*/
package org.opendaylight.openflowplugin.impl.role;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
-import com.google.common.base.Throwables;
import com.google.common.base.Verify;
import com.google.common.collect.Iterators;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
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.Timeout;
+import io.netty.util.TimerTask;
+
+import java.util.ArrayList;
import java.util.Iterator;
-import java.util.Map.Entry;
+import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.Semaphore;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
+
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
-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.EntityOwnershipChange;
import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListenerRegistration;
import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.openflowplugin.api.OFConstants;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
-import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
-import org.opendaylight.openflowplugin.api.openflow.role.RoleChangeListener;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.RoleChangeListener;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.ServiceChangeListener;
import org.opendaylight.openflowplugin.api.openflow.role.RoleContext;
import org.opendaylight.openflowplugin.api.openflow.role.RoleManager;
+import org.opendaylight.openflowplugin.impl.services.SalRoleServiceImpl;
+import org.opendaylight.openflowplugin.impl.util.DeviceStateUtil;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
+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.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;
/**
* Gets invoked from RpcManagerInitial, registers a candidate with EntityOwnershipService.
- * On receipt of the ownership notification, makes an rpc call to SalRoleSevice.
+ * On receipt of the ownership notification, makes an rpc call to SalRoleService.
*
* Hands over to StatisticsManager at the end.
*/
-public class RoleManagerImpl implements RoleManager, EntityOwnershipListener {
+public class RoleManagerImpl implements RoleManager, EntityOwnershipListener, ServiceChangeListener {
private static final Logger LOG = LoggerFactory.getLogger(RoleManagerImpl.class);
private DeviceInitializationPhaseHandler deviceInitializationPhaseHandler;
private DeviceTerminationPhaseHandler deviceTerminationPhaseHandler;
private final DataBroker dataBroker;
private final EntityOwnershipService entityOwnershipService;
- private final ConcurrentMap<Entity, RoleContext> contexts = new ConcurrentHashMap<>();
- private final ConcurrentMap<Entity, RoleContext> txContexts = new ConcurrentHashMap<>();
+ private final ConcurrentMap<NodeId, RoleContext> contexts = new ConcurrentHashMap<>();
+ private final ConcurrentMap<Entity, RoleContext> watchingEntities = new ConcurrentHashMap<>();
private final EntityOwnershipListenerRegistration entityOwnershipListenerRegistration;
private final EntityOwnershipListenerRegistration txEntityOwnershipListenerRegistration;
+ private List<RoleChangeListener> listeners = new ArrayList<>();
+
+ private final LifecycleConductor conductor;
- public RoleManagerImpl(final EntityOwnershipService entityOwnershipService, final DataBroker dataBroker) {
+ public RoleManagerImpl(final EntityOwnershipService entityOwnershipService, final DataBroker dataBroker, final LifecycleConductor lifecycleConductor) {
this.entityOwnershipService = Preconditions.checkNotNull(entityOwnershipService);
this.dataBroker = Preconditions.checkNotNull(dataBroker);
this.entityOwnershipListenerRegistration = Preconditions.checkNotNull(entityOwnershipService.registerListener(RoleManager.ENTITY_TYPE, this));
this.txEntityOwnershipListenerRegistration = Preconditions.checkNotNull(entityOwnershipService.registerListener(TX_ENTITY_TYPE, this));
+ this.conductor = lifecycleConductor;
LOG.debug("Register OpenflowOwnershipListener to all entity ownership changes");
}
}
@Override
- public void onDeviceContextLevelUp(@CheckForNull final DeviceContext deviceContext) throws Exception {
- LOG.trace("Role manager called for device:{}", deviceContext.getPrimaryConnectionContext().getNodeId());
- final RoleContext roleContext = new RoleContextImpl(deviceContext, entityOwnershipService,
- makeEntity(deviceContext.getDeviceState().getNodeId()),
- makeTxEntity(deviceContext.getDeviceState().getNodeId()));
-
