internal void BatchBeginRequest()
{
BaseAsyncResult.PerRequest pereq = null;
try
{
ODataRequestMessageWrapper request = this.GenerateBatchRequest();
if (request != null)
{
request.SetContentLengthHeader();
base.perRequest = pereq = new BaseAsyncResult.PerRequest();
pereq.Request = request;
pereq.RequestContentStream = new BaseAsyncResult.ContentStream(request.CachedRequestStream, true);
BaseAsyncResult.AsyncStateBag state = new BaseAsyncResult.AsyncStateBag(pereq, (DataServiceContext) base.Source);
this.responseStream = new MemoryStream();
IAsyncResult result = BaseAsyncResult.InvokeAsync(new Func<ODataRequestMessageWrapper, AsyncCallback, object, IAsyncResult>(WebUtil.BeginGetRequestStream), request, new AsyncCallback(this.AsyncEndGetRequestStream), state);
pereq.SetRequestCompletedSynchronously(result.CompletedSynchronously);
}
}
catch (Exception exception)
{
base.HandleFailure(pereq, exception);
throw;
}
finally
{
this.HandleCompleted(pereq);
}
}
/// <summary>Set the AsyncWait and invoke the user callback.</summary>
/// <param name="pereq">the request object</param>
/// <remarks>This method is not implemented for this class.</remarks>
protected override void HandleCompleted(BaseAsyncResult.PerRequest pereq)
{
Debug.Assert(false, "This method should never be called from GetReadStreamResult.");
Error.ThrowInternalError(InternalError.InvalidHandleCompleted);
}
internal void BeginCreateNextChange()
{
HttpWebResponse response;
this.inMemoryResponseStream = new MemoryStream();
BaseAsyncResult.PerRequest pereq = null;
IAsyncResult result = null;
Label_000F:
response = null;
ODataRequestMessageWrapper requestMessage = null;
try
{
if (base.perRequest != null)
{
base.SetCompleted();
System.Data.Services.Client.Error.ThrowInternalError(InternalError.InvalidBeginNextChange);
}
requestMessage = this.CreateNextRequest();
if (requestMessage == null)
{
base.Abortable = null;
}
if ((requestMessage != null) || (base.entryIndex < base.ChangedEntries.Count))
{
if (base.ChangedEntries[base.entryIndex].ContentGeneratedForSave)
{
goto Label_0191;
}
base.Abortable = requestMessage;
BaseAsyncResult.ContentStream stream = this.CreateNonBatchChangeData(base.entryIndex, requestMessage);
base.perRequest = pereq = new BaseAsyncResult.PerRequest();
pereq.Request = requestMessage;
BaseAsyncResult.AsyncStateBag state = new BaseAsyncResult.AsyncStateBag(pereq, (DataServiceContext) base.Source);
if ((stream == null) || (stream.Stream == null))
{
result = BaseAsyncResult.InvokeAsync(new Func<ODataRequestMessageWrapper, AsyncCallback, object, IAsyncResult>(WebUtil.BeginGetResponse), requestMessage, new AsyncCallback(this.AsyncEndGetResponse), state);
}
else
{
if (stream.IsKnownMemoryStream)
{
requestMessage.SetContentLengthHeader();
}
pereq.RequestContentStream = stream;
result = BaseAsyncResult.InvokeAsync(new Func<ODataRequestMessageWrapper, AsyncCallback, object, IAsyncResult>(WebUtil.BeginGetRequestStream), requestMessage, new AsyncCallback(this.AsyncEndGetRequestStream), state);
}
pereq.SetRequestCompletedSynchronously(result.CompletedSynchronously);
base.SetCompletedSynchronously(pereq.RequestCompletedSynchronously);
}
else
{
base.SetCompleted();
if (base.CompletedSynchronously)
{
this.HandleCompleted(pereq);
}
}
}
catch (InvalidOperationException exception)
{
WebUtil.GetHttpWebResponse(exception, ref response);
this.HandleOperationException(exception, response);
this.HandleCompleted(pereq);
}
finally
{
if (response != null)
{
response.Close();
}
}
if (((pereq != null) && pereq.RequestCompleted) && (pereq.RequestCompletedSynchronously && !base.IsCompletedInternally))
{
this.FinishCurrentChange(pereq);
}
Label_0191:
if (((pereq == null) || (pereq.RequestCompleted && pereq.RequestCompletedSynchronously)) && !base.IsCompletedInternally)
{
goto Label_000F;
}
}
internal AsyncReadState(BaseAsyncResult.PerRequest pereq)
{
this.Pereq = pereq;
this.totalByteCopied = 0;
}
