Automatic message routing during tellNext based on originator ID

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

@@ -111,6 +111,7 @@ public class AppActor extends RuleChainManagerActor {
             case DEVICE_NAME_OR_TYPE_UPDATE_TO_DEVICE_ACTOR_MSG:
             case DEVICE_RPC_REQUEST_TO_DEVICE_ACTOR_MSG:
             case SERVER_RPC_RESPONSE_TO_DEVICE_ACTOR_MSG:
+            case REMOTE_TO_RULE_CHAIN_TELL_NEXT_MSG:
                 onToDeviceActorMsg((TenantAwareMsg) msg);
                 break;
             case ACTOR_SYSTEM_TO_DEVICE_SESSION_ACTOR_MSG:

application/src/main/java/org/thingsboard/server/actors/ruleChain/RemoteToRuleChainTellNextMsg.java

@@ -0,0 +1,45 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import lombok.Data;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.aware.RuleChainAwareMsg;
+import org.thingsboard.server.common.msg.aware.TenantAwareMsg;
+
+/**
+ * Created by ashvayka on 19.03.18.
+ */
+@Data
+final class RemoteToRuleChainTellNextMsg extends RuleNodeToRuleChainTellNextMsg implements TenantAwareMsg, RuleChainAwareMsg {
+
+    private final TenantId tenantId;
+    private final RuleChainId ruleChainId;
+
+    public RemoteToRuleChainTellNextMsg(RuleNodeToRuleChainTellNextMsg original, TenantId tenantId, RuleChainId ruleChainId) {
+        super(original.getOriginator(), original.getRelationTypes(), original.getMsg());
+        this.tenantId = tenantId;
+        this.ruleChainId = ruleChainId;
+    }
+
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.REMOTE_TO_RULE_CHAIN_TELL_NEXT_MSG;
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java

@@ -49,6 +49,7 @@ public class RuleChainActor extends ComponentActor<RuleChainId, RuleChainActorMe
                 processor.onDeviceActorToRuleEngineMsg((DeviceActorToRuleEngineMsg) msg);
                 break;
             case RULE_TO_RULE_CHAIN_TELL_NEXT_MSG:
+            case REMOTE_TO_RULE_CHAIN_TELL_NEXT_MSG:
                 processor.onTellNext((RuleNodeToRuleChainTellNextMsg) msg);
                 break;
             case RULE_CHAIN_TO_RULE_CHAIN_MSG:

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActorMessageProcessor.java

@@ -20,6 +20,9 @@ import akka.actor.ActorRef;
 import akka.actor.Props;
 import akka.event.LoggingAdapter;
 import com.datastax.driver.core.utils.UUIDs;
+
+import java.util.Optional;
+
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.device.DeviceActorToRuleEngineMsg;
 import org.thingsboard.server.actors.device.RuleEngineQueuePutAckMsg;
@@ -37,6 +40,7 @@ import org.thingsboard.server.common.data.rule.RuleChain;
 import org.thingsboard.server.common.data.rule.RuleNode;
 import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
+import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import org.thingsboard.server.dao.rule.RuleChainService;
@@ -217,12 +221,30 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleCh
 
     void onTellNext(RuleNodeToRuleChainTellNextMsg envelope) {
         checkActive();
-        RuleNodeId originator = envelope.getOriginator();
-        List<RuleNodeRelation> relations = nodeRoutes.get(originator).stream()
-                .filter(r -> contains(envelope.getRelationTypes(), r.getType()))
-                .collect(Collectors.toList());
+        TbMsg msg = envelope.getMsg();
+        EntityId originatorEntityId = msg.getOriginator();
+        Optional<ServerAddress> address = systemContext.getRoutingService().resolveById(originatorEntityId);
+
+        if (address.isPresent()) {
+            onRemoteTellNext(address.get(), envelope);
+        } else {
+            onLocalTellNext(envelope);
+        }
+    }
 
+    private void onRemoteTellNext(ServerAddress serverAddress, RuleNodeToRuleChainTellNextMsg envelope) {
         TbMsg msg = envelope.getMsg();
+        logger.debug("Forwarding [{}] msg to remote server [{}] due to changed originator id: [{}]", msg.getId(), serverAddress, msg.getOriginator());
+        envelope = new RemoteToRuleChainTellNextMsg(envelope, tenantId, entityId);
+        systemContext.getRpcService().tell(systemContext.getEncodingService().convertToProtoDataMessage(serverAddress, envelope));
+    }
+
+    private void onLocalTellNext(RuleNodeToRuleChainTellNextMsg envelope) {
+        TbMsg msg = envelope.getMsg();
+        RuleNodeId originatorNodeId = envelope.getOriginator();
+        List<RuleNodeRelation> relations = nodeRoutes.get(originatorNodeId).stream()
+                .filter(r -> contains(envelope.getRelationTypes(), r.getType()))
+                .collect(Collectors.toList());
         int relationsCount = relations.size();
         EntityId ackId = msg.getRuleNodeId() != null ? msg.getRuleNodeId() : msg.getRuleChainId();
         if (relationsCount == 0) {