- Verify.verify(contexts.putIfAbsent(roleContext.getEntity(), roleContext) == null, "Role context for master Node {} is still not closed.", deviceContext.getDeviceState().getNodeId());
- Verify.verify(!txContexts.containsKey(roleContext.getTxEntity()),
- "Role context for master Node {} is still not closed. TxEntity was not unregistered yet.", deviceContext.getDeviceState().getNodeId());
-
- // if the device context gets closed (mostly on connection close), we would need to cleanup
- deviceContext.addDeviceContextClosedHandler(this);
- roleContext.initialization();
- deviceInitializationPhaseHandler.onDeviceContextLevelUp(deviceContext);
+ public void onDeviceContextLevelUp(@CheckForNull final NodeId nodeId) throws Exception {
+ final DeviceContext deviceContext = Preconditions.checkNotNull(conductor.getDeviceContext(nodeId));
+ final RoleContext roleContext = new RoleContextImpl(nodeId, entityOwnershipService, makeEntity(nodeId), makeTxEntity(nodeId), conductor);
+ roleContext.setSalRoleService(new SalRoleServiceImpl(roleContext, deviceContext));
+ Verify.verify(contexts.putIfAbsent(nodeId, roleContext) == null, "Role context for master Node %s is still not closed.", nodeId);
+ makeDeviceRoleChange(OfpRole.BECOMESLAVE, roleContext, true);
+ notifyListenersRoleInitializationDone(roleContext.getNodeId(), roleContext.initialization());
+ watchingEntities.put(roleContext.getEntity(), roleContext);
+ deviceInitializationPhaseHandler.onDeviceContextLevelUp(nodeId);
}
@Override
public void close() {
+ LOG.debug("Close method on role manager was called.");
entityOwnershipListenerRegistration.close();
txEntityOwnershipListenerRegistration.close();
- for (final Iterator<Entry<Entity, RoleContext>> iterator = Iterators.consumingIterator(contexts.entrySet()
- .iterator()); iterator.hasNext();) {
+ for (final Iterator<RoleContext> iterator = Iterators.consumingIterator(contexts.values().iterator()); iterator.hasNext();) {
// got here because last known role is LEADER and DS might need clearing up
- final Entry<Entity, RoleContext> entry = iterator.next();
- final RoleContext roleCtx = entry.getValue();
- final NodeId nodeId = roleCtx.getDeviceState().getNodeId();
- if (OfpRole.BECOMEMASTER.equals(roleCtx.getDeviceState().getRole())) {
- LOG.trace("Last role is LEADER and ownershipService returned hasOwner=false for node: {}; "
- + "cleaning DS as being probably the last owner", nodeId);
- removeDeviceFromOperDS(roleCtx);
+ final RoleContext roleContext = iterator.next();
+ watchingEntities.remove(roleContext.getEntity());
+ watchingEntities.remove(roleContext.getTxEntity());
+ contexts.remove(roleContext.getNodeId());
+ if (roleContext.isTxCandidateRegistered()) {
+ LOG.info("Node {} was holder txEntity, so trying to remove device from operational DS.");
+ removeDeviceFromOperationalDS(roleContext.getNodeId());
} else {
- // NOOP - there is another owner
- LOG.debug("Last role is LEADER and ownershipService returned hasOwner=true for node: {}; "
- + "leaving DS untouched", nodeId);
+ roleContext.close();
}
- roleCtx.suspendTxCandidate();
- txContexts.remove(roleCtx.getTxEntity(), roleCtx);
- roleCtx.close();
}
}
@Override
public void onDeviceContextLevelDown(final DeviceContext deviceContext) {
- final NodeId nodeId = deviceContext.getDeviceState().getNodeId();
- LOG.trace("onDeviceContextClosed for node {}", nodeId);
- final Entity entity = makeEntity(nodeId);
- final RoleContext roleContext = contexts.get(entity);
+ final NodeId nodeId = deviceContext.getPrimaryConnectionContext().getNodeId();
+ LOG.trace("onDeviceContextLevelDown for node {}", nodeId);
+ final RoleContext roleContext = contexts.get(nodeId);
if (roleContext != null) {
- LOG.debug("Found roleContext associated to deviceContext: {}, now closing the roleContext", nodeId);
- final Optional<EntityOwnershipState> actState = entityOwnershipService.getOwnershipState(entity);
- if (actState.isPresent()) {
- if (actState.get().isOwner()) {
- if (!txContexts.containsKey(roleContext.getTxEntity())) {
- try {
- txContexts.putIfAbsent(roleContext.getTxEntity(), roleContext);
- roleContext.setupTxCandidate();
- // we'd like to wait for registration response
- return;
- } catch (final CandidateAlreadyRegisteredException e) {
- // NOOP
- }
- }
- } else {
- LOG.debug("No DS commitment for device {} - LEADER is somewhere else", nodeId);
- contexts.remove(entity, roleContext);
- // TODO : is there a chance to have TxEntity ?
