Merge branch 'master' of github.com:thingsboard/thingsboard into fix/coap-transport/obesrve-sessions

@@ -782,15 +782,17 @@ public class DeviceController extends BaseController {
     }
 
     @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
-    @RequestMapping(value = "/devices/count/{otaPackageType}", method = RequestMethod.GET)
+    @RequestMapping(value = "/devices/count/{otaPackageType}/{deviceProfileId}", method = RequestMethod.GET)
     @ResponseBody
-    public Long countDevicesByTenantIdAndDeviceProfileIdAndEmptyOtaPackage(@PathVariable("otaPackageType") String otaPackageType,
-                                                                           @RequestParam String deviceProfileId) throws ThingsboardException {
+    public Long countByDeviceProfileAndEmptyOtaPackage(@PathVariable("otaPackageType") String otaPackageType,
+                                                       @PathVariable("deviceProfileId") String deviceProfileId) throws ThingsboardException {
         checkParameter("OtaPackageType", otaPackageType);
         checkParameter("DeviceProfileId", deviceProfileId);
         try {
             return deviceService.countDevicesByTenantIdAndDeviceProfileIdAndEmptyOtaPackage(
-                    getCurrentUser().getTenantId(), new DeviceProfileId(UUID.fromString(deviceProfileId)), OtaPackageType.valueOf(otaPackageType));
+                    getTenantId(),
+                    new DeviceProfileId(UUID.fromString(deviceProfileId)),
+                    OtaPackageType.valueOf(otaPackageType));
         } catch (Exception e) {
             throw handleException(e);
         }

@@ -74,6 +74,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -86,6 +87,7 @@ public class RuleChainController extends BaseController {
     public static final String RULE_NODE_ID = "ruleNodeId";
 
     private static final ObjectMapper objectMapper = new ObjectMapper();
+    public static final int TIMEOUT = 20;
 
     @Autowired
     private InstallScripts installScripts;
@@ -388,25 +390,25 @@ public class RuleChainController extends BaseController {
                 TbMsg inMsg = TbMsg.newMsg(msgType, null, new TbMsgMetaData(metadata), TbMsgDataType.JSON, data);
                 switch (scriptType) {
                     case "update":
-                        output = msgToOutput(engine.executeUpdate(inMsg));
+                        output = msgToOutput(engine.executeUpdateAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS));
                         break;
                     case "generate":
-                        output = msgToOutput(engine.executeGenerate(inMsg));
+                        output = msgToOutput(engine.executeGenerateAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS));
                         break;
                     case "filter":
-                        boolean result = engine.executeFilter(inMsg);
+                        boolean result = engine.executeFilterAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS);
                         output = Boolean.toString(result);
                         break;
                     case "switch":
-                        Set<String> states = engine.executeSwitch(inMsg);
+                        Set<String> states = engine.executeSwitchAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS);
                         output = objectMapper.writeValueAsString(states);
                         break;
                     case "json":
-                        JsonNode json = engine.executeJson(inMsg);
+                        JsonNode json = engine.executeJsonAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS);
                         output = objectMapper.writeValueAsString(json);
                         break;
                     case "string":
-                        output = engine.executeToString(inMsg);
+                        output = engine.executeToStringAsync(inMsg).get(TIMEOUT, TimeUnit.SECONDS);
                         break;
                     default:
                         throw new IllegalArgumentException("Unsupported script type: " + scriptType);

@@ -30,6 +30,7 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicInteger;
 
 /**
@@ -84,8 +85,10 @@ public abstract class AbstractJsInvokeService implements JsInvokeService {
                 apiUsageClient.report(tenantId, customerId, ApiUsageRecordKey.JS_EXEC_COUNT, 1);
                 return doInvokeFunction(scriptId, functionName, args);
             } else {
-                return Futures.immediateFailedFuture(
-                        new RuntimeException("Script invocation is blocked due to maximum error count " + getMaxErrors() + "!"));
+                String message = "Script invocation is blocked due to maximum error count "
+                        + getMaxErrors() + ", scriptId " + scriptId + "!";
+                log.warn(message);
+                return Futures.immediateFailedFuture(new RuntimeException(message));
             }
         } else {
             return Futures.immediateFailedFuture(new RuntimeException("JS Execution is disabled due to API limits!"));
@@ -117,8 +120,11 @@ public abstract class AbstractJsInvokeService implements JsInvokeService {
 
     protected abstract long getMaxBlacklistDuration();
 
-    protected void onScriptExecutionError(UUID scriptId) {
-        disabledFunctions.computeIfAbsent(scriptId, key -> new DisableListInfo()).incrementAndGet();
+    protected void onScriptExecutionError(UUID scriptId, Throwable t, String scriptBody) {
+        DisableListInfo disableListInfo = disabledFunctions.computeIfAbsent(scriptId, key -> new DisableListInfo());
+        log.warn("Script has exception and will increment counter {} on disabledFunctions for id {}, exception {}, cause {}, scriptBody {}",
+                disableListInfo.get(), scriptId, t, t.getCause(), scriptBody);
+        disableListInfo.incrementAndGet();
     }
 
     private String generateJsScript(JsScriptType scriptType, String functionName, String scriptBody, String... argNames) {

@@ -160,7 +160,7 @@ public abstract class AbstractNashornJsInvokeService extends AbstractJsInvokeSer
                     return ((Invocable) engine).invokeFunction(functionName, args);
                 }
             } catch (Exception e) {
-                onScriptExecutionError(scriptId);
+                onScriptExecutionError(scriptId, e, functionName);
                 throw new ExecutionException(e);
             }
         });

@@ -18,7 +18,6 @@ package org.thingsboard.server.service.script;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,6 +25,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StopWatch;
 import org.thingsboard.common.util.ThingsBoardThreadFactory;
 import org.thingsboard.server.gen.js.JsInvokeProtos;
 import org.thingsboard.server.queue.TbQueueRequestTemplate;
@@ -161,7 +161,8 @@ public class RemoteJsInvokeService extends AbstractJsInvokeService {
 
     @Override
     protected ListenableFuture<Object> doInvokeFunction(UUID scriptId, String functionName, Object[] args) {
-        String scriptBody = scriptIdToBodysMap.get(scriptId);
+        log.trace("doInvokeFunction js-request for uuid {} with timeout {}ms", scriptId, maxRequestsTimeout);
+        final String scriptBody = scriptIdToBodysMap.get(scriptId);
         if (scriptBody == null) {
             return Futures.immediateFailedFuture(new RuntimeException("No script body found for scriptId: [" + scriptId + "]!"));
         }
@@ -170,7 +171,7 @@ public class RemoteJsInvokeService extends AbstractJsInvokeService {
                 .setScriptIdLSB(scriptId.getLeastSignificantBits())
                 .setFunctionName(functionName)
                 .setTimeout((int) maxRequestsTimeout)
-                .setScriptBody(scriptIdToBodysMap.get(scriptId));
+                .setScriptBody(scriptBody);
 
         for (Object arg : args) {
             jsRequestBuilder.addArgs(arg.toString());
@@ -180,6 +181,9 @@ public class RemoteJsInvokeService extends AbstractJsInvokeService {
                 .setInvokeRequest(jsRequestBuilder.build())
                 .build();
 
+        StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
         ListenableFuture<TbProtoQueueMsg<JsInvokeProtos.RemoteJsResponse>> future = requestTemplate.send(new TbProtoJsQueueMsg<>(UUID.randomUUID(), jsRequestWrapper));
         if (maxRequestsTimeout > 0) {
             future = Futures.withTimeout(future, maxRequestsTimeout, TimeUnit.MILLISECONDS, timeoutExecutorService);
@@ -193,7 +197,7 @@ public class RemoteJsInvokeService extends AbstractJsInvokeService {
 
             @Override
             public void onFailure(Throwable t) {
-                onScriptExecutionError(scriptId);
+                onScriptExecutionError(scriptId, t, scriptBody);
                 if (t instanceof TimeoutException || (t.getCause() != null && t.getCause() instanceof TimeoutException)) {
                     queueTimeoutMsgs.incrementAndGet();
                 }
@@ -201,13 +205,16 @@ public class RemoteJsInvokeService extends AbstractJsInvokeService {
             }
         }, callbackExecutor);
         return Futures.transform(future, response -> {
+            stopWatch.stop();
+            log.trace("doInvokeFunction js-response took {}ms for uuid {}", stopWatch.getTotalTimeMillis(), response.getKey());
             JsInvokeProtos.JsInvokeResponse invokeResult = response.getValue().getInvokeResponse();
             if (invokeResult.getSuccess()) {
                 return invokeResult.getResult();
             } else {
-                onScriptExecutionError(scriptId);
+                final RuntimeException e = new RuntimeException(invokeResult.getErrorDetails());
+                onScriptExecutionError(scriptId, e, scriptBody);
                 log.debug("[{}] Failed to compile script due to [{}]: {}", scriptId, invokeResult.getErrorCode().name(), invokeResult.getErrorDetails());
-                throw new RuntimeException(invokeResult.getErrorDetails());
+                throw e;
             }
         }, callbackExecutor);
     }

@@ -18,12 +18,12 @@ package org.thingsboard.server.service.script;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
+import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.msg.TbMsg;
@@ -32,6 +32,7 @@ import org.thingsboard.server.common.msg.TbMsgMetaData;
 import javax.script.ScriptException;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -102,140 +103,115 @@ public class RuleNodeJsScriptEngine implements org.thingsboard.rule.engine.api.S
             String newMessageType = !StringUtils.isEmpty(messageType) ? messageType : msg.getType();
             return TbMsg.transformMsg(msg, newMessageType, msg.getOriginator(), newMetadata, newData);
         } catch (Throwable th) {
-            th.printStackTrace();
             throw new RuntimeException("Failed to unbind message data from javascript result", th);
         }
     }
 
     @Override
-    public List<TbMsg> executeUpdate(TbMsg msg) throws ScriptException {
-        JsonNode result = executeScript(msg);
-        if (result.isObject()) {
-            return Collections.singletonList(unbindMsg(result, msg));
-        } else if (result.isArray()){
-            List<TbMsg> res = new ArrayList<>(result.size());
-            result.forEach(jsonObject -> res.add(unbindMsg(jsonObject, msg)));
-            return res;
-        } else {
-            log.warn("Wrong result type: {}", result.getNodeType());
-            throw new ScriptException("Wrong result type: " + result.getNodeType());
+    public ListenableFuture<List<TbMsg>> executeUpdateAsync(TbMsg msg) {
+        ListenableFuture<JsonNode> result = executeScriptAsync(msg);
+        return Futures.transformAsync(result,
+                json -> executeUpdateTransform(msg, json),
+                MoreExecutors.directExecutor());
+    }
+
+    ListenableFuture<List<TbMsg>> executeUpdateTransform(TbMsg msg, JsonNode json) {
+        if (json.isObject()) {
+            return Futures.immediateFuture(Collections.singletonList(unbindMsg(json, msg)));
+        } else if (json.isArray()) {
+            List<TbMsg> res = new ArrayList<>(json.size());
+            json.forEach(jsonObject -> res.add(unbindMsg(jsonObject, msg)));
+            return Futures.immediateFuture(res);
         }
+        log.warn("Wrong result type: {}", json.getNodeType());
+        return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + json.getNodeType()));
     }
 
     @Override
-    public ListenableFuture<List<TbMsg>> executeUpdateAsync(TbMsg msg) {
-        ListenableFuture<JsonNode> result = executeScriptAsync(msg);
-        return Futures.transformAsync(result, json -> {
-            if (json.isObject()) {
-                return Futures.immediateFuture(Collections.singletonList(unbindMsg(json, msg)));
-            } else if (json.isArray()){
-                List<TbMsg> res = new ArrayList<>(json.size());
-                json.forEach(jsonObject -> res.add(unbindMsg(jsonObject, msg)));
-                return Futures.immediateFuture(res);
-            }
-            else{
-                log.warn("Wrong result type: {}", json.getNodeType());
-                return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + json.getNodeType()));
-            }
-        }, MoreExecutors.directExecutor());
+    public ListenableFuture<TbMsg> executeGenerateAsync(TbMsg prevMsg) {
+        return Futures.transformAsync(executeScriptAsync(prevMsg),
+                result -> executeGenerateTransform(prevMsg, result),
+                MoreExecutors.directExecutor());
     }
 
-    @Override
-    public TbMsg executeGenerate(TbMsg prevMsg) throws ScriptException {
-        JsonNode result = executeScript(prevMsg);
+    ListenableFuture<TbMsg> executeGenerateTransform(TbMsg prevMsg, JsonNode result) {
         if (!result.isObject()) {
             log.warn("Wrong result type: {}", result.getNodeType());
-            throw new ScriptException("Wrong result type: " + result.getNodeType());
+            Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + result.getNodeType()));
         }
-        return unbindMsg(result, prevMsg);
+        return Futures.immediateFuture(unbindMsg(result, prevMsg));
     }
 
     @Override
-    public JsonNode executeJson(TbMsg msg) throws ScriptException {
-        return executeScript(msg);
-    }
-
-    @Override
-    public ListenableFuture<JsonNode> executeJsonAsync(TbMsg msg) throws ScriptException {
+    public ListenableFuture<JsonNode> executeJsonAsync(TbMsg msg) {
         return executeScriptAsync(msg);
     }
 
     @Override
-    public String executeToString(TbMsg msg) throws ScriptException {
-        JsonNode result = executeScript(msg);
-        if (!result.isTextual()) {
-            log.warn("Wrong result type: {}", result.getNodeType());
-            throw new ScriptException("Wrong result type: " + result.getNodeType());
-        }
-        return result.asText();
+    public ListenableFuture<String> executeToStringAsync(TbMsg msg) {
+        return Futures.transformAsync(executeScriptAsync(msg),
+                this::executeToStringTransform,
+                MoreExecutors.directExecutor());
     }
 
-    @Override
-    public boolean executeFilter(TbMsg msg) throws ScriptException {
-        JsonNode result = executeScript(msg);
-        if (!result.isBoolean()) {
-            log.warn("Wrong result type: {}", result.getNodeType());
-            throw new ScriptException("Wrong result type: " + result.getNodeType());
+    ListenableFuture<String> executeToStringTransform(JsonNode result) {
+        if (result.isTextual()) {
+            return Futures.immediateFuture(result.asText());
         }
-        return result.asBoolean();
+        log.warn("Wrong result type: {}", result.getNodeType());
+        return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + result.getNodeType()));
     }
 
     @Override
     public ListenableFuture<Boolean> executeFilterAsync(TbMsg msg) {
-        ListenableFuture<JsonNode> result = executeScriptAsync(msg);
-        return Futures.transformAsync(result, json -> {
-            if (!json.isBoolean()) {
-                log.warn("Wrong result type: {}", json.getNodeType());
-                return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + json.getNodeType()));
-            } else {
-                return Futures.immediateFuture(json.asBoolean());
-            }
-        }, MoreExecutors.directExecutor());
+        return Futures.transformAsync(executeScriptAsync(msg),
+                this::executeFilterTransform,
+                MoreExecutors.directExecutor());
     }
 
-    @Override
-    public Set<String> executeSwitch(TbMsg msg) throws ScriptException {
-        JsonNode result = executeScript(msg);
+    ListenableFuture<Boolean> executeFilterTransform(JsonNode json) {
+        if (json.isBoolean()) {
+            return Futures.immediateFuture(json.asBoolean());
+        }
+        log.warn("Wrong result type: {}", json.getNodeType());
+        return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + json.getNodeType()));
+    }
+
+    ListenableFuture<Set<String>> executeSwitchTransform(JsonNode result) {
         if (result.isTextual()) {
-            return Collections.singleton(result.asText());
-        } else if (result.isArray()) {
-            Set<String> nextStates = Sets.newHashSet();
+            return Futures.immediateFuture(Collections.singleton(result.asText()));
+        }
+        if (result.isArray()) {
+            Set<String> nextStates = new HashSet<>();
             for (JsonNode val : result) {
                 if (!val.isTextual()) {
                     log.warn("Wrong result type: {}", val.getNodeType());
-                    throw new ScriptException("Wrong result type: " + val.getNodeType());
+                    return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + val.getNodeType()));
                 } else {
                     nextStates.add(val.asText());
                 }
             }
-            return nextStates;
-        } else {
-            log.warn("Wrong result type: {}", result.getNodeType());
-            throw new ScriptException("Wrong result type: " + result.getNodeType());
+            return Futures.immediateFuture(nextStates);
         }
+        log.warn("Wrong result type: {}", result.getNodeType());
+        return Futures.immediateFailedFuture(new ScriptException("Wrong result type: " + result.getNodeType()));
     }
 
-    private JsonNode executeScript(TbMsg msg) throws ScriptException {
-        try {
-            String[] inArgs = prepareArgs(msg);
-            String eval = sandboxService.invokeFunction(tenantId, msg.getCustomerId(), this.scriptId, inArgs[0], inArgs[1], inArgs[2]).get().toString();
-            return mapper.readTree(eval);
-        } catch (ExecutionException e) {
-            if (e.getCause() instanceof ScriptException) {
-                throw (ScriptException) e.getCause();
-            } else if (e.getCause() instanceof RuntimeException) {
-                throw new ScriptException(e.getCause().getMessage());
-            } else {
-                throw new ScriptException(e);
-            }
-        } catch (Exception e) {
-            throw new ScriptException(e);
-        }
+    @Override
+    public ListenableFuture<Set<String>> executeSwitchAsync(TbMsg msg) {
+        return Futures.transformAsync(executeScriptAsync(msg),
+                this::executeSwitchTransform,
+                MoreExecutors.directExecutor()); //usually runs in a callbackExecutor
     }
 
-    private ListenableFuture<JsonNode> executeScriptAsync(TbMsg msg) {
+    ListenableFuture<JsonNode> executeScriptAsync(TbMsg msg) {
+        log.trace("execute script async, msg {}", msg);
         String[] inArgs = prepareArgs(msg);
-        return Futures.transformAsync(sandboxService.invokeFunction(tenantId, msg.getCustomerId(), this.scriptId, inArgs[0], inArgs[1], inArgs[2]),
+        return executeScriptAsync(msg.getCustomerId(), inArgs[0], inArgs[1], inArgs[2]);
+    }
+
+    ListenableFuture<JsonNode> executeScriptAsync(CustomerId customerId, Object... args) {
+        return Futures.transformAsync(sandboxService.invokeFunction(tenantId, customerId, this.scriptId, args),
                 o -> {
                     try {
                         return Futures.immediateFuture(mapper.readTree(o.toString()));

@@ -332,6 +332,7 @@ actors:
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:caffeine}"
+  maximumPoolSize: "${CACHE_MAXIMUM_POOL_SIZE:16}" # max pool size to process futures that calls the external cache
   attributes:
     # make sure that if cache.type is 'redis' and cache.attributes.enabled is 'true' that you change 'maxmemory-policy' Redis config property to 'allkeys-lru', 'allkeys-lfu' or 'allkeys-random'
     enabled: "${CACHE_ATTRIBUTES_ENABLED:true}"

@@ -51,6 +51,13 @@ public class SnmpDeviceTransportConfiguration implements DeviceTransportConfigur
     private String privacyPassphrase;
     private String engineId;
 
+    public SnmpDeviceTransportConfiguration() {
+        this.host = "localhost";
+        this.port = 161;
+        this.protocolVersion = SnmpProtocolVersion.V2C;
+        this.community = "public";
+    }
+
     @Override
     public DeviceTransportType getType() {
         return DeviceTransportType.SNMP;
@@ -76,7 +83,7 @@ public class SnmpDeviceTransportConfiguration implements DeviceTransportConfigur
                     isValid = StringUtils.isNotBlank(username) && StringUtils.isNotBlank(securityName)
                             && contextName != null && authenticationProtocol != null
                             && StringUtils.isNotBlank(authenticationPassphrase)
-                            && privacyProtocol != null && privacyPassphrase != null && engineId != null;
+                            && privacyProtocol != null && StringUtils.isNotBlank(privacyPassphrase) && engineId != null;
                     break;
             }
         }

@@ -24,6 +24,8 @@ public interface TbQueueRequestTemplate<Request extends TbQueueMsg, Response ext
 
     ListenableFuture<Response> send(Request request);
 
+    ListenableFuture<Response> send(Request request, long timeoutNs);
+
     void stop();
 
     void setMessagesStats(MessagesStats messagesStats);

@@ -19,7 +19,9 @@ import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
 import lombok.Builder;
+import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.common.util.TbStopWatch;
 import org.thingsboard.common.util.ThingsBoardThreadFactory;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.queue.TbQueueAdmin;
@@ -31,13 +33,17 @@ import org.thingsboard.server.queue.TbQueueProducer;
 import org.thingsboard.server.queue.TbQueueRequestTemplate;
 import org.thingsboard.server.common.stats.MessagesStats;
 
+import javax.annotation.Nullable;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.LockSupport;
+import java.util.concurrent.locks.ReentrantLock;
 
