OpenDaylight Controller functional modules.

[controller.git] / opendaylight / protocol_plugins / openflow / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / internal / TopologyServices.java

diff --git a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServices.java b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServices.java
new file mode 100644 (file)
index 0000000..57a7b03
--- /dev/null
+++ b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/TopologyServices.java
@@ -0,0 +1,153 @@
+
+/*
+ * Copyright (c) 2013 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.controller.protocol_plugin.openflow.internal;
+
+import java.util.Dictionary;
+import java.util.Set;
+
+import org.apache.felix.dm.Component;
+import org.opendaylight.controller.protocol_plugin.openflow.IRefreshInternalProvider;
+import org.opendaylight.controller.protocol_plugin.openflow.ITopologyServiceShimListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.opendaylight.controller.sal.core.Edge;
+import org.opendaylight.controller.sal.core.Property;
+import org.opendaylight.controller.sal.core.UpdateType;
+import org.opendaylight.controller.sal.topology.IPluginInTopologyService;
+import org.opendaylight.controller.sal.topology.IPluginOutTopologyService;
+
+public class TopologyServices implements ITopologyServiceShimListener,
+        IPluginInTopologyService {
+    protected static final Logger logger = LoggerFactory
+            .getLogger(TopologyServices.class);
+    private IPluginOutTopologyService salTopoService = null;
+    private IRefreshInternalProvider topoRefreshService = null;
+    private String containerName;
+
+    /**
+     * Function called by the dependency manager when all the required
+     * dependencies are satisfied
+     *
+     */
+    @SuppressWarnings("unchecked")
+    void init(Component c) {
+        logger.debug("INIT called!");
+        Dictionary<Object, Object> props = c.getServiceProperties();
+        containerName = (props != null) ? (String) props.get("containerName")
+                : null;
+    }
+
+    /**
+     * Function called by the dependency manager when at least one
+     * dependency become unsatisfied or when the component is shutting
+     * down because for example bundle is being stopped.
+     *
+     */
+    void destroy() {
+        logger.debug("DESTROY called!");
+    }
+
+    /**
+     * Function called by dependency manager after "init ()" is called
+     * and after the services provided by the class are registered in
+     * the service registry
+     *
+     */
+    void start() {
+        logger.debug("START called!");
+    }
+
+    /**
+     * Function called by the dependency manager before the services
+     * exported by the component are unregistered, this will be
+     * followed by a "destroy ()" calls
+     *
+     */
+    void stop() {
+        logger.debug("STOP called!");
+    }
+
+    /**
+     * Retrieve SAL service IPluginOutTopologyService
+     *
+     * @param s Called by Dependency Manager as soon as the SAL
+     * service is available
+     */
+    public void setPluginOutTopologyService(IPluginOutTopologyService s) {
+        logger.debug("Setting IPluginOutTopologyService to:" + s);
+        this.salTopoService = s;
+    }
+
+    /**
+     * called when SAL service IPluginOutTopologyService is no longer available
+     *
+     * @param s Called by Dependency Manager as soon as the SAL
+     * service is unavailable
+     */
+    public void unsetPluginOutTopologyService(IPluginOutTopologyService s) {
+        if (this.salTopoService == s) {
+            logger.debug("UNSetting IPluginOutTopologyService from:" + s);
+            this.salTopoService = null;
+        }
+    }
+
+    /**
+     * Retrieve OF protocol_plugin service IRefreshInternalProvider
+     *
+     * @param s Called by Dependency Manager as soon as the SAL
+     * service is available
+     */
+    public void setRefreshInternalProvider(IRefreshInternalProvider s) {
+        logger.debug("Setting IRefreshInternalProvider to:" + s);
+        this.topoRefreshService = s;
+    }
+
+    /**
+     * called when OF protocol_plugin service IRefreshInternalProvider
+     * is no longer available
+     *
+     * @param s Called by Dependency Manager as soon as the SAL
+     * service is unavailable
+     */
+    public void unsetRefreshInternalProvider(IRefreshInternalProvider s) {
+        if (this.topoRefreshService == s) {
+            logger.debug("UNSetting IRefreshInternalProvider from:" + s);
+            this.topoRefreshService = null;
+        }
+    }
+
+    @Override
+    public void edgeUpdate(Edge edge, UpdateType type, Set<Property> props) {
+        if (this.salTopoService != null) {
+            this.salTopoService.edgeUpdate(edge, type, props);
+        }
+    }
+
+    @Override
+    public void sollicitRefresh() {
+        logger.debug("Got a request to refresh topology");
+        topoRefreshService.requestRefresh(containerName);
+    }
+
+    @Override
+    public void edgeOverUtilized(Edge edge) {
+        if (this.salTopoService != null) {
+            this.salTopoService.edgeOverUtilized(edge);
+        }
+    }
+
+    @Override
+    public void edgeUtilBackToNormal(Edge edge) {
+        if (this.salTopoService != null) {
+            this.salTopoService.edgeUtilBackToNormal(edge);
+        }
+    }
+}