- }
+ LOG.debug("Found roleContext associated to deviceContext: {}, now trying close the roleContext", nodeId);
+ if (roleContext.isMainCandidateRegistered()) {
+ roleContext.unregisterCandidate(roleContext.getEntity());
} else {
- LOG.warn("EntityOwnershipService doesn't return state for entity: {} in close process", entity);
+ contexts.remove(nodeId, roleContext);
+ roleContext.close();
}
- roleContext.close();
}
+ deviceTerminationPhaseHandler.onDeviceContextLevelDown(deviceContext);
}
- private static Entity makeEntity(final NodeId nodeId) {
+ @VisibleForTesting
+ static Entity makeEntity(final NodeId nodeId) {
return new Entity(RoleManager.ENTITY_TYPE, nodeId.getValue());
}
- private static Entity makeTxEntity(final NodeId nodeId) {
+ @VisibleForTesting
+ static Entity makeTxEntity(final NodeId nodeId) {
return new Entity(RoleManager.TX_ENTITY_TYPE, nodeId.getValue());
}
@Override
public void ownershipChanged(final EntityOwnershipChange ownershipChange) {
+
Preconditions.checkArgument(ownershipChange != null);
- RoleContext roleContext = null;
- try {
- roleContext = contexts.get(ownershipChange.getEntity());
- if (roleContext != null) {
- changeForEntity(ownershipChange, roleContext);
- return;
- }
+ final RoleContext roleContext = watchingEntities.get(ownershipChange.getEntity());
- roleContext = txContexts.get(ownershipChange.getEntity());
- if (roleContext != null) {
- changeForTxEntity(ownershipChange, roleContext);
- return;
- }
- } catch (final Exception e) {
- LOG.warn("fail to acquire semaphore: {}", ownershipChange.getEntity(), e);
- if (roleContext != null) {
- roleContext.getDeviceContext().close();
+ LOG.debug("Received EOS message: wasOwner:{} isOwner:{} hasOwner:{} for entity type {} and node {}",
+ ownershipChange.wasOwner(), ownershipChange.isOwner(), ownershipChange.hasOwner(),
+ ownershipChange.getEntity().getType(),
+ roleContext != null ? roleContext.getNodeId() : "-> no watching entity, disregarding notification <-");
+
+ if (roleContext != null) {
+ if (ownershipChange.getEntity().equals(roleContext.getEntity())) {
+ changeOwnershipForMainEntity(ownershipChange, roleContext);
+ } else {
+ changeOwnershipForTxEntity(ownershipChange, roleContext);
}
+ } else {
+ LOG.debug("OwnershipChange {}", ownershipChange);
}
- LOG.debug("We are not able to find Entity {} ownershipChange {} - disregarding ownership notification",
- ownershipChange.getEntity(), ownershipChange);
}
- private void changeForTxEntity(final EntityOwnershipChange ownershipChange, @Nonnull final RoleContext roleContext)
- throws InterruptedException {
- LOG.info("Received TX-EntityOwnershipChange:{}", ownershipChange);
- final Semaphore txCandidateGuard = roleContext.getTxCandidateGuard();
- LOG.trace("txCandidate lock queue: " + txCandidateGuard.getQueueLength());
- txCandidateGuard.acquire();
+ @VisibleForTesting
+ void changeOwnershipForMainEntity(final EntityOwnershipChange ownershipChange, final RoleContext roleContext) {
- ListenableFuture<Void> processingClosure;
- final DeviceContext deviceContext = roleContext.getDeviceContext();
- final NodeId nodeId = roleContext.getDeviceState().getNodeId();
-
- if (!ownershipChange.wasOwner() && ownershipChange.isOwner()) {
- // SLAVE -> MASTER - acquired transition lock
- LOG.debug("Acquired tx-lock for entity {}", ownershipChange.getEntity());
-
- // activate txChainManager, activate rpcs
- if (roleContext.getDeviceState().isValid()) {
- processingClosure = roleContext.onRoleChanged(OfpRole.BECOMESLAVE, OfpRole.BECOMEMASTER);
+ if (roleContext.isMainCandidateRegistered()) {
+ LOG.debug("Main-EntityOwnershipRegistration is active for entity type {} and node {}",
+ ownershipChange.getEntity().getType(), roleContext.getNodeId());
+ if (!ownershipChange.wasOwner() && ownershipChange.isOwner()) {
+ // SLAVE -> MASTER
