Extract coap-server component to separate module to be used in coap transport an…

…d core (CoAP integrations).

* init commit: coap-server component

* move coap-server to separate module

* fix typo

@@ -589,6 +589,10 @@ transport:
     dtls:
       # Enable/disable DTLS 1.2 support
       enabled: "${COAP_DTLS_ENABLED:false}"
+      # CoAP DTLS bind address
+      bind_address: "${COAP_DTLS_BIND_ADDRESS:0.0.0.0}"
+      # CoAP DTLS bind port
+      bind_port: "${COAP_DTLS_BIND_PORT:5684}"
       # Secure mode. Allowed values: NO_AUTH, X509
       mode: "${COAP_DTLS_SECURE_MODE:NO_AUTH}"
       # Path to the key store that holds the certificate

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.thingsboard</groupId>
+        <version>3.3.0-SNAPSHOT</version>
+        <artifactId>common</artifactId>
+    </parent>
+    <groupId>org.thingsboard.common</groupId>
+    <artifactId>coap-server</artifactId>
+    <packaging>jar</packaging>
+
+    <name>Thingsboard CoAP server</name>
+    <url>https://thingsboard.io</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <main.dir>${basedir}/../..</main.dir>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.thingsboard.common</groupId>
+            <artifactId>queue</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.thingsboard.common</groupId>
+            <artifactId>data</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.thingsboard.common.transport</groupId>
+            <artifactId>transport-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.californium</groupId>
+            <artifactId>californium-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.californium</groupId>
+            <artifactId>scandium</artifactId>
+        </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file

+/**
+ * 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.coapserver;
+
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@ConditionalOnExpression("'${service.type:null}'=='tb-transport' || ('${service.type:null}'=='monolith' && '${transport.api_enabled:true}'=='true' && '${transport.coap.enabled}'=='true')")
+@Component
+public class CoapServerContext {
+
+    @Getter
+    @Value("${transport.coap.bind_address}")
+    private String host;
+
+    @Getter
+    @Value("${transport.coap.bind_port}")
+    private Integer port;
+
+    @Getter
+    @Value("${transport.coap.timeout}")
+    private Long timeout;
+
+    @Getter
+    @Autowired(required = false)
+    private TbCoapDtlsSettings dtlsSettings;
+
+}

+/**
+ * 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.coapserver;
+
+import org.eclipse.californium.core.CoapServer;
+
+import java.net.UnknownHostException;
+import java.util.concurrent.ConcurrentMap;
+
+public interface CoapServerService {
+
+    CoapServer getCoapServer() throws UnknownHostException;
+
+    ConcurrentMap<String, TbCoapDtlsSessionInfo> getDtlsSessionsMap();
+
+    long getTimeout();
+
+}

