pub struct Reason(/* private fields */);
Expand description
HTTP/2 error codes.
Error codes are used in RST_STREAM
and GOAWAY
frames to convey the
reasons for the stream or connection error. For example,
SendStream::send_reset
takes a Reason
argument. Also, the Error
type
may contain a Reason
.
Error codes share a common code space. Some error codes apply only to streams, others apply only to connections, and others may apply to either. See [RFC 7540] for more information.
Implementations§
source§impl Reason
impl Reason
sourcepub const NO_ERROR: Reason = _
pub const NO_ERROR: Reason = _
The associated condition is not a result of an error.
For example, a GOAWAY might include this code to indicate graceful shutdown of a connection.
sourcepub const PROTOCOL_ERROR: Reason = _
pub const PROTOCOL_ERROR: Reason = _
The endpoint detected an unspecific protocol error.
This error is for use when a more specific error code is not available.
sourcepub const INTERNAL_ERROR: Reason = _
pub const INTERNAL_ERROR: Reason = _
The endpoint encountered an unexpected internal error.
sourcepub const FLOW_CONTROL_ERROR: Reason = _
pub const FLOW_CONTROL_ERROR: Reason = _
The endpoint detected that its peer violated the flow-control protocol.
sourcepub const SETTINGS_TIMEOUT: Reason = _
pub const SETTINGS_TIMEOUT: Reason = _
The endpoint sent a SETTINGS frame but did not receive a response in a timely manner.
sourcepub const STREAM_CLOSED: Reason = _
pub const STREAM_CLOSED: Reason = _
The endpoint received a frame after a stream was half-closed.
sourcepub const FRAME_SIZE_ERROR: Reason = _
pub const FRAME_SIZE_ERROR: Reason = _
The endpoint received a frame with an invalid size.
sourcepub const REFUSED_STREAM: Reason = _
pub const REFUSED_STREAM: Reason = _
The endpoint refused the stream prior to performing any application processing.
sourcepub const CANCEL: Reason = _
pub const CANCEL: Reason = _
Used by the endpoint to indicate that the stream is no longer needed.
sourcepub const COMPRESSION_ERROR: Reason = _
pub const COMPRESSION_ERROR: Reason = _
The endpoint is unable to maintain the header compression context for the connection.
sourcepub const CONNECT_ERROR: Reason = _
pub const CONNECT_ERROR: Reason = _
The connection established in response to a CONNECT request was reset or abnormally closed.
sourcepub const ENHANCE_YOUR_CALM: Reason = _
pub const ENHANCE_YOUR_CALM: Reason = _
The endpoint detected that its peer is exhibiting a behavior that might be generating excessive load.
sourcepub const INADEQUATE_SECURITY: Reason = _
pub const INADEQUATE_SECURITY: Reason = _
The underlying transport has properties that do not meet minimum security requirements.
sourcepub const HTTP_1_1_REQUIRED: Reason = _
pub const HTTP_1_1_REQUIRED: Reason = _
The endpoint requires that HTTP/1.1 be used instead of HTTP/2.
sourcepub fn description(&self) -> &str
pub fn description(&self) -> &str
Get a string description of the error code.