org.onosproject.net.device

Interface DeviceHandshaker

All Superinterfaces:

Behaviour, DeviceConnect, HandlerBehaviour

@Beta
public interface DeviceHandshaker
extends DeviceConnect

Behavior to test device's reachability and change the mastership role on that device.

Method Summary

Modifier and Type	Method and Description
java.util.concurrent.CompletableFuture<java.lang.Boolean>	isReachable() Checks the reachability (connectivity) of a device.
java.util.concurrent.CompletableFuture<MastershipRole>	roleChanged(MastershipRole newRole) Applies on the device a mastership role change as decided by the core.

Methods inherited from interface org.onosproject.net.driver.DeviceConnect

connect, disconnect

Methods inherited from interface org.onosproject.net.driver.HandlerBehaviour

handler, setHandler

Methods inherited from interface org.onosproject.net.driver.Behaviour

data, setData

Method Detail

isReachable

java.util.concurrent.CompletableFuture<java.lang.Boolean> isReachable()

Checks the reachability (connectivity) of a device. Reachability, unlike availability, denotes whether THIS particular node can send messages and receive replies from the specified device.

Returns:

CompletableFuture eventually true if reachable, false otherwise

roleChanged

java.util.concurrent.CompletableFuture<MastershipRole> roleChanged(MastershipRole newRole)

Applies on the device a mastership role change as decided by the core.

Parameters:

newRole - newly determined mastership role

Returns:

CompletableFuture with the mastership role accepted from the device