*/
package org.opendaylight.openflowplugin.impl.rpc;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
-import java.util.Collection;
-import java.util.HashSet;
+import com.google.common.collect.Iterators;
+import java.util.Iterator;
+import java.util.Map.Entry;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Semaphore;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
-import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
-import org.opendaylight.openflowplugin.api.openflow.rpc.ItemLifeCycleSource;
+import org.opendaylight.openflowplugin.api.openflow.device.XidSequencer;
import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeContext;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.RpcService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class RpcContextImpl implements RpcContext {
+class RpcContextImpl implements RpcContext {
private static final Logger LOG = LoggerFactory.getLogger(RpcContextImpl.class);
private final RpcProviderRegistry rpcProviderRegistry;
- private final DeviceContext deviceContext;
private final MessageSpy messageSpy;
private final Semaphore tracker;
+ private final XidSequencer xidSequencer;
+ private boolean isStatisticsRpcEnabled;
// TODO: add private Sal salBroker
- private final Collection<RoutedRpcRegistration<?>> rpcRegistrations = new HashSet<>();
+ private final ConcurrentMap<Class<?>, RoutedRpcRegistration<?>> rpcRegistrations = new ConcurrentHashMap<>();
+ private final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier;
+ private CONTEXT_STATE state;
+ private final DeviceInfo deviceInfo;
+
+ RpcContextImpl(final DeviceInfo deviceInfo,
+ final RpcProviderRegistry rpcProviderRegistry,
+ final XidSequencer xidSequencer,
+ final MessageSpy messageSpy,
+ final int maxRequests,
+ final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier) {
+ this.xidSequencer = Preconditions.checkNotNull(xidSequencer);
+ this.messageSpy = Preconditions.checkNotNull(messageSpy);
+ this.rpcProviderRegistry = Preconditions.checkNotNull(rpcProviderRegistry);
+ this.nodeInstanceIdentifier = nodeInstanceIdentifier;
- public RpcContextImpl(final MessageSpy messageSpy, final RpcProviderRegistry rpcProviderRegistry, final DeviceContext deviceContext, final int maxRequests) {
- this.messageSpy = messageSpy;
- this.rpcProviderRegistry = rpcProviderRegistry;
- this.deviceContext = Preconditions.checkNotNull(deviceContext);
tracker = new Semaphore(maxRequests, true);
+ setState(CONTEXT_STATE.WORKING);
+ this.deviceInfo = deviceInfo;
}
/**
@Override
public <S extends RpcService> void registerRpcServiceImplementation(final Class<S> serviceClass,
final S serviceInstance) {
- final RoutedRpcRegistration<S> routedRpcReg = rpcProviderRegistry.addRoutedRpcImplementation(serviceClass, serviceInstance);
- routedRpcReg.registerPath(NodeContext.class, deviceContext.getDeviceState().getNodeInstanceIdentifier());
- rpcRegistrations.add(routedRpcReg);
- LOG.debug("Registration of service {} for device {}.", serviceClass, deviceContext.getDeviceState().getNodeInstanceIdentifier());
-
- if (serviceInstance instanceof ItemLifeCycleSource) {
- // TODO: collect registration for selective unregistering in case of tearing down only one rpc
- deviceContext.getItemLifeCycleSourceRegistry().registerLifeCycleSource((ItemLifeCycleSource) serviceInstance);
+ LOG.trace("Try to register service {} for device {}.", serviceClass, nodeInstanceIdentifier);
+ if (! rpcRegistrations.containsKey(serviceClass)) {
+ final RoutedRpcRegistration<S> routedRpcReg = rpcProviderRegistry.addRoutedRpcImplementation(serviceClass, serviceInstance);
+ routedRpcReg.registerPath(NodeContext.class, nodeInstanceIdentifier);
+ rpcRegistrations.put(serviceClass, routedRpcReg);
+ LOG.debug("Registration of service {} for device {}.", serviceClass, nodeInstanceIdentifier);
}
}
+ @Override
+ public <S extends RpcService> S lookupRpcService(final Class<S> serviceClass) {
+ RoutedRpcRegistration<?> registration = rpcRegistrations.get(serviceClass);
+ final RpcService rpcService = registration.getInstance();
+ return (S) rpcService;
+ }
+
/**
* Unregisters all services.
