driver_index_config/
driver_index_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_driverindexconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::{ArrayProperty, Node};
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x3c, 0x8f, 0x22, 0x9c, 0xa6, 0x41, 0xb9, 0x6e, 0xb8, 0x3e, 0x8c, 0xe1, 0xfd, 0xa9, 0x89, 0xbc,
8    0x75, 0x5b, 0xf0, 0xf0, 0x50, 0xc1, 0x55, 0xc8, 0x1a, 0xeb, 0xb0, 0x34, 0xce, 0x53, 0xe0, 0x43,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub base_drivers: Vec<String>,
13    pub bind_eager: Vec<String>,
14    pub boot_drivers: Vec<String>,
15    pub delay_fallback_until_base_drivers_indexed: bool,
16    pub disabled_drivers: Vec<String>,
17    pub driver_load_fuzzer_max_delay_ms: i64,
18    pub enable_driver_load_fuzzer: bool,
19    pub enable_ephemeral_drivers: bool,
20    pub stop_on_idle_timeout_millis: i64,
21}
22impl Config {
23    #[doc = r" Take the config startup handle and parse its contents."]
24    #[doc = r""]
25    #[doc = r" # Panics"]
26    #[doc = r""]
27    #[doc = r" If the config startup handle was already taken or if it is not valid."]
28    pub fn take_from_startup_handle() -> Self {
29        <Self as ComponentConfig>::take_from_startup_handle()
30    }
31    #[doc = r" Parse `Self` from `vmo`."]
32    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
33        <Self as ComponentConfig>::from_vmo(vmo)
34    }
35    #[doc = r" Parse `Self` from `bytes`."]
36    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
37        <Self as ComponentConfig>::from_bytes(bytes)
38    }
39    pub fn record_inspect(&self, inspector_node: &Node) {
40        <Self as ComponentConfig>::record_inspect(self, inspector_node)
41    }
42}
43impl ComponentConfig for Config {
44    #[doc = r" Parse `Self` from `bytes`."]
45    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
46        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
47        let checksum_len_bytes: [u8; 2] =
48            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
49        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
50        let (observed_checksum, bytes) =
51            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
52        if observed_checksum != EXPECTED_CHECKSUM {
53            return Err(Error::ChecksumMismatch {
54                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
55                observed_checksum: observed_checksum.to_vec(),
56            });
57        }
58        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
59        Ok(Self {
60            base_drivers: fidl_config.base_drivers,
61            bind_eager: fidl_config.bind_eager,
62            boot_drivers: fidl_config.boot_drivers,
63            delay_fallback_until_base_drivers_indexed: fidl_config
64                .delay_fallback_until_base_drivers_indexed,
65            disabled_drivers: fidl_config.disabled_drivers,
66            driver_load_fuzzer_max_delay_ms: fidl_config.driver_load_fuzzer_max_delay_ms,
67            enable_driver_load_fuzzer: fidl_config.enable_driver_load_fuzzer,
68            enable_ephemeral_drivers: fidl_config.enable_ephemeral_drivers,
69            stop_on_idle_timeout_millis: fidl_config.stop_on_idle_timeout_millis,
70        })
71    }
72    fn record_inspect(&self, inspector_node: &Node) {
73        let arr = inspector_node.create_string_array("base_drivers", self.base_drivers.len());
74        for i in 0..self.base_drivers.len() {
75            arr.set(i, &self.base_drivers[i]);
76        }
77        inspector_node.record(arr);
78        let arr = inspector_node.create_string_array("bind_eager", self.bind_eager.len());
79        for i in 0..self.bind_eager.len() {
80            arr.set(i, &self.bind_eager[i]);
81        }
82        inspector_node.record(arr);
83        let arr = inspector_node.create_string_array("boot_drivers", self.boot_drivers.len());
84        for i in 0..self.boot_drivers.len() {
85            arr.set(i, &self.boot_drivers[i]);
86        }
87        inspector_node.record(arr);
88        inspector_node.record_bool(
89            "delay_fallback_until_base_drivers_indexed",
90            self.delay_fallback_until_base_drivers_indexed,
91        );
92        let arr =
93            inspector_node.create_string_array("disabled_drivers", self.disabled_drivers.len());
94        for i in 0..self.disabled_drivers.len() {
95            arr.set(i, &self.disabled_drivers[i]);
96        }
97        inspector_node.record(arr);
98        inspector_node
99            .record_int("driver_load_fuzzer_max_delay_ms", self.driver_load_fuzzer_max_delay_ms);
100        inspector_node.record_bool("enable_driver_load_fuzzer", self.enable_driver_load_fuzzer);
101        inspector_node.record_bool("enable_ephemeral_drivers", self.enable_ephemeral_drivers);
102        inspector_node.record_int("stop_on_idle_timeout_millis", self.stop_on_idle_timeout_millis);
103    }
104}
driver_index_config/driver_index_config_rust_config_lib_source.rs

driver_index_config/
driver_index_config_rust_config_lib_source.rs
