#[repr(C)]pub struct Header { /* private fields */ }
Expand description
Represents an mDNS packet header.
Implementations§
Source§impl Header
impl Header
Sourcepub fn is_response(&self) -> bool
pub fn is_response(&self) -> bool
Returns true if this is a response (the first bit is 1).
Sourcepub fn question_count(&self) -> usize
pub fn question_count(&self) -> usize
Returns the question count of this header.
Sourcepub fn answer_count(&self) -> usize
pub fn answer_count(&self) -> usize
Returns the answer count of this header.
Returns the authority count of this header.
Sourcepub fn additional_count(&self) -> usize
pub fn additional_count(&self) -> usize
Returns the additional record count of this header.
Trait Implementations§
Source§impl FromBytes for Headerwhere
U16: FromBytes,
impl FromBytes for Headerwhere
U16: FromBytes,
§fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
§fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
§fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
Interprets the suffix of the given bytes as a
&Self
. Read more§fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
§fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
§fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
§fn ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
§fn ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
§fn ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
§fn mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize> + Immutable,
fn mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize> + Immutable,
§fn mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
fn mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
§fn mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
fn mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
Source§impl IntoBytes for Header
impl IntoBytes for Header
§fn as_mut_bytes(&mut self) -> &mut [u8] ⓘwhere
Self: FromBytes,
fn as_mut_bytes(&mut self) -> &mut [u8] ⓘwhere
Self: FromBytes,
Gets the bytes of this value mutably. Read more
§fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
Source§impl KnownLayout for Headerwhere
U16: KnownLayout,
impl KnownLayout for Headerwhere
U16: KnownLayout,
Source§type PointerMetadata = <U16<BigEndian> as KnownLayout>::PointerMetadata
type PointerMetadata = <U16<BigEndian> as KnownLayout>::PointerMetadata
The type of metadata stored in a pointer to
Self
. Read moreSource§impl TryFromBytes for Headerwhere
U16: TryFromBytes,
impl TryFromBytes for Headerwhere
U16: TryFromBytes,
§fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
§fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout,
§fn try_ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
§fn try_ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Attempts to interpret the prefix of the given
source
as a &Self
with
a DST length equal to count
. Read more§fn try_ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Attempts to interpret the suffix of the given
source
as a &Self
with
a DST length equal to count
. Read more§fn try_mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
fn try_mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
§fn try_mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
fn try_mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
Attempts to interpret the prefix of the given
source
as a &mut Self
with a DST length equal to count
. Read more§fn try_mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
fn try_mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize>,
Attempts to interpret the suffix of the given
source
as a &mut Self
with a DST length equal to count
. Read more§fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
§fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
§fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
impl Immutable for Headerwhere
U16: Immutable,
impl Unaligned for Headerwhere
U16: Unaligned,
Auto Trait Implementations§
impl Freeze for Header
impl RefUnwindSafe for Header
impl Send for Header
impl Sync for Header
impl Unpin for Header
impl UnwindSafe for Header
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more