internal void CreateNextChange()
{
ODataRequestMessageWrapper requestMessage = null;
do
{
HttpWebResponse response = null;
try
{
requestMessage = this.CreateNextRequest();
if (((requestMessage != null) || (base.entryIndex < base.ChangedEntries.Count)) && !base.ChangedEntries[base.entryIndex].ContentGeneratedForSave)
{
BaseAsyncResult.ContentStream stream = this.CreateNonBatchChangeData(base.entryIndex, requestMessage);
if ((stream != null) && (stream.Stream != null))
{
if (stream.IsKnownMemoryStream)
{
requestMessage.SetContentLengthHeader();
}
using (Stream stream2 = WebUtil.GetRequestStream(requestMessage, (DataServiceContext)base.Source))
{
int num;
byte[] buffer = new byte[0x10000];
do
{
num = stream.Stream.Read(buffer, 0, buffer.Length);
if (num > 0)
{
stream2.Write(buffer, 0, num);
}
}while (num > 0);
}
}
response = WebUtil.GetResponse(requestMessage, (DataServiceContext)base.Source, false);
this.HandleOperationResponse(response);
base.HandleOperationResponseHeaders(response.StatusCode, WebUtil.WrapResponseHeaders(response));
this.HandleOperationResponseData(response);
base.perRequest = null;
}
}
catch (InvalidOperationException exception)
{
WebUtil.GetHttpWebResponse(exception, ref response);
this.HandleOperationException(exception, response);
}
finally
{
if (response != null)
{
response.Close();
}
}
}while ((base.entryIndex < base.ChangedEntries.Count) && !base.IsCompletedInternally);
}
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 QueryResult(object source, string method, DataServiceRequest serviceRequest, ODataRequestMessageWrapper request, System.Data.Services.Client.RequestInfo requestInfo, AsyncCallback callback, object state, BaseAsyncResult.ContentStream requestContentStream) : this(source, method, serviceRequest, request, requestInfo, callback, state)
{
this.requestContentStream = requestContentStream;
}