PackageHeader

veridian_kernel::pkg::format

Struct PackageHeader

#[repr(C, packed(1))]pub struct PackageHeader {
    pub magic: [u8; 4],
    pub version: u32,
    pub pkg_type: u8,
    pub compression: u8,
    pub _reserved: [u8; 6],
    pub metadata_offset: u64,
    pub metadata_size: u64,
    pub content_offset: u64,
    pub content_size: u64,
    pub signature_offset: u64,
    pub signature_size: u64,
}

Expand description

Package file header (64 bytes)

Fields§

§magic: [u8; 4]

Magic number “VPKG”

§version: u32

Format version

§pkg_type: u8

Package type

§compression: u8

Compression algorithm

§_reserved: [u8; 6]

Reserved bytes

§metadata_offset: u64

Offset to metadata section

§metadata_size: u64

Size of metadata section

§content_offset: u64

Offset to content section

§content_size: u64

Size of content section

§signature_offset: u64

Offset to signature section

§signature_size: u64

Size of signature section

Implementations§

impl PackageHeader

pub fn new( pkg_type: PackageType, compression: Compression, metadata_size: u64, content_size: u64, signature_size: u64, ) -> Self

Create new package header

pub fn validate(&self) -> bool

Validate package header

pub fn get_type(&self) -> Option<PackageType>

Get package type

pub fn get_compression(&self) -> Option<Compression>

Get compression algorithm

Trait Implementations§

impl Clone for PackageHeader

fn clone(&self) -> PackageHeader

Returns a duplicate of the value. Read more

1.0.0§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for PackageHeader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Copy for PackageHeader

Auto Trait Implementations§

impl Freeze for PackageHeader

impl RefUnwindSafe for PackageHeader

impl Send for PackageHeader

impl Sync for PackageHeader

impl Unpin for PackageHeader

impl UnwindSafe for PackageHeader

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.