binder_proxy_tests_config/
binder_proxy_tests_config_rust_config_lib_source.rs

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use fidl::unpersist;
use fidl_cf_sc_internal_binderproxytestsconfig::Config as FidlConfig;
use fuchsia_inspect::{ArrayProperty, Node};
use fuchsia_runtime::{take_startup_handle, HandleInfo, HandleType};
#[derive(Debug)]
pub struct Config {
    pub expected_uuids: Vec<String>,
}
impl Config {
    pub fn take_from_startup_handle() -> Self {
        let config_vmo: zx::Vmo =
            take_startup_handle(HandleInfo::new(HandleType::ComponentConfigVmo, 0))
                .expect("Config VMO handle must be provided and cannot already have been taken.")
                .into();
        let config_size =
            config_vmo.get_content_size().expect("must be able to read config vmo content size");
        assert_ne!(config_size, 0, "config vmo must be non-empty");
        let config_bytes =
            config_vmo.read_to_vec(0, config_size).expect("must be able to read config vmo");
        let checksum_length = u16::from_le_bytes([config_bytes[0], config_bytes[1]]) as usize;
        let fidl_start = 2 + checksum_length;
        let observed_checksum = &config_bytes[2..fidl_start];
        let expected_checksum = vec![
            0xbb, 0xba, 0xb1, 0xff, 0x7e, 0x87, 0x4c, 0xf5, 0xb0, 0x5a, 0x83, 0xe6, 0x1c, 0x6e,
            0x24, 0x7f, 0x24, 0x55, 0x1e, 0xd7, 0xba, 0xeb, 0x4d, 0x3f, 0x1a, 0xda, 0xba, 0x3c,
            0xfc, 0xc5, 0x8b, 0xb1,
        ];
        assert_eq!(
            observed_checksum, expected_checksum,
            "checksum from config VMO does not match expected checksum"
        );
        let fidl_config: FidlConfig = unpersist(&config_bytes[fidl_start..])
            .expect("must be able to parse bytes as config FIDL");
        Self { expected_uuids: fidl_config.expected_uuids }
    }
    pub fn record_inspect(&self, inspector_node: &Node) {
        let arr = inspector_node.create_string_array("expected_uuids", self.expected_uuids.len());
        for i in 0..self.expected_uuids.len() {
            arr.set(i, &self.expected_uuids[i]);
        }
        inspector_node.record(arr);
    }
}