private void btnStartStreaming_Click(object sender, RoutedEventArgs e)
{
ChannelFactory <SLApp.Web.IWcfDownloadService> factory = new ChannelFactory <Web.IWcfDownloadService>("CustomBinding_IWcfDownloadService_StreamedResponse");
SLApp.Web.IWcfDownloadService proxy = factory.CreateChannel();
SLApp.Web.DownloadRequest request = new SLApp.Web.DownloadRequest();
request.fileName = "test.bin";
request.fileSize = 1000000000L; // ~1GB
Message input = Message.CreateMessage(factory.Endpoint.Binding.MessageVersion, SLApp.Web.Constants.DownloadAction, request);
proxy.BeginDownload(input, new AsyncCallback(this.DownloadCallback), proxy);
this.AddToDebug("Called proxy.BeginDownload");
}
void DownloadCallback(IAsyncResult asyncResult)
{
SLApp.Web.IWcfDownloadService proxy = (SLApp.Web.IWcfDownloadService)asyncResult.AsyncState;
this.AddToDebug("Inside DownloadCallback");
try
{
Message response = proxy.EndDownload(asyncResult);
this.AddToDebug("Got the response");
if (response.IsFault)
{
this.AddToDebug("Error in the server: {0}", response);
}
else
{
XmlDictionaryReader bodyReader = response.GetReaderAtBodyContents();
if (!bodyReader.ReadToDescendant("DownloadResult")) // Name of operation + "Result"
{
this.AddToDebug("Error, could not read to the start of the result");
}
else
{
bodyReader.Read(); // move to content
long totalBytesRead = 0;
int bytesRead = 0;
int i = 0;
byte[] buffer = new byte[1000000];
do
{
bytesRead = bodyReader.ReadContentAsBase64(buffer, 0, buffer.Length);
totalBytesRead += bytesRead;
i++;
if ((i % 100) == 0)
{
this.AddToDebug("Read {0} bytes", totalBytesRead);
}
} while (bytesRead > 0);
this.AddToDebug("Read a total of {0} bytes", totalBytesRead);
}
}
}
catch (Exception e)
{
this.AddToDebug("Exception: {0}", e);
}
}
