/// <summary>
/// Read the current configuration from XML file
/// </summary>
private void LoadConfigurationFile()
{
XmlDocument configFile = new XmlDocument();
configFile.Load(strConfigurationFile);
XmlNode curNode;
curNode = configFile.SelectSingleNode("/configuration/opcservertype");
if (curNode != null)
{
theOPCServerType = (eOPCServerType)Enum.Parse(typeof(eOPCServerType), curNode.InnerText);
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/opctopicname");
if (curNode != null)
{
theOPCServerTopic = curNode.InnerText;
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/opcprocessname");
if (curNode != null)
{
theOPCServerProcessName = curNode.InnerText;
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/monitoringcycle");
if (curNode != null)
{
theCycleTime = int.Parse(curNode.InnerText);
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/monitoringenabled");
if (curNode != null)
{
theKeepAliveMonitorIsEnabled = bool.Parse(curNode.InnerText);
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/schedulerenabled");
if (curNode != null)
{
theSchedulerIsEnabled = bool.Parse(curNode.InnerText);
}
curNode = null;
curNode = configFile.SelectSingleNode("/configuration/schedulertime");
if (curNode != null)
{
theSchedulerTime = DateTime.Parse(curNode.InnerText);
}
curNode = null;
configFile = null;
}
/// <summary>
/// Configuration wizard to support the user on OPC setup
/// </summary>
private void ConfigurationWizardKeepAliveMonitor()
{
///Variable that store the user input
string userInput = "";
string defaultEnable = "";
if (theKeepAliveMonitorIsEnabled)
{
defaultEnable = "Yes";
}
else
{
defaultEnable = "No";
}
///Request if the keep alive monitor will be enabled
userInput = UserDecision.ShowInputComboBox(defaultEnable, "Enable auto-restart by server state?", new string[] { "Yes", "No" });
if (userInput == "")
{
MessageBox.Show("This value cannot be empty..."); return;
}
;
switch (userInput)
{
case "Yes":
theKeepAliveMonitorIsEnabled = true;
break;
case "No":
theKeepAliveMonitorIsEnabled = false;
break;
default:
theKeepAliveMonitorIsEnabled = false;
MessageBox.Show("Invalid value!");
return;
}
userInput = "";
///Request the OPC Type
userInput = UserDecision.ShowInputComboBox(theOPCServerType.ToString(), "Input the OPC server type", new string[] { eOPCServerType.DataFEED.ToString(), eOPCServerType.INAT.ToString(), eOPCServerType.KEPWare.ToString(), eOPCServerType.RsLinx.ToString(), eOPCServerType.SoftingS7.ToString() });
if (userInput == "")
{
MessageBox.Show("This value cannot be empty..."); return;
}
;
theOPCServerType = (eOPCServerType)Enum.Parse(typeof(eOPCServerType), userInput);
userInput = "";
///Request the OPC topic (address)
string defaultTopicConfig;
switch (theOPCServerType)
{
case eOPCServerType.DataFEED:
defaultTopicConfig = "Softing.OPC.DF.S7.DA.1";
break;
case eOPCServerType.INAT:
defaultTopicConfig = "INAT TcpIpH1 OPC Server";
break;
case eOPCServerType.KEPWare:
defaultTopicConfig = "";
break;
case eOPCServerType.RsLinx:
defaultTopicConfig = "RsLinx OPC Server";
break;
case eOPCServerType.SoftingS7:
defaultTopicConfig = "Softing.OPC.S7.DA.1";
break;
default:
defaultTopicConfig = "";
break;
}
userInput = UserDecision.ShowInputString(defaultTopicConfig, "Input the OPC topic (address)");
if (userInput == "")
{
MessageBox.Show("This value cannot be empty..."); return;
}
;
theOPCServerTopic = userInput;
userInput = "";
///Request the process name
string defaultProcessName;
switch (theOPCServerType)
{
case eOPCServerType.DataFEED:
defaultProcessName = "OSF_Service";
break;
case eOPCServerType.INAT:
defaultProcessName = "TCPIPH1";
break;
case eOPCServerType.KEPWare:
defaultProcessName = "";
break;
case eOPCServerType.RsLinx:
defaultProcessName = "RSLINX";
break;
case eOPCServerType.SoftingS7:
defaultProcessName = "S7OPCsvc";
break;
default:
defaultProcessName = "";
break;
}
userInput = UserDecision.ShowInputString(defaultProcessName, "Input the name of OPC process (Windows)");
if (userInput == "")
{
MessageBox.Show("This value cannot be empty..."); return;
}
;
theOPCServerProcessName = userInput;
userInput = "";
///Request the cycle timer
userInput = UserDecision.ShowInputString(theCycleTime.ToString(), "Input the cycle timer in [ms]");
int newCycleTimer;
if (userInput == "")
{
MessageBox.Show("This value cannot be empty..."); return;
}
;
if (int.TryParse(userInput, out newCycleTimer) == false)
{
MessageBox.Show("Input value was not valid. Please use just numbers..."); return;
}
;
theCycleTime = newCycleTimer;
userInput = "";
//Save the new configurtaion and restart the application.
GenerateConfigurationFile();
}
