1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/github.com/pion/ice/v2/candidatetype.go b/vendor/github.com/pion/ice/v2/candidatetype.go
new file mode 100644
index 0000000..376c408
--- /dev/null
+++ b/vendor/github.com/pion/ice/v2/candidatetype.go
@@ -0,0 +1,62 @@
+package ice
+
+// CandidateType represents the type of candidate
+type CandidateType byte
+
+// CandidateType enum
+const (
+	CandidateTypeUnspecified CandidateType = iota
+	CandidateTypeHost
+	CandidateTypeServerReflexive
+	CandidateTypePeerReflexive
+	CandidateTypeRelay
+)
+
+// String makes CandidateType printable
+func (c CandidateType) String() string {
+	switch c {
+	case CandidateTypeHost:
+		return "host"
+	case CandidateTypeServerReflexive:
+		return "srflx"
+	case CandidateTypePeerReflexive:
+		return "prflx"
+	case CandidateTypeRelay:
+		return "relay"
+	case CandidateTypeUnspecified:
+		return "Unknown candidate type"
+	}
+	return "Unknown candidate type"
+}
+
+// Preference returns the preference weight of a CandidateType
+//
+// 4.1.2.2.  Guidelines for Choosing Type and Local Preferences
+// The RECOMMENDED values are 126 for host candidates, 100
+// for server reflexive candidates, 110 for peer reflexive candidates,
+// and 0 for relayed candidates.
+func (c CandidateType) Preference() uint16 {
+	switch c {
+	case CandidateTypeHost:
+		return 126
+	case CandidateTypePeerReflexive:
+		return 110
+	case CandidateTypeServerReflexive:
+		return 100
+	case CandidateTypeRelay, CandidateTypeUnspecified:
+		return 0
+	}
+	return 0
+}
+
+func containsCandidateType(candidateType CandidateType, candidateTypeList []CandidateType) bool {
+	if candidateTypeList == nil {
+		return false
+	}
+	for _, ct := range candidateTypeList {
+		if ct == candidateType {
+			return true
+		}
+	}
+	return false
+}