// Функция подключения/отключения к/от серверу(а)
public void ConnectOPCServer(bool connectToOPC)
{
if (connectToOPC)
{
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = KeepAliveTime;
connectInfo.RetryAfterConnectionError = RetryAfterConnectionError;
connectInfo.RetryInitialConnection = RetryInitialConnection;
connectInfo.ClientName = ClientName;
try
{
if (DAServer.IsConnected == false)
{
DAServer.Connect(URL, clientHandle, ref connectInfo, out isOPCConnectionFailed);
}
int tagCount = SubscribeData();
ModifySubscription(true);
MessageBox.Show(String.Format("Succesfully connected to {0} tags", tagCount), "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch { }
}
else
{
try
{
UnSubscribeData();
if (DAServer.IsConnected == true)
{
DAServer.Disconnect();
}
}
catch { }
}
}
public void ConnectOPCServer(bool connectToOPC)
{
if (connectToOPC)
{
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = KeepAliveTime;
connectInfo.RetryAfterConnectionError = RetryAfterConnectionError;
connectInfo.RetryInitialConnection = RetryInitialConnection;
connectInfo.ClientName = ClientName;
try
{
if (DAServer.IsConnected == false)
{
DAServer.Connect(URL, clientHandle, ref connectInfo, out isOPCConnectionFiled);
}
}
catch { }
}
else
{
try
{
if (DAServer.IsConnected == true)
{
DAServer.Disconnect();
}
}
catch { }
}
}
public static bool connect()
{
//initialize the connection info class
DAServer = new DaServerMgt();
connectInfo = new ConnectInfo();
string url = "opcda://localhost/Kepware.KEPServerEX.V5/{B3AF0BF6-4C0C-4804-A122-6F3B160F4397}";
int clientHandle = 1;
//initialize the connect info object data
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = 5000;
connectInfo.RetryAfterConnectionError = true;
connectInfo.RetryInitialConnection = true;
connectInfo.ClientName = "IDCServer";
bool connectFailed = false;
try
{
logger.Info("Connecting to DAServer: {0}, {1}, {2}", url, clientHandle, connectInfo.ToString());
DAServer.Connect(url, clientHandle, ref connectInfo, out connectFailed);
// Update our connection status
if (!connectFailed)
{
logger.Info("Connection Succeeded");
return true;
}
else
{
logger.Error("Connection Failed");
return false;
}
}
catch (Exception e)
{
logger.Error("Handled connect exception. Reason: " + e.Message);
throw e;
}
}
public bool Connect()
{
bool connect = false;
try
{
String s = CultureInfo.CurrentCulture.Name;
ConnectInfo ci = new ConnectInfo();
ci.ClientName = "Kepware.KEPServerEX.V6";
ci.LocalId = s;// "en";
ci.KeepAliveTime = 10000;
ci.RetryAfterConnectionError = true;
ci.RetryInitialConnection = true;
ci.RetryInitialConnection = true;
_daServerMgt = new DaServerMgt();
bool connectFailed = false;
int clientHandle = 1;
string url = getOPCServeurURL();
_daServerMgt.Connect(url, clientHandle, ref ci, out connectFailed);
if (!connectFailed)
{
connect = true;
}
else
{
}
}
catch (Exception e)
{
Writer.writeAll("Handled Connect exception. Reason: " + e.ToString());
connect = false;
}
return(connect);
}
public void Connect(/*object sender, EventArgs e*/)
{
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = 5000;
connectInfo.RetryAfterConnectionError = true;
connectInfo.RetryInitialConnection = true;
//connectInfo.ClientName = "Demo ClientAceC-Sharp DesktopApplication";
bool connectFailed;
string url = "opcda://127.0.0.1/Kepware.KEPServerEX.V6/{7BC0CC8E-482C-47CA-ABDC-0FE7F9C6E729}";
int clientHandle = 1;
// Connessione al server
try
{
daServerMgt.Connect(url, clientHandle, ref connectInfo, out connectFailed);
if (connectFailed)
{
Console.WriteLine("Connect failed" + Environment.NewLine);
}
else
{
Console.WriteLine("Connected to Server " + url + " Succeeded." + Environment.NewLine);
}
}
catch (Exception ex)
{
// ab edit: aggiungiamo ilcontesto per capire l'errore
Console.WriteLine($"Connect exeception: {ex.ToString()}");
}
InitMidnightTimer();
InitPlantState();
// Tag a cui mi voglio sottoscrivere
ItemIdentifier[] items = new ItemIdentifier[1];
items[0] = new ItemIdentifier
{
ItemName = "its-iot-device.Device1.PlantStatus",
ClientHandle = "PlantStatus"
};
/*items[1] = new ItemIdentifier
* {
* ItemName = "its-iot-device.Device1.PieceCounter",
* ClientHandle = "PieceCounter"
* };*/
