private void WriteTag_ValueChanged(object sender, OpcDataChangeEventArgs e)
{
var monitoredNode = (OpcMonitoredItem)sender;
var nodeValue = (bool)Client.ReadNode(monitoredNode.NodeId).Value;
int stationNum = int.Parse(monitoredNode.NodeId.ToString()
.Remove(0, 42).Substring(
monitoredNode.NodeId.ToString()
.Remove(0, 42).IndexOf("_", 0, StringComparison.Ordinal) + 1, 1));
if (!nodeValue) // False
{
return;
}
#region Write to OPC UA
var tagNodeId = new OpcNodeId("2:RFID_Communications.RFID Readers.Station_" + stationNum + "_Tag");
var reader = Program.RfidReaders.FirstOrDefault(i => i.ReaderName == "Station" + stationNum);
if (reader == null)
{
return;
}
var guid = Program.RfidReaders.First(i => i.ReaderName == "Station" + stationNum).WriteEpc();
Client.WriteNode(monitoredNode.NodeId, false);
Client.WriteNode(tagNodeId, guid);
#endregion Write to OPC UA
}
public ObservedNode Add(OpcClient client, OpcNodeId parentNodeId, string name)
{
var item = new ObservedNode(parentNodeId, name);
item.Initialize(client);
this.Add(item);
return(item);
}
//private BackgroundWorker backgroundWorker;
public MainWindow()
{
//opcUaWorker.OPCNotify += OpcUaWorker_OPCNotify;
InitializeComponent();
Firstcheck = false;
on = new SolidColorBrush(Color.FromRgb(0, 255, 0));
error = new SolidColorBrush(Color.FromRgb(255, 0, 0));
neutral = new SolidColorBrush(Color.FromRgb(221, 221, 221));
Main_pressure.IsReadOnly = true;
Crio_pressure.IsReadOnly = true;
ForVac_pressure.IsReadOnly = true;
PnePressure.IsReadOnly = true;
CamTemperature.IsReadOnly = true;
Crio_temperature.IsReadOnly = true;
UpdateTimerCallBack = new TimerCallback(delegate {
UpdateGUI(null);
});
UpdateTimer = new Timer(UpdateTimerCallBack, null, 0, 1000);
var client = new OpcClient("opc.tcp://192.168.0.10:4840/");
client.Connect();
var node = client.BrowseNode("ns=3;s=\"Crio_DB\".\"Crio\".\"Input\"");
if (node is OpcVariableNodeInfo variablenode)
{
OpcNodeId datatypeid = variablenode.DataTypeId;
OpcDataTypeInfo datatype = client.GetDataTypeSystem().GetType(datatypeid);
Console.WriteLine(datatype.TypeId);
Console.WriteLine(datatype.Encoding);
Console.WriteLine(datatype.Name);
foreach (OpcDataFieldInfo field in datatype.GetFields())
{
Console.WriteLine(".{0} : {1}", field.Name, field.FieldType);
}
Console.WriteLine();
Console.WriteLine("data type attributes:");
Console.WriteLine(
"\t[opcdatatype(\"{0}\")]",
datatype.TypeId.ToString(OpcNodeIdFormat.Foundation));
Console.WriteLine(
"\t[opcdatatypeencoding(\"{0}\", namespaceuri = \"{1}\")]",
datatype.Encoding.Id.ToString(OpcNodeIdFormat.Foundation),
datatype.Encoding.Namespace.Value);
}
Console.WriteLine("А я из основного потока. Просто надо так сделать");
}
private int ReadTagChange(OpcNodeId nodeId)
{
try
{
ServiceConfig.Reader readerConfig = null;
foreach (var serviceConfig in RfidService.ServiceConfigs)
{
readerConfig =
serviceConfig.Readers.FirstOrDefault(reader =>
reader.Tags.ReaderTag.ReadTag == nodeId.ToString());
if (readerConfig != null)
{
break;
}
}
if (readerConfig == null)
{
_eventLog.WriteEntry("Unable to find matching config. Check system settings.", EventLogEntryType.Error, (int)EventIds.Ids.NullReaderError);
_client.WriteNode(nodeId, false);
return(1);
}
using (var reader = new RfidReader(readerConfig, ref _eventLog))
{
if (!reader.GetStatus())
{
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorBool, true);
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorString, "Reader not online!");
_client.WriteNode(nodeId, false);
return(1);
}
var nodeVal = reader.Read_Epc();
if (string.IsNullOrEmpty(nodeVal))
{
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorBool, true);
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorString, "No Tags Detected!");
_client.WriteNode(readerConfig.Tags.UuidTag.UuidTag, string.Empty);
}
else
{
_client.WriteNode(readerConfig.Tags.UuidTag.UuidTag, nodeVal);
}
_client.WriteNode(nodeId, false);
}
return(0);
}
catch (Exception e)
{
_eventLog.WriteEntry($"Unknown Error\n{e.Message}\n{e.StackTrace}\n\n{e.InnerException}", EventLogEntryType.Error, (int)EventIds.Ids.UnknownError);
return(1);
}
}
/// <summary>
/// Write the DataValue 'dv' to the CSV file.
