Largest Free Buffer Provider

System.NetworkManagement.LargestFreeBufferProvider (DataSourceModuleType)

Largest free buffer data source

Element properties:

Type	DataSourceModuleType
Isolation	Any
Accessibility	Public
RunAs	Default
OutputType	System.Performance.Data

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	System.NetworkManagement.ComputedPerfProvider	Default

Overrideable Parameters:

ID	ParameterType	Selector	Display Name	Description
Interval	int	$Config/Interval$	Interval	The number of seconds between performance data requests
NoOfRetries	int	$Config/NoOfRetries$	Number of Retries	The number of times the performance data request will retry if it times out
Timeout	int	$Config/Timeout$	Timeout	The amount of time (in milliseconds) before the performance data request times out

Source Code:

<DataSourceModuleType ID="System.NetworkManagement.LargestFreeBufferProvider" Accessibility="Public" Batching="false">

  <Configuration>

    <IncludeSchemaTypes>

      <SchemaType>System!System.ParamListSchema</SchemaType>

    </IncludeSchemaTypes>

    <xsd:element minOccurs="1" name="Interval" type="xsd:integer"/>

    <xsd:element minOccurs="0" maxOccurs="1" default="3" name="NoOfRetries" type="xsd:unsignedInt"/>

    <xsd:element minOccurs="0" maxOccurs="1" default="1500" name="Timeout" type="xsd:unsignedInt"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="LargestFreeBufferOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="FreeMemoryOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="ValidMemoryOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="ValidMemoryRegEx" type="xsd:string"/>

    <xsd:element minOccurs="1" name="ObjectName" type="xsd:string"/>

    <xsd:element minOccurs="1" name="CounterName" type="xsd:string"/>

    <xsd:element name="OutputOnError" type="xsd:string" minOccurs="0" maxOccurs="1" default="false"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="Interval" Selector="$Config/Interval$" ParameterType="int"/>

    <OverrideableParameter ID="NoOfRetries" Selector="$Config/NoOfRetries$" ParameterType="int"/>

    <OverrideableParameter ID="Timeout" Selector="$Config/Timeout$" ParameterType="int"/>

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <DataSource ID="DS" TypeID="System.NetworkManagement.ComputedPerfProvider">

          <Interval>$Config/Interval$</Interval>

          <NoOfRetries>$Config/NoOfRetries$</NoOfRetries>

          <Timeout>$Config/Timeout$</Timeout>

          <SnmpVarBinds>

            <SnmpVarBind>

              <OID>$Config/LargestFreeBufferOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

            <SnmpVarBind>

              <OID>$Config/FreeMemoryOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

            <SnmpVarBind>

              <OID>$Config/ValidMemoryOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

          </SnmpVarBinds>

          <ComputedPerformanceValue>

            <BranchValueExpression>

              <Expression>

                <And>

                  <Expression>

                    <RegExExpression>

                      <ValueExpression>

                        <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/ValidMemoryOID$"]/Value</XPathQuery>

                      </ValueExpression>

                      <Operator>MatchesRegularExpression</Operator>

                      <Pattern>$Config/ValidMemoryRegEx$</Pattern>

                    </RegExExpression>

                  </Expression>

                  <Expression>

                    <SimpleExpression>

                      <ValueExpression>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/LargestFreeBufferOID$"]/Value</XPathQuery>

                        </NumericValue>

                      </ValueExpression>

                      <Operator>Greater</Operator>

                      <ValueExpression>

                        <NumericValue>

                          <Value>0.0</Value>

                        </NumericValue>

                      </ValueExpression>

                    </SimpleExpression>

                  </Expression>

                  <Expression>

                    <SimpleExpression>

                      <ValueExpression>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/FreeMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                      </ValueExpression>

                      <Operator>Greater</Operator>

                      <ValueExpression>

                        <NumericValue>

                          <Value>0.0</Value>

                        </NumericValue>

                      </ValueExpression>

                    </SimpleExpression>

                  </Expression>

                </And>

              </Expression>

              <TrueValueExpression>

                <NumericValue>

                  <Division>

                    <NumericValue>

                      <Product>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/LargestFreeBufferOID$"]/Value</XPathQuery>

                        </NumericValue>

                        <NumericValue>

                          <Value Type="Double">100.0</Value>

                        </NumericValue>

                      </Product>

                    </NumericValue>

                    <NumericValue>

                      <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/FreeMemoryOID$"]/Value</XPathQuery>

                    </NumericValue>

                  </Division>

                </NumericValue>

              </TrueValueExpression>

              <FalseValueExpression>

                <NumericValue>

                  <Value Type="Double">100.0</Value>

                </NumericValue>

              </FalseValueExpression>

            </BranchValueExpression>

          </ComputedPerformanceValue>

          <ObjectName>$Config/ObjectName$</ObjectName>

          <CounterName>$Config/CounterName$</CounterName>

          <OutputOnError>$Config/OutputOnError$</OutputOnError>

        </DataSource>

      </MemberModules>

      <Composition>

        <Node ID="DS"/>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>Performance!System.Performance.Data</OutputType>

</DataSourceModuleType>