/// <summary>
/// Метод для поиска всех тегов на ОРС сервере
/// </summary>
/// <param name="itemName"></param>
public void Browse(string itemName = "")
{
var itemIdentifier = new Opc.ItemIdentifier();
itemIdentifier.ItemName = itemName;
var browseFilters = new Opc.Da.BrowseFilters();
browseFilters.BrowseFilter = browseFilter.all;
var browsePosition = new Opc.Da.BrowsePosition(itemIdentifier, browseFilters);
BrowseElement[] browseElements = serverHandle.Browse(itemIdentifier, browseFilters, out browsePosition);
if (browseElements != null)
{
foreach (BrowseElement element in browseElements)
{
if (element.IsItem)
{
Console.WriteLine("Item name : {0}", element.ItemName);
}
else
{
Console.WriteLine();
Console.WriteLine("Group name : {0}", element.ItemName);
Browse(element.ItemName);
}
}
}
}
public void GetDataFilterItem(Opc.Da.Server server)
{
this.m_filterItem = null;
if (this.m_unfilteredItemID == null)
{
BrowsePosition position = null;
try
{
ItemIdentifier itemID = new ItemIdentifier(this);
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = "DataFilters",
BrowseFilter = browseFilter.all,
ReturnAllProperties = false,
PropertyIDs = null,
ReturnPropertyValues = false
};
BrowseElement[] elementArray = null;
if (this.m_unconvertedItemID == null)
{
filters.ElementNameFilter = "CPX";
elementArray = server.Browse(itemID, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return;
}
if (position != null)
{
position.Dispose();
position = null;
}
itemID = new ItemIdentifier(elementArray[0].ItemPath, elementArray[0].ItemName);
filters.ElementNameFilter = "DataFilters";
}
elementArray = server.Browse(itemID, filters, out position);
if ((elementArray != null) && (elementArray.Length != 0))
{
this.m_filterItem = new ItemIdentifier(elementArray[0].ItemPath, elementArray[0].ItemName);
}
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
}
private void recursiveTreeFill(Server server, string itemId)
{
BrowsePosition position;
BrowseFilters filters = new BrowseFilters()
{
BrowseFilter = browseFilter.all
};
ItemIdentifier item = (itemId == null) ? new ItemIdentifier() : new ItemIdentifier(itemId);
BrowseElement[] browseElements = server.Browse(item, filters, out position);
repository.Add(itemId, browseElements);
for (int index = 0; index < browseElements.Length; index++)
{
BrowseElement browsedElement = browseElements[index];
string itemName = browsedElement.ItemName;
if (browsedElement.HasChildren)
{
recursiveTreeFill(server, itemName);
}
else
{
if (!repository.ContainsKey(itemId))
{
repository.Add(itemId, new BrowseElement[] { });
}
}
}
}
/// <summary>
/// Fetches the set of data filters from the server.
/// </summary>
public ComplexItem[] GetDataFilters(Opc.Da.Server server)
{
// not a valid operation for data filter items.
if (m_unfilteredItemID != null)
{
return(null);
}
// data filters not supported by the item.
if (m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
// browse any existing filter instances.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = null;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
BrowseElement[] elements = server.Browse(m_filterItem, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return(new ComplexItem[0]);
}
// contruct an array of complex data items for each available data filter.
ArrayList dataFilters = new ArrayList(elements.Length);
foreach (BrowseElement element in elements)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
dataFilters.Add(item);
}
}
// return the set of available data filters.
