public void Connect(string serverName)
{
/* When the factory creates an HDA server, it passes along 2 parameters:
* SerializationInfo info
* StreamingContext context
*
* The Factory class casts the COM object (pointing to the HDA server) to the IServer interface.
* All calls to the interface or proxied to the COM object.
*/
Opc.URL url = new Opc.URL(String.Format("opchda://localhost/{0}", serverName));
OpcCom.Factory fact = new OpcCom.Factory();
_hdaServer = new Opc.Hda.Server(fact, url);
try
{
_hdaServer.Connect();
Console.WriteLine(String.Format("Connect to server {0}", serverName));
}
catch(Opc.ConnectFailedException opcConnExc)
{
Console.WriteLine(String.Format("Could not connect to server {0}", serverName));
Console.WriteLine(opcConnExc.ToString());
}
Console.WriteLine("Are we connected? " + _hdaServer.IsConnected);
}
/// <summary>
/// Tries to connect to the server.
/// </summary>
public bool Connect(string serverurl)
{
if (String.IsNullOrEmpty(serverurl))
{
throw new Exception(String.Format("Server url '{0}' is not valid", serverurl));
}
Opc.URL url = new Opc.URL(serverurl);
OpcCom.Factory fact = new OpcCom.Factory();
Server = new Opc.Da.Server(fact, null);
try
{
Server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception ex)
{
_error.Append(ex.ToString());
if (ex.InnerException != null)
{
_error.Append(ex.InnerException.ToString());
}
return(false);
}
return(true);
}
/// <summary>
/// Creates a server object for the specified URL.
/// </summary>
public static global::Opc.Server GetServerForURL(Opc.URL url, Opc.Specification preferedspecification)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
global::Opc.Server server = null;
// create an unconnected server object for XML based servers.
if (url.Scheme == Opc.UrlScheme.HTTP)
{
throw new NotImplementedException("TODO - reoved dependency on OpcXml assembly.");
//server = new Server( new OpcXml.Factory(), url, preferedspecification );
}
// create an unconnected server object for COM based servers.
else
{
// DA
if (url.Scheme == Opc.UrlScheme.DA)
{
server = new Server(new OpcCom.Factory(), url, preferedspecification);
}
// AE
else if (url.Scheme == Opc.UrlScheme.AE)
{
server = new global::Opc.Ae.Server(new OpcCom.Factory(), url, preferedspecification);
}
// HDA
else if (url.Scheme == Opc.UrlScheme.HDA)
{
server = new global::Opc.Hda.Server(new OpcCom.Factory(), url, preferedspecification);
}
// DX
else if (url.Scheme == Opc.UrlScheme.DX)
{
server = new global::Opc.Dx.Server(new OpcCom.Factory(), url, preferedspecification);
}
#if (UA)
// UA
else if (url.Scheme == UrlScheme.UA_TCP || url.Scheme == UrlScheme.UA_HTTP)
{
server = new Opc.Ua.Server(new OpcXml.Factory(), url, preferedspecification);
}
#endif
// Other specifications not supported yet.
else
{
throw new NotSupportedException(url.Scheme);
}
}
return(server);
}
private void button2_Click(object sender, EventArgs e)
{
// 1st: Create a server object and connect to the RSLinx OPC Server
url = new Opc.URL(Settings1.OPCConnectionString);
server = new Opc.Da.Server(fact, null);
listBox1.Items.Add("1st: Create a server object and connect to the RSLinx OPC Server");
//2nd: Connect to the created server
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
listBox1.Items.Add("2nd: Connect to the created server");
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
groupRead.DataChanged += GroupRead_DataChanged;;
//listBox1.Items.Add("Add event");
items = new Opc.Da.Item[1];
items[0] = new Opc.Da.Item();
items[0].ItemName = Settings1.OPCIntVarName;
items = groupRead.AddItems(items);
listBox1.Items.Add("Add Items");
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
listBox1.Items.Add("Read(items)");
listBox1.Items.Add("========================");
listBox1.Items.Add(Convert.ToInt32(values[0].Value.ToString()));
}
public void Connect(string serverName)
{
/* When the factory creates an HDA server, it passes along 2 parameters:
* SerializationInfo info
* StreamingContext context
*
* The Factory class casts the COM object (pointing to the HDA server) to the IServer interface.
* All calls to the interface or proxied to the COM object.
