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bt_gap_config/
bt_gap_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_btgapconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x1c, 0xbb, 0x3f, 0x24, 0x89, 0x00, 0x00, 0x5d, 0x4c, 0xd8, 0x73, 0xbc, 0x20, 0x94, 0xec, 0x68,
8    0x95, 0xd6, 0xf3, 0x1a, 0x90, 0x90, 0xdb, 0x99, 0x5e, 0xc2, 0xf7, 0xa0, 0x90, 0x50, 0x34, 0x31,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub bredr_connectable: bool,
14    pub bredr_security_mode: String,
15    pub le_background_scanning: bool,
16    pub le_privacy: bool,
17    pub le_security_mode: String,
18}
19impl Config {
20    #[doc = r" Take the config startup handle and parse its contents."]
21    #[doc = r""]
22    #[doc = r" # Panics"]
23    #[doc = r""]
24    #[doc = r" If the config startup handle was already taken or if it is not valid."]
25    pub fn take_from_startup_handle() -> Self {
26        <Self as ComponentConfig>::take_from_startup_handle()
27    }
28    #[doc = r" Parse `Self` from `vmo`."]
29    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
30        <Self as ComponentConfig>::from_vmo(vmo)
31    }
32    #[doc = r" Parse `Self` from `bytes`."]
33    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
34        <Self as ComponentConfig>::from_bytes(bytes)
35    }
36    pub fn record_inspect(&self, inspector_node: &Node) {
37        <Self as ComponentConfig>::record_inspect(self, inspector_node)
38    }
39}
40impl ComponentConfig for Config {
41    #[doc = r" Parse `Self` from `bytes`."]
42    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
43        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
44        let checksum_len_bytes: [u8; 2] =
45            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
46        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
47        let (observed_checksum, bytes) =
48            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
49        if observed_checksum != EXPECTED_CHECKSUM {
50            return Err(Error::ChecksumMismatch {
51                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
52                observed_checksum: observed_checksum.to_vec(),
53            });
54        }
55        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
56        Ok(Self {
57            bredr_connectable: fidl_config.bredr_connectable,
58            bredr_security_mode: fidl_config.bredr_security_mode,
59            le_background_scanning: fidl_config.le_background_scanning,
60            le_privacy: fidl_config.le_privacy,
61            le_security_mode: fidl_config.le_security_mode,
62        })
63    }
64    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
65        let fidl_config = FidlConfig {
66            bredr_connectable: self.bredr_connectable.clone(),
67            bredr_security_mode: self.bredr_security_mode.clone(),
68            le_background_scanning: self.le_background_scanning.clone(),
69            le_privacy: self.le_privacy.clone(),
70            le_security_mode: self.le_security_mode.clone(),
71        };
72        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
73        let mut bytes = Vec::with_capacity(
74            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
75        );
76        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
77        bytes.extend_from_slice(EXPECTED_CHECKSUM);
78        bytes.append(&mut fidl_bytes);
79        Ok(bytes)
80    }
81    fn record_inspect(&self, inspector_node: &Node) {
82        inspector_node.record_bool("bredr_connectable", self.bredr_connectable);
83        inspector_node.record_string("bredr_security_mode", &self.bredr_security_mode);
84        inspector_node.record_bool("le_background_scanning", self.le_background_scanning);
85        inspector_node.record_bool("le_privacy", self.le_privacy);
86        inspector_node.record_string("le_security_mode", &self.le_security_mode);
87    }
88}