lab_proxy_config/
lab_proxy_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_labproxyconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0xae, 0xcf, 0x2d, 0x97, 0xe1, 0x7f, 0x7e, 0xfa, 0x17, 0x7e, 0x34, 0xd2, 0x9f, 0x57, 0xa0, 0xca,
8    0x41, 0x77, 0x5e, 0xe3, 0xea, 0xcf, 0x38, 0x6f, 0x8d, 0xa4, 0x70, 0xdb, 0x8b, 0x9a, 0x4b, 0x8f,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub audit_capacity: u32,
14    pub enabled: bool,
15    pub max_deadline_ns: u64,
16    pub max_delay_ns: u64,
17    pub max_ops_per_second: u32,
18    pub max_sequence_duration_ns: u64,
19    pub max_sequence_items: u32,
20    pub max_snapshot_items: u32,
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            audit_capacity: fidl_config.audit_capacity,
61            enabled: fidl_config.enabled,
62            max_deadline_ns: fidl_config.max_deadline_ns,
63            max_delay_ns: fidl_config.max_delay_ns,
64            max_ops_per_second: fidl_config.max_ops_per_second,
65            max_sequence_duration_ns: fidl_config.max_sequence_duration_ns,
66            max_sequence_items: fidl_config.max_sequence_items,
67            max_snapshot_items: fidl_config.max_snapshot_items,
68        })
69    }
70    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
71        let fidl_config = FidlConfig {
72            audit_capacity: self.audit_capacity.clone(),
73            enabled: self.enabled.clone(),
74            max_deadline_ns: self.max_deadline_ns.clone(),
75            max_delay_ns: self.max_delay_ns.clone(),
76            max_ops_per_second: self.max_ops_per_second.clone(),
77            max_sequence_duration_ns: self.max_sequence_duration_ns.clone(),
78            max_sequence_items: self.max_sequence_items.clone(),
79            max_snapshot_items: self.max_snapshot_items.clone(),
80        };
81        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
82        let mut bytes = Vec::with_capacity(
83            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
84        );
85        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
86        bytes.extend_from_slice(EXPECTED_CHECKSUM);
87        bytes.append(&mut fidl_bytes);
88        Ok(bytes)
89    }
90    fn record_inspect(&self, inspector_node: &Node) {
91        inspector_node.record_uint("audit_capacity", self.audit_capacity as u64);
92        inspector_node.record_bool("enabled", self.enabled);
93        inspector_node.record_uint("max_deadline_ns", self.max_deadline_ns);
94        inspector_node.record_uint("max_delay_ns", self.max_delay_ns);
95        inspector_node.record_uint("max_ops_per_second", self.max_ops_per_second as u64);
96        inspector_node.record_uint("max_sequence_duration_ns", self.max_sequence_duration_ns);
97        inspector_node.record_uint("max_sequence_items", self.max_sequence_items as u64);
98        inspector_node.record_uint("max_snapshot_items", self.max_snapshot_items as u64);
99    }
100}
lab_proxy_config/lab_proxy_config_rust_config_lib_source.rs

lab_proxy_config/
lab_proxy_config_rust_config_lib_source.rs
