Refactored RPC request

application/src/main/java/org/thingsboard/server/actors/ActorSystemContext.java

@@ -291,6 +291,9 @@ public class ActorSystemContext {
     @Getter
     private long statisticsPersistFrequency;
 
+    @Value("${edges.rpc.enabled}")
+    @Getter
+    private boolean edgesRpcEnabled;
 
     @Scheduled(fixedDelayString = "${actors.statistics.js_print_interval_ms}")
     public void printStats() {

application/src/main/java/org/thingsboard/server/actors/app/AppActor.java

@@ -87,7 +87,9 @@ public class AppActor extends ContextAwareActor {
             case DEVICE_ATTRIBUTES_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_CREDENTIALS_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_NAME_OR_TYPE_UPDATE_TO_DEVICE_ACTOR_MSG:
+            case DEVICE_EDGE_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG:
+            case DEVICE_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
             case SERVER_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
                 onToDeviceActorMsg((TenantAwareMsg) msg, true);
                 break;

application/src/main/java/org/thingsboard/server/actors/device/DeviceActor.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.actors.device;
 
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.rule.engine.api.msg.DeviceAttributesEventNotificationMsg;
+import org.thingsboard.rule.engine.api.msg.DeviceEdgeUpdateMsg;
 import org.thingsboard.rule.engine.api.msg.DeviceNameOrTypeUpdateMsg;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.TbActorCtx;
@@ -26,6 +27,7 @@ import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.timeout.DeviceActorServerSideRpcTimeoutMsg;
+import org.thingsboard.server.service.rpc.FromDeviceRpcResponseActorMsg;
 import org.thingsboard.server.service.rpc.ToDeviceRpcRequestActorMsg;
 import org.thingsboard.server.service.transport.msg.TransportToDeviceActorMsgWrapper;
 
@@ -70,12 +72,18 @@ public class DeviceActor extends ContextAwareActor {
             case DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG:
                 processor.processRpcRequest(ctx, (ToDeviceRpcRequestActorMsg) msg);
                 break;
+            case DEVICE_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
+                processor.processRpcResponsesFromEdge(ctx, (FromDeviceRpcResponseActorMsg) msg);
+                break;
             case DEVICE_ACTOR_SERVER_SIDE_RPC_TIMEOUT_MSG:
                 processor.processServerSideRpcTimeout(ctx, (DeviceActorServerSideRpcTimeoutMsg) msg);
                 break;
             case SESSION_TIMEOUT_MSG:
                 processor.checkSessionsTimeout();
                 break;
+            case DEVICE_EDGE_UPDATE_TO_DEVICE_ACTOR_MSG:
+                processor.processEdgeUpdate((DeviceEdgeUpdateMsg) msg);
+                break;
             default:
                 return false;
         }

application/src/main/java/org/thingsboard/server/actors/device/DeviceActorMessageProcessor.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.actors.device;
 
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
@@ -24,17 +25,24 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.CollectionUtils;
 import org.thingsboard.rule.engine.api.RpcError;
 import org.thingsboard.rule.engine.api.msg.DeviceAttributesEventNotificationMsg;
+import org.thingsboard.rule.engine.api.msg.DeviceEdgeUpdateMsg;
 import org.thingsboard.rule.engine.api.msg.DeviceNameOrTypeUpdateMsg;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.TbActorCtx;
 import org.thingsboard.server.actors.shared.AbstractContextAwareMsgProcessor;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.edge.EdgeEvent;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.edge.EdgeEventType;
 import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.kv.AttributeKey;
 import org.thingsboard.server.common.data.kv.AttributeKvEntry;
 import org.thingsboard.server.common.data.kv.KvEntry;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.common.data.rpc.ToDeviceRpcRequestBody;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
 import org.thingsboard.server.common.msg.queue.TbCallback;
@@ -63,6 +71,7 @@ import org.thingsboard.server.gen.transport.TransportProtos.ToTransportMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.TransportToDeviceActorMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.TsKvProto;
 import org.thingsboard.server.service.rpc.FromDeviceRpcResponse;
+import org.thingsboard.server.service.rpc.FromDeviceRpcResponseActorMsg;
 import org.thingsboard.server.service.rpc.ToDeviceRpcRequestActorMsg;
 import org.thingsboard.server.service.transport.msg.TransportToDeviceActorMsgWrapper;
 
