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WasiContextBuilder

sh_layer4::plugin_loader::wasm

Struct WasiContextBuilder

pub struct WasiContextBuilder { /* private fields */ }

Expand description

WASI context builder for sandboxed execution

Implementations§

impl WasiContextBuilder

pub fn new() -> Self

Create new WASI context builder

pub fn preopen(&mut self, guest_path: &str, host_path: PathBuf) -> &mut Self

Add a preopened directory with full permissions

pub fn preopen_readonly( &mut self, guest_path: &str, host_path: PathBuf, ) -> &mut Self

Add a preopened directory with read-only permissions

pub fn preopen_with_perms( &mut self, guest_path: &str, host_path: PathBuf, dir_perms: DirPerms, file_perms: FilePerms, ) -> &mut Self

Add a preopened directory with custom permissions

pub fn env(&mut self, key: &str, value: &str) -> &mut Self

Set an environment variable

pub fn envs(&mut self, envs: &[(impl AsRef<str>, impl AsRef<str>)]) -> &mut Self

Add multiple environment variables

pub fn arg(&mut self, arg: &str) -> &mut Self

Add an argument

pub fn args(&mut self, args: &[impl AsRef<str>]) -> &mut Self

Add multiple arguments

pub fn inherit_stdio(&mut self, inherit: bool) -> &mut Self

Inherit standard I/O (stdin, stdout, stderr)

pub fn inherit_env(&mut self, inherit: bool) -> &mut Self

Inherit all environment variables from host process

pub fn build(&self) -> WasiCtx

Build the WASI context

Trait Implementations§

impl Default for WasiContextBuilder

fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl Freeze for WasiContextBuilder

impl RefUnwindSafe for WasiContextBuilder

impl Send for WasiContextBuilder

impl Sync for WasiContextBuilder

impl Unpin for WasiContextBuilder

impl UnsafeUnpin for WasiContextBuilder

impl UnwindSafe for WasiContextBuilder

Blanket Implementations§

impl<T> AlignerFor<1> for T

type Aligner = AlignTo1<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<2> for T

type Aligner = AlignTo2<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<4> for T

type Aligner = AlignTo4<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<8> for T

type Aligner = AlignTo8<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<16> for T

type Aligner = AlignTo16<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<32> for T

type Aligner = AlignTo32<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<64> for T

type Aligner = AlignTo64<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<128> for T

type Aligner = AlignTo128<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<256> for T

type Aligner = AlignTo256<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<512> for T

type Aligner = AlignTo512<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<1024> for T

type Aligner = AlignTo1024<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<2048> for T

type Aligner = AlignTo2048<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<4096> for T

type Aligner = AlignTo4096<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<8192> for T

type Aligner = AlignTo8192<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<16384> for T

type Aligner = AlignTo16384<T>

The AlignTo* type which aligns Self to ALIGNMENT.

impl<T> AlignerFor<32768> for T

type Aligner = AlignTo32768<T>

The AlignTo* type which aligns Self to ALIGNMENT.

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> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> GetSetFdFlags for T

fn get_fd_flags(&self) -> Result<FdFlags, Error>
where T: AsFilelike,

Query the “status” flags for the self file descriptor.

fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error>
where T: AsFilelike,

Create a new SetFdFlags value for use with set_fd_flags. Read more

fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error>
where T: Sized + AsFilelike,

Set the “status” flags for the self file descriptor. Read more

impl<T, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

const WITNESS: W = W::MAKE

A constant of the type witness

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

const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.

type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Pointee for T

type Pointer = u32

fn debug( pointer: <T as Pointee>::Pointer, f: &mut Formatter<'_>, ) -> Result<(), Error>

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

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<S> ROExtAcc for S

fn f_get<F>(&self, offset: FieldOffset<S, F, Aligned>) -> &F

Gets a reference to a field, determined by offset. Read more

fn f_get_mut<F>(&mut self, offset: FieldOffset<S, F, Aligned>) -> &mut F

Gets a muatble reference to a field, determined by offset. Read more

fn f_get_ptr<F, A>(&self, offset: FieldOffset<S, F, A>) -> *const F

Gets a const pointer to a field, the field is determined by offset. Read more

fn f_get_mut_ptr<F, A>(&mut self, offset: FieldOffset<S, F, A>) -> *mut F

Gets a mutable pointer to a field, determined by offset. Read more

impl<S> ROExtOps<Aligned> for S

fn f_replace<F>(&mut self, offset: FieldOffset<S, F, Aligned>, value: F) -> F

Replaces a field (determined by offset) with value, returning the previous value of the field. Read more

fn f_swap<F>(&mut self, offset: FieldOffset<S, F, Aligned>, right: &mut S)

