Performacne improvements via adding a netty-based openflowj and openflow plugin;...

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

diff --git a/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/FlowProgrammerNotifier.java b/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/FlowProgrammerNotifier.java
new file mode 100644 (file)
index 0000000..2a62d6c
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+++ b/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/FlowProgrammerNotifier.java
@@ -0,0 +1,95 @@
+/*
+ * 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 org.apache.felix.dm.Component;
+import org.opendaylight.controller.protocol_plugin.openflow.IFlowProgrammerNotifier;
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.flowprogrammer.Flow;
+import org.opendaylight.controller.sal.flowprogrammer.IPluginOutFlowProgrammerService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Flow Programmer Notifier class for relaying asynchronous messages received
+ * from the network node to the listeners on the proper container
+ */
+public class FlowProgrammerNotifier implements IFlowProgrammerNotifier {
+    protected static final Logger logger = LoggerFactory
+            .getLogger(FlowProgrammerNotifier.class);
+    private IPluginOutFlowProgrammerService salNotifier;
+
+    public FlowProgrammerNotifier() {
+        salNotifier = null;
+    }
+
+    void init(Component c) {
+        logger.debug("INIT called!");
+    }
+
+    /**
+     * 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!");
+    }
+
+    public void setPluginOutFlowProgrammerService(
+            IPluginOutFlowProgrammerService s) {
+        this.salNotifier = s;
+    }
+
+    public void unsetPluginOutFlowProgrammerService(
+            IPluginOutFlowProgrammerService s) {
+        if (this.salNotifier == s) {
+            this.salNotifier = null;
+        }
+    }
+
+    @Override
+    public void flowRemoved(Node node, Flow flow) {
+        if (salNotifier != null) {
+            salNotifier.flowRemoved(node, flow);
+        } else {
+            logger.warn("Unable to relay switch message to upper layer");
+        }
+    }
+
+    @Override
+    public void flowErrorReported(Node node, long rid, Object err) {
+        if (salNotifier != null) {
+            salNotifier.flowErrorReported(node, rid, err);
+        } else {
+            logger.warn("Unable to relay switch error message to upper layer");
+        }
+    }
+
+}