用c++中的wastorage将uint8t数组上传到azureblob存储的最佳方法

best way to upload uint8_t array to azure blob storage with wastorage in c++

本文关键字:azureblob 存储 方法 最佳 中的 c++ wastorage 数组 uint8t      更新时间:2023-10-16

我想使用azure存储SDK将uint8_t数组上传到azure存储。我很难从数组中构造输入流,我设法获得了一些通过使用std::向量编译的东西,但这需要额外的数组副本。

你能想出更好的办法吗?

void upload(azure::storage::cloud_blob_container container, const wchar_t* blobName, const uint8_t * data, size_t dataLength) {
    std::vector<uint8_t> bytes(dataLength, (const unsigned char)data);
    concurrency::streams::bytestream byteStream = concurrency::streams::bytestream();
    concurrency::streams::istream inputStream = byteStream.open_istream(bytes);
    const utility::string_t myBlobName(blobName);
    azure::storage::cloud_block_blob blockBlob = container.get_block_blob_reference(myBlobName);
    blockBlob.upload_from_stream(inputStream);
    inputStream.close();
}

upload_from_stream方法需要并发::streams::istream,但我不知道如何从基本数组中构造if

提前感谢

我设法使用rawptr_buffer:找到了一个更好的解决方案

void BlobService::upload(cloud_blob_container container, const wchar_t* blobName, const uint8_t * data, size_t dataLength) {
    rawptr_buffer<uint8_t> buffer(data, dataLength);
    istream inputStream = buffer.create_istream();
    cloud_block_blob blob = container.get_block_blob_reference(utility::string_t(blobName));
    blob.upload_from_stream(inputStream);
    inputStream.close().wait();
    buffer.close().wait();
}