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introduce a dedicated qerr.TransportError and qerr.ApplicationError

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This commit is contained in:
Marten Seemann
2021-04-24 22:11:06 +07:00
parent ddeb2281fc
commit 592fb9cad9
57 changed files with 845 additions and 521 deletions
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57
internal/qerr/error_codes.go
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@@ -6,51 +6,44 @@ import (
"github.com/lucas-clemente/quic-go/internal/qtls"
)
// ErrorCode can be used as a normal error without reason.
type ErrorCode uint64
// TransportErrorCode is a QUIC transport error.
type TransportErrorCode uint64
// The error codes defined by QUIC
const (
NoError ErrorCode = 0x0
InternalError ErrorCode = 0x1
ConnectionRefused ErrorCode = 0x2
FlowControlError ErrorCode = 0x3
StreamLimitError ErrorCode = 0x4
StreamStateError ErrorCode = 0x5
FinalSizeError ErrorCode = 0x6
FrameEncodingError ErrorCode = 0x7
TransportParameterError ErrorCode = 0x8
ConnectionIDLimitError ErrorCode = 0x9
ProtocolViolation ErrorCode = 0xa
InvalidToken ErrorCode = 0xb
ApplicationError ErrorCode = 0xc
CryptoBufferExceeded ErrorCode = 0xd
KeyUpdateError ErrorCode = 0xe
AEADLimitReached ErrorCode = 0xf
NoViablePathError ErrorCode = 0x10
NoError TransportErrorCode = 0x0
InternalError TransportErrorCode = 0x1
ConnectionRefused TransportErrorCode = 0x2
FlowControlError TransportErrorCode = 0x3
StreamLimitError TransportErrorCode = 0x4
StreamStateError TransportErrorCode = 0x5
FinalSizeError TransportErrorCode = 0x6
FrameEncodingError TransportErrorCode = 0x7
TransportParameterError TransportErrorCode = 0x8
ConnectionIDLimitError TransportErrorCode = 0x9
ProtocolViolation TransportErrorCode = 0xa
InvalidToken TransportErrorCode = 0xb
ApplicationErrorErrorCode TransportErrorCode = 0xc
CryptoBufferExceeded TransportErrorCode = 0xd
KeyUpdateError TransportErrorCode = 0xe
AEADLimitReached TransportErrorCode = 0xf
NoViablePathError TransportErrorCode = 0x10
)
func (e ErrorCode) isCryptoError() bool {
func (e TransportErrorCode) IsCryptoError() bool {
return e >= 0x100 && e < 0x200
}
func (e ErrorCode) Error() string {
if e.isCryptoError() {
return fmt.Sprintf("%s: %s", e.String(), e.Message())
}
return e.String()
}
// Message is a description of the error.
// It only returns a non-empty string for crypto errors.
func (e ErrorCode) Message() string {
if !e.isCryptoError() {
func (e TransportErrorCode) Message() string {
if !e.IsCryptoError() {
return ""
}
return qtls.Alert(e - 0x100).Error()
}
func (e ErrorCode) String() string {
func (e TransportErrorCode) String() string {
switch e {
case NoError:
return "NO_ERROR"
@@ -76,7 +69,7 @@ func (e ErrorCode) String() string {
return "PROTOCOL_VIOLATION"
case InvalidToken:
return "INVALID_TOKEN"
case ApplicationError:
case ApplicationErrorErrorCode:
return "APPLICATION_ERROR"
case CryptoBufferExceeded:
return "CRYPTO_BUFFER_EXCEEDED"
@@ -87,7 +80,7 @@ func (e ErrorCode) String() string {
case NoViablePathError:
return "NO_VIABLE_PATH"
default:
if e.isCryptoError() {
if e.IsCryptoError() {
return fmt.Sprintf("CRYPTO_ERROR (%#x)", uint16(e))
}
return fmt.Sprintf("unknown error code: %#x", uint16(e))