1use fidl::unpersist;
2use fidl_cf_sc_internal_receiverconfig::Config as FidlConfig;
3use fuchsia_inspect::{ArithmeticArrayProperty, ArrayProperty, Node};
4use fuchsia_runtime::{take_startup_handle, HandleInfo, HandleType};
5#[derive(Debug)]
6pub struct Config {
7 pub my_flag: bool,
8 pub my_int16: i16,
9 pub my_int32: i32,
10 pub my_int64: i64,
11 pub my_int8: i8,
12 pub my_string: String,
13 pub my_uint16: u16,
14 pub my_uint32: u32,
15 pub my_uint64: u64,
16 pub my_uint8: u8,
17 pub my_vector_of_flag: Vec<bool>,
18 pub my_vector_of_int16: Vec<i16>,
19 pub my_vector_of_int32: Vec<i32>,
20 pub my_vector_of_int64: Vec<i64>,
21 pub my_vector_of_int8: Vec<i8>,
22 pub my_vector_of_string: Vec<String>,
23 pub my_vector_of_uint16: Vec<u16>,
24 pub my_vector_of_uint32: Vec<u32>,
25 pub my_vector_of_uint64: Vec<u64>,
26 pub my_vector_of_uint8: Vec<u8>,
27}
28impl Config {
29 pub fn take_from_startup_handle() -> Self {
30 let config_vmo: zx::Vmo =
31 take_startup_handle(HandleInfo::new(HandleType::ComponentConfigVmo, 0))
32 .expect("Config VMO handle must be provided and cannot already have been taken.")
33 .into();
34 let config_size =
35 config_vmo.get_content_size().expect("must be able to read config vmo content size");
36 assert_ne!(config_size, 0, "config vmo must be non-empty");
37 let config_bytes =
38 config_vmo.read_to_vec(0, config_size).expect("must be able to read config vmo");
39 let checksum_length = u16::from_le_bytes([config_bytes[0], config_bytes[1]]) as usize;
40 let fidl_start = 2 + checksum_length;
41 let observed_checksum = &config_bytes[2..fidl_start];
42 let expected_checksum = vec![
43 0xcd, 0x57, 0xb2, 0xa2, 0x89, 0xbb, 0xb6, 0x11, 0xcf, 0x81, 0x50, 0xec, 0x06, 0xc5,
44 0x06, 0x4c, 0x7c, 0xae, 0x79, 0x0f, 0xaa, 0x73, 0x0b, 0x6f, 0xa1, 0x02, 0xc3, 0x53,
45 0x7b, 0x94, 0xee, 0x1a,
46 ];
47 assert_eq!(
48 observed_checksum, expected_checksum,
49 "checksum from config VMO does not match expected checksum"
50 );
51 let fidl_config: FidlConfig = unpersist(&config_bytes[fidl_start..])
