63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
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package stun
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import "errors"
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// DecodeErr records an error and place when it is occurred.
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type DecodeErr struct {
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Place DecodeErrPlace
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Message string
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}
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// IsInvalidCookie returns true if error means that magic cookie
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// value is invalid.
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func (e DecodeErr) IsInvalidCookie() bool {
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return e.Place == DecodeErrPlace{"message", "cookie"}
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}
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// IsPlaceParent reports if error place parent is p.
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func (e DecodeErr) IsPlaceParent(p string) bool {
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return e.Place.Parent == p
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}
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// IsPlaceChildren reports if error place children is c.
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func (e DecodeErr) IsPlaceChildren(c string) bool {
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return e.Place.Children == c
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}
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// IsPlace reports if error place is p.
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func (e DecodeErr) IsPlace(p DecodeErrPlace) bool {
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return e.Place == p
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}
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// DecodeErrPlace records a place where error is occurred.
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type DecodeErrPlace struct {
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Parent string
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Children string
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}
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func (p DecodeErrPlace) String() string {
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return p.Parent + "/" + p.Children
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}
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func (e DecodeErr) Error() string {
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return "BadFormat for " + e.Place.String() + ": " + e.Message
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}
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func newDecodeErr(parent, children, message string) *DecodeErr {
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return &DecodeErr{
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Place: DecodeErrPlace{Parent: parent, Children: children},
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Message: message,
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}
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}
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// TODO(ar): rewrite errors to be more precise.
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func newAttrDecodeErr(children, message string) *DecodeErr {
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return newDecodeErr("attribute", children, message)
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}
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// ErrAttributeSizeInvalid means that decoded attribute size is invalid.
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var ErrAttributeSizeInvalid = errors.New("attribute size is invalid")
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// ErrAttributeSizeOverflow means that decoded attribute size is too big.
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var ErrAttributeSizeOverflow = errors.New("attribute size overflow")
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