/// </summary>
protected virtual void WriteDataValueToCsvFile(DataValue dv)
{
TMValue tmvalue =
new TMValue(
OpcNodeId.ToString(),
dv.ServerTimestamp,
dv.WrappedValue.ToString(),
dv.StatusCode.ToString()
);
tmvalue.WriteToCsvFile();
}
public MainViewModel()
: base()
{
this.address = new Uri("opc.tcp://localhost:4840");
this.addressStatus = "Enter address of server.";
this.nodeId = "ns=2;s=MyNode";
this.nodeStatus = "Enter a node identifier and click 'Subscribe'.";
this.SubscribeCommand = new DelegateCommand(
execute: (_) => this.Subscribe(),
canExecute: (_) => this.AddressIsValid && this.NodeIdIsValid);
}
private static IEnumerable <OpcNodeId> BrowseNodes(OpcClient client, OpcNodeId rootNodeId)
{
var rootNode = client.BrowseNode(rootNodeId);
foreach (var node in rootNode.Children())
{
var name = node.Name.Value;
if (name.StartsWith("Var") || name == "Timestamp")
{
yield return(node.NodeId);
}
}
}
public int SubscribeNode(OpcNodeId nodeId)
{
try
{
_client.SubscribeDataChange(nodeId, TagValueChanged);
return(0);
}
catch (OpcException e)
{
_eventLog.WriteEntry($"Connection Failed. \n\tError Code:{e.Code}\n\tMessage:{e.Message}\n\tCause:{e.Result}", EventLogEntryType.Error, (int)EventIds.Ids.OpcConnectionFailure);
return(1);
}
}
/// <summary>
/// Setup Opc Client
/// </summary>
public RunOpc()
{
#region Setup OPC UA
Client.ServerAddress = new Uri("opc.tcp://127.0.0.1:49320");
Client.ApplicationName = AppDomain.CurrentDomain.FriendlyName;
Client.Security.AutoAcceptUntrustedCertificates = true;
Client.Connect();
for (int i = 8; i <= 13; i++)
{
var readNodeId = new OpcNodeId("2:RFID_Communications.RFID Readers.Station_" + i + "_Read");
OpcSubscriptions.Add(Client.SubscribeDataChange(readNodeId, ReadTag_ValueChanged));
Console.WriteLine("Subscribed to node {0}\nCurrent Node Value {1}\n", readNodeId.Value, Client.ReadNode(readNodeId).Value);
}
var writeNodeId = new OpcNodeId("2:RFID_Communications.RFID Readers.Station_8_Write");
OpcSubscriptions.Add(Client.SubscribeDataChange(writeNodeId, WriteTag_ValueChanged));
writeNodeId = new OpcNodeId("2:RFID_Communications.RFID Readers.Station_9_Write");
OpcSubscriptions.Add(Client.SubscribeDataChange(writeNodeId, WriteTag_ValueChanged));
#endregion Setup OPC UA
}
public Repository(SQLiteConnection connection, OpcNodeId nodeId)
: base()
{
this.connection = connection;
this.syncRoot = new object();
var nodeIdValue = nodeId.ToString();
//this.Create(value)
{
this.createCommand = this.connection.CreateCommand();
var commandText
= "insert into HistoryData ("
+ " NodeId, "
+ " Timestamp, "
+ " TimestampValue, "
+ " Value, ";
if (!IsModifiedHistory)
{
commandText
+= " StatusCode)";
}
else
{
commandText
+= " StatusCode, "
+ " ModificationTime, "
+ " ModificationTimeValue, "
+ " ModificationType, "
+ " ModificationUserName)";
}
commandText
+= " values ("
+ " @nodeId, "
+ " @timestamp, "
+ " @timestampValue, "
+ " @value, ";
if (!IsModifiedHistory)
{
commandText
+= " @statusCode)";
}
else
{
commandText
+= " @statusCode, "
+ " @modificationTime, "
+ " @modificationTimeValue, "
+ " @modificationType, "
+ " @modificationUserName)";
}
this.createCommand.CommandText = commandText;
var parameters = this.createCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.createTimestamp = parameters.Add("@timestamp", DbType.DateTime);
this.createTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
this.createValue = parameters.Add("@value", DbType.Object);
this.createStatusCode = parameters.Add("@statusCode", DbType.Int64);
if (IsModifiedHistory)
{
this.createModificationTime = parameters.Add("@modificationTime", DbType.DateTime);
this.createModificationTimeValue = parameters.Add("@modificationTimeValue", DbType.Int64);
this.createModificationType = parameters.Add("@modificationType", DbType.Byte);
this.createModificationUserName = parameters.Add("@modificationUserName", DbType.String);
}
}
//this.Delete(timestamp)
{
this.deleteCommand = this.connection.CreateCommand();
this.deleteCommand.CommandText
= "delete from HistoryData "
+ " where NodeId = @nodeId "
+ " and TimestampValue = @timestampValue";
var parameters = this.deleteCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.deleteTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Delete(startTime, endTime)
