/// <summary>
/// Converts an array of COM DXConnection structures to .NET DXConnection objects.
/// </summary>
internal static DXConnection[] GetDXConnections(ref IntPtr pInput, int count, bool deallocate)
{
DXConnection[] output = null;
if (pInput != IntPtr.Zero && count > 0)
{
output = new DXConnection[count];
IntPtr pos = pInput;
for (int ii = 0; ii < count; ii++)
{
OpcRcw.Dx.DXConnection connection = (OpcRcw.Dx.DXConnection)Marshal.PtrToStructure(pos, typeof(OpcRcw.Dx.DXConnection));
output[ii] = GetDXConnection(connection, deallocate);
if (deallocate)
{
Marshal.DestroyStructure(pos, typeof(OpcRcw.Dx.DXConnection));
}
pos = (IntPtr)(pos.ToInt64() + Marshal.SizeOf(typeof(OpcRcw.Dx.DXConnection)));
}
if (deallocate)
{
Marshal.FreeCoTaskMem(pInput);
pInput = IntPtr.Zero;
}
}
return(output);
}
/// <summary>
/// Updates a set of connections which meet the specified query criteria.
/// </summary>
/// <param name="browsePath">The browse path where the search begins.</param>
/// <param name="connectionMasks">The masks that define the query criteria.</param>
/// <param name="recursive">Whether the folders under the browse path are searched as well.</param>
/// <param name="connectionDefinition">The changes that will be applied to all connections meeting the criteria.</param>
/// <param name="errors">Any errors associated with individual query masks.</param>
/// <returns>The list of connections that met the criteria and were updated.</returns>
public GeneralResponse UpdateDXConnections(
string browsePath,
DXConnection[] connectionMasks,
bool recursive,
DXConnection connectionDefinition,
out ResultID[] errors)
{
lock (this)
{
if (m_server == null)
{
throw new NotConnectedException();
}
try
{
OpcRcw.Dx.DXConnection[] input = Interop.GetDXConnections(connectionMasks);
if (input == null)
{
input = new OpcRcw.Dx.DXConnection[0];
}
OpcRcw.Dx.DXConnection definition = Interop.GetDXConnection(connectionDefinition);
OpcRcw.Dx.DXGeneralResponse pResponse;
IntPtr pErrors = IntPtr.Zero;
((OpcRcw.Dx.IOPCConfiguration)m_server).UpdateDXConnections(
(browsePath != null)?browsePath:"",
input.Length,
input,
(recursive)?1:0,
ref definition,
out pErrors,
out pResponse);
errors = Interop.GetResultIDs(ref pErrors, input.Length, true);
return(Interop.GetGeneralResponse(pResponse, true));
}
catch (Exception e)
{
throw OpcCom.Interop.CreateException("IOPCConfiguration.UpdateDXConnections", e);
}
}
}
/// <summary>
/// Converts a COM DXConnection structure to a .NET DXConnection object.
/// </summary>
internal static DXConnection GetDXConnection(OpcRcw.Dx.DXConnection input, bool deallocate)
{
DXConnection output = new DXConnection();
// set output default values.
output.ItemPath = null;
output.ItemName = null;
output.Version = null;
output.BrowsePaths.Clear();
output.Name = null;
output.Description = null;
output.Keyword = null;
output.DefaultSourceItemConnected = false;
output.DefaultSourceItemConnectedSpecified = false;
output.DefaultTargetItemConnected = false;
output.DefaultTargetItemConnectedSpecified = false;
output.DefaultOverridden = false;
output.DefaultOverriddenSpecified = false;
output.DefaultOverrideValue = null;
output.SubstituteValue = null;
output.EnableSubstituteValue = false;
output.EnableSubstituteValueSpecified = false;
output.TargetItemPath = null;
output.TargetItemName = null;
output.SourceServerName = null;
output.SourceItemPath = null;
output.SourceItemName = null;
output.SourceItemQueueSize = 0;
output.SourceItemQueueSizeSpecified = false;
output.UpdateRate = 0;
output.UpdateRateSpecified = false;
output.Deadband = 0;
output.DeadbandSpecified = false;
output.VendorData = null;
// item name
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.ItemName) != 0)
{
output.ItemName = input.szItemName;
}
// item path
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.ItemPath) != 0)
{
output.ItemPath = input.szItemPath;
}
// version
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.Version) != 0)
{
output.Version = input.szVersion;
}
// browse paths
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.BrowsePaths) != 0)
{
string[] browsePaths = OpcCom.Interop.GetUnicodeStrings(ref input.pszBrowsePaths, input.dwBrowsePathCount, deallocate);
if (browsePaths != null)
{
output.BrowsePaths.AddRange(browsePaths);
}
}
// name
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.Name) != 0)
{
output.Name = input.szName;
}
// description
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.Description) != 0)
{
output.Description = input.szDescription;
}
// keyword
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.Keyword) != 0)
{
output.Keyword = input.szKeyword;
}
// default source item connected
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.DefaultSourceItemConnected) != 0)
{
output.DefaultSourceItemConnected = input.bDefaultSourceItemConnected != 0;
output.DefaultSourceItemConnectedSpecified = true;
}
// default target item connected
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.DefaultTargetItemConnected) != 0)
{
output.DefaultTargetItemConnected = input.bDefaultTargetItemConnected != 0;
output.DefaultTargetItemConnectedSpecified = true;
}
// default overridden
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.DefaultOverridden) != 0)
{
output.DefaultOverridden = input.bDefaultOverridden != 0;
output.DefaultOverriddenSpecified = true;
}
// default override value
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.DefaultOverrideValue) != 0)
{
output.DefaultOverrideValue = input.vDefaultOverrideValue;
}
// substitute value
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.SubstituteValue) != 0)
{
output.SubstituteValue = input.vSubstituteValue;
}
// enable substitute value
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.EnableSubstituteValue) != 0)
{
output.EnableSubstituteValue = input.bEnableSubstituteValue != 0;
output.EnableSubstituteValueSpecified = true;
}
// target item name
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.TargetItemName) != 0)
{
output.TargetItemName = input.szTargetItemName;
}
// target item path
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.TargetItemPath) != 0)
{
output.TargetItemPath = input.szTargetItemPath;
}
// source server name
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.SourceServerName) != 0)
{
output.SourceServerName = input.szSourceServerName;
}
// source item name
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.SourceItemName) != 0)
{
output.SourceItemName = input.szSourceItemName;
}
// source item path
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.SourceItemPath) != 0)
{
output.SourceItemPath = input.szSourceItemPath;
}
// source item queue size
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.SourceItemQueueSize) != 0)
{
output.SourceItemQueueSize = input.dwSourceItemQueueSize;
output.SourceItemQueueSizeSpecified = true;
}
// update rate
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.UpdateRate) != 0)
{
output.UpdateRate = input.dwUpdateRate;
output.UpdateRateSpecified = true;
}
// deadband
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.DeadBand) != 0)
{
output.Deadband = input.fltDeadBand;
output.DeadbandSpecified = true;
}
// vendor data
if ((input.dwMask & (uint)OpcRcw.Dx.Mask.VendorData) != 0)
{
output.VendorData = input.szVendorData;
}
return(output);
}
/// <summary>
/// Converts a .NET DXConnection object to COM DXConnection structure.
