Enum RequestFrameError 

pub enum RequestFrameError {
    RequestTooLarge {
        len: usize,
    },
    BufferTooSmall {
        needed: usize,
        available: usize,
    },
}

A request could not be framed. Nothing was written to the header, so a caller that sends only what a successful call reported sends nothing that could desync the node’s framing.

Variants

RequestTooLarge

The body, with the tag and the ID in front of it, would not fit in one frame of MAX_FRAME_SIZE bytes. len is that payload length (tag, ID and body), saturated at usize::MAX for an absurd body length.

Fields

len: usize

BufferTooSmall

The buffer cannot hold the frame: needed bytes, header included, against the available length of the buffer. Either the buffer is shorter than REQUEST_HEADER_LEN, or the body runs past its end (from an encoder, a bug: it reported more than it was handed).

Fields

needed: usize

available: usize

Trait Implementations

impl Clone for RequestFrameError

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RequestFrameError

impl Debug for RequestFrameError

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

Formats the value using the given formatter.

impl Display for RequestFrameError

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

Formats the value using the given formatter.

impl Eq for RequestFrameError

impl Error for RequestFrameError

fn source(&self) -> Option<&(dyn Error + '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<RequestFrameError> for ProtocolError

fn from(e: RequestFrameError) -> Self

For a codec whose error is ProtocolError, so its request encoder frames with ?. An oversized request is MessageTooLarge with the payload length; a buffer too small is Truncated, what this crate’s own encoders report for a buffer that cannot hold their output.

impl PartialEq for RequestFrameError

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for RequestFrameError