96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package qerr
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import (
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"fmt"
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"github.com/lucas-clemente/quic-go/internal/qtls"
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)
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// ErrorCode can be used as a normal error without reason.
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type ErrorCode uint64
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// The error codes defined by QUIC
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const (
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NoError ErrorCode = 0x0
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InternalError ErrorCode = 0x1
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ConnectionRefused ErrorCode = 0x2
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FlowControlError ErrorCode = 0x3
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StreamLimitError ErrorCode = 0x4
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StreamStateError ErrorCode = 0x5
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FinalSizeError ErrorCode = 0x6
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FrameEncodingError ErrorCode = 0x7
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TransportParameterError ErrorCode = 0x8
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ConnectionIDLimitError ErrorCode = 0x9
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ProtocolViolation ErrorCode = 0xa
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InvalidToken ErrorCode = 0xb
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ApplicationError ErrorCode = 0xc
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CryptoBufferExceeded ErrorCode = 0xd
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KeyUpdateError ErrorCode = 0xe
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AEADLimitReached ErrorCode = 0xf
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NoViablePathError ErrorCode = 0x10
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)
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func (e ErrorCode) isCryptoError() bool {
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return e >= 0x100 && e < 0x200
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}
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func (e ErrorCode) Error() string {
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if e.isCryptoError() {
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return fmt.Sprintf("%s: %s", e.String(), e.Message())
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}
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return e.String()
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}
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// Message is a description of the error.
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// It only returns a non-empty string for crypto errors.
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func (e ErrorCode) Message() string {
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if !e.isCryptoError() {
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return ""
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}
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return qtls.Alert(e - 0x100).Error()
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}
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func (e ErrorCode) String() string {
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switch e {
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case NoError:
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return "NO_ERROR"
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case InternalError:
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return "INTERNAL_ERROR"
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case ConnectionRefused:
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return "CONNECTION_REFUSED"
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case FlowControlError:
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return "FLOW_CONTROL_ERROR"
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case StreamLimitError:
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return "STREAM_LIMIT_ERROR"
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case StreamStateError:
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return "STREAM_STATE_ERROR"
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case FinalSizeError:
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return "FINAL_SIZE_ERROR"
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case FrameEncodingError:
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return "FRAME_ENCODING_ERROR"
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case TransportParameterError:
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return "TRANSPORT_PARAMETER_ERROR"
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case ConnectionIDLimitError:
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return "CONNECTION_ID_LIMIT_ERROR"
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case ProtocolViolation:
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return "PROTOCOL_VIOLATION"
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case InvalidToken:
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return "INVALID_TOKEN"
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case ApplicationError:
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return "APPLICATION_ERROR"
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case CryptoBufferExceeded:
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return "CRYPTO_BUFFER_EXCEEDED"
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case KeyUpdateError:
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return "KEY_UPDATE_ERROR"
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case AEADLimitReached:
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return "AEAD_LIMIT_REACHED"
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case NoViablePathError:
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return "NO_VIABLE_PATH"
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default:
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if e.isCryptoError() {
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return fmt.Sprintf("CRYPTO_ERROR (%#x)", uint16(e))
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}
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return fmt.Sprintf("unknown error code: %#x", uint16(e))
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}
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}
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