anmolanmol1234 commented on code in PR #7272: URL: https://github.com/apache/hadoop/pull/7272#discussion_r1910188945
########## hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AzureBlobIngressHandler.java: ########## @@ -0,0 +1,341 @@ +/** + * 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 java.nio.charset.StandardCharsets; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hadoop.classification.VisibleForTesting; +import org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidIngressServiceException; +import org.apache.hadoop.fs.azurebfs.contracts.services.AppendRequestParameters; +import org.apache.hadoop.fs.azurebfs.contracts.services.BlobAppendRequestParameters; +import org.apache.hadoop.fs.azurebfs.utils.TracingContext; +import org.apache.hadoop.fs.store.DataBlocks; +import org.apache.hadoop.io.IOUtils; + +public class AzureBlobIngressHandler extends AzureIngressHandler { + + private static final Logger LOG = LoggerFactory.getLogger( + AbfsOutputStream.class); + + private volatile String eTag; + + private final AzureBlobBlockManager blobBlockManager; + + private final AbfsBlobClient blobClient; + + private final AbfsClientHandler clientHandler; + + /** + * Constructs an AzureBlobIngressHandler. + * + * @param abfsOutputStream the AbfsOutputStream. + * @param blockFactory the block factory. + * @param bufferSize the buffer size. + * @param eTag the eTag. + * @param clientHandler the client handler. + * @param blockManager the block manager. + * @throws AzureBlobFileSystemException if an error occurs. + */ + public AzureBlobIngressHandler(AbfsOutputStream abfsOutputStream, + DataBlocks.BlockFactory blockFactory, + int bufferSize, String eTag, AbfsClientHandler clientHandler, AzureBlockManager blockManager) + throws AzureBlobFileSystemException { + super(abfsOutputStream); + this.eTag = eTag; + if (blockManager instanceof AzureBlobBlockManager) { + this.blobBlockManager = (AzureBlobBlockManager) blockManager; + } else { + this.blobBlockManager = new AzureBlobBlockManager(this.abfsOutputStream, + blockFactory, bufferSize); + } + this.clientHandler = clientHandler; + this.blobClient = clientHandler.getBlobClient(); + LOG.trace("Created a new BlobIngress 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 + protected 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 { + BlobAppendRequestParameters blobParams = new BlobAppendRequestParameters(blockToUpload.getBlockId(), getETag()); + reqParams.setBlobParams(blobParams); + AbfsRestOperation op; + long threadId = Thread.currentThread().getId(); Review Comment: taken -- This is an automated message from the Apache Git Service. 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