/// <summary>
/// Called when a page is received to store in the cache
/// </summary>
/// <param name="pageNumber">Page number</param>
/// <param name="subPageNumber">Subpage number</param>
/// <param name="pageData">PageData </param>
/// <param name="vbiLines">VBI lines</param>
public void PageReceived(int pageNumber, int subPageNumber, byte[] pageData, string vbiLines)
{
//if (pageNumber == 0x600) Trace.WriteLine(String.Format("PageReceived {0:X}/{1:X}", pageNumber, subPageNumber));
if (pageNumber < MIN_PAGE || pageNumber >= MAX_PAGE)
throw new ArgumentOutOfRangeException("pageNumber");
if (_pageCache[pageNumber] == null)
{
_pageCache[pageNumber] = new TeletextPage(pageNumber);
}
if (subPageNumber == 0)
{
if (_pageCache[pageNumber].SubPageCount > 0)
{
for (int i = 1; i <= _pageCache[pageNumber].SubPageCount; ++i)
{
_pageCache[pageNumber].Delete(pageNumber, i);
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, i);
}
}
}
}
if (subPageNumber > 0)
{
subPageNumber--;
}
bool isUpdate, isNew, isDeleted;
_pageCache[pageNumber].SubPageReceived(pageNumber, ref subPageNumber, ref pageData, out isUpdate, out isNew,
out isDeleted, vbiLines);
if (isNew)
{
if (OnPageAdded != null)
{
OnPageAdded(pageNumber, subPageNumber);
}
}
if (isDeleted)
{
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, subPageNumber);
}
}
if (isUpdate)
{
if (OnPageUpdated != null)
{
OnPageUpdated(pageNumber, subPageNumber);
}
}
TimeSpan ts = DateTime.Now - _checkTimer;
if (ts.TotalSeconds < 10)
return;
for (pageNumber = MIN_PAGE; pageNumber < MAX_PAGE; pageNumber++)
{
if (_pageCache[pageNumber] == null)
continue;
if (_pageCache[pageNumber].SubPageCount < 0)
continue;
ts = DateTime.Now - _pageCache[pageNumber].LastTimeReceived;
if (ts.TotalSeconds >= 120)
{
//if (pageNumber == 0x600)
// Trace.WriteLine("timeout on 600");
_pageCache[pageNumber].Dispose();
_pageCache[pageNumber] = null;
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, 0);
}
}
}
_checkTimer = DateTime.Now;
}
/// <summary>
/// Called when a page is received to store in the cache
/// </summary>
/// <param name="pageNumber">Page number</param>
/// <param name="subPageNumber">Subpage number</param>
/// <param name="pageData">PageData </param>
/// <param name="vbiLines">VBI lines</param>
public void PageReceived(int pageNumber, int subPageNumber, byte[] pageData, string vbiLines)
{
//if (pageNumber == 0x600) Trace.WriteLine(String.Format("PageReceived {0:X}/{1:X}", pageNumber, subPageNumber));
if (pageNumber < MIN_PAGE || pageNumber >= MAX_PAGE)
{
throw new ArgumentOutOfRangeException("pageNumber");
}
if (_pageCache[pageNumber] == null)
{
_pageCache[pageNumber] = new TeletextPage(pageNumber);
}
if (subPageNumber == 0)
{
if (_pageCache[pageNumber].SubPageCount > 0)
{
for (int i = 1; i <= _pageCache[pageNumber].SubPageCount; ++i)
{
_pageCache[pageNumber].Delete(pageNumber, i);
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, i);
}
}
}
}
if (subPageNumber > 0)
{
subPageNumber--;
}
bool isUpdate, isNew, isDeleted;
_pageCache[pageNumber].SubPageReceived(pageNumber, ref subPageNumber, ref pageData, out isUpdate, out isNew,
out isDeleted, vbiLines);
if (isNew)
{
if (OnPageAdded != null)
{
OnPageAdded(pageNumber, subPageNumber);
}
}
if (isDeleted)
{
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, subPageNumber);
}
}
if (isUpdate)
{
if (OnPageUpdated != null)
{
OnPageUpdated(pageNumber, subPageNumber);
}
}
TimeSpan ts = DateTime.Now - _checkTimer;
if (ts.TotalSeconds < 10)
{
return;
}
for (pageNumber = MIN_PAGE; pageNumber < MAX_PAGE; pageNumber++)
{
if (_pageCache[pageNumber] == null)
{
continue;
}
if (_pageCache[pageNumber].SubPageCount < 0)
{
continue;
}
ts = DateTime.Now - _pageCache[pageNumber].LastTimeReceived;
if (ts.TotalSeconds >= 120)
{
//if (pageNumber == 0x600)
// Trace.WriteLine("timeout on 600");
_pageCache[pageNumber].Dispose();
_pageCache[pageNumber] = null;
if (OnPageDeleted != null)
{
OnPageDeleted(pageNumber, 0);
}
}
}
_checkTimer = DateTime.Now;
}
