/// <summary>
/// Waits for a slot event, such as token insertion or token removal, to occur
/// </summary>
/// <param name="waitType">Type of waiting for a slot event</param>
/// <param name="eventOccured">Flag indicating whether event occured</param>
/// <param name="slotId">PKCS#11 handle of slot that the event occurred in</param>
public void WaitForSlotEvent(WaitType waitType, out bool eventOccured, out ulong slotId)
{
if (this._disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
_logger.Debug("Pkcs11({0})::WaitForSlotEvent", _libraryPath);
NativeULong flags = (waitType == WaitType.NonBlocking) ? CKF.CKF_DONT_BLOCK : 0;
NativeULong slotId_ = 0;
CKR rv = _p11.C_WaitForSlotEvent(flags, ref slotId_, IntPtr.Zero);
if (waitType == WaitType.NonBlocking)
{
if (rv == CKR.CKR_OK)
{
eventOccured = true;
slotId = ConvertUtils.UInt64ToUInt64(slotId_);
}
else if (rv == CKR.CKR_NO_EVENT)
{
eventOccured = false;
slotId = ConvertUtils.UInt64ToUInt64(slotId_);
}
else
{
throw new Pkcs11Exception("C_WaitForSlotEvent", rv);
}
}
else
{
if (rv == CKR.CKR_OK)
{
eventOccured = true;
slotId = ConvertUtils.UInt64ToUInt64(slotId_);
}
else
{
throw new Pkcs11Exception("C_WaitForSlotEvent", rv);
}
}
}
/// <summary>
/// Waits for a slot event, such as token insertion or token removal, to occur
/// </summary>
/// <param name="dontBlock">Flag indicating that method should not block until an event occurs - it should return immediately instead. See PKCS#11 standard for full explanation.</param>
/// <param name="eventOccured">Flag indicating whether event occured</param>
/// <param name="slotId">PKCS#11 handle of slot that the event occurred in</param>
public void WaitForSlotEvent(bool dontBlock, out bool eventOccured, out ulong slotId)
{
if (this._disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
ulong flags = (dontBlock) ? CKF.CKF_DONT_BLOCK : 0;
ulong slotId_ = 0;
CKR rv = _p11.C_WaitForSlotEvent(flags, ref slotId_, IntPtr.Zero);
if (dontBlock)
{
if (rv == CKR.CKR_OK)
{
eventOccured = true;
slotId = slotId_;
}
else if (rv == CKR.CKR_NO_EVENT)
{
eventOccured = false;
slotId = slotId_;
}
else
{
throw new Pkcs11Exception("C_WaitForSlotEvent", rv);
}
}
else
{
if (rv == CKR.CKR_OK)
{
eventOccured = true;
slotId = slotId_;
}
else
{
throw new Pkcs11Exception("C_WaitForSlotEvent", rv);
}
}
}