+/**
+ * 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.coapserver;
+
+import lombok.extern.slf4j.Slf4j;
+import org.eclipse.californium.core.CoapServer;
+import org.eclipse.californium.core.network.CoapEndpoint;
+import org.eclipse.californium.core.network.config.NetworkConfig;
+import org.eclipse.californium.core.server.resources.Resource;
+import org.eclipse.californium.scandium.DTLSConnector;
+import org.eclipse.californium.scandium.config.DtlsConnectorConfig;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.UnknownHostException;
+import java.util.Random;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+@Slf4j
+@Component
+@ConditionalOnExpression("'${service.type:null}'=='tb-transport' || ('${service.type:null}'=='monolith' && '${transport.api_enabled:true}'=='true' && '${transport.coap.enabled}'=='true')")
+public class DefaultCoapServerService implements CoapServerService {
+
+    @Autowired
+    private CoapServerContext coapServerContext;
+
+    private CoapServer server;
+
+    private TbCoapDtlsCertificateVerifier tbDtlsCertificateVerifier;
+
+    private ScheduledExecutorService dtlsSessionsExecutor;
+
+    @PostConstruct
+    public void init() throws UnknownHostException {
+        createCoapServer();
+    }
+
+    @PreDestroy
+    public void shutdown() {
+        if (dtlsSessionsExecutor != null) {
+            dtlsSessionsExecutor.shutdownNow();
+        }
+        log.info("Stopping CoAP server!");
+        server.destroy();
+        log.info("CoAP server stopped!");
+    }
+
+    @Override
+    public CoapServer getCoapServer() throws UnknownHostException {
+        if (server != null) {
+            return server;
+        } else {
+            return createCoapServer();
+        }
+    }
+
+    @Override
+    public ConcurrentMap<String, TbCoapDtlsSessionInfo> getDtlsSessionsMap() {
+        return tbDtlsCertificateVerifier != null ? tbDtlsCertificateVerifier.getTbCoapDtlsSessionIdsMap() : null;
+    }
+
+    @Override
+    public long getTimeout() {
+        return coapServerContext.getTimeout();
+    }
+
+    private CoapServer createCoapServer() throws UnknownHostException {
+        server = new CoapServer();
+
+        CoapEndpoint.Builder noSecCoapEndpointBuilder = new CoapEndpoint.Builder();
+        InetAddress addr = InetAddress.getByName(coapServerContext.getHost());
+        InetSocketAddress sockAddr = new InetSocketAddress(addr, coapServerContext.getPort());
+        noSecCoapEndpointBuilder.setInetSocketAddress(sockAddr);
+        noSecCoapEndpointBuilder.setNetworkConfig(NetworkConfig.getStandard());
+        CoapEndpoint noSecCoapEndpoint = noSecCoapEndpointBuilder.build();
+        server.addEndpoint(noSecCoapEndpoint);
+
+        if (isDtlsEnabled()) {
+            CoapEndpoint.Builder dtlsCoapEndpointBuilder = new CoapEndpoint.Builder();
+            TbCoapDtlsSettings dtlsSettings = coapServerContext.getDtlsSettings();
+            DtlsConnectorConfig dtlsConnectorConfig = dtlsSettings.dtlsConnectorConfig();
+            DTLSConnector connector = new DTLSConnector(dtlsConnectorConfig);
+            dtlsCoapEndpointBuilder.setConnector(connector);
+            CoapEndpoint dtlsCoapEndpoint = dtlsCoapEndpointBuilder.build();
+            server.addEndpoint(dtlsCoapEndpoint);
+            if (dtlsConnectorConfig.isClientAuthenticationRequired()) {
+                tbDtlsCertificateVerifier = (TbCoapDtlsCertificateVerifier) dtlsConnectorConfig.getAdvancedCertificateVerifier();
+                dtlsSessionsExecutor = Executors.newSingleThreadScheduledExecutor();
+                dtlsSessionsExecutor.scheduleAtFixedRate(this::evictTimeoutSessions, new Random().nextInt((int) getDtlsSessionReportTimeout()), getDtlsSessionReportTimeout(), TimeUnit.MILLISECONDS);
+            }
+        }
+        Resource root = server.getRoot();
+        TbCoapServerMessageDeliverer messageDeliverer = new TbCoapServerMessageDeliverer(root);
+        server.setMessageDeliverer(messageDeliverer);
+
+        server.start();
+        return server;
+    }
+
+    private boolean isDtlsEnabled() {
+        return coapServerContext.getDtlsSettings() != null;
+    }
+
+    private void evictTimeoutSessions() {
+        tbDtlsCertificateVerifier.evictTimeoutSessions();
+    }
+
+    private long getDtlsSessionReportTimeout() {
+        return tbDtlsCertificateVerifier.getDtlsSessionReportTimeout();
+    }
+
+}

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.transport.coap;
+package org.thingsboard.server.coapserver;
 
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.transport.coap;
+package org.thingsboard.server.coapserver;
 
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.transport.coap;
+package org.thingsboard.server.coapserver;
 
 import lombok.Data;
 import org.thingsboard.server.common.data.DeviceProfile;

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.transport.coap;
+package org.thingsboard.server.coapserver;
 
 import com.google.common.io.Resources;
 import lombok.extern.slf4j.Slf4j;
@@ -39,15 +39,15 @@ import java.util.Collections;
 import java.util.Optional;
 
 @Slf4j
+@ConditionalOnExpression("'${transport.coap.enabled}'=='true'")
 @ConditionalOnProperty(prefix = "transport.coap.dtls", value = "enabled", havingValue = "true", matchIfMissing = false)
-@ConditionalOnExpression("'${transport.type:null}'=='null' || ('${transport.type}'=='local' && '${transport.coap.enabled}'=='true')")
 @Component
 public class TbCoapDtlsSettings {
 
