github.com/apernet/quic-go@v0.43.1-0.20240515053213-5e9e635fd9f0/errors.go (about)

     1  package quic
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/apernet/quic-go/internal/qerr"
     7  )
     8  
     9  type (
    10  	TransportError          = qerr.TransportError
    11  	ApplicationError        = qerr.ApplicationError
    12  	VersionNegotiationError = qerr.VersionNegotiationError
    13  	StatelessResetError     = qerr.StatelessResetError
    14  	IdleTimeoutError        = qerr.IdleTimeoutError
    15  	HandshakeTimeoutError   = qerr.HandshakeTimeoutError
    16  )
    17  
    18  type (
    19  	TransportErrorCode   = qerr.TransportErrorCode
    20  	ApplicationErrorCode = qerr.ApplicationErrorCode
    21  	StreamErrorCode      = qerr.StreamErrorCode
    22  )
    23  
    24  const (
    25  	NoError                   = qerr.NoError
    26  	InternalError             = qerr.InternalError
    27  	ConnectionRefused         = qerr.ConnectionRefused
    28  	FlowControlError          = qerr.FlowControlError
    29  	StreamLimitError          = qerr.StreamLimitError
    30  	StreamStateError          = qerr.StreamStateError
    31  	FinalSizeError            = qerr.FinalSizeError
    32  	FrameEncodingError        = qerr.FrameEncodingError
    33  	TransportParameterError   = qerr.TransportParameterError
    34  	ConnectionIDLimitError    = qerr.ConnectionIDLimitError
    35  	ProtocolViolation         = qerr.ProtocolViolation
    36  	InvalidToken              = qerr.InvalidToken
    37  	ApplicationErrorErrorCode = qerr.ApplicationErrorErrorCode
    38  	CryptoBufferExceeded      = qerr.CryptoBufferExceeded
    39  	KeyUpdateError            = qerr.KeyUpdateError
    40  	AEADLimitReached          = qerr.AEADLimitReached
    41  	NoViablePathError         = qerr.NoViablePathError
    42  )
    43  
    44  // A StreamError is used for Stream.CancelRead and Stream.CancelWrite.
    45  // It is also returned from Stream.Read and Stream.Write if the peer canceled reading or writing.
    46  type StreamError struct {
    47  	StreamID  StreamID
    48  	ErrorCode StreamErrorCode
    49  	Remote    bool
    50  }
    51  
    52  func (e *StreamError) Is(target error) bool {
    53  	_, ok := target.(*StreamError)
    54  	return ok
    55  }
    56  
    57  func (e *StreamError) Error() string {
    58  	pers := "local"
    59  	if e.Remote {
    60  		pers = "remote"
    61  	}
    62  	return fmt.Sprintf("stream %d canceled by %s with error code %d", e.StreamID, pers, e.ErrorCode)
    63  }
    64  
    65  // DatagramTooLargeError is returned from Connection.SendDatagram if the payload is too large to be sent.
    66  type DatagramTooLargeError struct {
    67  	MaxDataLen int64
    68  }
    69  
    70  func (e *DatagramTooLargeError) Is(target error) bool {
    71  	_, ok := target.(*DatagramTooLargeError)
    72  	return ok
    73  }
    74  
    75  func (e *DatagramTooLargeError) Error() string { return "DATAGRAM frame too large" }