 @Slf4j
 public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response extends TbQueueMsg> extends AbstractTbQueueTemplate
@@ -46,15 +52,15 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
     private final TbQueueAdmin queueAdmin;
     private final TbQueueProducer<Request> requestTemplate;
     private final TbQueueConsumer<Response> responseTemplate;
-    private final ConcurrentMap<UUID, DefaultTbQueueRequestTemplate.ResponseMetaData<Response>> pendingRequests;
-    private final boolean internalExecutor;
-    private final ExecutorService executor;
-    private final long maxRequestTimeout;
-    private final long maxPendingRequests;
-    private final long pollInterval;
-    private volatile long tickTs = 0L;
-    private volatile long tickSize = 0L;
-    private volatile boolean stopped = false;
+    final ConcurrentHashMap<UUID, DefaultTbQueueRequestTemplate.ResponseMetaData<Response>> pendingRequests = new ConcurrentHashMap<>();
+    final boolean internalExecutor;
+    final ExecutorService executor;
+    final long maxRequestTimeoutNs;
+    final long maxPendingRequests;
+    final long pollInterval;
+    volatile boolean stopped = false;
+    long nextCleanupNs = 0L;
+    private final Lock cleanerLock = new ReentrantLock();
 
     private MessagesStats messagesStats;
 
@@ -65,79 +71,113 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
                                          long maxRequestTimeout,
                                          long maxPendingRequests,
                                          long pollInterval,
-                                         ExecutorService executor) {
+                                         @Nullable ExecutorService executor) {
         this.queueAdmin = queueAdmin;
         this.requestTemplate = requestTemplate;
         this.responseTemplate = responseTemplate;
-        this.pendingRequests = new ConcurrentHashMap<>();
-        this.maxRequestTimeout = maxRequestTimeout;
+        this.maxRequestTimeoutNs = TimeUnit.MILLISECONDS.toNanos(maxRequestTimeout);
         this.maxPendingRequests = maxPendingRequests;
         this.pollInterval = pollInterval;
-        if (executor != null) {
-            internalExecutor = false;
-            this.executor = executor;
-        } else {
-            internalExecutor = true;
-            this.executor = Executors.newSingleThreadExecutor(ThingsBoardThreadFactory.forName("tb-queue-request-template-" + responseTemplate.getTopic()));
-        }
+        this.internalExecutor = (executor == null);
+        this.executor = internalExecutor ? createExecutor() : executor;
+    }
+
+    ExecutorService createExecutor() {
+        return Executors.newSingleThreadExecutor(ThingsBoardThreadFactory.forName("tb-queue-request-template-" + responseTemplate.getTopic()));
     }
 
     @Override
     public void init() {
         queueAdmin.createTopicIfNotExists(responseTemplate.getTopic());
-        this.requestTemplate.init();
-        tickTs = System.currentTimeMillis();
+        requestTemplate.init();
         responseTemplate.subscribe();
-        executor.submit(() -> {
-            long nextCleanupMs = 0L;
-            while (!stopped) {
-                try {
-                    List<Response> responses = responseTemplate.poll(pollInterval);
-                    if (responses.size() > 0) {
-                        log.trace("Polling responses completed, consumer records count [{}]", responses.size());
-                    }
-                    responses.forEach(response -> {
-                        byte[] requestIdHeader = response.getHeaders().get(REQUEST_ID_HEADER);
-                        UUID requestId;
-                        if (requestIdHeader == null) {
-                            log.error("[{}] Missing requestId in header and body", response);
-                        } else {
-                            requestId = bytesToUuid(requestIdHeader);
-                            log.trace("[{}] Response received: {}", requestId, response);
-                            ResponseMetaData<Response> expectedResponse = pendingRequests.remove(requestId);
-                            if (expectedResponse == null) {
-                                log.trace("[{}] Invalid or stale request", requestId);
-                            } else {
-                                expectedResponse.future.set(response);
-                            }
+        executor.submit(this::mainLoop);
+    }
+
+    void mainLoop() {
+        while (!stopped) {
+            TbStopWatch sw = TbStopWatch.startNew();
+            try {
+                fetchAndProcessResponses();
+            } catch (Throwable e) {
+                long sleepNanos = TimeUnit.MILLISECONDS.toNanos(this.pollInterval) - sw.stopAndGetTotalTimeNanos();
+                log.warn("Failed to obtain and process responses from queue. Going to sleep " + sleepNanos + "ns", e);
+                sleep(sleepNanos);
+            }
+        }
+    }
+
+    void fetchAndProcessResponses() {
+        final long pendingRequestsCount = pendingRequests.mappingCount();
+        log.trace("Starting template pool topic {}, for pendingRequests {}", responseTemplate.getTopic(), pendingRequestsCount);
+        List<Response> responses = doPoll(); //poll js responses
+        log.trace("Completed template poll topic {}, for pendingRequests [{}], received [{}] responses", responseTemplate.getTopic(), pendingRequestsCount, responses.size());
+        responses.forEach(this::processResponse); //this can take a long time
+        responseTemplate.commit();
+        tryCleanStaleRequests();
+    }
+
+    private boolean tryCleanStaleRequests() {
+        if (!cleanerLock.tryLock()) {
+            return false;
+        }
+        try {
+            log.trace("tryCleanStaleRequest...");
+            final long currentNs = getCurrentClockNs();
+            if (nextCleanupNs < currentNs) {
+                pendingRequests.forEach((key, value) -> {
+                    if (value.expTime < currentNs) {
+                        ResponseMetaData<Response> staleRequest = pendingRequests.remove(key);
+                        if (staleRequest != null) {
+                            setTimeoutException(key, staleRequest, currentNs);
                         }
-                    });
-                    responseTemplate.commit();
-                    tickTs = System.currentTimeMillis();
-                    tickSize = pendingRequests.size();
-                    if (nextCleanupMs < tickTs) {
-                        //cleanup;
-                        pendingRequests.forEach((key, value) -> {
-                            if (value.expTime < tickTs) {
-                                ResponseMetaData<Response> staleRequest = pendingRequests.remove(key);
-                                if (staleRequest != null) {
-                                    log.trace("[{}] Request timeout detected, expTime [{}], tickTs [{}]", key, staleRequest.expTime, tickTs);
-                                    staleRequest.future.setException(new TimeoutException());
-                                }
-                            }
-                        });
-                        nextCleanupMs = tickTs + maxRequestTimeout;
-                    }
-                } catch (Throwable e) {
-                    log.warn("Failed to obtain responses from queue.", e);
-                    try {
-                        Thread.sleep(pollInterval);
-                    } catch (InterruptedException e2) {
-                        log.trace("Failed to wait until the server has capacity to handle new responses", e2);
                     }
-                }
+                });
+                setupNextCleanup();
             }
-        });
+        } finally {
+            cleanerLock.unlock();
+        }
+        return true;
+    }
+
+    void setupNextCleanup() {
+        nextCleanupNs = getCurrentClockNs() + maxRequestTimeoutNs;
+        log.trace("setupNextCleanup {}", nextCleanupNs);
+    }
+
+    List<Response> doPoll() {
+        return responseTemplate.poll(pollInterval);
+    }
+
+    void sleep(long nanos) {
+        LockSupport.parkNanos(nanos);
+    }
+
+    void setTimeoutException(UUID key, ResponseMetaData<Response> staleRequest, long currentNs) {
+        if (currentNs >= staleRequest.getSubmitTime() + staleRequest.getTimeout()) {
+            log.warn("Request timeout detected, currentNs [{}], {}, key [{}]", currentNs, staleRequest, key);
+        } else {
+            log.error("Request timeout detected, currentNs [{}], {}, key [{}]", currentNs, staleRequest, key);
+        }
+        staleRequest.future.setException(new TimeoutException());
+    }
+
+    void processResponse(Response response) {
+        byte[] requestIdHeader = response.getHeaders().get(REQUEST_ID_HEADER);
+        UUID requestId;
+        if (requestIdHeader == null) {
+            log.error("[{}] Missing requestId in header and body", response);
+        } else {
+            requestId = bytesToUuid(requestIdHeader);
+            log.trace("[{}] Response received: {}", requestId, String.valueOf(response).replace("\n", " ")); //TODO remove overhead
+            ResponseMetaData<Response> expectedResponse = pendingRequests.remove(requestId);
+            if (expectedResponse == null) {
+                log.warn("[{}] Invalid or stale request, response: {}", requestId, String.valueOf(response).replace("\n", " "));
+            } else {
+                expectedResponse.future.set(response);
+            }
+        }
     }
 
     @Override
@@ -164,17 +204,48 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
 
     @Override
     public ListenableFuture<Response> send(Request request) {
-        if (tickSize > maxPendingRequests) {
+        return send(request, this.maxRequestTimeoutNs);
+    }
+
+    @Override
+    public ListenableFuture<Response> send(Request request, long requestTimeoutNs) {
+        if (pendingRequests.mappingCount() >= maxPendingRequests) {
+            log.warn("Pending request map is full [{}]! Consider to increase maxPendingRequests or increase processing performance", maxPendingRequests);
             return Futures.immediateFailedFuture(new RuntimeException("Pending request map is full!"));
         }
         UUID requestId = UUID.randomUUID();
         request.getHeaders().put(REQUEST_ID_HEADER, uuidToBytes(requestId));
         request.getHeaders().put(RESPONSE_TOPIC_HEADER, stringToBytes(responseTemplate.getTopic()));
-        request.getHeaders().put(REQUEST_TIME, longToBytes(System.currentTimeMillis()));
+        request.getHeaders().put(REQUEST_TIME, longToBytes(getCurrentTimeMs()));
+        long currentClockNs = getCurrentClockNs();
         SettableFuture<Response> future = SettableFuture.create();
-        ResponseMetaData<Response> responseMetaData = new ResponseMetaData<>(tickTs + maxRequestTimeout, future);
-        pendingRequests.putIfAbsent(requestId, responseMetaData);
-        log.trace("[{}] Sending request, key [{}], expTime [{}]", requestId, request.getKey(), responseMetaData.expTime);
+        ResponseMetaData<Response> responseMetaData = new ResponseMetaData<>(currentClockNs + requestTimeoutNs, future, currentClockNs, requestTimeoutNs);
+        log.trace("pending {}", responseMetaData);
+        if (pendingRequests.putIfAbsent(requestId, responseMetaData) != null) {
+            log.warn("Pending request already exists [{}]!", maxPendingRequests);
+            return Futures.immediateFailedFuture(new RuntimeException("Pending request already exists !" + requestId));
+        }
+        sendToRequestTemplate(request, requestId, future, responseMetaData);
+        return future;
+    }
+
+    /**
+     * MONOTONIC clock instead jumping wall clock.
+     * Wrapped into the method for the test purposes to travel through the time
+     * */
+    long getCurrentClockNs() {
+        return System.nanoTime();
+    }
+
+    /**
+     * Wall clock to send timestamp to an external service
+     * */
+    long getCurrentTimeMs() {
+        return System.currentTimeMillis();
+    }
+
+    void sendToRequestTemplate(Request request, UUID requestId, SettableFuture<Response> future, ResponseMetaData<Response> responseMetaData) {
+        log.trace("[{}] Sending request, key [{}], expTime [{}], request {}", requestId, request.getKey(), responseMetaData.expTime, request);
         if (messagesStats != null) {
             messagesStats.incrementTotal();
         }
@@ -184,7 +255,7 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
                 if (messagesStats != null) {
                     messagesStats.incrementSuccessful();
                 }
-                log.trace("[{}] Request sent: {}", requestId, metadata);
+                log.trace("[{}] Request sent: {}, request {}", requestId, metadata, request);
             }
 
             @Override
@@ -196,17 +267,32 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
                 future.setException(t);
             }
         });
-        return future;
     }
 
-    private static class ResponseMetaData<T> {
+    @Getter
+    static class ResponseMetaData<T> {
+        private final long submitTime;
+        private final long timeout;
         private final long expTime;
         private final SettableFuture<T> future;
 
-        ResponseMetaData(long ts, SettableFuture<T> future) {
+        ResponseMetaData(long ts, SettableFuture<T> future, long submitTime, long timeout) {
+            this.submitTime = submitTime;
+            this.timeout = timeout;
             this.expTime = ts;
             this.future = future;
         }
+
+        @Override
+        public String toString() {
+            return "ResponseMetaData{" +
+                    "submitTime=" + submitTime +
+                    ", calculatedExpTime=" + (submitTime + timeout) +
+                    ", deltaMs=" + (expTime - submitTime) +
+                    ", expTime=" + expTime +
+                    ", future=" + future +
+                    '}';
+        }
     }
 
 }

@@ -21,6 +21,7 @@ import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.apache.kafka.clients.consumer.ConsumerRecords;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
+import org.springframework.util.StopWatch;
 import org.thingsboard.server.queue.TbQueueAdmin;
 import org.thingsboard.server.queue.TbQueueMsg;
 import org.thingsboard.server.queue.common.AbstractTbQueueConsumerTemplate;
@@ -82,7 +83,16 @@ public class TbKafkaConsumerTemplate<T extends TbQueueMsg> extends AbstractTbQue
 
     @Override
     protected List<ConsumerRecord<String, byte[]>> doPoll(long durationInMillis) {
+        StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        log.trace("poll topic {} maxDuration {}", getTopic(), durationInMillis);
+
         ConsumerRecords<String, byte[]> records = consumer.poll(Duration.ofMillis(durationInMillis));
+
+        stopWatch.stop();
+        log.trace("poll topic {} took {}ms", getTopic(), stopWatch.getTotalTimeMillis());
+
         if (records.isEmpty()) {
             return Collections.emptyList();
         } else {

+/**
+ * Copyright © 2016-2021 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.queue.common;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.thingsboard.server.queue.TbQueueAdmin;
+import org.thingsboard.server.queue.TbQueueConsumer;
+import org.thingsboard.server.queue.TbQueueMsg;
+import org.thingsboard.server.queue.TbQueueProducer;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.greaterThanOrEqualTo;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.lessThan;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.BDDMockito.willAnswer;
+import static org.mockito.BDDMockito.willDoNothing;
+import static org.mockito.BDDMockito.willReturn;
+import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.mockito.hamcrest.MockitoHamcrest.longThat;
+
+@Slf4j
+@RunWith(MockitoJUnitRunner.class)
+public class DefaultTbQueueRequestTemplateTest {
+
+    @Mock
+    TbQueueAdmin queueAdmin;
+    @Mock
+    TbQueueProducer<TbQueueMsg> requestTemplate;
+    @Mock
+    TbQueueConsumer<TbQueueMsg> responseTemplate;
+    @Mock
+    ExecutorService executorMock;
+
+    ExecutorService executor;
+    String topic = "js-responses-tb-node-0";
+    long maxRequestTimeout = 10;
+    long maxPendingRequests = 32;
+    long pollInterval = 5;
+
+    DefaultTbQueueRequestTemplate inst;
+
+    @Before
+    public void setUp() throws Exception {
+        willReturn(topic).given(responseTemplate).getTopic();
+        inst = spy(new DefaultTbQueueRequestTemplate(
+                queueAdmin, requestTemplate, responseTemplate,
+                maxRequestTimeout, maxPendingRequests, pollInterval, executorMock));
+
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        if (executor != null) {
+            executor.shutdownNow();
+        }
+    }
+
+    @Test
+    public void givenInstance_whenVerifyInitialParameters_thenOK() {
+        assertThat(inst.maxPendingRequests, equalTo(maxPendingRequests));
+        assertThat(inst.maxRequestTimeoutNs, equalTo(TimeUnit.MILLISECONDS.toNanos(maxRequestTimeout)));
+        assertThat(inst.pollInterval, equalTo(pollInterval));
+        assertThat(inst.executor, is(executorMock));
+        assertThat(inst.stopped, is(false));
+        assertThat(inst.internalExecutor, is(false));
+    }
+
+    @Test
+    public void givenExternalExecutor_whenInitStop_thenOK() {
+        inst.init();
+        assertThat(inst.nextCleanupNs, equalTo(0L));
+        verify(queueAdmin, times(1)).createTopicIfNotExists(topic);
+        verify(requestTemplate, times(1)).init();
+        verify(responseTemplate, times(1)).subscribe();
+        verify(executorMock, times(1)).submit(any(Runnable.class));
+
+        inst.stop();
+        assertThat(inst.stopped, is(true));
+        verify(responseTemplate, times(1)).unsubscribe();
+        verify(requestTemplate, times(1)).stop();
+        verify(executorMock, never()).shutdownNow();
+    }
+
+    @Test
+    public void givenMainLoop_whenLoopFewTimes_thenVerifyInvocationCount() throws InterruptedException {
+        executor = inst.createExecutor();
+        CountDownLatch latch = new CountDownLatch(5);
+        willDoNothing().given(inst).sleep(anyLong());
+        willAnswer(invocation -> {
+            if (latch.getCount() == 1) {
+                inst.stop(); //stop the loop in natural way
+            }
+            if (latch.getCount() == 3 || latch.getCount() == 4) {
+                latch.countDown();
+                throw new RuntimeException("test catch block");
+            }
+            latch.countDown();
+            return null;
+        }).given(inst).fetchAndProcessResponses();
+
+        executor.submit(inst::mainLoop);
+        latch.await(10, TimeUnit.SECONDS);
+
+        verify(inst, times(5)).fetchAndProcessResponses();
+        verify(inst, times(2)).sleep(longThat(lessThan(TimeUnit.MILLISECONDS.toNanos(inst.pollInterval))));
+    }
+
+    @Test
+    public void givenMessages_whenSend_thenOK() {
+        willDoNothing().given(inst).sendToRequestTemplate(any(), any(), any(), any());
+        inst.init();
+        final int msgCount = 10;
+        for (int i = 0; i < msgCount; i++) {
+            inst.send(getRequestMsgMock());
+        }
+        assertThat(inst.pendingRequests.mappingCount(), equalTo((long) msgCount));
+        verify(inst, times(msgCount)).sendToRequestTemplate(any(), any(), any(), any());
+    }
+
+    @Test
+    public void givenMessagesOverMaxPendingRequests_whenSend_thenImmediateFailedFutureForTheOfRequests() {
+        willDoNothing().given(inst).sendToRequestTemplate(any(), any(), any(), any());
+        inst.init();
+        int msgOverflowCount = 10;
+        for (int i = 0; i < inst.maxPendingRequests; i++) {
+            assertThat(inst.send(getRequestMsgMock()).isDone(), is(false)); //SettableFuture future - pending only
+        }
+        for (int i = 0; i < msgOverflowCount; i++) {
+            assertThat("max pending requests overflow", inst.send(getRequestMsgMock()).isDone(), is(true)); //overflow, immediate failed future
+        }
+        assertThat(inst.pendingRequests.mappingCount(), equalTo(inst.maxPendingRequests));
+        verify(inst, times((int) inst.maxPendingRequests)).sendToRequestTemplate(any(), any(), any(), any());
+    }
+
+    @Test
+    public void givenNothing_whenSendAndFetchAndProcessResponsesWithTimeout_thenFail() {
+        //given
+        AtomicLong currentTime = new AtomicLong();
+        willAnswer(x -> {
+            log.info("currentTime={}", currentTime.get());
+            return currentTime.get();
+        }).given(inst).getCurrentClockNs();
+        inst.init();
+        inst.setupNextCleanup();
+        willReturn(Collections.emptyList()).given(inst).doPoll();
+
+        //when
+        long stepNs = TimeUnit.MILLISECONDS.toNanos(1);
+        for (long i = 0; i <= inst.maxRequestTimeoutNs * 2; i = i + stepNs) {
+            currentTime.addAndGet(stepNs);
+            assertThat(inst.send(getRequestMsgMock()).isDone(), is(false)); //SettableFuture future - pending only
+            if (i % (inst.maxRequestTimeoutNs * 3 / 2) == 0) {
+                inst.fetchAndProcessResponses();
+            }
+        }
+
+        //then
+        ArgumentCaptor<DefaultTbQueueRequestTemplate.ResponseMetaData> argumentCaptorResp = ArgumentCaptor.forClass(DefaultTbQueueRequestTemplate.ResponseMetaData.class);
+        ArgumentCaptor<UUID> argumentCaptorUUID = ArgumentCaptor.forClass(UUID.class);
+        ArgumentCaptor<Long> argumentCaptorLong = ArgumentCaptor.forClass(Long.class);
+        verify(inst, atLeastOnce()).setTimeoutException(argumentCaptorUUID.capture(), argumentCaptorResp.capture(), argumentCaptorLong.capture());
+
+        List<DefaultTbQueueRequestTemplate.ResponseMetaData> responseMetaDataList = argumentCaptorResp.getAllValues();
+        List<Long> tickTsList = argumentCaptorLong.getAllValues();
+        for (int i = 0; i < responseMetaDataList.size(); i++) {
+            assertThat("tickTs >= calculatedExpTime", tickTsList.get(i), greaterThanOrEqualTo(responseMetaDataList.get(i).getSubmitTime() + responseMetaDataList.get(i).getTimeout()));
+        }
+    }
+
+    TbQueueMsg getRequestMsgMock() {
+        return mock(TbQueueMsg.class, RETURNS_DEEP_STUBS);
+    }
+}
\ No newline at end of file