return((ComplexItem[])dataFilters.ToArray(typeof(ComplexItem)));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
/// <summary>
/// Метод рекурсивного поиска тегов в UA структурах и добавление их в disoveredTags
/// </summary>
/// <param name="id">объект который надо просканировать</param>
private int Browse(Opc.ItemIdentifier id = null)
{
try
{
var filters = new Opc.Da.BrowseFilters {
BrowseFilter = Opc.Da.browseFilter.all
};
Opc.Da.BrowsePosition pos = null;
var elements = server.Browse(id, filters, out pos);
if (elements != null)
{
foreach (Opc.Da.BrowseElement element in elements)
{
if (element.IsItem)
{
_tags.Add(new Opc.Da.Item {
ItemName = element.ItemName
});
}
if (element.HasChildren)
{
Browse(new Opc.ItemIdentifier(element.ItemPath, element.ItemName));
}
}
}
return(0);
}
catch (Exception ex)
{
return(-1);
}
}
public void Browse(System.Windows.Forms.TreeNode node)
{
try
{
Opc.Da.Server server = this.FindServer(node);
ItemIdentifier itemID = null;
if (node.Tag != null && node.Tag.GetType() == typeof(BrowseElement))
{
BrowseElement browseElement = (BrowseElement)node.Tag;
itemID = new ItemIdentifier(browseElement.ItemPath, browseElement.ItemName);
}
node.Nodes.Clear();
BrowsePosition browsePosition = null;
BrowseElement[] array = server.Browse(itemID, this.m_filters, out browsePosition);
if (array != null)
{
BrowseElement[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
BrowseElement browseElement2 = array2[i];
if (!browseElement2.ItemName.Contains("alrosa_w") && !browseElement2.ItemName.Contains("List of"))
{
if (!browseElement2.IsItem)
{
this.AddBrowseElement(node, browseElement2);
}
}
}
node.Expand();
}
while (browsePosition != null)
{
System.Windows.Forms.DialogResult dialogResult = System.Windows.Forms.MessageBox.Show("More items meeting search criteria exist. Continue browse?", "Browse Items", System.Windows.Forms.MessageBoxButtons.YesNo);
if (dialogResult == System.Windows.Forms.DialogResult.No)
{
break;
}
array = server.BrowseNext(ref browsePosition);
if (array != null)
{
BrowseElement[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
BrowseElement browseElement2 = array2[i];
this.AddBrowseElement(node, browseElement2);
}
node.Expand();
}
}
}
catch (System.Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
}
}
private string getRootName(Server server)
{
BrowsePosition position;
BrowseFilters filters = new BrowseFilters()
{
BrowseFilter = browseFilter.all
};
BrowseElement[] rootElements = server.Browse(new ItemIdentifier(), filters, out position);
return(rootElements[0].ItemName);
}
public ComplexItem[] GetDataFilters(Opc.Da.Server server)
{
ComplexItem[] itemArray;
if (this.m_unfilteredItemID != null)
{
return(null);
}
if (this.m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = null,
BrowseFilter = browseFilter.item,
ReturnAllProperties = false,
PropertyIDs = CPX_PROPERTIES,
ReturnPropertyValues = true
};
BrowseElement[] elementArray = server.Browse(this.m_filterItem, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return(new ComplexItem[0]);
}
ArrayList list = new ArrayList(elementArray.Length);
foreach (BrowseElement element in elementArray)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
list.Add(item);
}
}
itemArray = (ComplexItem[])list.ToArray(typeof(ComplexItem));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
return(itemArray);
}
/// <summary>
/// Explore a folder on the Opc Server
/// </summary>
/// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
/// E.g: the tag `foo.bar` finds the sub nodes of `bar` on the folder `foo`</param>
/// <returns>The list of sub-nodes</returns>
public IEnumerable <DaNode> ExploreFolder(string tag)
{
var parent = FindNode(tag);
OpcDa.BrowsePosition p;
var nodes = _server.Browse(new ItemIdentifier(parent.Tag), new OpcDa.BrowseFilters(), out p)
.Select(t => new DaNode(t.Name, t.ItemName, parent))
.ToList();
//add nodes to cache
foreach (var node in nodes)
{
AddNodeToCache(node);
}
return(nodes);
}
private void getTree(Opc.Da.Server server)
{
BrowsePosition bp;
ItemIdentifier itemID = new ItemIdentifier();
BrowseFilters filters = new BrowseFilters();
BrowseElement[] be = server.Browse(itemID, filters, out bp);
TreeNode kepServ = null;
int i = be.Length;
// MessageBox.Show(i.ToString());
while (i != 0)
{
--i;
kepServ = treeView1.Nodes.Add(be[i].ItemName);
}
// treeView1.Nodes.Add(kepServ);
}
/// <summary>
/// Creates a new data filter.