+ LOG.debug("SLAVE to MASTER for node {}", roleContext.getNodeId());
+ if (roleContext.registerCandidate(roleContext.getTxEntity())) {
+ LOG.debug("Starting watching tx entity for node {}", roleContext.getNodeId());
+ watchingEntities.putIfAbsent(roleContext.getTxEntity(), roleContext);
+ }
+ } else if (ownershipChange.wasOwner() && !ownershipChange.isOwner()) {
+ // MASTER -> SLAVE
+ LOG.debug("MASTER to SLAVE for node {}", roleContext.getNodeId());
+ conductor.addOneTimeListenerWhenServicesChangesDone(this, roleContext.getNodeId());
+ makeDeviceRoleChange(OfpRole.BECOMESLAVE, roleContext, false);
+ }
+ } else {
+ LOG.debug("Main-EntityOwnershipRegistration is not active for entity type {} and node {}",
+ ownershipChange.getEntity(), roleContext.getNodeId());
+ watchingEntities.remove(ownershipChange.getEntity(), roleContext);
+ if (roleContext.isTxCandidateRegistered()) {
+ LOG.debug("tx candidate still registered for node {}, probably connection lost, trying to unregister tx candidate", roleContext.getNodeId());
+ roleContext.unregisterCandidate(roleContext.getTxEntity());
+ if (ownershipChange.wasOwner() && !ownershipChange.isOwner() && !ownershipChange.hasOwner()) {
+ LOG.debug("Trying to remove from operational node: {}", roleContext.getNodeId());
+ removeDeviceFromOperationalDS(roleContext.getNodeId());
+ }
} else {
- // We are not able to send anything to device, but we need to handle closing state clearly
+ final NodeId nodeId = roleContext.getNodeId();
+ contexts.remove(nodeId, roleContext);
roleContext.close();
- processingClosure = Futures.immediateFuture(null);
+ conductor.closeConnection(nodeId);
}
- // activate stats - accomplished automatically by changing role in deviceState
- processingClosure = Futures.transform(processingClosure, new Function<Void, Void>() {
- @Nullable
- @Override
- public Void apply(@Nullable final Void aVoid) {
- deviceContext.getDeviceState().setRole(OfpRole.BECOMEMASTER);
- return null;
- }
- });
- } else if (ownershipChange.wasOwner() && !ownershipChange.isOwner()) {
- // MASTER -> SLAVE - released tx-lock
- LOG.debug("Released tx-lock for entity {}", ownershipChange.getEntity());
- txContexts.remove(roleContext.getTxEntity(), roleContext);
- processingClosure = Futures.immediateFuture(null);
- } else {
- LOG.debug("NOOP state transition for TxEntity {} ", roleContext.getTxEntity());
- processingClosure = Futures.immediateFuture(null);
}
+ }
- // handle result of executed steps
- Futures.addCallback(processingClosure, new FutureCallback<Void>()
-
- {
- @Override
- public void onSuccess(@Nullable final Void aVoid) {
- // propagating role must be BECOMEMASTER in order to run this processing
- // removing it will disable redundant processing of BECOMEMASTER
- txCandidateGuard.release();
- }
+ @VisibleForTesting
+ void changeOwnershipForTxEntity(final EntityOwnershipChange ownershipChange,
+ @Nonnull final RoleContext roleContext) {
- @Override
- public void onFailure(final Throwable throwable) {
- LOG.warn("Unexpected error for Node {} -> terminating device context", nodeId, throwable);
- txCandidateGuard.release();
- deviceContext.close();
- }
+ if (roleContext.isTxCandidateRegistered()) {
+ LOG.debug("Tx-EntityOwnershipRegistration is active for entity type {} and node {}",
+ ownershipChange.getEntity().getType(),
+ roleContext.getNodeId());
+ if (!ownershipChange.wasOwner() && ownershipChange.isOwner()) {
+ // SLAVE -> MASTER
+ LOG.debug("SLAVE to MASTER for node {}", roleContext.getNodeId());
+ makeDeviceRoleChange(OfpRole.BECOMEMASTER, roleContext,false);
+ } else if (ownershipChange.wasOwner() && !ownershipChange.isOwner()) {
+ // MASTER -> SLAVE
+ LOG.debug("MASTER to SLAVE for node {}", roleContext.getNodeId());
+ LOG.warn("Tx-EntityOwnershipRegistration lost leadership entity type {} and node {}",
