private void Browse(string id_opcclient, OpcNodeInfo node, int level = 0)
{
if (node.Children().Count() == 0)
{
if (repo._context.sys_opcs.Where(t => t.id_opcclient == id_opcclient && t.opcnode == node.NodeId.ToString()).Count() == 0)
{
var db = new DataBase.System.sys_opc_db()
{
create_by = getUserId(),
name = node.Name.ToString(),
id_opcclient = id_opcclient,
opcnode = node.NodeId.ToString(),
id = Guid.NewGuid().ToString(),
status_del = 1,
note = "auto insert",
};
repo._context.sys_opcs.AddAsync(db);
repo._context.SaveChanges();
}
}
level++;
foreach (var childNode in node.Children())
{
Browse(id_opcclient, childNode, level);
}
}
private static void Browse(OpcNodeInfo node, int level)
{
//// In general attributes and children are retrieved from the server on demand. This
//// is done to reduce the amount of traffic and to improve the preformance when
//// searching/browsing for specific attributes or children. After attributes or
//// children of a node were browsed they are stored internally so that subsequent
//// attribute and children requests are processed without any interaction with the
//// OPC UA server.
// Browse the DisplayName attribute of the node. It is also possible to browse
// multiple attributes at once (see the method Attributes(...)).
var displayName = node.Attribute(OpcAttribute.DisplayName);
Console.WriteLine(
"{0}{1} ({2})",
new string(' ', level * 4),
node.NodeId.ToString(OpcNodeIdFormat.Foundation),
displayName.Value);
// Browse the children of the node and continue browsing in preorder.
foreach (var childNode in node.Children())
{
Program.Browse(childNode, level + 1);
}
}
private void Browse(OpcNodeInfo node, int level = 0)
{
Console.WriteLine("{0}{1}({2})",
new string('.', level * 4),
node.Attribute(OpcAttribute.DisplayName).Value,
node.NodeId);
level++;
foreach (var childNode in node.Children())
{
Browse(childNode, level);
}
}
private static IEnumerable <(OpcNodeId ParentId, OpcMethodNodeInfo Node)> BrowseMethods(OpcNodeInfo node)
{
var parentId = node.NodeId;
foreach (var childNode in node.Children())
{
if (childNode is OpcMethodNodeInfo methodNode)
{
yield return(parentId, methodNode);
}
else
{
foreach (var childMethod in BrowseMethods(childNode))
{
yield return(childMethod);
}
}
}
}
private static int GetLastJob(OpcNodeInfo jobsNode)
{
var readJobs = new List <OpcReadNode>();
foreach (var childNode in jobsNode.Children())
{
if (childNode is OpcVariableNodeInfo jobNode)
{
readJobs.Add(new OpcReadNode(jobNode.NodeId, OpcAttribute.BrowseName));
}
}
var client = jobsNode.Context.Client;
return((from value in client.ReadNodes(readJobs)
where value.Status.IsGood
let jobName = value.As <OpcName>().Value
let jobId = int.Parse(jobName.Substring("JOB".Length))
select jobId).Max());
}