/// </summary>
public ComplexItem CreateDataFilter(Opc.Da.Server server, string filterName, string filterValue)
{
// not a valid operation for data filter items.
if (m_unfilteredItemID != null)
{
return(null);
}
// data filters not supported by the item.
if (m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
// write the desired filter to the server.
ItemValue item = new ItemValue(m_filterItem);
// create the filter parameters document.
StringWriter ostrm = new StringWriter();
XmlTextWriter writer = new XmlTextWriter(ostrm);
writer.WriteStartElement("DataFilters");
writer.WriteAttributeString("Name", filterName);
writer.WriteString(filterValue);
writer.WriteEndElement();
writer.Close();
// create the value to write.
item.Value = ostrm.ToString();
item.Quality = Quality.Bad;
item.QualitySpecified = false;
item.Timestamp = DateTime.MinValue;
item.TimestampSpecified = false;
// write the value.
IdentifiedResult[] result = server.Write(new ItemValue[] { item });
if (result == null || result.Length == 0)
{
throw new ApplicationException("Unexpected result from server.");
}
if (result[0].ResultID.Failed())
{
throw new ApplicationException("Could not create new data filter.");
}
// browse for new data filter item.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = filterName;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
BrowseElement[] elements = server.Browse(m_filterItem, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
throw new ApplicationException("Could not browse to new data filter.");
}
ComplexItem filterItem = new ComplexItem();
if (!filterItem.Init(elements[0]))
{
throw new ApplicationException("Could not initialize to new data filter.");
}
// return the new data filter.
return(filterItem);
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
private void UpdateFolderData(TreeNode node)
{
if (node == null)
{
uiFolderTagsBindingSource.DataSource = null;
return;
}
//Add items to folder, read from OPC Server if first time
var folderTags = node.Tag as List<BrowseElement>;
if (folderTags == null)
{
TreeNode rootNode = node;
while (rootNode.Parent != null)
{
rootNode = rootNode.Parent;
}
var opcServer = Settings.OpcServers.Where(os => rootNode.FullPath == os.ServerName).Single();
string urlstring = opcServer.URL;
Server server = new Server(new Factory(), new URL(urlstring));
server.Connect();
BrowsePosition position;
BrowseFilters filters = new BrowseFilters() { BrowseFilter = browseFilter.all };
ItemIdentifier itemId = null;
if (node.FullPath != server.Name)
{
itemId = new ItemIdentifier(node.Name);
}
BrowseElement[] elements = server.Browse(itemId, filters, out position);
server.Disconnect();
var items = elements.Where(e => e.IsItem);
if (items.Any())
{
folderTags = items.ToList();
}
else
{
folderTags = new List<BrowseElement>();
}
var folders = elements.Where(e => e.IsItem == false);
if(folders.Any())
{
foreach (var element in elements.Where(e => !e.IsItem))
{
node.Nodes.Add(element.Name).Name = element.ItemName;
}
}
node.Tag = folderTags;
}
//Exlude elements which already are in group
folderTags = folderTags.ToList();
var selectedGroup = uiGroupsTab_Groups.SelectedItem as Group;
if (selectedGroup != null)
{
if (selectedGroup.Properties != null)
{
foreach (var property in selectedGroup.Properties)
{
folderTags.RemoveAll(t => t.ItemName == property.TagName);
}
}
}
uiFolderTagsBindingSource.DataSource = folderTags;
//if (elements != null)
//{
// var itemsIDs = new List<ItemIdentifier>();
