feat: add server rpc apis

Author: anunaym14

protobufs/livekit_room.proto

@@ -72,6 +72,8 @@ service RoomService {
   // The participant will be removed from the current room and added to the destination room.
   // From the other observers' perspective, the participant would've disconnected from the previous room and joined the new one.
   rpc MoveParticipant(MoveParticipantRequest) returns (MoveParticipantResponse);
+
+  rpc PerformRpc(PerformRpcRequest) returns (PerformRpcResponse);
 }
 
 message CreateRoomRequest {
@@ -268,3 +270,16 @@ message MoveParticipantRequest {
 
 message MoveParticipantResponse {
 }
+
+message PerformRpcRequest {
+  string room = 1;
+  string destination_identity = 2;
+  string method = 3;
+  string payload = 4;
+  uint32 response_timeout_ms = 5;
+}
+
+message PerformRpcResponse {
+  string payload = 1;
+}
+

protobufs/rpc/participant.proto

@@ -83,4 +83,14 @@ service Participant {
       };
     };
   };
+  rpc PerformRpc(livekit.PerformRpcRequest) returns (livekit.PerformRpcResponse) {
+    option (psrpc.options) = {
+      topics: true
+      topic_params : {
+        group: "participant"
+        names: ["participant"]
+        typed: true
+      };
+    };
+  };
 }