*/
Opc.URL url = new Opc.URL(String.Format("opchda://localhost/{0}", serverName));
OpcCom.Factory fact = new OpcCom.Factory();
_hdaServer = new Opc.Hda.Server(fact, url);
try
{
_hdaServer.Connect();
Console.WriteLine(String.Format("Connect to server {0}", serverName));
}
catch (Opc.ConnectFailedException opcConnExc)
{
Console.WriteLine(String.Format("Could not connect to server {0}", serverName));
Console.WriteLine(opcConnExc.ToString());
}
Console.WriteLine("Are we connected? " + _hdaServer.IsConnected);
}
public Boolean Connect()
{
// Create a server object and connect to the TwinCATOpcServer
Opc.URL url = new Opc.URL(opcServerEndpoint);
OpcCom.Factory fact = new OpcCom.Factory();
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
// Create a group
Opc.Da.Subscription group;
foreach (BrowsableGroup BrowsableGroup in browsableGroups)
{
Opc.Da.SubscriptionState groupState = new SubscriptionState();
groupState.Name = BrowsableGroup.GroupName;
groupState.Active = true;
group = (Opc.Da.Subscription)server.CreateSubscription(groupState);
Opc.Da.Item[] items = BrowsableGroup.produceItemsFromNodes();
items = group.AddItems(items);
EnableDataChangedCallback(group);
//todo:
//EnableDataReadCallback(group);
//todo:
//EnableDataWriteCallback(group, BrowsableGroup.produceValueToWrite(items[0],34.0) );
}
return(false);
}
/// <summary>
/// Připojení k OPC serveru. Volající musí ošetřit případnou výjimku
/// </summary>
/// <param name="serverUrl">Adresa OPC serveru (např "opcda://localhost/OPC.SimaticNET.DP")</param>
public void pripojit(string serverUrl)
{
/* //Odpojení od serveru
* if (server != null)
* try
* {
* server.Disconnect(); //Zde se to v některých případech zasekne, tak jsem to raději zrušil a při opětovném připojení si OPC server inkrementuje počet připojených klientů. Možná by to šlo přes timer...
* }
* catch
* {
* }*/
//Připojení k serveru
string strErr = "";
try
{
strErr = "Chyba při připojování na server. ";
Opc.URL url;
url = new Opc.URL(serverUrl);
OpcCom.Factory fact = new OpcCom.Factory();
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
strErr = "Chyba při vytváření groups. ";
vytvoritGroups(server);
strErr = "Chyba při vytváření items. ";
vytvoritItems();
}
catch (Exception ex)
{
throw new Exception(strErr + ex.Message);
}
}
/// <summary>
/// Server connection procedure
/// </summary>
/// <param name="urlString">OPC server URL in string format</param>
/// <returns>isConnected</returns>
public bool ConnectServer(string urlString)
{
isConnected = false;
this.url = new Opc.URL(urlString);
factory = new OpcCom.Factory();
server = new Opc.Da.Server(factory, url);
try
{
selectedServer = selectedServer ?? new mServerItem(true);
server.Connect();
if (isConnected = server.IsConnected)
{
OnReportMessage(0, "Server is connected");
server.ServerShutdown -= server_ServerShutdown;
server.ServerShutdown += server_ServerShutdown;
RefreshServerStatus();
}
else
{
OnReportMessage("Server connection fail, unknown error");
}
}
catch (Exception ex)
{
OnReportMessage(ex.Message.ToString());
}
return(isConnected);
}
internal OPCSessionServer(OPCCliConfiguration.ServersRow server, OpcDa::BrowseFilters filters, OPCEnvironment node) :
base(server.Name, null, node)
{
LastEception = null;
try
{
m_Menu = new ContextMenuServer(this);
Opc.URL url = new Opc.URL(server.URL);
if (server.GetConnectDataRows().Length > 0)
{
m_ConnectData = server.GetConnectDataRows()[0].GetConnectData();
}
m_Spcification = new Opc.Specification()
{
ID = server.PreferedSpecyficationID, Description = server.PreferedSpecyficationDsc
};
Tag = (Server)Factory.GetServerForURL(url, m_Spcification);
server.GetOptions(this);
foreach (OPCCliConfiguration.SubscriptionsRow rw in server.GetSubscriptionsRows())
{
new SubscriptionTreeNodeSession(rw, this);
}
State = state.disconnectd;
}
catch (Exception ex) { ReportException(ex); }
}
private void InitializeOPC()
{
try
{
if (File.Exists("settings.xml"))
{
this.CurrentCounterOfMaterial = 0;
XmlSerializer XmlSerializer1 = new XmlSerializer(typeof(Settings));
TextReader reader1 = new StreamReader("settings.xml");
Settings Settings1 = (Settings)XmlSerializer1.Deserialize(reader1);
reader1.Dispose();
if (Settings1.OPCVariablesInitialized == true)
{
// 1st: Create a server object and connect to the RSLinx OPC Server
url = new Opc.URL(Settings1.OPCConnectionString);
server = new Opc.Da.Server(fact, null);
//2nd: Connect to the created server
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
//groupRead.DataChanged += groupRead_DataChanged;
items[0] = new Opc.Da.Item();
items[0].ItemName = Settings1.OPCCounterName;
items[1] = new Opc.Da.Item();
items[1].ItemName = Settings1.OPCSpeedName;
items = groupRead.AddItems(items);
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
this.previous_value_of_counter = Convert.ToInt32(values[0].Value);