// foreach (var element in elements)
// {
// itemsIDs.Add(new ItemIdentifier(element.ItemName));
// }
// var prid = new List<PropertyID>();
// prid.Add(new PropertyID(1));
// prid.Add(new PropertyID(2));
// var tst = server.GetProperties(itemsIDs.ToArray(), prid.ToArray(), true);
//}
}
private void DisplayChildren(TreeNode ParentNode, TreeNodeMouseClickEventArgs e)
{
BrowsePosition bp;
ItemIdentifier itemID = new ItemIdentifier(e.Node.FullPath.Replace("\\", "."), e.Node.FullPath.Replace("\\", "."));
BrowseFilters filters = new BrowseFilters();
BrowseElement[] be = server.Browse(itemID, filters, out bp);
// MessageBox.Show(bp.MaxElementsReturned.ToString());
if (be != null)
{
int i = be.Length;
// Вначале выводим все листья на данном уровне
while (i != 0)
{
--i;
TreeNode tvNode;
if (ParentNode == null)
{
tvNode = treeView1.Nodes.Add(be[i].Name);
if (be[i].IsItem)
{
listView1.Items.Add(be[i].Name);
Object irr = getOPCValue(e.Node.FullPath.Replace("\\", ".") + "." + be[i].Name, be);
}
}
else
{
if (be[i].IsItem)
{
ListViewItem lvItem = new ListViewItem();
ListViewItem.ListViewSubItem[] lvSubItem = new ListViewItem.ListViewSubItem[3];
Object irr = getOPCValue(e.Node.FullPath.Replace("\\", ".") + "." + be[i].Name, be);
lvItem.Text = e.Node.FullPath.Replace("\\", ".") + "." + be[i].Name;
//lvItem.SubItems.Add(getOPCValue(be[i].ItemName).ToString());
lvItem.SubItems.Add(irr.ToString());
listView2.Items.Add(lvItem);
}
else
{
tvNode = ParentNode.Nodes.Add(be[i].Name);
}
}
}
}
else
{
MessageBox.Show("be null");
}
//// BrowsePosition bp2;
//// ItemIdentifier itemID2 = new ItemIdentifier(e.Node.NextNode.Text, e.Node.NextNode.Text);
//// BrowseFilters filters2 = new BrowseFilters();
//// BrowseElement[] be2 = server.Browse(itemID, filters, out bp);
// while (cnt != 0)
// {
// TreeNode tvNode;
// if (ParentNode == null)
// tvNode = treeView1.Nodes.Add(be[i].ItemName);
// else
// tvNode = ParentNode.Nodes.Add(strName);
// // pParent.ChangeBrowsePosition(tagOPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_DOWN, strName);
// DisplayChildren(tvNode, pParent); //Рекурсивно вызываем метод
// //После того как все дочерние узлы показаны постепенно поднимаемся
// //вверх
// pParent.ChangeBrowsePosition(tagOPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_UP,
// strName);
// pEnum.RemoteNext(1, out strName, out cnt);
// }
}
/// <summary>
/// Fetches the item id for the data filters items.
/// </summary>
public void GetDataFilterItem(Opc.Da.Server server)
{
m_filterItem = null;
// not a valid operation for data filter items.
if (m_unfilteredItemID != null)
{
return;
}
BrowsePosition position = null;
try
{
ItemIdentifier itemID = new ItemIdentifier(this);
// browse any existing filter instances.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = CPX_DATA_FILTERS;
filters.BrowseFilter = browseFilter.all;
filters.ReturnAllProperties = false;
filters.PropertyIDs = null;
filters.ReturnPropertyValues = false;
BrowseElement[] elements = null;
// browse for the 'CPX' branch first.
if (m_unconvertedItemID == null)
{
filters.ElementNameFilter = CPX_BRANCH;
elements = server.Browse(itemID, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return;
}
// release the position object.
if (position != null)
{
position.Dispose();
position = null;
}
// update the item for the next browse operation.
itemID = new ItemIdentifier(elements[0].ItemPath, elements[0].ItemName);
filters.ElementNameFilter = CPX_DATA_FILTERS;
}
// browse for the 'DataFilters' branch.