@@ -37,6 +37,10 @@
 
     <dependencies>
         <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+        </dependency>
+        <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
             <scope>provided</scope>

+/**
+ * Copyright © 2016-2021 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.common.util;
+
+import org.springframework.util.StopWatch;
+
+/**
+ * Utility method that extends Spring Framework StopWatch
+ * It is a MONOTONIC time stopwatch.
+ * It is a replacement for any measurements with a wall-clock like System.currentTimeMillis()
+ * It is not affected by leap second, day-light saving and wall-clock adjustments by manual or network time synchronization
+ * The main features is a single call for common use cases:
+ *  - create and start: TbStopWatch sw = TbStopWatch.startNew()
+ *  - stop and get: sw.stopAndGetTotalTimeMillis() or sw.stopAndGetLastTaskTimeMillis()
+ * */
+public class TbStopWatch extends StopWatch {
+
+    public static TbStopWatch startNew(){
+        TbStopWatch stopWatch = new TbStopWatch();
+        stopWatch.start();
+        return stopWatch;
+    }
+
+    public long stopAndGetTotalTimeMillis(){
+        stop();
+        return getTotalTimeMillis();
+    }
+
+    public long stopAndGetTotalTimeNanos(){
+        stop();
+        return getLastTaskTimeNanos();
+    }
+
+    public long stopAndGetLastTaskTimeMillis(){
+        stop();
+        return getLastTaskTimeMillis();
+    }
+
+    public long stopAndGetLastTaskTimeNanos(){
+        stop();
+        return getLastTaskTimeNanos();
+    }
+
+}

@@ -21,7 +21,6 @@ import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.cache.Cache;
-import org.springframework.cache.CacheManager;
 import org.springframework.context.annotation.Primary;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.EntityType;
@@ -32,6 +31,7 @@ import org.thingsboard.server.common.data.kv.AttributeKvEntry;
 import org.thingsboard.server.common.data.kv.KvEntry;
 import org.thingsboard.server.common.stats.DefaultCounter;
 import org.thingsboard.server.common.stats.StatsFactory;
+import org.thingsboard.server.dao.cache.CacheExecutorService;
 import org.thingsboard.server.dao.service.Validator;
 
 import java.util.ArrayList;
@@ -45,7 +45,6 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import static org.thingsboard.server.common.data.CacheConstants.ATTRIBUTES_CACHE;
 import static org.thingsboard.server.dao.attributes.AttributeUtils.validate;
 
 @Service
@@ -59,12 +58,15 @@ public class CachedAttributesService implements AttributesService {
     private final AttributesCacheWrapper cacheWrapper;
     private final DefaultCounter hitCounter;
     private final DefaultCounter missCounter;
+    private final CacheExecutorService cacheExecutorService;
 
     public CachedAttributesService(AttributesDao attributesDao,
                                    AttributesCacheWrapper cacheWrapper,
-                                   StatsFactory statsFactory) {
+                                   StatsFactory statsFactory,
+                                   CacheExecutorService cacheExecutorService) {
         this.attributesDao = attributesDao;
         this.cacheWrapper = cacheWrapper;
+        this.cacheExecutorService = cacheExecutorService;
 
         this.hitCounter = statsFactory.createDefaultCounter(STATS_NAME, "result", "hit");
         this.missCounter = statsFactory.createDefaultCounter(STATS_NAME, "result", "miss");
@@ -88,7 +90,7 @@ public class CachedAttributesService implements AttributesService {
                 // TODO: think if it's a good idea to store 'empty' attributes
                 cacheWrapper.put(attributeCacheKey, foundAttrKvEntry.orElse(null));
                 return foundAttrKvEntry;
-            }, MoreExecutors.directExecutor());
+            }, cacheExecutorService);
         }
     }
 
@@ -111,7 +113,7 @@ public class CachedAttributesService implements AttributesService {
         notFoundAttributeKeys.removeAll(wrappedCachedAttributes.keySet());
 
         ListenableFuture<List<AttributeKvEntry>> result = attributesDao.find(tenantId, entityId, scope, notFoundAttributeKeys);
-        return Futures.transform(result, foundInDbAttributes -> mergeDbAndCacheAttributes(entityId, scope, cachedAttributes, notFoundAttributeKeys, foundInDbAttributes), MoreExecutors.directExecutor());
+        return Futures.transform(result, foundInDbAttributes -> mergeDbAndCacheAttributes(entityId, scope, cachedAttributes, notFoundAttributeKeys, foundInDbAttributes), cacheExecutorService);
 
     }
 
@@ -169,7 +171,7 @@ public class CachedAttributesService implements AttributesService {
 
         // TODO: can do if (attributesCache.get() != null) attributesCache.put() instead, but will be more twice more requests to cache
         List<String> attributeKeys = attributes.stream().map(KvEntry::getKey).collect(Collectors.toList());
-        future.addListener(() -> evictAttributesFromCache(tenantId, entityId, scope, attributeKeys), MoreExecutors.directExecutor());
+        future.addListener(() -> evictAttributesFromCache(tenantId, entityId, scope, attributeKeys), cacheExecutorService);
         return future;
     }
 
@@ -177,7 +179,7 @@ public class CachedAttributesService implements AttributesService {
     public ListenableFuture<List<Void>> removeAll(TenantId tenantId, EntityId entityId, String scope, List<String> attributeKeys) {
         validate(entityId, scope);
         ListenableFuture<List<Void>> future = attributesDao.removeAll(tenantId, entityId, scope, attributeKeys);
-        future.addListener(() -> evictAttributesFromCache(tenantId, entityId, scope, attributeKeys), MoreExecutors.directExecutor());
+        future.addListener(() -> evictAttributesFromCache(tenantId, entityId, scope, attributeKeys), cacheExecutorService);
         return future;
     }
 

+/**
+ * Copyright © 2016-2021 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.dao.cache;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.thingsboard.common.util.AbstractListeningExecutor;
+
+@Component
+public class CacheExecutorService extends AbstractListeningExecutor {
+
+    @Value("${cache.maximumPoolSize}")
+    private int poolSize;
+
+    @Override
+    protected int getThreadPollSize() {
+        return poolSize;
+    }
+
+}

@@ -10,6 +10,7 @@ audit-log.default_query_period=30
 audit-log.sink.type=none
 
 cache.type=caffeine
+cache.maximumPoolSize=16
 #cache.type=redis
 
 caffeine.specs.relations.timeToLiveInMinutes=1440

+/*
+ * Copyright © 2016-2021 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.
+ */
+const config = require('config'),
+      logger = require('../config/logger')._logger('httpServer'),
+      express = require('express');
+
+const httpPort = Number(config.get('http_port'));
+
+const app = express();
+
+app.get('/livenessProbe', async (req, res) => {
+  const date = new Date();
+  const message = { now: date.toISOString() };
+  res.send(message);
+})
+
+app.listen(httpPort, () => logger.info(`Started http endpoint on port ${httpPort}. Please, use /livenessProbe !`))
\ No newline at end of file

@@ -25,6 +25,7 @@ const config = require('config'),
       Utils = require('./utils'),
       JsExecutor = require('./jsExecutor');
 
+const statFrequency = Number(config.get('script.stat_print_frequency'));
 const scriptBodyTraceFrequency = Number(config.get('script.script_body_trace_frequency'));
 const useSandbox = config.get('script.use_sandbox') === 'true';
 const maxActiveScripts = Number(config.get('script.max_active_scripts'));
@@ -34,15 +35,15 @@ const slowQueryLogBody = config.get('script.slow_query_log_body') === 'true';
 const {performance} = require('perf_hooks');
 
 function JsInvokeMessageProcessor(producer) {
-    console.log("Producer:", producer);
     this.producer = producer;
     this.executor = new JsExecutor(useSandbox);
-    this.scriptMap = {};
+    this.scriptMap = new Map();
     this.scriptIds = [];
     this.executedScriptsCounter = 0;
+    this.lastStatTime = performance.now();
 }
 
-JsInvokeMessageProcessor.prototype.onJsInvokeMessage = function(message) {
+JsInvokeMessageProcessor.prototype.onJsInvokeMessage = function (message) {
     var tStart = performance.now();
     let requestId;
     let responseTopic;
@@ -77,13 +78,13 @@ JsInvokeMessageProcessor.prototype.onJsInvokeMessage = function(message) {
     var tFinish = performance.now();
     var tTook = tFinish - tStart;
 
-    if ( tTook > slowQueryLogMs ) {
+    if (tTook > slowQueryLogMs) {
         let functionName;
         if (request.invokeRequest) {
             try {
                 buf = Buffer.from(request.invokeRequest['functionName']);
                 functionName = buf.toString('utf8');
-            } catch (err){
+            } catch (err) {
                 logger.error('[%s] Failed to read functionName from message header: %s', requestId, err.message);
                 logger.error(err.stack);
             }
@@ -96,7 +97,7 @@ JsInvokeMessageProcessor.prototype.onJsInvokeMessage = function(message) {
 
 }
 
-JsInvokeMessageProcessor.prototype.processCompileRequest = function(requestId, responseTopic, headers, compileRequest) {
+JsInvokeMessageProcessor.prototype.processCompileRequest = function (requestId, responseTopic, headers, compileRequest) {
     var scriptId = getScriptId(compileRequest);
     logger.debug('[%s] Processing compile request, scriptId: [%s]', requestId, scriptId);
 
@@ -115,15 +116,20 @@ JsInvokeMessageProcessor.prototype.processCompileRequest = function(requestId, r
     );
 }
 
-JsInvokeMessageProcessor.prototype.processInvokeRequest = function(requestId, responseTopic, headers, invokeRequest) {
+JsInvokeMessageProcessor.prototype.processInvokeRequest = function (requestId, responseTopic, headers, invokeRequest) {
     var scriptId = getScriptId(invokeRequest);
     logger.debug('[%s] Processing invoke request, scriptId: [%s]', requestId, scriptId);
     this.executedScriptsCounter++;
-    if ( this.executedScriptsCounter >= scriptBodyTraceFrequency ) {
-        this.executedScriptsCounter = 0;
-        if (logger.levels[logger.level] >= logger.levels['debug']) {
-            logger.debug('[%s] Executing script body: [%s]', scriptId, invokeRequest.scriptBody);
-        }
+    if (this.executedScriptsCounter % statFrequency == 0) {
+        const nowMs = performance.now();
+        const msSinceLastStat = nowMs - this.lastStatTime;
+        const requestsPerSec = msSinceLastStat == 0 ? statFrequency : statFrequency / msSinceLastStat * 1000;
+        this.lastStatTime = nowMs;
+        logger.info('STAT[%s]: requests [%s], took [%s]ms, request/s [%s]', this.executedScriptsCounter, statFrequency, msSinceLastStat, requestsPerSec);
+    }
+
+    if (this.executedScriptsCounter % scriptBodyTraceFrequency == 0) {
+        logger.info('[%s] Executing script body: [%s]', scriptId, invokeRequest.scriptBody);
     }
     this.getOrCompileScript(scriptId, invokeRequest.scriptBody).then(
         (script) => {
@@ -154,15 +160,15 @@ JsInvokeMessageProcessor.prototype.processInvokeRequest = function(requestId, re
     );
 }
 
-JsInvokeMessageProcessor.prototype.processReleaseRequest = function(requestId, responseTopic, headers, releaseRequest) {
+JsInvokeMessageProcessor.prototype.processReleaseRequest = function (requestId, responseTopic, headers, releaseRequest) {
     var scriptId = getScriptId(releaseRequest);
     logger.debug('[%s] Processing release request, scriptId: [%s]', requestId, scriptId);
-    if (this.scriptMap[scriptId]) {
+    if (this.scriptMap.has(scriptId)) {
         var index = this.scriptIds.indexOf(scriptId);
         if (index > -1) {
             this.scriptIds.splice(index, 1);
         }
-        delete this.scriptMap[scriptId];
+        this.scriptMap.delete(scriptId);
     }
     var releaseResponse = createReleaseResponse(scriptId, true);
     logger.debug('[%s] Sending success release response, scriptId: [%s]', requestId, scriptId);
@@ -173,6 +179,7 @@ JsInvokeMessageProcessor.prototype.sendResponse = function (requestId, responseT
     var tStartSending = performance.now();
     var remoteResponse = createRemoteResponse(requestId, compileResponse, invokeResponse, releaseResponse);
     var rawResponse = Buffer.from(JSON.stringify(remoteResponse), 'utf8');
+    logger.debug('[%s] Sending response to queue, scriptId: [%s]', requestId, scriptId);
     this.producer.send(responseTopic, scriptId, rawResponse, headers).then(
         () => {
             logger.debug('[%s] Response sent to queue, took [%s]ms, scriptId: [%s]', requestId, (performance.now() - tStartSending), scriptId);
@@ -186,16 +193,17 @@ JsInvokeMessageProcessor.prototype.sendResponse = function (requestId, responseT
     );
 }
 
-JsInvokeMessageProcessor.prototype.getOrCompileScript = function(scriptId, scriptBody) {
+JsInvokeMessageProcessor.prototype.getOrCompileScript = function (scriptId, scriptBody) {
     var self = this;
-    return new Promise(function(resolve, reject) {
-        if (self.scriptMap[scriptId]) {
-            resolve(self.scriptMap[scriptId]);
+    return new Promise(function (resolve, reject) {
+        const script = self.scriptMap.get(scriptId);
+        if (script) {
+            resolve(script);
         } else {
             self.executor.compileScript(scriptBody).then(
-                (script) => {
-                    self.cacheScript(scriptId, script);
-                    resolve(script);
+                (compiledScript) => {
+                    self.cacheScript(scriptId, compiledScript);
+                    resolve(compiledScript);
                 },
                 (err) => {
                     reject(err);
@@ -205,56 +213,57 @@ JsInvokeMessageProcessor.prototype.getOrCompileScript = function(scriptId, scrip
     });
 }
 
-JsInvokeMessageProcessor.prototype.cacheScript = function(scriptId, script) {
-    if (!this.scriptMap[scriptId]) {
+JsInvokeMessageProcessor.prototype.cacheScript = function (scriptId, script) {
+    if (!this.scriptMap.has(scriptId)) {
         this.scriptIds.push(scriptId);
         while (this.scriptIds.length > maxActiveScripts) {
             logger.info('Active scripts count [%s] exceeds maximum limit [%s]', this.scriptIds.length, maxActiveScripts);
             const prevScriptId = this.scriptIds.shift();
             logger.info('Removing active script with id [%s]', prevScriptId);
-            delete this.scriptMap[prevScriptId];
+            this.scriptMap.delete(prevScriptId);
         }
     }
-    this.scriptMap[scriptId] = script;
+    this.scriptMap.set(scriptId, script);
+    logger.info("scriptMap size is [%s]", this.scriptMap.size);
 }
 
 function createRemoteResponse(requestId, compileResponse, invokeResponse, releaseResponse) {
     const requestIdBits = Utils.UUIDToBits(requestId);
     return {
-            requestIdMSB: requestIdBits[0],
-            requestIdLSB: requestIdBits[1],
-            compileResponse: compileResponse,
-            invokeResponse: invokeResponse,
-            releaseResponse: releaseResponse
+        requestIdMSB: requestIdBits[0],
+        requestIdLSB: requestIdBits[1],
+        compileResponse: compileResponse,
+        invokeResponse: invokeResponse,
+        releaseResponse: releaseResponse
     };
 }
 
 function createCompileResponse(scriptId, success, errorCode, err) {
     const scriptIdBits = Utils.UUIDToBits(scriptId);
-    return  {
-            errorCode: errorCode,
-            success: success,
-            errorDetails: parseJsErrorDetails(err),
-            scriptIdMSB: scriptIdBits[0],
-            scriptIdLSB: scriptIdBits[1]
+    return {
+        errorCode: errorCode,
+        success: success,
+        errorDetails: parseJsErrorDetails(err),
+        scriptIdMSB: scriptIdBits[0],
+        scriptIdLSB: scriptIdBits[1]
     };
 }
 
 function createInvokeResponse(result, success, errorCode, err) {
-    return  {
-            errorCode: errorCode,
-            success: success,
-            errorDetails: parseJsErrorDetails(err),
-            result: result
+    return {
+        errorCode: errorCode,
+        success: success,
+        errorDetails: parseJsErrorDetails(err),
+        result: result
     };
 }
 
 function createReleaseResponse(scriptId, success) {
     const scriptIdBits = Utils.UUIDToBits(scriptId);
     return {
-            success: success,
-            scriptIdMSB: scriptIdBits[0],
-            scriptIdLSB: scriptIdBits[1]
+        success: success,
+        scriptIdMSB: scriptIdBits[0],
+        scriptIdLSB: scriptIdBits[1]
     };
 }
 

@@ -16,6 +16,7 @@
 
 queue_type: "TB_QUEUE_TYPE" #kafka (Apache Kafka) or aws-sqs (AWS SQS) or pubsub (PubSub) or service-bus (Azure Service Bus) or rabbitmq (RabbitMQ)
 request_topic: "REMOTE_JS_EVAL_REQUEST_TOPIC"
+http_port: "HTTP_PORT"      # /livenessProbe
 
 js:
   response_poll_interval: "REMOTE_JS_RESPONSE_POLL_INTERVAL_MS"
@@ -26,6 +27,9 @@ kafka:
     servers: "TB_KAFKA_SERVERS"
   replication_factor: "TB_QUEUE_KAFKA_REPLICATION_FACTOR"
   acks: "TB_KAFKA_ACKS" # -1 = all; 0 = no acknowledgments; 1 = only waits for the leader to acknowledge
+  batch_size: "TB_KAFKA_BATCH_SIZE" # for producer
+  linger_ms: "TB_KAFKA_LINGER_MS" # for producer
+  partitions_consumed_concurrently: "TB_KAFKA_PARTITIONS_CONSUMED_CONCURRENTLY" # (EXPERIMENTAL) increase this value if you are planning to handle more than one partition (scale up, scale down) - this will decrease the latency
   requestTimeout: "TB_QUEUE_KAFKA_REQUEST_TIMEOUT_MS"
   compression: "TB_QUEUE_KAFKA_COMPRESSION" # gzip or uncompressed
   topic_properties: "TB_QUEUE_KAFKA_JE_TOPIC_PROPERTIES"
@@ -70,6 +74,7 @@ logger:
 
 script:
   use_sandbox: "SCRIPT_USE_SANDBOX"
+  stat_print_frequency: "SCRIPT_STAT_PRINT_FREQUENCY"
   script_body_trace_frequency: "SCRIPT_BODY_TRACE_FREQUENCY"
   max_active_scripts: "MAX_ACTIVE_SCRIPTS"
   slow_query_log_ms: "SLOW_QUERY_LOG_MS" #1.123456

@@ -16,6 +16,7 @@
 
 queue_type: "kafka"
 request_topic: "js_eval.requests"
+http_port: "8888" # /livenessProbe
 
 js:
   response_poll_interval: "25"
@@ -26,6 +27,9 @@ kafka:
     servers: "localhost:9092"
   replication_factor: "1"
   acks: "1" # -1 = all; 0 = no acknowledgments; 1 = only waits for the leader to acknowledge
+  batch_size: "128" # for producer
+  linger_ms: "1" # for producer
+  partitions_consumed_concurrently: "1" # (EXPERIMENTAL) increase this value if you are planning to handle more than one partition (scale up, scale down) - this will decrease the latency
   requestTimeout: "30000" # The default value in kafkajs is: 30000
   compression: "gzip" # gzip or uncompressed
   topic_properties: "retention.ms:604800000;segment.bytes:26214400;retention.bytes:104857600;partitions:100;min.insync.replicas:1"
@@ -59,7 +63,8 @@ logger:
 
 script:
   use_sandbox: "true"
-  script_body_trace_frequency: "1000"
+  script_body_trace_frequency: "10000"
+  stat_print_frequency: "10000"
   max_active_scripts: "1000"
-  slow_query_log_ms: "1.000000" #millis
+  slow_query_log_ms: "5.000000" #millis
   slow_query_log_body: "false"

@@ -18,6 +18,7 @@
     "aws-sdk": "^2.741.0",
     "azure-sb": "^0.11.1",
     "config": "^3.3.1",
+    "express": "^4.17.1",
     "js-yaml": "^3.14.0",
     "kafkajs": "^1.15.0",
     "long": "^4.0.0",

@@ -23,8 +23,11 @@ const replicationFactor = Number(config.get('kafka.replication_factor'));
 const topicProperties = config.get('kafka.topic_properties');
 const kafkaClientId = config.get('kafka.client_id');
 const acks = Number(config.get('kafka.acks'));
+const maxBatchSize = Number(config.get('kafka.batch_size'));
+const linger = Number(config.get('kafka.linger_ms'));
 const requestTimeout = Number(config.get('kafka.requestTimeout'));
 const compressionType = (config.get('kafka.compression') === "gzip") ? CompressionTypes.GZIP : CompressionTypes.None;
+const partitionsConsumedConcurrently = Number(config.get('kafka.partitions_consumed_concurrently'));
 
 let kafkaClient;
 let kafkaAdmin;
@@ -33,22 +36,65 @@ let producer;
 
 const configEntries = [];
 
