添加 github.com/pion/dtls 代码

dtls-2.0.9/pkg/protocol/version.go

@@ -0,0 +1,21 @@
+// Package protocol provides the DTLS wire format
+package protocol
+
+// Version enums
+var (
+	Version1_0 = Version{Major: 0xfe, Minor: 0xff} //nolint:gochecknoglobals
+	Version1_2 = Version{Major: 0xfe, Minor: 0xfd} //nolint:gochecknoglobals
+)
+
+// Version is the minor/major value in the RecordLayer
+// and ClientHello/ServerHello
+//
+// https://tools.ietf.org/html/rfc4346#section-6.2.1
+type Version struct {
+	Major, Minor uint8
+}
+
+// Equal determines if two protocol versions are equal
+func (v Version) Equal(x Version) bool {
+	return v.Major == x.Major && v.Minor == x.Minor
+}