// returns a string to use as a file claim token
private string uploadFileIncrementally(byte[] bytes)
{
int chunkSize = 16000;
onUploadStarted(bytes.Length);
string claimToken = wsClient.UploadFileStart(accessToken(), bytes.Length, chunkSize);
int numChunks = bytes.Length / chunkSize;
int fragmentChunkSize = bytes.Length % chunkSize;
if (fragmentChunkSize > 0)
{
numChunks += 1;
}
// move the full-sized chunks
int numUploaded = 0;
byte[] buffer = new byte[chunkSize];
for (int i = 0; i < (numChunks - 1); i++)
{
Array.Copy(bytes, i * chunkSize, buffer, 0, chunkSize);
if (wsClient.UploadFilePart(accessToken(), claimToken, i, buffer) == false)
{
return(null);
}
numUploaded += chunkSize;
onPartUploaded(numUploaded, bytes.Length);
}
// move the fragment chunk (if any)
if (fragmentChunkSize > 0)
{
buffer = new byte[fragmentChunkSize];
Array.Copy(bytes, (numChunks - 1) * chunkSize, buffer, 0, fragmentChunkSize);
if (wsClient.UploadFilePart(accessToken(), claimToken, numChunks - 1, buffer) == false)
{
return(null);
}
numUploaded += fragmentChunkSize;
onPartUploaded(numUploaded, bytes.Length);
}
// end the upload
if (wsClient.UploadFileEnd(accessToken(), claimToken) == false)
{
return(null);
}
onUploadEnded(bytes.Length);
return(claimToken);
}