59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// SPDX-License-Identifier: MIT
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#include "blobs/blob.hpp"
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#include "samples_common.hpp"
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#include <iostream>
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SAMPLE(BlobsGettingStarted, BlobsGettingStarted)
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void BlobsGettingStarted()
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{
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using namespace Azure::Storage::Blobs;
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std::string containerName = "sample-container";
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std::string blobName = "sample-blob";
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std::string blobContent = "Hello Azure!";
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auto containerClient
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= BlobContainerClient::CreateFromConnectionString(GetConnectionString(), containerName);
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try
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{
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containerClient.Create();
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}
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catch (std::runtime_error& e)
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{
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// The container may already exist
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std::cout << e.what() << std::endl;
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}
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BlockBlobClient blobClient = containerClient.GetBlockBlobClient(blobName);
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auto blobContentStream = Azure::Storage::CreateMemoryStream(
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reinterpret_cast<const uint8_t*>(blobContent.data()), blobContent.length());
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blobClient.Upload(std::move(blobContentStream));
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std::map<std::string, std::string> blobMetadata = {{"key1", "value1"}, {"key2", "value2"}};
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blobClient.SetMetadata(blobMetadata);
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auto blobDownloadContent = blobClient.Download();
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blobContent.resize(static_cast<std::size_t>(blobDownloadContent.BodyStream->Length()));
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// read body stream until it returns 0 (all content read)
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auto readTotal = uint64_t();
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do
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{
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auto offset = uint64_t();
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readTotal = blobDownloadContent.BodyStream->Read(
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reinterpret_cast<uint8_t*>(&blobContent[(size_t)offset]), blobContent.length());
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offset += readTotal;
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} while (readTotal != 0);
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std::cout << blobContent << std::endl;
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auto properties = blobClient.GetProperties();
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for (auto metadata : properties.Metadata)
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{
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std::cout << metadata.first << ":" << metadata.second << std::endl;
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}
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}
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