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package pktline
import (
"errors"
"fmt"
)
var (
// ErrInvalidLength indicates a malformed 4-byte hexadecimal length header.
ErrInvalidLength = errors.New("pktline: invalid length header")
// ErrTooLarge indicates a payload exceeds configured packet data limits.
ErrTooLarge = errors.New("pktline: payload too large")
)
// ProtocolError reports invalid pkt-line framing.
//
// It is returned for protocol violations such as invalid control values
// (for example 0003) or non-hex length headers.
type ProtocolError struct {
Header [4]byte
Reason string
}
func (e *ProtocolError) Error() string {
if e == nil {
return "<nil>"
}
if e.Reason == "" {
return "pktline: protocol error"
}
return fmt.Sprintf("pktline: protocol error: %s", e.Reason)
}
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