Initial source code

[oam/tr069-adapter.git] / mapper / src / main / java / org / commscope / tr069adapter / mapper / sync / SynchronizedRequestHandler.java

diff --git a/mapper/src/main/java/org/commscope/tr069adapter/mapper/sync/SynchronizedRequestHandler.java b/mapper/src/main/java/org/commscope/tr069adapter/mapper/sync/SynchronizedRequestHandler.java
new file mode 100644 (file)
index 0000000..6f86543
--- /dev/null
+++ b/mapper/src/main/java/org/commscope/tr069adapter/mapper/sync/SynchronizedRequestHandler.java
@@ -0,0 +1,100 @@
+/*\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.mapper.sync;\r
+\r
+import java.util.HashMap;\r
+import java.util.Map;\r
+import java.util.concurrent.Semaphore;\r
+import java.util.concurrent.TimeUnit;\r
+\r
+import org.commscope.tr069adapter.acs.common.DeviceRPCRequest;\r
+import org.commscope.tr069adapter.acs.common.DeviceRPCResponse;\r
+import org.commscope.tr069adapter.mapper.MapperConfigProperties;\r
+import org.commscope.tr069adapter.mapper.acs.ACSRequestSender;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+import org.springframework.beans.factory.annotation.Autowired;\r
+import org.springframework.stereotype.Component;\r
+\r
+@Component\r
+public class SynchronizedRequestHandler {\r
+\r
+  private static final Logger LOG = LoggerFactory.getLogger(SynchronizedRequestHandler.class);\r
+\r
+  private static Map<Long, DeviceRPCResponse> opResultMap = new HashMap<>();\r
+  private static Map<Long, Semaphore> semaphoreMap = new HashMap<>();\r
+\r
+  @Autowired\r
+  ACSRequestSender tr069RequestSender;\r
+\r
+  @Autowired\r
+  MapperConfigProperties config;\r
+\r
+  public DeviceRPCResponse performDeviceOperation(DeviceRPCRequest deviceRPCRequest) {\r
+    Long opId = tr069RequestSender.sendRequest(deviceRPCRequest);\r
+    if (null == opId) {\r
+      LOG.error("Request could not be sent. opId is null");\r
+      return null;\r
+    }\r
+    boolean isSuccess = false;\r
+    try {\r
+      isSuccess = waitForResult(opId);\r
+    } catch (InterruptedException e) {\r
+      LOG.debug(\r
+          "InterruptedException while waiting for tr069 operation result for operation request {}",\r
+          deviceRPCRequest);\r
+      LOG.error("Exception : {}", e.getMessage());\r
+      Thread.currentThread().interrupt();\r
+    }\r
+    DeviceRPCResponse result = null;\r
+    if (!isSuccess) {\r
+      LOG.error("Request got timed out.");\r
+    } else {\r
+      result = getOperationResult(opId);\r
+      LOG.debug("Received operation result for opId = {} GET-CONFIG : {}", opId, result);\r
+\r
+    }\r
+    return result;\r
+\r
+  }\r
+\r
+  public void notifyResult(DeviceRPCResponse opResult) {\r
+    opResultMap.put(opResult.getOperationId(), opResult);\r
+    Semaphore mutex = semaphoreMap.remove(opResult.getOperationId());\r
+    mutex.release();\r
+  }\r
+\r
+  private DeviceRPCResponse getOperationResult(long opId) {\r
+    return opResultMap.remove(opId);\r
+  }\r
+\r
+  private boolean waitForResult(long opId) throws InterruptedException {\r
+    LOG.debug("Waiting for operation result for opId : {}", opId);\r
+    Semaphore semaphore = new Semaphore(0);\r
+    semaphoreMap.put(opId, semaphore);\r
+    LOG.debug("Semaphore MAP size = {}", semaphoreMap.size());\r
+    LOG.debug("opResultMap MAP size = {}", opResultMap.size());\r
+    Integer timeout = 0;\r
+    if (null != config.getRequesTimeout()) {\r
+      timeout = Integer.valueOf(config.getRequesTimeout());\r
+    }\r
+    return semaphore.tryAcquire(timeout, TimeUnit.SECONDS);\r
+  }\r
+\r
+}\r