/// <summary>
/// Uploads the block list.
/// </summary>
/// <param name="blocks">The blocks to upload.</param>
/// <param name="options">An object that specifies any additional options for the request.</param>
/// <returns>A <see cref="TaskSequence"/> that uploads the block list.</returns>
internal TaskSequence UploadBlockList(List <PutBlockListItem> blocks, BlobRequestOptions options)
{
if (options == null)
{
throw new ArgumentNullException("modifers");
}
var request = ProtocolHelper.GetWebRequest(this.ServiceClient, options, (timeout) => BlobRequest.PutBlockList(this.TransformedAddress, timeout, this.Properties, null));
options.AccessCondition.ApplyCondition(request);
BlobRequest.AddMetadata(request, this.Metadata);
using (var memoryStream = new SmallBlockMemoryStream(Constants.DefaultBufferSize))
{
BlobRequest.WriteBlockListBody(blocks, memoryStream);
CommonUtils.ApplyRequestOptimizations(request, memoryStream.Length);
memoryStream.Seek(0, SeekOrigin.Begin);
// Compute the MD5
var md5 = System.Security.Cryptography.MD5.Create();
request.Headers[HttpRequestHeader.ContentMd5] = Convert.ToBase64String(md5.ComputeHash(memoryStream));
this.ServiceClient.Credentials.SignRequest(request);
memoryStream.Seek(0, SeekOrigin.Begin);
// Retrieve the stream
var requestStreamTask = request.GetRequestStreamAsync();
yield return(requestStreamTask);
using (Stream requestStream = requestStreamTask.Result)
{
// Copy the data
var copyTask = new InvokeTaskSequenceTask(() => { return(memoryStream.WriteTo(requestStream)); });
yield return(copyTask);
// Materialize any exceptions
var scratch = copyTask.Result;
}
}
// Get the response
var responseTask = request.GetResponseAsyncWithTimeout(this.ServiceClient, options.Timeout);
yield return(responseTask);
using (var response = responseTask.Result as HttpWebResponse)
{
ParseSizeAndLastModified(response);
this.Properties.Length = 0;
}
}