@@ -98,6 +107,7 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
     private String deviceName;
     private String deviceType;
     private TbMsgMetaData defaultMetaData;
+    private EdgeId edgeId;
 
     DeviceActorMessageProcessor(ActorSystemContext systemContext, TenantId tenantId, DeviceId deviceId) {
         super(systemContext);
@@ -120,12 +130,27 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
             this.defaultMetaData = new TbMsgMetaData();
             this.defaultMetaData.putValue("deviceName", deviceName);
             this.defaultMetaData.putValue("deviceType", deviceType);
+            if (systemContext.isEdgesRpcEnabled()) {
+                this.edgeId = findRelatedEdgeId();
+            }
             return true;
         } else {
             return false;
         }
     }
 
+    private EdgeId findRelatedEdgeId() {
+        List<EntityRelation> result =
+                systemContext.getRelationService().findByToAndType(tenantId, deviceId, EntityRelation.EDGE_TYPE, RelationTypeGroup.COMMON);
+        if (result != null && result.size() > 0) {
+            EntityRelation relationToEdge = result.get(0);
+            if (relationToEdge.getFrom() != null && relationToEdge.getFrom().getId() != null) {
+                return new EdgeId(relationToEdge.getFrom().getId());
+            }
+        }
+        return null;
+    }
+
     void processRpcRequest(TbActorCtx context, ToDeviceRpcRequestActorMsg msg) {
         ToDeviceRpcRequest request = msg.getMsg();
         ToDeviceRpcRequestBody body = request.getBody();
@@ -138,15 +163,21 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
             return;
         }
 
-        boolean sent = rpcSubscriptions.size() > 0;
-        Set<UUID> syncSessionSet = new HashSet<>();
-        rpcSubscriptions.forEach((key, value) -> {
-            sendToTransport(rpcRequest, key, value.getNodeId());
-            if (SessionType.SYNC == value.getType()) {
-                syncSessionSet.add(key);
-            }
-        });
-        syncSessionSet.forEach(rpcSubscriptions::remove);
+        boolean sent;
+        if (systemContext.isEdgesRpcEnabled() && edgeId != null) {
+            saveRpcRequestToEdgeQueue(request, rpcRequest.getRequestId());
+            sent = true;
+        } else {
+            sent = rpcSubscriptions.size() > 0;
+            Set<UUID> syncSessionSet = new HashSet<>();
+            rpcSubscriptions.forEach((key, value) -> {
+                sendToTransport(rpcRequest, key, value.getNodeId());
+                if (SessionType.SYNC == value.getType()) {
+                    syncSessionSet.add(key);
+                }
+            });
+            syncSessionSet.forEach(rpcSubscriptions::remove);
+        }
 
         if (request.isOneway() && sent) {
             log.debug("[{}] Rpc command response sent [{}]!", deviceId, request.getId());
@@ -161,6 +192,17 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
         }
     }
 
+    void processRpcResponsesFromEdge(TbActorCtx context, FromDeviceRpcResponseActorMsg responseMsg) {
+        log.debug("[{}] Processing rpc command response from edge session", deviceId);
+        ToDeviceRpcRequestMetadata requestMd = toDeviceRpcPendingMap.remove(responseMsg.getRequestId());
+        boolean success = requestMd != null;
+        if (success) {
+            systemContext.getTbCoreDeviceRpcService().processRpcResponseFromDeviceActor(responseMsg.getMsg());
+        } else {
+            log.debug("[{}] Rpc command response [{}] is stale!", deviceId, responseMsg.getRequestId());
+        }
+    }
+
     private void registerPendingRpcRequest(TbActorCtx context, ToDeviceRpcRequestActorMsg msg, boolean sent, ToDeviceRpcRequestMsg rpcRequest, long timeout) {
         toDeviceRpcPendingMap.put(rpcRequest.getRequestId(), new ToDeviceRpcRequestMetadata(msg, sent));
         DeviceActorServerSideRpcTimeoutMsg timeoutMsg = new DeviceActorServerSideRpcTimeoutMsg(rpcRequest.getRequestId(), timeout);
@@ -473,6 +515,10 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
         this.defaultMetaData.putValue("deviceType", deviceType);
     }
 
