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wlancfg_config/
wlancfg-config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_wlancfgconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x00, 0xdb, 0xb8, 0xf3, 0xda, 0x53, 0x23, 0x9f, 0x0c, 0x25, 0x66, 0x5e, 0xbd, 0x65, 0x48, 0x86,
8    0x4d, 0xe2, 0xfe, 0xb5, 0x8b, 0x21, 0xc6, 0xa5, 0xb1, 0xed, 0x0e, 0xaa, 0x4b, 0xbf, 0xff, 0xc4,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub power_framework_enabled: bool,
14    pub recovery_enabled: bool,
15    pub recovery_profile: String,
16    pub roaming_policy: String,
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            power_framework_enabled: fidl_config.power_framework_enabled,
57            recovery_enabled: fidl_config.recovery_enabled,
58            recovery_profile: fidl_config.recovery_profile,
59            roaming_policy: fidl_config.roaming_policy,
60        })
61    }
62    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
63        let fidl_config = FidlConfig {
64            power_framework_enabled: self.power_framework_enabled.clone(),
65            recovery_enabled: self.recovery_enabled.clone(),
66            recovery_profile: self.recovery_profile.clone(),
67            roaming_policy: self.roaming_policy.clone(),
68        };
69        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
70        let mut bytes = Vec::with_capacity(
71            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
72        );
73        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
74        bytes.extend_from_slice(EXPECTED_CHECKSUM);
75        bytes.append(&mut fidl_bytes);
76        Ok(bytes)
77    }
78    fn record_inspect(&self, inspector_node: &Node) {
79        inspector_node.record_bool("power_framework_enabled", self.power_framework_enabled);
80        inspector_node.record_bool("recovery_enabled", self.recovery_enabled);
81        inspector_node.record_string("recovery_profile", &self.recovery_profile);
82        inspector_node.record_string("roaming_policy", &self.roaming_policy);
83    }
84}