Обработка WebRTC SDP/ICE

app/providers/ProtocolProvider/protocol/packets/packet.webrtc.ts

@@ -0,0 +1,52 @@
+import Packet from "../packet";
+import Stream from "../stream";
+
+export enum WebRTCSignalType {
+    OFFER = 0,
+    ANSWER = 1,
+    ICE_CANDIDATE = 2
+}
+
+/**
+ * Пакет для обмена сигналами WebRTC, такими как оффер, ответ и ICE кандидаты. 
+ * Используется на стадии WEB_RTC_EXCHANGE в сигналинге звонков.
+ */
+export class PacketWebRTC extends Packet {
+
+    private signalType: WebRTCSignalType = WebRTCSignalType.OFFER;
+    private sdpOrCandidate: string = "";
+
+    public getPacketId(): number {
+        return 27;
+    }
+
+    public _receive(stream: Stream): void {
+        this.signalType = stream.readInt8();
+        this.sdpOrCandidate = stream.readString();
+    }
+
+    public _send(): Promise<Stream> | Stream {
+        let stream = new Stream();
+        stream.writeInt16(this.getPacketId());
+        stream.writeInt8(this.signalType);
+        stream.writeString(this.sdpOrCandidate);
+        return stream;
+    }
+
+    public setSignalType(type: WebRTCSignalType) {
+        this.signalType = type;
+    }
+
+    public getSignalType(): WebRTCSignalType {
+        return this.signalType;
+    }
+    
+    public setSdpOrCandidate(data: string) {
+        this.sdpOrCandidate = data;
+    }
+
+    public getSdpOrCandidate(): string {
+        return this.sdpOrCandidate;
+    }
+
+}