Fix for Server-side RPC in cluster mode

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java

@@ -23,6 +23,7 @@ import org.springframework.stereotype.Service;
 import org.thingsboard.rule.engine.api.RpcError;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.MsgType;
 import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TbCallback;
@@ -45,6 +46,7 @@ import org.thingsboard.server.service.encoding.DataDecodingEncodingService;
 import org.thingsboard.server.service.queue.processing.AbstractConsumerService;
 import org.thingsboard.server.service.rpc.FromDeviceRpcResponse;
 import org.thingsboard.server.service.rpc.TbCoreDeviceRpcService;
+import org.thingsboard.server.service.rpc.ToDeviceRpcRequestActorMsg;
 import org.thingsboard.server.service.state.DeviceStateService;
 import org.thingsboard.server.service.subscription.SubscriptionManagerService;
 import org.thingsboard.server.service.subscription.TbLocalSubscriptionService;
@@ -100,7 +102,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
     }
 
     @PreDestroy
-    public void destroy(){
+    public void destroy() {
         super.destroy();
     }
 
@@ -143,8 +145,13 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                             } else if (toCoreMsg.getToDeviceActorNotificationMsg() != null && !toCoreMsg.getToDeviceActorNotificationMsg().isEmpty()) {
                                 Optional<TbActorMsg> actorMsg = encodingService.decode(toCoreMsg.getToDeviceActorNotificationMsg().toByteArray());
                                 if (actorMsg.isPresent()) {
-                                    log.trace("[{}] Forwarding message to App Actor {}", id, actorMsg.get());
-                                    actorContext.tell(actorMsg.get(), ActorRef.noSender());
+                                    TbActorMsg tbActorMsg = actorMsg.get();
+                                    if (tbActorMsg.getMsgType().equals(MsgType.DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG)) {
+                                        tbCoreDeviceRpcService.forwardRpcRequestToDeviceActor((ToDeviceRpcRequestActorMsg) tbActorMsg);
+                                    } else {
+                                        log.trace("[{}] Forwarding message to App Actor {}", id, actorMsg.get());
+                                        actorContext.tell(actorMsg.get(), ActorRef.noSender());
+                                    }
                                 }
                                 callback.onSuccess();
                             }

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java

@@ -21,6 +21,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.thingsboard.rule.engine.api.RpcError;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.msg.TbActorMsg;
@@ -31,6 +32,7 @@ import org.thingsboard.server.common.msg.queue.ServiceQueue;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TbCallback;
 import org.thingsboard.server.common.msg.queue.TbMsgCallback;
+import org.thingsboard.server.gen.transport.TransportProtos;
 import org.thingsboard.server.gen.transport.TransportProtos.ToRuleEngineMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.ToRuleEngineNotificationMsg;
 import org.thingsboard.server.queue.TbQueueConsumer;
@@ -48,6 +50,9 @@ import org.thingsboard.server.service.queue.processing.TbRuleEngineProcessingStr
 import org.thingsboard.server.service.queue.processing.TbRuleEngineProcessingStrategyFactory;
 import org.thingsboard.server.service.queue.processing.TbRuleEngineSubmitStrategy;
 import org.thingsboard.server.service.queue.processing.TbRuleEngineSubmitStrategyFactory;
+import org.thingsboard.server.service.rpc.FromDeviceRpcResponse;
+import org.thingsboard.server.service.rpc.TbCoreDeviceRpcService;
+import org.thingsboard.server.service.rpc.TbRuleEngineDeviceRpcService;
 import org.thingsboard.server.service.stats.RuleEngineStatisticsService;
 
 import javax.annotation.PostConstruct;
@@ -81,6 +86,7 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
     private final TbRuleEngineQueueFactory tbRuleEngineQueueFactory;
     private final TbQueueRuleEngineSettings ruleEngineSettings;
     private final RuleEngineStatisticsService statisticsService;
+    private final TbRuleEngineDeviceRpcService tbDeviceRpcService;
     private final ConcurrentMap<String, TbQueueConsumer<TbProtoQueueMsg<ToRuleEngineMsg>>> consumers = new ConcurrentHashMap<>();
     private final ConcurrentMap<String, TbRuleEngineQueueConfiguration> consumerConfigurations = new ConcurrentHashMap<>();
     private final ConcurrentMap<String, TbRuleEngineConsumerStats> consumerStats = new ConcurrentHashMap<>();
@@ -90,13 +96,15 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
                                               TbRuleEngineSubmitStrategyFactory submitStrategyFactory,
                                               TbQueueRuleEngineSettings ruleEngineSettings,
                                               TbRuleEngineQueueFactory tbRuleEngineQueueFactory, RuleEngineStatisticsService statisticsService,
-                                              ActorSystemContext actorContext, DataDecodingEncodingService encodingService) {
+                                              ActorSystemContext actorContext, DataDecodingEncodingService encodingService,
+                                              TbRuleEngineDeviceRpcService tbDeviceRpcService) {
         super(actorContext, encodingService, tbRuleEngineQueueFactory.createToRuleEngineNotificationsMsgConsumer());
         this.statisticsService = statisticsService;
         this.ruleEngineSettings = ruleEngineSettings;
         this.tbRuleEngineQueueFactory = tbRuleEngineQueueFactory;
         this.submitStrategyFactory = submitStrategyFactory;
         this.processingStrategyFactory = processingStrategyFactory;
+        this.tbDeviceRpcService = tbDeviceRpcService;
     }
 
     @PostConstruct
@@ -227,7 +235,15 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
                 actorContext.tell(actorMsg.get(), ActorRef.noSender());
             }
             callback.onSuccess();
+        } else if (nfMsg.hasFromDeviceRpcResponse()) {
+            TransportProtos.FromDeviceRPCResponseProto proto = nfMsg.getFromDeviceRpcResponse();
+            RpcError error = proto.getError() > 0 ? RpcError.values()[proto.getError()] : null;
+            FromDeviceRpcResponse response = new FromDeviceRpcResponse(new UUID(proto.getRequestIdMSB(), proto.getRequestIdLSB())
+                    , proto.getResponse(), error);
+            tbDeviceRpcService.processRpcResponseFromDevice(response);
+            callback.onSuccess();
         } else {
+            log.trace("Received notification with missing handler");
             callback.onSuccess();
         }
     }