private static void GetResponseCallback(IAsyncResult asynchronousResult)
{
UploadState state = (UploadState)asynchronousResult.AsyncState;
state.statusCB("Waiting For Response");
// End the operation
try
{
HttpWebResponse response = (HttpWebResponse)state.request.EndGetResponse(asynchronousResult);
Stream streamResponse = response.GetResponseStream();
StreamReader streamRead = new StreamReader(streamResponse);
state.response = streamRead.ReadToEnd();
// Close the stream object
streamResponse.Close();
streamRead.Close();
response.Close();
}
catch (Exception e)
{
state.failureCB(e, "Result Retrieval Problem");
return;
}
// Release the HttpWebResponse
state.statusCB("Done");
state.responseDoneCB();
}
private void postFile_GetRequestStreamCallback(IAsyncResult asynchronousResult)
{
UploadState state = (UploadState)asynchronousResult.AsyncState;
state.statusCB("Sending File");
// End the operation
try
{
Stream postStream = state.request.EndGetRequestStream(asynchronousResult);
const int BUFFER = 4096;
byte[] buffer = new byte[BUFFER];
FileStream encodedFileStream = File.OpenRead(state.filename);
int bytes_read = 0;
long total_read = 0;
bytes_read = encodedFileStream.Read(buffer, 0, BUFFER);
while (bytes_read > 0)
{
total_read += bytes_read;
postStream.Write(buffer, 0, bytes_read);
bytes_read = encodedFileStream.Read(buffer, 0, BUFFER);
state.progCB(((double)total_read / (double)state.totalBytes) * 100.0);
}
postStream.Close();
encodedFileStream.Close();
File.Delete(state.filename);
}
catch (Exception e)
{
state.failureCB(e, "Upload Problem");
return;
}
state.uploadDoneCB();
// Start the asynchronous operation to get the response
state.request.BeginGetResponse(new AsyncCallback(GetResponseCallback), state);
}