+    void processEdgeUpdate(DeviceEdgeUpdateMsg msg) {
+        this.edgeId = msg.getEdgeId();
+    }
+
     private void sendToTransport(GetAttributeResponseMsg responseMsg, SessionInfoProto sessionInfo) {
         ToTransportMsg msg = ToTransportMsg.newBuilder()
                 .setSessionIdMSB(sessionInfo.getSessionIdMSB())
@@ -505,6 +551,25 @@ class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
         systemContext.getTbCoreToTransportService().process(nodeId, msg);
     }
 
+    private void saveRpcRequestToEdgeQueue(ToDeviceRpcRequest msg, Integer requestId) {
+        EdgeEvent edgeEvent = new EdgeEvent();
+        edgeEvent.setTenantId(tenantId);
+        edgeEvent.setAction(EdgeEventActionType.RPC_CALL);
+        edgeEvent.setEntityId(deviceId.getId());
+        edgeEvent.setType(EdgeEventType.DEVICE);
+
+        ObjectNode body = mapper.createObjectNode();
+        body.put("requestId", requestId);
+        body.put("requestUUID", msg.getId().toString());
+        body.put("oneway", msg.isOneway());
+        body.put("expirationTime", msg.getExpirationTime());
+        body.put("method", msg.getBody().getMethod());
+        body.put("params", msg.getBody().getParams());
+        edgeEvent.setBody(body);
+
+        edgeEvent.setEdgeId(edgeId);
+        systemContext.getEdgeEventService().saveAsync(edgeEvent);
+    }
 
     private List<TsKvProto> toTsKvProtos(@Nullable List<AttributeKvEntry> result) {
         List<TsKvProto> clientAttributes;

application/src/main/java/org/thingsboard/server/actors/tenant/TenantActor.java

@@ -148,7 +148,9 @@ public class TenantActor extends RuleChainManagerActor {
             case DEVICE_ATTRIBUTES_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_CREDENTIALS_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_NAME_OR_TYPE_UPDATE_TO_DEVICE_ACTOR_MSG:
+            case DEVICE_EDGE_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG:
+            case DEVICE_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
             case SERVER_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
                 onToDeviceActorMsg((DeviceAwareMsg) msg, true);
                 break;

application/src/main/java/org/thingsboard/server/controller/BaseController.java

@@ -223,7 +223,7 @@ public abstract class BaseController {
 
     @Value("${edges.rpc.enabled}")
     @Getter
-    private boolean edgesSupportEnabled;
+    private boolean edgesRpcEnabled;
 
     @ExceptionHandler(ThingsboardException.class)
     public void handleThingsboardException(ThingsboardException ex, HttpServletResponse response) {
@@ -761,7 +761,7 @@ public abstract class BaseController {
     }
 
     protected void sendNotificationMsgToEdgeService(TenantId tenantId, EdgeId edgeId, CustomerId customerId, EdgeEventActionType action) {
-        if (!edgesSupportEnabled) {
+        if (!edgesRpcEnabled) {
             return;
         }
         try {
@@ -772,7 +772,7 @@ public abstract class BaseController {
     }
 
     protected void sendNotificationMsgToEdgeService(TenantId tenantId, EntityId entityId, CustomerId customerId, EdgeEventActionType action) {
-        if (!edgesSupportEnabled) {
+        if (!edgesRpcEnabled) {
             return;
         }
         EdgeEventType type = EdgeUtils.getEdgeEventTypeByEntityType(entityId.getEntityType());
@@ -786,7 +786,7 @@ public abstract class BaseController {
     }
 
     protected void sendNotificationMsgToEdgeService(TenantId tenantId, EntityRelation relation, EdgeEventActionType action) {
-        if (!edgesSupportEnabled) {
+        if (!edgesRpcEnabled) {
             return;
         }
         try {
@@ -804,7 +804,7 @@ public abstract class BaseController {
     }
 
     protected void sendNotificationMsgToEdgeService(TenantId tenantId, EdgeId edgeId, EntityId entityId, EdgeEventActionType action) {
-        if (!edgesSupportEnabled) {
+        if (!edgesRpcEnabled) {
             return;
         }
         EdgeEventType type = EdgeUtils.getEdgeEventTypeByEntityType(entityId.getEntityType());

application/src/main/java/org/thingsboard/server/controller/DeviceController.java

