public OperationResult<OpcServerStatus> GetOpcDaServerStatus(OpcDaServer server)
{
var status = OpcDaServersProcessor.GetServerStatus(server);
return status != null ? new OperationResult<OpcServerStatus>(status) :
new OperationResult<OpcServerStatus>
{
Errors = new List<string> { string.Format("OPC DA сервер {0} не подключен", server.ServerName) },
Result = null
};
}
public OperationResult<OpcDaElement[]> GetOpcDaServerGroupAndTags(OpcDaServer server)
{
OperationResult<OpcDaElement[]> result;
var tags = OpcDaServersProcessor.GetOpcDaServerGroupAndTags(server);
if (tags != null)
{
result = new OperationResult<OpcDaElement[]>(tags);
}
else
{
result = new OperationResult<OpcDaElement[]>
{
Errors = new List<string> { string.Format("OPC DA сервер {0} не найден", server.ServerName) },
Result = null
};
}
return result;
}
public OperationResult<OpcDaTagValue[]> ReadOpcDaServerTags(OpcDaServer server)
{
var values = OpcDaServersProcessor.ReadTags(server);
return new OperationResult<OpcDaTagValue[]>(values);
}
public static OpcDaTagValue[] ReadTags(OpcDaServer server)
{
return _tags.Where(tag => tag.ServerId == server.Uid).ToArray();
}
public static OpcDaElement[] GetOpcDaServerGroupAndTags(OpcDaServer server)
{
OpcDaElement[] result;
var srv = _Servers.FirstOrDefault(x => x.Item1.ServerName == server.ServerName);
var opcServer = srv == null ? null : srv.Item1;
if (opcServer == null)
{
opcServer = (TsCDaServer)OpcDiscovery.GetServers(OpcSpecification.OPC_DA_20)
.FirstOrDefault(y => y.ServerName == server.ServerName);
if (opcServer == null)
{
result = null;
}
else
{
opcServer.Connect(new OpcUrl(OpcSpecification.OPC_DA_20, OpcUrlScheme.DA, server.Url), null);
result = Browse(opcServer).Select(tag =>
{
return tag.IsItem ? OpcDaElement.Create(tag) : OpcDaElement.Create(tag);
})
.ToArray(); ;
opcServer.Disconnect();
}
}
else
{
if (opcServer.IsConnected)
{
result = Browse(opcServer)
.Select(tag =>
{
return tag.IsItem ? OpcDaElement.Create(tag) : OpcDaElement.Create(tag);
})
.ToArray();
}
else
{
result = null;
}
}
return result;
}
public static OpcServerStatus GetServerStatus(OpcDaServer server)
{
var opcServer = _Servers.FirstOrDefault(x => x.Item1.ServerName == server.ServerName);
if (opcServer == null)
{
var srv = GetOpcDaServers().FirstOrDefault(s => s.ServerName == server.ServerName);
if (srv != null)
{
var url = new OpcUrl(OpcSpecification.OPC_DA_20, OpcUrlScheme.DA, server.Url);
var opcSrv = new TsCDaServer();
try
{
opcSrv.Connect(url, null);
var result = opcSrv.GetServerStatus();
opcSrv.Disconnect();
return result;
}
catch
{
return null;
}
}
else
return null;
}
else
{
return opcServer.Item1.IsConnected ? opcServer.Item1.GetServerStatus() : null;
}
}
public static OpcDaServer[] GetOpcDaServers()
{
OpcDaServer[] result;
try
{
result = (OpcDiscovery.GetServers(OpcSpecification.OPC_DA_20)
.Select(srv => new OpcDaServer
{
IsChecked = false,
Login = string.Empty,
Password = string.Empty,
ServerName = srv.ServerName,
Url = srv.Url.ToString()
})
.ToArray());
}
catch (Exception ex)
{
result = new OpcDaServer[0];
Notifier.UILog(ex.Message, true);
}
return result;
}