+ ownershipChange.getEntity().getType(),roleContext.getNodeId());
+ watchingEntities.remove(roleContext.getTxEntity(), roleContext);
+ watchingEntities.remove(roleContext.getEntity(), roleContext);
+ roleContext.unregisterCandidate(roleContext.getEntity());
+ roleContext.unregisterCandidate(roleContext.getTxEntity());
+ if (!ownershipChange.hasOwner()) {
+ LOG.debug("Trying to remove from operational node: {}", roleContext.getNodeId());
+ removeDeviceFromOperationalDS(roleContext.getNodeId());
+ } else {
+ final NodeId nodeId = roleContext.getNodeId();
+ contexts.remove(nodeId, roleContext);
+ roleContext.close();
+ conductor.closeConnection(nodeId);
}
-
- );
+ }
+ } else {
+ LOG.debug("Tx-EntityOwnershipRegistration is not active for entity {}", ownershipChange.getEntity().getType());
+ watchingEntities.remove(roleContext.getTxEntity(), roleContext);
+ final NodeId nodeId = roleContext.getNodeId();
+ contexts.remove(nodeId, roleContext);
+ roleContext.close();
+ conductor.closeConnection(nodeId);
+ }
}
- private static Function<Void, Void> makeTxEntitySuspendCallback(final RoleContext roleChangeListener) {
- return new Function<Void, Void>() {
+ @VisibleForTesting
+ void makeDeviceRoleChange(final OfpRole role, final RoleContext roleContext, final Boolean init) {
+ final ListenableFuture<RpcResult<SetRoleOutput>> roleChangeFuture = sendRoleChangeToDevice(role, roleContext);
+ Futures.addCallback(roleChangeFuture, new FutureCallback<RpcResult<SetRoleOutput>>() {
@Override
- public Void apply(final Void result) {
- roleChangeListener.suspendTxCandidate();
- return null;
+ public void onSuccess(@Nullable final RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+ LOG.info("Role {} successfully set on device {}", role, roleContext.getNodeId());
+ notifyListenersRoleChangeOnDevice(roleContext.getNodeId(), true, role, init);
}
- };
- }
- private Function<Void, Void> makeTxEntitySetupCallback(final RoleContext roleContext) {
- return new Function<Void, Void>() {
@Override
- public Void apply(final Void result) {
- final NodeId nodeId = roleContext.getDeviceState().getNodeId();
- try {
- LOG.debug("Node {} is marked as LEADER", nodeId);
- Verify.verify(txContexts.putIfAbsent(roleContext.getTxEntity(), roleContext) == null,
- "RoleCtx for TxEntity {} master Node {} is still not closed.", roleContext.getTxEntity(), nodeId);
- // try to register tx-candidate via ownership service
- roleContext.setupTxCandidate();
- } catch (final CandidateAlreadyRegisteredException e) {
- LOG.warn("txCandidate registration failed {}", roleContext.getDeviceState().getNodeId(), e);
- // --- CLEAN UP ---
- // withdraw context from map in order to have it as before
- txContexts.remove(roleContext.getTxEntity(), roleContext);
- // no more propagating any role - there is no txCandidate lock approaching
- Throwables.propagate(e);
- }
- return null;
+ public void onFailure(@Nonnull final Throwable throwable) {
+ LOG.warn("Unable to set role {} on device {}", role, roleContext.getNodeId());
+ notifyListenersRoleChangeOnDevice(roleContext.getNodeId(), false, role, init);
}
- };
+ });
}
- private void changeForEntity(final EntityOwnershipChange ownershipChange, @Nonnull final RoleContext roleContext) throws InterruptedException {
- final Semaphore mainCandidateGuard = roleContext.getMainCandidateGuard();
- LOG.trace("mainCandidate lock queue: " + mainCandidateGuard.getQueueLength());
- mainCandidateGuard.acquire();
- LOG.info("Received EntityOwnershipChange:{}", ownershipChange);
- if (roleContext.getDeviceState().isValid()) {
- LOG.debug("RoleChange for entity {}", ownershipChange.getEntity());
- final OfpRole newRole = ownershipChange.isOwner() ? OfpRole.BECOMEMASTER : OfpRole.BECOMESLAVE;
- final OfpRole oldRole = ownershipChange.wasOwner() ? OfpRole.BECOMEMASTER : OfpRole.BECOMESLAVE;
-
- // propagation start point