-    @Value("${transport.coap.bind_address}")
+    @Value("${transport.coap.dtls.bind_address}")
     private String host;
 
-    @Value("${transport.coap.bind_port}")
+    @Value("${transport.coap.dtls.bind_port}")
     private Integer port;
 
     @Value("${transport.coap.dtls.mode}")

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.transport.coap;
+package org.thingsboard.server.coapserver;
 
 import lombok.extern.slf4j.Slf4j;
 import org.eclipse.californium.core.coap.OptionSet;

@@ -43,6 +43,7 @@
         <module>dao-api</module>
         <module>stats</module>
         <module>cache</module>
+        <module>coap-server</module>
     </modules>
 
 </project>

@@ -41,6 +41,10 @@
             <artifactId>transport-api</artifactId>
         </dependency>
         <dependency>
+            <groupId>org.thingsboard.common</groupId>
+            <artifactId>coap-server</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.eclipse.californium</groupId>
             <artifactId>californium-core</artifactId>
         </dependency>

@@ -18,13 +18,12 @@ package org.thingsboard.server.transport.coap;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Component;
 import org.thingsboard.server.common.transport.TransportContext;
-import org.thingsboard.server.transport.coap.efento.adaptor.EfentoCoapAdaptor;
 import org.thingsboard.server.transport.coap.adaptors.JsonCoapAdaptor;
 import org.thingsboard.server.transport.coap.adaptors.ProtoCoapAdaptor;
+import org.thingsboard.server.transport.coap.efento.adaptor.EfentoCoapAdaptor;
 
 
 /**
@@ -36,22 +35,6 @@ import org.thingsboard.server.transport.coap.adaptors.ProtoCoapAdaptor;
 public class CoapTransportContext extends TransportContext {
 
     @Getter
-    @Value("${transport.coap.bind_address}")
-    private String host;
-
-    @Getter
-    @Value("${transport.coap.bind_port}")
-    private Integer port;
-
-    @Getter
-    @Value("${transport.coap.timeout}")
-    private Long timeout;
-
-    @Getter
-    @Autowired(required = false)
-    private TbCoapDtlsSettings dtlsSettings;
-
-    @Getter
     @Autowired
     private JsonCoapAdaptor jsonCoapAdaptor;
 

@@ -28,6 +28,8 @@ import org.eclipse.californium.core.server.resources.CoapExchange;
 import org.eclipse.californium.core.server.resources.Resource;
 import org.eclipse.californium.core.server.resources.ResourceObserver;
 import org.springframework.util.StringUtils;
+import org.thingsboard.server.coapserver.CoapServerService;
+import org.thingsboard.server.coapserver.TbCoapDtlsSessionInfo;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.DeviceTransportType;
@@ -74,12 +76,14 @@ public class CoapTransportResource extends AbstractCoapTransportResource {
     private final Set<UUID> attributeSubscriptions = ConcurrentHashMap.newKeySet();
 
     private ConcurrentMap<String, TbCoapDtlsSessionInfo> dtlsSessionIdMap;
+    private long timeout;
 
-    public CoapTransportResource(CoapTransportContext coapTransportContext, ConcurrentMap<String, TbCoapDtlsSessionInfo> dtlsSessionIdMap, String name) {
+    public CoapTransportResource(CoapTransportContext coapTransportContext, CoapServerService coapServerService, String name) {
         super(coapTransportContext, name);
         this.setObservable(true); // enable observing
         this.addObserver(new CoapResourceObserver());
-        this.dtlsSessionIdMap = dtlsSessionIdMap;
+        this.dtlsSessionIdMap = coapServerService.getDtlsSessionsMap();
+        this.timeout = coapServerService.getTimeout();
 //        this.setObservable(false); // disable observing
 //        this.setObserveType(CoAP.Type.CON); // configure the notification type to CONs
 //        this.getAttributes().setObservable(); // mark observable in the Link-Format
@@ -303,13 +307,13 @@ public class CoapTransportResource extends AbstractCoapTransportResource {
                             new CoapOkCallback(exchange, CoAP.ResponseCode.CREATED, CoAP.ResponseCode.INTERNAL_SERVER_ERROR));
                     break;
                 case TO_SERVER_RPC_REQUEST:
-                    transportService.registerSyncSession(sessionInfo, getCoapSessionListener(exchange, coapTransportAdaptor), transportContext.getTimeout());
+                    transportService.registerSyncSession(sessionInfo, getCoapSessionListener(exchange, coapTransportAdaptor), timeout);
                     transportService.process(sessionInfo,
                             coapTransportAdaptor.convertToServerRpcRequest(sessionId, request),
                             new CoapNoOpCallback(exchange));
                     break;
                 case GET_ATTRIBUTES_REQUEST:
-                    transportService.registerSyncSession(sessionInfo, getCoapSessionListener(exchange, coapTransportAdaptor), transportContext.getTimeout());
+                    transportService.registerSyncSession(sessionInfo, getCoapSessionListener(exchange, coapTransportAdaptor), timeout);
                     transportService.process(sessionInfo,
                             coapTransportAdaptor.convertToGetAttributes(sessionId, request),
                             new CoapNoOpCallback(exchange));

