private FetchEventsResult fetchEventsBlock(IntPtr ControllerHandler, int eventIndex, int eventCount)
{
//log.Info("Requested from " + eventIndex + ", count of " + eventCount);
ZG_EV_TIME rTime = new ZG_EV_TIME();
ZG_CTR_DIRECT nDirect = new ZG_CTR_DIRECT();
ZG_CTR_EVENT[] aEvents = new ZG_CTR_EVENT[eventCount];
int hr = ZGIntf.ZG_Ctr_ReadEvents(ControllerHandler, eventIndex, aEvents, eventCount, null, IntPtr.Zero);
if (hr < 0)
{
log.Fatal("Ошибка ZG_Ctr_ReadEvents (" + hr + ")");
throw new ZCommonException("Ошибка ZG_Ctr_ReadEvents").setErrorCode(hr);
}
ZG_CTR_EVENT rEv;
FetchEventsResult result = new FetchEventsResult();
result.items = new List <ControllerEvent>();
for (int j = 0; j < eventCount; j++)
{
rEv = aEvents[j];
switch (rEv.nType)
{
case ZG_CTR_EV_TYPE.ZG_EV_KEY_NOT_FOUND:
case ZG_CTR_EV_TYPE.ZG_EV_KEY_OPEN:
case ZG_CTR_EV_TYPE.ZG_EV_KEY_ACCESS:
int nKeyIdx = 0;
int nKeyBank = 0;
ZGIntf.ZG_Ctr_DecodePassEvent(ControllerHandler, rEv.aData, ref rTime, ref nDirect, ref nKeyIdx, ref nKeyBank);
ControllerEvent newEvent = new ControllerEvent();
newEvent.month = rTime.nMonth;
newEvent.day = rTime.nDay;
newEvent.hour = rTime.nHour;
newEvent.minute = rTime.nMinute;
newEvent.second = rTime.nSecond;
newEvent.keyIndex = nKeyIdx;
result.items.Add(newEvent);
result.lastReadIndex = eventIndex + j;
result.lastReadMonth = rTime.nMonth;
result.lastReadDay = rTime.nDay;
result.lastReadHour = rTime.nHour;
result.lastReadMinute = rTime.nMinute;
result.lastReadSecond = rTime.nSecond;
break;
}
}
return(result);
}
public GetUnreadEventsResult getUnreadEvents(ushort serialNumber, int lastReadIndex, int lastReadMonth, int lastReadDay, int lastReadHour, int lastReadMinute, int lastReadSecond, int maxEvents)
{
IntPtr ControllerHandler = new IntPtr(0);
ZG_CTR_INFO ControllerInfo = new ZG_CTR_INFO();
GetUnreadEventsResult result = new GetUnreadEventsResult();
result.items = new List <ControllerEvent>();
try
{
//Открываем контроллер
int hr = ZGIntf.ZG_Ctr_Open(ref ControllerHandler, ConverterHandler, 255, serialNumber, ref ControllerInfo);
if (hr < 0)
{
log.Fatal("Ошибка ZG_Ctr_Open (" + hr + ")");
throw new ZCommonException("Ошибка ZG_Ctr_Open").setErrorCode(hr);
}
//Читаем указатель на следующее записываемое событие
int writeIndex = 0;
int _readIndex = 0;
hr = ZGIntf.ZG_Ctr_ReadEventIdxs(ControllerHandler, ref writeIndex, ref _readIndex);
//log.Info("WriteIndex: " + writeIndex);
if (lastReadIndex == -1)
{
//Никогда не читали событий из контроллера
//log.Info("Не читали события из контроллера");
if (writeIndex > 0)
{
FetchEventsResult fetchEventsResult = fetchEventsBlock(ControllerHandler, 0, writeIndex);
if (fetchEventsResult.items.Count > 0)
{
result.items = fetchEventsResult.items;
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
else
{
result.lastReadIndex = -1;
}
}
else
{
//Если следующий индекс, в который будет производиться запись, равен нулю, то ничего пока не читаем
result.lastReadIndex = -1;
}
}
else
{
//Читаем последнее полученное в прошлый раз событие
FetchEventsResult fetchEventsResult = fetchEventsBlock(ControllerHandler, lastReadIndex, 1);
//Если на прежнем месте события нет, или оно по свойствам отличается от последнего прочитанного, значит был сбой в работе контроллера