- ListenableFuture<Void> rolePropagationFx = Futures.immediateFuture(null);
- final Function<Void, Void> txProcessCallback;
-
- if (ownershipChange.wasOwner() && !ownershipChange.isOwner() && ownershipChange.hasOwner()) {
- // MASTER -> SLAVE
- rolePropagationFx = roleContext.onRoleChanged(oldRole, newRole);
- txProcessCallback = makeTxEntitySuspendCallback(roleContext);
- } else if (!ownershipChange.wasOwner() && ownershipChange.isOwner() && ownershipChange.hasOwner()) {
- // SLAVE -> MASTER
- txProcessCallback = makeTxEntitySetupCallback(roleContext);
- } else {
- LOG.debug("Main candidate role change case not covered: {} -> {} .. NOOP", oldRole, newRole);
- txProcessCallback = null;
- }
-
- if (txProcessCallback != null) {
- rolePropagationFx = Futures.transform(rolePropagationFx, txProcessCallback);
- }
-
- // catching result
- Futures.addCallback(rolePropagationFx, new FutureCallback<Void>() {
- @Override
- public void onSuccess(@Nullable final Void aVoid) {
- LOG.debug("Role of main candidate successfully propagated: {}, {} -> {}",
- ownershipChange.getEntity(), oldRole, newRole);
- mainCandidateGuard.release();
- }
+ private ListenableFuture<RpcResult<SetRoleOutput>> sendRoleChangeToDevice(final OfpRole newRole, final RoleContext roleContext) {
+ LOG.debug("Sending new role {} to device {}", newRole, roleContext.getNodeId());
+ final Future<RpcResult<SetRoleOutput>> setRoleOutputFuture;
+ final Short version = conductor.gainVersionSafely(roleContext.getNodeId());
+ 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(roleContext.getNodeId()))).build();
+ setRoleOutputFuture = roleContext.getSalRoleService().setRole(setRoleInput);
+ final TimerTask timerTask = new TimerTask() {
@Override
- public void onFailure(final Throwable throwable) {
- LOG.warn("Main candidate role propagation FAILED for entity: {}, {} -> {}",
- ownershipChange.getEntity(), oldRole, newRole, throwable);
- mainCandidateGuard.release();
- roleContext.getDeviceContext().close();
+ public void run(final Timeout timeout) throws Exception {
+ if (!setRoleOutputFuture.isDone()) {
+ LOG.warn("New role {} was not propagated to device {} during 10 sec", newRole, roleContext.getNodeId());
+ setRoleOutputFuture.cancel(true);
+ }
}
- });
-
- } else {
- LOG.debug("We are closing connection for entity {}", ownershipChange.getEntity());
- mainCandidateGuard.release();
- // expecting that this roleContext will get closed in a moment
- // FIXME: reconsider location of following cleanup logic
- if (!ownershipChange.hasOwner() && !ownershipChange.isOwner() && ownershipChange.wasOwner()) {
- unregistrationHelper(ownershipChange, roleContext);
- } else if (ownershipChange.hasOwner() && !ownershipChange.isOwner() && ownershipChange.wasOwner()) {
- contexts.remove(ownershipChange.getEntity(), roleContext);
- roleContext.suspendTxCandidate();
- } else {
- LOG.info("Unexpected role change msg {} for entity {}", ownershipChange, ownershipChange.getEntity());
- }
+ };
+ conductor.newTimeout(timerTask, 10, TimeUnit.SECONDS);
}
+ return JdkFutureAdapters.listenInPoolThread(setRoleOutputFuture);
}
- private CheckedFuture<Void, TransactionCommitFailedException> removeDeviceFromOperDS(
- final RoleChangeListener roleChangeListener) {
- Preconditions.checkArgument(roleChangeListener != null);
- final DeviceState deviceState = roleChangeListener.getDeviceState();
+ @VisibleForTesting
+ CheckedFuture<Void, TransactionCommitFailedException> removeDeviceFromOperationalDS(final NodeId nodeId) {
+
final WriteTransaction delWtx = dataBroker.newWriteOnlyTransaction();
- delWtx.delete(LogicalDatastoreType.OPERATIONAL, deviceState.getNodeInstanceIdentifier());
+ delWtx.delete(LogicalDatastoreType.OPERATIONAL, DeviceStateUtil.createNodeInstanceIdentifier(nodeId));
final CheckedFuture<Void, TransactionCommitFailedException> delFuture = delWtx.submit();
