/// <summary>
/// Refresh server status
/// </summary>
private void RefreshServerStatus()
{
if (server != null)
{
try
{
selectedServer.isConnected = server.IsConnected;
selectedServer.Name = server.Name;
selectedServer.UrlString = server.Url.ToString();
serverStatus = server.GetStatus();
selectedServer.StatusInfo = serverStatus.StatusInfo;
selectedServer.ServerState = serverStatus.ServerState.ToString();
selectedServer.ProductVersion = serverStatus.ProductVersion;
selectedServer.VendorInfo = serverStatus.VendorInfo;
}
catch (Exception ex)
{
OnReportMessage("Fail to get server status, " + ex.Message.ToString());
selectedServer.StatusInfo = "unknown";
selectedServer.ServerState = "unknown";
selectedServer.ProductVersion = "unknown";
selectedServer.VendorInfo = "unknown";
}
}
}
private void SetServerState()
{
/*
* 1.每隔1000MS获取服务器状态，如果正常，则设置运行状态
* 2.如果服务器状态不正确，则运行连接操作
* 1).PING IP
* 2).连接OPCServer
*/
while (ThreadFlag)
{
try
{
Opc.Da.ServerStatus ss = opcserver.GetStatus();
if (ss.ServerState == Opc.Da.serverState.running)
{
_ServerStatus = "Connected";
}
else
{
// Reconnect();
}
}
catch (Exception ex)
{
_ErrorMessage = ex.Message;
// Reconnect();
}
Thread.Sleep(1000);
continue;
}
}
public void Connect_OPC()
{
//Console.WriteLine("Connect_OPC");
try
{
servername = Pub_dtTSetting.Rows[0][2].ToString();
if (servername != "")
{
Opc.URL url = new Opc.URL("opcda://" + Pub_dtTSetting.Rows[0][1].ToString() + "/" + Pub_dtTSetting.Rows[0][2].ToString());
Opc.Da.Server serveropc = null;
OpcCom.Factory fact = new OpcCom.Factory();
//Kepware.KEPServerEX.V6
Opc.Da.ServerStatus serverStatus = new Opc.Da.ServerStatus();
//serveropc = new Opc.Da.Server(fact, null);
serveropc = new Opc.Da.Server(fact, url);
System.Net.NetworkCredential mCredentials = new System.Net.NetworkCredential();
Opc.ConnectData mConnectData = new Opc.ConnectData(mCredentials);
try
{
//2nd: Connect to the created server
serveropc.Connect(url, mConnectData);
#if DEBUG_ERROR
#warning you must install RSLinx server OR Kepware.KEPServerEX.V6 for install important .dll then you can easy test with Kepware.KEPServerEX.V6
#endif
//serveropc.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential())); //ไม่เปิดเซิฟเวอ จะติดตรงนี้
serverStatus = serveropc.GetStatus();
servercurrent_status = serverStatus.ServerState.ToString();
ServerStatusInTime.Text = serverStatus.ServerState.ToString();
//Append Log file if server Status running-------------------------------------------------
string CompareServerstatus = "running";
if (serverStatus.ServerState.ToString() == CompareServerstatus)
{
if (PortStatus.Text.ToString() == "Stop")
{
//StartPort.Visible = true;
}
string timeinlog = Convert.ToDateTime(DateTime.Now.ToString()).ToString("yyyy-MM-dd HH:mm:ss= ");
if (write_log == false) //First Time Write Log
{
using (StreamWriter sw = File.AppendText(AppendFilepath))
{
sw.WriteLine(timeinlog + Pub_dtTSetting.Rows[0][2].ToString() + " DCOM security The operation completed successfully");
sw.WriteLine(timeinlog + "Connected to OPC server");
sw.WriteLine(timeinlog + "MyGroup Added group to server The operation completed successfully");
}
}
write_log = true; // 1 mean don't write agian use in ReadCompleteCallback
}
//----------------------------------------------------------------
//3rd Create a group if items
Opc.Da.SubscriptionState groupState = new Opc.Da.SubscriptionState();
groupState.Name = "group";
groupState.Active = true;
group = (Opc.Da.Subscription)serveropc.CreateSubscription(groupState);
// add items to the group
Opc.Da.Item[] items = new Opc.Da.Item[Pub_dtTTAGMapping.Rows.Count];
//Add item by DataTable From Function Get_TagMapping
for (int index_Tag = 0; index_Tag < Pub_dtTTAGMapping.Rows.Count; index_Tag++)
{
items[index_Tag] = new Opc.Da.Item();
//Tag_Name
items[index_Tag].ItemName = Pub_dtTTAGMapping.Rows[index_Tag][2].ToString();//Pub_dtTTAGMapping.Rows[Row][Column]
}
items = group.AddItems(items);
this.timerModbus.Interval = (Convert.ToInt32(Pub_dtTSetting.Rows[0][5]) * 100);
this.timerModbus.AutoReset = false;
this.timerModbus.Start();
}//end try
catch (Exception)
{
servercurrent_status = "Stop";
//Exception Server Not Run
string timeinlog = Convert.ToDateTime(DateTime.Now.ToString()).ToString("yyyy-MM-dd HH:mm:ss= ");
write_log = false; // 1 mean don't write agian use in ReadCompleteCallback
ServerStatusInTime.Text = "Stop";
using (StreamWriter sw = File.AppendText(AppendFilepath))
{
//Pub_dtTSetting.Rows[0][2].ToString() => ServerName
sw.WriteLine(timeinlog + Pub_dtTSetting.Rows[0][2].ToString() + " DCOM security The operation completed successfully");
sw.WriteLine(timeinlog + "Unable to connect to OPC server");
sw.WriteLine(timeinlog + "MyGroup Unable to add group to server Unspecified error");
sw.WriteLine(timeinlog + "Service will be Reconnect To OPC Server With in 1 minutes");
}
this.timerModbus.Interval = (Convert.ToInt32(Pub_dtTSetting.Rows[0][5])) * 1000;
this.timerModbus.AutoReset = false;
this.timerModbus.Start();
} //end catch
} //end if
}
catch (Exception ex)
{
using (StreamWriter sw = File.AppendText(indebuglogFolderPath + "\\" + filename + ".txt"))
{
sw.WriteLine("ERROR : " + ex);
}
}
// 1st: Create a server object and connect to the RSLinx OPC Server
}
