package org.opendaylight.openflowplugin.impl.role;
import com.google.common.base.Preconditions;
-
-import java.util.concurrent.Semaphore;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.JdkFutureAdapters;
+import com.google.common.util.concurrent.ListenableFuture;
+import io.netty.util.HashedWheelTimer;
+import io.netty.util.TimerTask;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
+import javax.annotation.Nonnull;
import javax.annotation.Nullable;
-
-import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
+import org.opendaylight.openflowplugin.api.OFConstants;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
import org.opendaylight.openflowplugin.api.openflow.role.RoleContext;
-import org.opendaylight.openflowplugin.impl.LifecycleConductor;
+import org.opendaylight.openflowplugin.api.openflow.role.RoleManager;
import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
+import org.opendaylight.openflowplugin.impl.util.DeviceStateUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.OfpRole;
import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SalRoleService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.SetRoleOutput;
+import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class RoleContextImpl implements RoleContext {
private static final Logger LOG = LoggerFactory.getLogger(RoleContextImpl.class);
- public static final int TIMEOUT = 12;
-
- private final NodeId nodeId;
- private final EntityOwnershipService entityOwnershipService;
- private volatile EntityOwnershipCandidateRegistration entityOwnershipCandidateRegistration = null;
- private volatile EntityOwnershipCandidateRegistration txEntityOwnershipCandidateRegistration = null;
-
- private final Entity entity;
- private final Entity txEntity;
+ // Maximum limit of timeout retries when cleaning DS, to prevent infinite recursive loops
+ private static final int MAX_CLEAN_DS_RETRIES = 3;
private SalRoleService salRoleService = null;
-
- private final Semaphore roleChangeGuard = new Semaphore(1, true);
-
- public RoleContextImpl(NodeId nodeId, EntityOwnershipService entityOwnershipService, Entity entity, Entity txEntity) {
- this.entityOwnershipService = entityOwnershipService;
- this.entity = entity;
- this.txEntity = txEntity;
- this.nodeId = nodeId;
- }
-
- @Override
- public boolean initialization() {
- LOG.info("Initialization main candidate for node {}", nodeId);
- return registerCandidate(this.entity);
- }
-
- @Override
- public void unregisterAllCandidates() {
- LOG.info("Role context closed, unregistering all candidates for ownership for node {}", nodeId);
- if (isMainCandidateRegistered()) {
- unregisterCandidate(this.entity);
- }
- if (isTxCandidateRegistered()) {
- unregisterCandidate(this.txEntity);
- }
+ private final HashedWheelTimer hashedWheelTimer;
+ private final DeviceInfo deviceInfo;
+ private CONTEXT_STATE state;
+ private final RoleManager myManager;
+
+ RoleContextImpl(final DeviceInfo deviceInfo,
+ final HashedWheelTimer hashedWheelTimer,
+ final RoleManager myManager) {
+ this.deviceInfo = deviceInfo;
+ state = CONTEXT_STATE.WORKING;
+ this.myManager = myManager;
+ this.hashedWheelTimer = hashedWheelTimer;
}
@Nullable
@Override
public <T> RequestContext<T> createRequestContext() {
- final AbstractRequestContext<T> ret = new AbstractRequestContext<T>(LifecycleConductor.getInstance().reserveXidForDeviceMessage(nodeId)) {
+ return new AbstractRequestContext<T>(deviceInfo.reserveXidForDeviceMessage()) {
@Override
public void close() {
}
};
- return ret;
}
@Override
- public void setSalRoleService(final SalRoleService salRoleService) {
+ public void setSalRoleService(@Nonnull final SalRoleService salRoleService) {
Preconditions.checkNotNull(salRoleService);
this.salRoleService = salRoleService;
}
}
@Override
- public Entity getEntity() {
- return this.entity;
+ public CONTEXT_STATE getState() {
+ return this.state;
}
@Override
- public Entity getTxEntity() {
- return this.txEntity;
+ public void setState(CONTEXT_STATE state) {
+ this.state = state;
}
@Override
- public NodeId getNodeId() {
- return nodeId;
+ public ServiceGroupIdentifier getServiceIdentifier() {
+ return this.deviceInfo.getServiceIdentifier();
}
@Override
- public boolean isMainCandidateRegistered() {
- return entityOwnershipCandidateRegistration != null;
+ public DeviceInfo getDeviceInfo() {
+ return this.deviceInfo;
}
- @Override
- public boolean isTxCandidateRegistered() {
- return txEntityOwnershipCandidateRegistration != null;
+ public void startupClusterServices() throws ExecutionException, InterruptedException {
+ //TODO: Add callback ?
