public override PriorityDestinationGroupList GetPriorityGroups()
{
PriorityDestinationGroupList list = new PriorityDestinationGroupList();
IDataReader rd = null;
try
{
Database db = DatabaseFactory.GetDatabase();
rd = db.ExecQuery(_selectPriorityDest, _connection, null);
while (rd.Read())
{
PriorityDestinationGroup g = new PriorityDestinationGroup(
rd.GetDecimal(0), rd.GetDecimal(1));
list.Add(g);
}
}
catch (Exception ex)
{
Debug.WriteLine("CSMessageConfiguration.GetPriorityGroups error - " + ex.Message);
}
finally
{
if (rd != null)
{
rd.Close();
}
}
return(list);
}
public override DataSet GetPriorityGroupMessages(PriorityDestinationGroup g)
{
DataSet retVal = null;
try
{
Database db = DatabaseFactory.GetDatabase();
retVal = db.FillDataSet(_selectMsgsByPriorityDest, "MSGS", g.Priority, g.Destination);
int rowCount = retVal.Tables[0].Rows.Count;
if (rowCount > _maxPacketMessages)
{
for (int i = _maxPacketMessages; i < rowCount; i++)
{
retVal.Tables[0].Rows[i].Delete();
}
retVal.AcceptChanges();
}
}
catch (Exception ex)
{
Debug.WriteLine("CSMessageConfiguration.GetPriorityGroupMessages error - " + ex.Message);
Debug.WriteLine(ex.StackTrace);
}
return(retVal);
}
/// <summary>
/// The thread procedure controlling the periodic sending process
/// </summary>
protected virtual void SendThreadProc()
{
Debug.WriteLine("MessageSender sender thread started");
_timer.Change(_period, _period);
while (!_stopping)
{
_evtWakeup.WaitOne();
if (!_stopping)
{
_evtWakeup.Reset();
// if (Parameterization.MediaContext != null &&
// Parameterization.MediaContext.IsMediaAvailable(MediaType.CcBase))
// {
PriorityDestinationGroupList groups =
_msgCfg.GetPriorityGroups();
if (groups.Count > 0)
{
IEnumerator en = groups.GetEnumerator();
while (en.MoveNext())
{
PriorityDestinationGroup g =
(PriorityDestinationGroup)en.Current;
DataSet ds = _msgCfg.GetPriorityGroupMessages(g);
if (ds != null)
{
Debug.WriteLine(String.Format("MessageSender - issuing msgs <{0}, {1}>",
g.Destination, g.Priority));
FilterByMediaAvailablility(ds);
if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(SendOneThreadProc), ds);
}
else
{
Debug.WriteLine("MessageSender - messages not tried (media unavailable?)");
}
}
else
{
Debug.WriteLine(String.Format("MessageSender - No messages found for <{0}, {1}>",
g.Destination, g.Priority));
}
}
}
// }
Thread.Sleep(0);
}
}
_timer.Change(Timeout.Infinite, Timeout.Infinite);
Debug.WriteLine("MessageSender sender thread stopped");
}
public void Add(PriorityDestinationGroup group)
{
_groups.Add(group);
}
/// <summary>
/// Returns the messages belonging to a priority and destination group
/// </summary>
/// <param name="g">The group of the requested messages</param>
/// <returns>A dataset containing the messages having the same
/// priority and destination. They are ordered by the values of their
/// retry policy</returns>
public virtual DataSet GetPriorityGroupMessages(PriorityDestinationGroup g)
{
return(null);
}