直播：后台 JWT 推流、前台画中画；WebRTC 服务与 Nginx WebSocket 代理

Made-with: Cursor

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

@@ -0,0 +1,85 @@
+// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+package webrtc
+
+// DTLSTransportState indicates the DTLS transport establishment state.
+type DTLSTransportState int
+
+const (
+	// DTLSTransportStateNew indicates that DTLS has not started negotiating
+	// yet.
+	DTLSTransportStateNew DTLSTransportState = iota + 1
+
+	// DTLSTransportStateConnecting indicates that DTLS is in the process of
+	// negotiating a secure connection and verifying the remote fingerprint.
+	DTLSTransportStateConnecting
+
+	// DTLSTransportStateConnected indicates that DTLS has completed
+	// negotiation of a secure connection and verified the remote fingerprint.
+	DTLSTransportStateConnected
+
+	// DTLSTransportStateClosed indicates that the transport has been closed
+	// intentionally as the result of receipt of a close_notify alert, or
+	// calling close().
+	DTLSTransportStateClosed
+
+	// DTLSTransportStateFailed indicates that the transport has failed as
+	// the result of an error (such as receipt of an error alert or failure to
+	// validate the remote fingerprint).
+	DTLSTransportStateFailed
+)
+
+// This is done this way because of a linter.
+const (
+	dtlsTransportStateNewStr        = "new"
+	dtlsTransportStateConnectingStr = "connecting"
+	dtlsTransportStateConnectedStr  = "connected"
+	dtlsTransportStateClosedStr     = "closed"
+	dtlsTransportStateFailedStr     = "failed"
+)
+
+func newDTLSTransportState(raw string) DTLSTransportState {
+	switch raw {
+	case dtlsTransportStateNewStr:
+		return DTLSTransportStateNew
+	case dtlsTransportStateConnectingStr:
+		return DTLSTransportStateConnecting
+	case dtlsTransportStateConnectedStr:
+		return DTLSTransportStateConnected
+	case dtlsTransportStateClosedStr:
+		return DTLSTransportStateClosed
+	case dtlsTransportStateFailedStr:
+		return DTLSTransportStateFailed
+	default:
+		return DTLSTransportState(Unknown)
+	}
+}
+
+func (t DTLSTransportState) String() string {
+	switch t {
+	case DTLSTransportStateNew:
+		return dtlsTransportStateNewStr
+	case DTLSTransportStateConnecting:
+		return dtlsTransportStateConnectingStr
+	case DTLSTransportStateConnected:
+		return dtlsTransportStateConnectedStr
+	case DTLSTransportStateClosed:
+		return dtlsTransportStateClosedStr
+	case DTLSTransportStateFailed:
+		return dtlsTransportStateFailedStr
+	default:
+		return ErrUnknownType.Error()
+	}
+}
+
+// MarshalText implements encoding.TextMarshaler
+func (t DTLSTransportState) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+// UnmarshalText implements encoding.TextUnmarshaler
+func (t *DTLSTransportState) UnmarshalText(b []byte) error {
+	*t = newDTLSTransportState(string(b))
+	return nil
+}