private static void AsyncEndGetRequestStream(IAsyncResult asyncResult)
{
QueryAsyncResult state = asyncResult.AsyncState as QueryAsyncResult;
try
{
int step = CompleteCheck(state, InternalError.InvalidEndGetRequestCompleted);
state.CompletedSynchronously &= asyncResult.CompletedSynchronously; // BeginGetRequestStream
HttpWebRequest httpWebRequest = Util.NullCheck(state.Request, InternalError.InvalidEndGetRequestStreamRequest);
Stream stream = Util.NullCheck(httpWebRequest.EndGetRequestStream(asyncResult), InternalError.InvalidEndGetRequestStreamStream);
state.requestStream = stream;
MemoryStream memoryStream = Util.NullCheck(state.requestStreamContent, InternalError.InvalidEndGetRequestStreamContent);
byte[] buffer = memoryStream.GetBuffer();
int bufferOffset = checked ((int)memoryStream.Position);
int bufferLength = checked ((int)memoryStream.Length) - bufferOffset;
if ((null == buffer) || (0 == bufferLength))
{
Error.ThrowInternalError(InternalError.InvalidEndGetRequestStreamContentLength);
}
// the following is useful in the debugging Immediate Window
// string x = System.Text.Encoding.UTF8.GetString(buffer, bufferOffset, bufferLength);
asyncResult = stream.BeginWrite(buffer, bufferOffset, bufferLength, QueryAsyncResult.AsyncEndWrite, state);
bool reallyCompletedSynchronously = asyncResult.CompletedSynchronously && (step < state.asyncCompleteStep);
state.CompletedSynchronously &= reallyCompletedSynchronously; // BeginWrite
}
catch (Exception e)
{
if (state.HandleFailure(e))
{
throw;
}
}
finally
{
state.HandleCompleted();
}
}
private static void AsyncEndWrite(IAsyncResult asyncResult)
{
QueryAsyncResult state = asyncResult.AsyncState as QueryAsyncResult;
try
{
int step = CompleteCheck(state, InternalError.InvalidEndWriteCompleted);
state.CompletedSynchronously &= asyncResult.CompletedSynchronously;
HttpWebRequest httpWebRequest = Util.NullCheck(state.Request, InternalError.InvalidEndWriteRequest);
Stream stream = Util.NullCheck(state.requestStream, InternalError.InvalidEndWriteStream);
stream.EndWrite(asyncResult);
state.requestStream = null;
stream.Dispose();
stream = state.requestStreamContent;
if (null != stream)
{
state.requestStreamContent = null;
stream.Dispose();
}
asyncResult = httpWebRequest.BeginGetResponse(QueryAsyncResult.AsyncEndGetResponse, state);
bool reallyCompletedSynchronously = asyncResult.CompletedSynchronously && (step < state.asyncCompleteStep);
state.CompletedSynchronously &= reallyCompletedSynchronously;
}
catch (Exception e)
{
if (state.HandleFailure(e))
{
throw;
}
}
finally
{
state.HandleCompleted();
}
}