@@ -32,6 +32,7 @@ import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.request.async.DeferredResult;
 import org.thingsboard.rule.engine.api.msg.DeviceCredentialsUpdateNotificationMsg;
+import org.thingsboard.rule.engine.api.msg.DeviceEdgeUpdateMsg;
 import org.thingsboard.rule.engine.api.msg.DeviceNameOrTypeUpdateMsg;
 import org.thingsboard.server.common.data.ClaimRequest;
 import org.thingsboard.server.common.data.Customer;
@@ -575,6 +576,9 @@ public class DeviceController extends BaseController {
 
             Device savedDevice = checkNotNull(deviceService.assignDeviceToEdge(getCurrentUser().getTenantId(), deviceId, edgeId));
 
+            tbClusterService.pushMsgToCore(new DeviceEdgeUpdateMsg(savedDevice.getTenantId(),
+                    savedDevice.getId(), edgeId), null);
+
             logEntityAction(deviceId, savedDevice,
                     savedDevice.getCustomerId(),
                     ActionType.ASSIGNED_TO_EDGE, null, strDeviceId, strEdgeId, edge.getName());
@@ -606,6 +610,9 @@ public class DeviceController extends BaseController {
 
             Device savedDevice = checkNotNull(deviceService.unassignDeviceFromEdge(getCurrentUser().getTenantId(), deviceId, edgeId));
 
+            tbClusterService.pushMsgToCore(new DeviceEdgeUpdateMsg(savedDevice.getTenantId(),
+                    savedDevice.getId(), null), null);
+
             logEntityAction(deviceId, device,
                     device.getCustomerId(),
                     ActionType.UNASSIGNED_FROM_EDGE, null, strDeviceId, strEdgeId, edge.getName());

application/src/main/java/org/thingsboard/server/controller/EdgeController.java

@@ -416,7 +416,7 @@ public class EdgeController extends BaseController {
     public void syncEdge(@RequestBody EdgeId edgeId) throws ThingsboardException {
         try {
             edgeId = checkNotNull(edgeId);
-            if (isEdgesSupportEnabled()) {
+            if (isEdgesRpcEnabled()) {
                 EdgeGrpcSession session = edgeGrpcService.getEdgeGrpcSessionById(edgeId);
                 Edge edge = session.getEdge();
                 syncEdgeService.sync(edge);

application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcService.java

@@ -36,6 +36,7 @@ import org.thingsboard.server.common.data.kv.LongDataEntry;
 import org.thingsboard.server.gen.edge.EdgeRpcServiceGrpc;
 import org.thingsboard.server.gen.edge.RequestMsg;
 import org.thingsboard.server.gen.edge.ResponseMsg;
+import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.edge.EdgeContextComponent;
 import org.thingsboard.server.service.state.DefaultDeviceStateService;
 import org.thingsboard.server.service.telemetry.TelemetrySubscriptionService;
@@ -55,6 +56,7 @@ import java.util.concurrent.TimeUnit;
 @Service
 @Slf4j
 @ConditionalOnProperty(prefix = "edges.rpc", value = "enabled", havingValue = "true")
+@TbCoreComponent
 public class EdgeGrpcService extends EdgeRpcServiceGrpc.EdgeRpcServiceImplBase implements EdgeRpcService {
 
     private final Map<EdgeId, EdgeGrpcSession> sessions = new ConcurrentHashMap<>();
@@ -176,13 +178,15 @@ public class EdgeGrpcService extends EdgeRpcServiceGrpc.EdgeRpcServiceImplBase i
                         log.trace("No sessions available, sleep for the next run");
                         try {
                             Thread.sleep(1000);
-                        } catch (InterruptedException ignore) {}
+                        } catch (InterruptedException ignore) {
+                        }
                     }
                 } catch (Exception e) {
                     log.warn("Failed to process messages handling!", e);
                     try {
                         Thread.sleep(1000);
-                    } catch (InterruptedException ignore) {}
+                    } catch (InterruptedException ignore) {
+                    }
                 }
             }
         });