@@ -18,26 +18,15 @@ package org.thingsboard.server.transport.coap;
 import lombok.extern.slf4j.Slf4j;
 import org.eclipse.californium.core.CoapResource;
 import org.eclipse.californium.core.CoapServer;
-import org.eclipse.californium.core.network.CoapEndpoint;
-import org.eclipse.californium.core.network.config.NetworkConfig;
-import org.eclipse.californium.core.server.resources.Resource;
-import org.eclipse.californium.scandium.DTLSConnector;
-import org.eclipse.californium.scandium.config.DtlsConnectorConfig;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Service;
+import org.thingsboard.server.coapserver.CoapServerService;
 import org.thingsboard.server.transport.coap.efento.CoapEfentoTransportResource;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
-import java.util.Random;
-import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
 
 @Service("CoapTransportService")
 @ConditionalOnExpression("'${service.type:null}'=='tb-transport' || ('${service.type:null}'=='monolith' && '${transport.api_enabled:true}'=='true' && '${transport.coap.enabled}'=='true')")
@@ -50,87 +39,30 @@ public class CoapTransportService {
     private static final String MEASUREMENTS = "m";
 
     @Autowired
-    private CoapTransportContext coapTransportContext;
-
-    private TbCoapDtlsCertificateVerifier tbDtlsCertificateVerifier;
+    private CoapServerService coapServerService;
 
-    private CoapServer server;
+    @Autowired
+    private CoapTransportContext coapTransportContext;
 
-    private ScheduledExecutorService dtlsSessionsExecutor;
+    private CoapServer coapServer;
 
     @PostConstruct
     public void init() throws UnknownHostException {
         log.info("Starting CoAP transport...");
-        log.info("Starting CoAP transport server");
-
-        this.server = new CoapServer();
-
-        CoapEndpoint.Builder capEndpointBuilder = new CoapEndpoint.Builder();
-
-        if (isDtlsEnabled()) {
-            TbCoapDtlsSettings dtlsSettings = coapTransportContext.getDtlsSettings();
-            DtlsConnectorConfig dtlsConnectorConfig = dtlsSettings.dtlsConnectorConfig();
-            DTLSConnector connector = new DTLSConnector(dtlsConnectorConfig);
-            capEndpointBuilder.setConnector(connector);
-            if (dtlsConnectorConfig.isClientAuthenticationRequired()) {
-                tbDtlsCertificateVerifier = (TbCoapDtlsCertificateVerifier) dtlsConnectorConfig.getAdvancedCertificateVerifier();
-                dtlsSessionsExecutor = Executors.newSingleThreadScheduledExecutor();
-                dtlsSessionsExecutor.scheduleAtFixedRate(this::evictTimeoutSessions, new Random().nextInt((int) getDtlsSessionReportTimeout()), getDtlsSessionReportTimeout(), TimeUnit.MILLISECONDS);
-            }
-        } else {
-            InetAddress addr = InetAddress.getByName(coapTransportContext.getHost());
-            InetSocketAddress sockAddr = new InetSocketAddress(addr, coapTransportContext.getPort());
-            capEndpointBuilder.setInetSocketAddress(sockAddr);
-            capEndpointBuilder.setNetworkConfig(NetworkConfig.getStandard());
-        }
-        CoapEndpoint coapEndpoint = capEndpointBuilder.build();
-
-        server.addEndpoint(coapEndpoint);
-
-        createResources();
-        Resource root = this.server.getRoot();
-        TbCoapServerMessageDeliverer messageDeliverer = new TbCoapServerMessageDeliverer(root);
-        this.server.setMessageDeliverer(messageDeliverer);
-
-        server.start();
-        log.info("CoAP transport started!");
-    }
-
-    private void createResources() {
+        coapServer = coapServerService.getCoapServer();
         CoapResource api = new CoapResource(API);
-        api.add(new CoapTransportResource(coapTransportContext, getDtlsSessionsMap(), V1));
+        api.add(new CoapTransportResource(coapTransportContext, coapServerService, V1));
 
