fastpair_provider_config/
fastpair_provider_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_fastpairproviderconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x02, 0x2c, 0xa3, 0x90, 0x02, 0x7d, 0x16, 0x4a, 0x52, 0x3c, 0x84, 0xef, 0xfa, 0x9a, 0xf6, 0xa0,
8    0x65, 0x19, 0xfa, 0x44, 0x07, 0xcf, 0x11, 0x61, 0x70, 0x5b, 0x7c, 0x2a, 0x07, 0xe9, 0x1c, 0x49,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub firmware_revision: String,
13    pub model_id: u32,
14    pub private_key: String,
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            firmware_revision: fidl_config.firmware_revision,
55            model_id: fidl_config.model_id,
56            private_key: fidl_config.private_key,
57        })
58    }
59    fn record_inspect(&self, inspector_node: &Node) {
60        inspector_node.record_string("firmware_revision", &self.firmware_revision);
61        inspector_node.record_uint("model_id", self.model_id as u64);
62        inspector_node.record_string("private_key", &self.private_key);
63    }
64}
fastpair_provider_config/fastpair_provider_config_rust_config_lib_source.rs

fastpair_provider_config/
fastpair_provider_config_rust_config_lib_source.rs