this.VariablesInitialized = true;
}
}
else
{
MessageBox.Show("OPC settings is empty. See Settings - > Connection...");
this.VariablesInitialized = false;
}
}
catch
{
MessageBox.Show("Bad OPC connection. Review connection string");
this.VariablesInitialized = false;
}
}
public static Opc.Hda.Server ServerHdaConnect()
{
var tagsList = new Tags();
//Задаем расположение серверов
foreach (var tag in tagsList.GetMassurm())
{
switch (tag.Name)
{
case "MasterIpHda":
MasterIpHda = tag.Value;
break;
case "SlaveIpHda":
SlaveIpHda = tag.Value;
break;
case "OpcHdaId":
OpcHdaId = tag.Value;
break;
}
}
//const string masterIpHda = "localhost";
//const string slaveIpHda = "localhost";
//const string opcHdaId = "Infinity.OPCHDAServer";
//Соединение с сервером
var url = new Opc.URL("opchda://" + MasterIpHda + "/" + OpcHdaId);
var serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch
{
url = new Opc.URL("opchda://" + SlaveIpHda + "/" + OpcHdaId);
serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch (Exception)
{
MessageBox.Show(@"Отсутствует лицензия или проверьте подключения к серверу C:\Tag.ini", @"Ошибка подключения сервера", MessageBoxButton.OK, MessageBoxImage.Error);
Environment.Exit(0);
}
}
// System.Threading.Thread.Sleep(1500);
return(serverHda);
}
public OPC_class(String in_URL, String in_CounterName, String in_SpeedName)
{
try
{
this.VariablesInitialized = false;
// 1st: Create a server object and connect
Opc.URL url = new Opc.URL(in_URL);
Opc.Da.Server server = new Opc.Da.Server(fact, null);
//2nd: Connect to the created server
//server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception Ex)
{
MessageBox.Show(Ex.Message);
//return false;
}
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000;// this isthe time between every reads from OPC server
groupState.Active = true;//this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
//groupRead.DataChanged += groupRead_DataChanged;
items[0] = new Opc.Da.Item();
items[0].ItemName = in_CounterName;
items[1] = new Opc.Da.Item();
items[1].ItemName = in_SpeedName;
items = groupRead.AddItems(items);
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
MessageBox.Show("Counter = " + values[0].Value.ToString() + " Speed = " + values[1].Value.ToString());
//if no exeption
this.URL = in_URL;
this.VariablesInitialized = true;
}
catch
{
this.VariablesInitialized = false;
}
}
public OPC_class(String in_URL, String in_CounterName, String in_SpeedName)
{
try
{
this.VariablesInitialized = false;
// 1st: Create a server object and connect
Opc.URL url = new Opc.URL(in_URL);
Opc.Da.Server server = new Opc.Da.Server(fact, null);
//2nd: Connect to the created server
//server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception Ex)
{
MessageBox.Show(Ex.Message);
//return false;
}
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
//groupRead.DataChanged += groupRead_DataChanged;
items[0] = new Opc.Da.Item();
items[0].ItemName = in_CounterName;
items[1] = new Opc.Da.Item();
items[1].ItemName = in_SpeedName;
items = groupRead.AddItems(items);
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
MessageBox.Show("Counter = " + values[0].Value.ToString() + " Speed = " + values[1].Value.ToString());
//if no exeption
this.URL = in_URL;
this.VariablesInitialized = true;
}
catch
{
this.VariablesInitialized = false;
}
}
public void Connect(string url)
{
try
{
m_url = new Opc.URL(url);
m_server = new Opc.Da.Server(m_factory, null);
m_server.Connect(m_url, new Opc.ConnectData(new System.Net.NetworkCredential()));
//Console.WriteLine("IsConnected: " + m_server.IsConnected.ToString());
}
catch (Exception ee)
{
// aditional handling
throw ee;
}
}
public Boolean Connect()
{
// Create a server object and connects to
Opc.URL url = new Opc.URL(opcServerEndpoint);
Factory fact = new Factory();
server = new Server(fact, null);
server.Connect(url, new Opc.ConnectData(new NetworkCredential()));
string root = getRootName(server);
recursiveTreeFill(server, root);
subscribeToNodes(root);
return(false);
}
/// <summary>
/// 连接HDA服务器
/// </summary>
/// <param name="hostName">主机名称或者IP</param>
/// <param name="serverName">服务器名称</param>
public bool Connect()
{
Opc.URL url = new Opc.URL(String.Format("opchda://" + _hostName + @"/{0}", _serverName));
OpcCom.Factory fact = new OpcCom.Factory();
_hdaServer = new Opc.Hda.Server(fact, url);
try
{
_hdaServer.Connect();
//Console.WriteLine(String.Format("Connect to server {0}", serverName));
}
catch (Opc.ConnectFailedException opcConnExc)
{
Console.WriteLine(String.Format("Could not connect to server {0}", _serverName));
Console.WriteLine(opcConnExc.ToString());
//return false;
}
return(_hdaServer.IsConnected ? true : false);
//Console.WriteLine("Are we connected? " + _hdaServer.IsConnected);
}
/// <summary>
/// Подключение к серверу OPC.