         CoapResource efento = new CoapResource(EFENTO);
         CoapEfentoTransportResource efentoMeasurementsTransportResource = new CoapEfentoTransportResource(coapTransportContext, MEASUREMENTS);
         efento.add(efentoMeasurementsTransportResource);
-
-        server.add(api);
-        server.add(efento);
-    }
-
-    private boolean isDtlsEnabled() {
-        return coapTransportContext.getDtlsSettings() != null;
-    }
-
-    private ConcurrentMap<String, TbCoapDtlsSessionInfo> getDtlsSessionsMap() {
-        return tbDtlsCertificateVerifier != null ? tbDtlsCertificateVerifier.getTbCoapDtlsSessionIdsMap() : null;
-    }
-
-    private void evictTimeoutSessions() {
-        tbDtlsCertificateVerifier.evictTimeoutSessions();
-    }
-
-    private long getDtlsSessionReportTimeout() {
-        return tbDtlsCertificateVerifier.getDtlsSessionReportTimeout();
+        coapServer.add(api);
+        coapServer.add(efento);
+        log.info("CoAP transport started!");
     }
 
     @PreDestroy
     public void shutdown() {
-        if (dtlsSessionsExecutor != null) {
-            dtlsSessionsExecutor.shutdownNow();
-        }
-        log.info("Stopping CoAP transport!");
-        this.server.destroy();
         log.info("CoAP transport stopped!");
     }
 }

@@ -55,7 +55,7 @@ import java.util.concurrent.TimeUnit;
  */
 @Slf4j
 @Component("MqttSslHandlerProvider")
-@ConditionalOnExpression("'${transport.type:null}'=='null' || ('${transport.type}'=='local' && '${transport.mqtt.enabled}'=='true')")
+@ConditionalOnExpression("'${transport.mqtt.enabled}'=='true'")
 @ConditionalOnProperty(prefix = "transport.mqtt.ssl", value = "enabled", havingValue = "true", matchIfMissing = false)
 public class MqttSslHandlerProvider {
 

@@ -934,6 +934,11 @@
                 <version>${project.version}</version>
             </dependency>
             <dependency>
+                <groupId>org.thingsboard.common</groupId>
+                <artifactId>coap-server</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+            <dependency>
                 <groupId>org.thingsboard</groupId>
                 <artifactId>tools</artifactId>
                 <version>${project.version}</version>

@@ -26,7 +26,7 @@ import java.util.Arrays;
 @SpringBootConfiguration
 @EnableAsync
 @EnableScheduling
-@ComponentScan({"org.thingsboard.server.coap", "org.thingsboard.server.common", "org.thingsboard.server.transport.coap", "org.thingsboard.server.queue"})
+@ComponentScan({"org.thingsboard.server.coap", "org.thingsboard.server.common", "org.thingsboard.server.coapserver", "org.thingsboard.server.transport.coap", "org.thingsboard.server.queue"})
 public class ThingsboardCoapTransportApplication {
 
     private static final String SPRING_CONFIG_NAME_KEY = "--spring.config.name";

@@ -49,6 +49,10 @@ transport:
     dtls:
       # Enable/disable DTLS 1.2 support
       enabled: "${COAP_DTLS_ENABLED:false}"
+      # CoAP DTLS bind address
+      bind_address: "${COAP_DTLS_BIND_ADDRESS:0.0.0.0}"
+      # CoAP DTLS bind port
+      bind_port: "${COAP_DTLS_BIND_PORT:5684}"
       # Secure mode. Allowed values: NO_AUTH, X509
       mode: "${COAP_DTLS_SECURE_MODE:NO_AUTH}"
       # Path to the key store that holds the certificate