private Timer _t; //timer for doing period cleaning out of the object cache
#endregion Fields
#region Constructors
public aaAttributeManager()
{
Singleton = this;
ListenPort = 8123;
//If we can't do the following, then we can't continue anyway so let the caller handle the error
_lmxServer = new ArchestrA.MxAccess.LMXProxyServerClass();
_hLmx = _lmxServer.Register("aaAttributeBrowser");
_lmxServer.OnDataChange += new _ILMXProxyServerEvents_OnDataChangeEventHandler(LMX_OnDataChange);
_t = new Timer(CleanStaleObjects, null, TimeSpan.Zero, TimeSpan.FromMilliseconds(-1));
}
static void ConnectMXAccess()
{
int hitem;
try
{
if (_LMX_Server == null)
{
// instantiate an ArchestrA.MxAccess.LMXProxyServer
try
{
_LMX_Server = new ArchestrA.MxAccess.LMXProxyServerClass();
}
catch
{
throw;
}
}
if ((_LMX_Server != null) && (_hLMX == 0))
{
// Register with LMX and get the Registration handle
_hLMX = _LMX_Server.Register("aaDataForwarderApp");
// connect the event handlers
_LMX_Server.OnDataChange += new _ILMXProxyServerEvents_OnDataChangeEventHandler(LMX_OnDataChange);
_LMX_Server.OnWriteComplete += new _ILMXProxyServerEvents_OnWriteCompleteEventHandler(LMX_OnWriteComplete);
}
// Read in the MX Access Settings from the configuration file
_MXAccessSettings = JsonConvert.DeserializeObject <localMXAccessSettings>(System.IO.File.ReadAllText("mxaccess.json"));
// Loop through all of the tags and add
foreach (publish publishtag in _MXAccessSettings.publishtags)
{
log.Info("Adding Publish for " + publishtag.tag);
hitem = _LMX_Server.AddItem(_hLMX, publishtag.tag);
if (hitem > 0)
{
_MXAccessTagDictionary.Add(hitem, publishtag.tag);
_LMX_Server.Advise(_hLMX, hitem);
}
}
// Loop through all of the tags we are subscribing to and get those on supervisory advise so we can perform writes
if (MQTTOK())
{
// Now add the subscriptions
List <string> topics = new List <string>();
List <byte> qoslevels = new List <byte>();
// First get on advise
foreach (subscription sub in _MXAccessSettings.subscribetags)
{
log.Info("Adding Subscribe for " + sub.writetag);
hitem = _LMX_Server.AddItem(_hLMX, sub.writetag);
if (hitem > 0)
{
sub.hitem = hitem;
_MXAccessTagDictionary.Add(hitem, sub.writetag);
_LMX_Server.AdviseSupervisory(_hLMX, hitem);
topics.Add(sub.topic.ToLower());
qoslevels.Add(sub.qoslevel);
}
}
// Now add all the subscritpions and QOS in one statement
_mqttClient.Subscribe(topics.ToArray <string>(), qoslevels.ToArray <byte>());
}
}
catch
{
throw;
}
}