bt_init_config/
bt_init_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_btinitconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x4f, 0x82, 0xfb, 0x4a, 0x06, 0x55, 0x45, 0xf6, 0x0e, 0x65, 0x22, 0x08, 0x11, 0xe3, 0x11, 0x8a,
8    0x23, 0xc9, 0x6a, 0xf0, 0x20, 0x57, 0x08, 0x4b, 0x3e, 0x6c, 0xb6, 0x9c, 0xd3, 0xbd, 0x88, 0xd5,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub autostart_snoop: bool,
13    pub fastpair_provider_enabled: bool,
14    pub rfcomm_enabled: bool,
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            autostart_snoop: fidl_config.autostart_snoop,
55            fastpair_provider_enabled: fidl_config.fastpair_provider_enabled,
56            rfcomm_enabled: fidl_config.rfcomm_enabled,
57        })
58    }
59    fn record_inspect(&self, inspector_node: &Node) {
60        inspector_node.record_bool("autostart_snoop", self.autostart_snoop);
61        inspector_node.record_bool("fastpair_provider_enabled", self.fastpair_provider_enabled);
62        inspector_node.record_bool("rfcomm_enabled", self.rfcomm_enabled);
63    }
64}