Enum Error

#[non_exhaustive]
pub enum Error {
    NotEnoughWriteSpace {
        tried_to_write: NonZeroUsize,
        available: usize,
        buffer_type: &'static str,
    },
    NotEnoughReadBytes {
        tried_to_read: NonZeroUsize,
        available: usize,
    },
    Parse {
        name: &'static str,
    },
    NameTooLong(usize),
    InvalidUtf8(Utf8Error),
    InvalidCode(InvalidCode),
    TooManyUrlSegments(usize),
}

An error that may occur while using the DNS protocol.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

NotEnoughWriteSpace

We are trying to write to a buffer, but the buffer doesn’t have enough space.

This error can be fixed by increasing the size of the buffer.

Fields

tried_to_write: NonZeroUsize

The number of entries we tried to write.

available: usize

The number of entries that were available in the buffer.

buffer_type: &'static str

The type of the buffer that we tried to write to.

NotEnoughReadBytes

We attempted to read from a buffer, but we ran out of room before we could read the entire value.

This error can be fixed by reading more bytes.

Fields

tried_to_read: NonZeroUsize

The number of bytes we tried to read.

available: usize

The number of bytes that were available in the buffer.

Parse

We tried to parse this value, but it was invalid.

Fields

name: &'static str

The name of the value we tried to parse.

NameTooLong(usize)

We tried to serialize a string longer than 256 bytes.

InvalidUtf8(Utf8Error)

We could not create a valid UTF-8 string from the bytes we read.

InvalidCode(InvalidCode)

We could not convert a raw number to a code.

TooManyUrlSegments(usize)

We do not support this many URL segments.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

fn source(&self) -> Option<&(dyn StdError + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<InvalidCode> for Error

fn from(err: InvalidCode) -> Self

Converts to this type from the input type.

impl From<Utf8Error> for Error

fn from(err: Utf8Error) -> Self

Converts to this type from the input type.