brightness_manager_config/
brightness_manager_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_brightnessmanagerconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0xe0, 0xaa, 0x2e, 0x12, 0xcb, 0x94, 0x4e, 0xb0, 0x38, 0x64, 0x81, 0xdb, 0x40, 0x90, 0xf0, 0xe3,
8    0x0f, 0xa3, 0xf5, 0x1c, 0xcb, 0x9b, 0x0d, 0x21, 0x5c, 0x29, 0xd8, 0xb7, 0xc5, 0xeb, 0x11, 0xf9,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub manage_display_power: bool,
13    pub power_off_delay_millis: u16,
14    pub power_on_delay_millis: u16,
15}
16impl Config {
17    #[doc = r" Take the config startup handle and parse its contents."]
18    #[doc = r""]
19    #[doc = r" # Panics"]
20    #[doc = r""]
21    #[doc = r" If the config startup handle was already taken or if it is not valid."]
22    pub fn take_from_startup_handle() -> Self {
23        <Self as ComponentConfig>::take_from_startup_handle()
24    }
25    #[doc = r" Parse `Self` from `vmo`."]
26    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
27        <Self as ComponentConfig>::from_vmo(vmo)
28    }
29    #[doc = r" Parse `Self` from `bytes`."]
30    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
31        <Self as ComponentConfig>::from_bytes(bytes)
32    }
33    pub fn record_inspect(&self, inspector_node: &Node) {
34        <Self as ComponentConfig>::record_inspect(self, inspector_node)
35    }
36}
37impl ComponentConfig for Config {
38    #[doc = r" Parse `Self` from `bytes`."]
39    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
40        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
41        let checksum_len_bytes: [u8; 2] =
42            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
43        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
44        let (observed_checksum, bytes) =
45            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
46        if observed_checksum != EXPECTED_CHECKSUM {
47            return Err(Error::ChecksumMismatch {
48                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
49                observed_checksum: observed_checksum.to_vec(),
50            });
51        }
52        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
53        Ok(Self {
54            manage_display_power: fidl_config.manage_display_power,
55            power_off_delay_millis: fidl_config.power_off_delay_millis,
56            power_on_delay_millis: fidl_config.power_on_delay_millis,
57        })
58    }
59    fn record_inspect(&self, inspector_node: &Node) {
60        inspector_node.record_bool("manage_display_power", self.manage_display_power);
61        inspector_node.record_uint("power_off_delay_millis", self.power_off_delay_millis as u64);
62        inspector_node.record_uint("power_on_delay_millis", self.power_on_delay_millis as u64);
63    }
64}
brightness_manager_config/brightness_manager_config_rust_config_lib_source.rs

brightness_manager_config/
brightness_manager_config_rust_config_lib_source.rs