application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java

@@ -377,7 +377,7 @@ public final class EdgeGrpcSession implements Closeable {
     private DownlinkMsg processRpcCallMsg(EdgeEvent edgeEvent) {
         log.trace("Executing processRpcCall, edgeEvent [{}]", edgeEvent);
         DeviceRpcCallMsg deviceRpcCallMsg =
-                ctx.getDeviceMsgConstructor().constructDeviceRpcCallMsg(edgeEvent.getBody());
+                ctx.getDeviceMsgConstructor().constructDeviceRpcCallMsg(edgeEvent.getEntityId(), edgeEvent.getBody());
         return DownlinkMsg.newBuilder()
                 .addAllDeviceRpcCallMsg(Collections.singletonList(deviceRpcCallMsg))
                 .build();
@@ -398,7 +398,6 @@ public final class EdgeGrpcSession implements Closeable {
         return downlinkMsg;
     }
 
-
     private ListenableFuture<Long> getQueueStartTs() {
         ListenableFuture<Optional<AttributeKvEntry>> future =
                 ctx.getAttributesService().find(edge.getTenantId(), edge.getId(), DataConstants.SERVER_SCOPE, QUEUE_START_TS_ATTR_KEY);

application/src/main/java/org/thingsboard/server/service/edge/rpc/constructor/DeviceMsgConstructor.java

@@ -18,7 +18,6 @@ package org.thingsboard.server.service.edge.rpc.constructor;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.stereotype.Component;
-import org.thingsboard.rule.engine.api.RuleEngineDeviceRpcRequest;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -31,6 +30,8 @@ import org.thingsboard.server.gen.edge.RpcRequestMsg;
 import org.thingsboard.server.gen.edge.UpdateMsgType;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 
+import java.util.UUID;
+
 @Component
 @TbCoreComponent
 public class DeviceMsgConstructor {
@@ -78,22 +79,26 @@ public class DeviceMsgConstructor {
                 .setIdLSB(deviceId.getId().getLeastSignificantBits()).build();
     }
 
-    public DeviceRpcCallMsg constructDeviceRpcCallMsg(JsonNode body) {
-        RuleEngineDeviceRpcRequest request = mapper.convertValue(body, RuleEngineDeviceRpcRequest.class);
+    public DeviceRpcCallMsg constructDeviceRpcCallMsg(UUID deviceId, JsonNode body) {
+        int requestId = body.get("requestId").asInt();
+        boolean oneway = body.get("oneway").asBoolean();
+        UUID requestUUID = UUID.fromString(body.get("requestUUID").asText());
+        long expirationTime = body.get("expirationTime").asLong();
+        String method = body.get("method").asText();
+        String params = body.get("params").asText();
+
         RpcRequestMsg.Builder requestBuilder = RpcRequestMsg.newBuilder();
-        requestBuilder.setMethod(request.getMethod());
-        requestBuilder.setParams(request.getBody());
+        requestBuilder.setMethod(method);
+        requestBuilder.setParams(params);
         DeviceRpcCallMsg.Builder builder = DeviceRpcCallMsg.newBuilder()
-                .setDeviceIdMSB(request.getDeviceId().getId().getMostSignificantBits())
-                .setDeviceIdLSB(request.getDeviceId().getId().getLeastSignificantBits())
-                .setRequestIdMSB(request.getRequestUUID().getMostSignificantBits())
-                .setRequestIdLSB(request.getRequestUUID().getLeastSignificantBits())
-                .setExpirationTime(request.getExpirationTime())
-                .setOneway(request.isOneway())
+                .setDeviceIdMSB(deviceId.getMostSignificantBits())
+                .setDeviceIdLSB(deviceId.getLeastSignificantBits())
+                .setRequestUuidMSB(requestUUID.getMostSignificantBits())
+                .setRequestUuidLSB(requestUUID.getLeastSignificantBits())
+                .setRequestId(requestId)
+                .setExpirationTime(expirationTime)
+                .setOneway(oneway)
                 .setRequestMsg(requestBuilder.build());
-        if (request.getOriginServiceId() != null) {
-            builder.setOriginServiceId(request.getOriginServiceId());
-        }
         return builder.build();
     }
 }

application/src/main/java/org/thingsboard/server/service/edge/rpc/processor/DeviceProcessor.java

