/// <summary>
/// Sets the monitored items associated with the item.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="monitoredItems">The monitored items.</param>
public void SetMonitoredItems(GroupItem item, MonitoredItem[] monitoredItems)
{
// check if callbacks are enabled.
if (item == null || m_monitoredItems == null)
{
return;
}
// save the monitored items.
lock (m_monitoredItems)
{
DataChangeInfo info = null;
if (!m_monitoredItems.TryGetValue(item.ClientHandle, out info))
{
m_monitoredItems[item.ClientHandle] = info = new DataChangeInfo();
}
info.MonitoredItems = monitoredItems;
// resend the last cached value.
if (info.LastError != null || info.LastValue != null)
{
for (int ii = 0; ii < monitoredItems.Length; ii++)
{
monitoredItems[ii].QueueValue(info.LastValue, info.LastError);
}
}
}
}
/// <summary>
/// Called when a data change event arrives.
/// </summary>
/// <param name="clientHandles">The client handles.</param>
/// <param name="values">The values.</param>
internal void OnDataChange(int[] clientHandles, DaValue[] values)
{
// check if callbacks are enabled.
if (m_monitoredItems == null)
{
return;
}
// lookup client handle a report change directly to monitored item.
lock (m_monitoredItems)
{
for (int ii = 0; ii < clientHandles.Length; ii++)
{
DataChangeInfo info = null;
if (!m_monitoredItems.TryGetValue(clientHandles[ii], out info))
{
continue;
}
MonitoredItem[] monitoredItems = info.MonitoredItems;
// convert the value to a UA value.
info.LastValue = new DataValue();
info.LastError = ReadRequest.GetItemValue(values[ii], info.LastValue, DiagnosticsMasks.All);
info.LastValue.ServerTimestamp = DateTime.UtcNow;
// queue the values.
for (int jj = 0; jj < monitoredItems.Length; jj++)
{
monitoredItems[jj].QueueValue(info.LastValue, info.LastError);
}
}
}
}
public static void SendDataChangeEvent(DataChangeInfo info)
{
if (info == null)
{
return;
}
byte[] args = SerializeHelper.Serialize <DataChangeInfo>(info);
SendMsgManager.Instance.SendPvpMsg(PvpCode.C2P_DataChange, args);
}
/// <summary>
/// Sets the monitored items associated with the item.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="monitoredItems">The monitored items.</param>
public void SetMonitoredItems(GroupItem item, MonitoredItem[] monitoredItems)
{
// check if callbacks are enabled.
if (item == null || m_monitoredItems == null)
{
return;
}
// save the monitored items.
lock (m_monitoredItems)
{
DataChangeInfo info = null;
if (!m_monitoredItems.TryGetValue(item.ClientHandle, out info))
{
m_monitoredItems[item.ClientHandle] = info = new DataChangeInfo();
}
info.MonitoredItems = monitoredItems;
// resend the last cached value.
if (info.LastError != null || info.LastValue != null)
{
for (int ii = 0; ii < monitoredItems.Length; ii++)
{
monitoredItems[ii].QueueValue(info.LastValue, info.LastError);
}
}
}
}
