triage_detect_config/
triage-detect-config_rust_config_lib_source.rs

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1use fidl::unpersist;
2use fidl_cf_sc_internal_triagedetectconfig::Config as FidlConfig;
3use fuchsia_inspect::Node;
4use fuchsia_runtime::{take_startup_handle, HandleInfo, HandleType};
5#[derive(Debug)]
6pub struct Config {
7    pub check_every: String,
8    pub test_only: bool,
9}
10impl Config {
11    pub fn take_from_startup_handle() -> Self {
12        let config_vmo: zx::Vmo =
13            take_startup_handle(HandleInfo::new(HandleType::ComponentConfigVmo, 0))
14                .expect("Config VMO handle must be provided and cannot already have been taken.")
15                .into();
16        let config_size =
17            config_vmo.get_content_size().expect("must be able to read config vmo content size");
18        assert_ne!(config_size, 0, "config vmo must be non-empty");
19        let config_bytes =
20            config_vmo.read_to_vec(0, config_size).expect("must be able to read config vmo");
21        let checksum_length = u16::from_le_bytes([config_bytes[0], config_bytes[1]]) as usize;
22        let fidl_start = 2 + checksum_length;
23        let observed_checksum = &config_bytes[2..fidl_start];
24        let expected_checksum = vec![
25            0x95, 0xdf, 0xc8, 0xef, 0xf2, 0x38, 0x46, 0xa6, 0xd1, 0x34, 0x38, 0xc3, 0xdb, 0xde,
26            0xff, 0x88, 0x0d, 0x4c, 0xdf, 0xc9, 0x16, 0xb7, 0xc3, 0xb5, 0x06, 0x06, 0xa0, 0xd3,
27            0x46, 0x84, 0x86, 0x45,
28        ];
29        assert_eq!(
30            observed_checksum, expected_checksum,
31            "checksum from config VMO does not match expected checksum"
32        );
33        let fidl_config: FidlConfig = unpersist(&config_bytes[fidl_start..])
34            .expect("must be able to parse bytes as config FIDL");
35        Self { check_every: fidl_config.check_every, test_only: fidl_config.test_only }
36    }
37    pub fn record_inspect(&self, inspector_node: &Node) {
38        inspector_node.record_string("check_every", &self.check_every);
39        inspector_node.record_bool("test_only", self.test_only);
40    }
41}
triage_detect_config/triage-detect-config_rust_config_lib_source.rs

triage_detect_config/
triage-detect-config_rust_config_lib_source.rs
