public override Stream EndGetRequestStream(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
GHWebAsyncResult result = asyncResult as GHWebAsyncResult;
if (result == null)
{
throw new ArgumentException("Invalid IAsyncResult");
}
_asyncWrite = result;
result.WaitUntilComplete();
Exception e = result.Exception;
if (e != null)
{
throw e;
}
return(result.WriteStream);
}
public override IAsyncResult BeginGetRequestStream(AsyncCallback callback, object state)
{
lock (this)
{
if (_asyncWrite != null)
{
throw new InvalidOperationException("Cannot re-call start of asynchronous " +
"method while a previous call is still in progress.");
}
_asyncWrite = new GHWebAsyncResult(this, callback, state);
if (_hasRequest)
{
if (_writeStream != null)
{
_asyncWrite.SetCompleted(true, _writeStream);
_asyncWrite.DoCallback();
return(_asyncWrite);
}
}
try
{
this.GetRequestStream();
}
catch (Exception e)
{
_asyncWrite.SetCompleted(false, e);
_asyncWrite.DoCallback();
return(_asyncWrite);
}
_asyncWrite.SetCompleted(true, _writeStream);
_asyncWrite.DoCallback();
return(_asyncWrite);
}
}
public override Stream EndGetRequestStream(IAsyncResult asyncResult)
{
if (asyncResult == null)
throw new ArgumentNullException ("asyncResult");
GHWebAsyncResult result = asyncResult as GHWebAsyncResult;
if (result == null)
throw new ArgumentException ("Invalid IAsyncResult");
_asyncWrite = result;
result.WaitUntilComplete ();
Exception e = result.Exception;
if (e != null)
throw e;
return result.WriteStream;
}
public override IAsyncResult BeginGetRequestStream(AsyncCallback callback, object state)
{
lock(this)
{
if(_asyncWrite != null)
{
throw new InvalidOperationException ("Cannot re-call start of asynchronous " +
"method while a previous call is still in progress.");
}
_asyncWrite = new GHWebAsyncResult (this, callback, state);
if (_hasRequest)
{
if (_writeStream != null)
{
_asyncWrite.SetCompleted (true, _writeStream);
_asyncWrite.DoCallback ();
return _asyncWrite;
}
}
try
{
this.GetRequestStream();
}
catch(Exception e)
{
_asyncWrite.SetCompleted(false, e);
_asyncWrite.DoCallback ();
return _asyncWrite;
}
_asyncWrite.SetCompleted (true, _writeStream);
_asyncWrite.DoCallback ();
return _asyncWrite;
}
}