@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -50,6 +50,7 @@ import org.thingsboard.server.queue.TbQueueCallback;
 import org.thingsboard.server.queue.TbQueueMsgMetadata;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.rpc.FromDeviceRpcResponse;
+import org.thingsboard.server.service.rpc.FromDeviceRpcResponseActorMsg;
 
 import java.util.UUID;
 import java.util.concurrent.locks.ReentrantLock;
@@ -223,12 +224,14 @@ public class DeviceProcessor extends BaseProcessor {
     public ListenableFuture<Void> processDeviceRpcCallResponseMsg(TenantId tenantId, DeviceRpcCallMsg deviceRpcCallMsg) {
         log.trace("[{}] processDeviceRpcCallResponseMsg [{}]", tenantId, deviceRpcCallMsg);
         SettableFuture<Void> futureToSet = SettableFuture.create();
-        UUID uuid = new UUID(deviceRpcCallMsg.getRequestIdMSB(), deviceRpcCallMsg.getRequestIdLSB());
+        UUID requestUuid = new UUID(deviceRpcCallMsg.getRequestUuidMSB(), deviceRpcCallMsg.getRequestUuidLSB());
+        DeviceId deviceId = new DeviceId(new UUID(deviceRpcCallMsg.getDeviceIdMSB(), deviceRpcCallMsg.getDeviceIdLSB()));
+
         FromDeviceRpcResponse response;
         if (!StringUtils.isEmpty(deviceRpcCallMsg.getResponseMsg().getError())) {
-            response = new FromDeviceRpcResponse(uuid, null, RpcError.valueOf(deviceRpcCallMsg.getResponseMsg().getError()));
+            response = new FromDeviceRpcResponse(requestUuid, null, RpcError.valueOf(deviceRpcCallMsg.getResponseMsg().getError()));
         } else {
-            response = new FromDeviceRpcResponse(uuid, deviceRpcCallMsg.getResponseMsg().getResponse(), null);
+            response = new FromDeviceRpcResponse(requestUuid, deviceRpcCallMsg.getResponseMsg().getResponse(), null);
         }
         TbQueueCallback callback = new TbQueueCallback() {
             @Override
@@ -242,7 +245,11 @@ public class DeviceProcessor extends BaseProcessor {
                 futureToSet.setException(t);
             }
         };
-        tbClusterService.pushNotificationToCore(deviceRpcCallMsg.getOriginServiceId(), response, callback);
+        FromDeviceRpcResponseActorMsg msg =
+                new FromDeviceRpcResponseActorMsg(deviceRpcCallMsg.getRequestId(),
+                        tenantId,
+                        deviceId, response);
+        tbClusterService.pushMsgToCore(msg, callback);
         return futureToSet;
     }
 

application/src/main/java/org/thingsboard/server/service/rpc/FromDeviceRpcResponse.java

@@ -20,6 +20,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 import org.thingsboard.rule.engine.api.RpcError;
 
+import java.io.Serializable;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -28,7 +29,7 @@ import java.util.UUID;
  */
 @RequiredArgsConstructor
 @ToString
-public class FromDeviceRpcResponse {
+public class FromDeviceRpcResponse implements Serializable {
     @Getter
     private final UUID id;
     private final String response;

application/src/main/java/org/thingsboard/server/service/rpc/FromDeviceRpcResponseActorMsg.java

