public ReferenceDescriptionCollection GetServerTagList()
{
ReferenceDescriptionCollection result = new ReferenceDescriptionCollection();
try
{
ReferenceDescriptionCollection referenceDescriptions = session.FetchReferences(ObjectIds.ObjectsFolder);
ReferenceDescriptionCollection additionalReferenceDescriptions = new ReferenceDescriptionCollection();
result.AddRange(referenceDescriptions);
for (var i = 0; i < referenceDescriptions.Count; i++)
{
try
{
var refDef = FetchReferences(ExpandedNodeId.ToNodeId(referenceDescriptions[i].NodeId, session.NamespaceUris));
foreach (var r in refDef)
{
var item = referenceDescriptions.FirstOrDefault(x => x.NodeId == r.NodeId);
if (item == null)
{
referenceDescriptions.Add(r);
}
additionalReferenceDescriptions.Add(r);
}
}catch (Exception ex)
{
var e = new Exception($"{i}: {referenceDescriptions[i].NodeId}", ex);
e.Data.Add($"{i}", referenceDescriptions[i]);
throw e;
}
//Recurse(rd, result);
}
}
catch (Exception ex)
{
}
return(result);
}
public Dictionary <string, OpcOperation> GetOpcOperationCollection(List <Operation> operations, ReferenceDescriptionCollection references)
{
try
{
Dictionary <string, OpcOperation> _operationTriggers = operations.ToDictionary(x => x.Name, x => new OpcOperation("Recipe_" + x.Name + "_xload",
new NodeId((references.FirstOrDefault(n => 0 == string.Compare(n.DisplayName.ToString(), "Recipe_" + x.Name + "_xload", true))?.NodeId.ToString())),
new NodeId((references.FirstOrDefault(n => 0 == string.Compare(n.DisplayName.ToString(), "Recipe_" + x.Name + "_iNumSet", true))?.NodeId.ToString())),
new NodeId((references.FirstOrDefault(n => 0 == string.Compare(n.DisplayName.ToString(), "Recipe_" + x.Name + "_iNumGet", true))?.NodeId.ToString())),
x.Items.Item.Select(z => new OpcOperationItem("Recipe_" + x.Name + "_" + z.Name, z.Type,
new NodeId((references.FirstOrDefault(n => 0 == string.Compare(n.DisplayName.ToString(), "Recipe_" + x.Name + "_" + z.Name, true))?.NodeId.ToString()))))));
return(_operationTriggers);
}
catch (NullReferenceException ex)
{
_logger.Error("Error _operationTriggers collection can't be used: {0}", ex);
throw ex;
}
catch (Exception ex)
{
_logger.Error(ex, "Error _operationTriggers collection can't be used: {0}", ex.Message);
throw ex;
}
}
public static void Run(string pathToXml, string connectionString, string databaseName)
{
try
{
var _opcClient = new OpcClientService();
if (pathToXml == null || pathToXml.Length == 0)
{
throw new ArgumentException();
}
_connectionString = connectionString;
_databaseName = databaseName;
var _operations = XmlSerializer.GetOperations(pathToXml);
_operationTriggers = new Dictionary <string, OpcOperation>();
_branchs = new List <string>()
{
"plc1", "hmi_recipe"
};
_operationManager = new OperationManager(_logger);
_applicationConfiguration = _applicationConfiguration ?? _opcClient.GetApplicationConfiguration();
_applicationInstance = _applicationInstance ?? _opcClient.GetApplicationInstance(_applicationConfiguration);
_ifSertificate = _opcClient.CheckSertificate(_applicationInstance);
_endpointConfiguration = _endpointConfiguration ?? _opcClient.GetEndpointConfiguration(_applicationConfiguration);
try
{
_endpointDescription = _endpointDescription ?? _opcClient.GetEndpointDescription();
}
catch (ServiceResultException ex)
{
throw ex;
}
_configuredEndPoint = _configuredEndPoint ?? _opcClient.GetConfiguredEndpoint(_endpointDescription, _endpointConfiguration);
_session = _opcClient.GetSession(_applicationConfiguration, _configuredEndPoint);
if (!_session.Connected)
{
Thread.Sleep(10000);
return;
}
if (_session == null)
{
_session.KeepAliveInterval = 2000;
_session.KeepAlive += new KeepAliveEventHandler(Session_KeepAlive);
}
SearchDataInTree(_session, ObjectIds.ObjectsFolder);
foreach (var s in _branchs)
{
var _element = s;
SearchDataInTree(_session, new NodeId((_references.FirstOrDefault(x => 0 == string.Compare(x.DisplayName.ToString(), _element, true)).NodeId.ToString())));
}
_operationTriggers = _operationManager.GetOpcOperationCollection(_operations, _references);
var _operationsListForSubscribe = _references.FindAll(x => true == _operationTriggers.Any(z => 0 == string.Compare(z.Value.key, x.DisplayName.ToString(), true)));
var _subscription = new Subscription(_session.DefaultSubscription)
{
PublishingInterval = 1000
};
var _monitoredItems = Subscribe(_subscription, _operationsListForSubscribe);
_monitoredItems.ForEach(i => i.Notification += OnNotification);
Console.WriteLine("Step 1 - Add a list of items you wish to monitor to the subscription.");
_subscription.AddItems(_monitoredItems);
Console.WriteLine("Step 2 - Add the subscription to the session.");
_session.AddSubscription(_subscription);
_subscription.Create();
Console.WriteLine("===================//--//=========================");
Console.ReadKey(true);
}
catch (Exception ex)
{
_logger.Error(ex, "Error SearchDataInTree method: {0}", ex.Message);
}
}
