/**
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
+ *
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowplugin.impl.rpc;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.Future;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.concurrent.Semaphore;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
-import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
-import org.opendaylight.yangtools.yang.binding.DataObject;
+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.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class RpcContextImpl implements RpcContext {
-
- final ProviderContext providerContext;
+ private static final Logger LOG = LoggerFactory.getLogger(RpcContextImpl.class);
+ private final RpcProviderRegistry rpcProviderRegistry;
+ private final MessageSpy messageSpy;
+ private final Semaphore tracker;
// TODO: add private Sal salBroker
- private final List<RequestContext> requestContexts = new ArrayList<>();
- private DeviceContext deviceContext;
- private final List<RoutedRpcRegistration> rpcRegistrations = new ArrayList<>();
-
- private int maxRequestsPerDevice;
+ private final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier;
+ private final Collection<RoutedRpcRegistration<?>> rpcRegistrations = new HashSet<>();
- public RpcContextImpl(final ProviderContext providerContext) {
- this.providerContext = providerContext;
+ public RpcContextImpl(final MessageSpy messageSpy, final RpcProviderRegistry rpcProviderRegistry, final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier, final int maxRequests) {
+ this.messageSpy = messageSpy;
+ this.rpcProviderRegistry = rpcProviderRegistry;
+ this.nodeInstanceIdentifier = nodeInstanceIdentifier;
+ tracker = new Semaphore(maxRequests, true);
}
/**
- *
* @see org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext#registerRpcServiceImplementation(java.lang.Class,
- * org.opendaylight.yangtools.yang.binding.RpcService)
+ * org.opendaylight.yangtools.yang.binding.RpcService)
*/
@Override
public <S extends RpcService> void registerRpcServiceImplementation(final Class<S> serviceClass,
- final S serviceInstance) {
- rpcRegistrations.add(providerContext.addRoutedRpcImplementation(serviceClass, serviceInstance));
- }
-
- @Override
- public Future<RpcResult<? extends DataObject>> addNewRequest(final DataObject data) {
- return null;
+ final S serviceInstance) {
+ final RoutedRpcRegistration<S> routedRpcReg = rpcProviderRegistry.addRoutedRpcImplementation(serviceClass, serviceInstance);
+ routedRpcReg.registerPath(NodeContext.class, nodeInstanceIdentifier);
+ rpcRegistrations.add(routedRpcReg);
+ LOG.debug("Registration of service {} for device {}.", serviceClass, nodeInstanceIdentifier);
}
/**
* Unregisters all services.
- *
+ *
* @see java.lang.AutoCloseable#close()
*/
@Override
- public void close() throws Exception {
- for (final RoutedRpcRegistration rpcRegistration : rpcRegistrations) {
+ public void close() {
+ for (final RoutedRpcRegistration<?> rpcRegistration : rpcRegistrations) {
+ rpcRegistration.unregisterPath(NodeContext.class, nodeInstanceIdentifier);
rpcRegistration.close();
}
}
- /**
- * @see org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext#setRequestContextQuota(int)
- */
@Override
- public void setRequestContextQuota(final int maxRequestsPerDevice) {
- this.maxRequestsPerDevice = maxRequestsPerDevice;
- }
-
- @Override
- public void forgetRequestContext(final RequestContext requestContext) {
+ public <T> RequestContext<T> createRequestContext() {
+ if (!tracker.tryAcquire()) {
+ LOG.trace("Device queue {} at capacity", this);
+ return null;
+ }
+ return new AbstractRequestContext<T>() {
+ @Override
+ public void close() {
+ tracker.release();
+ LOG.trace("Removed request context with xid {}", getXid().getValue());
+ messageSpy.spyMessage(RpcContextImpl.class, MessageSpy.STATISTIC_GROUP.REQUEST_STACK_FREED);
+ }
+ };
}
- public boolean isRequestContextCapacityEmpty() {
- return requestContexts.size() <= maxRequestsPerDevice;
+ @Override
+ public void onDeviceDisconnected(final ConnectionContext connectionContext) {
+ for (RoutedRpcRegistration<?> registration : rpcRegistrations) {
+ registration.close();
+ }
}
-
-
}
Code Review / openflowplugin.git / blobdiff