binder_proxy_tests_config/
binder_proxy_tests_config_rust_config_lib_source.rsuse 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);
}
}