@@ -0,0 +1,44 @@
+/**
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.rpc;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.ToString;
+import org.thingsboard.rule.engine.api.msg.ToDeviceActorNotificationMsg;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.MsgType;
+
+@ToString
+@RequiredArgsConstructor
+public class FromDeviceRpcResponseActorMsg implements ToDeviceActorNotificationMsg {
+
+    @Getter
+    private final Integer requestId;
+    @Getter
+    private final TenantId tenantId;
+    @Getter
+    private final DeviceId deviceId;
+
+    @Getter
+    private final FromDeviceRpcResponse msg;
+
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.DEVICE_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG;
+    }
+}

application/src/test/java/org/thingsboard/server/edge/BaseEdgeTest.java

@@ -1281,7 +1281,7 @@ abstract public class BaseEdgeTest extends AbstractControllerTest {
         deviceRpcCallResponseBuilder.setDeviceIdMSB(device.getUuidId().getMostSignificantBits());
         deviceRpcCallResponseBuilder.setDeviceIdLSB(device.getUuidId().getLeastSignificantBits());
         deviceRpcCallResponseBuilder.setOneway(true);
-        deviceRpcCallResponseBuilder.setOriginServiceId("originServiceId");
+        deviceRpcCallResponseBuilder.setRequestId(0);
         deviceRpcCallResponseBuilder.setExpirationTime(System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(10));
         RpcResponseMsg.Builder responseBuilder =
                 RpcResponseMsg.newBuilder().setResponse("{}");

common/edge-api/src/main/proto/edge.proto

@@ -336,11 +336,11 @@ message DeviceCredentialsRequestMsg {
 message DeviceRpcCallMsg {
   int64 deviceIdMSB = 1;
   int64 deviceIdLSB = 2;
-  int64 requestIdMSB = 3;
-  int64 requestIdLSB = 4;
-  int64 expirationTime = 5;
-  bool oneway = 6;
-  string originServiceId = 7;
+  int64 requestUuidMSB = 3;
+  int64 requestUuidLSB = 4;
+  int32 requestId = 5;
+  int64 expirationTime = 6;
+  bool oneway = 7;
   RpcRequestMsg requestMsg = 8;
   RpcResponseMsg responseMsg = 9;
 }

common/message/src/main/java/org/thingsboard/server/common/msg/MsgType.java

@@ -82,8 +82,12 @@ public enum MsgType {
 
     DEVICE_NAME_OR_TYPE_UPDATE_TO_DEVICE_ACTOR_MSG,
 
+    DEVICE_EDGE_UPDATE_TO_DEVICE_ACTOR_MSG,
+
     DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG,
 
+    DEVICE_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG,
+
     SERVER_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG,
 
     DEVICE_ACTOR_SERVER_SIDE_RPC_TIMEOUT_MSG,

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/msg/DeviceEdgeUpdateMsg.java

@@ -0,0 +1,37 @@
+/**
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.rule.engine.api.msg;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.MsgType;
+
+@Data
+@AllArgsConstructor
+public class DeviceEdgeUpdateMsg implements ToDeviceActorNotificationMsg {
+
+    private final TenantId tenantId;
+    private final DeviceId deviceId;
+    private final EdgeId edgeId;
+
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.DEVICE_EDGE_UPDATE_TO_DEVICE_ACTOR_MSG;
+    }
+}

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/rpc/TbSendRPCRequestNode.java

@@ -16,10 +16,6 @@
 package org.thingsboard.rule.engine.rpc;
 
 import com.datastax.driver.core.utils.UUIDs;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -36,18 +32,10 @@ import org.thingsboard.rule.engine.api.TbRelationTypes;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.EntityType;
-import org.thingsboard.server.common.data.edge.EdgeEvent;
-import org.thingsboard.server.common.data.edge.EdgeEventActionType;
-import org.thingsboard.server.common.data.edge.EdgeEventType;
 import org.thingsboard.server.common.data.id.DeviceId;
-import org.thingsboard.server.common.data.id.EdgeId;
 import org.thingsboard.server.common.data.plugin.ComponentType;
-import org.thingsboard.server.common.data.relation.EntityRelation;
-import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.common.msg.TbMsg;
 
-import javax.annotation.Nullable;
-import java.util.List;
 import java.util.Random;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
@@ -66,7 +54,6 @@ import java.util.concurrent.TimeUnit;
 )
 public class TbSendRPCRequestNode implements TbNode {
 
