使用 OneDrive 上传大文件 API 仅上传文件的一部分

Question

I'm using API here to upload a large file to OneDrive.

After creating upload session, I try to upload to UploadUrl returned from this POST request using bellow code:

using (var uploadHttp = new HttpClient())
{
 SetAuthHeader(uploadHttp);

 int totalFileSize = (int)uploadStream.Length;
 int chunkSize = 327680;
 int chunkNumber =  totalFileSize / chunkSize;
 int chunkLeftover = totalFileSize - chunkSize * chunkNumber;

 if (totalFileSize < chunkSize)
    chunkSize = totalFileSize;

 var bytesData = new byte[chunkSize];

 int i = 0;

 int startIndex = 0;
 int endIndex = 0;

 int read = 0;

 while (true)
 {
    startIndex = i * chunkSize;
    endIndex = startIndex + chunkSize;

    read = await uploadStream.ReadAsync(bytesData, 0, chunkSize);
    if (read <= 0)
        break;

    if (i == chunkNumber)
        endIndex = startIndex + chunkLeftover;

    uploadHttp.DefaultRequestHeaders
     .TryAddWithoutValidation("Content-Length", chunkSize.ToString());
    uploadHttp.DefaultRequestHeaders
     .TryAddWithoutValidation("Content-Range", $"bytes={startIndex}-{endIndex-1}/{totalFileSize}");

    response = await uploadHttp.PutAsync(uploadResponse.UploadUrl, new ByteArrayContent(bytesData));

    i++;
 }
}

These code run without errors, but the file uploaded to OneDrive is size same with chunkSize which in this code is 327680 .

It's seems every chunk uploaded override last upload. Anyone know the correct code to upload large file in OneDrive API?

UPDATES: I found my mistake in my code, instead of setting Content-Length and Content-Range in Header :

 uploadHttp.DefaultRequestHeaders.TryAddWithoutValidation("Content-Length", chunkSize.ToString());
 uploadHttp.DefaultRequestHeaders.TryAddWithoutValidation("Content-Range", $"bytes={startIndex}-{endIndex-1}/{totalFileSize}");

It need to set it in Content :

uploadHttp.Content.Headers.Add("Content-Length", totalByteRead.ToString());
uploadHttp.Content.Headers.Add("Content-Range", $"bytes {startIndex}-{endIndex - 1}/{totalFileSize}");

Answer 1

I found error in my code (see UPDATES note on my original question). After changing that, the upload working.