Fetch LwM2M device profile when restart

@@ -78,7 +78,7 @@ public class LwM2MTransportServerConfig implements LwM2MSecureServerConfig {
 
     @Getter
     @Value("${transport.lwm2m.security.key_store:}")
-    private String keyStorePathFile;
+    private String keyStoreFilePath;
 
     @Getter
     @Setter
@@ -141,14 +141,27 @@ public class LwM2MTransportServerConfig implements LwM2MSecureServerConfig {
     public void init() {
         URI uri = null;
         try {
-            uri = Resources.getResource(keyStorePathFile).toURI();
-            log.info("URI: {}", uri);
-            File keyStoreFile = new File(uri);
-            InputStream inKeyStore = new FileInputStream(keyStoreFile);
+            InputStream keyStoreInputStream;
+            File keyStoreFile = new File(keyStoreFilePath);
+            if (keyStoreFile.exists()) {
+                log.info("Reading key store from file {}", keyStoreFilePath);
+                keyStoreInputStream = new FileInputStream(keyStoreFile);
+            } else {
+                InputStream classPathStream = this.getClass().getClassLoader().getResourceAsStream(keyStoreFilePath);
+                if (classPathStream != null) {
+                    log.info("Reading key store from class path {}", keyStoreFilePath);
+                    keyStoreInputStream = classPathStream;
+                } else {
+                    uri = Resources.getResource(keyStoreFilePath).toURI();
+                    log.info("Reading key store from URI {}", keyStoreFilePath);
+                    keyStoreInputStream = new FileInputStream(new File(uri));
+                }
+            }
             keyStoreValue = KeyStore.getInstance(keyStoreType);
-            keyStoreValue.load(inKeyStore, keyStorePassword == null ? null : keyStorePassword.toCharArray());
+            keyStoreValue.load(keyStoreInputStream, keyStorePassword == null ? null : keyStorePassword.toCharArray());
         } catch (Exception e) {
-            log.info("Unable to lookup LwM2M keystore. Reason: {}, {}" , uri, e.getMessage());
+            log.info("Unable to lookup LwM2M keystore. Reason: {}, {}", uri, e.getMessage());
         }
     }
+
 }

@@ -24,6 +24,8 @@ import org.eclipse.leshan.server.registration.Registration;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.device.profile.Lwm2mDeviceProfileTransportConfiguration;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
+import org.thingsboard.server.common.transport.TransportDeviceProfileCache;
 import org.thingsboard.server.common.transport.TransportService;
 import org.thingsboard.server.common.transport.auth.ValidateDeviceCredentialsResponse;
 import org.thingsboard.server.gen.transport.TransportProtos;
@@ -61,6 +63,7 @@ public class LwM2mClientContextImpl implements LwM2mClientContext {
     private final TbMainSecurityStore securityStore;
     private final TbLwM2MClientStore clientStore;
     private final LwM2MSessionManager sessionManager;
+    private final TransportDeviceProfileCache deviceProfileCache;
     private final Map<String, LwM2mClient> lwM2mClientsByEndpoint = new ConcurrentHashMap<>();
     private final Map<String, LwM2mClient> lwM2mClientsByRegistrationId = new ConcurrentHashMap<>();
     private final Map<UUID, Lwm2mDeviceProfileTransportConfiguration> profiles = new ConcurrentHashMap<>();
@@ -231,12 +234,26 @@ public class LwM2mClientContextImpl implements LwM2mClientContext {
 
     @Override
     public Lwm2mDeviceProfileTransportConfiguration getProfile(UUID profileId) {
-        return profiles.get(profileId);
+        return doGetAndCache(profileId);
     }
 
     @Override
     public Lwm2mDeviceProfileTransportConfiguration getProfile(Registration registration) {
-        return profiles.get(getClientByEndpoint(registration.getEndpoint()).getProfileId());
+        UUID profileId = getClientByEndpoint(registration.getEndpoint()).getProfileId();
+        Lwm2mDeviceProfileTransportConfiguration result = doGetAndCache(profileId);
+        if (result == null) {
+            log.debug("[{}] Fetching profile [{}]", registration.getEndpoint(), profileId);
+            DeviceProfile deviceProfile = deviceProfileCache.get(new DeviceProfileId(profileId));
+            if (deviceProfile != null) {
+                profileUpdate(deviceProfile);
+                result = doGetAndCache(profileId);
+            }
+        }
+        return result;
+    }
+
+    private Lwm2mDeviceProfileTransportConfiguration doGetAndCache(UUID profileId) {
+        return profiles.get(profileId);
     }
 
