DeviceState changes
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / rpc / RpcManagerImpl.java
index 3031214d09f4b18503a50ae1030df7f418cab870..bab33a358fb162f9cfc314f81f745e6d8bbcab2a 100644 (file)
@@ -7,32 +7,41 @@
  */
 package org.opendaylight.openflowplugin.impl.rpc;
 
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Verify;
+import com.google.common.collect.Iterators;
+import java.util.Iterator;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcManager;
-import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
-import org.opendaylight.openflowplugin.impl.util.MdSalRegistratorUtils;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.OfpRole;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.concurrent.ConcurrentHashMap;
-
 public class RpcManagerImpl implements RpcManager {
 
     private static final Logger LOG = LoggerFactory.getLogger(RpcManagerImpl.class);
     private final RpcProviderRegistry rpcProviderRegistry;
     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
+    private DeviceTerminationPhaseHandler deviceTerminPhaseHandler;
     private final int maxRequestsQuota;
-    private final ConcurrentHashMap<DeviceContext, RpcContext> contexts = new ConcurrentHashMap<>();
+    private final ConcurrentMap<DeviceInfo, RpcContext> contexts = new ConcurrentHashMap<>();
+
+    private final LifecycleConductor conductor;
 
     public RpcManagerImpl(final RpcProviderRegistry rpcProviderRegistry,
-                          final int quotaValue) {
+                          final int quotaValue,
+                          final LifecycleConductor lifecycleConductor) {
         this.rpcProviderRegistry = rpcProviderRegistry;
         maxRequestsQuota = quotaValue;
+        this.conductor = lifecycleConductor;
     }
 
     @Override
@@ -41,57 +50,55 @@ public class RpcManagerImpl implements RpcManager {
     }
 
     @Override
-    public void onDeviceContextLevelUp(final DeviceContext deviceContext) {
-        NodeId nodeId = deviceContext.getDeviceState().getNodeId();
-        OfpRole ofpRole = deviceContext.getDeviceState().getRole();
+    public void onDeviceContextLevelUp(final DeviceInfo deviceInfo) throws Exception {
 
-        LOG.debug("Node:{}, deviceContext.getDeviceState().getRole():{}", nodeId, ofpRole);
-
-        RpcContext rpcContext = contexts.get(deviceContext);
-        if (rpcContext == null) {
-            rpcContext = new RpcContextImpl(deviceContext.getMessageSpy(), rpcProviderRegistry, deviceContext, maxRequestsQuota);
-            contexts.put(deviceContext, rpcContext);
-        }
+        final DeviceContext deviceContext = Preconditions.checkNotNull(conductor.getDeviceContext(deviceInfo));
 
+        final RpcContext rpcContext = new RpcContextImpl(
+                rpcProviderRegistry,
+                deviceContext,
+                deviceContext.getMessageSpy(),
+                maxRequestsQuota,
+                deviceInfo.getNodeInstanceIdentifier());
 
-        if (ofpRole == OfpRole.BECOMESLAVE) {
-            // if slave, we need to de-register rpcs if any have been registered, in case of master to slave
-            LOG.info("Unregistering RPC registration (if any) for slave role for node:{}", deviceContext.getDeviceState().getNodeId());
-            try {
-                MdSalRegistratorUtils.unregisterServices(rpcContext);
-            } catch (Exception e) {
-                LOG.error("Exception while unregistering rpcs for slave role for node:{}. But continuing.", nodeId, e);
-            }
-
-        } else {
-            LOG.info("Registering Openflow RPCs for node:{}, role:{}", nodeId, ofpRole);
-            MdSalRegistratorUtils.registerServices(rpcContext, deviceContext);
-        }
+        deviceContext.setRpcContext(rpcContext);
 
-        deviceContext.addDeviceContextClosedHandler(this);
+        Verify.verify(contexts.putIfAbsent(deviceInfo, rpcContext) == null, "RpcCtx still not closed for node {}", deviceInfo.getNodeId());
 
         // finish device initialization cycle back to DeviceManager
-        deviceInitPhaseHandler.onDeviceContextLevelUp(deviceContext);
+        deviceInitPhaseHandler.onDeviceContextLevelUp(deviceInfo);
     }
 
     @Override
-    public void close() throws Exception {
-
+    public void close() {
+        for (final Iterator<RpcContext> iterator = Iterators.consumingIterator(contexts.values().iterator());
+                iterator.hasNext();) {
+            iterator.next().close();
+        }
     }
 
-
     @Override
-    public void onDeviceContextClosed(DeviceContext deviceContext) {
-        RpcContext removedContext = contexts.remove(deviceContext);
+    public void onDeviceContextLevelDown(final DeviceInfo deviceInfo) {
+        final RpcContext removedContext = contexts.remove(deviceInfo);
         if (removedContext != null) {
-            try {
-                LOG.info("Unregistering rpcs for device context closure");
-                removedContext.close();
-            } catch (Exception e) {
-                LOG.error("Exception while unregistering rpcs onDeviceContextClosed handler for node:{}. But continuing.",
-                        deviceContext.getDeviceState().getNodeId(), e);
-            }
+            LOG.info("Unregister RPCs services for device context closure");
+            removedContext.close();
         }
+        deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
+    }
 
+    @Override
+    public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
+        this.deviceTerminPhaseHandler = handler;
+    }
+
+    /**
+     * This method is only for testing
+     */
+    @VisibleForTesting
+    void addRecordToContexts(DeviceInfo deviceInfo, RpcContext rpcContexts) {
+        if(!contexts.containsKey(deviceInfo)) {
+            this.contexts.put(deviceInfo,rpcContexts);
+        }
     }
 }