/// </summary>
/// <overloads> </overloads>
public void Connect(string hostIp, string serverId)
{
// Создание URL
//string url = "opcda://localhost/opcserversim.Instance.1";
string url = "opcda://" + hostIp + "/" + serverId;
var opcUrl = new Opc.URL(url);
var connectData = new Opc.ConnectData(new System.Net.NetworkCredential());
try
{
serverHandle.Connect(opcUrl, connectData);
isConnected = true;
Console.WriteLine("Connected to {0}", url);
}
catch (Exception exception)
{
Console.WriteLine("Failed to connect - status {0}", exception);
}
}
public bool Connect(string serverUrl)
{
var opcServerUrl = new Opc.URL(serverUrl);
Server = new Opc.Da.Server(new OpcCom.Factory(), opcServerUrl);
try
{
//System.Net.NetworkCredential credentials = null;
//System.Net.WebProxy webProxy = null;
var connectData = new Opc.ConnectData(null, null);
Server.Connect(connectData);
var status = Server.GetStatus();
VendorInfo = status.VendorInfo;
VersionInfo = status.ProductVersion;
StatusInfo = status.StatusInfo;
// Assign a globally unique handle to the subscription.
var state = new Opc.Da.SubscriptionState()
{
Name = "RSLinxConnectApp",
Active = false,
UpdateRate = 1000,
KeepAlive = 0,
Deadband = 0,
Locale = null,
ClientHandle = Guid.NewGuid().ToString(),
ServerHandle = null
};
Subscription = Server.CreateSubscription(state) as Opc.Da.Subscription;
return(true);
}
catch (Exception e)
{
StatusInfo = e.Message;
Console.WriteLine(e.Message);
}
return(false);
}
/// <summary>
/// Tries to connect to the server.
/// </summary>
private void Connect()
{
Opc.URL url = new Opc.URL("opcda://localhost/" + _serverName);
OpcCom.Factory fact = new OpcCom.Factory();
_server = new Opc.Da.Server(fact, null);
try
{
_server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception ex)
{
_error.Append(ex.ToString());
if (ex.InnerException != null)
{
_error.Append(ex.InnerException.ToString());
}
}
}
/// <summary>
/// Подключение к серверу OPC. Данные для подключения берутся из конфигурационного файла.
/// </summary>
public void Connect()
{
// Создание URL
string url = "opcda://localhost/" + config.opcServerId;
//string url = "opcda://" + config.amicumIp + "/" + config.opcServerId;
var opcUrl = new Opc.URL(url);
var connectData = new Opc.ConnectData(new System.Net.NetworkCredential());
try
{
serverHandle.Connect(opcUrl, connectData);
isConnected = true;
InitTagList();
Console.WriteLine("Connected to {0}", url);
}
catch (Exception exception)
{
Console.WriteLine("Failed to connect - status {0}", exception);
}
}
public override bool Initialize(string connectionString, int newPollerId)
{
bool result = false;
ConnString = connectionString;
try
{
PollerId = newPollerId;
url = new Opc.URL(connectionString);
server = null;
var fact = new OpcCom.Factory();
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
server.ServerShutdown += Shutdown;
_tags = new List <Opc.Da.Item>();
Browse();
_groupWriteState = new Opc.Da.SubscriptionState();
_groupWriteState.Name = "GroupWrite";
_groupWriteState.Active = false;
groupWrite = (Opc.Da.Subscription)server.CreateSubscription(_groupWriteState);
Activated = true;
logger.Logged("Info", "Состояние сервера: " + server.GetStatus().StatusInfo, "", "");
result = true;
}
catch (Exception ex)
{
logger.Logged("Error", "Не удалось подключиться к OPC DA серверу " + connectionString + ": " + ex.Message, "", "");
// logger.Logged("Warn", "Повторная попытка через 5 секунд...", "", "");
//Thread.Sleep(5000);
}
return(result);
}
private bool Connected = false; // True if connection was successful
//---------------------------------------------------------------------
// Initialise Communication:
public bool Init(List <OPCVar> OPCEventVarListIn, List <OPCVar> OPCWriteVarListIn, string UrlIn, string OPCTopicIn)
{
//Connect to the OPC server:
Connected = false;
OPCTopic = OPCTopicIn;
//Build dictionary of event variable data:
OPCEventVars = new Dictionary <string, OPCVarData>();
NumEventVars = 0;
foreach (OPCVar OPCVarIn in OPCEventVarListIn)
{
OPCEventVars.Add(OPCVarIn.RefName, new OPCVarData());
OPCEventVars[OPCVarIn.RefName].Name = OPCVarIn.Name;
OPCEventVars[OPCVarIn.RefName].VarType = OPCVarIn.VarType;
OPCEventVars[OPCVarIn.RefName].NotificationReceived = false;
OPCEventVars[OPCVarIn.RefName].ItemEventIndex = 0;
OPCEventVars[OPCVarIn.RefName].FullName = OPCTopic + OPCVarIn.Name;
NumEventVars++;
} // End foreach
//Build dictionary of write variable data:
OPCWriteVars = new Dictionary <string, OPCVarData>();
