http_client_config/
http_client_config_rust_config_lib_source.rs1use fidl::unpersist;
2use fidl_cf_sc_internal_httpclientconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7 0x4c, 0x53, 0x34, 0x40, 0x3f, 0xb3, 0x82, 0xaf, 0xd0, 0x29, 0x03, 0x6a, 0x60, 0x47, 0x8e, 0x62,
8 0x55, 0xa2, 0xbb, 0xa9, 0x55, 0x43, 0x1c, 0x01, 0xd8, 0x0f, 0x97, 0x9a, 0x31, 0x84, 0x7a, 0x75,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13 pub stop_on_idle_timeout_millis: i64,
14 pub tcp_receive_buffer_size_bytes: u64,
15}
16impl Config {
17 #[doc = r" Take the config startup handle and parse its contents."]
18 #[doc = r""]
19 #[doc = r" # Panics"]
20 #[doc = r""]
21 #[doc = r" If the config startup handle was already taken or if it is not valid."]
22 pub fn take_from_startup_handle() -> Self {
23 <Self as ComponentConfig>::take_from_startup_handle()
24 }
25 #[doc = r" Parse `Self` from `vmo`."]
26 pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
27 <Self as ComponentConfig>::from_vmo(vmo)
28 }
29 #[doc = r" Parse `Self` from `bytes`."]
30 pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
31 <Self as ComponentConfig>::from_bytes(bytes)
32 }
33 pub fn record_inspect(&self, inspector_node: &Node) {
34 <Self as ComponentConfig>::record_inspect(self, inspector_node)
35 }
36}
37impl ComponentConfig for Config {
38 #[doc = r" Parse `Self` from `bytes`."]
39 fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
40 let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
41 let checksum_len_bytes: [u8; 2] =
42 checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
43 let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
44 let (observed_checksum, bytes) =
45 bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
46 if observed_checksum != EXPECTED_CHECKSUM {
47 return Err(Error::ChecksumMismatch {
48 expected_checksum: EXPECTED_CHECKSUM.to_vec(),
49 observed_checksum: observed_checksum.to_vec(),
50 });
51 }
52 let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
53 Ok(Self {
54 stop_on_idle_timeout_millis: fidl_config.stop_on_idle_timeout_millis,
55 tcp_receive_buffer_size_bytes: fidl_config.tcp_receive_buffer_size_bytes,
56 })
57 }
58 fn to_bytes(&self) -> Result<Vec<u8>, Error> {
59 let fidl_config = FidlConfig {
60 stop_on_idle_timeout_millis: self.stop_on_idle_timeout_millis.clone(),
61 tcp_receive_buffer_size_bytes: self.tcp_receive_buffer_size_bytes.clone(),
62 };
63 let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
64 let mut bytes = Vec::with_capacity(
65 EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
66 );
67 bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
68 bytes.extend_from_slice(EXPECTED_CHECKSUM);
69 bytes.append(&mut fidl_bytes);
70 Ok(bytes)
71 }
72 fn record_inspect(&self, inspector_node: &Node) {
73 inspector_node.record_int("stop_on_idle_timeout_millis", self.stop_on_idle_timeout_millis);
74 inspector_node
75 .record_uint("tcp_receive_buffer_size_bytes", self.tcp_receive_buffer_size_bytes);
76 }
77}