From c4fb45d7c7a226a26ac74c705cdd27a9545f72a6 Mon Sep 17 00:00:00 2001
From: Mahesh Kumar Gangula <mahesh@ilimi.in>
Date: Mon, 11 Jun 2018 13:11:44 +0530
Subject: [PATCH] Issue #000 fix: threaddump api.

---
 .../app/controllers/ThreadDumpController.java | 51 +++++++++++++++++++
 service/conf/routes                           |  1 +
 2 files changed, 52 insertions(+)
 create mode 100644 service/app/controllers/ThreadDumpController.java

diff --git a/service/app/controllers/ThreadDumpController.java b/service/app/controllers/ThreadDumpController.java
new file mode 100644
index 0000000000..c6f6a75c83
--- /dev/null
+++ b/service/app/controllers/ThreadDumpController.java
@@ -0,0 +1,51 @@
+package controllers;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.ThreadInfo;
+import java.lang.management.ThreadMXBean;
+
+import org.sunbird.actor.router.BackgroundRequestRouter;
+import org.sunbird.actor.service.SunbirdMWService;
+import org.sunbird.common.request.Request;
+
+import play.libs.F.Promise;
+import play.mvc.Result;
+
+/**
+ * 
+ * @author Mahesh Kumar Gangula
+ *
+ */
+
+public class ThreadDumpController extends BaseController {
+	
+	public Promise<Result> threaddump() {
+		final StringBuilder dump = new StringBuilder();
+        final ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
+        final ThreadInfo[] threadInfos = threadMXBean.getThreadInfo(threadMXBean.getAllThreadIds(), 100);
+        for (ThreadInfo threadInfo : threadInfos) {
+            dump.append('"');
+            dump.append(threadInfo.getThreadName());
+            dump.append("\" ");
+            final Thread.State state = threadInfo.getThreadState();
+            dump.append("\n   java.lang.Thread.State: ");
+            dump.append(state);
+            final StackTraceElement[] stackTraceElements = threadInfo.getStackTrace();
+            for (final StackTraceElement stackTraceElement : stackTraceElements) {
+                dump.append("\n        at ");
+                dump.append(stackTraceElement);
+            }
+            dump.append("\n\n");
+        }
+        System.out.println("=== thread-dump start ===");
+        System.out.println(dump.toString());
+        System.out.println("=== thread-dump end ===");
+        Request request = new Request();
+        request.setOperation("takeThreadDump");
+        request.setEnv(getEnvironment());
+        if ("off".equalsIgnoreCase(BackgroundRequestRouter.getMode())) {
+        		actorResponseHandler(SunbirdMWService.getBackgroundRequestRouter(), request, timeout, null, request());
+        }
+        return Promise.promise(() -> ok("successful"));
+	}
+} 
\ No newline at end of file
diff --git a/service/conf/routes b/service/conf/routes
index 7f8fb1c870..4e09a4b332 100644
--- a/service/conf/routes
+++ b/service/conf/routes
@@ -87,6 +87,7 @@ GET    /v1/user/retire							@controllers.LearnerController.getHealth()
 GET   /v1/org/member/suspend					@controllers.LearnerController.getHealth()
 POST  /v1/org/search							@controllers.organisationmanagement.OrganisationController.search()
 GET   /health									@controllers.healthmanager.HealthController.getHealth()
+GET /threaddump									@controllers.ThreadDumpController.threaddump()
 
 #bulk upload