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https://issues.apache.org/jira/browse/HADOOP-19232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17911919#comment-17911919
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ASF GitHub Bot commented on HADOOP-19232:
-----------------------------------------
anmolanmol1234 commented on code in PR #7272:
URL: https://github.com/apache/hadoop/pull/7272#discussion_r1910191130
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AzureDFSIngressHandler.java:
##########
@@ -0,0 +1,275 @@
+/**
+ * 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.hadoop.fs.azurebfs.services;
+
+import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import
org.apache.hadoop.fs.azurebfs.contracts.services.AppendRequestParameters;
+import org.apache.hadoop.fs.azurebfs.utils.TracingContext;
+import org.apache.hadoop.fs.store.DataBlocks;
+import org.apache.hadoop.io.IOUtils;
+
+import static
org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants.EMPTY_STRING;
+
+/**
+ * The BlobFsOutputStream for Rest AbfsClient.
+ */
+public class AzureDFSIngressHandler extends AzureIngressHandler {
+
+ private static final Logger LOG = LoggerFactory.getLogger(
+ AbfsOutputStream.class);
+
+ private AzureDFSBlockManager dfsBlockManager;
+
+ private final AbfsDfsClient dfsClient;
+
+ private String eTag;
+
+ /**
+ * Constructs an AzureDFSIngressHandler.
+ *
+ * @param abfsOutputStream the AbfsOutputStream instance.
+ * @param clientHandler the AbfsClientHandler instance.
+ */
+ public AzureDFSIngressHandler(AbfsOutputStream abfsOutputStream,
+ AbfsClientHandler clientHandler) {
+ super(abfsOutputStream);
+ this.dfsClient = clientHandler.getDfsClient();
+ }
+
+ /**
+ * Constructs an AzureDFSIngressHandler with specified parameters.
+ *
+ * @param abfsOutputStream the AbfsOutputStream.
+ * @param blockFactory the block factory.
+ * @param bufferSize the buffer size.
+ * @param eTag the eTag.
+ * @param clientHandler the client handler.
+ */
+ public AzureDFSIngressHandler(AbfsOutputStream abfsOutputStream,
+ DataBlocks.BlockFactory blockFactory,
+ int bufferSize, String eTag, AbfsClientHandler clientHandler) {
+ this(abfsOutputStream, clientHandler);
+ this.eTag = eTag;
+ this.dfsBlockManager = new AzureDFSBlockManager(this.abfsOutputStream,
+ blockFactory, bufferSize);
+ LOG.trace(
+ "Created a new DFSIngress Handler for AbfsOutputStream instance {} for
path {}",
+ abfsOutputStream.getStreamID(), abfsOutputStream.getPath());
+ }
+
+ /**
+ * Buffers data into the specified block.
+ *
+ * @param block the block to buffer data into.
+ * @param data the data to be buffered.
+ * @param off the start offset in the data.
+ * @param length the number of bytes to buffer.
+ * @return the number of bytes buffered.
+ * @throws IOException if an I/O error occurs.
+ */
+ @Override
+ public int bufferData(AbfsBlock block,
+ final byte[] data,
+ final int off,
+ final int length)
+ throws IOException {
+ LOG.trace("Buffering data of length {} to block at offset {}", length,
off);
+ return block.write(data, off, length);
+ }
+
+ /**
+ * Performs a remote write operation.
+ *
+ * @param blockToUpload the block to upload.
+ * @param uploadData the data to upload.
+ * @param reqParams the request parameters.
+ * @param tracingContext the tracing context.
+ * @return the resulting AbfsRestOperation.
+ * @throws IOException if an I/O error occurs.
+ */
+ @Override
+ protected AbfsRestOperation remoteWrite(AbfsBlock blockToUpload,
+ DataBlocks.BlockUploadData uploadData,
+ AppendRequestParameters reqParams,
+ TracingContext tracingContext) throws IOException {
+ TracingContext tracingContextAppend = new TracingContext(tracingContext);
+ long threadId = Thread.currentThread().getId();
+ String threadIdStr = String.valueOf(threadId);
Review Comment:
taken
> ABFS: [FnsOverBlob] Implementing Ingress Support with various Fallback
> Handling
> -------------------------------------------------------------------------------
>
> Key: HADOOP-19232
> URL: https://issues.apache.org/jira/browse/HADOOP-19232
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.4.0
> Reporter: Descifrado
> Assignee: Anmol Asrani
> Priority: Major
> Labels: pull-request-available
>
> Scope of this task is to refactor the AbfsOutputStream class to handle the
> ingress for DFS and Blob endpoint effectively.
> More details will be added soon.
> Perquisites for this Patch:
> 1. [HADOOP-19187] ABFS: [FnsOverBlob]Making AbfsClient Abstract for
> supporting both DFS and Blob Endpoint - ASF JIRA (apache.org)
> 2. [HADOOP-19226] ABFS: [FnsOverBlob]Implementing Azure Rest APIs on Blob
> Endpoint for AbfsBlobClient - ASF JIRA (apache.org)
> 3. [HADOOP-19207] ABFS: [FnsOverBlob]Response Handling of Blob Endpoint APIs
> and Metadata APIs - ASF JIRA (apache.org)
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