foreach (OPCVar OPCVarIn in OPCWriteVarListIn)
{
OPCWriteVars.Add(OPCVarIn.RefName, new OPCVarData());
OPCWriteVars[OPCVarIn.RefName].Name = OPCVarIn.Name;
OPCWriteVars[OPCVarIn.RefName].VarType = OPCVarIn.VarType;
OPCWriteVars[OPCVarIn.RefName].FullName = OPCTopic + OPCVarIn.Name;
} // End foreach
try
{
// Connect to OPC server:
Url = new Opc.URL(UrlIn);
Server = new Opc.Da.Server(Factory, null);
Server.Connect(Url, new Opc.ConnectData(new System.Net.NetworkCredential()));
// Create a write group:
groupStateWrite = new Opc.Da.SubscriptionState();
groupStateWrite.Name = "Group Write";
groupStateWrite.Active = false; //not needed to read if you want to write only
groupWrite = (Opc.Da.Subscription)Server.CreateSubscription(groupStateWrite);
// Create an event group:
groupStateEvents = new Opc.Da.SubscriptionState();
groupStateEvents.Name = "Group Events";
groupStateEvents.Active = true;
groupEvents = (Opc.Da.Subscription)Server.CreateSubscription(groupStateEvents);
// Add items to the event group:
Opc.Da.Item[] itemsEvents = new Opc.Da.Item[NumEventVars];
int j = 0;
foreach (OPCVar OPCVarIn in OPCEventVarListIn)
{
OPCEventVars[OPCVarIn.RefName].ItemEventIndex = j;
itemsEvents[j] = new Opc.Da.Item();
itemsEvents[j].ItemName = OPCEventVars[OPCVarIn.RefName].FullName;
j++;
}
itemsEvents = groupEvents.AddItems(itemsEvents);
groupEvents.DataChanged += new Opc.Da.DataChangedEventHandler(OnTransactionCompleted);
Connected = true;
return(true);
}
catch
{
return(false);
}
}
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
}
/// <summary>
/// Connects to the specified COM server server.
/// </summary>
public static object Connect(Opc.URL url, Opc.ConnectData connectData)
{
// parse path to find prog id and clsid.
string progID = url.Path;
string clsid = null;
int index = url.Path.LastIndexOf('/');
if (index >= 0)
{
progID = url.Path.Substring(0, index);
clsid = url.Path.Substring(index + 1);
}
// look up prog id if clsid not specified in the url.
Guid guid;
if (clsid == null)
{
// use OpcEnum to lookup the prog id.
guid = new ServerEnumerator().CLSIDFromProgID(progID, url.HostName, connectData);
// check if prog id is actually a clsid string.
if (guid == Guid.Empty)
{
try
{
guid = new Guid(progID);
}
catch
{
throw new Opc.ConnectFailedException(progID);
}
}
}
// convert clsid string to a guid.
else
{
try
{
guid = new Guid(clsid);
}
catch
{
throw new Opc.ConnectFailedException(clsid);
}
}
// get the credentials.
NetworkCredential credentials = (connectData != null)?connectData.GetCredential(null, null):null;
// instantiate the server using CoCreateInstanceEx.
if (connectData == null || connectData.LicenseKey == null)
{
try
{
return(OpcCom.Interop.CreateInstance(guid, url.HostName, credentials));
}
catch (Exception e)
{
throw new Opc.ConnectFailedException(e);
}
}
// instantiate the server using IClassFactory2.
else
{
try
{
return(OpcCom.Interop.CreateInstanceWithLicenseKey(guid, url.HostName, credentials, connectData.LicenseKey));
}
catch (Exception e)
{
throw new Opc.ConnectFailedException(e);
}
}
}
//======================================================================
// IFactory
/// <summary>
/// Creates a new instance of the server.
/// </summary>
public override Opc.IServer CreateInstance(Opc.URL url, Opc.ConnectData connectData)
{
object comServer = Factory.Connect(url, connectData);
if (comServer == null)
{
return(null);
}
OpcCom.Server server = null;
System.Type interfaceType = null;
try
{
// DA
if (url.Scheme == Opc.UrlScheme.DA)
{
// Verify that it is a DA server.
if (!typeof(OpcRcw.Da.IOPCServer).IsInstanceOfType(comServer))
{
interfaceType = typeof(OpcRcw.Da.IOPCServer);
throw new NotSupportedException();
}
// DA 3.00
if (typeof(OpcRcw.Da.IOPCBrowse).IsInstanceOfType(comServer) && typeof(OpcRcw.Da.IOPCItemIO).IsInstanceOfType(comServer))
{
server = new OpcCom.Da.Server(url, comServer);
}
// DA 2.XX
else if (typeof(OpcRcw.Da.IOPCItemProperties).IsInstanceOfType(comServer))
{
server = new OpcCom.Da20.Server(url, comServer);
}
else
{
interfaceType = typeof(OpcRcw.Da.IOPCItemProperties);
throw new NotSupportedException();
}
}
// AE
else if (url.Scheme == Opc.UrlScheme.AE)
{
// Verify that it is a AE server.
if (!typeof(OpcRcw.Ae.IOPCEventServer).IsInstanceOfType(comServer))
{
interfaceType = typeof(OpcRcw.Ae.IOPCEventServer);
throw new NotSupportedException();
}
server = new OpcCom.Ae.Server(url, comServer);
}
// HDA
else if (url.Scheme == Opc.UrlScheme.HDA)
{
// Verify that it is a HDA server.