+ sendRoleChangeToDevice(OfpRole.BECOMEMASTER).get();
}
@Override
- public boolean registerCandidate(final Entity entity_) {
- boolean permit = false;
+ public ListenableFuture<Void> stopClusterServices() {
+ ListenableFuture<Void> future;
try {
- permit = roleChangeGuard.tryAcquire(TIMEOUT, TimeUnit.SECONDS);
- if(permit) {
- LOG.debug("Register candidate for entity {}", entity_);
- if (entity_.equals(this.entity)) {
- entityOwnershipCandidateRegistration = entityOwnershipService.registerCandidate(entity_);
- } else {
- txEntityOwnershipCandidateRegistration = entityOwnershipService.registerCandidate(entity_);
- }
- } else {
- return false;
- }
- } catch (CandidateAlreadyRegisteredException e) {
- LOG.warn("Candidate for entity {} is already registered.", entity_.getType());
- return false;
- } catch (InterruptedException e) {
- LOG.warn("Cannot acquire semaphore for register entity {} candidate.", entity_.getType());
- return false;
+ //TODO: Add callback
+ sendRoleChangeToDevice(OfpRole.BECOMESLAVE).get();
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.warn("Send role to device failed ", e);
} finally {
- if (permit) {
- roleChangeGuard.release();
- }
+ myManager.removeDeviceFromOperationalDS(deviceInfo, MAX_CLEAN_DS_RETRIES);
+ future = Futures.immediateFuture(null);
}
- return true;
+ return future;
}
- @Override
- public boolean unregisterCandidate(final Entity entity_) {
- boolean permit = false;
- try {
- permit = roleChangeGuard.tryAcquire(TIMEOUT, TimeUnit.SECONDS);
- if(permit) {
- if (entity_.equals(this.entity)) {
- if (entityOwnershipCandidateRegistration != null) {
- LOG.debug("Unregister candidate for entity {}", entity_);
- entityOwnershipCandidateRegistration.close();
- entityOwnershipCandidateRegistration = null;
- }
- } else {
- if (txEntityOwnershipCandidateRegistration != null) {
- LOG.debug("Unregister candidate for tx entity {}", entity_);
- txEntityOwnershipCandidateRegistration.close();
- txEntityOwnershipCandidateRegistration = null;
- }
+ private ListenableFuture<RpcResult<SetRoleOutput>> sendRoleChangeToDevice(final OfpRole newRole) {
+ LOG.debug("Sending new role {} to device {}", newRole, deviceInfo.getNodeId());
+ final Future<RpcResult<SetRoleOutput>> setRoleOutputFuture;
+ final Short version = deviceInfo.getVersion();
+ if (null == version) {
+ LOG.debug("Device version is null");
+ return Futures.immediateFuture(null);
+ }
+ if (version < OFConstants.OFP_VERSION_1_3) {
+ LOG.debug("Device version not support ROLE");
+ return Futures.immediateFuture(null);
+ } else {
+ final SetRoleInput setRoleInput = (new SetRoleInputBuilder()).setControllerRole(newRole)
+ .setNode(new NodeRef(DeviceStateUtil.createNodeInstanceIdentifier(deviceInfo.getNodeId()))).build();
+ setRoleOutputFuture = getSalRoleService().setRole(setRoleInput);
+ final TimerTask timerTask = timeout -> {
+ if (!setRoleOutputFuture.isDone()) {
+ LOG.warn("New role {} was not propagated to device {} during 10 sec", newRole, deviceInfo.getNodeId());
+ setRoleOutputFuture.cancel(true);
}
- } else {
- return false;
- }
- } catch (InterruptedException e) {
- LOG.warn("Cannot acquire semaphore for unregister entity {} candidate.", entity_.getType());
- return false;
- } finally {
- if (permit) {
- roleChangeGuard.release();
- }
+ };
+ hashedWheelTimer.newTimeout(timerTask, 10, TimeUnit.SECONDS);
}
- return true;
+ return JdkFutureAdapters.listenInPoolThread(setRoleOutputFuture);
}
- @Override
- public void close() {
- unregisterAllCandidates();
- }
-
- public boolean isMaster(){
- return (txEntityOwnershipCandidateRegistration != null && entityOwnershipCandidateRegistration != null);
- }
}
Code Review / openflowplugin.git / blobdiff