public void GetBuffer(out byte[] buffer, out uint steps, out uint progress, out FastTransferState state, out int residualCacheSize, out bool doneInCache)
{
if (this.cachedBuffer == null)
{
this.InternalGetBuffer(out buffer, out steps, out progress, out state, out residualCacheSize, out doneInCache);
}
else
{
buffer = this.cachedBuffer;
steps = this.cachedSteps;
progress = this.cachedProgress;
state = this.cachedState;
residualCacheSize = this.cachedResidualCacheSize;
doneInCache = this.cachedDoneInCache;
this.cachedBuffer = null;
}
if (state == FastTransferState.Partial || state == FastTransferState.NoRoom)
{
this.InternalGetBuffer(out this.cachedBuffer, out this.cachedSteps, out this.cachedProgress, out this.cachedState, out this.cachedResidualCacheSize, out this.cachedDoneInCache);
if ((this.cachedBuffer == null || this.cachedBuffer.Length == 0) && this.cachedState == FastTransferState.Done)
{
state = this.cachedState;
steps = this.cachedSteps;
progress = this.cachedProgress;
residualCacheSize = this.cachedResidualCacheSize;
doneInCache = this.cachedDoneInCache;
}
}
if (buffer == null)
{
buffer = Array <byte> .Empty;
}
if (state == FastTransferState.Done)
{
this.allowGetFinalState = true;
}
}
private void InternalGetBuffer(out byte[] buffer, out uint steps, out uint progress, out FastTransferState state, out int residualCacheSize, out bool doneInCache)
{
StoreSession session = this.folder.Session;
bool flag = false;
try
{
if (session != null)
{
session.BeginMapiCall();
session.BeginServerHealthCall();
flag = true;
}
if (StorageGlobals.MapiTestHookBeforeCall != null)
{
StorageGlobals.MapiTestHookBeforeCall(MethodBase.GetCurrentMethod());
}
FastTransferBlock fastTransferBlock = this.MapiGetBuffer(out residualCacheSize, out doneInCache);
buffer = fastTransferBlock.Buffer;
steps = fastTransferBlock.Steps;
progress = fastTransferBlock.Progress;
state = (FastTransferState)fastTransferBlock.State;
}
catch (MapiPermanentException ex)
{
throw StorageGlobals.TranslateMapiException(ServerStrings.CannotGetSynchronizeBuffers(typeof(SynchronizerProviderBase)), ex, session, this, "{0}. MapiException = {1}.", new object[]
{
string.Format("SynchronizerProviderBase.GetBuffer. Call to GetBuffer failed.", new object[0]),
ex
});
}
catch (MapiRetryableException ex2)
{
throw StorageGlobals.TranslateMapiException(ServerStrings.CannotGetSynchronizeBuffers(typeof(SynchronizerProviderBase)), ex2, session, this, "{0}. MapiException = {1}.", new object[]
{
string.Format("SynchronizerProviderBase.GetBuffer. Call to GetBuffer failed.", new object[0]),
ex2
});
}
finally
{
try
{
if (session != null)
{
session.EndMapiCall();
if (flag)
{
session.EndServerHealthCall();
}
}
}
finally
{
if (StorageGlobals.MapiTestHookAfterCall != null)
{
StorageGlobals.MapiTestHookAfterCall(MethodBase.GetCurrentMethod());
}
}
}
}