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Evict pipeliner/driver cache only on DEVICE_REMOVE

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- step toward runtime driver reconfig

Change-Id: I55a9db9a6c2e54a25ca18bec326f4fb33a013d74
This commit is contained in:
Yuta HIGUCHI 2016-08-23 10:37:32 -07:00
parent 8ffb7759d3
commit ad0c990e6c
1 changed files with 9 additions and 11 deletions
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20
core/net/src/main/java/org/onosproject/net/flowobjective/impl/FlowObjectiveManager.java
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@ -269,11 +269,6 @@ public class FlowObjectiveManager implements FlowObjectiveService {
*/
private Pipeliner initPipelineHandler(DeviceId deviceId) {
start = now();
// ?? We never use defaultDriverService, do we still need this check?
if (defaultDriverService == null) {
// We're not ready to go to work yet.
return null;
}
// Attempt to lookup the handler in the cache
DriverHandler handler = driverHandlers.get(deviceId);
@ -323,19 +318,22 @@ public class FlowObjectiveManager implements FlowObjectiveService {
getDevicePipeliner(event.subject().id());
} else {
log.debug("Device is no longer available {}", event.subject().id());
// evict Pipeliner cache.
// User might restart Device to assign new Driver/Pipeliner
// loaded afterwards.
pipeliners.remove(event.subject().id());
}
break;
case DEVICE_UPDATED:
break;
case DEVICE_REMOVED:
case DEVICE_SUSPENDED:
// evict Pipeliner cache.
// evict Pipeliner and Handler cache, when
// the Device was administratively removed.
//
// System expect the user to clear all existing flows,
// before removing device, especially if they intend to
// replace driver/pipeliner assigned to the device.
driverHandlers.remove(event.subject().id());
pipeliners.remove(event.subject().id());
break;
case DEVICE_SUSPENDED:
break;
case PORT_ADDED:
break;
case PORT_UPDATED: