Esempio n. 1
0
        /// <summary>
        /// Initializes the node manager.
        /// </summary>
        public PerfTestNodeManager(IServerInternal server, ApplicationConfiguration configuration)
            :
            base(server, configuration, Namespaces.PerfTest)
        {
            SystemContext.NodeIdFactory = this;
            SystemContext.SystemHandle  = m_system = new UnderlyingSystem();

            // get the configuration for the node manager.
            m_configuration = configuration.ParseExtension <PerfTestServerConfiguration>();

            // use suitable defaults if no configuration exists.
            if (m_configuration == null)
            {
                m_configuration = new PerfTestServerConfiguration();
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Initializes the node manager.
        /// </summary>
        public PerfTestNodeManager(IServerInternal server, ApplicationConfiguration configuration)
        :
            base(server, configuration, Namespaces.PerfTest)
        {
            SystemContext.NodeIdFactory = this;
            SystemContext.SystemHandle = m_system = new UnderlyingSystem();

            // get the configuration for the node manager.
            m_configuration = configuration.ParseExtension<PerfTestServerConfiguration>();

            // use suitable defaults if no configuration exists.
            if (m_configuration == null)
            {
                m_configuration = new PerfTestServerConfiguration();
            }
        }
Esempio n. 3
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        /// <summary>
        /// Returns the next reference.
        /// </summary>
        /// <returns>The next reference that meets the browse criteria.</returns>
        public override IReference Next()
        {
            UnderlyingSystem system = (UnderlyingSystem)this.SystemContext.SystemHandle;

            lock (DataLock)
            {
                IReference reference = null;

                // enumerate pre-defined references.
                // always call first to ensure any pushed-back references are returned first.
                reference = base.Next();

                if (reference != null)
                {
                    return(reference);
                }

                if (m_stage == Stage.Begin)
                {
                    m_stage    = Stage.Tags;
                    m_position = 0;
                }

                // don't start browsing huge number of references when only internal references are requested.
                if (InternalOnly)
                {
                    return(null);
                }

                // enumerate tags.
                if (m_stage == Stage.Tags)
                {
                    if (IsRequired(ReferenceTypeIds.Organizes, false))
                    {
                        reference = NextChild();

                        if (reference != null)
                        {
                            return(reference);
                        }
                    }
                }

                // all done.
                return(null);
            }
        }
Esempio n. 4
0
        /// <summary>
        /// Returns the next child.
        /// </summary>
        private IReference NextChild()
        {
            UnderlyingSystem system = (UnderlyingSystem)this.SystemContext.SystemHandle;

            NodeId targetId = null;

            // check if a specific browse name is requested.
            if (!QualifiedName.IsNull(base.BrowseName))
            {
                // browse name must be qualified by the correct namespace.
                if (m_parent.BrowseName.NamespaceIndex != base.BrowseName.NamespaceIndex)
                {
                    return(null);
                }

                // parse the browse name.
                int index = 0;

                for (int ii = 0; ii < base.BrowseName.Name.Length; ii++)
                {
                    char ch = base.BrowseName.Name[ii];

                    if (!Char.IsDigit(ch))
                    {
                        return(null);
                    }

                    index *= 10;
                    index += Convert.ToInt32(ch - '0');
                }

                // check for valid browse name.
                if (index < 0 || index > m_parent.Register.Size)
                {
                    return(null);
                }

                // return target.
                targetId = ModelUtils.GetRegisterVariableId(m_parent.Register, index, m_parent.NodeId.NamespaceIndex);
            }

            // return the child at the next position.
            else
            {
                // look for next segment.
                if (m_position >= m_parent.Register.Size)
                {
                    return(null);
                }

                // return target.
                targetId = ModelUtils.GetRegisterVariableId(m_parent.Register, m_position, m_parent.NodeId.NamespaceIndex);
                m_position++;
            }

            // create reference.
            if (targetId != null)
            {
                return(new NodeStateReference(ReferenceTypeIds.Organizes, false, targetId));
            }

            return(null);
        }