     @Override

@@ -46,7 +46,7 @@ public class TbLwM2mRedisSecurityStore implements TbEditableSecurityStore {
             lock = redisLock.obtain(toLockKey(endpoint));
             lock.lock();
             byte[] data = connection.get((SEC_EP + endpoint).getBytes());
-            if (data == null) {
+            if (data == null || data.length == 0) {
                 return null;
             } else {
                 return ((TbLwM2MSecurityInfo) serializer.asObject(data)).getSecurityInfo();
@@ -69,7 +69,7 @@ public class TbLwM2mRedisSecurityStore implements TbEditableSecurityStore {
                 return null;
             } else {
                 byte[] data = connection.get((SEC_EP + new String(ep)).getBytes());
-                if (data == null) {
+                if (data == null || data.length == 0) {
                     return null;
                 } else {
                     return ((TbLwM2MSecurityInfo) serializer.asObject(data)).getSecurityInfo();
@@ -122,7 +122,11 @@ public class TbLwM2mRedisSecurityStore implements TbEditableSecurityStore {
             lock = redisLock.obtain(endpoint);
             lock.lock();
             byte[] data = connection.get((SEC_EP + endpoint).getBytes());
-            return (TbLwM2MSecurityInfo) serializer.asObject(data);
+            if (data != null && data.length > 0) {
+                return (TbLwM2MSecurityInfo) serializer.asObject(data);
+            } else {
+                return null;
+            }
         } finally {
             if (lock != null) {
                 lock.unlock();
@@ -137,7 +141,7 @@ public class TbLwM2mRedisSecurityStore implements TbEditableSecurityStore {
             lock = redisLock.obtain(endpoint);
             lock.lock();
             byte[] data = connection.get((SEC_EP + endpoint).getBytes());
-            if (data != null) {
+            if (data != null && data.length > 0) {
                 SecurityInfo info = ((TbLwM2MSecurityInfo) serializer.asObject(data)).getSecurityInfo();
                 if (info != null && info.getIdentity() != null) {
                     connection.hDel(PSKID_SEC.getBytes(), info.getIdentity().getBytes());

@@ -321,20 +321,28 @@ public class DefaultLwM2MUplinkMsgHandler extends LwM2MExecutorAwareService impl
      */
     @Override
     public void onDeviceProfileUpdate(SessionInfoProto sessionInfo, DeviceProfile deviceProfile) {
-        List<LwM2mClient> clients = clientContext.getLwM2mClients()
-                .stream().filter(e -> e.getProfileId().equals(deviceProfile.getUuidId())).collect(Collectors.toList());
-        clients.forEach(client -> client.onDeviceProfileUpdate(deviceProfile));
-        if (clients.size() > 0) {
-            this.onDeviceProfileUpdate(clients, deviceProfile);
+        try {
+            List<LwM2mClient> clients = clientContext.getLwM2mClients()
+                    .stream().filter(e -> e.getProfileId() != null)
+                    .filter(e -> e.getProfileId().equals(deviceProfile.getUuidId())).collect(Collectors.toList());
+            clients.forEach(client -> client.onDeviceProfileUpdate(deviceProfile));
+            if (clients.size() > 0) {
+                this.onDeviceProfileUpdate(clients, deviceProfile);
+            }
+        } catch (Exception e) {
+            log.warn("[{}] failed to update profile: {}", deviceProfile.getId(), deviceProfile);
         }
     }
 
     @Override
     public void onDeviceUpdate(SessionInfoProto sessionInfo, Device device, Optional<DeviceProfile> deviceProfileOpt) {
-        //TODO: check, maybe device has multiple sessions/registrations? Is this possible according to the standard.
-        LwM2mClient client = clientContext.getClientByDeviceId(device.getUuidId());
-        if (client != null) {
-            this.onDeviceUpdate(client, device, deviceProfileOpt);
+        try {
+            LwM2mClient client = clientContext.getClientByDeviceId(device.getUuidId());
+            if (client != null) {
+                this.onDeviceUpdate(client, device, deviceProfileOpt);
+            }
+        } catch (Exception e) {
+            log.warn("[{}] failed to update device: {}", device.getId(), device);
         }
     }
 

@@ -210,7 +210,6 @@ public class DefaultTransportService implements TransportService {
                     }
                     records.forEach(record -> {
                         try {
-                            log.info("[{}] SessionIdMSB, [{}] SessionIdLSB, records", record.getValue().getSessionIdMSB(), record.getValue().getSessionIdLSB());
                             processToTransportMsg(record.getValue());
                         } catch (Throwable e) {
                             log.warn("Failed to process the notification.", e);
@@ -771,6 +770,7 @@ public class DefaultTransportService implements TransportService {
         UUID sessionId = new UUID(toSessionMsg.getSessionIdMSB(), toSessionMsg.getSessionIdLSB());
         SessionMetaData md = sessions.get(sessionId);
         if (md != null) {
+            log.trace("[{}] Processing notification: {}", sessionId, toSessionMsg);
             SessionMsgListener listener = md.getListener();
             transportCallbackExecutor.submit(() -> {
                 if (toSessionMsg.hasGetAttributesResponse()) {
@@ -798,12 +798,14 @@ public class DefaultTransportService implements TransportService {
                 deregisterSession(md.getSessionInfo());
             }
         } else {
+            log.trace("Processing broadcast notification: {}", toSessionMsg);
             if (toSessionMsg.hasEntityUpdateMsg()) {
                 TransportProtos.EntityUpdateMsg msg = toSessionMsg.getEntityUpdateMsg();
                 EntityType entityType = EntityType.valueOf(msg.getEntityType());
                 if (EntityType.DEVICE_PROFILE.equals(entityType)) {
                     DeviceProfile deviceProfile = deviceProfileCache.put(msg.getData());
                     if (deviceProfile != null) {
+                        log.info("On device profile update: {}", deviceProfile);
                         onProfileUpdate(deviceProfile);
                     }
                 } else if (EntityType.TENANT_PROFILE.equals(entityType)) {