrolFacade";
27        match app::client::connect_to_protocol::<AdminMarker>() {
28            Ok(p) => Ok(p),
29            Err(err) => fx_err_and_bail!(
30                &with_line!(tag),
31                format_err!("Failed to create device admin proxy: {:?}", err)
32            ),
33        }
34    }
35
36    /// Reboot the Fuchsia device
37    pub async fn suspend_reboot(&self) -> Result<(), Error> {
38        let tag = "HardwarePowerStatecontrolFacade::suspend_reboot";
39        info!("Executing Suspend: REBOOT");
40        if let Err(err) = self
41            .get_admin_proxy()?
42            .perform_reboot(&RebootOptions {
43                reasons: Some(vec![RebootReason2::UserRequest]),
44                ..Default::default()
45            })
46            .await?
47        {
48            fx_err_and_bail!(
49                &with_line!(tag),
50                format_err!("Failed to change power control state: {:?}", err)
51            )
52        }
53        Ok(())
54    }
55
56    /// Reboot the Fuchsia device into the bootloader
57    pub async fn suspend_reboot_bootloader(&self) -> Result<(), Error> {
58        let tag = "HardwarePowerStatecontrolFacade::suspend_reboot_bootloader";
59        info!("Executing Suspend: REBOOT_BOOTLOADER");
60
61        if let Err(err) = self.get_admin_proxy()?.reboot_to_bootloader().await? {
62            fx_err_and_bail!(
63                &with_line!(tag),
64                format_err!("Failed to change power control state: {:?}", err)
65            )
66        }
67        Ok(())
68    }
69
70    /// Reboot the Fuchsia device into recovery
71    pub async fn suspend_reboot_recovery(&self) -> Result<(), Error> {
72        let tag = "HardwarePowerStatecontrolFacade::suspend_reboot_recovery";
73        info!("Executing Suspend: REBOOT_RECOVERY");
74        if let Err(err) = self.get_admin_proxy()?.reboot_to_recovery().await? {
75            fx_err_and_bail!(
76                &with_line!(tag),
77                format_err!("Failed to change power control state: {:?}", err)
78            )
79        }
80        Ok(())
81    }
82
83    /// Power off the Fuchsia device
84    pub async fn suspend_poweroff(&self) -> Result<(), Error> {
85        let tag = "HardwarePowerStatecontrolFacade::suspend_poweroff";
86        info!("Executing Suspend: POWEROFF");
87
88        if let Err(err) = self.get_admin_proxy()?.poweroff().await? {
89            fx_err_and_bail!(
90                &with_line!(tag),
91                format_err!("Failed to change power control state: {:?}", err)
92            )
93        }
94        Ok(())
95    }
96
97    /// Suspend MEXEC the Fuchsia device
98    pub async fn suspend_mexec(&self) -> Result<(), Error> {
99        let tag = "HardwarePowerStatecontrolFacade::suspend_mexec";
100        // We limit mexec access here, as its near-term future is in question.
101        fx_err_and_bail!(&with_line!(tag), format!("Unsupported"))
102    }
103
104    /// RSuspend RAM on the Fuchsia device
105    pub async fn suspend_ram(&self) -> Result<(), Error> {
106        let tag = "HardwarePowerStatecontrolFacade::suspend_ram";
107        info!("Executing Suspend: SUSPEND_RAM");
108        if let Err(err) = self.get_admin_proxy()?.suspend_to_ram().await? {
109            fx_err_and_bail!(
110                &with_line!(tag),
111                format_err!("Failed to change power control state: {:?}", err)
112            )
113        }
114        Ok(())
115    }
116}
sl4f_lib/hardware_power_statecontrol/facade.rs

sl4f_lib/hardware_power_statecontrol/
facade.rs
