cloudflared-mirror/h2mux/error.go

66 lines
2.3 KiB
Go

package h2mux
import (
"fmt"
"golang.org/x/net/http2"
)
var (
// HTTP2 error codes: https://http2.github.io/http2-spec/#ErrorCodes
ErrHandshakeTimeout = MuxerHandshakeError{"1000 handshake timeout"}
ErrBadHandshakeNotSettings = MuxerHandshakeError{"1001 unexpected response"}
ErrBadHandshakeUnexpectedAck = MuxerHandshakeError{"1002 unexpected response"}
ErrBadHandshakeNoMagic = MuxerHandshakeError{"1003 unexpected response"}
ErrBadHandshakeWrongMagic = MuxerHandshakeError{"1004 connected to endpoint of wrong type"}
ErrBadHandshakeNotSettingsAck = MuxerHandshakeError{"1005 unexpected response"}
ErrBadHandshakeUnexpectedSettings = MuxerHandshakeError{"1006 unexpected response"}
ErrUnexpectedFrameType = MuxerProtocolError{"2001 unexpected frame type", http2.ErrCodeProtocol}
ErrUnknownStream = MuxerProtocolError{"2002 unknown stream", http2.ErrCodeProtocol}
ErrInvalidStream = MuxerProtocolError{"2003 invalid stream", http2.ErrCodeProtocol}
ErrStreamHeadersSent = MuxerApplicationError{"3000 headers already sent"}
ErrStreamRequestConnectionClosed = MuxerApplicationError{"3001 connection closed while opening stream"}
ErrConnectionDropped = MuxerApplicationError{"3002 connection dropped"}
ErrStreamRequestTimeout = MuxerApplicationError{"3003 open stream timeout"}
ErrResponseHeadersTimeout = MuxerApplicationError{"3004 timeout waiting for initial response headers"}
ErrResponseHeadersConnectionClosed = MuxerApplicationError{"3005 connection closed while waiting for initial response headers"}
ErrClosedStream = MuxerStreamError{"4000 stream closed", http2.ErrCodeStreamClosed}
)
type MuxerHandshakeError struct {
cause string
}
func (e MuxerHandshakeError) Error() string {
return fmt.Sprintf("Handshake error: %s", e.cause)
}
type MuxerProtocolError struct {
cause string
h2code http2.ErrCode
}
func (e MuxerProtocolError) Error() string {
return fmt.Sprintf("Protocol error: %s", e.cause)
}
type MuxerApplicationError struct {
cause string
}
func (e MuxerApplicationError) Error() string {
return fmt.Sprintf("Application error: %s", e.cause)
}
type MuxerStreamError struct {
cause string
h2code http2.ErrCode
}
func (e MuxerStreamError) Error() string {
return fmt.Sprintf("Stream error: %s", e.cause)
}