/// </summary>
internal static OpcRcw.Dx.DXConnection GetDXConnection(DXConnection input)
{
OpcRcw.Dx.DXConnection output = new OpcRcw.Dx.DXConnection();
// set output default values.
output.dwMask = 0;
output.szItemPath = null;
output.szItemName = null;
output.szVersion = null;
output.dwBrowsePathCount = 0;
output.pszBrowsePaths = IntPtr.Zero;
output.szName = null;
output.szDescription = null;
output.szKeyword = null;
output.bDefaultSourceItemConnected = 0;
output.bDefaultTargetItemConnected = 0;
output.bDefaultOverridden = 0;
output.vDefaultOverrideValue = null;
output.vSubstituteValue = null;
output.bEnableSubstituteValue = 0;
output.szTargetItemPath = null;
output.szTargetItemName = null;
output.szSourceServerName = null;
output.szSourceItemPath = null;
output.szSourceItemName = null;
output.dwSourceItemQueueSize = 0;
output.dwUpdateRate = 0;
output.fltDeadBand = 0;
output.szVendorData = null;
// item name
if (input.ItemName != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.ItemName;
output.szItemName = input.ItemName;
}
// item path
if (input.ItemPath != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.ItemPath;
output.szItemPath = input.ItemPath;
}
// version
if (input.Version != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.Version;
output.szVersion = input.Version;
}
// browse paths
if (input.BrowsePaths.Count > 0)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.BrowsePaths;
output.dwBrowsePathCount = input.BrowsePaths.Count;
output.pszBrowsePaths = OpcCom.Interop.GetUnicodeStrings(input.BrowsePaths.ToArray());
}
// name
if (input.Name != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.Name;
output.szName = input.Name;
}
// description
if (input.Description != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.Description;
output.szDescription = input.Description;
}
// keyword
if (input.Keyword != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.Keyword;
output.szKeyword = input.Keyword;
}
// default source item connected
if (input.DefaultSourceItemConnectedSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.DefaultSourceItemConnected;
output.bDefaultSourceItemConnected = (input.DefaultSourceItemConnected)?1:0;
}
// default target item connected
if (input.DefaultTargetItemConnectedSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.DefaultTargetItemConnected;
output.bDefaultTargetItemConnected = (input.DefaultTargetItemConnected)?1:0;
}
// default overridden
if (input.DefaultOverriddenSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.DefaultOverridden;
output.bDefaultOverridden = (input.DefaultOverridden)?1:0;
}
// default override value
if (input.DefaultOverrideValue != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.DefaultOverrideValue;
output.vDefaultOverrideValue = input.DefaultOverrideValue;
}
// substitute value
if (input.SubstituteValue != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.SubstituteValue;
output.vSubstituteValue = input.SubstituteValue;
}
// enable substitute value
if (input.EnableSubstituteValueSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.EnableSubstituteValue;
output.bEnableSubstituteValue = (input.EnableSubstituteValue)?1:0;
}
// target item name
if (input.TargetItemName != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.TargetItemName;
output.szTargetItemName = input.TargetItemName;
}
// target item path
if (input.TargetItemPath != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.TargetItemPath;
output.szTargetItemPath = input.TargetItemPath;
}
// source server name
if (input.SourceServerName != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.SourceServerName;
output.szSourceServerName = input.SourceServerName;
}
// source item name
if (input.SourceItemName != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.SourceItemName;
output.szSourceItemName = input.SourceItemName;
}
// source item path
if (input.SourceItemPath != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.SourceItemPath;
output.szSourceItemPath = input.SourceItemPath;
}
// source item queue size
if (input.SourceItemQueueSizeSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.SourceItemQueueSize;
output.dwSourceItemQueueSize = input.SourceItemQueueSize;
}
// update rate
if (input.UpdateRateSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.UpdateRate;
output.dwUpdateRate = input.UpdateRate;
}
// deadband
if (input.DeadbandSpecified)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.DeadBand;
output.fltDeadBand = input.Deadband;
}
// vendor data
if (input.VendorData != null)
{
output.dwMask |= (uint)OpcRcw.Dx.Mask.VendorData;
output.szVendorData = input.VendorData;
}
return(output);
}
