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Initial source code
[oam/tr069-adapter.git] / acs / requestprocessor / src / main / java / org / commscope / tr069adapter / acs / requestprocessor / TR069DeviceEventHandlerImpl.java
diff --git a/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/TR069DeviceEventHandlerImpl.java b/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/TR069DeviceEventHandlerImpl.java
new file mode 100644 (file)
index 0000000..0936fcd
--- /dev/null
+++ b/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/TR069DeviceEventHandlerImpl.java
@@ -0,0 +1,212 @@
+/*\r
+ * ============LICENSE_START========================================================================\r
+ * ONAP : tr-069-adapter\r
+ * =================================================================================================\r
+ * Copyright (C) 2020 CommScope Inc Intellectual Property.\r
+ * =================================================================================================\r
+ * This tr-069-adapter software file is distributed by CommScope Inc under the Apache License,\r
+ * Version 2.0 (the "License"); you may not use this file except in compliance with the License. You\r
+ * may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,\r
+ * either express or implied. See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ * ===============LICENSE_END=======================================================================\r
+ */\r
+\r
+package org.commscope.tr069adapter.acs.requestprocessor;\r
+\r
+import static org.commscope.tr069adapter.acs.common.utils.AcsConstants.*;\r
+\r
+import org.commscope.tr069adapter.acs.common.DeviceInform;\r
+import org.commscope.tr069adapter.acs.common.DeviceRPCRequest;\r
+import org.commscope.tr069adapter.acs.common.DeviceRPCResponse;\r
+import org.commscope.tr069adapter.acs.common.dto.DeviceOperationRequestDetails;\r
+import org.commscope.tr069adapter.acs.common.dto.TR069DeviceDetails;\r
+import org.commscope.tr069adapter.acs.common.exception.DeviceOperationException;\r
+import org.commscope.tr069adapter.acs.common.exception.SessionConcurrentAccessException;\r
+import org.commscope.tr069adapter.acs.common.exception.SessionManagerException;\r
+import org.commscope.tr069adapter.acs.common.requestprocessor.service.TR069DeviceEventHandler;\r
+import org.commscope.tr069adapter.acs.common.response.DeviceInformResponse;\r
+import org.commscope.tr069adapter.acs.requestprocessor.impl.TR069RequestProcessEngine;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+import org.slf4j.MDC;\r
+import org.springframework.beans.factory.annotation.Autowired;\r
+import org.springframework.stereotype.Component;\r
+import org.springframework.transaction.annotation.Isolation;\r
+import org.springframework.transaction.annotation.Propagation;\r
+import org.springframework.transaction.annotation.Transactional;\r
+\r
+@Component\r
+public class TR069DeviceEventHandlerImpl implements TR069DeviceEventHandler {\r
+\r
+  private static final String RETRY_LIMIT_REACHED_AND_FAILING_THE_DEVICE_UNREGISTER_REQUEST =\r
+      "Retry limit reached and failing the device unregister request";\r
+\r
+  private static final Logger logger = LoggerFactory.getLogger(TR069DeviceEventHandlerImpl.class);\r
+\r
+  private static final String CLIENT_STR = "client";\r
+\r
+  @Autowired\r
+  private TR069RequestProcessEngine tr069RequestProcessEngine;\r
+\r
+  public TR069RequestProcessEngine getProcessEngine() {\r
+    return tr069RequestProcessEngine;\r
+  }\r
+\r
+  public void setProcessEngine(TR069RequestProcessEngine processEngine) {\r
+    this.tr069RequestProcessEngine = processEngine;\r
+  }\r
+\r
+  @Override\r
+  @Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED, timeout = 300,\r
+      rollbackFor = RuntimeException.class)\r
+  public DeviceInformResponse processDeviceInform(final DeviceInform deviceNotification)\r
+      throws Exception {\r
+    DeviceInformResponse deviceNotificationResponse = null;\r
+    try {\r
+      String deviceId = deviceNotification.getDeviceDetails().getDeviceId();\r
+      MDC.put(CLIENT_STR, deviceId);\r
+      deviceNotificationResponse =\r
+          processDeviceInformWithRetryOnConcurrentAccess(deviceNotification);\r
+    } finally {\r
+      MDC.remove(CLIENT_STR);\r
+    }\r
+\r
+    return deviceNotificationResponse;\r
+  }\r
+\r
+  @Override\r
+  @Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED, timeout = 300,\r
+      rollbackFor = RuntimeException.class)\r
+  public DeviceRPCRequest processDeviceRPCResponse(DeviceRPCResponse operationResult)\r
+      throws Exception {\r
+    DeviceRPCRequest deviceRPCRequest = null;\r
+    try {\r
+      String deviceId = operationResult.getDeviceDetails().getDeviceId();\r
+      MDC.put(CLIENT_STR, deviceId);\r