/*items[2] = new ItemIdentifier
* {
* ItemName = "Simulation Examples.Functions.Ramp1",
* ClientHandle = "Ramp1"
* };*/
int serverSubscription;
ReturnCode returnCode;
// Parametri di sottoscrizione agli eventi
int clientSubscription = 1;
bool active = true;
int updateRate = 1000;
int revisedUpdateRate;
float deadband = 0;
try
{
// Sottoscrizione agli eventi change data
returnCode = daServerMgt.Subscribe(clientSubscription,
active,
updateRate,
out revisedUpdateRate,
deadband,
ref items,
out serverSubscription);
}
catch (Exception ex)
{
// ab edit: aggiungiamo ilcontesto per capire l'errore
Console.WriteLine($"Connect.subscribe exeception: {ex.ToString()}");
}
}
private void Initialize()
{
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = 5000;
connectInfo.RetryAfterConnectionError = true;
connectInfo.RetryInitialConnection = true;
connectInfo.ClientName = "ClientAce Client";
bool connectFailed;
string url = "opcda://<computer name>/Kepware.KEPServerEX.V6";
int clientHandle = 1;
// Connect to server
try
{
daServerMgt.Connect(url, clientHandle, ref connectInfo, out connectFailed);
if (connectFailed)
{
Console.WriteLine("Failed to connect to server. @ " + DateTime.Now);
}
else
{
Console.WriteLine("Connected to Server " + url + " Succeeded." + DateTime.Now);
}
}
catch (Exception e)
{
Console.WriteLine("Failed to connect to server." + e + " @ " + DateTime.Now);
}
// Tags
ItemIdentifier[] itemIdentifiers = new ItemIdentifier[2];
itemIdentifiers[0] = new ItemIdentifier();
itemIdentifiers[0].ItemName = "Channel1.Device1.Tag1";
itemIdentifiers[0].ClientHandle = 1; // Assign unique handle
itemIdentifiers[1] = new ItemIdentifier();
itemIdentifiers[1].ItemName = "Simulation Examples.Functions.Ramp1";
itemIdentifiers[1].ClientHandle = 2; // Assign unique handle
int serverSubscription;
ReturnCode returnCode;
// Event subscription parameters
int clientSubscription = 1;
bool active = true;
int updateRate = 1000;
int revisedUpdateRate;
float deadband = 0;
try
{
//Subscribe to tags
returnCode = daServerMgt.Subscribe(clientSubscription,
active,
updateRate,
out revisedUpdateRate,
deadband,
ref itemIdentifiers,
out serverSubscription);
if (returnCode == ReturnCode.SUCCEEDED)
{
Console.WriteLine("Successfully subscribed. @ " + DateTime.Now);
}
else
{
Console.WriteLine("Subscritpion failed. @ " + DateTime.Now);
}
}
catch (Exception e)
{
Console.WriteLine("Subscritpion failed." + e + " @ " + DateTime.Now);
}
}
private void Form1_Load(object sender, EventArgs e)
{
connectInfo.LocalId = "en";
connectInfo.KeepAliveTime = 5000;
connectInfo.RetryAfterConnectionError = true;
connectInfo.RetryInitialConnection = true;
connectInfo.ClientName = "Demo ClientAceC-Sharp DesktopApplication";
bool connectFailed;
string url = "opcda://127.0.0.1/Kepware.KEPServerEX.V6/{7BC0CC8E-482C-47CA-ABDC-0FE7F9C6E729}";
int clientHandle = 1;
// Connessione al server
try
{
daServerMgt.Connect(url, clientHandle, ref connectInfo, out connectFailed);
if (connectFailed)
{
debugBox.Text = "Connect failed" + Environment.NewLine;
}
else
{
debugBox.Text = "Connected to Server " + url + " Succeeded." + Environment.NewLine;
}
}
catch (Exception ex)
{
debugBox.Text = ex.ToString();
}
AggiornaDati();
// Tag a cui mi voglio sottoscrivere
ItemIdentifier[] items = new ItemIdentifier[4];
items[0] = new ItemIdentifier
{
ItemName = "its-iot-device.Device1.PlantStatus",
ClientHandle = "PlantStatus"
};
items[1] = new ItemIdentifier
{
ItemName = "Simulation Examples.Functions.Ramp1",
ClientHandle = "Ramp1"
};
items[2] = new ItemIdentifier
{
ItemName = "its-iot-device.Device1.PiecesProducted",
ClientHandle = "PiecesProducted"
};
items[3] = new ItemIdentifier
{
ItemName = "its-iot-device.Device1.PiecesDischarged",
ClientHandle = "PiecesDischarged"
};
int serverSubscription;
ReturnCode returnCode;
// Parametri di sottoscrizione agli eventi
int clientSubscription = 1;
bool active = true;
int updateRate = 1000;
int revisedUpdateRate;
float deadband = 0;
try
{
// Sottoscrizione agli eventi change data
returnCode = daServerMgt.Subscribe(clientSubscription,
active,
updateRate,
out revisedUpdateRate,
deadband,
ref items,
out serverSubscription);
}
catch (Exception ex)
{
debugBox.Text = ex.ToString();
}
}