Futures.addCallback(delFuture, new FutureCallback<Void>() {
@Override
public void onSuccess(final Void result) {
- LOG.debug("Delete Node {} was successful", deviceState.getNodeId());
+ LOG.debug("Delete Node {} was successful", nodeId);
+ final RoleContext roleContext = contexts.remove(nodeId);
+ if (roleContext != null) {
+ roleContext.close();
+ }
}
@Override
- public void onFailure(final Throwable t) {
- LOG.warn("Delete Node {} failed.", deviceState.getNodeId(), t);
+ public void onFailure(@Nonnull final Throwable t) {
+ LOG.warn("Delete Node {} failed. {}", nodeId, t);
+ contexts.remove(nodeId);
+ final RoleContext roleContext = contexts.remove(nodeId);
+ if (roleContext != null) {
+ roleContext.close();
+ }
}
});
return delFuture;
}
+ @Override
+ public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
+ deviceTerminationPhaseHandler = handler;
+ }
- private void unregistrationHelper(final EntityOwnershipChange ownershipChange, final RoleContext roleContext) {
- LOG.info("Initiate removal from operational. Possibly the last node to be disconnected for :{}. ", ownershipChange);
- Futures.addCallback(removeDeviceFromOperDS(roleContext), new FutureCallback<Void>() {
- @Override
- public void onSuccess(@Nullable final Void aVoid) {
- LOG.debug("Removing context for device: {}", roleContext.getDeviceState().getNodeId());
- contexts.remove(ownershipChange.getEntity(), roleContext);
- roleContext.suspendTxCandidate();
- }
+ @Override
+ public void servicesChangeDone(final NodeId nodeId, final boolean success) {
+ LOG.debug("Services stopping done for node {} as " + (success ? "successful" : "unsuccessful"), nodeId);
+ final RoleContext roleContext = contexts.get(nodeId);
+ if (null != roleContext) {
+ /* Services stopped or failure */
+ roleContext.unregisterCandidate(roleContext.getTxEntity());
+ }
+ }
- @Override
- public void onFailure(final Throwable throwable) {
- LOG.warn("Removing role context for device: {}, but {}", roleContext.getDeviceState()
- .getNodeId(), throwable.getMessage());
- contexts.remove(ownershipChange.getEntity(), roleContext);
- roleContext.suspendTxCandidate();
- }
- });
+ @VisibleForTesting
+ RoleContext getRoleContext(final NodeId nodeId){
+ return contexts.get(nodeId);
}
@Override
- public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
- deviceTerminationPhaseHandler = handler;
+ public void addRoleChangeListener(final RoleChangeListener roleChangeListener) {
+ this.listeners.add(roleChangeListener);
+ }
+
+ /**
+ * Invoked when initialization phase is done
+ * @param nodeId node identification
+ * @param success true if initialization done ok, false otherwise
+ */
+ @VisibleForTesting
+ void notifyListenersRoleInitializationDone(final NodeId nodeId, final boolean success){
+ LOG.debug("Notifying registered listeners for role initialization done, no. of listeners {}", listeners.size());
+ for (final RoleChangeListener listener : listeners) {
+ listener.roleInitializationDone(nodeId, success);
+ }
}
+
+ /**
+ * Notifies registered listener on role change. Role is the new role on device
+ * If initialization phase is true, we may skip service starting
+ * @param success true if role change on device done ok, false otherwise
+ * @param role new role meant to be set on device
+ * @param initializationPhase if true, then skipp services start
+ */
+ @VisibleForTesting
+ void notifyListenersRoleChangeOnDevice(final NodeId nodeId, final boolean success, final OfpRole role, final boolean initializationPhase){
+ LOG.debug("Notifying registered listeners for role change, no. of listeners {}", listeners.size());
+ for (final RoleChangeListener listener : listeners) {
+ listener.roleChangeOnDevice(nodeId, success, role, initializationPhase);
+ }
+ }
+
}
Code Review / openflowplugin.git / blobdiff