public static Opc.Hda.Server ServerHdaConnect()
{
var tagsList = new Tags();
//Задаем расположение серверов
foreach (var tag in tagsList.GetMassurm())
{
switch (tag.Name)
{
case "MasterIpHda":
MasterIpHda = tag.Value;
break;
case "SlaveIpHda":
SlaveIpHda = tag.Value;
break;
case "OpcHdaId":
OpcHdaId = tag.Value;
break;
}
}
//const string masterIpHda = "localhost";
//const string slaveIpHda = "localhost";
//const string opcHdaId = "Infinity.OPCHDAServer";
//Соединение с сервером
var url = new Opc.URL("opchda://" + MasterIpHda + "/" + OpcHdaId);
var serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch
{
url = new Opc.URL("opchda://" + SlaveIpHda + "/" + OpcHdaId);
serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch (Exception)
{
MessageBox.Show(@"Отсутствует лицензия или проверьте подключения к серверу C:\Tag.ini", @"Ошибка подключения сервера", MessageBoxButton.OK, MessageBoxImage.Error);
Environment.Exit(0);
}
}
// System.Threading.Thread.Sleep(1500);
return(serverHda);
}
// Connect to OPC HDA server
public bool Connect(string HostName, string ServerName)
{
var url = new Opc.URL();
url.Scheme = Opc.UrlScheme.HDA;
url.HostName = HostName;
url.Path = ServerName;
try {
var fact = new OpcCom.Factory();
if ((_OPCServer != null) && (!_OPCServer.IsConnected))
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is disconnected, disposing object");
//Unfortunately, in case of lost connection simply calling .Connect() doesn't work :(
//Let's try to recreate the object from scratch
_OPCServer.Dispose();
_OPCServer = null;
}
if (_OPCServer == null)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is null, creating new object");
_OPCServer = new Opc.Hda.Server(fact, null);
}
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server is disconnected, trying to connect");
_OPCServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential(), null));
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed without exception: {0}", url.ToString());
return(false);
}
_trace.TraceEvent(TraceEventType.Verbose, 0, "Succesfully connected to {0}, obj: {1}", url.ToString(), _OPCServer.GetHashCode().ToString());
}
try {
Status = _OPCServer.GetStatus();
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server status:\n" +
"\tCurrentTime: {0}\n" +
"\tMaxReturnValues: {1}\n" +
"\tProductVersion: {2}\n" +
"\tServerState: {3}\n" +
"\tStartTime: {4}\n" +
"\tStatusInfo: {5}\n" +
"\tVendorInfo: {6}\n",
Status.CurrentTime,
Status.MaxReturnValues,
Status.ProductVersion,
Status.ServerState,
Status.StartTime,
Status.StatusInfo,
Status.VendorInfo);
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server status: {0}, {1}", url.ToString(), e.Message);
}
try {
_trace.TraceEvent(TraceEventType.Verbose, 0, "SupportedAggregates:");
SupportedAggregates = _OPCServer.GetAggregates();
foreach (Opc.Hda.Aggregate agg in SupportedAggregates)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "{0}\t{1}\t{2}", agg.ID, agg.Name, agg.Description);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server supported aggregates: {0}, {1}", url.ToString(), e.Message);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed: {0}, {1}", url.ToString(), e.Message);
return(false);
}
return(true);
}