Opc.Ua.ServerTest.TestBase.Browse C# (CSharp) Method

        protected virtual bool Browse(
            Node node,
            BrowseDescription nodeToBrowse, 
            ReferenceDescriptionCollection references)
        {            
            BrowseDescriptionCollection nodesToBrowse = new BrowseDescriptionCollection();
            nodesToBrowse.Add(nodeToBrowse);

            BrowseResultCollection results;
            DiagnosticInfoCollection diagnosticInfos;
            
            RequestHeader requestHeader = new RequestHeader();
            requestHeader.ReturnDiagnostics = 0;

            Session.Browse(
                requestHeader,
                new ViewDescription(),
                0,
                nodesToBrowse,
                out results,
                out diagnosticInfos);
            
            ClientBase.ValidateResponse(results, nodesToBrowse);
            ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToBrowse);
            
            // check diagnostics.
            if (diagnosticInfos != null && diagnosticInfos.Count > 0)
            {
                Log("Returned non-empty DiagnosticInfos array during Browse.");
                return false;
            }
            
            // process results.
            ByteStringCollection continuationPoints = new ByteStringCollection();

            for (int ii = 0; ii < results.Count; ii++)
            {
                // check status code.
                if (StatusCode.IsBad(results[ii].StatusCode))
                {
                    Log(
                        "Browse Failed for Node '{0}'. Status = {2}, NodeId = {1}", 
                        node, 
                        node.NodeId, 
                        results[ii].StatusCode);

                    return false;
                }
                
                // save references.
                references.AddRange(results[ii].References);

                if (results[ii].ContinuationPoint != null)
                {
                    continuationPoints.Add(results[ii].ContinuationPoint);
                }
            }
            
            // process continuation points.
            while (continuationPoints.Count > 0)
            {                       
                requestHeader = new RequestHeader();
                requestHeader.ReturnDiagnostics = 0;

                Session.BrowseNext(
                    requestHeader,
                    false,
                    continuationPoints,
                    out results,
                    out diagnosticInfos);
                
                ClientBase.ValidateResponse(results, continuationPoints);
                ClientBase.ValidateDiagnosticInfos(diagnosticInfos, continuationPoints);

                // check diagnostics.
                if (diagnosticInfos != null && diagnosticInfos.Count > 0)
                {
                    Log("Returned non-empty DiagnosticInfos array during BrowseNext.");
                    return false;
                }
                
                continuationPoints.Clear();

                // process results.
                for (int ii = 0; ii < results.Count; ii++)
                {
                    // check status code.
                    if (StatusCode.IsBad(results[ii].StatusCode))
                    {
                        Log(
                            "BrowseNext Failed for Node '{0}'. Status = {2}, NodeId = {1}", 
                            node, 
                            node.NodeId, 
                            results[ii].StatusCode);

                        return false;
                    }

                    // save references.
                    references.AddRange(results[ii].References);

                    if (results[ii].ContinuationPoint != null)
                    {
                        // check max references.
                        if (results[ii].References.Count == 0)
                        {
                            Log(
                                "No references returned with a continuation point for Node '{0}'. NodeId = {1}",
                                node, 
                                node.NodeId);
                           
                            return false;
                        }

                        continuationPoints.Add(results[ii].ContinuationPoint);
                    }
                }
            }
            
            return true;
        }