/// <summary>
/// Initializes a new instance of the <see cref="OPCClientGroup"/> class.
/// </summary>
/// <param name="group">The group description from XML configuration file<see cref="OPCCliConfiguration.SubscriptionsRow"/>.</param>
/// <param name="items">The table of items <see cref="OPCCliConfiguration.ItemsRow"/>.</param>
/// <param name="server">Server that this group should belong to</param>
/// <param name="parent">The parent.</param>
/// <param name="volumeConstrain">The volume constrain.</param>
private void OPCClientGroup
(
OPCCliConfiguration.SubscriptionsRow group,
OPCCliConfiguration.ItemsRow[] items,
OPC_Interface server,
ref uint?volumeConstrain
)
{
if (volumeConstrain.HasValue)
{
if (volumeConstrain.Value < items.Length)
{
throw new LicenseException(typeof(DataBindingsManager), this, CAS.Lib.CodeProtect.Properties.Resources.Tx_LicVolumeConstrainErr);
}
else
{
volumeConstrain = volumeConstrain.Value - Convert.ToUInt32(items.Length);
}
}
SubscriptionState state = group.CreateSubscriptionState;
OPC_Interface.OPCGroup m_OPCGroup;
m_OPCGroup = server.CreateOPCGroup((uint)group.ID, (uint)group.ID_server, group.Asynchronous, state);
m_OPCGroup.Tags = Tags(items, server, m_OPCGroup);
}
/// <summary>
/// Creates new instance of an OPC client and
/// </summary>
/// <param name="server">The server.</param>
/// <param name="volumeConstrain">The volume constrain.</param>
private void CrateServer(OPCCliConfiguration.ServersRow server, ref uint?volumeConstrain)
{
OPC_Interface m_Server = new OPC_Interface(server.PreferedSpecification, server.URL, server.Name);
foreach (OPCCliConfiguration.SubscriptionsRow group in server.GetSubscriptionsRows())
{
OPCClientGroup(group, group.GetItemsRows(), m_Server, ref volumeConstrain);
}
}
private OPC_Interface.OPC_Interface_Tag[] Tags
( OPCCliConfiguration.ItemsRow[] items, OPC_Interface server, OPC_Interface.OPCGroup oPCGroup )
{
OPCClientTag[] tags = new OPCClientTag[ items.Length ];
int idx = 0;
#region foreach ( OPCCliConfiguration.ItemsRow row in items )
foreach ( OPCCliConfiguration.ItemsRow row in items )
{
OpcDa.Item item = row.Item;
double measurement_low = double.NaN;
double measurement_hi = double.NaN;
double engineer_low = double.NaN;
double engineer_hi = double.NaN;
OPCCliConfiguration.ConversionsRow[] conversions = row.GetConversionsRows();
if ( conversions.Length > 0 )
{
if ( conversions.Length != 1 )
throw new Exception( "Too many ConversionsRows for item " + row.Name );
//musimy konwersje uruchomic
measurement_low = conversions[ 0 ].MeasuredValue1;
measurement_hi = conversions[ 0 ].MeasuredValue2;
engineer_low = conversions[ 0 ].EngineeringValue1;
engineer_hi = conversions[ 0 ].EngineeringValue2;
}
//odczytanie odpowiednich property z pliku opisów
global::Opc.Da.ItemPropertyCollection properties =
BaseStation.ItemDescriber.ItemDescriber2OpcDA.GetItemPropertiesCollection( row.Name, Main.m_ds_dsc );
if ( properties.Count == 0 )
{
//nalezy sprawdzic jeszcze - czy moze nie ma nazewnictwa path/ tagname:
properties = BaseStation.ItemDescriber.ItemDescriber2OpcDA.GetItemPropertiesCollection
( server.Name + "/" + oPCGroup.Name + "/" + row.Name, Main.m_ds_dsc );
}
OPCTag tagStatistics =
new OPCTag( (uint)row.ID, row.Item, measurement_low, measurement_hi, engineer_low, engineer_hi );
string path = server.Name + "/" + oPCGroup.Name + "/";
OPCClientTag tag = new OPCClientTag
( tagStatistics, oPCGroup, null, OpcDa.qualityBits.badNotConnected, properties, path, row.Item );
tag.ClientHandle = idx;
tags[ idx++ ] = tag;
}
#endregion foreach ( OPCCliConfiguration.ItemsRow row in items )
return tags;
}
/// <summary>
/// Initializes a new instance of the <see cref="OPCClientGroup"/> class.
