org.onosproject.net.statistic

Interface StatisticService

public interface StatisticService

Service for obtaining statistic information about link in the system. Statistics are obtained from the FlowRuleService in order to minimize the amount of hammering occurring at the dataplane.

Method Summary

Modifier and Type	Method and Description
FlowRule	highestHitter(ConnectPoint connectPoint) Returns the highest hitter (a flow rule) for a given port, ie.
Load	load(ConnectPoint connectPoint) Obtain the load for the given port.
Load	load(Link link) Obtain the load for a the ingress to the given link.
Load	load(Link link, ApplicationId appId, Optional<GroupId> groupId) Obtain the load for a the ingress to the given link used by the specified application ID and group ID.
Link	max(Path path) Find the most loaded link along a path.
Link	min(Path path) Find the least loaded link along a path.

Method Detail

load

Load load(Link link)

Obtain the load for a the ingress to the given link.

Parameters:

link - the link to query.

Returns:

a Load

load

Load load(ConnectPoint connectPoint)

Obtain the load for the given port.

Parameters:

connectPoint - the port to query

Returns:

a Load

max

Link max(Path path)

Find the most loaded link along a path.

Parameters:

path - the path to search in

Returns:

the most loaded Link.

min

Link min(Path path)

Find the least loaded link along a path.

Parameters:

path - the path to search in

Returns:

the least loaded Link.

highestHitter

FlowRule highestHitter(ConnectPoint connectPoint)

Returns the highest hitter (a flow rule) for a given port, ie. the flow rule which is generating the most load.

Parameters:

connectPoint - the port

Returns:

the flow rule

load

Load load(Link link,
          ApplicationId appId,
          Optional<GroupId> groupId)

Obtain the load for a the ingress to the given link used by the specified application ID and group ID.

Parameters:

link - link to query

appId - application ID to filter with

groupId - group ID to filter with

Returns:

Load