+let batchMessages = [];
+let sendLoopInstance;
+
 function KafkaProducer() {
     this.send = async (responseTopic, scriptId, rawResponse, headers) => {
-        return producer.send(
-            {
-                topic: responseTopic,
+        logger.debug('Pending queue response, scriptId: [%s]', scriptId);
+        const message = {
+            topic: responseTopic,
+            messages: [{
+                key: scriptId,
+                value: rawResponse,
+                headers: headers.data
+            }]
+        };
+
+        await pushMessageToSendLater(message);
+    }
+}
+
+async function pushMessageToSendLater(message) {
+    batchMessages.push(message);
+    if (batchMessages.length >= maxBatchSize) {
+        await sendMessagesAsBatch(true);
+    }
+}
+
+function sendLoopWithLinger() {
+    if (sendLoopInstance) {
+        clearTimeout(sendLoopInstance);
+    } else {
+        logger.debug("Starting new send loop with linger [%s]", linger)
+    }
+    sendLoopInstance = setTimeout(sendMessagesAsBatch, linger);
+}
+
+async function sendMessagesAsBatch(isImmediately) {
+    if (sendLoopInstance) {
+        logger.debug("sendMessagesAsBatch: Clear sendLoop scheduler. Starting new send loop with linger [%s]", linger);
+        clearTimeout(sendLoopInstance);
+    }
+    sendLoopInstance = null;
+    if (batchMessages.length > 0) {
+        logger.debug('sendMessagesAsBatch, length: [%s], %s', batchMessages.length, isImmediately ? 'immediately' : '');
+        const messagesToSend = batchMessages;
+        batchMessages = [];
+        try {
+            await producer.sendBatch({
+                topicMessages: messagesToSend,
                 acks: acks,
-                compression: compressionType,
-                messages: [
-                    {
-                        key: scriptId,
-                        value: rawResponse,
-                        headers: headers.data
-                    }
-                ]
-            });
+                compression: compressionType
+            })
+            logger.debug('Response batch sent to kafka, length: [%s]', messagesToSend.length);
+        } catch(err) {
+            logger.error('Failed batch send to kafka, length: [%s], pending to reprocess msgs', messagesToSend.length);
+            logger.error(err.stack);
+            batchMessages = messagesToSend.concat(batchMessages);
+        }
     }
+    sendLoopWithLinger();
 }
 
 (async () => {
@@ -64,8 +110,8 @@ function KafkaProducer() {
 
         let kafkaConfig = {
             brokers: kafkaBootstrapServers.split(','),
-                logLevel: logLevel.INFO,
-                logCreator: KafkaJsWinstonLogCreator
+            logLevel: logLevel.INFO,
+            logCreator: KafkaJsWinstonLogCreator
         };
 
         if (kafkaClientId) {
@@ -114,14 +160,45 @@ function KafkaProducer() {
 
         consumer = kafkaClient.consumer({groupId: 'js-executor-group'});
         producer = kafkaClient.producer();
+
+/*
+        //producer event instrumentation to debug
+        const { CONNECT } = producer.events;
+        const removeListenerC = producer.on(CONNECT, e => logger.info(`producer CONNECT`));
+        const { DISCONNECT } = producer.events;
+        const removeListenerD = producer.on(DISCONNECT, e => logger.info(`producer DISCONNECT`));
+        const { REQUEST } = producer.events;
+        const removeListenerR = producer.on(REQUEST, e => logger.info(`producer REQUEST ${e.payload.broker}`));
+        const { REQUEST_TIMEOUT } = producer.events;
+        const removeListenerRT = producer.on(REQUEST_TIMEOUT, e => logger.info(`producer REQUEST_TIMEOUT ${e.payload.broker}`));
+        const { REQUEST_QUEUE_SIZE } = producer.events;
+        const removeListenerRQS = producer.on(REQUEST_QUEUE_SIZE, e => logger.info(`producer REQUEST_QUEUE_SIZE ${e.payload.broker} size ${e.queueSize}`));
+*/
+
+/*
+        //consumer event instrumentation to debug
+        const removeListeners = {}
+        const { FETCH_START } = consumer.events;
+        removeListeners[FETCH_START] = consumer.on(FETCH_START, e => logger.info(`consumer FETCH_START`));
+        const { FETCH } = consumer.events;
+        removeListeners[FETCH] = consumer.on(FETCH, e => logger.info(`consumer FETCH numberOfBatches ${e.payload.numberOfBatches} duration ${e.payload.duration}`));
+        const { START_BATCH_PROCESS } = consumer.events;
+        removeListeners[START_BATCH_PROCESS] = consumer.on(START_BATCH_PROCESS, e => logger.info(`consumer START_BATCH_PROCESS topic ${e.payload.topic} batchSize ${e.payload.batchSize}`));
+        const { END_BATCH_PROCESS } = consumer.events;
+        removeListeners[END_BATCH_PROCESS] = consumer.on(END_BATCH_PROCESS, e => logger.info(`consumer END_BATCH_PROCESS topic ${e.payload.topic} batchSize ${e.payload.batchSize}`));
+        const { COMMIT_OFFSETS } = consumer.events;
+        removeListeners[COMMIT_OFFSETS] = consumer.on(COMMIT_OFFSETS, e => logger.info(`consumer COMMIT_OFFSETS topics ${e.payload.topics}`));
+*/
+
         const messageProcessor = new JsInvokeMessageProcessor(new KafkaProducer());
         await consumer.connect();
         await producer.connect();
+        sendLoopWithLinger();
         await consumer.subscribe({topic: requestTopic});
 
         logger.info('Started ThingsBoard JavaScript Executor Microservice.');
         await consumer.run({
-            //partitionsConsumedConcurrently: 1, // Default: 1
+            partitionsConsumedConcurrently: partitionsConsumedConcurrently,
             eachMessage: async ({topic, partition, message}) => {
                 let headers = message.headers;
                 let key = message.key;
@@ -197,6 +274,9 @@ async function disconnectProducer() {
         var _producer = producer;
         producer = null;
         try {
+            logger.info('Stopping loop...');
+            clearTimeout(sendLoopInstance);
+            await sendMessagesAsBatch();
             await _producer.disconnect();
             logger.info('Kafka Producer stopped.');
         } catch (e) {

@@ -51,3 +51,5 @@ switch (serviceType) {
         process.exit(-1);
 }
 
+require('./api/httpServer');
+

@@ -418,6 +418,14 @@ abort-controller@^3.0.0:
   dependencies:
     event-target-shim "^5.0.0"
 
+accepts@~1.3.7:
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
+  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+  dependencies:
+    mime-types "~2.1.24"
+    negotiator "0.6.2"
+
 agent-base@6:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.1.tgz#808007e4e5867decb0ab6ab2f928fbdb5a596db4"
@@ -487,6 +495,11 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
+
 array-union@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-2.1.0.tgz#b798420adbeb1de828d84acd8a2e23d3efe85e8d"
@@ -621,6 +634,22 @@ bluebird@^3.5.2:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
+body-parser@1.19.0:
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
+  integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
+  dependencies:
+    bytes "3.1.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.2"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    on-finished "~2.3.0"
+    qs "6.7.0"
+    raw-body "2.4.0"
+    type-is "~1.6.17"
+
 boxen@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/boxen/-/boxen-4.2.0.tgz#e411b62357d6d6d36587c8ac3d5d974daa070e64"
@@ -682,6 +711,11 @@ byline@^5.0.0:
   resolved "https://registry.yarnpkg.com/byline/-/byline-5.0.0.tgz#741c5216468eadc457b03410118ad77de8c1ddb1"
   integrity sha1-dBxSFkaOrcRXsDQQEYrXfejB3bE=
 
+bytes@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
+  integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+
 cacheable-request@^6.0.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-6.1.0.tgz#20ffb8bd162ba4be11e9567d823db651052ca912"
@@ -838,6 +872,28 @@ configstore@^5.0.1:
     write-file-atomic "^3.0.0"
     xdg-basedir "^4.0.0"
 
+content-disposition@0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
+  integrity sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
+  dependencies:
+    safe-buffer "5.1.2"
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
+
+cookie@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
+  integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -867,6 +923,13 @@ dateformat@1.0.2-1.2.3:
   dependencies:
     ms "^2.1.1"
 
+debug@2.6.9, debug@^2.2.0, debug@~2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
 debug@4, debug@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -874,13 +937,6 @@ debug@4, debug@^4.1.1:
   dependencies:
     ms "^2.1.1"
 
-debug@^2.2.0, debug@~2.6.9:
-  version "2.6.9"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
-  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
-  dependencies:
-    ms "2.0.0"
-
 decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -913,6 +969,16 @@ delayed-stream@~1.0.0:
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
 dir-glob@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
@@ -962,6 +1028,11 @@ ecdsa-sig-formatter@1.0.11, ecdsa-sig-formatter@^1.0.11:
   dependencies:
     safe-buffer "^5.0.1"
 
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -977,6 +1048,11 @@ enabled@2.0.x:
   resolved "https://registry.yarnpkg.com/enabled/-/enabled-2.0.0.tgz#f9dd92ec2d6f4bbc0d5d1e64e21d61cd4665e7c2"
   integrity sha512-AKrN98kuwOzMIdAizXGI86UFBoo26CL21UM763y1h/GMSJ4/OHU9k2YlsmBpyScFo/wbLzWQJBMCW4+IO3/+OQ==
 
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
@@ -994,6 +1070,11 @@ escape-goat@^2.0.0:
   resolved "https://registry.yarnpkg.com/escape-goat/-/escape-goat-2.1.1.tgz#1b2dc77003676c457ec760b2dc68edb648188675"
   integrity sha512-8/uIhbG12Csjy2JEW7D9pHbreaVaS/OpN3ycnyvElTdwM5n6GY6W6e2IPemfvGZeUMqZ9A/3GqIZMgKnBhAw/Q==
 
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
 escodegen@^1.14.1:
   version "1.14.3"
   resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.14.3.tgz#4e7b81fba61581dc97582ed78cab7f0e8d63f503"
@@ -1021,6 +1102,11 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
 event-target-shim@^5.0.0:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
@@ -1041,6 +1127,42 @@ expand-template@^2.0.3:
   resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-2.0.3.tgz#6e14b3fcee0f3a6340ecb57d2e8918692052a47c"
   integrity sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==
 
+express@^4.17.1:
+  version "4.17.1"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
+  integrity sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
+  dependencies:
+    accepts "~1.3.7"
+    array-flatten "1.1.1"
+    body-parser "1.19.0"
+    content-disposition "0.5.3"
+    content-type "~1.0.4"
+    cookie "0.4.0"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.2"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "~1.1.2"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.5"
+    qs "6.7.0"
+    range-parser "~1.2.1"
+    safe-buffer "5.1.2"
+    send "0.17.1"
+    serve-static "1.14.1"
+    setprototypeof "1.1.1"
+    statuses "~1.5.0"
+    type-is "~1.6.18"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
 extend@^3.0.2, extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
@@ -1119,6 +1241,19 @@ fill-range@^7.0.1:
   dependencies:
     to-regex-range "^5.0.1"
 
+finalhandler@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
+  integrity sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    statuses "~1.5.0"
+    unpipe "~1.0.0"
+
 find-up@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
@@ -1155,6 +1290,16 @@ form-data@~2.3.2:
     combined-stream "^1.0.6"
     mime-types "^2.1.12"
 
+forwarded@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
+  integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
 from2@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
@@ -1384,6 +1529,28 @@ http-cache-semantics@^4.0.0:
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz#49e91c5cbf36c9b94bcfcd71c23d5249ec74e390"
   integrity sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==
 
+http-errors@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
+  integrity sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
+http-errors@~1.7.2:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
+  integrity sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.4"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
 http-signature@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
@@ -1401,6 +1568,13 @@ https-proxy-agent@^5.0.0:
     agent-base "6"
     debug "4"
 
+iconv-lite@0.4.24:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
 ieee754@1.1.13, ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -1431,7 +1605,7 @@ inherits@2.0.3:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
-inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -1449,6 +1623,11 @@ into-stream@^5.1.1:
     from2 "^2.3.0"
     p-is-promise "^3.0.0"
 
+ipaddr.js@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
+
 is-arrayish@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.3.2.tgz#4574a2ae56f7ab206896fb431eaeed066fdf8f03"
@@ -1764,11 +1943,26 @@ make-dir@^3.0.0:
   dependencies:
     semver "^6.0.0"
 
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
+
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
+
 merge2@^1.3.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+
 micromatch@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
@@ -1782,6 +1976,11 @@ mime-db@1.44.0:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
   integrity sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==
 
+mime-db@1.48.0:
+  version "1.48.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.48.0.tgz#e35b31045dd7eada3aaad537ed88a33afbef2d1d"
+  integrity sha512-FM3QwxV+TnZYQ2aRqhlKBMHxk10lTbMt3bBkMAp54ddrNeVSfcQYOOKuGuy3Ddrm38I04If834fOUSq1yzslJQ==
+
 mime-types@^2.1.12, mime-types@~2.1.19:
   version "2.1.27"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
@@ -1789,6 +1988,18 @@ mime-types@^2.1.12, mime-types@~2.1.19:
   dependencies:
     mime-db "1.44.0"
 
+mime-types@~2.1.24:
+  version "2.1.31"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.31.tgz#a00d76b74317c61f9c2db2218b8e9f8e9c5c9e6b"
+  integrity sha512-XGZnNzm3QvgKxa8dpzyhFTHmpP3l5YNusmne07VUOXxou9CqUqYa/HBy124RqtVh/O2pECas/MOcsDgpilPOPg==
+  dependencies:
+    mime-db "1.48.0"
+
+mime@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
+
 mime@^2.2.0:
   version "2.4.6"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.6.tgz#e5b407c90db442f2beb5b162373d07b69affa4d1"
@@ -1833,6 +2044,11 @@ ms@2.0.0:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+ms@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
 ms@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
@@ -1846,6 +2062,11 @@ multistream@^2.1.1:
     inherits "^2.0.1"
     readable-stream "^2.0.5"
 
+negotiator@0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
+  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+
 node-fetch@^2.3.0, node-fetch@^2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
@@ -1899,6 +2120,13 @@ object-hash@^2.0.1:
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-2.0.3.tgz#d12db044e03cd2ca3d77c0570d87225b02e1e6ea"
   integrity sha512-JPKn0GMu+Fa3zt3Bmr66JhokJU5BaNBIh4ZeTlaCBzrBsOeXzwcKKAK1tbLiPKgvwmPXsDvvLHoWh5Bm7ofIYg==
 
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
 once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -1974,6 +2202,11 @@ package-json@^6.3.0:
     registry-url "^5.0.0"
     semver "^6.2.0"
 
+parseurl@~1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
+
 path-exists@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
@@ -1984,6 +2217,11 @@ path-parse@^1.0.6:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
   integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
+
 path-type@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
@@ -2079,6 +2317,14 @@ protobufjs@^6.8.6, protobufjs@^6.9.0:
     "@types/node" "^13.7.0"
     long "^4.0.0"
 
+proxy-addr@~2.0.5:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.7.tgz#f19fe69ceab311eeb94b42e70e8c2070f9ba1025"
+  integrity sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==
+  dependencies:
+    forwarded "0.2.0"
+    ipaddr.js "1.9.1"
+
 psl@^1.1.28, psl@^1.1.33:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
@@ -2114,6 +2360,11 @@ pupa@^2.0.1:
   dependencies:
     escape-goat "^2.0.0"
 
+qs@6.7.0:
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
+  integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
+
 qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
@@ -2129,6 +2380,21 @@ querystringify@^2.1.1:
   resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
   integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
+range-parser@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+
+raw-body@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
+  integrity sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==
+  dependencies:
+    bytes "3.1.0"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    unpipe "1.0.0"
+
 rc@^1.2.8:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
@@ -2292,17 +2558,17 @@ run-parallel@^1.1.9:
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.9.tgz#c9dd3a7cf9f4b2c4b6244e173a6ed866e61dd679"
   integrity sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==
 
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1, safe-buffer@~5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
-safe-buffer@~5.1.0, safe-buffer@~5.1.1, safe-buffer@~5.1.2:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
-  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
-
-safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
+"safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
@@ -2339,11 +2605,45 @@ semver@^7.1.3:
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.2.tgz#604962b052b81ed0786aae84389ffba70ffd3938"
   integrity sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==
 
+send@0.17.1:
+  version "0.17.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
+  integrity sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.7.2"
+    mime "1.6.0"
+    ms "2.1.1"
+    on-finished "~2.3.0"
+    range-parser "~1.2.1"
+    statuses "~1.5.0"
+
+serve-static@1.14.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
+  integrity sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.3"
+    send "0.17.1"
+
 set-blocking@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
+setprototypeof@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
+  integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
+
 signal-exit@^3.0.2:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
@@ -2391,6 +2691,11 @@ stack-trace@0.0.x:
   resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
   integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
 
+"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
 stream-browserify@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.2.tgz#87521d38a44aa7ee91ce1cd2a47df0cb49dd660b"
@@ -2513,6 +2818,11 @@ to-regex-range@^5.0.1:
   dependencies:
     is-number "^7.0.0"
 
+toidentifier@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
+  integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
+
 touch@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/touch/-/touch-3.1.0.tgz#fe365f5f75ec9ed4e56825e0bb76d24ab74af83b"
@@ -2581,6 +2891,14 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
+type-is@~1.6.17, type-is@~1.6.18:
+  version "1.6.18"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.24"
+
 typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
@@ -2636,6 +2954,11 @@ universalify@^1.0.0:
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-1.0.0.tgz#b61a1da173e8435b2fe3c67d29b9adf8594bd16d"
   integrity sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug==
 
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
 update-notifier@^4.0.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-4.1.1.tgz#895fc8562bbe666179500f9f2cebac4f26323746"
@@ -2705,6 +3028,11 @@ util@^0.11.1:
   dependencies:
     inherits "2.0.3"
 
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+
 uuid-parse@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/uuid-parse/-/uuid-parse-1.1.0.tgz#7061c5a1384ae0e1f943c538094597e1b5f3a65b"
@@ -2735,6 +3063,11 @@ validator@^9.4.1:
   resolved "https://registry.yarnpkg.com/validator/-/validator-9.4.1.tgz#abf466d398b561cd243050112c6ff1de6cc12663"
   integrity sha512-YV5KjzvRmSyJ1ee/Dm5UED0G+1L4GZnLN3w6/T+zZm8scVua4sOhYKWTUrKa0H/tMiJyO9QLHMPN+9mB/aMunA==
 
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"

@@ -1010,6 +1010,11 @@
                 </exclusions>
             </dependency>
             <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-core</artifactId>
+                <version>${spring.version}</version>
+            </dependency>
+            <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-web</artifactId>
                 <version>${spring-boot.version}</version>

@@ -104,6 +104,7 @@ import org.thingsboard.server.common.data.kv.TsKvEntry;
 import org.thingsboard.server.common.data.oauth2.OAuth2ClientInfo;
 import org.thingsboard.server.common.data.oauth2.OAuth2ClientRegistrationTemplate;
 import org.thingsboard.server.common.data.oauth2.OAuth2Info;
+import org.thingsboard.server.common.data.oauth2.PlatformType;
 import org.thingsboard.server.common.data.ota.ChecksumAlgorithm;
 import org.thingsboard.server.common.data.ota.OtaPackageType;
 import org.thingsboard.server.common.data.page.PageData;
@@ -1257,7 +1258,7 @@ public class RestClient implements ClientHttpRequestInterceptor, Closeable {
         params.put("deviceProfileId", deviceProfileId.getId().toString());
 
         return restTemplate.exchange(
-                baseURL + "/api/devices/count/{otaPackageType}?deviceProfileId={deviceProfileId}",
+                baseURL + "/api/devices/count/{otaPackageType}/{deviceProfileId}",
                 HttpMethod.GET,
                 HttpEntity.EMPTY,
                 new ParameterizedTypeReference<Long>() {
@@ -1772,7 +1773,7 @@ public class RestClient implements ClientHttpRequestInterceptor, Closeable {
                 }).getBody();
     }
 
-    public List<OAuth2ClientInfo> getOAuth2Clients(String pkgName) {
+    public List<OAuth2ClientInfo> getOAuth2Clients(String pkgName, PlatformType platformType) {
         Map<String, String> params = new HashMap<>();
         StringBuilder urlBuilder = new StringBuilder(baseURL);
         urlBuilder.append("/api/noauth/oauth2Clients");
@@ -1780,6 +1781,15 @@ public class RestClient implements ClientHttpRequestInterceptor, Closeable {
             urlBuilder.append("?pkgName={pkgName}");
             params.put("pkgName", pkgName);
         }
+        if (platformType != null) {
+            if (pkgName != null) {
+                urlBuilder.append("&");
+            } else {
+                urlBuilder.append("?");
+            }
+            urlBuilder.append("platform={platform}");
+            params.put("platform", platformType.name());
+        }
         return restTemplate.exchange(
                 urlBuilder.toString(),
                 HttpMethod.POST,

@@ -19,29 +19,22 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.msg.TbMsg;
 