if (!typeof(OpcRcw.Hda.IOPCHDA_Server).IsInstanceOfType(comServer))
{
interfaceType = typeof(OpcRcw.Hda.IOPCHDA_Server);
throw new NotSupportedException();
}
server = new OpcCom.Hda.Server(url, comServer);
}
// DX
else if (url.Scheme == Opc.UrlScheme.DX)
{
// Verify that it is a DX server.
if (!typeof(OpcRcw.Dx.IOPCConfiguration).IsInstanceOfType(comServer))
{
interfaceType = typeof(OpcRcw.Dx.IOPCConfiguration);
throw new NotSupportedException();
}
server = new OpcCom.Dx.Server(url, comServer);
}
// All other specifications not supported yet.
else
{
throw new NotSupportedException(String.Format("The URL scheme '{0}' is not supported.", url.Scheme));
}
}
catch (NotSupportedException e)
{
OpcCom.Interop.ReleaseServer(server);
server = null;
if (interfaceType != null)
{
StringBuilder message = new StringBuilder();
message.AppendFormat("The COM server does not support the interface ");
message.AppendFormat("'{0}'.", interfaceType.FullName);
message.Append("\r\n\r\nThis problem could be caused by:\r\n");
message.Append("- incorrectly installed proxy/stubs.\r\n");
message.Append("- problems with the DCOM security settings.\r\n");
message.Append("- a personal firewall (sometimes activated by default).\r\n");
throw new NotSupportedException(message.ToString());
}
throw e;
}
catch (Exception e)
{
OpcCom.Interop.ReleaseServer(server);
server = null;
throw e;
}
// initialize the wrapper object.
if (server != null)
{
server.Initialize(url, connectData);
}
return(server);
}
/// <summary>
/// Tries to connect to the server.
/// </summary>
private void Connect()
{
Opc.URL url = new Opc.URL("opcda://localhost/" + _serverName);
OpcCom.Factory fact = new OpcCom.Factory();
_server = new Opc.Da.Server(fact, null);
try
{
_server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception ex)
{
_error.Append(ex.ToString());
if (ex.InnerException != null)
_error.Append(ex.InnerException.ToString());
}
}
private void InitializeOPC()
{
try
{
if (File.Exists("settings.xml"))
{
this.CurrentCounterOfMaterial = 0;
XmlSerializer XmlSerializer1 = new XmlSerializer(typeof(Settings));
TextReader reader1 = new StreamReader("settings.xml");
Settings Settings1 = (Settings)XmlSerializer1.Deserialize(reader1);
reader1.Dispose();
if (Settings1.OPCVariablesInitialized == true)
{
// 1st: Create a server object and connect to the RSLinx OPC Server
url = new Opc.URL(Settings1.OPCConnectionString);
server = new Opc.Da.Server(fact, null);
//2nd: Connect to the created server
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000;// this isthe time between every reads from OPC server
groupState.Active = true;//this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
//groupRead.DataChanged += groupRead_DataChanged;
items[0] = new Opc.Da.Item();
items[0].ItemName = Settings1.OPCCounterName;
items[1] = new Opc.Da.Item();
items[1].ItemName = Settings1.OPCSpeedName;
items = groupRead.AddItems(items);
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
this.previous_value_of_counter = Convert.ToInt32(values[0].Value);
this.VariablesInitialized = true;
}
}
else
{
MessageBox.Show("OPC settings is empty. See Settings - > Connection...");
this.VariablesInitialized = false;
}
}
catch
{
MessageBox.Show("Bad OPC connection. Review connection string");
this.VariablesInitialized = false;
}
}
public void OnCheckOpc()
{
if (_model.VerificationList != null && _model.VerificationList.Any())
{
_opcServers = new Dictionary <Guid, Opc.Da.Server>();
foreach (var server in _model.VerificationList.Where(x => !string.IsNullOrEmpty(x.Connectionstring)))
{
// 1st: Create a server object and connect to the RSLinx OPC Server
//var url = new Opc.URL("opcda://10.85.5.111/Infinity.OPCServer");
var url = new Opc.URL(server.Connectionstring);
var fact = new OpcCom.Factory();
var opcServer = new Opc.Da.Server(fact, null);
//2nd: Connect to the created server
try
{
try
{
opcServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch
{
MessageBox.Show("Сервер " + url + " недостпуен.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
var id = server.Id;
_opcServers.Add(id, opcServer);
if (server.OpcStatements != null && server.OpcStatements.Any())
{
//3rd Create a group if items
var groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group of " + server.Caption;
groupState.UpdateRate = 1000; // this isthe time between every reads from OPC server
groupState.Active = true; //this must be true if you the group has to read value
var groupRead = (Opc.Da.Subscription)opcServer.CreateSubscription(groupState);
groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(TagValue_DataChanged); //callback when the data are readed
var items = new List <Opc.Da.Item>();
foreach (var tag in server.OpcStatements)
{
items.Add(new Opc.Da.Item
{
