public static void Main(string[] args)
{
try
{
ApplicationInstance.MessageDlg = new ApplicationMessageDlg();
ApplicationInstance application = new ApplicationInstance();
application.ApplicationName = "Manufacturing Execution System";
application.ApplicationType = ApplicationType.Client;
application.ConfigSectionName = "Opc.Ua.MES";
// load the application configuration.
ApplicationConfiguration appConfiguration = application.LoadApplicationConfiguration(false).Result;
// check the application certificate.
application.CheckApplicationInstanceCertificate(false, 0).Wait();
// get list of cached endpoints.
ConfiguredEndpointCollection endpoints = appConfiguration.LoadCachedEndpoints(true);
endpoints.DiscoveryUrls = appConfiguration.ClientConfiguration.WellKnownDiscoveryUrls;
StationsCollection collection = StationsCollection.Load(appConfiguration);
if (collection.Count > 0)
{
m_station = collection[0];
}
else
{
throw new ArgumentException("Could not load station definition from configuration file!");
}
// connect to all servers.
m_sessionAssembly = EndpointConnect(endpoints[c_Assembly], appConfiguration);
m_sessionTest = EndpointConnect(endpoints[c_Test], appConfiguration);
m_sessionPackaging = EndpointConnect(endpoints[c_Packaging], appConfiguration);
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionAssembly, new MonitoredItemNotificationEventHandler(MonitoredItem_AssemblyStation)))
{
Trace("Failed to create monitored Item for the assembly station!");
}
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionTest, new MonitoredItemNotificationEventHandler(MonitoredItem_TestStation)))
{
Trace("Failed to create monitored Item for the test station!");
}
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionPackaging, new MonitoredItemNotificationEventHandler(MonitoredItem_PackagingStation)))
{
Trace("Failed to create monitored Item for the packaging station!");
}
StartAssemblyLine();
// MESLogic method is executed periodically, with period c_updateRate
RestartTimer(c_updateRate);
Trace("MES started. Press any key to exit.");
try
{
Console.ReadKey(true);
}
catch
{
// wait forever if there is no console, e.g. in docker
Thread.Sleep(Timeout.Infinite);
}
}
catch (Exception ex)
{
Trace("Critical Exception: {0}, MES exiting!", ex.Message);
}
}
public static void Main(string[] args)
{
try
{
ApplicationInstance.MessageDlg = new ApplicationMessageDlg();
ApplicationInstance application = new ApplicationInstance();
application.ApplicationName = "Manufacturing Execution System";
application.ApplicationType = ApplicationType.Client;
application.ConfigSectionName = "Opc.Ua.MES";
// load the application configuration.
ApplicationConfiguration appConfiguration = application.LoadApplicationConfiguration(false).Result;
// check the application certificate.
application.CheckApplicationInstanceCertificate(false, 0).Wait();
// get list of cached endpoints.
ConfiguredEndpointCollection endpoints = appConfiguration.LoadCachedEndpoints(true);
endpoints.DiscoveryUrls = appConfiguration.ClientConfiguration.WellKnownDiscoveryUrls;
StationsCollection collection = StationsCollection.Load(appConfiguration);
if (collection.Count > 0)
{
m_station = collection[0];
}
else
{
throw new ArgumentException("Can not load station definition from configuration file!");
}
// connect to all servers.
m_sessionAssembly = new SessionHandler();
m_sessionTest = new SessionHandler();
m_sessionPackaging = new SessionHandler();
DateTime retryTimeout = DateTime.UtcNow + TimeSpan.FromMilliseconds(c_connectTimeout);
do
{
try
{
m_sessionAssembly.EndpointConnect(endpoints[c_Assembly], appConfiguration);
m_sessionTest.EndpointConnect(endpoints[c_Test], appConfiguration);
m_sessionPackaging.EndpointConnect(endpoints[c_Packaging], appConfiguration);
}
catch (Exception ex)
{
Trace("Exception connecting to assembly line: {0}, retry!", ex.Message);
}
if (DateTime.UtcNow > retryTimeout)
{
throw new Exception(String.Format("Failed to connect to assembly line for {0} seconds!", c_connectTimeout / 1000));
}
System.Threading.Thread.Sleep(c_waitTime);
}while (!(m_sessionAssembly.SessionConnected && m_sessionTest.SessionConnected && m_sessionPackaging.SessionConnected));
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionAssembly.Session, new MonitoredItemNotificationEventHandler(MonitoredItem_AssemblyStation)))
{
throw new Exception("Failed to create monitored Item for the assembly station!");
}
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionTest.Session, new MonitoredItemNotificationEventHandler(MonitoredItem_TestStation)))
{
throw new Exception("Failed to create monitored Item for the test station!");
}
if (!CreateMonitoredItem(m_station.StatusNode, m_sessionPackaging.Session, new MonitoredItemNotificationEventHandler(MonitoredItem_PackagingStation)))
{
throw new Exception("Failed to create monitored Item for the packaging station!");
}
StartAssemblyLine();
// MESLogic method is executed periodically, with period c_updateRate
RestartTimer(c_updateRate);
Trace("MES started. Press Ctrl-C to exit.");
m_quitEvent = new ManualResetEvent(false);
try
{
Console.CancelKeyPress += (sender, eArgs) => {
m_quitEvent.Set();
eArgs.Cancel = true;
};
}
catch
{
}
// wait for MES timeout or Ctrl-C
m_quitEvent.WaitOne();
}
catch (Exception ex)
{
Trace("Critical Exception: {0}, MES exiting!", ex.Message);
}
}