-import javax.script.ScriptException;
 import java.util.List;
 import java.util.Set;
 
 public interface ScriptEngine {
 
-    List<TbMsg> executeUpdate(TbMsg msg) throws ScriptException;
-
     ListenableFuture<List<TbMsg>> executeUpdateAsync(TbMsg msg);
 
-    TbMsg executeGenerate(TbMsg prevMsg) throws ScriptException;
-
-    boolean executeFilter(TbMsg msg) throws ScriptException;
+    ListenableFuture<TbMsg> executeGenerateAsync(TbMsg prevMsg);
 
     ListenableFuture<Boolean> executeFilterAsync(TbMsg msg);
 
-    Set<String> executeSwitch(TbMsg msg) throws ScriptException;
-
-    JsonNode executeJson(TbMsg msg) throws ScriptException;
+    ListenableFuture<Set<String>> executeSwitchAsync(TbMsg msg);
 
-    ListenableFuture<JsonNode> executeJsonAsync(TbMsg msg) throws ScriptException;
+    ListenableFuture<JsonNode> executeJsonAsync(TbMsg msg);
 
-    String executeToString(TbMsg msg) throws ScriptException;
+    ListenableFuture<String> executeToStringAsync(TbMsg msg);
 
     void destroy();
 

@@ -214,6 +214,10 @@ public interface TbContext {
 
     EdgeEventService getEdgeEventService();
 
+    /**
+     * Js script executors call are completely asynchronous
+     * */
+    @Deprecated
     ListeningExecutor getJsExecutor();
 
     ListeningExecutor getMailExecutor();

@@ -15,8 +15,11 @@
  */
 package org.thingsboard.rule.engine.action;
 
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
-import org.thingsboard.common.util.ListeningExecutor;
+import org.checkerframework.checker.nullness.qual.Nullable;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.ScriptEngine;
 import org.thingsboard.rule.engine.api.TbContext;
@@ -55,18 +58,21 @@ public class TbLogNode implements TbNode {
 
     @Override
     public void onMsg(TbContext ctx, TbMsg msg) {
-        ListeningExecutor jsExecutor = ctx.getJsExecutor();
         ctx.logJsEvalRequest();
-        withCallback(jsExecutor.executeAsync(() -> jsEngine.executeToString(msg)),
-                toString -> {
-                    ctx.logJsEvalResponse();
-                    log.info(toString);
-                    ctx.tellSuccess(msg);
-                },
-                t -> {
-                    ctx.logJsEvalResponse();
-                    ctx.tellFailure(msg, t);
-                });
+        Futures.addCallback(jsEngine.executeToStringAsync(msg), new FutureCallback<String>() {
+            @Override
+            public void onSuccess(@Nullable String result) {
+                ctx.logJsEvalResponse();
+                log.info(result);
+                ctx.tellSuccess(msg);
+            }
+
+            @Override
+            public void onFailure(Throwable t) {
+                ctx.logJsEvalResponse();
+                ctx.tellFailure(msg, t);
+            }
+        }, MoreExecutors.directExecutor()); //usually js responses runs on js callback executor
     }
 
     @Override

@@ -15,9 +15,12 @@
  */
 package org.thingsboard.rule.engine.debug;
 
+import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.util.StringUtils;
+import org.thingsboard.common.util.TbStopWatch;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.ScriptEngine;
 import org.thingsboard.rule.engine.api.TbContext;
@@ -35,6 +38,7 @@ import org.thingsboard.server.common.msg.queue.ServiceQueue;
 
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import static org.thingsboard.common.util.DonAsynchron.withCallback;
 import static org.thingsboard.rule.engine.api.TbRelationTypes.SUCCESS;
@@ -64,10 +68,11 @@ public class TbMsgGeneratorNode implements TbNode {
     private EntityId originatorId;
     private UUID nextTickId;
     private TbMsg prevMsg;
-    private volatile boolean initialized;
+    private final AtomicBoolean initialized = new AtomicBoolean(false);
 
     @Override
     public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
+        log.trace("init generator with config {}", configuration);
         this.config = TbNodeUtils.convert(configuration, TbMsgGeneratorNodeConfiguration.class);
         this.delay = TimeUnit.SECONDS.toMillis(config.getPeriodInSeconds());
         this.currentMsgCount = 0;
@@ -81,35 +86,39 @@ public class TbMsgGeneratorNode implements TbNode {
 
     @Override
     public void onPartitionChangeMsg(TbContext ctx, PartitionChangeMsg msg) {
+        log.trace("onPartitionChangeMsg, PartitionChangeMsg {}, config {}", msg, config);
         updateGeneratorState(ctx);
     }
 
     private void updateGeneratorState(TbContext ctx) {
+        log.trace("updateGeneratorState, config {}", config);
         if (ctx.isLocalEntity(originatorId)) {
-            if (!initialized) {
-                initialized = true;
+            if (initialized.compareAndSet(false, true)) {
                 this.jsEngine = ctx.createJsScriptEngine(config.getJsScript(), "prevMsg", "prevMetadata", "prevMsgType");
                 scheduleTickMsg(ctx);
             }
-        } else if (initialized) {
-            initialized = false;
+        } else if (initialized.compareAndSet(true, false)) {
             destroy();
         }
     }
 
     @Override
     public void onMsg(TbContext ctx, TbMsg msg) {
-        if (initialized && msg.getType().equals(TB_MSG_GENERATOR_NODE_MSG) && msg.getId().equals(nextTickId)) {
+        log.trace("onMsg, config {}, msg {}", config, msg);
+        if (initialized.get() && msg.getType().equals(TB_MSG_GENERATOR_NODE_MSG) && msg.getId().equals(nextTickId)) {
+            TbStopWatch sw = TbStopWatch.startNew();
             withCallback(generate(ctx, msg),
                     m -> {
-                        if (initialized && (config.getMsgCount() == TbMsgGeneratorNodeConfiguration.UNLIMITED_MSG_COUNT || currentMsgCount < config.getMsgCount())) {
+                        log.trace("onMsg onSuccess callback, took {}ms, config {}, msg {}", sw.stopAndGetTotalTimeMillis(), config, msg);
+                        if (initialized.get() && (config.getMsgCount() == TbMsgGeneratorNodeConfiguration.UNLIMITED_MSG_COUNT || currentMsgCount < config.getMsgCount())) {
                             ctx.enqueueForTellNext(m, SUCCESS);
                             scheduleTickMsg(ctx);
                             currentMsgCount++;
                         }
                     },
                     t -> {
-                        if (initialized && (config.getMsgCount() == TbMsgGeneratorNodeConfiguration.UNLIMITED_MSG_COUNT || currentMsgCount < config.getMsgCount())) {
+                        log.warn("onMsg onFailure callback, took {}ms, config {}, msg {}, exception {}", sw.stopAndGetTotalTimeMillis(), config, msg, t);
+                        if (initialized.get() && (config.getMsgCount() == TbMsgGeneratorNodeConfiguration.UNLIMITED_MSG_COUNT || currentMsgCount < config.getMsgCount())) {
                             ctx.tellFailure(msg, t);
                             scheduleTickMsg(ctx);
                             currentMsgCount++;
@@ -119,6 +128,7 @@ public class TbMsgGeneratorNode implements TbNode {
     }
 
     private void scheduleTickMsg(TbContext ctx) {
+        log.trace("scheduleTickMsg, config {}", config);
         long curTs = System.currentTimeMillis();
         if (lastScheduledTs == 0L) {
             lastScheduledTs = curTs;
@@ -131,22 +141,26 @@ public class TbMsgGeneratorNode implements TbNode {
     }
 
     private ListenableFuture<TbMsg> generate(TbContext ctx, TbMsg msg) {
-        return ctx.getJsExecutor().executeAsync(() -> {
-            if (prevMsg == null) {
-                prevMsg = ctx.newMsg(ServiceQueue.MAIN, "", originatorId, msg.getCustomerId(), new TbMsgMetaData(), "{}");
-            }
-            if (initialized) {
-                ctx.logJsEvalRequest();
-                TbMsg generated = jsEngine.executeGenerate(prevMsg);
+        log.trace("generate, config {}", config);
+        if (prevMsg == null) {
+            prevMsg = ctx.newMsg(ServiceQueue.MAIN, "", originatorId, msg.getCustomerId(), new TbMsgMetaData(), "{}");
+        }
+        if (initialized.get()) {
+            ctx.logJsEvalRequest();
+            return Futures.transformAsync(jsEngine.executeGenerateAsync(prevMsg), generated -> {
+                log.trace("generate process response, generated {}, config {}", generated, config);
                 ctx.logJsEvalResponse();
                 prevMsg = ctx.newMsg(ServiceQueue.MAIN, generated.getType(), originatorId, msg.getCustomerId(), generated.getMetaData(), generated.getData());
-            }
-            return prevMsg;
-        });
+                return Futures.immediateFuture(prevMsg);
+            }, MoreExecutors.directExecutor()); //usually it runs on js-executor-remote-callback thread pool
+        }
+        return Futures.immediateFuture(prevMsg);
+
     }
 
     @Override
     public void destroy() {
+        log.trace("destroy, config {}", config);
         prevMsg = null;
         if (jsEngine != null) {
             jsEngine.destroy();

@@ -15,7 +15,11 @@
  */
 package org.thingsboard.rule.engine.filter;
 
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
+import org.checkerframework.checker.nullness.qual.Nullable;
 import org.thingsboard.common.util.ListeningExecutor;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.ScriptEngine;
@@ -29,8 +33,6 @@ import org.thingsboard.server.common.msg.TbMsg;
 
 import java.util.Set;
 
-import static org.thingsboard.common.util.DonAsynchron.withCallback;
-
 @Slf4j
 @RuleNode(
         type = ComponentType.FILTER,
@@ -58,17 +60,20 @@ public class TbJsSwitchNode implements TbNode {
 
     @Override
     public void onMsg(TbContext ctx, TbMsg msg) {
-        ListeningExecutor jsExecutor = ctx.getJsExecutor();
         ctx.logJsEvalRequest();
-        withCallback(jsExecutor.executeAsync(() -> jsEngine.executeSwitch(msg)),
-                result -> {
-                    ctx.logJsEvalResponse();
-                    processSwitch(ctx, msg, result);
-                },
-                t -> {
-                    ctx.logJsEvalFailure();
-                    ctx.tellFailure(msg, t);
-                }, ctx.getDbCallbackExecutor());
+        Futures.addCallback(jsEngine.executeSwitchAsync(msg), new FutureCallback<Set<String>>() {
+            @Override
+            public void onSuccess(@Nullable Set<String> result) {
+                ctx.logJsEvalResponse();
+                processSwitch(ctx, msg, result);
+            }
+
+            @Override
+            public void onFailure(Throwable t) {
+                ctx.logJsEvalFailure();
+                ctx.tellFailure(msg, t);
+            }
+        }, MoreExecutors.directExecutor()); //usually runs in a callbackExecutor
     }
 
     private void processSwitch(TbContext ctx, TbMsg msg, Set<String> nextRelations) {

@@ -64,7 +64,7 @@ public class TbJsSwitchNodeTest {
     private RuleNodeId ruleNodeId = new RuleNodeId(Uuids.timeBased());
 
     @Test
-    public void multipleRoutesAreAllowed() throws TbNodeException, ScriptException {
+    public void multipleRoutesAreAllowed() throws TbNodeException {
         initWithScript();
         TbMsgMetaData metaData = new TbMsgMetaData();
         metaData.putValue("temp", "10");
@@ -72,11 +72,9 @@ public class TbJsSwitchNodeTest {
         String rawJson = "{\"name\": \"Vit\", \"passed\": 5}";
 
         TbMsg msg = TbMsg.newMsg( "USER", null, metaData, TbMsgDataType.JSON, rawJson, ruleChainId, ruleNodeId);
-        mockJsExecutor();
-        when(scriptEngine.executeSwitch(msg)).thenReturn(Sets.newHashSet("one", "three"));
+        when(scriptEngine.executeSwitchAsync(msg)).thenReturn(Futures.immediateFuture(Sets.newHashSet("one", "three")));
 
         node.onMsg(ctx, msg);
-        verify(ctx).getJsExecutor();
         verify(ctx).tellNext(msg, Sets.newHashSet("one", "three"));
     }
 
@@ -92,19 +90,6 @@ public class TbJsSwitchNodeTest {
         node.init(ctx, nodeConfiguration);
     }
 
-    @SuppressWarnings("unchecked")
-    private void mockJsExecutor() {
-        when(ctx.getJsExecutor()).thenReturn(executor);
-        doAnswer((Answer<ListenableFuture<Set<String>>>) invocationOnMock -> {
-            try {
-                Callable task = (Callable) (invocationOnMock.getArguments())[0];
-                return Futures.immediateFuture((Set<String>) task.call());
-            } catch (Throwable th) {
-                return Futures.immediateFailedFuture(th);
-            }
-        }).when(executor).executeAsync(ArgumentMatchers.any(Callable.class));
-    }
-
     private void verifyError(TbMsg msg, String message, Class expectedClass) {
         ArgumentCaptor<Throwable> captor = ArgumentCaptor.forClass(Throwable.class);
         verify(ctx).tellFailure(same(msg), captor.capture());

@@ -133,7 +133,7 @@ export class OtaPackageService {
   }
 
   public countUpdateDeviceAfterChangePackage(type: OtaUpdateType, entityId: EntityId, config?: RequestConfig): Observable<number> {
-    return this.http.get<number>(`/api/devices/count/${type}?deviceProfileId=${entityId.id}`, defaultHttpOptionsFromConfig(config));
+    return this.http.get<number>(`/api/devices/count/${type}/${entityId.id}`, defaultHttpOptionsFromConfig(config));
   }
 
   public confirmDialogUpdatePackage(entity: BaseData<EntityId>&OtaPagesIds,

@@ -293,24 +293,24 @@ export class MenuService {
       sections.push(
         {
           id: guid(),
+          name: 'edge.edge-instances',
+          type: 'link',
+          path: '/edgeInstances',
+          icon: 'router'
+        },
+        {
+          id: guid(),
           name: 'edge.management',
           type: 'toggle',
-          path: '/edges',
-          height: '80px',
-          icon: 'router',
+          path: '/edgeManagement',
+          height: '40px',
+          icon: 'settings_input_antenna',
           pages: [
             {
               id: guid(),
-              name: 'edge.edge-instances',
-              type: 'link',
-              path: '/edges',
-              icon: 'router'
-            },
-            {
-              id: guid(),
               name: 'edge.rulechain-templates',
               type: 'link',
-              path: '/edges/ruleChains',
+              path: '/edgeManagement/ruleChains',
               icon: 'settings_ethernet'
             }
           ]
@@ -448,12 +448,12 @@ export class MenuService {
             {
               name: 'edge.edge-instances',
               icon: 'router',
-              path: '/edges'
+              path: '/edgeInstances'
             },
             {
               name: 'edge.rulechain-templates',
               icon: 'settings_ethernet',
-              path: '/edges/ruleChains'
+              path: '/edgeManagement/ruleChains'
             }
           ]
         }
@@ -548,7 +548,7 @@ export class MenuService {
           id: guid(),
           name: 'edge.edge-instances',
           type: 'link',
-          path: '/edges',
+          path: '/edgeInstances',
           icon: 'router'
         }
       );
@@ -606,8 +606,8 @@ export class MenuService {
           places: [
             {
               name: 'edge.edge-instances',
-              icon: 'router',
-              path: '/edges'
+              icon: 'settings_input_antenna',
+              path: '/edgeInstances'
             }
           ]
         }

@@ -128,6 +128,7 @@ import {
   DashboardImageDialogComponent,
   DashboardImageDialogData, DashboardImageDialogResult
 } from '@home/components/dashboard-page/dashboard-image-dialog.component';
+import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
 
 // @dynamic
 @Component({
@@ -211,7 +212,8 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
 
   addingLayoutCtx: DashboardPageLayoutContext;
 
-  logo = 'assets/logo_title_white.svg';
+  private dashboardLogoCache: SafeUrl;
+  private defaultDashboardLogo = 'assets/logo_title_white.svg';
 
   dashboardCtx: DashboardContext = {
     instanceId: this.utils.guid(),
@@ -312,7 +314,8 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
               private ngZone: NgZone,
               private overlay: Overlay,
               private viewContainerRef: ViewContainerRef,
-              private cd: ChangeDetectorRef) {
+              private cd: ChangeDetectorRef,
+              private sanitizer: DomSanitizer) {
     super(store);
 
   }
@@ -413,6 +416,7 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
   private reset() {
     this.dashboard = null;
     this.dashboardConfiguration = null;
+    this.dashboardLogoCache = undefined;
     this.prevDashboard = null;
 
     this.widgetEditMode = false;
@@ -570,8 +574,12 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
     }
   }
 
-  public get dashboardLogo(): string {
-    return this.dashboard.configuration.settings.dashboardLogoUrl || this.logo;
+  public get dashboardLogo(): SafeUrl {
+    if (!this.dashboardLogoCache) {
+      const logo = this.dashboard.configuration.settings.dashboardLogoUrl || this.defaultDashboardLogo;
+      this.dashboardLogoCache = this.sanitizer.bypassSecurityTrustUrl(logo);
+    }
+    return this.dashboardLogoCache;
   }
 
   public showRightLayoutSwitch(): boolean {
@@ -702,6 +710,7 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
     }).afterClosed().subscribe((data) => {
       if (data) {
         this.dashboard.configuration.settings = data.settings;
+        this.dashboardLogoCache = undefined;
         const newGridSettings = data.gridSettings;
         if (newGridSettings) {
           const layout = this.dashboard.configuration.states[layoutKeys.state].layouts[layoutKeys.layout];
@@ -855,11 +864,13 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
       if (this.widgetEditMode) {
         if (revert) {
           this.dashboard = this.prevDashboard;
+          this.dashboardLogoCache = undefined;
         }
       } else {
         this.resetHighlight();
         if (revert) {
           this.dashboard = this.prevDashboard;
+          this.dashboardLogoCache = undefined;
           this.dashboardConfiguration = this.dashboard.configuration;
           this.dashboardCtx.dashboardTimewindow = this.dashboardConfiguration.timewindow;
           this.entityAliasesUpdated();

@@ -99,7 +99,6 @@ import { DeviceProfileDialogComponent } from '@home/components/profile/device-pr
 import { DeviceProfileAutocompleteComponent } from '@home/components/profile/device-profile-autocomplete.component';
 import { MqttDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/mqtt-device-profile-transport-configuration.component';
 import { CoapDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/coap-device-profile-transport-configuration.component';
-import { SnmpDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/snmp-device-profile-transport-configuration.component';
 import { DeviceProfileAlarmsComponent } from '@home/components/profile/alarm/device-profile-alarms.component';
 import { DeviceProfileAlarmComponent } from '@home/components/profile/alarm/device-profile-alarm.component';
 import { CreateAlarmRulesComponent } from '@home/components/profile/alarm/create-alarm-rules.component';
@@ -143,6 +142,7 @@ import { SecurityConfigLwm2mComponent } from '@home/components/device/security-c
 import { SecurityConfigLwm2mServerComponent } from '@home/components/device/security-config-lwm2m-server.component';
 import { DashboardImageDialogComponent } from '@home/components/dashboard-page/dashboard-image-dialog.component';
 import { WidgetContainerComponent } from '@home/components/widget/widget-container.component';
+import { SnmpDeviceProfileTransportModule } from '@home/components/profile/device/snpm/snmp-device-profile-transport.module';
 
 @NgModule({
   declarations:
@@ -228,7 +228,6 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
       DefaultDeviceProfileTransportConfigurationComponent,
       MqttDeviceProfileTransportConfigurationComponent,
       CoapDeviceProfileTransportConfigurationComponent,
-      SnmpDeviceProfileTransportConfigurationComponent,
       DeviceProfileTransportConfigurationComponent,
       CreateAlarmRulesComponent,
       AlarmRuleComponent,
@@ -272,6 +271,7 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
     SharedModule,
     SharedHomeComponentsModule,
     Lwm2mProfileComponentsModule,
+    SnmpDeviceProfileTransportModule,
     StatesControllerModule
   ],
   exports: [
@@ -339,7 +339,6 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
     DefaultDeviceProfileTransportConfigurationComponent,
     MqttDeviceProfileTransportConfigurationComponent,
     CoapDeviceProfileTransportConfigurationComponent,
-    SnmpDeviceProfileTransportConfigurationComponent,
     DeviceProfileTransportConfigurationComponent,
     CreateAlarmRulesComponent,
     AlarmRuleComponent,

@@ -89,7 +89,9 @@ export class DeviceProfileTransportConfigurationComponent implements ControlValu
     if (configuration) {
       delete configuration.type;
     }
-    this.deviceProfileTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    setTimeout(() => {
+      this.deviceProfileTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    });
   }
 
   private updateModel() {

-<!--
-
-    Copyright © 2016-2021 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.
-
--->
-<form [formGroup]="snmpDeviceProfileTransportConfigurationFormGroup" style="padding-bottom: 16px;">
-    <tb-json-object-edit
-      required
-      formControlName="configuration">
-    </tb-json-object-edit>
-</form>