Swaps a field (determined by offset) with the same field in right. Read more

fn f_get_copy<F>(&self, offset: FieldOffset<S, F, Aligned>) -> F
where F: Copy,

Gets a copy of a field (determined by offset). The field is determined by offset. Read more

impl<S> ROExtOps<Unaligned> for S

fn f_replace<F>(&mut self, offset: FieldOffset<S, F, Unaligned>, value: F) -> F

Replaces a field (determined by offset) with value, returning the previous value of the field. Read more

fn f_swap<F>(&mut self, offset: FieldOffset<S, F, Unaligned>, right: &mut S)

Swaps a field (determined by offset) with the same field in right. Read more

fn f_get_copy<F>(&self, offset: FieldOffset<S, F, Unaligned>) -> F
where F: Copy,

Gets a copy of a field (determined by offset). The field is determined by offset. Read more

impl<T> Same for T

type Output = T

Should always be Self

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

fn eq_id(&self, other: &Self) -> bool

Compares the address of self with the address of other. Read more

fn piped<F, U>(self, f: F) -> U
where F: FnOnce(Self) -> U, Self: Sized,

Emulates the pipeline operator, allowing method syntax in more places. Read more

fn piped_ref<'a, F, U>(&'a self, f: F) -> U
where F: FnOnce(&'a Self) -> U,

The same as piped except that the function takes &Self Useful for functions that take &Self instead of Self. Read more

fn piped_mut<'a, F, U>(&'a mut self, f: F) -> U
where F: FnOnce(&'a mut Self) -> U,

The same as piped, except that the function takes &mut Self. Useful for functions that take &mut Self instead of Self.

fn mutated<F>(self, f: F) -> Self
where F: FnOnce(&mut Self), Self: Sized,

Mutates self using a closure taking self by mutable reference, passing it along the method chain. Read more

fn observe<F>(self, f: F) -> Self
where F: FnOnce(&Self), Self: Sized,

Observes the value of self, passing it along unmodified. Useful in long method chains. Read more

fn into_<T>(self) -> T
where Self: Into<T>,

Performs a conversion with Into. using the turbofish .into_::<_>() syntax. Read more

fn as_ref_<T>(&self) -> &T
where Self: AsRef<T>, T: ?Sized,

Performs a reference to reference conversion with AsRef, using the turbofish .as_ref_::<_>() syntax. Read more

fn as_mut_<T>(&mut self) -> &mut T
where Self: AsMut<T>, T: ?Sized,

Performs a mutable reference to mutable reference conversion with AsMut, using the turbofish .as_mut_::<_>() syntax. Read more

fn drop_(self)
where Self: Sized,

Drops self using method notation. Alternative to std::mem::drop. Read more

impl<This> TransmuteElement for This
where This: ?Sized,

unsafe fn transmute_element<T>(self) -> Self::TransmutedPtr
where Self: CanTransmuteElement<T>,

Transmutes the element type of this pointer.. 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.

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

type Type = T

This is always Self.

fn into_type(self) -> Self::Type
where Self: Sized, Self::Type: Sized,

Converts a value back to the original type.

fn as_type(&self) -> &Self::Type

Converts a reference back to the original type.

fn as_type_mut(&mut self) -> &mut Self::Type

Converts a mutable reference back to the original type.

fn into_type_box(self: Box<Self>) -> Box<Self::Type>

Converts a box back to the original type.

fn into_type_arc(this: Arc<Self>) -> Arc<Self::Type> ⓘ

Converts an Arc back to the original type. Read more

fn into_type_rc(this: Rc<Self>) -> Rc<Self::Type>

Converts an Rc back to the original type. Read more

fn from_type(this: Self::Type) -> Self
where Self: Sized, Self::Type: Sized,

Converts a value back to the original type.

fn from_type_ref(this: &Self::Type) -> &Self

Converts a reference back to the original type.

fn from_type_mut(this: &mut Self::Type) -> &mut Self

Converts a mutable reference back to the original type.

fn from_type_box(this: Box<Self::Type>) -> Box<Self>

Converts a box back to the original type.

fn from_type_arc(this: Arc<Self::Type>) -> Arc<Self> ⓘ

Converts an Arc back to the original type.

fn from_type_rc(this: Rc<Self::Type>) -> Rc<Self>

Converts an Rc back to the original type.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more