public void Stop()
{
if (l_server != null)
{
l_server.Dispose();
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
if (_server != null)
{
_server.Dispose();
}
GC.SuppressFinalize(this);
}
public override void Dispose()
{
if (!ServiceManager.DesignMode)
{
//WriteXml();
if (_opcDaServer != null && _opcDaServer.IsConnected)
{
_opcDaServer.Disconnect();
_opcDaServer.Dispose();
}
}
}
private Connection CreateConnection(string serverUrl)
{
ServiceManager.LogMessage("Connecting to {0}...", serverUrl);
URL url = new URL(serverUrl);
Opc.Da.Server server = null;
try
{
server = new Opc.Da.Server(new OpcCom.Factory(), url);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
try
{
server.Connect();
Opc.Da.ServerStatus serverStatus = server.GetStatus();
if (serverStatus.ServerState != Opc.Da.serverState.running)
{
throw new Exception(String.Format("Bad server state ({0})", serverStatus.ServerState));
}
Connection connection = new Connection(serverUrl, server);
server = null;
stopwatch.Stop();
ServiceManager.LogMessage("Successful created new connection {0}: {1} ({2} ms)",
connection.GetUID(), serverUrl, stopwatch.ElapsedMilliseconds);
Counter counter = counters[serverUrl];
Interlocked.Increment(ref counter.numConnections);
return(connection);
}
catch (Exception ex)
{
stopwatch.Stop();
ServiceManager.LogMessage("Failed create new connection to {0}: {1} ({2} ms)",
serverUrl, ex.Message, stopwatch.ElapsedMilliseconds);
throw new FaultException(ex.Message, new FaultCode("E_FAIL"));
}
}
finally
{
if (server != null)
{
if (server.IsConnected)
{
server.Disconnect();
}
server.Dispose();
}
}
}
protected override void OnControlStopRunTime()
{
if (_status)
{
_server.Disconnect();
_server.Dispose();
}
_status = false;
_connectionWorker.CancelAsync();
_repConnectionWorker.CancelAsync();
_timer1.Stop();
_timer1.Dispose();
_timer2.Stop();
_timer2.Dispose();
Trends.Visible = false;
//Toolbar.Visible = false;
DisplayPanel.Visible = false;
//DeleteColumnsDgPla();
_dictionary.Clear();
}
public string[] GetDataType(List <OPCChannelInfo> Subscribed)
{
string serverName = txtOPCServer.Text;
string hostName = txtOPCServerPath.Text;
_server = new Server(fact, null)
{
Url = new URL(hostName + "/" +
serverName)
};
_server.Connect();
SubscribedCollection = new List <string>();
for (int i = 0; i < Subscribed.Count; i++)
{
SubscribedCollection.Add(Subscribed[i].channel);
}
if (SubscriptionOPC == null)
{
SubscriptionState.Name = "SubscribedGroup";
SubscriptionOPC = (Subscription)_server.CreateSubscription(SubscriptionState);
}
SubscribedItems = new Item[SubscribedCollection.Count];
for (int i = 0; i < SubscribedCollection.Count; i++)
{
SubscribedItems[i] = new Item
{
ItemName = SubscribedCollection[i],
SamplingRate = 200,
Active = true,
ClientHandle = i
};
}
ItemResult = SubscriptionOPC.AddItems(SubscribedItems);
ItemValue[] values = _server.Read(SubscribedItems);
int ArraySize = values.Length;
if (values[0].Value is Array)
{
ArraySize = ((Array)values[0].Value).Length - 1;
}
string[] ReturnValues = new string[ArraySize];
for (int i = 0; i < values.Length; i++)
{
if (values[i].Value is string)
{
ReturnValues[i] = "String";
}
if (values[i].Value is bool)
{
ReturnValues[i] = "Bit";
}
else if (values[i].Value is byte)
{
ReturnValues[i] = "Byte";
}
else if (values[i].Value is float)
{
ReturnValues[i] = "Float";
}
else if (values[i].Value is char)
{
ReturnValues[i] = "char";
}
else if (values[i].Value is short)
{
ReturnValues[i] = "Short";
}
else if (values[i].Value is int)
{
ReturnValues[i] = "Int";
}
else if (values[i].Value is double)
{
ReturnValues[i] = "Double";
}
else if (values[i].Value is Array)
{
ReturnValues[i] = "Array";
}
else if (values[i].Value is uint)
{
ReturnValues[i] = "UInt";
}
else if (values[i].Value is ushort)
{
ReturnValues[i] = "UShort";
}
//else
//{
// ReturnValues[i] = "null";
//}
}
if (_server != null)
{
if (_server.IsConnected)
{
try
{
_server.Disconnect();
}
catch
{
}
}
_server.Dispose();
}
return(ReturnValues);
}