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainToRuleChainMsg.java

@@ -20,12 +20,13 @@ import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.msg.MsgType;
 import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.aware.RuleChainAwareMsg;
 
 /**
  * Created by ashvayka on 19.03.18.
  */
 @Data
-public final class RuleChainToRuleChainMsg implements TbActorMsg {
+public final class RuleChainToRuleChainMsg implements TbActorMsg, RuleChainAwareMsg {
 
     private final RuleChainId target;
     private final RuleChainId source;
@@ -33,6 +34,11 @@ public final class RuleChainToRuleChainMsg implements TbActorMsg {
     private final String fromRelationType;
     private final boolean enqueue;
 
+    @Override
+    public RuleChainId getRuleChainId() {
+        return target;
+    }
+
     @Override
     public MsgType getMsgType() {
         return MsgType.RULE_CHAIN_TO_RULE_CHAIN_MSG;

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeToRuleChainTellNextMsg.java

@@ -27,7 +27,7 @@ import java.util.Set;
  * Created by ashvayka on 19.03.18.
  */
 @Data
-final class RuleNodeToRuleChainTellNextMsg implements TbActorMsg {
+class RuleNodeToRuleChainTellNextMsg implements TbActorMsg {
 
     private final RuleNodeId originator;
     private final Set<String> relationTypes;

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

@@ -35,6 +35,7 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.rule.RuleChain;
 import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.aware.DeviceAwareMsg;
+import org.thingsboard.server.common.msg.aware.RuleChainAwareMsg;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import scala.concurrent.duration.Duration;
@@ -94,7 +95,8 @@ public class TenantActor extends RuleChainManagerActor {
                 onToDeviceActorMsg((DeviceAwareMsg) msg);
                 break;
             case RULE_CHAIN_TO_RULE_CHAIN_MSG:
-                onRuleChainMsg((RuleChainToRuleChainMsg) msg);
+            case REMOTE_TO_RULE_CHAIN_TELL_NEXT_MSG:
+                onRuleChainMsg((RuleChainAwareMsg) msg);
                 break;
             default:
                 return false;
@@ -120,8 +122,8 @@ public class TenantActor extends RuleChainManagerActor {
     	else logger.info("[{}] No Root Chain", msg);
     }
 
-    private void onRuleChainMsg(RuleChainToRuleChainMsg msg) {
-        ruleChainManager.getOrCreateActor(context(), msg.getTarget()).tell(msg, self());
+    private void onRuleChainMsg(RuleChainAwareMsg msg) {
+        ruleChainManager.getOrCreateActor(context(), msg.getRuleChainId()).tell(msg, self());
     }
 
 

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

@@ -62,6 +62,11 @@ public enum MsgType {
      */
     RULE_TO_RULE_CHAIN_TELL_NEXT_MSG,
 
+    /**
+     * Message forwarded from original rule chain to remote rule chain due to change in the cluster structure or originator entity of the TbMsg.
+     */
+    REMOTE_TO_RULE_CHAIN_TELL_NEXT_MSG,
+
     /**
      * Message that is sent by RuleActor implementation to RuleActor itself to log the error.
      */
@@ -101,6 +106,10 @@ public enum MsgType {
     /**
      * Message that is sent from Rule Engine to the Device Actor when message is successfully pushed to queue.
      */
-    RULE_ENGINE_QUEUE_PUT_ACK_MSG, ACTOR_SYSTEM_TO_DEVICE_SESSION_ACTOR_MSG, TRANSPORT_TO_DEVICE_SESSION_ACTOR_MSG, SESSION_TIMEOUT_MSG, SESSION_CTRL_MSG;
+    RULE_ENGINE_QUEUE_PUT_ACK_MSG,
+    ACTOR_SYSTEM_TO_DEVICE_SESSION_ACTOR_MSG,
+    TRANSPORT_TO_DEVICE_SESSION_ACTOR_MSG,
+    SESSION_TIMEOUT_MSG,
+    SESSION_CTRL_MSG;
 
 }

common/message/src/main/java/org/thingsboard/server/common/msg/aware/RuleChainAwareMsg.java

@@ -0,0 +1,24 @@
+/**
+ * Copyright © 2016-2018 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.common.msg.aware;
+
+import org.thingsboard.server.common.data.id.RuleChainId;
+
+public interface RuleChainAwareMsg {
+
+	RuleChainId getRuleChainId();
+	
+}