Class: Protocol::HTTP2::Error

Inherits:
HTTP::Error
  • Object
show all
Defined in:
lib/protocol/http2/error.rb

Overview

Status codes as defined by https://tools.ietf.org/html/rfc7540#section-7.

Direct Known Subclasses

HandshakeError, ProtocolError

Constant Summary collapse

NO_ERROR =

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.

0x0
PROTOCOL_ERROR =

The endpoint detected an unspecific protocol error. This error is for use when a more specific error code is not available.

0x1
INTERNAL_ERROR =

The endpoint encountered an unexpected internal error.

0x2
FLOW_CONTROL_ERROR =

The endpoint detected that its peer violated the flow-control protocol.

0x3
SETTINGS_TIMEOUT =

The endpoint sent a SETTINGS frame but did not receive a response in a timely manner.

0x4
STREAM_CLOSED =

The endpoint received a frame after a stream was half-closed.

0x5
FRAME_SIZE_ERROR =

The endpoint received a frame with an invalid size.

0x6
REFUSED_STREAM =

The endpoint refused the stream prior to performing any application processing.

0x7
CANCEL =

Used by the endpoint to indicate that the stream is no longer needed.

0x8
COMPRESSION_ERROR =

The endpoint is unable to maintain the header compression context for the connection.

0x9
CONNECT_ERROR =

The connection established in response to a CONNECT request was reset or abnormally closed.

0xA
ENHANCE_YOUR_CALM =

The endpoint detected that its peer is exhibiting a behavior that might be generating excessive load.

0xB
INADEQUATE_SECURITY =

The underlying transport has properties that do not meet minimum security requirements.

0xC
HTTP_1_1_REQUIRED =

The endpoint requires that HTTP/1.1 be used instead of HTTP/2.

0xD
MESSAGES = 
{
	NO_ERROR => "No error.",
	PROTOCOL_ERROR => "Protocol error!",
	INTERNAL_ERROR => "Internal error!",
	FLOW_CONTROL_ERROR => "Flow control error!",
	SETTINGS_TIMEOUT => "Settings timeout!",
	STREAM_CLOSED => "Stream closed!",
	FRAME_SIZE_ERROR => "Frame size error!",
	REFUSED_STREAM => "Stream refused.",
	CANCEL => "Stream cancelled.",
	COMPRESSION_ERROR => "Compression error!",
	CONNECT_ERROR => "Connect error!",
	ENHANCE_YOUR_CALM => "Enhance your calm!",
	INADEQUATE_SECURITY => "Inadequate security!",
	HTTP_1_1_REQUIRED => "HTTP/1.1 required.",
}

Class Method Summary collapse

Class Method Details

.message_for(code) ⇒ Object

Get the message for a given HTTP/2 error code.



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# File 'lib/protocol/http2/error.rb', line 74

def self.message_for(code)
	return MESSAGES.fetch(code) do
		# Unknown error codes are allowed by the protocol, but don't have a static message.
		"Unknown code: #{code}!"
	end
end