session_manager_config/
session_manager_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_sessionmanagerconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x42, 0x2c, 0xf0, 0x81, 0x50, 0xac, 0x71, 0xf7, 0x99, 0xf3, 0x6e, 0x3b, 0x04, 0x8d, 0xf9, 0xf9,
8    0x11, 0x2c, 0x8d, 0x14, 0x79, 0xf0, 0xff, 0xd7, 0x58, 0x78, 0x69, 0x49, 0xab, 0x8d, 0x38, 0x95,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub autolaunch: bool,
14    pub enable_debug_shortcut: bool,
15    pub session_url: String,
16    pub suspend_enabled: bool,
17}
18impl Config {
19    #[doc = r" Take the config startup handle and parse its contents."]
20    #[doc = r""]
21    #[doc = r" # Panics"]
22    #[doc = r""]
23    #[doc = r" If the config startup handle was already taken or if it is not valid."]
24    pub fn take_from_startup_handle() -> Self {
25        <Self as ComponentConfig>::take_from_startup_handle()
26    }
27    #[doc = r" Parse `Self` from `vmo`."]
28    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
29        <Self as ComponentConfig>::from_vmo(vmo)
30    }
31    #[doc = r" Parse `Self` from `bytes`."]
32    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
33        <Self as ComponentConfig>::from_bytes(bytes)
34    }
35    pub fn record_inspect(&self, inspector_node: &Node) {
36        <Self as ComponentConfig>::record_inspect(self, inspector_node)
37    }
38}
39impl ComponentConfig for Config {
40    #[doc = r" Parse `Self` from `bytes`."]
41    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
42        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
43        let checksum_len_bytes: [u8; 2] =
44            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
45        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
46        let (observed_checksum, bytes) =
47            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
48        if observed_checksum != EXPECTED_CHECKSUM {
49            return Err(Error::ChecksumMismatch {
50                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
51                observed_checksum: observed_checksum.to_vec(),
52            });
53        }
54        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
55        Ok(Self {
56            autolaunch: fidl_config.autolaunch,
57            enable_debug_shortcut: fidl_config.enable_debug_shortcut,
58            session_url: fidl_config.session_url,
59            suspend_enabled: fidl_config.suspend_enabled,
60        })
61    }
62    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
63        let fidl_config = FidlConfig {
64            autolaunch: self.autolaunch.clone(),
65            enable_debug_shortcut: self.enable_debug_shortcut.clone(),
66            session_url: self.session_url.clone(),
67            suspend_enabled: self.suspend_enabled.clone(),
68        };
69        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
70        let mut bytes = Vec::with_capacity(
71            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
72        );
73        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
74        bytes.extend_from_slice(EXPECTED_CHECKSUM);
75        bytes.append(&mut fidl_bytes);
76        Ok(bytes)
77    }
78    fn record_inspect(&self, inspector_node: &Node) {
79        inspector_node.record_bool("autolaunch", self.autolaunch);
80        inspector_node.record_bool("enable_debug_shortcut", self.enable_debug_shortcut);
81        inspector_node.record_string("session_url", &self.session_url);
82        inspector_node.record_bool("suspend_enabled", self.suspend_enabled);
83    }
84}
session_manager_config/session_manager_config_rust_config_lib_source.rs

session_manager_config/
session_manager_config_rust_config_lib_source.rs
