driver_manager_config/
driver_manager_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_drivermanagerconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x23, 0x92, 0xd8, 0x69, 0x65, 0x5b, 0x53, 0x57, 0x72, 0x45, 0x0c, 0xdb, 0xaf, 0xba, 0x4a, 0xfa,
8    0x7b, 0x93, 0x76, 0xea, 0x7f, 0x98, 0x84, 0x1f, 0xdb, 0x8c, 0xe0, 0xc8, 0x97, 0x6d, 0xce, 0xe2,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub delay_fallback_until_base_drivers_indexed: bool,
14    pub enable_test_shutdown_delays: bool,
15    pub power_inject_offer: bool,
16    pub power_suspend_enabled: bool,
17    pub root_driver: String,
18    pub set_root_driver_host_critical: bool,
19    pub storage_power_management_enabled: bool,
20    pub suspend_timeout_fallback: bool,
21    pub wait_for_suspending_token: bool,
22}
23impl Config {
24    #[doc = r" Take the config startup handle and parse its contents."]
25    #[doc = r""]
26    #[doc = r" # Panics"]
27    #[doc = r""]
28    #[doc = r" If the config startup handle was already taken or if it is not valid."]
29    pub fn take_from_startup_handle() -> Self {
30        <Self as ComponentConfig>::take_from_startup_handle()
31    }
32    #[doc = r" Parse `Self` from `vmo`."]
33    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
34        <Self as ComponentConfig>::from_vmo(vmo)
35    }
36    #[doc = r" Parse `Self` from `bytes`."]
37    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
38        <Self as ComponentConfig>::from_bytes(bytes)
39    }
40    pub fn record_inspect(&self, inspector_node: &Node) {
41        <Self as ComponentConfig>::record_inspect(self, inspector_node)
42    }
43}
44impl ComponentConfig for Config {
45    #[doc = r" Parse `Self` from `bytes`."]
46    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
47        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
48        let checksum_len_bytes: [u8; 2] =
49            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
50        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
51        let (observed_checksum, bytes) =
52            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
53        if observed_checksum != EXPECTED_CHECKSUM {
54            return Err(Error::ChecksumMismatch {
55                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
56                observed_checksum: observed_checksum.to_vec(),
57            });
58        }
59        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
60        Ok(Self {
61            delay_fallback_until_base_drivers_indexed: fidl_config
62                .delay_fallback_until_base_drivers_indexed,
63            enable_test_shutdown_delays: fidl_config.enable_test_shutdown_delays,
64            power_inject_offer: fidl_config.power_inject_offer,
65            power_suspend_enabled: fidl_config.power_suspend_enabled,
66            root_driver: fidl_config.root_driver,
67            set_root_driver_host_critical: fidl_config.set_root_driver_host_critical,
68            storage_power_management_enabled: fidl_config.storage_power_management_enabled,
69            suspend_timeout_fallback: fidl_config.suspend_timeout_fallback,
70            wait_for_suspending_token: fidl_config.wait_for_suspending_token,
71        })
72    }
73    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
74        let fidl_config = FidlConfig {
75            delay_fallback_until_base_drivers_indexed: self
76                .delay_fallback_until_base_drivers_indexed
77                .clone(),
78            enable_test_shutdown_delays: self.enable_test_shutdown_delays.clone(),
79            power_inject_offer: self.power_inject_offer.clone(),
80            power_suspend_enabled: self.power_suspend_enabled.clone(),
81            root_driver: self.root_driver.clone(),
82            set_root_driver_host_critical: self.set_root_driver_host_critical.clone(),
83            storage_power_management_enabled: self.storage_power_management_enabled.clone(),
84            suspend_timeout_fallback: self.suspend_timeout_fallback.clone(),
85            wait_for_suspending_token: self.wait_for_suspending_token.clone(),
86        };
87        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
88        let mut bytes = Vec::with_capacity(
89            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
90        );
91        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
92        bytes.extend_from_slice(EXPECTED_CHECKSUM);
93        bytes.append(&mut fidl_bytes);
94        Ok(bytes)
95    }
96    fn record_inspect(&self, inspector_node: &Node) {
97        inspector_node.record_bool(
98            "delay_fallback_until_base_drivers_indexed",
99            self.delay_fallback_until_base_drivers_indexed,
100        );
101        inspector_node.record_bool("enable_test_shutdown_delays", self.enable_test_shutdown_delays);
102        inspector_node.record_bool("power_inject_offer", self.power_inject_offer);
103        inspector_node.record_bool("power_suspend_enabled", self.power_suspend_enabled);
104        inspector_node.record_string("root_driver", &self.root_driver);
105        inspector_node
106            .record_bool("set_root_driver_host_critical", self.set_root_driver_host_critical);
107        inspector_node
108            .record_bool("storage_power_management_enabled", self.storage_power_management_enabled);
109        inspector_node.record_bool("suspend_timeout_fallback", self.suspend_timeout_fallback);
110        inspector_node.record_bool("wait_for_suspending_token", self.wait_for_suspending_token);
111    }
112}
driver_manager_config/driver_manager_config_rust_config_lib_source.rs

driver_manager_config/
driver_manager_config_rust_config_lib_source.rs
