private void CountQueueMessages(QSetQueueItem queueItem)
{
//first of all, ensure we have a node to work with
QueueItemListViewItemPair itemPair = null;
if (_itemPairHashTable.ContainsKey(queueItem.ID))
{
itemPair = (QSetMonitorWorker.QueueItemListViewItemPair)_itemPairHashTable[queueItem.ID];
}
else
{
//TODO create icon
itemPair = new QueueItemListViewItemPair(queueItem, new ListViewItem(queueItem.Name, (int)Images.IconType.Queue));
for (int subItemCounter = 0; subItemCounter < _COLUMNS; subItemCounter++)
{
itemPair.ListViewItem.SubItems.Add(string.Empty);
}
_itemPairHashTable.Add(itemPair.QSetQueueItem.ID, itemPair);
Action x = delegate { _monitorListView.Items.Add(itemPair.ListViewItem); };
_monitorListView.Invoke(x);
}
ManagementObject counter = null;
try
{
counter = new ManagementObject(String.Format("Win32_PerfRawdata_MSMQ_MSMQQueue.name='{0}'", itemPair.QSetQueueItem.Name));
counter.Get();
uint outgoingMessageCount = Convert.ToUInt32(counter.GetPropertyValue("MessagesInQueue"));
uint outgoingBytes = Convert.ToUInt32(counter.GetPropertyValue("BytesInQueue"));
Action herewegoagain = () =>
{
if (itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingMessageCount].Text != outgoingMessageCount.ToString()) //note: only do if necessary, to avoid flicker
{
itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingMessageCount].Text = outgoingMessageCount.ToString();
}
if (itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingBytes].Text != outgoingBytes.ToString()) //note: only do if necessary, to avoid flicker
{
itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingBytes].Text = outgoingBytes.ToString();
}
};
_monitorListView.Invoke(herewegoagain);
}
catch
{
//exception will occur when cannot get access to performance counters
}
finally
{
if (counter != null)
{
counter.Dispose();
}
}
}
/// <summary>
/// Runs the Q Set monitor.
/// </summary>
/// <param name="state"></param>
private void MonitorQSetWaitCallBack(object state)
{
bool subscribeToEvents = true;
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
while (!_isStopRequested)
{
//update monitor
RecurseQSet((QSetModel)state, subscribeToEvents);
subscribeToEvents = false;
_monitorListView.Invoke(new Action(() =>
{
// Delete any queues which have been removed
while (_deleteItemPairQueue.Count > 0)
{
QueueItemListViewItemPair itemPair = (QueueItemListViewItemPair)_deleteItemPairQueue.Dequeue();
_itemPairHashTable.Remove(itemPair.QSetQueueItem.ID);
_monitorListView.Items.Remove(itemPair.ListViewItem);
}
}));
Thread.Sleep(250);
}
_resetEvent.Set();
}
private void CountQueueMessages(QSetQueueItem queueItem)
{
//first of all, ensure we have a node to work with
QueueItemListViewItemPair itemPair = null;
if (_itemPairHashTable.ContainsKey(queueItem.ID))
itemPair = (QSetMonitorWorker.QueueItemListViewItemPair)_itemPairHashTable[queueItem.ID];
else
{
//TODO create icon
itemPair = new QueueItemListViewItemPair(queueItem, new ListViewItem(queueItem.Name, (int)Images.IconType.Queue));
for (int subItemCounter = 0; subItemCounter < _COLUMNS; subItemCounter ++)
itemPair.ListViewItem.SubItems.Add(string.Empty);
_itemPairHashTable.Add(itemPair.QSetQueueItem.ID, itemPair);
Action x = delegate { _monitorListView.Items.Add(itemPair.ListViewItem); };
_monitorListView.Invoke(x);
}
ManagementObject counter = null;
try
{
counter = new ManagementObject(String.Format("Win32_PerfRawdata_MSMQ_MSMQQueue.name='{0}'", itemPair.QSetQueueItem.Name));
counter.Get();
uint outgoingMessageCount = Convert.ToUInt32(counter.GetPropertyValue("MessagesInQueue"));
uint outgoingBytes = Convert.ToUInt32(counter.GetPropertyValue("BytesInQueue"));
Action herewegoagain = () =>
{
if (itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingMessageCount].Text != outgoingMessageCount.ToString()) //note: only do if necessary, to avoid flicker
itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingMessageCount].Text = outgoingMessageCount.ToString();
if (itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingBytes].Text != outgoingBytes.ToString()) //note: only do if necessary, to avoid flicker
itemPair.ListViewItem.SubItems[(int)SubItemList.OutgoingBytes].Text = outgoingBytes.ToString();
};
_monitorListView.Invoke(herewegoagain);
}
catch
{
//exception will occur when cannot get access to performance counters
}
finally
{
if (counter != null)
counter.Dispose();
}
}