//и нужно перечитать все события с него
if ((fetchEventsResult.items.Count == 0) ||
!(fetchEventsResult.items[0].month == lastReadMonth) ||
!(fetchEventsResult.items[0].day == lastReadDay) ||
!(fetchEventsResult.items[0].hour == lastReadHour) ||
!(fetchEventsResult.items[0].minute == lastReadMinute) ||
!(fetchEventsResult.items[0].second == lastReadSecond)
)
{
//log.Info("Последнее событие отличается");
//Читаем хвост от следующего индекса записи до конца списка
fetchEventsResult = fetchEventsBlock(ControllerHandler, writeIndex, maxEvents - writeIndex);
if (fetchEventsResult.items.Count > 0)
{
result.items.AddRange(fetchEventsResult.items);
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
//Читаем от начала списка до следующего индекса записи
if (writeIndex > 0)
{
fetchEventsResult = fetchEventsBlock(ControllerHandler, 0, writeIndex);
if (fetchEventsResult.items.Count > 0)
{
result.items.AddRange(fetchEventsResult.items);
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
}
if (result.items.Count == 0)
{
result.lastReadIndex = -1;
}
}
else
{
//log.Info("Последнее событие в порядке");
if (writeIndex > lastReadIndex)
{
//Читаем небольшой хвост от текущего индекса до следующего индекса записи
fetchEventsResult = fetchEventsBlock(ControllerHandler, lastReadIndex + 1, writeIndex - lastReadIndex - 1);
if (fetchEventsResult.items.Count > 0)
{
result.items = fetchEventsResult.items;
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
else
{
result.lastReadIndex = lastReadIndex;
result.lastReadMonth = lastReadMonth;
result.lastReadDay = lastReadDay;
result.lastReadHour = lastReadHour;
result.lastReadMinute = lastReadMinute;
result.lastReadSecond = lastReadSecond;
}
}
else
{
//Индекс записи до шёл до конца списка и теперь отстаёт от нас
//Читаем вначале хвост от нас до конца списка
if (lastReadIndex < maxEvents - 1)
{
fetchEventsResult = fetchEventsBlock(ControllerHandler, lastReadIndex + 1, maxEvents - lastReadIndex - 1);
if (fetchEventsResult.items.Count > 0)
{
result.items.AddRange(fetchEventsResult.items);
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
}
//Читаем от начала списка до индекса записи
if (writeIndex > 0)
{
fetchEventsResult = fetchEventsBlock(ControllerHandler, 0, writeIndex);
if (fetchEventsResult.items.Count > 0)
{
result.items.AddRange(fetchEventsResult.items);
result.lastReadIndex = fetchEventsResult.lastReadIndex;
result.lastReadMonth = fetchEventsResult.lastReadMonth;
result.lastReadDay = fetchEventsResult.lastReadDay;
result.lastReadHour = fetchEventsResult.lastReadHour;
result.lastReadMinute = fetchEventsResult.lastReadMinute;
result.lastReadSecond = fetchEventsResult.lastReadSecond;
}
}
if (result.items.Count == 0)
{
result.lastReadIndex = lastReadIndex;
result.lastReadMonth = lastReadMonth;
result.lastReadDay = lastReadDay;
result.lastReadHour = lastReadHour;
result.lastReadMinute = lastReadMinute;
result.lastReadSecond = lastReadSecond;
}
}
}
}
//log.Info("Событий вернулось: " + result.items.Count);
return(result);
}
finally
{
//Автоматически закрываем контроллер
if (ControllerHandler != IntPtr.Zero)
{
ZGIntf.ZG_CloseHandle(ControllerHandler);
}
}
}
