添加 github.com/pion/dtls 代码

dtls-2.0.9/pkg/protocol/recordlayer/errors.go

@@ -0,0 +1,16 @@
+// Package recordlayer implements the TLS Record Layer https://tools.ietf.org/html/rfc5246#section-6
+package recordlayer
+
+import (
+	"errors"
+
+	"github.com/pion/dtls/v2/pkg/protocol"
+)
+
+var (
+	errBufferTooSmall             = &protocol.TemporaryError{Err: errors.New("buffer is too small")}                            //nolint:goerr113
+	errInvalidPacketLength        = &protocol.TemporaryError{Err: errors.New("packet length and declared length do not match")} //nolint:goerr113
+	errSequenceNumberOverflow     = &protocol.InternalError{Err: errors.New("sequence number overflow")}                        //nolint:goerr113
+	errUnsupportedProtocolVersion = &protocol.FatalError{Err: errors.New("unsupported protocol version")}                       //nolint:goerr113
+	errInvalidContentType         = &protocol.TemporaryError{Err: errors.New("invalid content type")}                           //nolint:goerr113
+)