// connect to OPC server via ProgID
public bool DoConnect(string progid)
{
try
{
theSrv.Connect(progid);
Thread.Sleep(100);
theSrv.SetClientName("DirectOPC " + thisprocess.Id); // set my client name (exe+process no)
SERVERSTATUS sts;
theSrv.GetStatus(out sts);
// get infos about OPC server
StringBuilder sb = new StringBuilder(sts.szVendorInfo, 200);
sb.AppendFormat(" ver:{0}.{1}.{2}", sts.wMajorVersion, sts.wMinorVersion, sts.wBuildNumber);
txtServerInfo.Text = sb.ToString();
// set status bar text to show server state
sbpTimeStart.Text = DateTime.FromFileTime(sts.ftStartTime).ToString();
sbpStatus.Text = sts.eServerState.ToString();
}
catch (COMException)
{
MessageBox.Show(this, "connect error!", "Exception", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
private OpcServerConnectResult DoConnect(string progid)
{
OpcServerConnectResult result = new OpcServerConnectResult {
IsSuccess = false
};
try
{
_theSrv.Connect(progid);
Thread.Sleep(100);
_theSrv.SetClientName("DirectOPC " + Process.GetCurrentProcess().Id); // set my client name (exe+process no)
SERVERSTATUS sts;
_theSrv.GetStatus(out sts);
// get infos about OPC server
StringBuilder sb = new StringBuilder(sts.szVendorInfo, 200);
sb.AppendFormat(" ver:{0}.{1}.{2}", sts.wMajorVersion, sts.wMinorVersion, sts.wBuildNumber);
result.ServerInfo = sb.ToString();
// set status to show server state
result.SbpTimeStart = DateTime.FromFileTime(sts.ftStartTime);
result.SbpStatus = sts.eServerState.ToString();
result.IsSuccess = true;
return(result);
}
catch (COMException ex)
{
result.ErrorText = ex.Message;
return(result);
}
}
public void TestSetClientName01()
{
//testing --
OpcServer opcServer = new OpcServer();
Accessor opcServerAccessor = ReflectionAccessor.Wrap(opcServer);
opcServerAccessor.SetField("ifServer", new OPCServerComClass());
opcServerAccessor.SetField("ifCommon", ((IOPCCommon)opcServerAccessor.GetField("ifServer")));
//Test Procedure Call
opcServer.SetClientName("Str1");
//Post Condition Check
}
public void Connect(string p_ClientName)
{
_server = new OpcServer();
_server.RemoteConnect(_serverId, _machineName);
try
{
_server.SetClientName(p_ClientName);
_server.ShutdownRequested += new ShutdownRequestEventHandler(Server_ShutdownRequest);
}
catch (Exception l_Ex)
{
Disconnect();
throw l_Ex;
}
}
/// <summary>
/// initialize OPC server and group
/// </summary>
/// <param name="serverName">OPC Server Name</param>
/// <param name="groupName">OPC Group name under the OPC server.
/// Here groupName is trendViewer Process ID in string</param>
///
public void InitializeServer(string serverName, string groupName)
{
string Function_Name = "InitializeServer";
LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Entered");
lock (m_opcDataDicObj)
{
try
{
m_OPCSrvName = serverName;
m_OPCGroupName = groupName;
//Fix - Remove opcGroup and Disconnect server to avoid GC Fianlizer thread call these methods
try
{
if (m_OPCGroup != null)
{
m_OPCGroup.Remove(false);
m_OPCGroup = null;
}
if (m_OPCServer != null)
{
m_OPCServer.Disconnect();
m_OPCServer = null;
}
}
catch (Exception localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
}
m_OPCServer = new OpcServer();
LogHelper.Trace(CLASS_NAME, Function_Name, "Before Connect");
m_OPCServer.Connect(serverName);
LogHelper.Trace(CLASS_NAME, Function_Name, "After Connect");
Thread.Sleep(200);
m_OPCServer.SetClientName("DirectOPC " + groupName + serverName); // set my client name (exe+process no)
SERVERSTATUS sts;
m_OPCServer.GetStatus(out sts);
LogHelper.Info(CLASS_NAME, Function_Name, serverName + ": " + DateTime.FromFileTime(sts.ftStartTime).ToString());
LogHelper.Info(CLASS_NAME, Function_Name, serverName + ": " + sts.eServerState.ToString());
// add event handler for server shutdown
m_OPCServer.ShutdownRequested += new ShutdownRequestEventHandler(this.OPCSrv_ServerShutDown);
//Setup opc group
m_OPCGroup = m_OPCServer.AddGroup("MFTOPC-Group-" + serverName, true, UPDATEGROUPRATE);
m_OPCGroup.DataChanged += new DataChangeEventHandler(this.OPCGrp_DataChange);
m_opcSrvConnectFlag = true;
}
catch (COMException localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
LogHelper.Info(CLASS_NAME, Function_Name, "Initialize of the OPC Server is not successful");
}
catch (Exception localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
}
}
LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Exited");
}
