hwinfo_structured_config/
hwinfo_structured_config_rust_config_lib_source.rs

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1use fidl::unpersist;
2use fidl_cf_sc_internal_hwinfostructuredconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0xa4, 0x87, 0x1c, 0x22, 0x13, 0xd9, 0x41, 0xa7, 0xe1, 0xad, 0xa4, 0xf0, 0xc3, 0xb2, 0xdf, 0xbb,
8    0x24, 0x49, 0x70, 0x36, 0x35, 0xf0, 0x46, 0xeb, 0x1a, 0x5b, 0x0f, 0xaf, 0x13, 0x4c, 0x83, 0xcc,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub product_manufacturer: String,
13    pub product_model: String,
14    pub product_name: 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            product_manufacturer: fidl_config.product_manufacturer,
55            product_model: fidl_config.product_model,
56            product_name: fidl_config.product_name,
57        })
58    }
59    fn record_inspect(&self, inspector_node: &Node) {
60        inspector_node.record_string("product_manufacturer", &self.product_manufacturer);
61        inspector_node.record_string("product_model", &self.product_model);
62        inspector_node.record_string("product_name", &self.product_name);
63    }
64}
hwinfo_structured_config/hwinfo_structured_config_rust_config_lib_source.rs

hwinfo_structured_config/
hwinfo_structured_config_rust_config_lib_source.rs