+<!--
+
+    Copyright © 2016-2021 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.
+
+-->
+<div fxLayout="column">
+  <div *ngFor="let deviceProfileCommunication of communicationConfigFormArray().controls; let $index = index;
+               last as isLast;" fxLayout="row" fxLayoutAlign="start center"
+       fxLayoutGap="8px" class="scope-row" [formGroup]="deviceProfileCommunication">
+    <div class="communication-config" fxFlex fxLayout="row" fxLayoutGap="8px" fxLayoutAlign="start">
+      <mat-form-field class="spec mat-block" floatLabel="always" hideRequiredMarker>
+        <mat-label translate>device-profile.snmp.scope</mat-label>
+        <mat-select formControlName="spec" required>
+          <mat-option *ngFor="let snmpSpecType of snmpSpecTypes" [value]="snmpSpecType"
+                      [disabled]="isDisabledSeverity(snmpSpecType, $index)">
+            {{ snmpSpecTypeTranslationMap.get(snmpSpecType) }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="deviceProfileCommunication.get('spec').hasError('required')">
+          {{ 'device-profile.snmp.scope-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-divider vertical></mat-divider>
+      <section fxFlex fxLayout="column">
+        <mat-form-field *ngIf="isShowFrequency(deviceProfileCommunication.get('spec').value)">
+          <mat-label translate>device-profile.snmp.querying-frequency</mat-label>
+          <input matInput formControlName="queryingFrequencyMs" type="number" min="0" required/>
+          <mat-error *ngIf="deviceProfileCommunication.get('queryingFrequencyMs').hasError('required')">
+            {{ 'device-profile.snmp.querying-frequency-required' | translate }}
+          </mat-error>
+          <mat-error *ngIf="deviceProfileCommunication.get('queryingFrequencyMs').hasError('pattern') ||
+    deviceProfileCommunication.get('queryingFrequencyMs').hasError('min')">
+            {{ 'device-profile.snmp.querying-frequency-invalid-format' | translate }}
+          </mat-error>
+        </mat-form-field>
+        <tb-snmp-device-profile-mapping formControlName="mappings">
+        </tb-snmp-device-profile-mapping>
+      </section>
+    </div>
+    <button *ngIf="!disabled"
+            mat-icon-button color="primary" style="min-width: 40px;"
+            type="button"
+            (click)="removeCommunicationConfig($index)"
+            matTooltip="{{ 'action.remove' | translate }}"
+            matTooltipPosition="above">
+      <mat-icon>remove_circle_outline</mat-icon>
+    </button>
+  </div>
+  <div *ngIf="!communicationConfigFormArray().controls.length && !disabled">
+      <span fxLayoutAlign="center center" class="tb-prompt required required-text" translate>device-profile.snmp.please-add-communication-config</span>
+  </div>
+  <div *ngIf="!disabled && isAddEnabled">
+    <button mat-stroked-button color="primary"
+            type="button"
+            (click)="addCommunicationConfig()">
+      <mat-icon class="button-icon">add_circle_outline</mat-icon>
+      {{ 'device-profile.snmp.add-communication-config' | translate }}
+    </button>
+  </div>
+</div>

+/**
+ * Copyright © 2016-2021 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.
+ */
+:host {
+  .communication-config {
+    border: 2px groove rgba(0, 0, 0, 0.25);
+    border-radius: 4px;
+    padding: 8px;
+    min-width: 0;
+  }
+
+  .scope-row {
+    padding-bottom: 8px;
+  }
+
+  .required-text {
+    margin: 16px 0
+  }
+}
+
+:host ::ng-deep {
+  .mat-form-field.spec {
+    .mat-form-field-infix {
+      width: 160px;
+    }
+  }
+  .button-icon{
+    font-size: 20px;
+    width: 20px;
+    height: 20px;
+  }
+}

+///
+/// Copyright © 2016-2021 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.
+///
+
+import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
+import {
+  AbstractControl,
+  ControlValueAccessor,
+  FormArray,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  Validator,
+  Validators
+} from '@angular/forms';
+import { SnmpCommunicationConfig, SnmpSpecType, SnmpSpecTypeTranslationMap } from '@shared/models/device.models';
+import { Subject, Subscription } from 'rxjs';
+import { isUndefinedOrNull } from '@core/utils';
+import { takeUntil } from 'rxjs/operators';
+
+@Component({
+  selector: 'tb-snmp-device-profile-communication-config',
+  templateUrl: './snmp-device-profile-communication-config.component.html',
+  styleUrls: ['./snmp-device-profile-communication-config.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileCommunicationConfigComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileCommunicationConfigComponent),
+      multi: true
+    }]
+})
+export class SnmpDeviceProfileCommunicationConfigComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
+
+  snmpSpecTypes = Object.values(SnmpSpecType);
+  snmpSpecTypeTranslationMap = SnmpSpecTypeTranslationMap;
+
+  deviceProfileCommunicationConfig: FormGroup;
+
+  @Input()
+  disabled: boolean;
+
+  private usedSpecType: SnmpSpecType[] = [];
+  private valueChange$: Subscription = null;
+  private destroy$ = new Subject();
+  private propagateChange = (v: any) => { };
+
+  constructor(private fb: FormBuilder) { }
+
+  ngOnInit(): void {
+    this.deviceProfileCommunicationConfig = this.fb.group({
+      communicationConfig: this.fb.array([])
+    });
+  }
+
+  ngOnDestroy() {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    this.destroy$.next();
+    this.destroy$.complete();
+  }
+
+  communicationConfigFormArray(): FormArray {
+    return this.deviceProfileCommunicationConfig.get('communicationConfig') as FormArray;
+  }
+
+  registerOnChange(fn: any): void {
+    this.propagateChange = fn;
+  }
+
+  registerOnTouched(fn: any): void {
+  }
+
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.deviceProfileCommunicationConfig.disable({emitEvent: false});
+    } else {
+      this.deviceProfileCommunicationConfig.enable({emitEvent: false});
+    }
+  }
+
+  writeValue(communicationConfig: SnmpCommunicationConfig[]) {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    const communicationConfigControl: Array<AbstractControl> = [];
+    if (communicationConfig) {
+      communicationConfig.forEach((config) => {
+        communicationConfigControl.push(this.createdFormGroup(config));
+      });
+    }
+    this.deviceProfileCommunicationConfig.setControl('communicationConfig', this.fb.array(communicationConfigControl));
+    if (!communicationConfig || !communicationConfig.length) {
+      this.addCommunicationConfig();
+    }
+    if (this.disabled) {
+      this.deviceProfileCommunicationConfig.disable({emitEvent: false});
+    } else {
+      this.deviceProfileCommunicationConfig.enable({emitEvent: false});
+    }
+    this.valueChange$ = this.deviceProfileCommunicationConfig.valueChanges.subscribe(() => {
+      this.updateModel();
+    });
+    this.updateUsedSpecType();
+    if (!this.disabled && !this.deviceProfileCommunicationConfig.valid) {
+      this.updateModel();
+    }
+  }
+
+  public validate() {
+    return this.deviceProfileCommunicationConfig.valid && this.deviceProfileCommunicationConfig.value.communicationConfig.length ? null : {
+      communicationConfig: false
+    };
+  }
+
+  public removeCommunicationConfig(index: number) {
+    this.communicationConfigFormArray().removeAt(index);
+  }
+
+
+  get isAddEnabled(): boolean {
+    return this.communicationConfigFormArray().length !== Object.keys(SnmpSpecType).length;
+  }
+
+  public addCommunicationConfig() {
+    this.communicationConfigFormArray().push(this.createdFormGroup());
+    this.deviceProfileCommunicationConfig.updateValueAndValidity();
+    if (!this.deviceProfileCommunicationConfig.valid) {
+      this.updateModel();
+    }
+  }
+
+  private getFirstUnusedSeverity(): SnmpSpecType {
+    for (const type of Object.values(SnmpSpecType)) {
+      if (this.usedSpecType.indexOf(type) === -1) {
+        return type;
+      }
+    }
+    return null;
+  }
+
+  public isDisabledSeverity(type: SnmpSpecType, index: number): boolean {
+    const usedIndex = this.usedSpecType.indexOf(type);
+    return usedIndex > -1 && usedIndex !== index;
+  }
+
+  public isShowFrequency(type: SnmpSpecType): boolean {
+    return type === SnmpSpecType.TELEMETRY_QUERYING || type === SnmpSpecType.CLIENT_ATTRIBUTES_QUERYING;
+  }
+
+  private updateUsedSpecType() {
+    this.usedSpecType = [];
+    const value: SnmpCommunicationConfig[] = this.deviceProfileCommunicationConfig.get('communicationConfig').value;
+    value.forEach((rule, index) => {
+      this.usedSpecType[index] = rule.spec;
+    });
+  }
+
+  private createdFormGroup(value?: SnmpCommunicationConfig): FormGroup {
+    if (isUndefinedOrNull(value)) {
+      value = {
+        spec: this.getFirstUnusedSeverity(),
+        queryingFrequencyMs: 5000,
+        mappings: null
+      };
+    }
+    const form = this.fb.group({
+      spec: [value.spec, Validators.required],
+      mappings: [value.mappings]
+    });
+    if (this.isShowFrequency(value.spec)) {
+      form.addControl('queryingFrequencyMs',
+        this.fb.control(value.queryingFrequencyMs, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]));
+    }
+    form.get('spec').valueChanges.pipe(
+      takeUntil(this.destroy$)
+    ).subscribe(spec => {
+      if (this.isShowFrequency(spec)) {
+        form.addControl('queryingFrequencyMs',
+          this.fb.control(5000, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]));
+      } else {
+        form.removeControl('queryingFrequencyMs');
+      }
+    });
+    return form;
+  }
+
+  private updateModel() {
+    const value: SnmpCommunicationConfig[] = this.deviceProfileCommunicationConfig.get('communicationConfig').value;
+    value.forEach(config => {
+      if (!this.isShowFrequency(config.spec)) {
+        delete config.queryingFrequencyMs;
+      }
+    });
+    this.updateUsedSpecType();
+    this.propagateChange(value);
+  }
+
+}

+<!--
+
+    Copyright © 2016-2021 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.
+
+-->
+<div fxFlex fxLayout="column" class="mapping-config">
+  <div fxLayout="row" fxLayoutAlign="start center" fxLayoutGap="8px" fxFlex="100">
+    <div fxFlex fxLayout="row" fxLayoutGap="8px">
+      <label fxFlex="26" class="tb-title no-padding" translate>device-profile.snmp.data-type</label>
+      <label fxFlex="37" class="tb-title no-padding" translate>device-profile.snmp.data-key</label>
+      <label fxFlex="37" class="tb-title no-padding" translate>device-profile.snmp.oid</label>
+      <span style="min-width: 40px" [fxShow]="!disabled"></span>
+    </div>
+  </div>
+  <mat-divider></mat-divider>
+  <div *ngFor="let mappingConfig of mappingsConfigFormArray().controls; let $index = index;
+               last as isLast;" fxLayout="row" fxLayoutAlign="start center"
+       fxLayoutGap="8px" [formGroup]="mappingConfig" class="mapping-list">
+    <div fxFlex fxLayout="row" fxLayoutGap="8px" fxLayoutAlign="start">
+      <mat-form-field fxFlex="26" floatLabel="always" hideRequiredMarker>
+        <mat-label></mat-label>
+        <mat-select formControlName="dataType" required>
+          <mat-option *ngFor="let dataType of dataTypes" [value]="dataType">
+            {{ dataTypesTranslationMap.get(dataType) | translate }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="mappingConfig.get('dataType').hasError('required')">
+          {{ 'device-profile.snmp.data-type-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field floatLabel="always" hideRequiredMarker fxFlex="37">
+        <mat-label></mat-label>
+        <input matInput formControlName="key" required/>
+        <mat-error *ngIf="mappingConfig.get('key').hasError('required')">
+          {{ 'device-profile.snmp.data-key-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field floatLabel="always" hideRequiredMarker fxFlex="37">
+        <mat-label></mat-label>
+        <input matInput formControlName="oid" required/>
+        <mat-error *ngIf="mappingConfig.get('oid').hasError('required')">
+          {{ 'device-profile.snmp.oid-required' | translate }}
+        </mat-error>
+        <mat-error *ngIf="mappingConfig.get('oid').hasError('pattern')">
+          {{ 'device-profile.snmp.oid-pattern' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <button *ngIf="!disabled"
+              mat-icon-button color="primary"
+              type="button"
+              (click)="removeMappingConfig($index)"
+              matTooltip="{{ 'action.remove' | translate }}"
+              matTooltipPosition="above">
+        <mat-icon>close</mat-icon>
+      </button>
+    </div>
+  </div>
+  <div *ngIf="!mappingsConfigFormArray().controls.length && !disabled">
+      <span fxLayoutAlign="center center" class="tb-prompt required required-text" translate>device-profile.snmp.please-add-mapping-config</span>
+  </div>
+  <div *ngIf="!disabled">
+    <button mat-stroked-button color="primary"
+            type="button"
+            (click)="addMappingConfig()">
+      <mat-icon class="button-icon">add_circle_outline</mat-icon>
+      {{ 'device-profile.snmp.add-mapping' | translate }}
+    </button>
+  </div>
+</div>

+/**
+ * Copyright © 2016-2021 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.
+ */
+:host {
+  .mapping-config {
+    min-width: 518px;
+  }
+  .mapping-list {
+    padding-bottom: 8px;
+    height: 46px;
+  }
+
+  .required-text {
+    margin: 14px 0;
+  }
+}
+
+:host ::ng-deep {
+  .mapping-list {
+    mat-form-field {
+      .mat-form-field-wrapper {
+        padding-bottom: 0;
+        .mat-form-field-infix {
+          border-top-width: 0.2em;
+          width: auto;
+          min-width: auto;
+        }
+        .mat-form-field-underline {
+          bottom: 0;
+        }
+        .mat-form-field-subscript-wrapper{
+          margin-top: 1.8em;
+        }
+      }
+    }
+  }
+}

+///
+/// Copyright © 2016-2021 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.
+///
+
+import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
+import {
+  AbstractControl,
+  ControlValueAccessor,
+  FormArray,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
+import { SnmpMapping } from '@shared/models/device.models';
+import { Subscription } from 'rxjs';
+import { DataType, DataTypeTranslationMap } from '@shared/models/constants';
+import { isUndefinedOrNull } from '@core/utils';
+
+@Component({
+  selector: 'tb-snmp-device-profile-mapping',
+  templateUrl: './snmp-device-profile-mapping.component.html',
+  styleUrls: ['./snmp-device-profile-mapping.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileMappingComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileMappingComponent),
+      multi: true
+    }]
+})
+export class SnmpDeviceProfileMappingComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
+
+  mappingsConfigForm: FormGroup;
+
+  dataTypes = Object.values(DataType);
+  dataTypesTranslationMap = DataTypeTranslationMap;
+
+  @Input()
+  disabled: boolean;
+
+  private readonly oidPattern: RegExp  = /^\.?([0-2])((\.0)|(\.[1-9][0-9]*))*$/;
+
+  private valueChange$: Subscription = null;
+  private propagateChange = (v: any) => { };
+
+  constructor(private fb: FormBuilder) { }
+
+  ngOnInit() {
+    this.mappingsConfigForm = this.fb.group({
+      mappings: this.fb.array([])
+    });
+  }
+
+  ngOnDestroy() {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+  }
+
+  registerOnChange(fn: any) {
+    this.propagateChange = fn;
+  }
+
+  registerOnTouched(fn: any) {
+  }
+
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.mappingsConfigForm.disable({emitEvent: false});
+    } else {
+      this.mappingsConfigForm.enable({emitEvent: false});
+    }
+  }
+
+  validate(): ValidationErrors | null {
+    return this.mappingsConfigForm.valid && this.mappingsConfigForm.value.mappings.length ? null : {
+      mapping: false
+    };
+  }
+
+  writeValue(mappings: SnmpMapping[]) {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    const mappingsControl: Array<AbstractControl> = [];
+    if (mappings) {
+      mappings.forEach((config) => {
+        mappingsControl.push(this.createdFormGroup(config));
+      });
+    }
+    this.mappingsConfigForm.setControl('mappings', this.fb.array(mappingsControl));
+    if (!mappings || !mappings.length) {
+      this.addMappingConfig();
+    }
+    if (this.disabled) {
+      this.mappingsConfigForm.disable({emitEvent: false});
+    } else {
+      this.mappingsConfigForm.enable({emitEvent: false});
+    }
+    this.valueChange$ = this.mappingsConfigForm.valueChanges.subscribe(() => {
+      this.updateModel();
+    });
+    if (!this.disabled && !this.mappingsConfigForm.valid) {
+      this.updateModel();
+    }
+  }
+
+  mappingsConfigFormArray(): FormArray {
+    return this.mappingsConfigForm.get('mappings') as FormArray;
+  }
+
+  public addMappingConfig() {
+    this.mappingsConfigFormArray().push(this.createdFormGroup());
+    this.mappingsConfigForm.updateValueAndValidity();
+    if (!this.mappingsConfigForm.valid) {
+      this.updateModel();
+    }
+  }
+
+  public removeMappingConfig(index: number) {
+    this.mappingsConfigFormArray().removeAt(index);
+  }
+
+  private createdFormGroup(value?: SnmpMapping): FormGroup {
+    if (isUndefinedOrNull(value)) {
+      value = {
+        dataType: DataType.STRING,
+        key: '',
+        oid: ''
+      };
+    }
+    return this.fb.group({
+      dataType: [value.dataType, Validators.required],
+      key: [value.key, Validators.required],
+      oid: [value.oid, [Validators.required, Validators.pattern(this.oidPattern)]]
+    });
+  }
+
+  private updateModel() {
+    const value: SnmpMapping[] = this.mappingsConfigForm.get('mappings').value;
+    this.propagateChange(value);
+  }
+
+}

+<!--
+
+    Copyright © 2016-2021 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.
+
+-->
+<form [formGroup]="snmpDeviceProfileTransportConfigurationFormGroup" style="padding: 8px 0 16px;">
+  <section fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.timeout-ms</mat-label>
+      <input matInput formControlName="timeoutMs" type="number" min="0" required/>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('required')">
+        {{ 'device-profile.snmp.timeout-ms-required' | translate }}
+      </mat-error>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('pattern') ||
+    snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('min')">
+        {{ 'device-profile.snmp.timeout-ms-invalid-format' | translate }}
+      </mat-error>
+    </mat-form-field>
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.retries</mat-label>
+      <input matInput formControlName="retries" type="number" min="0" required/>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('required')">
+        {{ 'device-profile.snmp.retries-required' | translate }}
+      </mat-error>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('pattern') ||
+    snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('min')">
+        {{ 'device-profile.snmp.retries-invalid-format' | translate }}
+      </mat-error>
+    </mat-form-field>
+  </section>
+  <div class="tb-small" style="padding-bottom: 8px" translate>device-profile.snmp.communication-configs</div>
+  <tb-snmp-device-profile-communication-config formControlName="communicationConfigs">
+  </tb-snmp-device-profile-communication-config>
+</form>

@@ -15,9 +15,16 @@
 ///
 
 import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
-import { ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
-import { Store } from '@ngrx/store';
-import { AppState } from '@app/core/core.state';
+import {
+  ControlValueAccessor,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import {
   DeviceProfileTransportConfiguration,
@@ -40,19 +47,24 @@ export interface OidMappingConfiguration {
   selector: 'tb-snmp-device-profile-transport-configuration',
   templateUrl: './snmp-device-profile-transport-configuration.component.html',
   styleUrls: [],
-  providers: [{
-    provide: NG_VALUE_ACCESSOR,
-    useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
-    multi: true
-  }]
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
+      multi: true
+    }]
 })
-export class SnmpDeviceProfileTransportConfigurationComponent implements ControlValueAccessor, OnInit, OnDestroy {
+export class SnmpDeviceProfileTransportConfigurationComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
 
   snmpDeviceProfileTransportConfigurationFormGroup: FormGroup;
 
   private destroy$ = new Subject();
   private requiredValue: boolean;
-  private configuration = [];
 
   get required(): boolean {
     return this.requiredValue;
@@ -69,12 +81,14 @@ export class SnmpDeviceProfileTransportConfigurationComponent implements Control
   private propagateChange = (v: any) => {
   }
 
-  constructor(private store: Store<AppState>, private fb: FormBuilder) {
+  constructor(private fb: FormBuilder) {
   }
 
   ngOnInit(): void {
     this.snmpDeviceProfileTransportConfigurationFormGroup = this.fb.group({
-      configuration: [null, Validators.required]
+      timeoutMs: [500, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+      retries: [0, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+      communicationConfigs: [null, Validators.required],
     });
     this.snmpDeviceProfileTransportConfigurationFormGroup.valueChanges.pipe(
       takeUntil(this.destroy$)
@@ -95,18 +109,33 @@ export class SnmpDeviceProfileTransportConfigurationComponent implements Control
   registerOnTouched(fn: any): void {
   }
 
