omaha_client_structured_config/
omaha-client-structured-config-lib_rust_config_lib_source.rs

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1use fidl::unpersist;
2use fidl_cf_sc_internal_omahaclientstructuredconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x70, 0x33, 0xd6, 0x73, 0x02, 0x0a, 0x40, 0x60, 0x94, 0xfa, 0x2b, 0x27, 0x15, 0x17, 0x86, 0x3c,
8    0x72, 0x5b, 0x0c, 0xd1, 0x8d, 0x78, 0xcc, 0xec, 0xce, 0x1b, 0xe8, 0x41, 0xed, 0x16, 0x58, 0xd4,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub allow_reboot_when_idle: bool,
13    pub fuzz_percentage_range: u8,
14    pub periodic_interval_minutes: u16,
15    pub retry_delay_seconds: u16,
16    pub startup_delay_seconds: u16,
17}
18impl Config {
19    #[doc = r" Take the config startup handle and parse its contents."]
20    #[doc = r""]
21    #[doc = r" # Panics"]
22    #[doc = r""]
23    #[doc = r" If the config startup handle was already taken or if it is not valid."]
24    pub fn take_from_startup_handle() -> Self {
25        <Self as ComponentConfig>::take_from_startup_handle()
26    }
27    #[doc = r" Parse `Self` from `vmo`."]
28    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
29        <Self as ComponentConfig>::from_vmo(vmo)
30    }
31    #[doc = r" Parse `Self` from `bytes`."]
32    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
33        <Self as ComponentConfig>::from_bytes(bytes)
34    }
35    pub fn record_inspect(&self, inspector_node: &Node) {
36        <Self as ComponentConfig>::record_inspect(self, inspector_node)
37    }
38}
39impl ComponentConfig for Config {
40    #[doc = r" Parse `Self` from `bytes`."]
41    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
42        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
43        let checksum_len_bytes: [u8; 2] =
44            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
45        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
46        let (observed_checksum, bytes) =
47            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
48        if observed_checksum != EXPECTED_CHECKSUM {
49            return Err(Error::ChecksumMismatch {
50                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
51                observed_checksum: observed_checksum.to_vec(),
52            });
53        }
54        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
55        Ok(Self {
56            allow_reboot_when_idle: fidl_config.allow_reboot_when_idle,
57            fuzz_percentage_range: fidl_config.fuzz_percentage_range,
58            periodic_interval_minutes: fidl_config.periodic_interval_minutes,
59            retry_delay_seconds: fidl_config.retry_delay_seconds,
60            startup_delay_seconds: fidl_config.startup_delay_seconds,
61        })
62    }
63    fn record_inspect(&self, inspector_node: &Node) {
64        inspector_node.record_bool("allow_reboot_when_idle", self.allow_reboot_when_idle);
65        inspector_node.record_uint("fuzz_percentage_range", self.fuzz_percentage_range as u64);
66        inspector_node
67            .record_uint("periodic_interval_minutes", self.periodic_interval_minutes as u64);
68        inspector_node.record_uint("retry_delay_seconds", self.retry_delay_seconds as u64);
69        inspector_node.record_uint("startup_delay_seconds", self.startup_delay_seconds as u64);
70    }
71}
omaha_client_structured_config/omaha-client-structured-config-lib_rust_config_lib_source.rs

omaha_client_structured_config/
omaha-client-structured-config-lib_rust_config_lib_source.rs