elements = server.Browse(itemID, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return;
}
m_filterItem = new ItemIdentifier(elements[0].ItemPath, elements[0].ItemName);
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
public ComplexItem CreateDataFilter(Opc.Da.Server server, string filterName, string filterValue)
{
ComplexItem item2;
if (this.m_unfilteredItemID != null)
{
return(null);
}
if (this.m_filterItem == null)
{
return(null);
}
BrowsePosition position = null;
try
{
ItemValue value2 = new ItemValue(this.m_filterItem);
StringWriter w = new StringWriter();
XmlTextWriter writer2 = new XmlTextWriter(w);
writer2.WriteStartElement("DataFilters");
writer2.WriteAttributeString("Name", filterName);
writer2.WriteString(filterValue);
writer2.WriteEndElement();
writer2.Close();
value2.Value = w.ToString();
value2.Quality = Quality.Bad;
value2.QualitySpecified = false;
value2.Timestamp = DateTime.MinValue;
value2.TimestampSpecified = false;
IdentifiedResult[] resultArray = server.Write(new ItemValue[] { value2 });
if ((resultArray == null) || (resultArray.Length == 0))
{
throw new ApplicationException("Unexpected result from server.");
}
if (resultArray[0].ResultID.Failed())
{
throw new ApplicationException("Could not create new data filter.");
}
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = filterName,
BrowseFilter = browseFilter.item,
ReturnAllProperties = false,
PropertyIDs = CPX_PROPERTIES,
ReturnPropertyValues = true
};
BrowseElement[] elementArray = server.Browse(this.m_filterItem, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
throw new ApplicationException("Could not browse to new data filter.");
}
ComplexItem item = new ComplexItem();
if (!item.Init(elementArray[0]))
{
throw new ApplicationException("Could not initialize to new data filter.");
}
item2 = item;
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
return(item2);
}
public ComplexItem[] GetTypeConversions(Opc.Da.Server server)
{
ComplexItem[] itemArray;
if ((this.m_unconvertedItemID != null) || (this.m_unfilteredItemID != null))
{
return(null);
}
BrowsePosition position = null;
try
{
BrowseFilters filters = new BrowseFilters {
ElementNameFilter = "CPX",
BrowseFilter = browseFilter.branch,
ReturnAllProperties = false,
PropertyIDs = null,
ReturnPropertyValues = false
};
BrowseElement[] elementArray = server.Browse(this, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return(null);
}
if (position != null)
{
position.Dispose();
position = null;
}
ItemIdentifier itemID = new ItemIdentifier(elementArray[0].ItemPath, elementArray[0].ItemName);
filters.ElementNameFilter = null;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
elementArray = server.Browse(itemID, filters, out position);
if ((elementArray == null) || (elementArray.Length == 0))
{
return(new ComplexItem[0]);
}
ArrayList list = new ArrayList(elementArray.Length);
foreach (BrowseElement element in elementArray)
{
if (element.Name != "DataFilters")
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
item.GetDataFilterItem(server);
list.Add(item);
}
}
}
itemArray = (ComplexItem[])list.ToArray(typeof(ComplexItem));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
return(itemArray);
}
/// <summary>
/// Fetches the set of type conversions from the server.
/// </summary>
public ComplexItem[] GetTypeConversions(Opc.Da.Server server)
{
// only the root item can have type conversions.
if (m_unconvertedItemID != null || m_unfilteredItemID != null)
{
return(null);
}
BrowsePosition position = null;
try
{
// look for the 'CPX' branch.
BrowseFilters filters = new BrowseFilters();
filters.ElementNameFilter = CPX_BRANCH;
filters.BrowseFilter = browseFilter.branch;
filters.ReturnAllProperties = false;
filters.PropertyIDs = null;
filters.ReturnPropertyValues = false;
BrowseElement[] elements = server.Browse(this, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return(null);
}
// release the browse position object.
if (position != null)
{
position.Dispose();
position = null;
}
// browse for type conversions.
ItemIdentifier itemID = new ItemIdentifier(elements[0].ItemPath, elements[0].ItemName);
filters.ElementNameFilter = null;
filters.BrowseFilter = browseFilter.item;
filters.ReturnAllProperties = false;
filters.PropertyIDs = CPX_PROPERTIES;
filters.ReturnPropertyValues = true;
elements = server.Browse(itemID, filters, out position);
// nothing found.
if (elements == null || elements.Length == 0)
{
return(new ComplexItem[0]);
}
// contruct an array of complex data items for each available conversion.
ArrayList conversions = new ArrayList(elements.Length);
foreach (BrowseElement element in elements)
{
if (element.Name != CPX_DATA_FILTERS)
{
ComplexItem item = new ComplexItem();
if (item.Init(element))
{
// check if data filters supported for type conversion.
item.GetDataFilterItem(server);
conversions.Add(item);
}
}
}
// return the set of available conversions.
return((ComplexItem[])conversions.ToArray(typeof(ComplexItem)));
}
finally
{
if (position != null)
{
position.Dispose();
position = null;
}
}
}