52 .expect("must be able to parse bytes as config FIDL");
53 Self {
54 my_flag: fidl_config.my_flag,
55 my_int16: fidl_config.my_int16,
56 my_int32: fidl_config.my_int32,
57 my_int64: fidl_config.my_int64,
58 my_int8: fidl_config.my_int8,
59 my_string: fidl_config.my_string,
60 my_uint16: fidl_config.my_uint16,
61 my_uint32: fidl_config.my_uint32,
62 my_uint64: fidl_config.my_uint64,
63 my_uint8: fidl_config.my_uint8,
64 my_vector_of_flag: fidl_config.my_vector_of_flag,
65 my_vector_of_int16: fidl_config.my_vector_of_int16,
66 my_vector_of_int32: fidl_config.my_vector_of_int32,
67 my_vector_of_int64: fidl_config.my_vector_of_int64,
68 my_vector_of_int8: fidl_config.my_vector_of_int8,
69 my_vector_of_string: fidl_config.my_vector_of_string,
70 my_vector_of_uint16: fidl_config.my_vector_of_uint16,
71 my_vector_of_uint32: fidl_config.my_vector_of_uint32,
72 my_vector_of_uint64: fidl_config.my_vector_of_uint64,
73 my_vector_of_uint8: fidl_config.my_vector_of_uint8,
74 }
75 }
76 pub fn record_inspect(&self, inspector_node: &Node) {
77 inspector_node.record_bool("my_flag", self.my_flag);
78 inspector_node.record_int("my_int16", self.my_int16 as i64);
79 inspector_node.record_int("my_int32", self.my_int32 as i64);
80 inspector_node.record_int("my_int64", self.my_int64);
81 inspector_node.record_int("my_int8", self.my_int8 as i64);
82 inspector_node.record_string("my_string", &self.my_string);
83 inspector_node.record_uint("my_uint16", self.my_uint16 as u64);
84 inspector_node.record_uint("my_uint32", self.my_uint32 as u64);
85 inspector_node.record_uint("my_uint64", self.my_uint64);
86 inspector_node.record_uint("my_uint8", self.my_uint8 as u64);
87 let arr =
88 inspector_node.create_uint_array("my_vector_of_flag", self.my_vector_of_flag.len());
89 for i in 0..self.my_vector_of_flag.len() {
90 arr.add(i, self.my_vector_of_flag[i] as u64);
91 }
92 inspector_node.record(arr);
93 let arr =
94 inspector_node.create_int_array("my_vector_of_int16", self.my_vector_of_int16.len());
95 for i in 0..self.my_vector_of_int16.len() {
96 arr.add(i, self.my_vector_of_int16[i] as i64);
97 }
98 inspector_node.record(arr);
99 let arr =
100 inspector_node.create_int_array("my_vector_of_int32", self.my_vector_of_int32.len());
101 for i in 0..self.my_vector_of_int32.len() {
102 arr.add(i, self.my_vector_of_int32[i] as i64);
103 }
104 inspector_node.record(arr);
105 let arr =
106 inspector_node.create_int_array("my_vector_of_int64", self.my_vector_of_int64.len());
107 for i in 0..self.my_vector_of_int64.len() {
108 arr.add(i, self.my_vector_of_int64[i]);
109 }
110 inspector_node.record(arr);
111 let arr =
112 inspector_node.create_int_array("my_vector_of_int8", self.my_vector_of_int8.len());
113 for i in 0..self.my_vector_of_int8.len() {
114 arr.add(i, self.my_vector_of_int8[i] as i64);
115 }
116 inspector_node.record(arr);
117 let arr = inspector_node
118 .create_string_array("my_vector_of_string", self.my_vector_of_string.len());
119 for i in 0..self.my_vector_of_string.len() {
120 arr.set(i, &self.my_vector_of_string[i]);
121 }
122 inspector_node.record(arr);
123 let arr =
124 inspector_node.create_uint_array("my_vector_of_uint16", self.my_vector_of_uint16.len());
125 for i in 0..self.my_vector_of_uint16.len() {
126 arr.add(i, self.my_vector_of_uint16[i] as u64);
127 }
128 inspector_node.record(arr);
129 let arr =
130 inspector_node.create_uint_array("my_vector_of_uint32", self.my_vector_of_uint32.len());
131 for i in 0..self.my_vector_of_uint32.len() {
132 arr.add(i, self.my_vector_of_uint32[i] as u64);
133 }
134 inspector_node.record(arr);
135 let arr =
136 inspector_node.create_uint_array("my_vector_of_uint64", self.my_vector_of_uint64.len());
137 for i in 0..self.my_vector_of_uint64.len() {
138 arr.add(i, self.my_vector_of_uint64[i]);
139 }
140 inspector_node.record(arr);
141 let arr =
142 inspector_node.create_uint_array("my_vector_of_uint8", self.my_vector_of_uint8.len());
143 for i in 0..self.my_vector_of_uint8.len() {
144 arr.add(i, self.my_vector_of_uint8[i] as u64);
145 }
146 inspector_node.record(arr);
147 }
148}