-    private static final ObjectMapper json = new ObjectMapper();
     private Random random = new Random();
     private Gson gson = new Gson();
     private JsonParser jsonParser = new JsonParser();
@@ -123,59 +110,19 @@ public class TbSendRPCRequestNode implements TbNode {
                     .restApiCall(restApiCall)
                     .build();
 
-            EdgeId edgeId = findRelatedEdgeId(ctx, msg);
-            if (edgeId != null) {
-                sendRpcRequestToEdgeDevice(ctx, msg, edgeId, request);
-            } else {
-                ctx.getRpcService().sendRpcRequestToDevice(request, ruleEngineDeviceRpcResponse -> {
-                    if (!ruleEngineDeviceRpcResponse.getError().isPresent()) {
-                        TbMsg next = ctx.newMsg(msg.getQueueName(), msg.getType(), msg.getOriginator(), msg.getMetaData(), ruleEngineDeviceRpcResponse.getResponse().orElse("{}"));
-                        ctx.enqueueForTellNext(next, TbRelationTypes.SUCCESS);
-                    } else {
-                        TbMsg next = ctx.newMsg(msg.getQueueName(), msg.getType(), msg.getOriginator(), msg.getMetaData(), wrap("error", ruleEngineDeviceRpcResponse.getError().get().name()));
-                        ctx.tellFailure(next, new RuntimeException(ruleEngineDeviceRpcResponse.getError().get().name()));
-                    }
-                });
-            }
+            ctx.getRpcService().sendRpcRequestToDevice(request, ruleEngineDeviceRpcResponse -> {
+                if (!ruleEngineDeviceRpcResponse.getError().isPresent()) {
+                    TbMsg next = ctx.newMsg(msg.getQueueName(), msg.getType(), msg.getOriginator(), msg.getMetaData(), ruleEngineDeviceRpcResponse.getResponse().orElse("{}"));
+                    ctx.enqueueForTellNext(next, TbRelationTypes.SUCCESS);
+                } else {
+                    TbMsg next = ctx.newMsg(msg.getQueueName(), msg.getType(), msg.getOriginator(), msg.getMetaData(), wrap("error", ruleEngineDeviceRpcResponse.getError().get().name()));
+                    ctx.tellFailure(next, new RuntimeException(ruleEngineDeviceRpcResponse.getError().get().name()));
+                }
+            });
             ctx.ack(msg);
         }
     }
 
-    private EdgeId findRelatedEdgeId(TbContext ctx, TbMsg msg) {
-        List<EntityRelation> result =
-                ctx.getRelationService().findByToAndType(ctx.getTenantId(), msg.getOriginator(), EntityRelation.EDGE_TYPE, RelationTypeGroup.COMMON);
-        if (result != null && result.size() > 0) {
-            EntityRelation relationToEdge = result.get(0);
-            if (relationToEdge.getFrom() != null && relationToEdge.getFrom().getId() != null) {
-                return new EdgeId(relationToEdge.getFrom().getId());
-            }
-        }
-        return null;
-    }
-
-    private void sendRpcRequestToEdgeDevice(TbContext ctx, TbMsg msg, EdgeId edgeId, RuleEngineDeviceRpcRequest request) {
-        EdgeEvent edgeEvent = new EdgeEvent();
-        edgeEvent.setTenantId(ctx.getTenantId());
-        edgeEvent.setAction(EdgeEventActionType.RPC_CALL);
-        edgeEvent.setEntityId(request.getDeviceId().getId());
-        edgeEvent.setType(EdgeEventType.DEVICE);
-        edgeEvent.setBody(json.valueToTree(request));
-        edgeEvent.setEdgeId(edgeId);
-        ListenableFuture<EdgeEvent> saveFuture = ctx.getEdgeEventService().saveAsync(edgeEvent);
-        Futures.addCallback(saveFuture, new FutureCallback<EdgeEvent>() {
-            @Override
-            public void onSuccess(@Nullable EdgeEvent event) {
-                ctx.tellSuccess(msg);
-            }
-
-            @Override
-            public void onFailure(Throwable th) {
-                log.error("Could not save edge event", th);
-                ctx.tellFailure(msg, th);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
     @Override
     public void destroy() {
     }