{
this.deleteRangeCommand = this.connection.CreateCommand();
this.deleteRangeCommand.CommandText
= "delete from HistoryData "
+ " where NodeId = @nodeId "
+ " and TimestampValue >= @startTimeValue "
+ " and TimeStampValue <= @endTimeValue";
var parameters = this.deleteRangeCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.deleteRangeStartTimeValue = parameters.Add("@startTimeValue", DbType.Int64);
this.deleteRangeEndTimeValue = parameters.Add("@endTimeValue", DbType.Int64);
}
//this.Exists(timestamp)
{
this.existsCommand = this.connection.CreateCommand();
this.existsCommand.CommandText
= "select count(1) "
+ " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue = @timestampValue";
var parameters = this.existsCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.existsTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Read(timestamp)
{
this.readCommand = this.connection.CreateCommand();
var commandText
= "select hd.TimestampValue, "
+ " hd.Value, ";
if (!IsModifiedHistory)
{
commandText
+= " hd.StatusCode ";
}
else
{
commandText
+= " hd.StatusCode, "
+ " hd.ModificationTimeValue, "
+ " hd.ModificationType, "
+ " hd.ModificationUserName ";
}
commandText
+= " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue = @timestampValue";
this.readCommand.CommandText = commandText;
var parameters = this.readCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.readTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Read(startTime, endTime)
{
this.readRangeCommand = this.connection.CreateCommand();
var commandText
= "select hd.TimestampValue, "
+ " hd.Value, ";
if (!IsModifiedHistory)
{
commandText
+= " hd.StatusCode ";
}
else
{
commandText
+= " hd.StatusCode, "
+ " hd.ModificationTimeValue, "
+ " hd.ModificationType, "
+ " hd.ModificationUserName ";
}
commandText
+= " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue >= @startTimeValue "
+ " and hd.TimestampValue <= @endTimeValue";
this.readRangeCommand.CommandText = commandText;
var parameters = this.readRangeCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.readRangeStartTimeValue = parameters.Add("@startTimeValue", DbType.Int64);
this.readRangeEndTimeValue = parameters.Add("@endTimeValue", DbType.Int64);
}
//this.Update(value)
{
this.updateCommand = this.connection.CreateCommand();
var commandText
= "update HistoryData "
+ " set Value = @value, ";
if (!IsModifiedHistory)
{
commandText
+= " StatusCode = @statusCode ";
}
else
{
commandText
+= " StatusCode = @statusCode, "
+ " ModificationTime = @modificationTime, "
+ " ModificationTimeValue = @modificationTimeValue, "
+ " ModificationType = @modificationType, "
+ " ModificationUserName = @modificationUserName ";
}
commandText
+= "where NodeId = @nodeId "
+ " and TimestampValue = @timestampValue";
this.updateCommand.CommandText = commandText;
var parameters = this.updateCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.updateTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
this.updateValue = parameters.Add("@value", DbType.Object);
this.updateStatusCode = parameters.Add("@statusCode", DbType.Int64);
if (IsModifiedHistory)
{
this.updateModificationTime = parameters.Add("@modificationTime", DbType.DateTime);
this.updateModificationTimeValue = parameters.Add("@modificationTimeValue", DbType.Int64);
this.updateModificationType = parameters.Add("@modificationType", DbType.Byte);
this.updateModificationUserName = parameters.Add("@modificationUserName", DbType.String);
}
}
}
private static IEnumerable <OpcMonitoredItem> CreateMonitoredItems(OpcClient client, OpcNodeId rootNodeId)
{
var node = client.BrowseNode(rootNodeId);
foreach (var childNode in node.Children())
{
yield return(new OpcMonitoredItem(childNode.NodeId, OpcAttribute.Value));
}
}
private static IEnumerable <OpcSubscribeDataChange> CreateCommands(OpcClient client, OpcNodeId rootNodeId)
{
var node = client.BrowseNode(rootNodeId);
foreach (var childNode in node.Children())
{
yield return(new OpcSubscribeDataChange(childNode.NodeId, HandleDataChange));
}
}
public ObservedNode(OpcNodeId parentNodeId, string name)
: base()
{
this.Id = OpcNodeId.Of(name, parentNodeId);
this.Label = (name + ":").PadRight(16);
}