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.snmpDeviceProfileTransportConfigurationFormGroup.disable({emitEvent: false});
+    } else {
+      this.snmpDeviceProfileTransportConfigurationFormGroup.enable({emitEvent: false});
+    }
+  }
+
   writeValue(value: SnmpDeviceProfileTransportConfiguration | null): void {
     if (isDefinedAndNotNull(value)) {
-      this.snmpDeviceProfileTransportConfigurationFormGroup.patchValue({configuration: value}, {emitEvent: false});
+      this.snmpDeviceProfileTransportConfigurationFormGroup.patchValue(value, {emitEvent: !value.communicationConfigs});
     }
   }
 
   private updateModel() {
     let configuration: DeviceProfileTransportConfiguration = null;
     if (this.snmpDeviceProfileTransportConfigurationFormGroup.valid) {
-      configuration = this.snmpDeviceProfileTransportConfigurationFormGroup.getRawValue().configuration;
+      configuration = this.snmpDeviceProfileTransportConfigurationFormGroup.getRawValue();
       configuration.type = DeviceTransportType.SNMP;
     }
     this.propagateChange(configuration);
   }
+
+  validate(): ValidationErrors | null {
+    return this.snmpDeviceProfileTransportConfigurationFormGroup.valid ? null : {
+      snmpDeviceProfileTransportConfiguration: false
+    };
+  }
 }

+///
+/// Copyright © 2016-2021 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.
+///
+
+import { NgModule } from '@angular/core';
+import { SharedModule } from '@shared/shared.module';
+import { CommonModule } from '@angular/common';
+import { SnmpDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/snpm/snmp-device-profile-transport-configuration.component';
+import { SnmpDeviceProfileCommunicationConfigComponent } from './snmp-device-profile-communication-config.component';
+import { SnmpDeviceProfileMappingComponent } from './snmp-device-profile-mapping.component';
+
+@NgModule({
+  declarations: [
+    SnmpDeviceProfileTransportConfigurationComponent,
+    SnmpDeviceProfileCommunicationConfigComponent,
+    SnmpDeviceProfileMappingComponent
+  ],
+  imports: [
+    CommonModule,
+    SharedModule
+  ],
+  exports: [
+    SnmpDeviceProfileTransportConfigurationComponent
+  ]
+})
+export class SnmpDeviceProfileTransportModule { }

@@ -274,6 +274,7 @@ export class AlarmsTableWidgetComponent extends PageComponent implements OnInit,
     this.updateTitle(true);
     this.alarmsDatasource.updateAlarms();
     this.clearCache();
+    this.ctx.detectChanges();
   }
 
   public pageLinkSortDirection(): SortDirection {

@@ -443,7 +443,7 @@ export class EntitiesHierarchyWidgetComponent extends PageComponent implements O
             const dataPageData = subscription.dataPages[0];
             const childNodes: HierarchyNavTreeNode[] = [];
             datasourcesPageData.data.forEach((childDatasource, index) => {
-              childNodes.push(this.datasourceToNode(childDatasource as HierarchyNodeDatasource, dataPageData.data[index]));
+              childNodes.push(this.datasourceToNode(childDatasource as HierarchyNodeDatasource, dataPageData.data[index], nodeCtx));
             });
             nodeCtx.childrenNodesLoaded = true;
             childrenNodesLoadCb(this.prepareNodes(childNodes));

@@ -47,7 +47,6 @@ import {
   isDefined,
   isNumber,
   isObject,
-  isString,
   isUndefined
 } from '@core/utils';
 import cssjs from '@core/css/css';
@@ -236,6 +235,7 @@ export class EntitiesTableWidgetComponent extends PageComponent implements OnIni
     this.updateTitle(true);
     this.entityDatasource.dataUpdated();
     this.clearCache();
+    this.ctx.detectChanges();
   }
 
   public pageLinkSortDirection(): SortDirection {

@@ -69,10 +69,10 @@ export class ResourcesLibraryTableConfigResolver implements Resolve<EntityTableC
 
     this.config.cellActionDescriptors.push(
       {
-        name: this.translate.instant('resource.export'),
+        name: this.translate.instant('resource.download'),
         icon: 'file_download',
         isEnabled: () => true,
-        onAction: ($event, entity) => this.exportResource($event, entity)
+        onAction: ($event, entity) => this.downloadResource($event, entity)
       }
     );
 
@@ -118,7 +118,7 @@ export class ResourcesLibraryTableConfigResolver implements Resolve<EntityTableC
     return this.config;
   }
 
-  exportResource($event: Event, resource: ResourceInfo) {
+  downloadResource($event: Event, resource: ResourceInfo) {
     if ($event) {
       $event.stopPropagation();
     }
@@ -127,8 +127,8 @@ export class ResourcesLibraryTableConfigResolver implements Resolve<EntityTableC
 
   onResourceAction(action: EntityAction<ResourceInfo>): boolean {
     switch (action.action) {
-      case 'uploadResource':
-        this.exportResource(action.event, action.entity);
+      case 'downloadResource':
+        this.downloadResource(action.event, action.entity);
         return true;
     }
     return false;

@@ -18,16 +18,26 @@
 <div class="tb-details-buttons" fxLayout.xs="column">
   <button mat-raised-button color="primary" fxFlex.xs
           [disabled]="(isLoading$ | async)"
-          (click)="onEntityAction($event, 'uploadResource')"
+          (click)="onEntityAction($event, 'downloadResource')"
           [fxShow]="!isEdit">
-    {{'resource.export' | translate }}
+    {{ 'resource.download' | translate }}
   </button>
   <button mat-raised-button color="primary" fxFlex.xs
           [disabled]="(isLoading$ | async)"
           (click)="onEntityAction($event, 'delete')"
           [fxShow]="!hideDelete() && !isEdit">
-    {{'resource.delete' | translate }}
+    {{ 'resource.delete' | translate }}
   </button>
+  <div fxLayout="row" fxLayout.xs="column">
+    <button mat-raised-button
+            ngxClipboard
+            (cbOnSuccess)="onResourceIdCopied()"
+            [cbContent]="entity?.id?.id"
+            [fxShow]="!isEdit">
+      <mat-icon svgIcon="mdi:clipboard-arrow-left"></mat-icon>
+      <span translate>resource.copyId</span>
+    </button>
+  </div>
 </div>
 <div class="mat-padding" fxLayout="column">
   <form [formGroup]="entityForm">
@@ -47,7 +57,7 @@
           {{ 'resource.title-required' | translate }}
         </mat-error>
       </mat-form-field>
-      <tb-file-input
+      <tb-file-input *ngIf="isAdd"
         formControlName="data"
         required
         [readAsBinary]="true"
@@ -59,6 +69,12 @@
         [existingFileName]="entityForm.get('fileName')?.value"
         (fileNameChanged)="entityForm?.get('fileName').patchValue($event)">
       </tb-file-input>
+      <div *ngIf="!isAdd" fxLayout="row" fxLayoutGap.gt-md="8px" fxLayoutGap.sm="8px" fxLayout.xs="column" fxLayout.md="column">
+        <mat-form-field fxFlex>
+          <mat-label translate>resource.file-name</mat-label>
+          <input matInput formControlName="fileName" type="text">
+        </mat-form-field>
+      </div>
     </fieldset>
   </form>
 </div>

@@ -30,6 +30,7 @@ import {
   ResourceTypeTranslationMap
 } from '@shared/models/resource.models';
 import { pairwise, startWith, takeUntil } from 'rxjs/operators';
+import { ActionNotificationShow } from "@core/notification/notification.actions";
 
 @Component({
   selector: 'tb-resources-library',
@@ -88,26 +89,29 @@ export class ResourcesLibraryComponent extends EntityComponent<Resource> impleme
   }
 
   buildForm(entity: Resource): FormGroup {
-    return this.fb.group(
+    const form = this.fb.group(
       {
+        title: [entity ? entity.title : '', []],
         resourceType: [{
           value: entity?.resourceType ? entity.resourceType : ResourceType.LWM2M_MODEL,
-          disabled: this.isEdit
+          disabled: !this.isAdd
         }, [Validators.required]],
-        data: [entity ? entity.data : null, [Validators.required]],
         fileName: [entity ? entity.fileName : null, [Validators.required]],
-        title: [entity ? entity.title : '', []]
       }
     );
+    if (this.isAdd) {
+      form.addControl('data', this.fb.control(null, Validators.required));
+    }
+    return form
   }
 
   updateForm(entity: Resource) {
-    this.entityForm.patchValue({resourceType: entity.resourceType});
     if (this.isEdit) {
       this.entityForm.get('resourceType').disable({emitEvent: false});
+      this.entityForm.get('fileName').disable({emitEvent: false});
     }
     this.entityForm.patchValue({
-      data: entity.data,
+      resourceType: entity.resourceType,
       fileName: entity.fileName,
       title: entity.title
     });
@@ -132,4 +136,15 @@ export class ResourcesLibraryComponent extends EntityComponent<Resource> impleme
   convertToBase64File(data: string): string {
     return window.btoa(data);
   }
+
+  onResourceIdCopied() {
+    this.store.dispatch(new ActionNotificationShow(
+      {
+        message: this.translate.instant('resource.idCopiedMessage'),
+        type: 'success',
+        duration: 750,
+        verticalPosition: 'bottom',
+        horizontalPosition: 'right'
+      }));
+  }
 }

@@ -98,7 +98,7 @@ const routes: Routes = [
         }
       },
       {
-        path: ':customerId/edges',
+        path: ':customerId/edgeInstances',
         component: EntitiesTableComponent,
         data: {
           auth: [Authority.TENANT_ADMIN],

@@ -169,7 +169,7 @@ export class CustomersTableConfigResolver implements Resolve<EntityTableConfig<C
     if ($event) {
       $event.stopPropagation();
     }
-    this.router.navigateByUrl(`customers/${customer.id.id}/edges`);
+    this.router.navigateByUrl(`customers/${customer.id.id}/edgeInstances`);
   }
 
   onCustomerAction(action: EntityAction<Customer>): boolean {

@@ -362,7 +362,7 @@ export class DashboardsTableConfigResolver implements Resolve<EntityTableConfig<
     if (this.config.componentsData.dashboardScope === 'customer') {
       this.router.navigateByUrl(`customers/${this.config.componentsData.customerId}/dashboards/${dashboard.id.id}`);
     } else if (this.config.componentsData.dashboardScope === 'edge') {
-      this.router.navigateByUrl(`edges/${this.config.componentsData.edgeId}/dashboards/${dashboard.id.id}`);
+      this.router.navigateByUrl(`edgeInstances/${this.config.componentsData.edgeId}/dashboards/${dashboard.id.id}`);
     } else {
       this.router.navigateByUrl(`dashboards/${dashboard.id.id}`);
     }

@@ -15,7 +15,16 @@
 ///
 
 import { Component, forwardRef, Input, OnInit } from '@angular/core';
-import { ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
+import {
+  ControlValueAccessor,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
 import { Store } from '@ngrx/store';
 import { AppState } from '@app/core/core.state';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
@@ -29,13 +38,20 @@ import {
   selector: 'tb-device-data',
   templateUrl: './device-data.component.html',
   styleUrls: [],
-  providers: [{
-    provide: NG_VALUE_ACCESSOR,
-    useExisting: forwardRef(() => DeviceDataComponent),
-    multi: true
-  }]
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => DeviceDataComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => DeviceDataComponent),
+      multi: true
+    },
+  ]
 })
-export class DeviceDataComponent implements ControlValueAccessor, OnInit {
+export class DeviceDataComponent implements ControlValueAccessor, OnInit, Validator {
 
   deviceDataFormGroup: FormGroup;
 
@@ -97,6 +113,12 @@ export class DeviceDataComponent implements ControlValueAccessor, OnInit {
     this.deviceDataFormGroup.patchValue({transportConfiguration: value?.transportConfiguration}, {emitEvent: false});
   }
 
+  validate(): ValidationErrors | null {
+    return this.deviceDataFormGroup.valid ? null : {
+      deviceDataForm: false
+    };
+  }
+
   private updateModel() {
     let deviceData: DeviceData = null;
     if (this.deviceDataFormGroup.valid) {

@@ -15,27 +15,39 @@
 ///
 
 import { Component, forwardRef, Input, OnInit } from '@angular/core';
-import { ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
+import {
+  ControlValueAccessor,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
 import { Store } from '@ngrx/store';
 import { AppState } from '@app/core/core.state';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
-import {
-  DeviceTransportConfiguration,
-  DeviceTransportType
-} from '@shared/models/device.models';
+import { DeviceTransportConfiguration, DeviceTransportType } from '@shared/models/device.models';
 import { deepClone } from '@core/utils';
 
 @Component({
   selector: 'tb-device-transport-configuration',
   templateUrl: './device-transport-configuration.component.html',
   styleUrls: [],
-  providers: [{
-    provide: NG_VALUE_ACCESSOR,
-    useExisting: forwardRef(() => DeviceTransportConfigurationComponent),
-    multi: true
-  }]
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => DeviceTransportConfigurationComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => DeviceTransportConfigurationComponent),
+      multi: true
+    }]
 })
-export class DeviceTransportConfigurationComponent implements ControlValueAccessor, OnInit {
+export class DeviceTransportConfigurationComponent implements ControlValueAccessor, OnInit, Validator {
 
   deviceTransportType = DeviceTransportType;
 
@@ -92,7 +104,15 @@ export class DeviceTransportConfigurationComponent implements ControlValueAccess
     if (configuration) {
       delete configuration.type;
     }
-    this.deviceTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    setTimeout(() => {
+      this.deviceTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    }, 0);
+  }
+
+  validate(): ValidationErrors | null {
+    return this.deviceTransportConfigurationFormGroup.valid ? null : {
+      deviceTransportConfiguration: false
+    };
   }
 
   private updateModel() {

@@ -15,10 +15,119 @@
     limitations under the License.
 
 -->
-<form [formGroup]="snmpDeviceTransportConfigurationFormGroup" style="padding-bottom: 16px;">
-  <tb-json-object-edit
-    [required]="required"
-    label="{{ 'device-profile.transport-type-snmp-hint' | translate }}"
-    formControlName="configuration">
-  </tb-json-object-edit>
+<form [formGroup]="snmpDeviceTransportConfigurationFormGroup" style="padding-bottom: 16px;"  fxLayoutGap="8px" fxLayout="column">
+  <div fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.host</mat-label>
+      <input matInput formControlName="host" required>
+      <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('host').hasError('required') ||
+                          snmpDeviceTransportConfigurationFormGroup.get('host').hasError('pattern')">
+        {{ 'device-profile.snmp.host-required' | translate }}
+      </mat-error>
+    </mat-form-field>
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.port</mat-label>
+      <input matInput formControlName="port" type="number" min="0" required>
+      <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('port').hasError('required')">
+        {{ 'device-profile.snmp.port-required' | translate }}
+      </mat-error>
+      <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('port').hasError('pattern') ||
+                          snmpDeviceTransportConfigurationFormGroup.get('port').hasError('min')">
+        {{ 'device-profile.snmp.port-format' | translate }}
+      </mat-error>
+    </mat-form-field>
+  </div>
+  <mat-form-field class="mat-block" floatLabel="always" hideRequiredMarker>
+    <mat-label translate>device-profile.snmp.protocol-version</mat-label>
+    <mat-select formControlName="protocolVersion" required>
+      <mat-option *ngFor="let snmpDeviceProtocolVersion of snmpDeviceProtocolVersions" [value]="snmpDeviceProtocolVersion">
+        {{ snmpDeviceProtocolVersion | lowercase }}
+      </mat-option>
+    </mat-select>
+    <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('protocolVersion').hasError('required')">
+      {{ 'device-profile.snmp.protocol-version-required' | translate }}
+    </mat-error>
+  </mat-form-field>
+  <section *ngIf="!isV3protocolVersion()">
+    <mat-form-field class="mat-block">
+      <mat-label translate>device-profile.snmp.community</mat-label>
+      <input matInput formControlName="community" required>
+      <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('community').hasError('required') ||
+                          snmpDeviceTransportConfigurationFormGroup.get('community').hasError('pattern')">
+        {{ 'device-profile.snmp.community-required' | translate }}
+      </mat-error>
+    </mat-form-field>
+  </section>
+  <section *ngIf="isV3protocolVersion()">
+    <div fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.user-name</mat-label>
+        <input matInput formControlName="username" required>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('username').hasError('required') ||
+                            snmpDeviceTransportConfigurationFormGroup.get('username').hasError('pattern')">
+          {{ 'device-profile.snmp.user-name-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.security-name</mat-label>
+        <input matInput formControlName="securityName" required>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('securityName').hasError('required') ||
+                            snmpDeviceTransportConfigurationFormGroup.get('securityName').hasError('pattern')">
+          {{ 'device-profile.snmp.security-name-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+    </div>
+    <div fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+      <mat-form-field fxFlex floatLabel="always" hideRequiredMarker>
+        <mat-label translate>device-profile.snmp.authentication-protocol</mat-label>
+        <mat-select formControlName="authenticationProtocol" required>
+          <mat-option *ngFor="let snmpAuthenticationProtocol of snmpAuthenticationProtocols" [value]="snmpAuthenticationProtocol">
+            {{ snmpAuthenticationProtocolTranslation.get(snmpAuthenticationProtocol) }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('authenticationProtocol').hasError('required')">
+          {{ 'device-profile.snmp.authentication-protocol-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.authentication-passphrase</mat-label>
+        <input matInput formControlName="authenticationPassphrase" required>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('authenticationPassphrase').hasError('required') ||
+                            snmpDeviceTransportConfigurationFormGroup.get('authenticationPassphrase').hasError('pattern')">
+          {{ 'device-profile.snmp.authentication-passphrase-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+    </div>
+    <div fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+      <mat-form-field fxFlex floatLabel="always" hideRequiredMarker>
+        <mat-label translate>device-profile.snmp.privacy-protocol</mat-label>
+        <mat-select formControlName="privacyProtocol" required>
+          <mat-option *ngFor="let snmpPrivacyProtocol of snmpPrivacyProtocols" [value]="snmpPrivacyProtocol">
+            {{ snmpPrivacyProtocolTranslation.get(snmpPrivacyProtocol) }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('privacyProtocol').hasError('required')">
+          {{ 'device-profile.snmp.privacy-protocol-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.privacy-passphrase</mat-label>
+        <input matInput formControlName="privacyPassphrase" required>
+        <mat-error *ngIf="snmpDeviceTransportConfigurationFormGroup.get('privacyPassphrase').hasError('required') ||
+                            snmpDeviceTransportConfigurationFormGroup.get('privacyPassphrase').hasError('pattern')">
+          {{ 'device-profile.snmp.privacy-passphrase-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+    </div>
+    <div fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.context-name</mat-label>
+        <input matInput formControlName="contextName">
+      </mat-form-field>
+      <mat-form-field fxFlex>
+        <mat-label translate>device-profile.snmp.engine-id</mat-label>
+        <input matInput formControlName="engineId">
+      </mat-form-field>
+    </div>
+  </section>
 </form>

@@ -14,31 +14,57 @@
 /// limitations under the License.
 ///
 
-import {Component, forwardRef, Input, OnInit} from '@angular/core';
-import {ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR, Validators} from '@angular/forms';
-import {Store} from '@ngrx/store';
-import {AppState} from '@app/core/core.state';
-import {coerceBooleanProperty} from '@angular/cdk/coercion';
+import { Component, forwardRef, Input, OnInit } from '@angular/core';
+import {
+  ControlValueAccessor,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
+import { Store } from '@ngrx/store';
+import { AppState } from '@app/core/core.state';
+import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import {
   DeviceTransportConfiguration,
   DeviceTransportType,
-  SnmpDeviceTransportConfiguration
+  SnmpAuthenticationProtocol,
+  SnmpAuthenticationProtocolTranslationMap,
+  SnmpDeviceProtocolVersion,
+  SnmpDeviceTransportConfiguration,
+  SnmpPrivacyProtocol,
+  SnmpPrivacyProtocolTranslationMap
 } from '@shared/models/device.models';
+import { isDefinedAndNotNull } from '@core/utils';
 
 @Component({
   selector: 'tb-snmp-device-transport-configuration',
   templateUrl: './snmp-device-transport-configuration.component.html',
   styleUrls: [],
-  providers: [{
-    provide: NG_VALUE_ACCESSOR,
-    useExisting: forwardRef(() => SnmpDeviceTransportConfigurationComponent),
-    multi: true
-  }]
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceTransportConfigurationComponent),
+      multi: true
+    }, {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceTransportConfigurationComponent),
+      multi: true
+    }]
 })
-export class SnmpDeviceTransportConfigurationComponent implements ControlValueAccessor, OnInit {
+export class SnmpDeviceTransportConfigurationComponent implements ControlValueAccessor, OnInit, Validator {
 
   snmpDeviceTransportConfigurationFormGroup: FormGroup;
 
