Esempio n. 1
0
        /// <summary>takes our copy of the stream, and puts it into the request stream</summary>
        protected void CopyRequestData()
        {
            if (_requestCopy != null)
            {
                // Since we don't use write buffering on the WebRequest object,
                // we need to ensure the Content-Length field is correctly set
                // to the length we want to set.
                EnsureWebRequest();
                Request.ContentLength = _requestCopy.Length;
                // stream it into the real request stream
                Stream req = base.GetRequestStream();

                try
                {
                    const int size  = 4096;
                    byte[]    bytes = new byte[size];
                    int       numBytes;

                    double oneLoop = 100;
                    if (_requestCopy.Length > size)
                    {
                        oneLoop = (100 / ((double)_requestCopy.Length / size));
                    }

                    // 3 lines of debug code
                    // this.requestCopy.Seek(0, SeekOrigin.Begin);

                    // StreamReader reader = new StreamReader( this.requestCopy );
                    // string text = reader.ReadToEnd();

                    _requestCopy.Seek(0, SeekOrigin.Begin);

                    long   bytesWritten = 0;
                    double current      = 0;
                    while ((numBytes = _requestCopy.Read(bytes, 0, size)) > 0)
                    {
                        req.Write(bytes, 0, numBytes);
                        bytesWritten += numBytes;
                        if (_asyncData != null && _asyncData.Delegate != null &&
                            _asyncData.DataHandler != null)
                        {
                            AsyncOperationProgressEventArgs args;
                            args = new AsyncOperationProgressEventArgs(
                                _requestCopy.Length,
                                bytesWritten, (int)current,
                                Request.RequestUri,
                                Request.Method,
                                _asyncData.UserData);
                            current += oneLoop;
                            if (!_asyncData.DataHandler.SendProgressData(_asyncData, args))
                            {
                                break;
                            }
                        }
                    }
                }
                finally
                {
                    req.Close();
                }
            }
            else
            {
                if (IsBatch)
                {
                    EnsureWebRequest();
                    ContentStore.SaveToXml(GetRequestStream());
                    CopyRequestData();
                }
            }
        }