From 14502d5e569f8460d3e2c973a4277441307433cc Mon Sep 17 00:00:00 2001
From: zsxwing <zsxwing@gmail.com>
Date: Wed, 6 May 2015 18:07:00 -0700
Subject: [PATCH] [SPARK-7405] [STREAMING] Fix the bug that
 ReceiverInputDStream doesn't report InputInfo

The bug is because SPARK-7139 removed some codes from SPARK-7112 unintentionally here: https://github.com/apache/spark/commit/1854ac326a9cc6014817d8df30ed0458eee5d7d1#diff-5c8651dd78abd20439b8eb938175075dL72

This PR just added them back and added some assertions in the tests to verify it.

Author: zsxwing <zsxwing@gmail.com>

Closes #5950 from zsxwing/SPARK-7405 and squashes the following commits:

675f5d9 [zsxwing] Fix the bug that ReceiverInputDStream doesn't report InputInfo
---
 .../spark/streaming/dstream/ReceiverInputDStream.scala     | 5 +++++
 .../org/apache/spark/streaming/InputStreamsSuite.scala     | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/streaming/src/main/scala/org/apache/spark/streaming/dstream/ReceiverInputDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/dstream/ReceiverInputDStream.scala
index 15d9710d37..5cfe43a1ce 100644
--- a/streaming/src/main/scala/org/apache/spark/streaming/dstream/ReceiverInputDStream.scala
+++ b/streaming/src/main/scala/org/apache/spark/streaming/dstream/ReceiverInputDStream.scala
@@ -24,6 +24,7 @@ import org.apache.spark.storage.BlockId
 import org.apache.spark.streaming._
 import org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDD
 import org.apache.spark.streaming.receiver.Receiver
+import org.apache.spark.streaming.scheduler.InputInfo
 import org.apache.spark.streaming.util.WriteAheadLogUtils
 
 /**
@@ -68,6 +69,10 @@ abstract class ReceiverInputDStream[T: ClassTag](@transient ssc_ : StreamingCont
         val blockInfos = receiverTracker.getBlocksOfBatch(validTime).getOrElse(id, Seq.empty)
         val blockIds = blockInfos.map { _.blockId.asInstanceOf[BlockId] }.toArray
 
+        // Register the input blocks information into InputInfoTracker
+        val inputInfo = InputInfo(id, blockInfos.map(_.numRecords).sum)
+        ssc.scheduler.inputInfoTracker.reportInfo(validTime, inputInfo)
+
         // Are WAL record handles present with all the blocks
         val areWALRecordHandlesPresent = blockInfos.forall { _.walRecordHandleOption.nonEmpty }
 
diff --git a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
index 6074532502..93e6b0cd7c 100644
--- a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
+++ b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala
@@ -50,6 +50,8 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter {
 
       // Set up the streaming context and input streams
       withStreamingContext(new StreamingContext(conf, batchDuration)) { ssc =>
+        ssc.addStreamingListener(ssc.progressListener)
+
         val input = Seq(1, 2, 3, 4, 5)
         // Use "batchCount" to make sure we check the result after all batches finish
         val batchCounter = new BatchCounter(ssc)
@@ -72,6 +74,11 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter {
         if (!batchCounter.waitUntilBatchesCompleted(input.size, 30000)) {
           fail("Timeout: cannot finish all batches in 30 seconds")
         }
+
+        // Verify all "InputInfo"s have been reported
+        assert(ssc.progressListener.numTotalReceivedRecords === input.size)
+        assert(ssc.progressListener.numTotalProcessedRecords === input.size)
+
         logInfo("Stopping server")
         testServer.stop()
         logInfo("Stopping context")
-- 
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