internal int GetMemberCountImmediate(IConfigurationSession session)
{
int num = 0;
try
{
if (!this.cachedCountLock.TryEnterReadLock(SystemAddressListMemberCountCacheValue.readerLockTimeout))
{
throw new TransientException(DirectoryStrings.ErrorTimeoutReadingSystemAddressListMemberCount);
}
if (!this.systemAddressListExists)
{
throw new ADNoSuchObjectException(DirectoryStrings.SystemAddressListDoesNotExist);
}
num = AddressBookBase.GetAddressListSize(session, this.systemAddressListGuid);
if (num == -1)
{
throw new ADNoSuchObjectException(DirectoryStrings.SystemAddressListDoesNotExist);
}
}
finally
{
try
{
this.cachedCountLock.ExitReadLock();
}
catch (SynchronizationLockException)
{
}
}
return(num);
}
private void UpdateMemberCount(object o)
{
try
{
SystemAddressListMemberCountCacheValue.UpdateInfo updateInfo = (SystemAddressListMemberCountCacheValue.UpdateInfo)o;
Exception ex = null;
int num = 0;
try
{
num = AddressBookBase.GetAddressListSize(updateInfo.Session, this.systemAddressListGuid);
}
catch (Exception ex2)
{
ex = ex2;
}
try
{
this.cachedCountLock.EnterWriteLock();
if (ex != null)
{
this.asyncException = ex;
}
else if (num == -1)
{
this.systemAddressListExists = false;
this.memberCount = 0;
this.lastQueriedTime = updateInfo.Now;
this.lifetime = TimeSpan.MaxValue;
}
else
{
this.memberCount = num;
this.lastQueriedTime = updateInfo.Now;
this.lifetime = this.CalculateValidLifetime(updateInfo.Quota);
}
}
finally
{
try
{
this.cachedCountLock.ExitWriteLock();
}
catch (SynchronizationLockException)
{
}
}
}
finally
{
Interlocked.Decrement(ref this.asyncUpdatesInProgress);
}
}
