*/
package org.opendaylight.openflowplugin.impl.role;
+import com.google.common.base.Function;
import com.google.common.base.Preconditions;
-
-import java.util.concurrent.Semaphore;
+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.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.lifecycle.LifecycleConductor;
import org.opendaylight.openflowplugin.api.openflow.role.RoleContext;
-import org.opendaylight.openflowplugin.impl.LifecycleConductorImpl;
+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);
- private 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);
-
- private final LifecycleConductor conductor;
-
- public RoleContextImpl(final NodeId nodeId, final EntityOwnershipService entityOwnershipService, final Entity entity, final Entity txEntity, final LifecycleConductor lifecycleConductor) {
- this.entityOwnershipService = entityOwnershipService;
- this.entity = entity;
- this.txEntity = txEntity;
- this.nodeId = nodeId;
- this.conductor = lifecycleConductor;
- }
-
- @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() {
- return new AbstractRequestContext<T>(conductor.reserveXidForDeviceMessage(nodeId)) {
+ return new AbstractRequestContext<T>(deviceInfo.reserveXidForDeviceMessage()) {
@Override
public void close() {
}
}
@Override
- public Entity getEntity() {
- return this.entity;
- }
-
- @Override
- public Entity getTxEntity() {
- return this.txEntity;
+ public CONTEXT_STATE getState() {
+ return this.state;
}
@Override
- public NodeId getNodeId() {
- return nodeId;
+ public void setState(CONTEXT_STATE state) {
+ this.state = state;
}
@Override
- public boolean isMainCandidateRegistered() {
- return entityOwnershipCandidateRegistration != null;
+ public ServiceGroupIdentifier getServiceIdentifier() {
+ return this.deviceInfo.getServiceIdentifier();
}
@Override
- public boolean isTxCandidateRegistered() {
- return txEntityOwnershipCandidateRegistration != null;
+ public DeviceInfo getDeviceInfo() {
+ return this.deviceInfo;
}
- @Override
- public boolean registerCandidate(final Entity entity_) {
- boolean permit = false;
- 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_);
+ public void startupClusterServices() throws ExecutionException, InterruptedException {
+ Futures.addCallback(sendRoleChangeToDevice(OfpRole.BECOMEMASTER), new FutureCallback<RpcResult<SetRoleOutput>>() {
+ @Override
+ public void onSuccess(@Nullable RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Role MASTER was successfully set on device, node {}", deviceInfo.getLOGValue());
}
- } else {
- return false;
}
- } catch (final CandidateAlreadyRegisteredException e) {
- LOG.warn("Candidate for entity {} is already registered.", entity_.getType());
- return false;
- } catch (final InterruptedException e) {
- LOG.warn("Cannot acquire semaphore for register entity {} candidate.", entity_.getType());
- return false;
- } finally {
- if (permit) {
- roleChangeGuard.release();
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.warn("Was not able to set MASTER role on device, node {}", deviceInfo.getLOGValue());
}
- }
- return true;
+ });
}
@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;
+ public ListenableFuture<Void> stopClusterServices(final boolean deviceDisconnected) {
+
+ if (!deviceDisconnected) {
+ ListenableFuture<Void> future = Futures.transform(makeDeviceSlave(), new Function<RpcResult<SetRoleOutput>, Void>() {
+ @Nullable
+ @Override
+ public Void apply(@Nullable RpcResult<SetRoleOutput> setRoleOutputRpcResult) {
+ return null;
+ }
+ });
+
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(@Nullable Void aVoid) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Role SLAVE was successfully propagated on device, node {}", deviceInfo.getLOGValue());
}
}
- } else {
- return false;
- }
- } catch (final InterruptedException e) {
- LOG.warn("Cannot acquire semaphore for unregister entity {} candidate.", entity_.getType());
- return false;
- } finally {
- if (permit) {
- roleChangeGuard.release();
- }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.warn("Was not able to set role SLAVE to device on node {} ", deviceInfo.getLOGValue());
+ LOG.trace("Error occurred on device role setting, probably connection loss: ", throwable);
+ myManager.removeDeviceFromOperationalDS(deviceInfo, MAX_CLEAN_DS_RETRIES);
+
+ }
+ });
+ return future;
+ } else {
+ return myManager.removeDeviceFromOperationalDS(deviceInfo, MAX_CLEAN_DS_RETRIES);
}
- return true;
}
@Override
- public void close() {
- unregisterAllCandidates();
+ public ListenableFuture<RpcResult<SetRoleOutput>> makeDeviceSlave(){
+ return sendRoleChangeToDevice(OfpRole.BECOMESLAVE);
}
- public boolean isMaster(){
- return (txEntityOwnershipCandidateRegistration != null && entityOwnershipCandidateRegistration != 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.getLOGValue());
+ setRoleOutputFuture.cancel(true);
+ }
+ };
+ hashedWheelTimer.newTimeout(timerTask, 10, TimeUnit.SECONDS);
+ }
+ return JdkFutureAdapters.listenInPoolThread(setRoleOutputFuture);
}
+
}
Code Review / openflowplugin.git / blobdiff