ItemName = tag.TagValue,
ClientHandle = id
});
}
//// add items to the group (in Rockwell names are identified like [Name of PLC in the server]Block of word:number of word,number of consecutive readed words)
////items[0] = new Opc.Da.Item();
////items[0].ItemName = "NPS_Berez2.DPS_1.Scr.Scr1";//this reads 2 word (short - 16 bit)
////items[1] = new Opc.Da.Item();
////items[1].ItemName = "SIKN_592.BIK.Vmom";//this reads an array of 10 words (short[])
//items[0] = new Opc.Da.Item();
//items[0].ItemName = "AK.SIBNP.R_Uraj.NPS_Berez2.DPS_1.Scr.Scr1";//this reads 2 word (short - 16 bit)
//items[0].ClientHandle = Guid.NewGuid();
////items[1] = new Opc.Da.Item();
////items[1].ItemName = "AK.SIBNP.R_Uraj.SERVICE.WebRouter_AK.SIBNP.R_Uraj.StatusInt.Cause";//this reads an array of 10 words (short[])
////items[2] = new Opc.Da.Item();
////items[2].ItemName = "AK.SIBNP.R_Uraj.Offline_14";//this read a 2 word array (but in the plc the are used as bits so you have to mask them)
////items[3] = new Opc.Da.Item();
////items[3].ItemName = "AK.SIBNP.R_Uraj.Test_14";//this read a 2 word array (but in the plc the are used as bits so you have to mask them)
groupRead.AddItems(items.ToArray());
}
}
catch (Exception e)
{
MessageBox.Show("Ошибка при чтении тега OPC с сервера " + url + ". " + e.Message, "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
}
// Connect to OPC HDA server
public bool Connect(string HostName, string ServerName)
{
var url = new Opc.URL();
url.Scheme = Opc.UrlScheme.HDA;
url.HostName = HostName;
url.Path = ServerName;
try {
var fact = new OpcCom.Factory();
if ((_OPCServer != null) && (!_OPCServer.IsConnected))
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is disconnected, disposing object");
//Unfortunately, in case of lost connection simply calling .Connect() doesn't work :(
//Let's try to recreate the object from scratch
_OPCServer.Dispose();
_OPCServer = null;
}
if (_OPCServer == null)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is null, creating new object");
_OPCServer = new Opc.Hda.Server(fact, null);
}
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server is disconnected, trying to connect");
_OPCServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential(), null));
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed without exception: {0}", url.ToString());
return(false);
}
_trace.TraceEvent(TraceEventType.Verbose, 0, "Succesfully connected to {0}, obj: {1}", url.ToString(), _OPCServer.GetHashCode().ToString());
}
try
{
Status = _OPCServer.GetStatus();
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server status:\n" +
"\tCurrentTime: {0}\n" +
"\tMaxReturnValues: {1}\n" +
"\tProductVersion: {2}\n" +
"\tServerState: {3}\n" +
"\tStartTime: {4}\n" +
"\tStatusInfo: {5}\n" +
"\tVendorInfo: {6}\n",
Status.CurrentTime,
Status.MaxReturnValues,
Status.ProductVersion,
Status.ServerState,
Status.StartTime,
Status.StatusInfo,
Status.VendorInfo);
}
catch (Exception e)
{
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server status: {0}, {1}", url.ToString(), e.Message);
}
try
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "SupportedAggregates:");
SupportedAggregates = _OPCServer.GetAggregates();
foreach (Opc.Hda.Aggregate agg in SupportedAggregates)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "{0}\t{1}\t{2}", agg.ID, agg.Name, agg.Description);
}
}
catch (Exception e)
{
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server supported aggregates: {0}, {1}", url.ToString(), e.Message);
}
}
catch (Exception e)
{
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed: {0}, {1}", url.ToString(), e.Message);
return(false);
}
return(true);
}
public PLCFactory(string url)
{
opcURL = new Opc.URL(url);
OpcCom.Factory fact = new OpcCom.Factory();
opcServer = new Opc.Da.Server(fact, null);
}
//======================================================================
// IFactory
/// <summary>
/// Creates a new instance of the server.
/// </summary>
public override Opc.IServer CreateInstance(Opc.URL url, Opc.ConnectData connectData)
{
// validate requested type.
if (SystemType != null)
{
// XML-DA 1.00
if (SystemType == typeof(OpcXml.Da.Server))
{
OpcXml.Da.Server server = new OpcXml.Da.Server();
try { server.Initialize(url, connectData); }
catch { throw new NotSupportedException(SystemType.FullName); }
return(server);
}
#if (UA)
// UA 1.00
if (SystemType == typeof(OpcXml.Ua.XmlServiceClient))
{
OpcXml.Ua.XmlServiceClient server = new OpcXml.Ua.XmlServiceClient();
try { server.Initialize(url, connectData); }
catch { throw new NotSupportedException(SystemType.FullName); }
return(server);
}
#endif
// object does not support requested interface type.
throw new NotSupportedException(SystemType.FullName);
}
// auto-detect server type.
