Issue-ID: DCAEGEN2-1511 Restconfcollector Access Token Renewal

Signed-off-by: s00370346 <swarup.nayak1@huawei.com>
Change-Id: I1b344e734221038bf0b843543f9bf317e9bc09fd

3 files changed, 48 insertions, 5 deletions

diff --git a/src/main/java/org/onap/dcae/common/RestapiCallNode.java b/src/main/java/org/onap/dcae/common/RestapiCallNode.java
index 4d1a776..387fa98 100755
--- a/src/main/java/org/onap/dcae/common/RestapiCallNode.java
+++ b/src/main/java/org/onap/dcae/common/RestapiCallNode.java
@@ -368,7 +368,7 @@ public class RestapiCallNode {
 
         log.info("Sending request:");
         log.info(request);
-        log.info("URL: " + p.restapiUrl + " method " + p.httpMethod.toString() + " Custome headr " + p.customHttpHeaders);
+        log.info("URL: " + p.restapiUrl + " method " + p.httpMethod.toString() + " Custom header " + p.customHttpHeaders);
 
         long t1 = System.currentTimeMillis();
 
diff --git a/src/main/java/org/onap/dcae/controller/AccessController.java b/src/main/java/org/onap/dcae/controller/AccessController.java
index b82b757..daf6237 100644
--- a/src/main/java/org/onap/dcae/controller/AccessController.java
+++ b/src/main/java/org/onap/dcae/controller/AccessController.java
@@ -19,6 +19,9 @@
  */
 package org.onap.dcae.controller;
 
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
 import org.json.JSONArray;
 import org.json.JSONObject;
 import org.onap.dcae.ApplicationException;
@@ -59,6 +62,10 @@ public class AccessController {
 
     ControllerActivationState state;
 
+    private static ScheduledFuture<?> accesstokenRenewal;
+    private static ScheduledThreadPoolExecutor scheduledThreadPoolExecutor;
+
+
     public AccessController(JSONObject controller,
             ApplicationSettings properties) {
         this.cfgInfo = new ControllerConfigInfo.ControllerConfigInfoBuilder()
@@ -79,7 +86,7 @@ public class AccessController {
         this.paraMap = new HashMap<>();
         this.state = ControllerActivationState.INIT;
         prepareControllerParamMap();
-
+        this.scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(1);
         log.info("AccesController Created {} {} {} {} {} {}", this.cfgInfo.getController_name(),
                 this.cfgInfo.getController_restapiUrl(), this.cfgInfo.getController_restapiPassword(),
                 this.cfgInfo.getController_restapiUser(), this.cfgInfo.getController_accessTokenUrl(),
@@ -153,7 +160,11 @@ public class AccessController {
 
     public void activate() {
         fetchTokenId();
-
+        AccessTokenRenewalTask task = new AccessTokenRenewalTask();
+        accesstokenRenewal = scheduledThreadPoolExecutor.scheduleAtFixedRate(task,
+                5,
+                10,
+                TimeUnit.MINUTES);
         if (getState() == ControllerActivationState.ACTIVE) {
             printControllerParamMap();
             /* Create eventlist from properties */
@@ -270,4 +281,17 @@ public class AccessController {
             log.info(name + " : " + value);
         }
     }
+
+    private class AccessTokenRenewalTask implements Runnable
+    {
+        public AccessTokenRenewalTask() {
+        }
+
+        @Override
+        public void run()
+        {
+            /* Renew token Id */
+            fetchTokenId();
+        }
+    }
 }
diff --git a/src/main/java/org/onap/dcae/controller/PersistentEventConnection.java b/src/main/java/org/onap/dcae/controller/PersistentEventConnection.java
index 391da76..48d5448 100644
--- a/src/main/java/org/onap/dcae/controller/PersistentEventConnection.java
+++ b/src/main/java/org/onap/dcae/controller/PersistentEventConnection.java
@@ -20,8 +20,13 @@
 
 package org.onap.dcae.controller;
 
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import org.glassfish.jersey.media.sse.EventSource;
 import org.glassfish.jersey.media.sse.SseFeature;
+import org.json.JSONArray;
+import org.json.JSONObject;
 import org.onap.dcae.common.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -187,8 +192,13 @@ public class PersistentEventConnection implements Runnable {
 
             parentCtrllr.getRestApiCallNode().sendRequest(eventParaMap, ctx, null);
         } catch (Exception e) {
-            log.error("Exception occured!", e);
-            Thread.currentThread().interrupt();
+            log.error("Failed to receive sbscription notiication, trying again", e);
+            try {
+                parentCtrllr.getRestApiCallNode().sendRequest(eventParaMap, ctx, null);
+            }catch (Exception ex){
+                log.error("Exception occured again! Trying again", e);
+                Thread.currentThread().interrupt();
+            }
         }
 
         /* Retrieve url from result and construct SSE url */
@@ -222,6 +232,7 @@ public class PersistentEventConnection implements Runnable {
         eventSource.register(new DataChangeEventListener(this));
         eventSource.open();
         log.info("Connected to SSE source");
+
         while (running) {
             try {
                 log.info("SSE state " + eventSource.isOpen());
@@ -302,4 +313,12 @@ public class PersistentEventConnection implements Runnable {
             log.info(name + " : " + value);
         }
     }
+
+    public Map<String, String> getEventParaMap() {
+        return eventParaMap;
+    }
+
+    public RestConfContext getCtx() {
+        return ctx;
+    }
 }