diff options
Diffstat (limited to 'streaming/src/main/scala/org/apache/spark/status/api/v1/streaming/AllReceiversResource.scala')
-rw-r--r-- | streaming/src/main/scala/org/apache/spark/status/api/v1/streaming/AllReceiversResource.scala | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/streaming/src/main/scala/org/apache/spark/status/api/v1/streaming/AllReceiversResource.scala b/streaming/src/main/scala/org/apache/spark/status/api/v1/streaming/AllReceiversResource.scala new file mode 100644 index 0000000000..5a276a9236 --- /dev/null +++ b/streaming/src/main/scala/org/apache/spark/status/api/v1/streaming/AllReceiversResource.scala @@ -0,0 +1,76 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.status.api.v1.streaming + +import java.util.Date +import javax.ws.rs.{GET, Produces} +import javax.ws.rs.core.MediaType + +import org.apache.spark.status.api.v1.streaming.AllReceiversResource._ +import org.apache.spark.streaming.ui.StreamingJobProgressListener + +@Produces(Array(MediaType.APPLICATION_JSON)) +private[v1] class AllReceiversResource(listener: StreamingJobProgressListener) { + + @GET + def receiversList(): Seq[ReceiverInfo] = { + receiverInfoList(listener).sortBy(_.streamId) + } +} + +private[v1] object AllReceiversResource { + + def receiverInfoList(listener: StreamingJobProgressListener): Seq[ReceiverInfo] = { + listener.synchronized { + listener.receivedRecordRateWithBatchTime.map { case (streamId, eventRates) => + + val receiverInfo = listener.receiverInfo(streamId) + val streamName = receiverInfo.map(_.name) + .orElse(listener.streamName(streamId)).getOrElse(s"Stream-$streamId") + val avgEventRate = + if (eventRates.isEmpty) None else Some(eventRates.map(_._2).sum / eventRates.size) + + val (errorTime, errorMessage, error) = receiverInfo match { + case None => (None, None, None) + case Some(info) => + val someTime = + if (info.lastErrorTime >= 0) Some(new Date(info.lastErrorTime)) else None + val someMessage = + if (info.lastErrorMessage.length > 0) Some(info.lastErrorMessage) else None + val someError = + if (info.lastError.length > 0) Some(info.lastError) else None + + (someTime, someMessage, someError) + } + + new ReceiverInfo( + streamId = streamId, + streamName = streamName, + isActive = receiverInfo.map(_.active), + executorId = receiverInfo.map(_.executorId), + executorHost = receiverInfo.map(_.location), + lastErrorTime = errorTime, + lastErrorMessage = errorMessage, + lastError = error, + avgEventRate = avgEventRate, + eventRates = eventRates + ) + }.toSeq + } + } +} |