+  snmpDeviceProtocolVersions = Object.values(SnmpDeviceProtocolVersion);
+  snmpAuthenticationProtocols = Object.values(SnmpAuthenticationProtocol);
+  snmpAuthenticationProtocolTranslation = SnmpAuthenticationProtocolTranslationMap;
+  snmpPrivacyProtocols = Object.values(SnmpPrivacyProtocol);
+  snmpPrivacyProtocolTranslation = SnmpPrivacyProtocolTranslationMap;
+
   private requiredValue: boolean;
 
   get required(): boolean {
@@ -53,8 +79,7 @@ export class SnmpDeviceTransportConfigurationComponent implements ControlValueAc
   @Input()
   disabled: boolean;
 
-  private propagateChange = (v: any) => {
-  };
+  private propagateChange = (v: any) => { };
 
   constructor(private store: Store<AppState>,
               private fb: FormBuilder) {
@@ -69,13 +94,33 @@ export class SnmpDeviceTransportConfigurationComponent implements ControlValueAc
 
   ngOnInit() {
     this.snmpDeviceTransportConfigurationFormGroup = this.fb.group({
-      configuration: [null, Validators.required]
+      host: ['', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      port: [null, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+      protocolVersion: [SnmpDeviceProtocolVersion.V2C, Validators.required],
+      community: ['public', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      username: ['', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      securityName: ['public', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      contextName: [null],
+      authenticationProtocol: [SnmpAuthenticationProtocol.SHA_512, Validators.required],
+      authenticationPassphrase: ['', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      privacyProtocol: [SnmpPrivacyProtocol.DES, Validators.required],
+      privacyPassphrase: ['', [Validators.required, Validators.pattern('(.|\\s)*\\S(.|\\s)*')]],
+      engineId: ['']
+    });
+    this.snmpDeviceTransportConfigurationFormGroup.get('protocolVersion').valueChanges.subscribe((protocol: SnmpDeviceProtocolVersion) => {
+      this.updateDisabledFormValue(protocol);
     });
     this.snmpDeviceTransportConfigurationFormGroup.valueChanges.subscribe(() => {
       this.updateModel();
     });
   }
 
+  validate(): ValidationErrors | null {
+    return this.snmpDeviceTransportConfigurationFormGroup.valid ?  null : {
+      snmpDeviceTransportConfiguration: false
+    };
+  }
+
   setDisabledState(isDisabled: boolean): void {
     this.disabled = isDisabled;
     if (this.disabled) {
@@ -86,13 +131,46 @@ export class SnmpDeviceTransportConfigurationComponent implements ControlValueAc
   }
 
   writeValue(value: SnmpDeviceTransportConfiguration | null): void {
-    this.snmpDeviceTransportConfigurationFormGroup.patchValue({configuration: value}, {emitEvent: false});
+    if (isDefinedAndNotNull(value)) {
+      this.snmpDeviceTransportConfigurationFormGroup.patchValue(value, {emitEvent: false});
+      if (this.snmpDeviceTransportConfigurationFormGroup.enabled) {
+        this.updateDisabledFormValue(value.protocolVersion || SnmpDeviceProtocolVersion.V2C);
+      }
+    }
+  }
+
+  isV3protocolVersion(): boolean {
+    return this.snmpDeviceTransportConfigurationFormGroup.get('protocolVersion').value === SnmpDeviceProtocolVersion.V3;
+  }
+
+  private updateDisabledFormValue(protocol: SnmpDeviceProtocolVersion) {
+    if (protocol === SnmpDeviceProtocolVersion.V3) {
+      this.snmpDeviceTransportConfigurationFormGroup.get('community').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('username').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('securityName').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('contextName').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('authenticationProtocol').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('authenticationPassphrase').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('privacyProtocol').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('privacyPassphrase').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('engineId').enable({emitEvent: false});
+    } else {
+      this.snmpDeviceTransportConfigurationFormGroup.get('community').enable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('username').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('securityName').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('contextName').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('authenticationProtocol').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('authenticationPassphrase').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('privacyProtocol').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('privacyPassphrase').disable({emitEvent: false});
+      this.snmpDeviceTransportConfigurationFormGroup.get('engineId').disable({emitEvent: false});
+    }
   }
 
   private updateModel() {
     let configuration: DeviceTransportConfiguration = null;
     if (this.snmpDeviceTransportConfigurationFormGroup.valid) {
-      configuration = this.snmpDeviceTransportConfigurationFormGroup.getRawValue().configuration;
+      configuration = this.snmpDeviceTransportConfigurationFormGroup.value;
       configuration.type = DeviceTransportType.SNMP;
     }
     this.propagateChange(configuration);

@@ -42,7 +42,7 @@ import {
 
 const routes: Routes = [
   {
-    path: 'edges',
+    path: 'edgeInstances',
     data: {
       breadcrumb: {
         label: 'edge.edge-instances',
@@ -187,6 +187,24 @@ const routes: Routes = [
             }
           }
         ]
+      }
+    ]
+  },
+  {
+    path: 'edgeManagement',
+    data: {
+      breadcrumb: {
+        label: 'edge.management',
+        icon: 'settings_input_antenna'
+      }
+    },
+    children: [
+      {
+        path: '',
+        data: {
+          auth: [Authority.TENANT_ADMIN, Authority.CUSTOMER_USER],
+          redirectTo: '/edgeManagement/ruleChains'
+        }
       },
       {
         path: 'ruleChains',

@@ -417,7 +417,7 @@ export class EdgesTableConfigResolver implements Resolve<EntityTableConfig<EdgeI
         suffix = 'ruleChains';
         break;
     }
-    this.router.navigateByUrl(`edges/${edge.id.id}/${suffix}`);
+    this.router.navigateByUrl(`edgeInstances/${edge.id.id}/${suffix}`);
   }
 
   assignToCustomer($event: Event, edgesIds: Array<EdgeId>) {

@@ -152,7 +152,7 @@ export class RuleNodeDetailsComponent extends PageComponent implements OnInit, O
     }
     if (this.ruleNode.targetRuleChainId) {
       if (this.ruleChainType === RuleChainType.EDGE) {
-        this.router.navigateByUrl(`/edges/ruleChains/${this.ruleNode.targetRuleChainId}`);
+        this.router.navigateByUrl(`/edgeManagement/ruleChains/${this.ruleNode.targetRuleChainId}`);
       } else {
         this.router.navigateByUrl(`/ruleChains/${this.ruleNode.targetRuleChainId}`);
       }

@@ -1289,7 +1289,7 @@ export class RuleChainPageComponent extends PageComponent
           if (this.ruleChainType !== RuleChainType.EDGE) {
             this.router.navigateByUrl(`ruleChains/${this.ruleChain.id.id}`);
           } else {
-            this.router.navigateByUrl(`edges/ruleChains/${this.ruleChain.id.id}`);
+            this.router.navigateByUrl(`edgeManagement/ruleChains/${this.ruleChain.id.id}`);
           }
         } else {
           this.createRuleChainModel();

@@ -285,7 +285,7 @@ export class RuleChainsTableConfigResolver implements Resolve<EntityTableConfig<
       if (ruleChainImport) {
         this.itembuffer.storeRuleChainImport(ruleChainImport);
         if (this.config.componentsData.ruleChainScope === 'edges') {
-          this.router.navigateByUrl(`edges/ruleChains/ruleChain/import`);
+          this.router.navigateByUrl(`edgeManagement/ruleChains/ruleChain/import`);
         } else {
           this.router.navigateByUrl(`ruleChains/ruleChain/import`);
         }
@@ -298,9 +298,9 @@ export class RuleChainsTableConfigResolver implements Resolve<EntityTableConfig<
       $event.stopPropagation();
     }
     if (this.config.componentsData.ruleChainScope === 'edges') {
-      this.router.navigateByUrl(`edges/ruleChains/${ruleChain.id.id}`);
+      this.router.navigateByUrl(`edgeManagement/ruleChains/${ruleChain.id.id}`);
     } else if (this.config.componentsData.ruleChainScope === 'edge') {
-      this.router.navigateByUrl(`edges/${this.config.componentsData.edgeId}/ruleChains/${ruleChain.id.id}`);
+      this.router.navigateByUrl(`edgeInstances/${this.config.componentsData.edgeId}/ruleChains/${ruleChain.id.id}`);
     } else {
       this.router.navigateByUrl(`ruleChains/${ruleChain.id.id}`);
     }

@@ -50,7 +50,7 @@ export class RuleNodeComponent extends FcNodeComponent implements OnInit {
     }
     if (node.targetRuleChainId) {
       if (node.ruleChainType === RuleChainType.EDGE) {
-        this.router.navigateByUrl(`/edges/ruleChains/${node.targetRuleChainId}`);
+        this.router.navigateByUrl(`/edgeManagement/ruleChains/${node.targetRuleChainId}`);
       } else {
         this.router.navigateByUrl(`/ruleChains/${node.targetRuleChainId}`);
       }

@@ -120,6 +120,7 @@ export const HelpLinks = {
     entityViews: helpBaseUrl + '/docs/user-guide/ui/entity-views',
     entitiesImport: helpBaseUrl + '/docs/user-guide/bulk-provisioning',
     rulechains: helpBaseUrl + '/docs/user-guide/ui/rule-chains',
+    resources: helpBaseUrl + '/docs/user-guide/ui/resources',
     dashboards: helpBaseUrl + '/docs/user-guide/ui/dashboards',
     otaUpdates: helpBaseUrl + '/docs/user-guide/ui/ota-updates',
     widgetsBundles: helpBaseUrl + '/docs/user-guide/ui/widget-library#bundles',
@@ -147,6 +148,22 @@ export enum ValueType {
   JSON = 'JSON'
 }
 
+export enum DataType {
+  STRING = 'STRING',
+  LONG = 'LONG',
+  BOOLEAN = 'BOOLEAN',
+  DOUBLE = 'DOUBLE',
+  JSON = 'JSON'
+}
+
+export const DataTypeTranslationMap = new Map([
+  [DataType.STRING, 'value.string'],
+  [DataType.LONG, 'value.integer'],
+  [DataType.BOOLEAN, 'value.boolean'],
+  [DataType.DOUBLE, 'value.double'],
+  [DataType.JSON, 'value.json']
+]);
+
 export const valueTypesMap = new Map<ValueType, ValueTypeData>(
   [
     [

@@ -29,6 +29,7 @@ import * as _moment from 'moment';
 import { AbstractControl, ValidationErrors } from '@angular/forms';
 import { OtaPackageId } from '@shared/models/id/ota-package-id';
 import { DashboardId } from '@shared/models/id/dashboard-id';
+import { DataType } from '@shared/models/constants';
 
 export enum DeviceProfileType {
   DEFAULT = 'DEFAULT',
@@ -257,7 +258,35 @@ export interface Lwm2mDeviceProfileTransportConfiguration {
 }
 
 export interface SnmpDeviceProfileTransportConfiguration {
-  [key: string]: any;
+  timeoutMs?: number;
+  retries?: number;
+  communicationConfigs?: SnmpCommunicationConfig[];
+}
+
+export enum SnmpSpecType {
+  TELEMETRY_QUERYING = 'TELEMETRY_QUERYING',
+  CLIENT_ATTRIBUTES_QUERYING = 'CLIENT_ATTRIBUTES_QUERYING',
+  SHARED_ATTRIBUTES_SETTING = 'SHARED_ATTRIBUTES_SETTING',
+  TO_DEVICE_RPC_REQUEST = 'TO_DEVICE_RPC_REQUEST'
+}
+
+export const SnmpSpecTypeTranslationMap = new Map<SnmpSpecType, string>([
+  [SnmpSpecType.TELEMETRY_QUERYING, ' Telemetry'],
+  [SnmpSpecType.CLIENT_ATTRIBUTES_QUERYING, 'Client attributes'],
+  [SnmpSpecType.SHARED_ATTRIBUTES_SETTING, 'Shared attributes'],
+  [SnmpSpecType.TO_DEVICE_RPC_REQUEST, 'RPC request']
+]);
+
+export interface SnmpCommunicationConfig {
+  spec: SnmpSpecType;
+  mappings: SnmpMapping[];
+  queryingFrequencyMs?: number;
+}
+
+export interface SnmpMapping {
+  oid: string;
+  key: string;
+  dataType: DataType;
 }
 
 export type DeviceProfileTransportConfigurations = DefaultDeviceProfileTransportConfiguration &
@@ -332,7 +361,11 @@ export function createDeviceProfileTransportConfiguration(type: DeviceTransportT
         transportConfiguration = {...lwm2mTransportConfiguration, type: DeviceTransportType.LWM2M};
         break;
       case DeviceTransportType.SNMP:
-        const snmpTransportConfiguration: SnmpDeviceProfileTransportConfiguration = {};
+        const snmpTransportConfiguration: SnmpDeviceProfileTransportConfiguration = {
+          timeoutMs: 500,
+          retries: 0,
+          communicationConfigs: null
+        };
         transportConfiguration = {...snmpTransportConfiguration, type: DeviceTransportType.SNMP};
         break;
     }
@@ -361,7 +394,12 @@ export function createDeviceTransportConfiguration(type: DeviceTransportType): D
         transportConfiguration = {...lwm2mTransportConfiguration, type: DeviceTransportType.LWM2M};
         break;
       case DeviceTransportType.SNMP:
-        const snmpTransportConfiguration: SnmpDeviceTransportConfiguration = {};
+        const snmpTransportConfiguration: SnmpDeviceTransportConfiguration = {
+          host: 'localhost',
+          port: 161,
+          protocolVersion: SnmpDeviceProtocolVersion.V2C,
+          community: 'public'
+        };
         transportConfiguration = {...snmpTransportConfiguration, type: DeviceTransportType.SNMP};
         break;
     }
@@ -539,8 +577,57 @@ export interface Lwm2mDeviceTransportConfiguration {
   [key: string]: any;
 }
 
+export enum SnmpDeviceProtocolVersion {
+  V1 = 'V1',
+  V2C = 'V2C',
+  V3 = 'V3'
+}
+
+export enum SnmpAuthenticationProtocol {
+  SHA_1 = 'SHA_1',
+  SHA_224 = 'SHA_224',
+  SHA_256 = 'SHA_256',
+  SHA_384 = 'SHA_384',
+  SHA_512 = 'SHA_512',
+  MD5 = 'MD%'
+}
+
+export const SnmpAuthenticationProtocolTranslationMap = new Map<SnmpAuthenticationProtocol, string>([
+  [SnmpAuthenticationProtocol.SHA_1, 'SHA-1'],
+  [SnmpAuthenticationProtocol.SHA_224, 'SHA-224'],
+  [SnmpAuthenticationProtocol.SHA_256, 'SHA-256'],
+  [SnmpAuthenticationProtocol.SHA_384, 'SHA-384'],
+  [SnmpAuthenticationProtocol.SHA_512, 'SHA-512'],
+  [SnmpAuthenticationProtocol.MD5, 'MD5']
+]);
+
+export enum SnmpPrivacyProtocol {
+  DES = 'DES',
+  AES_128 = 'AES_128',
+  AES_192 = 'AES_192',
+  AES_256 = 'AES_256'
+}
+
+export const SnmpPrivacyProtocolTranslationMap = new Map<SnmpPrivacyProtocol, string>([
+  [SnmpPrivacyProtocol.DES, 'DES'],
+  [SnmpPrivacyProtocol.AES_128, 'AES-128'],
+  [SnmpPrivacyProtocol.AES_192, 'AES-192'],
+  [SnmpPrivacyProtocol.AES_256, 'AES-256'],
+]);
+
 export interface SnmpDeviceTransportConfiguration {
-  [key: string]: any;
+  host?: string;
+  port?: number;
+  protocolVersion?: SnmpDeviceProtocolVersion;
+  community?: string;
+  username?: string;
+  securityName?: string;
+  contextName?: string;
+  authenticationProtocol?: SnmpAuthenticationProtocol;
+  authenticationPassphrase?: string;
+  privacyProtocol?: SnmpPrivacyProtocol;
+  privacyPassphrase?: string;
+  engineId?: string;
 }
 
 export type DeviceTransportConfigurations = DefaultDeviceTransportConfiguration &

@@ -61,6 +61,6 @@ export interface Resource extends ResourceInfo {
 }
 
 export interface Resources extends ResourceInfo {
-  data: string|string[];
-  fileName: string|string[];
+  data: Array<string>;
+  fileName: Array<string>;
 }

@@ -49,8 +49,10 @@ export interface DefaultTenantProfileConfiguration {
   maxRuleNodeExecutionsPerMessage: number;
   maxEmails: number;
   maxSms: number;
+  maxCreatedAlarms: number;
 
   defaultStorageTtlDays: number;
+  alarmsTtlDays: number;
 }
 
 export type TenantProfileConfigurations = DefaultTenantProfileConfiguration;
@@ -81,7 +83,9 @@ export function createTenantProfileConfiguration(type: TenantProfileType): Tenan
           maxRuleNodeExecutionsPerMessage: 0,
           maxEmails: 0,
           maxSms: 0,
-          defaultStorageTtlDays: 0
+          maxCreatedAlarms: 0,
+          defaultStorageTtlDays: 0,
+          alarmsTtlDays: 0
         };
         configuration = {...defaultConfiguration, type: TenantProfileType.DEFAULT};
         break;

@@ -1297,6 +1297,54 @@
             "sw-update-recourse": "Software update CoAP recourse",
             "sw-update-recourse-required": "Software update CoAP recourse is required.",
             "config-json-tab": "Json Config Profile Device"
+        },
+        "snmp": {
+            "add-communication-config": "Add communication config",
+            "add-mapping": "Add mapping",
+            "authentication-passphrase": "Authentication passphrase",
+            "authentication-passphrase-required": "Authentication passphrase is required.",
+            "authentication-protocol": "Authentication protocol",
+            "authentication-protocol-required": "Authentication protocol is required.",
+            "communication-configs": "Communication configs",
+            "community": "Community string",
+            "community-required": "Community string is required.",
+            "context-name": "Context name",
+            "data-key": "Data key",
+            "data-key-required": "Data key is required.",
+            "data-type": "Data type",
+            "data-type-required": "Data type is required.",
+            "engine-id": "Engine ID",
+            "host": "Host",
+            "host-required": "Host is required.",
+            "oid": "OID",
+            "oid-pattern": "Invalid OID format.",
+            "oid-required": "OID is required.",
+            "please-add-communication-config": "Please add communication config",
+            "please-add-mapping-config": "Please add mapping config",
+            "port": "Port",
+            "port-format": "Invalid port format.",
+            "port-required": "Port is required.",
+            "privacy-passphrase": "Privacy passphrase",
+            "privacy-passphrase-required": "Privacy passphrase is required.",
+            "privacy-protocol": "Privacy protocol",
+            "privacy-protocol-required": "Privacy protocol is required.",
+            "protocol-version": "Protocol version",
+            "protocol-version-required": "Protocol version is required.",
+            "querying-frequency": "Querying frequency, ms",
+            "querying-frequency-invalid-format": "Querying frequency must be a positive integer.",
+            "querying-frequency-required": "Querying frequency is required.",
+            "retries": "Retries",
+            "retries-invalid-format": "Retries must be a positive integer.",
+            "retries-required": "Retries is required.",
+            "scope": "Scope",
+            "scope-required": "Scope is required.",
+            "security-name": "Security name",
+            "security-name-required": "Security name is required.",
+            "timeout-ms": "Timeout, ms",
+            "timeout-ms-invalid-format": "Timeout must be a positive integer.",
+            "timeout-ms-required": "Timeout is required.",
+            "user-name": "User name",
+            "user-name-required": "User name is required."
         }
     },
     "dialog": {
@@ -2309,20 +2357,23 @@
     },
     "resource": {
         "add": "Add Resource",
+        "copyId": "Copy resource Id",
         "delete": "Delete resource",
         "delete-resource-text": "Be careful, after the confirmation the resource will become unrecoverable.",
         "delete-resource-title": "Are you sure you want to delete the resource '{{resourceTitle}}'?",
         "delete-resources-action-title": "Delete { count, plural, 1 {1 resource} other {# resources} }",
         "delete-resources-text": "Be careful, after the confirmation all selected resources will be removed.",
         "delete-resources-title": "Are you sure you want to delete { count, plural, 1 {1 resource} other {# resources} }?",
+        "download": "Download resource",
         "drop-file": "Drop a resource file or click to select a file to upload.",
         "empty": "Resource is empty",
-        "export": "Export resource",
+        "file-name": "File name",
+        "idCopiedMessage": "Resource Id has been copied to clipboard",
         "no-resource-matching": "No resource matching '{{widgetsBundle}}' were found.",
         "no-resource-text": "No resources found",
         "open-widgets-bundle": "Open widgets bundle",
         "resource": "Resource",
-        "resource-library-details": "Resource library details",
+        "resource-library-details": "Resource details",
         "resource-type": "Resource type",
         "resources-library": "Resources library",
         "search": "Search resources",

@@ -1994,7 +1994,6 @@
     "delete-resources-title": "确定要删除 { count, plural, 1 {# 个资源} other {# 个资源} }?",
     "drop-file": "拖拽资源文件或单击以选择要上传的文件。",
     "empty": "资源为空",
-    "export": "导出资源",
     "no-resource-matching": "找不到与 '{{widgetsBundle}}' 匹配的资源。",
     "no-resource-text": "找不到资源",
     "open-widgets-bundle": "打开部件库",