private static ICryptoTransform GetCryptoTransform(bool fEncrypt)
{
InterlockedStack st = (fEncrypt ? s_oEncryptorStack : s_oDecryptorStack);
ICryptoTransform ct = (st.Pop() as ICryptoTransform);
if (null == ct)
{
ct = NewCryptTransform(fEncrypt);
}
return(ct);
}
private static void ConfigureEncryptionObject()
{
lock (s_initLock) {
if (null == s_oDes)
{
s_oEncryptorStack = new InterlockedStack();
s_oDecryptorStack = new InterlockedStack();
s_oHashAlgoStack = new InterlockedStack();
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
des.GenerateKey();
des.GenerateIV();
s_oDes = des;
}
}
}
public DBObjectPool(DBObjectPoolControl ctrl)
{
_state = State.Initializing;
_ctrl = ctrl;
#if USECOUNTEROBJECT
_poolCounter = new Counter();
#endif //USECOUNTEROBJECT
_stackOld = new InterlockedStack();
_stackNew = new InterlockedStack();
_waitHandles = new ObjectPoolWaitHandle[3];
_waitHandles[SEMAPHORE_HANDLE] = CreateWaitHandle(SafeNativeMethods.CreateSemaphore(IntPtr.Zero, 0, MAX_Q_SIZE, IntPtr.Zero), false);
_waitHandles[ERROR_HANDLE] = CreateWaitHandle(SafeNativeMethods.CreateEvent(IntPtr.Zero, 1, 0, IntPtr.Zero), false);
_creationMutex = new Mutex();
_waitHandles[CREATION_HANDLE] = CreateWaitHandle(_creationMutex.Handle, true);
_errorWait = ERROR_WAIT_DEFAULT;
_cleanupWait = 0; // Set in CreateCleanupTimer
_errorTimer = null; // No error yet.
_objectList = new ArrayList(_ctrl.MaxPool);
if (ctrl.TransactionAffinity)
{
OperatingSystem osversion = Environment.OSVersion;
if (PlatformID.Win32NT == osversion.Platform && 5 <= osversion.Version.Major) // TODO: create an ADP.IsPlatformNT5 function?
{
_txPool = CreateResourcePool();
}
}
_cleanupTimer = CreateCleanupTimer();
_state = State.Running;
// PerfCounters - this counter will never be decremented!
IncrementPoolCount();
// Make sure we're at quota by posting a callback to the threadpool.
ThreadPool.QueueUserWorkItem(new WaitCallback(PoolCreateRequest));
}
private static void ReturnCryptoTransform(bool fEncrypt, ICryptoTransform ct)
{
InterlockedStack st = (fEncrypt ? s_oEncryptorStack : s_oDecryptorStack);
st.Push(ct);
}