Working DataChannel

crates/livekit-webrtc/libwebrtc-sys/include/livekit/data_channel.h

@@ -20,6 +20,8 @@ namespace livekit {
 
         void register_observer(NativeDataChannelObserver &observer);
         void unregister_observer();
+        bool send(const DataBuffer& buffer);
+        rust::String label() const;
         void close();
     private:
         rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel_;

crates/livekit-webrtc/libwebrtc-sys/include/livekit/rust_types.h

@@ -21,6 +21,7 @@ namespace livekit {
     struct RTCOfferAnswerOptions;
     struct RTCError;
     struct DataChannelInit;
+    struct DataBuffer;
 }
 
 #endif //RUST_TYPES_H