internal static ContentRange FromContentRangeHeaderValue(string value)
{
ContentRange range = new ContentRange();
const string valuePrefix = "bytes ";
if (!value.StartsWith(valuePrefix, StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException("Expected value to begin with 'bytes '", "value");
}
string byteRange = value.Substring(valuePrefix.Length);
long totalFileSize = 0, firstByte = 0, lastByte = 0;
int indexOfSlash = byteRange.IndexOf('/');
if (indexOfSlash > 0)
{
var totalFileSizeString = byteRange.Substring(indexOfSlash + 1);
if (!Int64.TryParse(totalFileSizeString, out totalFileSize))
{
throw new ArgumentException("Couldn't parse the total file size from the value.");
}
byteRange = byteRange.Substring(0, indexOfSlash);
}
int indexOfDash = byteRange.IndexOf('-');
if (indexOfDash > 0)
{
var lastByteString = byteRange.Substring(indexOfDash + 1);
var firstByteString = byteRange.Substring(0, indexOfDash);
if (!Int64.TryParse(lastByteString, out lastByte) ||
!Int64.TryParse(firstByteString, out firstByte))
{
throw new ArgumentException("Couldn't parse the first/last byte ranges from the value.");
}
}
range.TotalLengthBytes = totalFileSize;
range.FirstByteIndex = firstByte;
range.LastByteIndex = lastByte;
return(range);
}
internal async Task <ODDataModel> PutFileFragment(Uri serviceUri, byte[] fragment, ContentRange requestRange)
{
var request = await CreateHttpRequestAsync(serviceUri, ApiConstants.HttpPut);
request.ContentRange = requestRange.ToContentRangeHeaderValue();
var stream = await request.GetRequestStreamAsync();
await stream.WriteAsync(fragment, 0, (int)requestRange.BytesInRange);
var response = await request.GetResponseAsync();
if (response.StatusCode == HttpStatusCode.Accepted)
{
return(await response.ConvertToDataModel <ODUploadSession>());
}
else if (response.StatusCode == HttpStatusCode.OK || response.StatusCode == HttpStatusCode.Created)
{
return(await response.ConvertToDataModel <ODItem>());
}
else
{
var exception = await response.ToException();
throw exception;
}
}