omaha_client_structured_config/
omaha-client-structured-config-lib_rust_config_lib_source.rs1use fidl::unpersist;
2use fidl_cf_sc_internal_omahaclientstructuredconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7 0x5f, 0xb4, 0x48, 0x47, 0xb9, 0xf7, 0xd4, 0xf6, 0xa9, 0x9b, 0xd2, 0x74, 0x25, 0x53, 0x5f, 0xfa,
8 0xae, 0x07, 0xab, 0x80, 0x63, 0x23, 0x49, 0xba, 0x72, 0xb8, 0x70, 0xea, 0xca, 0xc0, 0x0c, 0x00,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13 pub allow_reboot_when_idle: bool,
14 pub app_id: String,
15 pub fuzz_percentage_range: u8,
16 pub omaha_url: String,
17 pub ota_channel: String,
18 pub ota_realm: String,
19 pub periodic_interval_minutes: u16,
20 pub product_id: String,
21 pub retry_delay_seconds: u16,
22 pub startup_delay_seconds: u16,
23}
24impl Config {
25 #[doc = r" Take the config startup handle and parse its contents."]
26 #[doc = r""]
27 #[doc = r" # Panics"]
28 #[doc = r""]
29 #[doc = r" If the config startup handle was already taken or if it is not valid."]
30 pub fn take_from_startup_handle() -> Self {
31 <Self as ComponentConfig>::take_from_startup_handle()
32 }
33 #[doc = r" Parse `Self` from `vmo`."]
34 pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
35 <Self as ComponentConfig>::from_vmo(vmo)
36 }
37 #[doc = r" Parse `Self` from `bytes`."]
38 pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
39 <Self as ComponentConfig>::from_bytes(bytes)
40 }
41 pub fn record_inspect(&self, inspector_node: &Node) {
42 <Self as ComponentConfig>::record_inspect(self, inspector_node)
43 }
44}
45impl ComponentConfig for Config {
46 #[doc = r" Parse `Self` from `bytes`."]
47 fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
48 let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
49 let checksum_len_bytes: [u8; 2] =
50 checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
51 let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
52 let (observed_checksum, bytes) =
53 bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
54 if observed_checksum != EXPECTED_CHECKSUM {
55 return Err(Error::ChecksumMismatch {
56 expected_checksum: EXPECTED_CHECKSUM.to_vec(),
57 observed_checksum: observed_checksum.to_vec(),
58 });
59 }
60 let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
61 Ok(Self {
62 allow_reboot_when_idle: fidl_config.allow_reboot_when_idle,
63 app_id: fidl_config.app_id,
64 fuzz_percentage_range: fidl_config.fuzz_percentage_range,
65 omaha_url: fidl_config.omaha_url,
66 ota_channel: fidl_config.ota_channel,
67 ota_realm: fidl_config.ota_realm,
68 periodic_interval_minutes: fidl_config.periodic_interval_minutes,
69 product_id: fidl_config.product_id,
70 retry_delay_seconds: fidl_config.retry_delay_seconds,
71 startup_delay_seconds: fidl_config.startup_delay_seconds,
72 })
73 }
74 fn to_bytes(&self) -> Result<Vec<u8>, Error> {
75 let fidl_config = FidlConfig {
76 allow_reboot_when_idle: self.allow_reboot_when_idle.clone(),
77 app_id: self.app_id.clone(),
78 fuzz_percentage_range: self.fuzz_percentage_range.clone(),
79 omaha_url: self.omaha_url.clone(),
80 ota_channel: self.ota_channel.clone(),
81 ota_realm: self.ota_realm.clone(),
82 periodic_interval_minutes: self.periodic_interval_minutes.clone(),
83 product_id: self.product_id.clone(),
84 retry_delay_seconds: self.retry_delay_seconds.clone(),
85 startup_delay_seconds: self.startup_delay_seconds.clone(),
86 };
87 let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
88 let mut bytes = Vec::with_capacity(
89 EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
90 );
91 bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
92 bytes.extend_from_slice(EXPECTED_CHECKSUM);
93 bytes.append(&mut fidl_bytes);
94 Ok(bytes)
95 }
96 fn record_inspect(&self, inspector_node: &Node) {
97 inspector_node.record_bool("allow_reboot_when_idle", self.allow_reboot_when_idle);
98 inspector_node.record_string("app_id", &self.app_id);
99 inspector_node.record_uint("fuzz_percentage_range", self.fuzz_percentage_range as u64);
100 inspector_node.record_string("omaha_url", &self.omaha_url);
101 inspector_node.record_string("ota_channel", &self.ota_channel);
102 inspector_node.record_string("ota_realm", &self.ota_realm);
103 inspector_node
104 .record_uint("periodic_interval_minutes", self.periodic_interval_minutes as u64);
105 inspector_node.record_string("product_id", &self.product_id);
106 inspector_node.record_uint("retry_delay_seconds", self.retry_delay_seconds as u64);
107 inspector_node.record_uint("startup_delay_seconds", self.startup_delay_seconds as u64);
108 }
109}