else
{
// XML-DA 1.00
if (url.Scheme == Opc.UrlScheme.HTTP)
{
try
{
OpcXml.Da.Server server = new OpcXml.Da.Server();
server.Initialize(url, connectData);
return(server);
}
catch (Exception e)
{
throw new Opc.ResultIDException(Opc.ResultID.E_FAIL, e.Message, e);
}
}
#if (UA)
// UA 1.00 over TCP
if (url.Scheme == Opc.UrlScheme.UA_TCP)
{
try
{
OpcXml.Ua.TcpServiceClient server = new OpcXml.Ua.TcpServiceClient();
server.Initialize(url, connectData);
return(server);
}
catch (Exception e)
{
throw new Opc.ResultIDException(Opc.ResultID.E_FAIL, e.Message, e);
}
}
// UA 1.00 over HTTP
if (url.Scheme == Opc.UrlScheme.UA_HTTP)
{
try
{
OpcXml.Ua.XmlServiceClient server = new OpcXml.Ua.XmlServiceClient();
server.Initialize(url, connectData);
return(server);
}
catch (Exception e)
{
throw new Opc.ResultIDException(Opc.ResultID.E_FAIL, e.Message, e);
}
}
#endif
// object does not support requested url scheme.
throw new NotSupportedException(url.Scheme);
}
}
private bool Connect(string serverUrl)
{
/* When the factory creates an HDA server, it passes along 2 parameters:
* SerializationInfo info
* StreamingContext context
*
* The Factory class casts the COM object (pointing to the HDA server) to the IServer interface.
* All calls to the interface or proxied to the COM object.
*/
Opc.URL url = new Opc.URL(serverUrl);
OpcCom.Factory fact = new OpcCom.Factory();
_view.daServer = new Server(fact, url);
try
{
//_hdaServer.Connect();
try
{
_view.daServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
}
catch (Exception ex)
{
_view.ResultnMessage = ex.Message;
return(false);
}
//Console.WriteLine(String.Format("Connect to server {0}", serverName));
//3rd Create a group if items
#region Group read interlock and Machine status
_view.groupStateRead = new SubscriptionState();
_view.groupStateRead.Name = "InterLockGroup";
//_view.groupStateRead.UpdateRate = 1000;// this isthe time between every reads from OPC server
_view.groupStateRead.Active = false;//this must be true if you the group has to read value
_view.groupRead = (Subscription)_view.daServer.CreateSubscription(_view.groupStateRead);
//_view.groupRead.DataChanged += new DataChangedEventHandler(_view.group_DataChanged);//callback when the data are readed
// add items to the group (in Rockwell names are identified like [Name of PLC in the server]Block of word:number of word,number of consecutive readed words)
if (_view.groupRead.Items != null)
{
_view.groupRead.RemoveItems(_view.groupRead.Items);
}
_view.items = new Item[_view.plcTags.Count];
int i = 0;
foreach (var tag in _view.plcTags)
{
_view.items[i] = new Item();
_view.items[i].ItemName = _view.tagMainBlock + tag.PlcTag;
_view.items[i].Active = true;
i++;
}
_view.items = _view.groupRead.AddItems(_view.items);
#endregion
#region Group write
//_view.groupStateWrite = new SubscriptionState();
//_view.groupStateWrite.Name = "WriteInterLock";
//_view.groupStateWrite.Active = false;//not needed to read if you want to write only
//_view.groupWrite = (Subscription)_view.daServer.CreateSubscription(_view.groupStateWrite);
#endregion
return(true);
}
catch (Opc.ConnectFailedException opcConnExc)
{
MessageBox.Show(String.Format("Could not connect to server {0}{1}{2}"
, serverUrl
, Environment.NewLine
, opcConnExc.ToString())
, "Connection failed!"
, MessageBoxButtons.OK
, MessageBoxIcon.Error);
return(false);
}
}
private void button1_Click(object sender, EventArgs e)
{
// 1st: Create a server object and connect to the RSLinx OPC Server
url = new Opc.URL(Settings1.OPCConnectionString);
server = new Opc.Da.Server(fact, null);
listBox1.Items.Add("1st: Create a server object and connect to the RSLinx OPC Server");
//2nd: Connect to the created server
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
listBox1.Items.Add("2nd: Connect to the created server");
//3rd Create a group if items
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group999";
groupState.UpdateRate = 1000;// this isthe time between every reads from OPC server
groupState.Active = true;//this must be true if you the group has to read value
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
//groupRead.DataChanged += GroupRead_DataChanged; ;
//listBox1.Items.Add("Add event");
items = new Opc.Da.Item[1];
items[0] = new Opc.Da.Item();
items[0].ItemName = Settings1.OPCIntVarName;
items = groupRead.AddItems(items);
listBox1.Items.Add("Add Items");
Opc.Da.ItemValueResult[] values = groupRead.Read(items);
listBox1.Items.Add("Read(items)");
listBox1.Items.Add("========================");
listBox1.Items.Add(Convert.ToInt32(values[0].Value.ToString()));
label3.Text = values[0].Value.ToString();
}