timekeeper_config/
timekeeper-config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_timekeeperconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x34, 0x45, 0x36, 0x87, 0x7e, 0x12, 0xd7, 0xe4, 0x8f, 0xb4, 0xec, 0x51, 0xd1, 0xbe, 0xc9, 0xe2,
8    0x02, 0xe7, 0x21, 0xae, 0x97, 0xe3, 0xbf, 0x17, 0xe4, 0x48, 0x55, 0xf6, 0x68, 0x9a, 0xc5, 0x71,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub back_off_time_between_pull_samples_sec: i64,
13    pub disable_delays: bool,
14    pub early_exit: bool,
15    pub first_sampling_delay_sec: i64,
16    pub has_always_on_counter: bool,
17    pub has_real_time_clock: bool,
18    pub initial_frequency_ppm: u32,
19    pub max_frequency_error_ppm: u32,
20    pub min_utc_reference_to_backstop_diff_minutes: u64,
21    pub monitor_time_source_url: String,
22    pub monitor_uses_pull: bool,
23    pub oscillator_error_std_dev_ppm: u32,
24    pub power_topology_integration_enabled: bool,
25    pub primary_time_source_url: String,
26    pub primary_uses_pull: bool,
27    pub serve_fuchsia_time_alarms: bool,
28    pub serve_fuchsia_time_external_adjust: bool,
29    pub serve_test_protocols: bool,
30    pub use_connectivity: bool,
31    pub utc_max_allowed_delta_future_sec: i64,
32    pub utc_max_allowed_delta_past_sec: i64,
33    pub utc_start_at_startup: bool,
34    pub utc_start_at_startup_when_invalid_rtc: bool,
35}
36impl Config {
37    #[doc = r" Take the config startup handle and parse its contents."]
38    #[doc = r""]
39    #[doc = r" # Panics"]
40    #[doc = r""]
41    #[doc = r" If the config startup handle was already taken or if it is not valid."]
42    pub fn take_from_startup_handle() -> Self {
43        <Self as ComponentConfig>::take_from_startup_handle()
44    }
45    #[doc = r" Parse `Self` from `vmo`."]
46    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
47        <Self as ComponentConfig>::from_vmo(vmo)
48    }
49    #[doc = r" Parse `Self` from `bytes`."]
50    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
51        <Self as ComponentConfig>::from_bytes(bytes)
52    }
53    pub fn record_inspect(&self, inspector_node: &Node) {
54        <Self as ComponentConfig>::record_inspect(self, inspector_node)
55    }
56}
57impl ComponentConfig for Config {
58    #[doc = r" Parse `Self` from `bytes`."]
59    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
60        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
61        let checksum_len_bytes: [u8; 2] =
62            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
63        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
64        let (observed_checksum, bytes) =
65            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
66        if observed_checksum != EXPECTED_CHECKSUM {
67            return Err(Error::ChecksumMismatch {
68                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
69                observed_checksum: observed_checksum.to_vec(),
70            });
71        }
72        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
73        Ok(Self {
74            back_off_time_between_pull_samples_sec: fidl_config
75                .back_off_time_between_pull_samples_sec,
76            disable_delays: fidl_config.disable_delays,
77            early_exit: fidl_config.early_exit,
78            first_sampling_delay_sec: fidl_config.first_sampling_delay_sec,
79            has_always_on_counter: fidl_config.has_always_on_counter,
80            has_real_time_clock: fidl_config.has_real_time_clock,
81            initial_frequency_ppm: fidl_config.initial_frequency_ppm,
82            max_frequency_error_ppm: fidl_config.max_frequency_error_ppm,
83            min_utc_reference_to_backstop_diff_minutes: fidl_config
84                .min_utc_reference_to_backstop_diff_minutes,
85            monitor_time_source_url: fidl_config.monitor_time_source_url,
86            monitor_uses_pull: fidl_config.monitor_uses_pull,
87            oscillator_error_std_dev_ppm: fidl_config.oscillator_error_std_dev_ppm,
88            power_topology_integration_enabled: fidl_config.power_topology_integration_enabled,
89            primary_time_source_url: fidl_config.primary_time_source_url,
90            primary_uses_pull: fidl_config.primary_uses_pull,
91            serve_fuchsia_time_alarms: fidl_config.serve_fuchsia_time_alarms,
92            serve_fuchsia_time_external_adjust: fidl_config.serve_fuchsia_time_external_adjust,
93            serve_test_protocols: fidl_config.serve_test_protocols,
94            use_connectivity: fidl_config.use_connectivity,
95            utc_max_allowed_delta_future_sec: fidl_config.utc_max_allowed_delta_future_sec,
96            utc_max_allowed_delta_past_sec: fidl_config.utc_max_allowed_delta_past_sec,
97            utc_start_at_startup: fidl_config.utc_start_at_startup,
98            utc_start_at_startup_when_invalid_rtc: fidl_config
99                .utc_start_at_startup_when_invalid_rtc,
100        })
101    }
102    fn record_inspect(&self, inspector_node: &Node) {
103        inspector_node.record_int(
104            "back_off_time_between_pull_samples_sec",
105            self.back_off_time_between_pull_samples_sec,
106        );
107        inspector_node.record_bool("disable_delays", self.disable_delays);
108        inspector_node.record_bool("early_exit", self.early_exit);
109        inspector_node.record_int("first_sampling_delay_sec", self.first_sampling_delay_sec);
110        inspector_node.record_bool("has_always_on_counter", self.has_always_on_counter);
111        inspector_node.record_bool("has_real_time_clock", self.has_real_time_clock);
112        inspector_node.record_uint("initial_frequency_ppm", self.initial_frequency_ppm as u64);
113        inspector_node.record_uint("max_frequency_error_ppm", self.max_frequency_error_ppm as u64);
114        inspector_node.record_uint(
115            "min_utc_reference_to_backstop_diff_minutes",
116            self.min_utc_reference_to_backstop_diff_minutes,
117        );
118        inspector_node.record_string("monitor_time_source_url", &self.monitor_time_source_url);
119        inspector_node.record_bool("monitor_uses_pull", self.monitor_uses_pull);
120        inspector_node
121            .record_uint("oscillator_error_std_dev_ppm", self.oscillator_error_std_dev_ppm as u64);
122        inspector_node.record_bool(
123            "power_topology_integration_enabled",
124            self.power_topology_integration_enabled,
125        );
126        inspector_node.record_string("primary_time_source_url", &self.primary_time_source_url);
127        inspector_node.record_bool("primary_uses_pull", self.primary_uses_pull);
128        inspector_node.record_bool("serve_fuchsia_time_alarms", self.serve_fuchsia_time_alarms);
129        inspector_node.record_bool(
130            "serve_fuchsia_time_external_adjust",
131            self.serve_fuchsia_time_external_adjust,
132        );
133        inspector_node.record_bool("serve_test_protocols", self.serve_test_protocols);
134        inspector_node.record_bool("use_connectivity", self.use_connectivity);
135        inspector_node
136            .record_int("utc_max_allowed_delta_future_sec", self.utc_max_allowed_delta_future_sec);
137        inspector_node
138            .record_int("utc_max_allowed_delta_past_sec", self.utc_max_allowed_delta_past_sec);
139        inspector_node.record_bool("utc_start_at_startup", self.utc_start_at_startup);
140        inspector_node.record_bool(
141            "utc_start_at_startup_when_invalid_rtc",
142            self.utc_start_at_startup_when_invalid_rtc,
143        );
144    }
145}