private static void FetchUploadFiles(Stream requestStream, byte[] boundarybuffer, string[] files, Encoding encoding, byte[] allRequestBuffer, Action <decimal> completePercentFacotry)
{
string _headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";
byte[] _buffer = new byte[4096];
int _offset = 0;
int _completeOffset = 0;
DateTime _uploadFilesStartTime = DateTime.Now;
for (int i = 0; i < files.Length; i++)
{
requestStream.Write(boundarybuffer, 0, boundarybuffer.Length);
string _header = string.Format(_headerTemplate, "file" + i, Path.GetFileName(files[i]));
byte[] _headerbytes = encoding.GetBytes(_header);
requestStream.Write(_headerbytes, 0, _headerbytes.Length);
using (FileStream fileStream = new FileStream(files[i], FileMode.Open, FileAccess.Read))
{
while ((_offset = fileStream.Read(_buffer, 0, _buffer.Length)) != 0)
{
_completeOffset = _completeOffset + _offset;
requestStream.Write(_buffer, 0, _offset);
if ((DateTime.Now - _uploadFilesStartTime).TotalMilliseconds >= 10 || _completeOffset == fileStream.Length)
{
decimal _percent = DecimalHelper.CalcPercentage(_completeOffset, fileStream.Length);
completePercentFacotry(_percent);
_uploadFilesStartTime = DateTime.Now;
}
}
}
}
requestStream.Write(allRequestBuffer, 0, allRequestBuffer.Length);
}