*/
package org.opendaylight.openflowplugin.impl.rpc;
-import com.google.common.util.concurrent.SettableFuture;
-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.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
+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 final List<RequestContext> synchronizedRequestsList = Collections.synchronizedList(new ArrayList<RequestContext>());
-
- private int maxRequestsPerDevice;
-
- public RpcContextImpl(final ProviderContext providerContext, final DeviceContext deviceContext) {
- this.providerContext = providerContext;
- this.deviceContext = deviceContext;
+ private final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier;
+ private final Collection<RoutedRpcRegistration<?>> rpcRegistrations = new HashSet<>();
+
+ 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);
}
/**
@Override
public <S extends RpcService> void registerRpcServiceImplementation(final Class<S> serviceClass,
final S serviceInstance) {
- rpcRegistrations.add(providerContext.addRoutedRpcImplementation(serviceClass, 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);
}
- @Override
- public <T extends DataObject> SettableFuture<RpcResult<T>> storeOrFail(RequestContext requestContext) {
- final SettableFuture<RpcResult<T>> rpcResultFuture = requestContext.getFuture();
-
- if (synchronizedRequestsList.size() < maxRequestsPerDevice) {
- synchronizedRequestsList.add(requestContext);
- } else {
- RpcResult rpcResult = RpcResultBuilder.failed().withError(RpcError.ErrorType.APPLICATION, "", "Device's request queue is full.").build();
- rpcResultFuture.set(rpcResult);
- }
- return rpcResultFuture;
- }
-
-
/**
* 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) {
- requestContexts.remove(requestContext);
- }
+ public <T> RequestContext<T> createRequestContext() {
+ if (!tracker.tryAcquire()) {
+ LOG.trace("Device queue {} at capacity", this);
+ return null;
+ }
- @Override
- public DeviceContext getDeviceContext() {
- return deviceContext;
+ 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);
+ }
+ };
}
@Override
- public <T extends DataObject> RequestContext createRequestContext() {
- return new RequestContextImpl<T>(this);
- }
-
- public boolean isRequestContextCapacityEmpty() {
- return requestContexts.size() <= maxRequestsPerDevice;
+ public void onDeviceDisconnected(final ConnectionContext connectionContext) {
+ for (RoutedRpcRegistration<?> registration : rpcRegistrations) {
+ registration.close();
+ }
}
-
}
Code Review / openflowplugin.git / blobdiff