*
*/
@Override
public void close() {
- for (final RoutedRpcRegistration<?> rpcRegistration : rpcRegistrations) {
- rpcRegistration.unregisterPath(NodeContext.class, deviceContext.getDeviceState().getNodeInstanceIdentifier());
- rpcRegistration.close();
+ if (CONTEXT_STATE.TERMINATION.equals(getState())){
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("RpcContext is already in TERMINATION state.");
+ }
+ } else {
+ setState(CONTEXT_STATE.TERMINATION);
+ for (final Iterator<Entry<Class<?>, RoutedRpcRegistration<?>>> iterator = Iterators
+ .consumingIterator(rpcRegistrations.entrySet().iterator()); iterator.hasNext(); ) {
+ final RoutedRpcRegistration<?> rpcRegistration = iterator.next().getValue();
+ rpcRegistration.unregisterPath(NodeContext.class, nodeInstanceIdentifier);
+ rpcRegistration.close();
+ LOG.debug("Closing RPC Registration of service {} for device {}.", rpcRegistration.getServiceType(),
+ nodeInstanceIdentifier);
+ }
}
}
if (!tracker.tryAcquire()) {
LOG.trace("Device queue {} at capacity", this);
return null;
+ } else {
+ LOG.trace("Acquired semaphore for {}, available permits:{} ", nodeInstanceIdentifier.getKey().getId(), tracker.availablePermits());
+ }
+
+ final Long xid = xidSequencer.reserveXidForDeviceMessage();
+ if (xid == null) {
+ LOG.warn("Xid cannot be reserved for new RequestContext, node:{}", nodeInstanceIdentifier.getKey().getId());
+ tracker.release();
+ return null;
}
- return new AbstractRequestContext<T>(deviceContext.getReservedXid()) {
+ return new AbstractRequestContext<T>(xid) {
@Override
public void close() {
tracker.release();
- LOG.trace("Removed request context with xid {}", getXid().getValue());
+ final long xid = getXid().getValue();
+ LOG.trace("Removed request context with xid {}", xid);
messageSpy.spyMessage(RpcContextImpl.class, MessageSpy.STATISTIC_GROUP.REQUEST_STACK_FREED);
}
};
}
@Override
- public void onDeviceContextClosed(DeviceContext deviceContext) {
- close();
+ public <S extends RpcService> void unregisterRpcServiceImplementation(final Class<S> serviceClass) {
+ LOG.trace("Try to unregister serviceClass {} for Node {}", serviceClass, nodeInstanceIdentifier.getKey().getId());
+ final RoutedRpcRegistration<?> rpcRegistration = rpcRegistrations.remove(serviceClass);
+ if (rpcRegistration != null) {
+ rpcRegistration.unregisterPath(NodeContext.class, nodeInstanceIdentifier);
+ rpcRegistration.close();
+ LOG.debug("Unregistration serviceClass {} for Node {}", serviceClass, nodeInstanceIdentifier.getKey().getId());
+ }
+ }
+
+ @VisibleForTesting
+ boolean isEmptyRpcRegistrations() {
+ return this.rpcRegistrations.isEmpty();
+ }
+
+ @Override
+ public void setStatisticsRpcEnabled(boolean isStatisticsRpcEnabled) {
+ this.isStatisticsRpcEnabled = isStatisticsRpcEnabled;
+ }
+
+ @Override
+ public boolean isStatisticsRpcEnabled() {
+ return isStatisticsRpcEnabled;
+ }
+
+ @Override
+ public CONTEXT_STATE getState() {
+ return this.state;
+ }
+
+ @Override
+ public void setState(CONTEXT_STATE state) {
+ this.state = state;
+ }
+
+ @Override
+ public ServiceGroupIdentifier getServiceIdentifier() {
+ return this.deviceInfo.getServiceIdentifier();
+ }
+
+ @Override
+ public DeviceInfo getDeviceInfo() {
+ return this.deviceInfo;
}
}
Code Review / openflowplugin.git / blobdiff