Scope Space Available Monitor

Microsoft.Windows.DHCPServer.Library.MonitorType.ScopeSpaceAvailable (UnitMonitorType)

The monitor compares the scope free addresses against a threshold

Element properties:

Show References:
- Unit Monitors (2)

RunAs	Microsoft.Windows.DHCPServer.Library.ActionAccount
Accessibility	Internal
Support Monitor Recalculate	False

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	System.Scheduler	Default
Probe	ProbeAction	Microsoft.Windows.DHCPServer.Library.Probe.ScopeMonitor	Default
AvailableMapper	ConditionDetection	System.Performance.DataGenericMapper	Default
ExhaustedMapper	ConditionDetection	System.Performance.DataGenericMapper	Default
LowMapper	ConditionDetection	System.Performance.DataGenericMapper	Default
ScopeAddressesAvailableCheck	ConditionDetection	System.ExpressionFilter	Default
ScopeAddressesExhaustedCheck	ConditionDetection	System.ExpressionFilter	Default
ScopeAddressesLowCheck	ConditionDetection	System.ExpressionFilter	Default

Overrideable Parameters:

ID	ParameterType	Selector	Display Name
IntervalSeconds	string	$Config/IntervalSeconds$	Interval Seconds
SyncTime	string	$Config/SyncTime$	Sync Time
TimeoutSeconds	string	$Config/TimeoutSeconds$	Timeout Seconds
Name	string	$Config/Name$	Name
Threshold	int	$Config/Threshold$	Threshold

Source Code:

<UnitMonitorType ID="Microsoft.Windows.DHCPServer.Library.MonitorType.ScopeSpaceAvailable" Accessibility="Internal" RunAs="Microsoft.Windows.DHCPServer.Library.ActionAccount">

  <MonitorTypeStates>

    <MonitorTypeState ID="ScopeAddressesAvailable" NoDetection="false"/>

    <MonitorTypeState ID="ScopeAddressesLow" NoDetection="false"/>

    <MonitorTypeState ID="ScopeAddressesExhausted" NoDetection="false"/>

  </MonitorTypeStates>

  <Configuration>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="IntervalSeconds" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="SyncTime" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="TimeoutSeconds" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="TargetComputer" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="Name" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="Threshold" type="xsd:integer"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="string"/>

    <OverrideableParameter ID="SyncTime" Selector="$Config/SyncTime$" ParameterType="string"/>

    <OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="string"/>

    <OverrideableParameter ID="Name" Selector="$Config/Name$" ParameterType="string"/>

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

  </OverrideableParameters>

  <MonitorImplementation>

    <MemberModules>

      <DataSource ID="DS" TypeID="System!System.Scheduler">

        <Scheduler>

          <SimpleReccuringSchedule>

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

            <SyncTime>$Config/SyncTime$</SyncTime>

          </SimpleReccuringSchedule>

          <ExcludeDates/>

        </Scheduler>

      </DataSource>

      <ProbeAction ID="Probe" TypeID="Microsoft.Windows.DHCPServer.Library.Probe.ScopeMonitor">

        <TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>

        <TargetComputer>$Config/TargetComputer$</TargetComputer>

      </ProbeAction>

      <ConditionDetection ID="ScopeAddressesAvailableCheck" TypeID="System!System.ExpressionFilter">

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Free']</XPathQuery>

            </ValueExpression>

            <Operator>GreaterEqual</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">$Config/Threshold$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </ConditionDetection>

      <ConditionDetection ID="ScopeAddressesLowCheck" TypeID="System!System.ExpressionFilter">

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Free']</XPathQuery>

                </ValueExpression>

                <Operator>Less</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">$Config/Threshold$</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Free']</XPathQuery>

                </ValueExpression>

                <Operator>Greater</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">0</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Disabled']</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">0</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

      </ConditionDetection>

      <ConditionDetection ID="ScopeAddressesExhaustedCheck" TypeID="System!System.ExpressionFilter">

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Free']</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">0</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="Integer">Property[@Name='$Config/Name$/Disabled']</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">0</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

      </ConditionDetection>

      <ConditionDetection ID="AvailableMapper" TypeID="Performance!System.Performance.DataGenericMapper">

        <ObjectName>DHCP Scope/Superscope</ObjectName>

        <CounterName>State</CounterName>

        <InstanceName>$Config/Name$</InstanceName>

        <Value>0</Value>

      </ConditionDetection>

      <ConditionDetection ID="LowMapper" TypeID="Performance!System.Performance.DataGenericMapper">

        <ObjectName>DHCP Scope/Superscope</ObjectName>

        <CounterName>State</CounterName>

        <InstanceName>$Config/Name$</InstanceName>

        <Value>1</Value>

      </ConditionDetection>

      <ConditionDetection ID="ExhaustedMapper" TypeID="Performance!System.Performance.DataGenericMapper">

        <ObjectName>DHCP Scope/Superscope</ObjectName>

        <CounterName>State</CounterName>

        <InstanceName>$Config/Name$</InstanceName>

        <Value>2</Value>

      </ConditionDetection>

    </MemberModules>

    <RegularDetections>

      <RegularDetection MonitorTypeStateID="ScopeAddressesAvailable">

        <Node ID="AvailableMapper">

          <Node ID="ScopeAddressesAvailableCheck">

            <Node ID="Probe">

              <Node ID="DS"/>

            </Node>

          </Node>

        </Node>

      </RegularDetection>

      <RegularDetection MonitorTypeStateID="ScopeAddressesLow">

        <Node ID="LowMapper">

          <Node ID="ScopeAddressesLowCheck">

            <Node ID="Probe">

              <Node ID="DS"/>

            </Node>

          </Node>

        </Node>

      </RegularDetection>

      <RegularDetection MonitorTypeStateID="ScopeAddressesExhausted">

        <Node ID="ExhaustedMapper">

          <Node ID="ScopeAddressesExhaustedCheck">

            <Node ID="Probe">

              <Node ID="DS"/>

            </Node>

          </Node>

        </Node>

      </RegularDetection>

    </RegularDetections>

  </MonitorImplementation>

</UnitMonitorType>