/// </summary>
/// <param name="group">The group description from XML configuration file<see cref="OPCCliConfiguration.SubscriptionsRow"/>.</param>
/// <param name="items">The table of items <see cref="OPCCliConfiguration.ItemsRow"/>.</param>
/// <param name="server">Server that this group should belong to</param>
/// <param name="parent">The parent.</param>
/// <param name="volumeConstrain">The volume constrain.</param>
internal OPCClientGroup
(
OPCCliConfiguration.SubscriptionsRow group,
OPCCliConfiguration.ItemsRow[] items,
OPC_Interface server,
OPCDataQueue parent,
ref uint? volumeConstrain
)
{
if ( volumeConstrain.HasValue )
if ( volumeConstrain.Value < items.Length )
throw new LicenseException( typeof( Main ), Main.MainComponent, CAS.Lib.CodeProtect.Properties.Resources.Tx_LicVolumeConstrainErr );
else
volumeConstrain = volumeConstrain.Value - Convert.ToUInt32( items.Length );
OpcDa.SubscriptionState state = group.CreateSubscriptionState;
m_OPCGroup = server.CreateOPCGroup( (uint)group.ID, (uint)group.ID_server, group.Asynchronous, state );
m_OPCGroup.Tags = Tags( items, server, m_OPCGroup );
m_AllGroups.Add( this );
}
private OPC_Interface.OPC_Interface_Tag[] Tags
(OPCCliConfiguration.ItemsRow[] items, OPC_Interface server, OPC_Interface.OPCGroup oPCGroup)
{
OPC_Interface.OPC_Interface_Tag[] tags = new OPC_Interface.OPC_Interface_Tag[items.Length];
int idx = 0;
#region foreach ( OPCCliConfiguration.ItemsRow row in items )
foreach (OPCCliConfiguration.ItemsRow row in items)
{
Opc.Da.Item item = row.Item;
double measurement_low = double.NaN;
double measurement_hi = double.NaN;
double engineer_low = double.NaN;
double engineer_hi = double.NaN;
OPCCliConfiguration.ConversionsRow[] conversions = row.GetConversionsRows();
if (conversions.Length > 0)
{
if (conversions.Length != 1)
{
throw new Exception("Too many ConversionsRows for item " + row.Name);
}
//musimy konwersje uruchomic
measurement_low = conversions[0].MeasuredValue1;
measurement_hi = conversions[0].MeasuredValue2;
engineer_low = conversions[0].EngineeringValue1;
engineer_hi = conversions[0].EngineeringValue2;
}
OPCTag tagStatistics =
new OPCTag((uint)row.ID, row.Item, measurement_low, measurement_hi, engineer_low, engineer_hi);
string path = server.Name + "/" + oPCGroup.Name + "/";
OPC_Interface.OPC_Interface_Tag tag = new OPC_Interface.OPC_Interface_Tag
(tagStatistics, oPCGroup, null, Opc.Da.qualityBits.badNotConnected, null, path, row.Item);
tag.ClientHandle = idx;
tags[idx++] = tag;
this.Add(UniqueIdentyfier(server.Name, oPCGroup.Name, row.Name), tag);
}
#endregion foreach ( OPCCliConfiguration.ItemsRow row in items )
return(tags);
}
/// <summary>
/// Connects all serves and starts pumping the datat .
/// </summary>
public void Start()
{
OPC_Interface.SwitchOnAllServers();
}
/// <summary>
/// Stops all data sources and disconnect all servers.
/// </summary>
public void Stop()
{
OPC_Interface.DisconnectAllServers();
}
/// <summary>
/// finalize all server interfaces
/// </summary>
internal static void DisconnectAllServers()
{
OPC_Interface.DisconnectAllServers();
}
/// <summary>
/// Switch on Scanning of thr all goups and complet initiaition
/// </summary>
internal static void SwitchOnScanning()
{
OPC_Interface.SwitchOnAllServers();
OPCClientTransaction.SwitchOnAll();
}
