fshost_config/
fshost_config_rust_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_fshostconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x9b, 0xce, 0x7a, 0x77, 0xf1, 0x44, 0xd5, 0x19, 0x26, 0xfc, 0x29, 0x00, 0xed, 0xbe, 0x9b, 0xfa,
8    0x37, 0xa3, 0x52, 0x65, 0xb4, 0x72, 0x48, 0xac, 0x1f, 0x94, 0xa8, 0x94, 0xb3, 0x4b, 0x39, 0x75,
9];
10#[derive(Debug)]
11pub struct Config {
12    pub blobfs: bool,
13    pub blobfs_cache_eviction_policy: String,
14    pub blobfs_initial_inodes: u64,
15    pub blobfs_max_bytes: u64,
16    pub blobfs_use_deprecated_padded_format: bool,
17    pub blobfs_write_compression_algorithm: String,
18    pub bootpart: bool,
19    pub check_filesystems: bool,
20    pub data: bool,
21    pub data_filesystem_format: String,
22    pub data_max_bytes: u64,
23    pub disable_automount: bool,
24    pub disable_block_watcher: bool,
25    pub factory: bool,
26    pub format_data_on_corruption: bool,
27    pub fvm: bool,
28    pub fvm_slice_size: u64,
29    pub fxfs_blob: bool,
30    pub fxfs_crypt_url: String,
31    pub gpt: bool,
32    pub gpt_all: bool,
33    pub inline_crypto: bool,
34    pub mbr: bool,
35    pub nand: bool,
36    pub netboot: bool,
37    pub no_zxcrypt: bool,
38    pub ramdisk_image: bool,
39    pub starnix_volume_name: String,
40    pub storage_host: bool,
41    pub use_disk_migration: bool,
42}
43impl Config {
44    #[doc = r" Take the config startup handle and parse its contents."]
45    #[doc = r""]
46    #[doc = r" # Panics"]
47    #[doc = r""]
48    #[doc = r" If the config startup handle was already taken or if it is not valid."]
49    pub fn take_from_startup_handle() -> Self {
50        <Self as ComponentConfig>::take_from_startup_handle()
51    }
52    #[doc = r" Parse `Self` from `vmo`."]
53    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
54        <Self as ComponentConfig>::from_vmo(vmo)
55    }
56    #[doc = r" Parse `Self` from `bytes`."]
57    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
58        <Self as ComponentConfig>::from_bytes(bytes)
59    }
60    pub fn record_inspect(&self, inspector_node: &Node) {
61        <Self as ComponentConfig>::record_inspect(self, inspector_node)
62    }
63}
64impl ComponentConfig for Config {
65    #[doc = r" Parse `Self` from `bytes`."]
66    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
67        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
68        let checksum_len_bytes: [u8; 2] =
69            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
70        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
71        let (observed_checksum, bytes) =
72            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
73        if observed_checksum != EXPECTED_CHECKSUM {
74            return Err(Error::ChecksumMismatch {
75                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
76                observed_checksum: observed_checksum.to_vec(),
77            });
78        }
79        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
80        Ok(Self {
81            blobfs: fidl_config.blobfs,
82            blobfs_cache_eviction_policy: fidl_config.blobfs_cache_eviction_policy,
83            blobfs_initial_inodes: fidl_config.blobfs_initial_inodes,
84            blobfs_max_bytes: fidl_config.blobfs_max_bytes,
85            blobfs_use_deprecated_padded_format: fidl_config.blobfs_use_deprecated_padded_format,
86            blobfs_write_compression_algorithm: fidl_config.blobfs_write_compression_algorithm,
87            bootpart: fidl_config.bootpart,
88            check_filesystems: fidl_config.check_filesystems,
89            data: fidl_config.data,
90            data_filesystem_format: fidl_config.data_filesystem_format,
91            data_max_bytes: fidl_config.data_max_bytes,
92            disable_automount: fidl_config.disable_automount,
93            disable_block_watcher: fidl_config.disable_block_watcher,
94            factory: fidl_config.factory,
95            format_data_on_corruption: fidl_config.format_data_on_corruption,
96            fvm: fidl_config.fvm,
97            fvm_slice_size: fidl_config.fvm_slice_size,
98            fxfs_blob: fidl_config.fxfs_blob,
99            fxfs_crypt_url: fidl_config.fxfs_crypt_url,
100            gpt: fidl_config.gpt,
101            gpt_all: fidl_config.gpt_all,
102            inline_crypto: fidl_config.inline_crypto,
103            mbr: fidl_config.mbr,
104            nand: fidl_config.nand,
105            netboot: fidl_config.netboot,
106            no_zxcrypt: fidl_config.no_zxcrypt,
107            ramdisk_image: fidl_config.ramdisk_image,
108            starnix_volume_name: fidl_config.starnix_volume_name,
109            storage_host: fidl_config.storage_host,
110            use_disk_migration: fidl_config.use_disk_migration,
111        })
112    }
113    fn record_inspect(&self, inspector_node: &Node) {
114        inspector_node.record_bool("blobfs", self.blobfs);
115        inspector_node
116            .record_string("blobfs_cache_eviction_policy", &self.blobfs_cache_eviction_policy);
117        inspector_node.record_uint("blobfs_initial_inodes", self.blobfs_initial_inodes);
118        inspector_node.record_uint("blobfs_max_bytes", self.blobfs_max_bytes);
119        inspector_node.record_bool(
120            "blobfs_use_deprecated_padded_format",
121            self.blobfs_use_deprecated_padded_format,
122        );
123        inspector_node.record_string(
124            "blobfs_write_compression_algorithm",
125            &self.blobfs_write_compression_algorithm,
126        );
127        inspector_node.record_bool("bootpart", self.bootpart);
128        inspector_node.record_bool("check_filesystems", self.check_filesystems);
129        inspector_node.record_bool("data", self.data);
130        inspector_node.record_string("data_filesystem_format", &self.data_filesystem_format);
131        inspector_node.record_uint("data_max_bytes", self.data_max_bytes);
132        inspector_node.record_bool("disable_automount", self.disable_automount);
133        inspector_node.record_bool("disable_block_watcher", self.disable_block_watcher);
134        inspector_node.record_bool("factory", self.factory);
135        inspector_node.record_bool("format_data_on_corruption", self.format_data_on_corruption);
136        inspector_node.record_bool("fvm", self.fvm);
137        inspector_node.record_uint("fvm_slice_size", self.fvm_slice_size);
138        inspector_node.record_bool("fxfs_blob", self.fxfs_blob);
139        inspector_node.record_string("fxfs_crypt_url", &self.fxfs_crypt_url);
140        inspector_node.record_bool("gpt", self.gpt);
141        inspector_node.record_bool("gpt_all", self.gpt_all);
142        inspector_node.record_bool("inline_crypto", self.inline_crypto);
143        inspector_node.record_bool("mbr", self.mbr);
144        inspector_node.record_bool("nand", self.nand);
145        inspector_node.record_bool("netboot", self.netboot);
146        inspector_node.record_bool("no_zxcrypt", self.no_zxcrypt);
147        inspector_node.record_bool("ramdisk_image", self.ramdisk_image);
148        inspector_node.record_string("starnix_volume_name", &self.starnix_volume_name);
149        inspector_node.record_bool("storage_host", self.storage_host);
150        inspector_node.record_bool("use_disk_migration", self.use_disk_migration);
151    }
152}