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server/vendor/github.com/pion/webrtc/v3/icetransportstate.go

@@ -0,0 +1,110 @@
+// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+package webrtc
+
+import "github.com/pion/ice/v2"
+
+// ICETransportState represents the current state of the ICE transport.
+type ICETransportState int
+
+const (
+	// ICETransportStateNew indicates the ICETransport is waiting
+	// for remote candidates to be supplied.
+	ICETransportStateNew = iota + 1
+
+	// ICETransportStateChecking indicates the ICETransport has
+	// received at least one remote candidate, and a local and remote
+	// ICECandidateComplete dictionary was not added as the last candidate.
+	ICETransportStateChecking
+
+	// ICETransportStateConnected indicates the ICETransport has
+	// received a response to an outgoing connectivity check, or has
+	// received incoming DTLS/media after a successful response to an
+	// incoming connectivity check, but is still checking other candidate
+	// pairs to see if there is a better connection.
+	ICETransportStateConnected
+
+	// ICETransportStateCompleted indicates the ICETransport tested
+	// all appropriate candidate pairs and at least one functioning
+	// candidate pair has been found.
+	ICETransportStateCompleted
+
+	// ICETransportStateFailed indicates the ICETransport the last
+	// candidate was added and all appropriate candidate pairs have either
+	// failed connectivity checks or have lost consent.
+	ICETransportStateFailed
+
+	// ICETransportStateDisconnected indicates the ICETransport has received
+	// at least one local and remote candidate, but the final candidate was
+	// received yet and all appropriate candidate pairs thus far have been
+	// tested and failed.
+	ICETransportStateDisconnected
+
+	// ICETransportStateClosed indicates the ICETransport has shut down
+	// and is no longer responding to STUN requests.
+	ICETransportStateClosed
+)
+
+func (c ICETransportState) String() string {
+	switch c {
+	case ICETransportStateNew:
+		return "new"
+	case ICETransportStateChecking:
+		return "checking"
+	case ICETransportStateConnected:
+		return "connected"
+	case ICETransportStateCompleted:
+		return "completed"
+	case ICETransportStateFailed:
+		return "failed"
+	case ICETransportStateDisconnected:
+		return "disconnected"
+	case ICETransportStateClosed:
+		return "closed"
+	default:
+		return unknownStr
+	}
+}
+
+func newICETransportStateFromICE(i ice.ConnectionState) ICETransportState {
+	switch i {
+	case ice.ConnectionStateNew:
+		return ICETransportStateNew
+	case ice.ConnectionStateChecking:
+		return ICETransportStateChecking
+	case ice.ConnectionStateConnected:
+		return ICETransportStateConnected
+	case ice.ConnectionStateCompleted:
+		return ICETransportStateCompleted
+	case ice.ConnectionStateFailed:
+		return ICETransportStateFailed
+	case ice.ConnectionStateDisconnected:
+		return ICETransportStateDisconnected
+	case ice.ConnectionStateClosed:
+		return ICETransportStateClosed
+	default:
+		return ICETransportState(Unknown)
+	}
+}
+
+func (c ICETransportState) toICE() ice.ConnectionState {
+	switch c {
+	case ICETransportStateNew:
+		return ice.ConnectionStateNew
+	case ICETransportStateChecking:
+		return ice.ConnectionStateChecking
+	case ICETransportStateConnected:
+		return ice.ConnectionStateConnected
+	case ICETransportStateCompleted:
+		return ice.ConnectionStateCompleted
+	case ICETransportStateFailed:
+		return ice.ConnectionStateFailed
+	case ICETransportStateDisconnected:
+		return ice.ConnectionStateDisconnected
+	case ICETransportStateClosed:
+		return ice.ConnectionStateClosed
+	default:
+		return ice.ConnectionState(Unknown)
+	}
+}