+      deviceRPCRequest = processDeviceRPCResponseWithRetryOnConcurrentAccess(operationResult);\r
+    } finally {\r
+      MDC.remove(CLIENT_STR);\r
+    }\r
+    return deviceRPCRequest;\r
+  }\r
+\r
+  @Override\r
+  @Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED, timeout = 300,\r
+      rollbackFor = RuntimeException.class)\r
+  public DeviceRPCRequest processEmptyDeviceRequest(TR069DeviceDetails deviceDetails)\r
+      throws Exception {\r
+    DeviceRPCRequest deviceRPCRequest = null;\r
+    try {\r
+      String deviceId = deviceDetails.getDeviceId();\r
+      MDC.put(CLIENT_STR, deviceId);\r
+      deviceRPCRequest = processEmptyDeviceRequestWithRetryOnConcurrentAccess(deviceDetails);\r
+    } finally {\r
+      MDC.remove(CLIENT_STR);\r
+    }\r
+    return deviceRPCRequest;\r
+  }\r
+\r
+  @Override\r
+  @Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED, timeout = 300,\r
+      rollbackFor = RuntimeException.class)\r
+  public DeviceOperationRequestDetails getOpRequestDetailsBySessionId(String sessionId)\r
+      throws SessionManagerException {\r
+    return tr069RequestProcessEngine.getOpRequestDetailsBySessionId(sessionId);\r
+  }\r
+\r
+  @Override\r
+  @Transactional(isolation = Isolation.DEFAULT, propagation = Propagation.REQUIRED, timeout = 300,\r
+      rollbackFor = RuntimeException.class)\r
+  public TR069DeviceDetails getDeviceDetails(String deviceId) throws DeviceOperationException {\r
+    return tr069RequestProcessEngine.getDeviceDetails(deviceId);\r
+  }\r
+\r
+  /**\r
+   * @param deviceNotification\r
+   * @return\r
+   * @throws InterruptedException\r
+   */\r
+  private DeviceInformResponse processDeviceInformWithRetryOnConcurrentAccess(\r
+      DeviceInform deviceNotification)\r
+      throws SessionConcurrentAccessException, InterruptedException {\r
+    logger.debug("Processing Device Inform Event");\r
+    DeviceInformResponse deviceNotificationResponse = null;\r
+    for (int i = 0; i < MAX_RETRY_LIMIT; i++) {\r
+      try {\r
+        deviceNotificationResponse =\r
+            tr069RequestProcessEngine.processDeviceInform(deviceNotification);\r
+        logger.debug("Successfully processed Device Inform Event");\r
+        break;\r
+      } catch (SessionConcurrentAccessException scae) {\r
+        if ((i + 1) == MAX_RETRY_LIMIT) {\r
+          logger.error(RETRY_LIMIT_REACHED_AND_FAILING_THE_DEVICE_UNREGISTER_REQUEST);\r
+          throw scae;\r
+        }\r
+        Long delay = (i == 0) ? DELAY : DELAY * i;\r
+        Thread.sleep(delay);\r
+      }\r
+    }\r
+    return deviceNotificationResponse;\r
+  }\r
+\r
+  /**\r
+   * @param operationResult\r
+   * @return\r
+   * @throws InterruptedException\r
+   * @throws Exception\r
+   */\r
+  private DeviceRPCRequest processDeviceRPCResponseWithRetryOnConcurrentAccess(\r
+      DeviceRPCResponse operationResult)\r
+      throws SessionConcurrentAccessException, InterruptedException {\r
+    DeviceRPCRequest deviceRPCRequest = null;\r
+    logger.debug("Processing Device operation response");\r
+    for (int i = 0; i < MAX_RETRY_LIMIT; i++) {\r
+      try {\r
+        deviceRPCRequest = tr069RequestProcessEngine.processDeviceRPCResponse(operationResult);\r
+        logger.debug("Successfully processed Device operation response");\r
+        break;\r
+      } catch (SessionConcurrentAccessException scae) {\r
+        if ((i + 1) == MAX_RETRY_LIMIT) {\r
+          logger.error(RETRY_LIMIT_REACHED_AND_FAILING_THE_DEVICE_UNREGISTER_REQUEST);\r
+          throw scae;\r
+        }\r
+        Long delay = (i == 0) ? DELAY : DELAY * i;\r
+        Thread.sleep(delay);\r
+      }\r
+    }\r
+    return deviceRPCRequest;\r
+  }\r
+\r
+  /**\r
+   * @param deviceDetails\r
+   * @return\r
+   * @throws InterruptedException\r
+   * @throws Exception\r
+   */\r
+  private DeviceRPCRequest processEmptyDeviceRequestWithRetryOnConcurrentAccess(\r
+      TR069DeviceDetails deviceDetails)\r
+      throws SessionConcurrentAccessException, InterruptedException {\r
+    DeviceRPCRequest deviceRPCRequest = null;\r
+    logger.debug("Processing Empty request");\r
+    for (int i = 0; i < MAX_RETRY_LIMIT; i++) {\r
+      try {\r
+        deviceRPCRequest = tr069RequestProcessEngine.processEmptyDeviceRequest(deviceDetails);\r
+        logger.debug("Successfully processed Empty request");\r
+        break;\r
+      } catch (SessionConcurrentAccessException scae) {\r
+        if ((i + 1) == MAX_RETRY_LIMIT) {\r
+          logger.error(RETRY_LIMIT_REACHED_AND_FAILING_THE_DEVICE_UNREGISTER_REQUEST);\r
+          throw scae;\r
+        }\r
+        Long delay = (i == 0) ? DELAY : DELAY * i;\r
+        Thread.sleep(delay);\r
+      }\r
+    }\r
+    return deviceRPCRequest;\r
+  }\r
+}\r
"oam_tr069_adapter"